ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
ARCAM ALPHA 9/9P SERVICE MANUAL
Issue 1 Serial No. 001 - (Paul Newton July 96)
Circuit Description
Input/Output Selection
The Alpha 9 integrated amplifier has 6 line level
inputs and optional phono input selected by use of
the motorised ‘listen’ switch, SW201.
The use of the 'record' switch SW202 allows
recording of one source whilst listening to another.
The Processor/Tape 2 switch, SW207, allows tape
monitoring of a 3 head tape deck connected to the
Processor/Tape 2 sockets. It can also be used to
allow input signals to be routed to an external
surround decoder for processing before being
routed back to the Alpha 9.
Tone Control & Preamp Out/Power Amp In
The tone control stage on the Alpha 9 is based
around a dual op-amp Z2. The first half provides
a buffer stage for the tone controls and the second
one with its frequency dependent feedback is used
as the tone control itself.
The output of the tone control then passes through
the balance control RV201 and then onto the
power amp stages and the preamp out buffer
stage formed by Z203.
The tone controls and balance pot can be
bypassed by use of the 'direct' switch SW205.
The Alpha 9 can be driven from an external
preamplifier source by moving the internal switch
SW206 to disconnect the Alpha 9 preamp stages
from the power amp.
Power Amplifier
The signal from either the Alpha 9 input sockets or
an external preamp enters the power amp stage
via C12 and R35.
Q11, Q16 form a long, tailed pair driven by the
current source formed by Q18 and Q19.
Q6 is the Class A stage driving the quasi
complementary output stage of Q4, Q5, and
mosfet's Q1, 2.
The Alpha 9 and Alpha 9P utilize an auto bias
circuit to maintain the correct quiescent current
(IQ). The circuit works by monitoring the voltage
across the 0.22 ohm resistors R1, RA1 and
comparing it to a voltage derived from the - 44v rail
via R24. Both these voltage are fed into the inputs
of comparator Z3. If the voltage across the 0.22
ohm resistors increases the output of the
comparator goes high impedance and Q15 is
turned off. This causes capacitor C72 to discharge
and reduce the bias on the base of Q17 which
reduces the IQ. Conversely if the voltage across
the 0.22 ohm resistors is low then Q15 is turned on
more and C72 charges and increases the bias on
Q17 and so increases the IQ. Under signal
conditions a low frequency, variable mark/space
ratio, waveform can be seen on the collector of
transistor Q20 as the bias is being automatically
adjusted.
Z1 is a d.c. servo used to maintain a low d.c. offset
at the speaker outputs.
Power Supplies
The Alpha 9/9P is powered by a toroidal
transformer with 2 sets of secondary windings.
The main windings are used to provide +/-44V
D.C. after rectification and smoothing by diodes
D201-204 inc. reservoir capacitors C201, 202.
The second winding is rectified to provide an
unregulated supply voltage for the motor driver ics,
Z402 (for the volume control) & Z403 (for the listen
selector).This unregulated supply is also smoothed
and regulated with a simple stabilizer circuit (zener
diode D402 and associated components) to
provide a stable voltage for the micro controller
Z401.
Protection/ Mute circuit
The protection and mute functions are carried out
by Z501. This performs turn on delay, d.c. offset
detection and thermal cutout. It also displays the
status of the amplifier with the use of a bicolour
LED - 'Green' for ready and 'Amber' for when the
speakers are disconnected internally because of a
fault condition or on initial power up whilst the 5
second switch on delay mute is operating.
If the unit suffers a current overload the protection
circuit may latch and the unit will not reset until it
has been switched off and on again. If the
protection is activated by a thermal problem the
unit will begin to operate again when it has cooled
down.
The thermal cut out operating point is set by the
thermistor TH501, mounted close to the output
device heatsinks.
Disc Stage (optional)
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
The optional phono stage board available for the
Alpha 9 provides amplification and RIAA
equalization for both moving coil (MC) and moving
magnet (MM) cartridges.
Transistors Q2-5 and their associated components
provide the extra gain required for moving coil
cartridges when required Z1 forms a flat response
gain stage with the gain set by R3 and R4. R5 and
C2 provide a low pass filter used as the high
frequency part of the RIAA de-emphasis. The
negative feedback loop around IC2, R7, 8, 9, 10
and C3 provides the active low frequency RIAA de-
emphasis.
The pcb mounted switch selects between MM or MC.
The board is powered by +/- 15V regulated rails from
the main pcb and the +15V rail is then regulated to
6.3V by Q1 and D1, D2 to power the moving coil
stage.
Disassembly For Servicing
1.
Remove the top cover and front panel.
2.
Remove 2 screws securing the sub front to the
chassis sides and 3 screws holding the
subfront to the chassis base.
3.
Remove 3 screws holding the pcb to the
chassis. These can be found close to the large
heatsink and also near to the mains inlet
socket.
4.
Remove 5 screws from the rear panel, one at
each end and 3 along the bottom edge.
5.
Remove the transformer bolt.
The pcb, with the rear panel, transformer and
subfront attached, can now be pulled backwards out
of the unit.
TEST POINT
DC VOLTAGE
TP1
+ 5V
TP2
+9.6V
TP3
0V MUTE ON +2V MUTE OFF
TP4
0V VOL UP +5V VOL DOWN
TP5
+5V VOL UP 0V VOL DOWN
TP6
+15V
TP7
-15V
TP8
+44V
TP9
-44V
TEST POINT
DC VOLTAGE
TP10
0.5V
TP11
0.5V
TP12
-2V
TP13
-2V
TP14
+2.2V
TP15
+2.2V
TP16
+6.8V
TP17
0V MUTE ON +2V MUTE OFF
The IQ voltage measured across the 0.22 ohm
resistors R1, RA1 or R101, RA101should be about 6-
7 mV.
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
Alpha 9 Integrated Amplifier Parts List
Ref. No.
Description
Part No.
C1
ELST 100U 25V
2N710
C2
PEST 47N 63V 5%
2K347
C3
ELST 100U 100V
2N710B
C4
PCRB 100N 100V 5% RA 5mm
2H410
C5
PPRO 680P 5% 63V RA
2D168
C6
PSTY 56P 160V ENCAP 1PF%
2F056
C7
ELST 10U 50V
2N610
C8
ELST 100U 25V
2N710
C9
PEST 15N 63V 5%
2K315
C10
PEST 15N 63V 5%
2K315
C11
PPRO 220P 5% 63V RA
2D122
C12
ELST NON POLAR 10UF 35V
2U610
C13N
PPRO 220P 5% 63V RA
2D122
C14N
PPRO 220P 5% 63V RA
2D122
C15N
ELST 10U 50V
2N610
C16N
PCRB 100N 100V 5% RA 5mm
2H410
C17N
PCRB 100N 100V 5% RA 5mm
2H410
C18N
PPRO 100P 63V 5% RA
2D110N
C19N
PPRO 100P 63V 5% RA
2D110N
C20
PEST 15N 63V 5%
2K315
C21N
ELST 10U 50V
2N610
C22
PCRB 100N 100V 5% RA 5mm
2H410
C23
PCRB 100N 100V 5% RA 5mm
2H410
C25N
PPRO 2N2 5% 63V RA
2D222
C26N
ELST 10U 50V
2N610
C71
ELST 10U 50V
2N610
C72
ELST 100U 25V
2N710
C101
ELST 100U 25V
2N710
C102
PEST 47N 63V 5%
2K347
C103
ELST 100U 100V
2N710B
C104
PCRB 100N 100V 5% RA 5mm
2H410
C105
PPRO 680P 5% 63V RA
2D168
Alpha 9 Integrated Amplifier Parts List
Ref. No.
Description
Part No.
