Service Manual
TOP NEXT
ORDER NO. MD0302054C2
CD Stereo System
SA-AK210E
SA-AK210EB
SA-AK210EG
Colour
(S)... Silver Type
TAPE SECTION :
SG-2W MECHANISM SERIES
Specifications
AMPLIFIER SECTION
RMS Power output
10% Total harmonic distortion
1kHz, both channels driven
(Low channel) 55 W per channel (6© )
10kHz, both channels driven
(High channel) 55 W per channel (6© )
Total Bi-Amp power 110 W per channel
Input sensitivity
AUX 250 mV
Input Impedance
AUX 13.3 k©
FM TUNER SECTION
Frequency range 87.50 - 108.00 MHz (50 kHz steps)
Sensitivity 1.8ź V (IHF)
S/ N 26 dB 1.5ź V
Antenna terminal(s) 75© (unbalanced)
AM TUNER SECTION
Frequency range 522 - 1629 kHz (9 kHz steps)
Sensitivity
S/ N 20 dB (at 999 kHz) 560ź V/ m
CASSETTE DECK SECTION
Track system 4 track, 2 channel
Heads
Record/ playback Solid permalloy head
Erasure Double gap ferrite head
Motor DC servo motor
Recording system AC bias 100 kHz
Erasing system AC erase 100 kHz
Tape speed 4.8 cm/ s
Overall frequency response (+ 3 dB, -6 dB at DECK OUT)
NORMAL (TYPE I) 35 Hz - 14 kHz
S/ N 50 dB (A weighted)
Wow and flutter 0.18% (WRMS)
Fast forward and rewind time Approx. 120 seconds with
C-60 cassette tape
CD SECTION
Sampling frequency 44.1 kHz
Decording 16 bit linear
Pickup
Beam source/ wavelength Semiconductor laser/ 780 nm
Number of channels Stereo
Frequency response 20 Hz - 20 kHz (+ 1, -2 dB)
Wow and flutter Below measurable limit
Digital filter 8 fs
D/ A converter MASH (1 bit DAC)
http://servis-manual.com/
SCHEMATIC DIAGRAM -1
: +B SIGNAL LINE : CD-DA SIGNAL LINE
OPTICAL
PICKUP CIRCUIT CD SERVO CIRCUIT
R701
4.7
LASER DIODE
1 1
C701
VCC
6
6.3V33
2 2
8 PDF
Q701
3 3 Q701
11 C 29
PDE B1ADCF000001
C703
LASER POWER DRIVE
4 4
C
6.3V100
LD
12 R750
5 5 4.7
10 LD GND
5
6 6
1 GND NBOUT 8 C704
GND
C
0.1
4
7 7 C714
9 NB
6.3V100
2 VCC GND 7
8 8
GND
C707
9 9
2 0.027
3 NAOUT 6
BIN
NA C713
0.1
3
10 10
VREF
4 VREF 5
AIN
11 11
LPD
12 12
GND
13 13
T- 1 2 3 4 5 6 7 8 9 10 11 12 13 14
C
C
14 14 C750
T+
0.1
15 15
F-
IC701
16 16
F+
AN8885SBE1
CN701 SERVO AMP
C751
0.1
28 27 26 25 24 23 22 21 20 19 18 17 16 15
C747 C710
180P 120P
C712 R744
R702 R705
0.1 120K
10K 150K
C749
C711
2200P
0.1
C742
0.027
R708 R707 R706 R704
22K 39K 1K 1K
33
15 16 17 18 19 20 21 29 22 23 24 25 26 27 28
GND
C735
0.1
IC703
C734
GND
10V220
14 13 12 11 10 9 8 30 7 6 5 4 3 2 1 R736
100
R725
390
C752 C738 C739
C737
36 35
1000P 0.01 1500P
0.1
R724
M C715 R729 R728
18K
2700P 3.9K 3.9K
M702
SP MOTOR R715 R727 R749
1K 3.9K 4.7K
IC703
38 C736
37
AN8739SBTE2
0.1
FOCUS COIL/
TRACKING COIL/
M TRAVERSE MOTOR/
R723 R731
SPINDLE MOTOR DRIVE
6.8K 6.8K
M701
TRV MOTOR
C706
2700P
0.1
C702
LPD
PDB
CEA
BDO
GND
FBAL
PDE
TBAL
PDF
VREF