C106
PSTY 56P 160V ENCAP 1PF%
2F056
C107
ELST 10U 50V
2N610
C108
ELST 100U 25V
2N710
C109
PEST 15N 63V 5%
2K315
C110
PEST 15N 63V 5%
2K315
C111
PPRO 220P 5% 63V RA
2D122
C112
ELST NON POLAR 10UF 35V
2U610
C113N
PPRO 220P 5% 63V RA
2D122
C114N
PPRO 220P 5% 63V RA
2D122
C115N
ELST 10U 50V
2N610
C116N
PCRB 100N 100V 5% RA 5mm
2H410
C117N
PCRB 100N 100V 5% RA 5mm
2H410
C118N
PPRO 100P 63V 5% RA
2D110N
C119N
PPRO 100P 63V 5% RA
2D110N
C120
PEST 15N 63V 5%
2K315
C121N
ELST 10U 50V
2N610
C122
PCRB 100N 100V 5% RA 5mm
2H410
C123
PCRB 100N 100V 5% RA 5mm
2H410
C125N
PPRO 2N2 5% 63V RA
2D222
C126N
ELST 10U 50V
2N610
C172
ELST 100U 25V
2N710
C173
ELST 100U 25V
2N710
C201
ELST 10m 50V RA 32mm
2N910
C202
ELST 10m 50V RA 32mm
2N910
C205
PPRO 4N7 63V 5% RA
2D247N
C206
PPRO 4N7 63V 5% RA
2D247N
C207
ELST 10U 50V
2N610
C208
ELST 10U 50V
2N610
C209
ELST 10U 50V
2N610
C210
ELST 10U 50V
2N610
C301N
CERD 1N0 63V 20% RA
2A210
C401N
ELST 1M0 25V
2N810
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
C402N
CERD 10N 63V 20% RA
2A310
C403N
ELST 1M0 25V
2N810
C404
CERD 10N 63V 20% RA
2A310
C405N
CERD 10N 63V 20% RA
2A310
C406N
CERD 10N 63V 20% RA
2A310
C407N
CERD 10N 63V 20% RA
2A310
C408N
CERD 10N 63V 20% RA
2A310
C409N
CERD 10N 63V 20% RA
2A310
C410N
ELST 10U 50V
2N610
C411N
ELST 1U0 50V 20% RA
2N510
C501
ELST 100U 25V
2N710
C502
ELST 1U0 50V 20% RA
2N510
C503
ELST 100U 25V
2N710
C504
ELST 1U0 50V 20% RA
2N510
C505
SUPPR CAP 4N7 250V
2K247
C506
CERD 10N 63V 20% RA
2A310
C507
CERD 1N0 63V 20% RA
2A210
C508
CERD 1N0 63V 20% RA
2A210
C509
CERD 1N0 63V 20% RA
2A210
C510
CERD 1N0 63V 20% RA
2A210
C511
CERD 1N0 63V 20% RA
2A210
C512
CERD 1N0 63V 20% RA
2A210
C601N
PPRO 220P 5% 63V RA
2D122
C602N
PEST 15N 63V 5%
2K315
C603N
CERD 10N 63V 20% RA
2A310
D1
ZENER 10V 400MW
3C11004
D2
RECTIFIER 1N4003F 1A 200V
3B4003
D3
ZENER 10V 400MW
3C11004
D4
ZENER 10V 400MW
3C11004
D5
ZENER 5V6 400MW
3C05604
D6
ZENER 22V 400MW
3C22004
D101
ZENER 10V 400MW
3C11004
D102
RECTIFIER 1N4003F 1A 200V
3B4003
D103
ZENER 10V 400MW
3C11004
D104
ZENER 10V 400MW
3C11004
D106
ZENER 22V 400MW
3C22004
D201
RECTIFIER MUR420 4A 220V
3B420
D202
RECTIFIER MUR420 4A 220V
3B420
D203
RECTIFIER MUR420 4A 220V
3B420
D204
RECTIFIER MUR420 4A 220V
3B420
D401N
RECTIFIER 1N4003F 1A 200V
3B4003
D402N
ZENER 5V6 400MW
3C05604
D403N
RECTIFIER 1N4003F 1A 200V
3B4003
D404N
ZENER 5V6 400MW
3C05604
D405N
ZENER 5V6 400MW
3C05604
D406N
SSDIODE 1N4148 75V
3A4148
D407N
RECTIFIER 1N4003F 1A 200V
3B4003
D408N
ZENER 5V6 400MW
3C05604
D501
RECTIFIER 1N4003F 1A 200V
3B4003
D502
RECTIFIER 1N4003F 1A 200V
3B4003
D503
RECTIFIER 1N4003F 1A 200V
3B4003
D504
RECTIFIER 1N4003F 1A 200V
3B4003
D505N
RECTIFIER 1N4003F 1A 200V
3B4003
D602
ZENER 5V6 400MW
3C05604
F501
INS COVER PCB FUSEHOLDER
F022
F501
FUSEHOLDER 20mm PCB
8S004
F501
SPARE FUSE 20mm 1.6A AS
C12166
FS502
INS COVER PCB FUSEHOLDER
F022
FS502
FUSEHOLDER 20mm PCB
8S004
HS1
ALPHA9 & AV50 HEATSINK
E801HK
HS201
HEATSINK TO220 13 DEGC/W
F005
HS201
HEATSINK CLIP TO220 13/8.6 DC/W
F006
HS202
HEATSINK TO220 CLIP 23DEG/W
F004
KP1
KWIKSTIK PAD S/A 25 X 12mm
F157S
KP2
KWIKSTIK PAD S/A 25 X 12mm
F157S
L1
INDUCT 2U2 15x25mm AD2018
7D002A
L101
INDUCT 2U2 15x25mm AD2018
7D002A
LED601
LED RED/GREEN 5MM
3D002
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
LK401N
JUMPER 3 WAY x 125mm
L815CA
LK501N
LINK BANDOL PREFORM 10mm
1X010A
LK601
JUMPER 3 WAY x 125mm
L815CA
MI
MAINS SWITCH SD33P INSULATOR
E00301
MS
MAINS SWITCH SPACER
E66901
PL1N
2WAY MOLEX VERT MALE CONNECTOR
8K6201
Q1
TRANS POWER MOSFET IRPF240
4K240
Q2
TRANS POWER MOSFET IRPF240
4K240
Q3
TRANS LF SS P 2SA1085
4A1085
Q4
TRANS LF SS N 2SC2547
4A2546
Q5
TRANS LF SS P 2SA1085
4A1085
Q6
TRANS LF SS P BC556B
4A556
Q7
TRANS LF SS N BC546B
4A546
Q8
TRANS LF SS P BC556B
4A556
Q9
TRANS LF SS N BC546B
4A546
Q10
TRANS LF SS P BC557B
4A557
Q11
TRANS LF SS N BC547B
4A547
Q12
TRANS LF SS N 2SC2547
4A2546
Q13
TRANS LF SS P BC557B
4A557
Q14
TRANS LF SS N 2SC2547
4A2546
Q15
TRANS LF SS P BC557B
4A557
Q16
TRANS LF SS N BC547B
4A547
Q17
TRANS LF SS N BC547B
4A547
Q18
TRANS LF SS N BC547B
4A547
Q19
TRANS LF SS N BC547B
4A547
Q20
TRANS LF SS N BC547B
4A547
Q101
TRANS POWER MOSFET IRPF240
4K240
Q102
TRANS POWER MOSFET IRPF240
4K240
Q103
TRANS LF SS P 2SA1085
4A1085
Q104
TRANS LF SS N 2SC2547
4A2546
Q105
TRANS LF SS P 2SA1085
4A1085
Q106
TRANS LF SS P BC556B
4A556
Q107
TRANS LF SS N BC546B
4A546
Q108
TRANS LF SS P BC556B
4A556
Q109
TRANS LF SS N BC546B
4A546
Q110
TRANS LF SS P BC557B
4A557
Q111
TRANS LF SS N BC547B
4A547
Q112
TRANS LF SS N 2SC2547
4A2546
Q113
TRANS LF SS P BC557B
4A557
Q114
TRANS LF SS N 2SC2547
4A2546
Q115
TRANS LF SS P BC557B
4A557
Q116
TRANS LF SS N BC547B
4A547
Q117
TRANS LF SS N BC547B
4A547
Q118
TRANS LF SS N BC547B
4A547
Q119
TRANS LF SS N BC547B
4A547
Q120
TRANS LF SS N BC547B
4A547
Q121
TRANS LF SS P 2SA1085
4A1085
Q401N
TRANS LF SS N BC547B
4A547
Q402N
TRANS LF SS P BC557B
4A557
Q403N
TRANS LF SS P BC557B
4A557
Q502
TRANS LF SS N 2SC2547
4A2546
R1
RES MO 3W 5% 0R22 KOASPR3
1Q922
R2
RES CF 1W 1R5 5%
1E815
R3
RES CF 1W 5R6 5%
1E856
R4
RES MF FU W3 100R 5% NFR25
1G110
R5
RES MF W4 470R 1%
1H147
R6
RES MF FU W3 100R 5% NFR25
1G110
R7
RES MF W4 470R 1%
1H147
R8
RES MF FU W3 100R 5% NFR25
1G110
R9
RES MF W4 1K0 1%
1H210
R10
RES MF W4 1K0 1%
1H210
R11
RES MF FU W3 220R 5% NFR25
1G122
R12
RES MF FU W3 220R 5% NFR25
1G122
R13
RES MF FU W3 470R 5% NFR25
1G147
R14
RES MF FU W3 470R 5% NFR25
1G147
R15
RES MF W4 1K0 1%
1H210
R16
RES MF W4 18K 1%
1H318
R17
RES MF W4 5K6 1%
1H256
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
R18
RES MF W4 2K7 1%
1H227
R19
RES MF W4 2K7 1%
1H227
R20
RES MF W4 4K7 1%
1H247
R21
RES MF W4 330R 1%
1H133
R22
RES MF W4 2K7 1%
1H227
R23
RES MF W4 100R 1%
1H110
R24
RES MF W4 220K 1%
1H422
R25
RES MF W4 18K 1%
1H318
R26
RES MF W4 2K7 1%
1H227
R27
RES MF W4 5K6 1%
1H256
R28
RES MF FU W3 10R 5% NFR25
1G010
R29
RES MF FU W3 470R 5% NFR25
1G147
R30
RES MF W4 100K 1%
1H410
R31
RES MF W4 120K 1%
1H412
R32
RES MF W4 47K 1%
1H347
R33
RES MF W4 470K 1%
1H447
R34
RES MF W4 47K 1%
1H347
R35
RES MF W4 2K7 1%
1H227
R36N
RES MF W4 5K6 1%
1H256
R37N
RES MF W4 6K8 1%
1H268
R38N
RES MF W4 6K8 1%
1H268
R39N
RES MF W4 12K 1%
1H312
R40N
RES MF W4 6K8 1%
1H268
R41N
RES MF W4 10K 1%
1H310
R42N
RES MF W4 12K 1%
1H312
R43N
RES MF W4 470R 1%
1H147
R46N
RES MF W4 100K 1%
1H410
R47N
RES MF W4 4K7 1%
1H247
R48N
RES MF W4 4K7 1%
1H247
R49N
RES MF W4 1K8 1%
1H218
R50N
RES MF W4 6K8 1%
1H268
R51N
RES MF W4 100R 1%
1H110
R52
RES MF W4 6K8 1%
1H268
R53
RES MF W4 2K2 1%
1H222
R54N
RES MF W4 1K8 1%
1H218
R55N
RES MF W4 1K0 1%
1H210
R56
RES MF W4 56R 1%
1H056
R57N
RES MF W4 100K 1%
1H410
R58
RES MF W4 330R 1%
1H133
R59
RES MF W4 27K 1%
1H327
R60
RES MF W4 1K0 1%
1H210
R61
RES MF W4 33K 1%
1H333
R62N
RES MF W4 820R 1%
1H182
R71
RES MF W4 15K 1%
1H315
R72
RES MF W4 15K 1%
1H315
R73
RES MF W4 15K 1%
1H315
R74
RES MF W4 15K 1%
1H315
R75
RES MF W4 10K 1%
1H310
R76
RES MF W4 12K 1%
1H312
R77
RES MF W4 220K 1%
1H422
R78
RES MF W4 120K 1%
1H412
R79
RES MF W4 33K 1%
1H333
R80
RES MF W4 1K5 1%
1H215
R81
RES MF W4 2K2 1%
1H222
R82
RES MF W4 100R 1%
1H110
R83
RES MF W4 4K7 1%
1H247
R84
RES MF W4 18K 1%
1H318
R101
RES MO 3W 5% 0R22 KOASPR3
1Q922
R102
RES CF 1W 1R5 5%
1E815
R103
RES CF 1W 5R6 5%
1E856
R104
RES MF FU W3 100R 5% NFR25
1G110
R105
RES MF W4 470R 1%
1H147
R106
RES MF FU W3 100R 5% NFR25
1G110
R107
RES MF W4 470R 1%
1H147
R108
RES MF FU W3 100R 5% NFR25
1G110
R109
RES MF W4 1K0 1%
1H210
R110
RES MF W4 1K0 1%
1H210
R111
RES MF FU W3 220R 5% NFR25
1G122
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
R112
RES MF FU W3 220R 5% NFR25
1G122
R113
RES MF FU W3 470R 5% NFR25
1G147
R114
RES MF FU W3 470R 5% NFR25
1G147
R115
RES MF W4 1K0 1%
1H210
R116
RES MF W4 18K 1%
1H318
R117
RES MF W4 5K6 1%
1H256
R118
RES MF W4 2K7 1%
1H227
R119
RES MF W4 2K7 1%
1H227
R120
RES MF W4 4K7 1%
1H247
R121
RES MF W4 330R 1%
1H133
R122
RES MF W4 2K7 1%
1H227
R123
RES MF W4 100R 1%
1H110
R124
RES MF W4 220R 1%
1H122
R125
RES MF W4 18K 1%
1H318
R126
RES MF W4 2K7 1%
1H227
R127
RES MF W4 5K6 1%
1H256
R128
RES MF FU W3 10R 5% NFR25
1G010
R129
RES MF FU W3 470R 5% NFR25
1G147
R130
RES MF W4 100K 1%
1H410
R131
RES MF W4 120K 1%
1H412
R132
RES MF W4 47K 1%
1H347
R133
RES MF W4 470K 1%
1H447
R134
RES MF W4 47K 1%
1H347
R135
RES MF W4 2K7 1%
1H227
R136N
RES MF W4 5K6 1%
1H256
R137N
RES MF W4 6K8 1%
1H268
R138N
RES MF W4 6K8 1%
1H268
R139N
RES MF W4 12K 1%
1H312
R140N
RES MF W4 6K8 1%
1H268
R141N
RES MF W4 10K 1%
1H310
R142N
RES MF W4 12K 1%
1H312
R143N
RES MF W4 470R 1%
1H147
R146N
RES MF W4 100K 1%
1H410
R147N
RES MF W4 4K7 1%
1H247
R148N
RES MF W4 4K7 1%
1H247
R149N
RES MF W4 1K8 1%
1H218
R150N
RES MF W4 6K8 1%
1H268
R151N
RES MF W4 100R 1%
1H110
R152
RES MF W4 6K8 1%
1H268
R153
RES MF W4 2K2 1%
1H222
R154N
RES MF W4 1K8 1%
1H218
R155N
RES MF W4 1K0 1%
1H210
R156
RES MF W4 56R 1%
1H056
R157N
RES MF W4 100K 1%
1H410
R158
RES MF W4 330R 1%
1H133
R159
RES MF W4 27K 1%
1H327
R160
RES MF W4 1K0 1%
1H210
R161
RES MF W4 33K 1%
1H333
R162N
RES MF W4 820R 1%
1H182
R173
RES MF W4 15K 1%
1H315
R174
RES MF W4 15K 1%
1H315
R175
RES MF W4 10K 1%
1H310
R176
RES MF W4 12K 1%
1H312
R177
RES MF W4 220K 1%
1H422
R178
RES MF W4 120K 1%
1H412
R179
RES MF W4 33K 1%
1H333
R180
RES MF W4 1K5 1%
1H215
R181
RES MF W4 2K2 1%
1H222
R182
RES MF W4 100R 1%
1H110
R183
RES MF W4 4K7 1%
1H247
R184
RES MF W4 18K 1%
1H318
R185
RES MF W4 47K 1%
1H347
R201
RES MF W4 2K4 1%
1H224
R202
RES MF W4 220R 1%
1H122
R203
RES MF W4 2K4 1%
1H224
R204
RES MF W4 220R 1%
1H122
R205
RES MF FU W3 10R 5% NFR25
1G010
R206
RES MF FU W3 10R 5% NFR25
1G010
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
R207
RES MF FU W3 10R 5% NFR25
1G010
R401N
RES MF FU W3 10R 5% NFR25
1G010
R402N
RES MF W4 1K0 1%
1H210
R403N
RES MF W4 1K0 1%
1H210
R404
RES MF FU W3 1R0 5% NFR25
1G810
R405N
RES MF W4 1K0 1%
1H210
R406N
RES MF W4 4K7 1%
1H247
R407N
RES MF W4 4K7 1%
1H247
R408N
RES MF W4 470R 1%
1H147
R410N
RES CF 1W 2K7 5%
1E227
R501
RES MF W4 47K 1%
1H347
R502
RES MF W4 47K 1%
1H347
R503
RES MF W4 100R 1%
1H110
R504
RES MF W4 47K 1%
1H347
R505
RES MF W4 47K 1%
1H347
R506
RES MF W4 100K 1%
1H410
R507
RES MF W4 18K 1%
1H318
R508
RES MF W4 47K 1%
1H347
R509
RES MF W4 47K 1%
1H347
R510
RES MF W4 100K 1%
1H410
R511
RES MF W4 18K 1%
1H318
R512
RES MF W4 18K 1%
1H318
R513
RES MF W4 33K 1%
1H333
R514
RES MF W4 47K 1%
1H347
R515
RES CF 1W 1K0 5%
1E210
R516
RES CF 1W 1K0 5%
1E210
R517
RES CF 1W 2K7 5%
1E227
R518
RES CF 1W 2K7 5%
1E227
R519
RES CF 1W 330R 5%
1E133
R520
RES CF 1W 330R 5%
1E133
R521N
RES CF 1W 2K7 5%
1E227
R524
RES MF W4 18K 1%
1H318
R525
RES CF W2 100R 5%
1D110
R526
RES CF W2 100R 5%
1D110
R527
RES MF W4 10R 1%
1H010
R601N
RES MF W4 22R 1%
1H022
R602N
RES MF W4 22R 1%
1H022
R603N
RES MF W4 6K8 1%
1H268
R604N
RES MF W4 2K2 1%
1H222
R605N
RES MF W4 6K8 1%
1H268
R606N
RES MF W4 2K2 1%
1H222
RA1
RES MO 3W 5% 0R22 KOASPR3
1Q922
RA101
RES MO 3W 5% 0R22 KOASPR3
1Q922
RLY401N
RELAY 960 OHM 51SB12T
A205
RLY501
RELAY G5Z-2A-E 24V
A207
RLY502
RELAY G5Z-2A-E 24V
A207
RLY503N
RELAY 960 OHM 51SB12T
A205
RP401N
RES NETWORK 100Kx8 COMMON
1V410
RV201N
POT 20KA* 2 LIN A
6A320E
RV202N
POT 20KA* 2 LIN A
6A320E
RV203N
POT 20KA* 2 LIN A
6A320E
RV601N
POT 20KA* 2 LOG A MOTORISED
6A330M
RX1N
REMOTE CONTROL RECEIVER SBX1610-62 38KHZ
B2103
SK501
BINDING POST 4WAY GOLD LTS04102002G
8D416
SK502
BINDING POST 4WAY GOLD LTS04102002G
8D416
SK201N
PRESSACTL 8-WAY MALE VERT
8K5181
SK301N
PHONO SKT 4-WAY EMC GOLD
8D225
SK302N
PHONO SKT 4-WAY EMC GOLD
8D225
SK303N
PHONO SKT 4-WAY EMC GOLD
8D225
SK304N
PHONO SKT 4-WAY EMC GOLD
8D225
SK305
PHONO SKT 4-WAY EMC GOLD
8D225
SK503
IEC MAINS CONN PCB INS PX
8A001
SK504
STEREO JACK PCB
8D301
SK601N
JUMPER 2 W LEAD APL5
1Y271
SK602N
JUMPER 8-WAY LEAD
L809CA
SPRFS
SPARE FUSEHOLDER
F062
SPRFS
SPARE FUSE 20mm 1.6A AS
C12166
SW201N
SWITCH ROTARY 6W MOTOR
A1207
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
SW202N
SW ROTARY 6W 4 POLE
A1210
SW205N
SW PUSH 2PCO
A1008
SW206N
2PC SLIDER SW MSS2200
A1401
SW207N
SW PUSH 4PCO
A1013
SW402N
2PC R/A SLIDE SW
A1402
SW501
SW PUSH 2PCO
A1008
SW502
SW PUSH 2PCO
A1008
SW503
SWITCH PUSH MAINS OPST SDS3P
A1006
TC1
TRANSFORMER CLAMP
E00201
TC2
TRANSFORMER CLAMP
E00201
TH501
THERMISTOR SIEMENS B59008
1T002
TX1
ALPHA9 MULTI VOLTAGE TRANSFORMER
L817TX
X401N
CER RESON CST4.19MG 4.19MHz
7W002
Y2
TX WIRE RESTRAINT
F185
Y3
TX WIRE RESTRAINT
F185
Y20
COPPER RIVET
HP007
Y21
COPPER RIVET
HP007
Z1
IC AUDIO NE5534N
5A5534
Z2N
IC AUDIO DUAL JRC4560
5B4560
Z3
IC COMPARITOR DUAL LM393A
5M393A
Z101
IC AUDIO NE5534N
5A5534
Z102N
IC AUDIO DUAL JRC4560
5B4560
Z201
IC VREG POS LM317T
5D317T
Z202
IC VREG POS LM337T
5D337
Z203N
IC AUDIO DUAL TL072
5B072
Z401N
IC SOCKET 18 PIN 0.3''
8S018
Z401N
IC CMOS MICRO PIC16C54XT/P
5H16C54X
Z402N
MOTOR DRIVER 5Q6109
5Q6109
Z403N
MOTOR DRIVER 5Q6109
5Q6109
Z501
IC COMPARITOR TA7317P
5M7317
Alpha 9 Amplifier Non PCB Parts, Metalwork etc.
Part No.
Description
B3002
AA BATTERY FOR REMOTE CONTROL
E66801
REAR PHONO INPUT BLANKING PLATE
E802CH
CHASSIS
E802MI
PCB INSULATOR
E803SP
ALPHA 9/9P AMP SUBPANEL
E804AP
FELT RING
E804CP
ALPHA 9/9P COVERPLATE
E808RP
REAR PANEL
E813FP
ALPHA 9 FASCIA
E815PM
POWER BUTTON
E818PM
VOLUME KNOB
E819PM
BALANCE/TREBLE/BASS KNOB
E820PM
LISTEN KNOB
E822PM
FOOT
E825PM
ALPHA 9 BADGE
E901HK
HEATSINK ANODISED
F037
TOROIDIAL TRANSFORMER CLAMP
F038
RUBBER WASHER FOR ABOVE
HA6K55A
TRANSFORMER BOLT
L802RC
HANDI REMOTE CONTROL
SH053
OWNERS HANDBOOK
SH058
WARRANTY LEAFLET
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
Alpha 9P Power Amplifier Parts List
Ref. No.
Description
Part No.
C1
ELST 100U 25V
2N710
C2
PEST 47N 63V 5%
2K347
C3
ELST 100U 100V
2N710B
C4
PCRB 100N 100V 5% RA 5mm
2H410
C5
PPRO 680P 5% 63V RA
2D168
C6
PSTY 56P 160V ENCAP 1PF%
2F056
C7
ELST 10U 50V
2N610
C8
ELST 100U 25V
2N710
C9
PEST 15N 63V 5%
2K315
C10
PEST 15N 63V 5%
2K315
C11
PPRO 220P 5% 63V RA
2D122
C12
ELST NON POLAR 10UF 35V
2U610
C20
PEST 15N 63V 5%
2K315
C22
PCRB 100N 100V 5% RA 5mm
2H410
C23
PCRB 100N 100V 5% RA 5mm
2H410
C71
ELST 10U 50V
2N610
C72
ELST 100U 25V
2N710
C101
ELST 100U 25V
2N710
C102
PEST 47N 63V 5%
2K347
C103
ELST 100U 100V
2N710B
C104
PCRB 100N 100V 5% RA 5mm
2H410
C105
PPRO 680P 5% 63V RA
2D168
C106
PSTY 56P 160V ENCAP 1PF%
2F056
C107
ELST 10U 50V
2N610
C108
ELST 100U 25V
2N710
C109
PEST 15N 63V 5%
2K315
C110
PEST 15N 63V 5%
2K315
C111
PPRO 220P 5% 63V RA
2D122
C112
ELST NON POLAR 10UF 35V
2U610
C120
PEST 15N 63V 5%
2K315
C122
PCRB 100N 100V 5% RA 5mm
2H410
C123
PCRB 100N 100V 5% RA 5mm
2H410
Alpha 9P Power Amplifier Parts List
Ref. No.
Description
Part No.
C172
ELST 100U 25V
2N710
C173
ELST 100U 25V
2N710
C201
ELST 10m 50V RA 32mm
2N910
C202
ELST 10m 50V RA 32mm
2N910
C205
PPRO 4N7 63V 5% RA
2D247N
C206
PPRO 4N7 63V 5% RA
2D247N
C207
ELST 10U 50V
2N610
C208
ELST 10U 50V
2N610
C209
ELST 10U 50V
2N610
C210
ELST 10U 50V
2N610
C404
CERD 10N 63V 20% RA
2A310
C501
ELST 100U 25V
2N710
C502
ELST 1U0 50V 20% RA
2N510
C503
ELST 100U 25V
2N710
C504
ELST 1U0 50V 20% RA
2N510
C505
SUPPR CAP 4N7 250V
2K247
C506
CERD 10N 63V 20% RA
2A310
C507
CERD 1N0 63V 20% RA
2A210
C508
CERD 1N0 63V 20% RA
2A210
C509
CERD 1N0 63V 20% RA
2A210
C510
CERD 1N0 63V 20% RA
2A210
C511
CERD 1N0 63V 20% RA
2A210
C512
CERD 1N0 63V 20% RA
2A210
D1
ZENER 10V 400MW
3C11004
D2
RECTIFIER 1N4003F 1A 200V
3B4003
D3
ZENER 10V 400MW
3C11004
D4
ZENER 10V 400MW
3C11004
D5
ZENER 5V6 400MW
3C05604
D6
ZENER 22V 400MW
3C22004
D101
ZENER 10V 400MW
3C11004
D102
RECTIFIER 1N4003F 1A 200V
3B4003
D103
ZENER 10V 400MW
3C11004
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
D104
ZENER 10V 400MW
3C11004
D106
ZENER 22V 400MW
3C22004
D201
RECTIFIER MUR420 4A 220V
3B420
D202
RECTIFIER MUR420 4A 220V
3B420
D203
RECTIFIER MUR420 4A 220V
3B420
D204
RECTIFIER MUR420 4A 220V
3B420
D501
RECTIFIER 1N4003F 1A 200V
3B4003
D502
RECTIFIER 1N4003F 1A 200V
3B4003
D503
RECTIFIER 1N4003F 1A 200V
3B4003
D504
RECTIFIER 1N4003F 1A 200V
3B4003
D602
ZENER 5V6 400MW
3C05604
F501
FUSEHOLDER 20mm PCB
8S004
F501
INS COVER PCB FUSEHOLDER
F022
F501
SPARE FUSE 20mm 1.6A AS
C12166
FS502
FUSEHOLDER 20mm PCB
8S004
FS502
INS COVER PCB FUSEHOLDER
F022
HS1
ALPHA9 & AV50 HEATSINK
E801HK
HS201
HEATSINK CLIP TO220 13/8.6 DC/W
F006
HS201
HEATSINK TO220 13 DEGC/W
F005
HS202
HEATSINK TO220 CLIP 23DEG/W
F004
KP1
KWIKSTIK PAD S/A 25 X 12mm
F157S
KP2
KWIKSTIK PAD S/A 25 X 12mm
F157S
L1
INDUCT 2U2 15x25mm AD2018
7D002A
L101
INDUCT 2U2 15x25mm AD2018
7D002A
LED601
LED RED/GREEN 5MM
3D002
LK1P
LINK BANDOL PREFORM 10mm
1X010A
LK2P
LINK BANDOL PREFORM 10mm
1X010A
LK3P
LINK BANDOL PREFORM 10mm
1X010A
LK4P
LINK BANDOL PREFORM 10mm
1X010A
LK502P
LINK BANDOL PREFORM 10mm
1X010A
LK601
JUMPER 3 WAY x 125mm
L815CA
MI
MAINS SWITCH SD33P INSULATOR
E00301
MS
MAINS SWITCH SPACER
E66901
Q1
TRANS POWER MOSFET IRPF240
4K240
Q2
TRANS POWER MOSFET IRPF240
4K240
Q3
TRANS LF SS P 2SA1085
4A1085
Q4
TRANS LF SS N 2SC2547
4A2546
Q5
TRANS LF SS P 2SA1085
4A1085
Q6
TRANS LF SS P BC556B
4A556
Q7
TRANS LF SS N BC546B
4A546
Q8
TRANS LF SS P BC556B
4A556
Q9
TRANS LF SS N BC546B
4A546
Q10
TRANS LF SS P BC557B
4A557
Q11
TRANS LF SS N BC547B
4A547
Q12
TRANS LF SS N 2SC2547
4A2546
Q13
TRANS LF SS P BC557B
4A557
Q14
TRANS LF SS N 2SC2547
4A2546
Q15
TRANS LF SS P BC557B
4A557
Q16
TRANS LF SS N BC547B
4A547
Q17
TRANS LF SS N BC547B
4A547
Q18
TRANS LF SS N BC547B
4A547
Q19
TRANS LF SS N BC547B
4A547
Q20
TRANS LF SS N BC547B
4A547
Q101
TRANS POWER MOSFET IRPF240
4K240
Q102
TRANS POWER MOSFET IRPF240
4K240
Q103
TRANS LF SS P 2SA1085
4A1085
Q104
TRANS LF SS N 2SC2547
4A2546
Q105
TRANS LF SS P 2SA1085
4A1085
Q106
TRANS LF SS P BC556B
4A556
Q107
TRANS LF SS N BC546B
4A546
Q108
TRANS LF SS P BC556B
4A556
Q109
TRANS LF SS N BC546B
4A546
Q110
TRANS LF SS P BC557B
4A557
Q111
TRANS LF SS N BC547B
4A547
Q112
TRANS LF SS N 2SC2547
4A2546
Q113
TRANS LF SS P BC557B
4A557
Q114
TRANS LF SS N 2SC2547
4A2546
Q115
TRANS LF SS P BC557B
4A557
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
Q116
TRANS LF SS N BC547B
4A547
Q117
TRANS LF SS N BC547B
4A547
Q118
TRANS LF SS N BC547B
4A547
Q119
TRANS LF SS N BC547B
4A547
Q120
TRANS LF SS N BC547B
4A547
Q121
TRANS LF SS P 2SA1085
4A1085
Q502
TRANS LF SS N 2SC2547
4A2546
R1
RES MO 3W 5% 0R22 KOASPR3
1Q922
R2
RES CF 1W 1R5 5%
1E815
R3
RES CF 1W 5R6 5%
1E856
R4
RES MF FU W3 100R 5% NFR25
1G110
R5
RES MF W4 470R 1%
1H147
R6
RES MF FU W3 100R 5% NFR25
1G110
R7
RES MF W4 470R 1%
1H147
R8
RES MF FU W3 100R 5% NFR25
1G110
R9
RES MF W4 1K0 1%
1H210
R10
RES MF W4 1K0 1%
1H210
R11
RES MF FU W3 220R 5% NFR25
1G122
R12
RES MF FU W3 220R 5% NFR25
1G122
R13
RES MF FU W3 470R 5% NFR25
1G147
R14
RES MF FU W3 470R 5% NFR25
1G147
R15
RES MF W4 1K0 1%
1H210
R16
RES MF W4 18K 1%
1H318
R17
RES MF W4 5K6 1%
1H256
R18
RES MF W4 2K7 1%
1H227
R19
RES MF W4 2K7 1%
1H227
R20
RES MF W4 4K7 1%
1H247
R21
RES MF W4 330R 1%
1H133
R22
RES MF W4 2K7 1%
1H227
R23
RES MF W4 100R 1%
1H110
R24
RES MF W4 220K 1%
1H422
R25
RES MF W4 18K 1%
1H318
R26
RES MF W4 2K7 1%
1H227
R27
RES MF W4 5K6 1%
1H256
R28
RES MF FU W3 10R 5% NFR25
1G010
R29
RES MF FU W3 470R 5% NFR25
1G147
R30
RES MF W4 100K 1%
1H410
R31
RES MF W4 120K 1%
1H412
R32
RES MF W4 47K 1%
1H347
R33
RES MF W4 470K 1%
1H447
R34
RES MF W4 47K 1%
1H347
R35
RES MF W4 2K7 1%
1H227
R52
RES MF W4 6K8 1%
1H268
R53
RES MF W4 2K2 1%
1H222
R56
RES MF W4 56R 1%
1H056
R58
RES MF W4 330R 1%
1H133
R59
RES MF W4 27K 1%
1H327
R60
RES MF W4 1K0 1%
1H210
R61
RES MF W4 33K 1%
1H333
R71
RES MF W4 15K 1%
1H315
R72
RES MF W4 15K 1%
1H315
R73
RES MF W4 15K 1%
1H315
R74
RES MF W4 15K 1%
1H315
R75
RES MF W4 10K 1%
1H310
R76
RES MF W4 12K 1%
1H312
R77
RES MF W4 220K 1%
1H422
R78
RES MF W4 120K 1%
1H412
R79
RES MF W4 33K 1%
1H333
R80
RES MF W4 1K5 1%
1H215
R81
RES MF W4 2K2 1%
1H222
R82
RES MF W4 100R 1%
1H110
R83
RES MF W4 4K7 1%
1H247
R84
RES MF W4 18K 1%
1H318
R101
RES MO 3W 5% 0R22 KOASPR3
1Q922
R102
RES CF 1W 1R5 5%
1E815
R103
RES CF 1W 5R6 5%
1E856
R104
RES MF FU W3 100R 5% NFR25
1G110
R105
RES MF W4 470R 1%
1H147
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
R106
RES MF FU W3 100R 5% NFR25
1G110
R107
RES MF W4 470R 1%
1H147
R108
RES MF FU W3 100R 5% NFR25
1G110
R109
RES MF W4 1K0 1%
1H210
R110
RES MF W4 1K0 1%
1H210
R111
RES MF FU W3 220R 5% NFR25
1G122
R112
RES MF FU W3 220R 5% NFR25
1G122
R113
RES MF FU W3 470R 5% NFR25
1G147
R114
RES MF FU W3 470R 5% NFR25
1G147
R115
RES MF W4 1K0 1%
1H210
R116
RES MF W4 18K 1%
1H318
R117
RES MF W4 5K6 1%
1H256
R118
RES MF W4 2K7 1%
1H227
R119
RES MF W4 2K7 1%
1H227
R120
RES MF W4 4K7 1%
1H247
R121
RES MF W4 330R 1%
1H133
R122
RES MF W4 2K7 1%
1H227
R123
RES MF W4 100R 1%
1H110
R124
RES MF W4 220R 1%
1H122
R125
RES MF W4 18K 1%
1H318
R126
RES MF W4 2K7 1%
1H227
R127
RES MF W4 5K6 1%
1H256
R128
RES MF FU W3 10R 5% NFR25
1G010
R129
RES MF FU W3 470R 5% NFR25
1G147
R130
RES MF W4 100K 1%
1H410
R131
RES MF W4 120K 1%
1H412
R132
RES MF W4 47K 1%
1H347
R133
RES MF W4 470K 1%
1H447
R134
RES MF W4 47K 1%
1H347
R135
RES MF W4 2K7 1%
1H227
R152
RES MF W4 6K8 1%
1H268
R153
RES MF W4 2K2 1%
1H222
R156
RES MF W4 56R 1%
1H056
R158
RES MF W4 330R 1%
1H133
R159
RES MF W4 27K 1%
1H327
R160
RES MF W4 1K0 1%
1H210
R161
RES MF W4 33K 1%
1H333
R173
RES MF W4 15K 1%
1H315
R174
RES MF W4 15K 1%
1H315
R175
RES MF W4 10K 1%
1H310
R176
RES MF W4 12K 1%
1H312
R177
RES MF W4 220K 1%
1H422
R178
RES MF W4 120K 1%
1H412
R179
RES MF W4 33K 1%
1H333
R180
RES MF W4 1K5 1%
1H215
R181
RES MF W4 2K2 1%
1H222
R182
RES MF W4 100R 1%
1H110
R183
RES MF W4 4K7 1%
1H247
R184
RES MF W4 18K 1%
1H318
R185
RES MF W4 47K 1%
1H347
R201
RES MF W4 2K4 1%
1H224
R202
RES MF W4 220R 1%
1H122
R203
RES MF W4 2K4 1%
1H224
R204
RES MF W4 220R 1%
1H122
R205
RES MF FU W3 10R 5% NFR25
1G010
R206
RES MF FU W3 10R 5% NFR25
1G010
R207
RES MF FU W3 10R 5% NFR25
1G010
R404
RES MF FU W3 1R0 5% NFR25
1G810
R501
RES MF W4 47K 1%
1H347
R502
RES MF W4 47K 1%
1H347
R503
RES MF W4 100R 1%
1H110
R504
RES MF W4 47K 1%
1H347
R505
RES MF W4 47K 1%
1H347
R506
RES MF W4 100K 1%
1H410
R507
RES MF W4 18K 1%
1H318
R508
RES MF W4 47K 1%
1H347
R509
RES MF W4 47K 1%
1H347
R510
RES MF W4 100K 1%
1H410
ALPHA 9/9P SERVICE MANUAL
ALPHA 9/9P SERVICE MANUAL
R511
RES MF W4 18K 1%
1H318
R512
RES MF W4 18K 1%
1H318
R513
RES MF W4 33K 1%
1H333
R514
RES MF W4 47K 1%
1H347
R515
RES CF 1W 1K0 5%
1E210
R516
RES CF 1W 1K0 5%
1E210
R517
RES CF 1W 2K7 5%
1E227
R518
RES CF 1W 2K7 5%
1E227
R519
RES CF 1W 330R 5%
1E133
R520
RES CF 1W 330R 5%
1E133
R524
RES MF W4 18K 1%
1H318
R525
RES CF W2 100R 5%
1D110
R526
RES CF W2 100R 5%
1D110
R527
RES MF W4 10R 1%
1H010
RA1
RES MO 3W 5% 0R22 KOASPR3
1Q922
RA101
RES MO 3W 5% 0R22 KOASPR3
1Q922
RLY501
RELAY G5Z-2A-E 24V
A207
RLY502
RELAY G5Z-2A-E 24V
A207
SK305
PHONO SKT 4-WAY EMC GOLD
8D225
SK501
BINDING POST 4WAY GOLD LTS04102002G
8D416
SK502
BINDING POST 4WAY GOLD LTS04102002G
8D416
SK503
IEC MAINS CONN PCB INS PX
8A001
SK504
STEREO JACK PCB
8D301
SPRFS
SPARE FUSE 20mm 1.6A AS
C12166
SPRFS
SPARE FUSEHOLDER
F062
SW501
SW PUSH 2PCO
A1008
SW502
SW PUSH 2PCO
A1008
SW503
SWITCH PUSH MAINS OPST SDS3P
A1006
TC1
TRANSFORMER CLAMP
E00201
TC2
TRANSFORMER CLAMP
E00201
TH501
THERMISTOR SIEMENS B59008
1T002
TX1
ALPHA9 MULTI VOLTAGE TRANSFORMER
L817TX
Y2
TX WIRE RESTRAINT
F185
Y3
TX WIRE RESTRAINT
F185
Y20
COPPER RIVET
HP007
Y21
COPPER RIVET
HP007
Z1
IC AUDIO NE5534N
5A5534
Z3
IC COMPARITOR DUAL LM393A
5M393A
Z101
IC AUDIO NE5534N
5A5534
Z201
IC VREG POS LM317T
5D317T
Z202
IC VREG POS LM337T
5D337
Z501
IC COMPARITOR TA7317P
5M7317
Alpha 9P Non PCB Parts, Metalwork etc.
Part No.
Description
8K006
U-LINK
E802CH
CHASSIS
E802MI
PCB INSULATOR
E803SP
ALPHA 9/9P AMP SUBPANEL
E804AP
FELT RING
E804CP
ALPHA 9/9P COVERPLATE
E809RP
REAR PANEL
E814FP
ALPHA 9P FASCIA
E815PM
POWER BUTTON
E822PM
FOOT
E825PM
ALPHA 9 BADGE
E901HK
HEATSINK ANODISED
F037
TOROIDIAL TRANSFORMER CLAMP
F038
RUBBER WASHER FOR ABOVE
HA6K55A
TRANSFORMER BOLT
SH053
OWNERS HANDBOOK
SH058
WARRANTY LEAFLET
1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
ISSUE
DRAWING NO.
23425
DRAWING TITLE
DRAWN BY
CHK BY
DATE
Filename
ECO No.
DESCRIPTION OF CHANGE
J:\Products\A9_amp\pcb_iss7\iss_8\L827C1_8.SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
1
5
Sheet
of
ALPHA 9 INPUT SELECTION
Circuit Diagram
L827C1
8
20-Oct-1998
A6
AC
A1
A2
A3
A4
A5
SW201NA
A1207
B6
BC
B1
B2
B3
B4
B5
SW201NB
A1207
C6
CC
C1
C2
C3
C4
C5
SW201NC
A1207
M
-
+
37
38
39
40
SW201ND
A1207
PHOR
ATE_PAD
1
2
3
4
5
6
7
8
SK201N
RBN8X
+15V
-15V
PHOL
ATE_PAD
R
L
L
R
EMC
1
N
F
SK301NA
PHONO4G
N
F
SK301NB
PHONO4G
EMC
1
N
F
SK302NA
PHONO4G
N
F
SK302NB
PHONO4G
EMC
1
N
F
SK303NA
PHONO4G
N
F
SK303NB
PHONO4G
EMC
1
N
F
SK304NA
PHONO4G
N
F
SK304NB
PHONO4G
AUXL
ATE_PAD
AUXR
ATE_PAD
TUNL
ATE_PAD
TUNR
ATE_PAD
CDL
ATE_PAD
CDR
ATE_PAD
AVL
ATE_PAD
AVR
ATE_PAD
LP1IL
ATE_PAD
LP1IR
ATE_PAD
LP1OL
ATE_PAD
LP1OR
ATE_PAD
AVLIL
ATE_PAD
AVLIR
ATE_PAD
AVLOL
ATE_PAD
AVLOR
ATE_PAD
INE
ATE_PAD
1
2
3
4
5
6
7
8
SK202N
1
2
3
SW207NA
4PCO
7
8
9
SW207NC
4PCO
4
5
6
SW207NB
4PCO
+44V
+5V
+5V
SWPNO
SWAUX
SWTUN
SWCO
SWAV
SWLP1
SWFIX
MOTN
MOTP
C409N
10N CD
CHS
PHONO
BOARD
AUX
TUNER
CD
AV
LOOP1 IN
LOOP1 OUT
AV LOOP IN
AV LOOP OUT
CHS
A
PROC/TAPE 2 SWITCH
42
SW201NF
A1207
41
SW201NE
A1207
CHS
C301N
1N0 CD
WAF
RLY401NA
RLY 51SB12T
RLY401NB
RLY 51SB12T
RLY401NC
RLY 51SB12T
R603N
6K8 MF
R605N
6K8 MF
A
TO MOTOR ON SHT 2
VOLUME BOARD
THIS CAPACITOR TO BE BESIDE SK302
R604N
2K2 MF
R606N
2K2 MF
ALL COMPONENT DESIGNATORS ENDING IN 'N' ARE NOT ON ALPHA 9P
ALL COMPONENT DESIGNATORS ENDING IN 'P' ARE ONLY ON ALPHA 9P
RL1
VOLR
VOLL
RV601NA
6A330M
RV601NB
6A330M
+
-
+
RV601NC
6A330M
C603N
10N CD
9
7
Case
RV601ND
6A330M
AC1
A1
A2
A3
A4
A5
A6
AC2
SW202NA
A1210
BC1
B1
B2
B3
B4
B5
B6
BC2
SW202NB
A1210
CC1
C1
C2
C3
C4
C5
C6
CC2
SW202NC
A1210
DC1
D1
D2
D3
D4
D5
D6
DC2
SW202ND
A1210
33
SW202NE
A1210
34
SW202NF
A1210
35
SW202NG
A1210
36
SW202NH
A1210
PHOE
ATE_PAD
1
2
3
4
5
6
7
8
SK602N
L809CA
98_1038
MAY96
ORIGINAL ISSUE
L827C101
1
1
2
SK601N
1Y271
1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
ISSUE
DRAWING NO.
23425
DRAWING TITLE
DRAWN BY
CHK BY
DATE
Filename
ECO No.
DESCRIPTION OF CHANGE
J:\Products\A9_amp\pcb_iss7\iss_8\L827C2_8.SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
2
5
Sheet
of
ALPHA 9 REMOTE CONTROL
Circuit Diagram
L827C2
8
20-Oct-1998
GND
1
MD1
2
CC1
3
REF
4
MC1
5
MC2
6
VCC1
7
VCC2
8
CC2
9
MD2
10
Z402N
BA6109
GND
1
MD1
2
CC1
3
REF
4
MC1
5
MC2
6
VCC1
7
VCC2
8
CC2
9
MD2
10
Z403N
BA6109
RA2
1
RA3
2
RTCC
3
MCLR
4
VSS
5
RB0
6
RB1
7
RB2
8
RB3
9
RB4
10
RB5
11
RB6
12
RB7
13
VDD
14
OSC2
15
OSC1
16
RA0
17
RA1
18
Z401N
PIC16C54XT
X401N
CST4.19MG
C405N
10N CD
C402N
10N CD
C404
10N CD
R404
1R0 FU
R401N
10R FU
D401N
1N4003F
D403N
1N4003F
+
C401N
1M0 25V
R402N
1K0 MF
D402N
5V6 400MW
+
C410N
10U EL
+5V
a.c. Input 8Vrms
D404N
5V6 400MW
VOLUME DRIVE
C408N
10N CD
D405N
5V6 400MW
SOURCE SELECT DRIVE
VOLM1
ATE_PAD
VOLM2
ATE_PAD
C406N
10N CD
TO MOTOR ON SHT 1
+ C403N
1M0 25V
MOTSUP
ATE_PAD
1
2
3
SW402NA
A1402
4
5
6
SW402NB
A1402
7
8
9
10
SW402NC
A1402
10
11
12
SW207ND
4PCO
PROC/TAPE2
NORMAL
AV MODE
R410N
2K7 1W CF
+
C411N
1U0 EL
D407N
1N4003F
+44V
(TO SHT 1)
+5V
REMO
ATE_PAD
B
D408N
5V6 400MW
R405N
1K0 MF
R403N
1K0 MF
AVMODE
ATE_PAD
9
8
7
6
5
4
3
2
1
RP401N
100K X 8 COM
SWPNO
SWAUX
SWTUN
SWCO
SWAV
SWLP1
SWFIX
AUTO
ATE_PAD
+5V
+5V
P5V
ATE_PAD
+5V
R406N
4K7 MF
R407N
4K7 MF
Q402N
BC557B
Q403N
BC557B
+5V
R408N
470R MF
D406N
1N4148
(SHT 5)
MUTE
MOTN
MOTP
SWTM2
ATE_PAD
SWTM1
ATE_PAD
LINK FOR NORMAL OPERATION
Remote control
Mode
R601N
22R MF
R602N
22R MF
C601N
220P PP
C602N
15N PE
3
2
1
+5V
O/P
GND
Case
RX1N
SBX1610-52
WAF
REMOTE BOARD
ALL COMPONENT DESIGNATORS ENDING IN 'N' ARE NOT ON ALPHA 9P
ALL COMPONENT DESIGNATORS ENDING IN 'P' ARE ONLY ON ALPHA 9P
Q401N
BC547B
YEL1
PAD200/1.4
YEL2
PAD200/1.4
ACSNS
LEDERR
LEDON
RL1
C407N
10N CD
1
2
MOTORN
RBN2X
B
R
G
LED601
LED RED/GRN
D602
5V6 400MW
1
2
3
LK601
L815CA
POWER INDICATOR PCB
1
2
PL1N
2WVERTJUMPER
1
2
3
LK401N
L815CA
ORIGINAL ISSUE
98_1038
L827C201
1
MAY 96
1
2
3
SK401N
RBN3X
1
2
3
SK601
L815CA
Will not appear on Run Out Sheet.
JP1
JUMPER
1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
ISSUE
DRAWING NO.
23425
DRAWING TITLE
DRAWN BY
CHK BY
DATE
Filename
ECO No.
DESCRIPTION OF CHANGE
J:\Products\A9_amp\pcb_iss7\iss_8\L827C3_8.SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
3
5
Sheet
of
ALPHA 9 TONE CONTROL
Circuit Diagram
L827C3
8
20-Oct-1998
C13N
220P PP
C14N
220P PP
+
C21N
10U EL
R47N
4K7 MF
C18N
100P PP
R46N
100K MF
R43N
470R MF
-15V
+15V
R54N
1K8 MF
R154N
1K8 MF
RV201NA
20K LIN POT
R36N
5K6 MF
1
2
3
SW205NA
2PCO
DIRECT
BALANCE
FROM
VOLUME
R40N
6K8 MF
R41N
10K MF
R42N
12K MF
RV203NA
20K LIN POT
RV202NA
20K LIN POT
R39N
12K MF
R38N
6K8 MF
+
C15N
10U EL
R37N
6K8 MF
TONEL
ATE_PAD
BASS
TREBLE
3
2
1
Z203NA
TL072
8
4
Z203NC
TL072
C19N
100P PP
R57N
100K MF
R49N
1K8 MF
R50N
6K8 MF
R51N
100R MF
R48N
4K7 MF
PREOL
ATE_PAD
PREOE
ATE_PAD
PREOR
ATE_PAD
1
2
LK1P
10MM LINK
RLY503NA
RLY 51SB12T
RLY503NB
RLY 51SB12T
EMC
1
N
F
SK305A
PHONO4G
N
F
SK305B
PHONO4G
C113N
220P PP
C114N
220P PP
+
C121N
10U EL
R147N
4K7 MF
C118N
100P PP
R146N
100K MF
R143N
470R MF
-15V
+15V
RV201NB
20K LIN POT
R136N
5K6 MF
4
5
6
SW205NB
2PCO
DIRECT
BALANCE
R140N
6K8 MF
R141N
10K MF
R142N
12K MF
RV203NB
20K LIN POT
RV202NB
20K LIN POT
R139N
12K MF
R138N
6K8 MF
+
C115N
10U EL
R137N
6K8 MF
TONER
ATE_PAD
BASS
TREBLE
5
6
7
Z203NB
TL072
C119N
100P PP
R157N
100K MF
R149N
1K8 MF
R150N
6K8 MF
R151N
100R MF
R148N
4K7 MF
1
2
LK2P
10MM LINK
PRE-OUT
POWER
IN
POWIL
ATE_PAD
POWIR
ATE_PAD
R52
6K8 MF
R152
6K8 MF
R153
2K2 MF
R53
2K2 MF
R61
33K MF
R161
33K MF
1
2
LK3P
10MM LINK
1
2
LK4P
10MM LINK
1
2
3
SW206NA
A1401
4
5
6
SW206NB
A1401
7
8
9
10
SW206NC
A1401
INT/EXT Power Amp Source
+15v
-15v
ALL COMPONENT DESIGNATORS ENDING IN 'N' ARE NOT ON ALPHA 9P
ALL COMPONENT DESIGNATORS ENDING IN 'P' ARE ONLY ON ALPHA 9P
VOLL
VOLR
PWRL
PWRR
C17N
100N PC
C117N
100N PC
C16N
100N PC
C116N
100N PC
C25N
2N2 PP
C125N
2N2 PP
R55N
1K0 MF
R155N
1K0 MF
R62N
820R MF
R162N
820R MF
+
C26N
10U EL
+
C126N
10U EL
3
2
1
Z2NA
JRC4560
5
6
7
Z2NB
JRC4560
8
4
Z2NC
JRC4560
3
2
1
Z102NA
JRC4560
5
6
7
Z102NB
JRC4560
8
4
Z102NC
JRC4560
L827301
1
MAY 96
WAF
ORIGINAL ISSUE
98_1038
1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
ISSUE
DRAWING NO.
23425
DRAWING TITLE
DRAWN BY
CHK BY
DATE
Filename
ECO No.
DESCRIPTION OF CHANGE
J:\Products\A9_amp\pcb_iss7\iss_8\L827C4_8.SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
4
5
Sheet
of
ALPHA POWER & AMP PSU
Circuit Diagram
L827C4
8
20-Oct-1998
R35
2K7 MF
C12
10U NP
C11
220P PP
R34
47K MF
R32
47K MF
R31
120K MF
7
4
Z1B
NE5534
+
C8
100U EL
C9
15N PE
C10
15N PE
R33
470K MF
AMPIL
ATE_PAD
AMPIEL
ATE_PAD
SRVOL
ATE_PAD
2
3
6
8
5
Z1A
NE5534
DC Servo
Q11
BC547B
Q10
BC557B
R26 2K7 MF
R27
5K6 MF
R22
2K7 MF
Q18
BC547B
Q17
BC547B
Q19
BC547B
Q16
BC547B
Q9
BC546B
Q7
BC546B
Q6
BC556B
Q8
BC556B
R15
1K0 MF
R60
1K0 MF
R79
33K MF
+15V
R23
100R MF
IQTP2L
ATE_PAD
R81
2K2 MF
C20
15N PE
+
C7
10U EL
R78
120K MF
R16
18K MF
R19
2K7 MF
R18
2K7 MF
C6
56P PS
-15V
-15V
R30
100K MF
R17
5K6 MF
Q4
2SC2547
Q5
2SA1085
R13
470R FU
R14
470R FU
Q3
2SA1085
R21
330R MF
C5
680P PP
R9
1K0 MF
R11 220R FU
R12 220R FU
R7
470R MF
R6
100R FU
R101K0 MF
C23
100N PC
D4
10V 400MW
Q1
IRFP240
Q2
IRFP240
D3
10V 400MW
Q13
BC557B
R5
470R MF
R4
100R FU
R82
100R MF
+ C3
100U EL 100V
R8
100R FU
D2
1N4003F
D1
10V 400MW
+44V
BOOTL
ATE_PAD
C2
47N PE
R3
5R6 1W CF
C4
100N PC
R2
1R5 1W CF
L1
2U2H LAC
AMPOL
ATE_PAD
IQL
ATE_PAD
R1
0R22 3W MO
RA1
0R22 3W MO
R29
470R FU
R58
330R MF
R59
27K MF
R56
56R MF
+ C1
100U EL
R28
10R FU
R20
4K7 MF
Q12
2SC2547
Q14
2SC2547
R25
18K MF
-44V
3
2
1
Z3A
LM393A
5
6
7
Z3B
LM393A
8
4
Z3C
LM393A
D6
22V 400MW
Q15
BC557B
R73
15K MF
R74
15K MF
R75
10K MF
IQTP1L
ATE_PAD
R76
12K MF
R83
4K7 MF
R77
220K MF
+
C72
100U EL
Q20
BC547B
-15V
-15V
-15V
C22
100N PC
+44V
C122
100N PC
+44V
R71
15K MF
R72
15K MF
R24
220K MF
+
C71
10U EL
R124
220R MF
-44v
IQSUP
ATE_PAD
D5
5V6 400MW
D106
22V 400MW
Q115
BC557B
R173
15K MF
R174
15K MF
R175
10K MF
IQTP1R
ATE_PAD
R176
12K MF
R183
4K7 MF
R177
220K MF
+
C172
100U EL
Q120
BC547B
-15V
-15V
-15V
R135
2K7 MF
C112
10U NP
C111
220P PP
R134
47K MF
R132
47K MF
R131
120K MF
+
C108
100U EL
C109
15N PE
C110
15N PE
R133
470K MF
AMPIR
ATE_PAD
AMPIER
ATE_PAD
SRVOR
ATE_PAD
2
3
6
8
5
Z101A
NE5534
DC Servo
Q111
BC547B
Q110
BC557B
R1262K7 MF
R127
5K6 MF
R122
2K7 MF
Q118
BC547B
Q117
BC547B
Q119
BC547B
Q116
BC547B
Q109
BC546B
Q107
BC546B
Q106
BC556B
Q108
BC556B
R115
1K0 MF
R160
1K0 MF
R179
33K MF
+15V
R123
100R MF
IQTP2R
ATE_PAD
R181
2K2 MF
C120
15N PE
+ C107
10U EL
R178
120K MF
R116
18K MF
R119
2K7 MF
R118
2K7 MF
C106
56P PS
-15V
-15V
R130
100K MF
R117
5K6 MF
Q104
2SC2547
Q105
2SA1085
R113
470R FU
R114
470R FU
Q103
2SA1085
R121
330R MF
C105
680P PP
R109
1K0 MF
R111 220R FU
R112 220R FU
R107
470R MF
R106
100R FU
R110
1K0 MF
C123
100N PC
D104
10V 400MW
Q101
IRFP240
Q102
IRFP240
D103
10V 400MW
Q113
BC557B
R105
470R MF
R104
100R FU
R182
100R MF
+ C103
100U EL 100V
R108
100R FU
D102
1N4003F
D101
10V 400MW
+44V
BOOTR
ATE_PAD
C102
47N PE
R103
5R6 1W CF
C104
100N PC
IQR
ATE_PAD
R101
0R22 3W MO
RA101
0R22 3W MO
R129
470R FU
R158
330R MF
R159
27K MF
R156
56R MF
+
C101
100U EL
R128
10R FU
R120
4K7 MF
Q112
2SC2547
Q114
2SC2547
R125
18K MF
-44V
R102
1R5 1W CF
L101
2U2H LAC
AMPOR
ATE_PAD
R184
18K MF
R185
47K MF
+
C173
100U EL
Q121
2SA1085
WAF
7
4
Z101B
NE5534
Vin
I
ADJ
A
Vout
O
Z201
LM317T
R206
10R FU
R205
10R FU
C205
4N7 PP
C206
4N7 PP
R201
2K4 MF
R203
2K4 MF
R202
220R MF
R204
220R MF
+
C209
10U EL
+ C210
10U EL
+ C207
10U EL
+ C208
10U EL
R207
10R FU
Vin
I
ADJ
A
Vout
O
Z202
LM337T
+44V
-44V
-15V
+15V
P15V
ATE_PAD
N15V
ATE_PAD
REGE
ATE_PAD
+15V
-15V
D201
MUR420
D202
MUR420
D203
MUR420
D204
MUR420
+
C201
10M EL 50V
+
C202
10M EL 50V
-44V
+44V
PSUP
ATE_PAD
NSUP
ATE_PAD
POWRE
ATE_PAD
ACA
A9TXPINS
ACB
A9TXPINS
ACC
A9TXPINS
GNDCON
PAD150/1.8
1
HS1
E801HK
ALL COMPONENT DESIGNATORS ENDING IN 'N' ARE NOT ON ALPHA 9P
ALL COMPONENT DESIGNATORS ENDING IN 'P' ARE ONLY ON ALPHA 9P
HS
HS201A
TO220HS13REG
PWRL
HS202A
TO220HS23REG
PWRR
SPKL
SPKR
AIQL
AIQR
VIPROT
AIQL
AIQR
RESET
ATE_PAD
R84
18K MF
MAY 96
ORIGINAL ISSUE
98_1038
L827C401
1
R180
1K3 MF
R80
1K3 MF
R80 & R180 FROM 1K2 TO 1K3
1
2
3
4
5
6
7
8
A
B
C
D
8
7
6
5
4
3
2
1
D
C
B
A
ISSUE
DRAWING NO.
23425
DRAWING TITLE
DRAWN BY
CHK BY
DATE
Filename
ECO No.
DESCRIPTION OF CHANGE
J:\Products\A9_amp\pcb_iss7\iss_8\L827C5_8.SCH
A & R Cambridge Ltd.
Pembroke Avenue
Denny Industrial Centre
Waterbeach
Cambridge CB5 9PB
5
5
Sheet
of
A9 PROTECTION & MAINS
Circuit Diagram
L827C5
8
20-Oct-1998
R501
47K MF
R502
47K MF
R519
330R 1W CF
R520
330R 1W CF
R525
100R W2 CF
R526
100R W2 CF
RLY501A
RLY G5Z-2A-E
RLY501B
RLY G5Z-2A-E
RLY501C
RLY G5Z-2A-E
RLY502A
RLY G5Z-2A-E
RLY502B
RLY G5Z-2A-E
RLY502C
RLY G5Z-2A-E
LHC
2
RHC
3
1
4
L
5
6
R
7
SK504
HPSKT
C507
1N0 CD
C508
1N0 CD
C509
1N0 CD
C510
1N0 CD
C511
1N0 CD
C512
1N0 CD
HPSR
ATE_PAD
HPSL
ATE_PAD
HPSE
ATE_PAD
SPK2R
ATE_PAD
SPK1R
ATE_PAD
SPKEL
ATE_PAD
SPK2L
ATE_PAD
SPKER
ATE_PAD
SPK1L
ATE_PAD
ACDET
ATE_PAD
VTHERM
ATE_PAD
R503
100R MF
R504
47K MF
D501
1N4003F
D502
1N4003F
D503
1N4003F
D504
1N4003F
D505N
1N4003F
+
C501
100U EL
+
C502
1U0 EL
R505
47K MF
R508
47K MF
R509
47K MF
R514
47K MF
R507
18K MF
R524
18K MF
R511
18K MF
R512
18K MF
R506
100K MF
R510
100K MF
+
C503
100U EL
+
C504
1U0 EL
R521N
2K7 1W CF
R515
1K0 1W CF
R516
1K0 1W CF
R517
2K7 1W CF
R513
33K MF
R527
10R MF
C506
10N CD
R518
2K7 1W CF
Q502
2SC2547
PWR
1
IN1
2
IN2
3
0V
4
V-
5
O
6
FB
7
RC
8
V+
9
Z501
TA7317P
TH501
PTH90DEG
C505
4N7 MAINS
1
2
3
SW501A
2PCO
4
5
6
SW501B
2PCO
1
2
3
SW502A
2PCO
4
5
6
SW502B
2PCO
L
N
E
N
E
L
SK503
IEC3
1
2
LK501N
10MM LINK
1
2
LK502P
10MM LINK
PROT
ATE_PAD
PROTE
ATE_PAD
F501
AS1A6
+44V
+44V
-44V
+44V
+44V
MUTE
+44V
RLY503NC
RLY 51SB12T
+44V
Pre-out mute
230V
115V
0V
SCREEN
BLUE
GREEN
BLUE
BLACK
BROWN
ORANGE
YELLOW
YELLOW
TX1
L817TX
BLACK
PAD200/1.4
BROWN
PAD200/1.4
ORANGE
PAD200/1.4
ACB
AC0
ACA
AC1
AC2
SCRN
PAD200/1.4
ALL COMPONENT DESIGNATORS ENDING IN 'N' ARE NOT ON ALPHA 9P
ALL COMPONENT DESIGNATORS ENDING IN 'P' ARE ONLY ON ALPHA 9P
SPKR
SPKL
ACSNS
VIPROT
LEDON
LEDERR
SPRFS
AS1A6SP
Update Box
Y1
WAF
WAF
WAF
BARCODE LABEL
BC1
BC3
TOOLING4.1
BC4
TOOLING4.1
BC5
TOOLING4.1
BC6
TOOLING4.1
BC9
TOOLING4.1
BC10
TOOLING4.1
PD1
TARGET
PD2
TARGET
CHS
Y2
Y20
HP007
Y21
HP007
FSC
ATE_PAD
FS1
ATE_PAD
FS2
ATE_PAD
Y3
NEUTRAL
ATE_PAD
EARTH
ATE_PAD
LIVE
ATE_PAD
CHASS
SK501C
SPKSKT_G
TC1
E00201
TC2
E00201
PD3
TARGET
PD4
TARGET
Detail
Drilling
DD
DRILL_DETAIL
FS502
AS3A15_115V
1
L827C501
ORIGINAL ISSUE
98_1038
MAY 96
Bot+
Bot-
SK501B
CAMCON_G
CHASS
SK501C
CAMCON_G
Top+
Top-
SK501A
CAMCON_G
Top+
Top-
SK502A
CAMCON_G
Bot+
Bot-
SK502B
CAMCON_G
CHASS
SK502C
CAMCON_G
SW503A
A1007
SW503B
A1007
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