VCC
FEN
PDA
FEOUT
TEOUT
TEN
LD
NC
RF
NC
RFIN
ENV
CSBRT
NC
OFTR
PDOWN
LDON
/RFDET
NC
IN3
D3-
VCC
PVCC2
PGND2
D2+
D2-
D3+
D1+
D4-
D1-
D4+
NC
NC
PGND1
PVCC1
NC
NC
IN1
NC
VREF
PC2
IN4
IN2
NC
RSTIN
/RST
100
R735
SCHEMATIC DIAGRAM - 2
: +B SIGNAL LINE : CD-DA SIGNAL LINE : CD SIGNAL LINE
CD SERVO CIRCUIT
20
18
19
23
R717 C727
1K C725 50V1
R721 1000P
22
100
C726
C731
1000P
21
6.3V220
C730
R718 C728
0.1
1K 50V1
C754
C732 C733
470P
6.3V220 0.1
19
LCH OUT
18
A.GND
17
RCH OUT
24 26 17
C753
470P 16
+3.3V
15
25 27 D.GND
C723 C743
14
10V220 0.1 LD SW
13
TX
61 62 63 64 65 66 67 68 69 71 72 73 74 75 76 77 78 79 80
C724 70
0.1 12
+7.5V
TO
8 7 6 4 11 MAIN
P.GND
CIRCUIT
10
60 VDD BCLK 1 MCLK
(CN310) ON
9
59 X2 OUT LRCK 2 SCHEMATIC
MDATA
DIAGRAM-5
SRDATA
58 X1 IN 3
8
X701 R714 MLD
57 VSS DVDD1 4
RSXZ16M9M01T 0
7
56 SBCK DVSS1 5 SPEED
12
C722 C721
6
55 SUBC 6
TX
10P 10P BLKCK
54 VCOF2 MCLK 7
5
SQCK
PCK
53 MDATA 8
IC702
4
SUBQ
52 EFM MLD 9
MN662790RSC R753
3
SENSE 10 11
51 AVSS2 SERVO PROCESSOR
STAT
DIGITAL SIGNAL PROCESSOR/ 100
50 AVDD2 /FLOCK 11 10 2
DIGITAL FILTER/
/RST
C718 R712
C717 C744 D/A CONVERTER
49 VCOF /TLOCK 12
9
0.22 220
0.1 5600P 1
RESET
48 PLLF BLKCK 13
SW
CN702
47 DSLF
SQCK 14
R741
R711
R709
46 DRF SUBQ 15
82K
47K C745
47K
45 IREF DMUTE 16
1000P
44 ARF
STAT 17
C716
43 WVEL
/RST 18
820P
3
42 DSLF2 SMCK 19
R742
41 PLLF2 CSEL 20
220K 5 2
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21
42
S701
RESET SW
TJ702
16 15 1
CRC
CLVS
FCLK
SSEL
FLAG
RSEL
OUTL
RESY
MSEL
/TEST
OUTR
PSEL
IOSEL
AVSS1
IOVDD
AVDD1
BYTCK
IPFLAG
DEMPH
/CLDCK
LDON
BDO
/RFDET
TRCRS
OFT
VDET
RFENV
TE
FE
TBAL
FBAL
VREF
FOD
TRD
KICK
ECS
ECM
PC
TVD
TRV
SCHEMATIC DIAGRAM - 3
: +B SIGNAL LINE : FM SIGNAL LINE : AM SIGNAL LINE
: FM/AM SIGNAL LINE : FM OSC SIGNAL LINE : AM OSC SIGNAL LINE
TUNER/MAIN CIRCUIT
Q101,Q102
2SC2058SPTA
FM IF AMP
C103
TUNER PACK Z120 (ENV17290G1Y)
0.01
CF201
22 J0B1075A0086
2SC2620
D
FM EXT
4P
7 1 3
22P 15P 8P
ANT
C104 R106 C105 R108
1 IFT
2SK238
1 1P G
1000P 470K 1000P 470K
75 OHM
S 2
HVM27
2
GND 2
Q101 Q102
3
150
100uF
6
3 100 16V CF202
0.022
J0B10750077
AM LOOP ANT
4
1 3
4
AM EXT D
5 8P
JK101
ANT 8P
15P
2SC2996
2
8
2.7K G 2P
33P
S
2SC2996
Q106
3P
47P KRA102MTA
TUNER 15V
SUPPLY SWITCH
Q106
Q110 Q110
R139
2SC3311ARTA 22K
R121
DC DETECT SWITCH
22K
C119
560P
R142
6.8K
C139
C142
50V4.7
R141
50V1
6.8K
C141
50V1
R145
100K
24 23 22 21 20 19 18 17 16 15 14 13
IC101 C143
4700
LA1833NMNTLM
FM/AM IF AMP
DET/AM OSC MIX/
FM MPX
IC101
R119
R118
12K
3.3K
3
AM ANT COIL
1 2 3 4 5 6 7 8 9 10 11 12
2 4
5
C147
1 6 1000P
AM OSC COIL
C148
9 8 7
Z101 3
0.01
RLA2Z007-T
4
2
R110
1K
1
R144
120
5 6
Z102
R131
G2BAE0000003
120
R111
390
R128
82
R117
68K
R129
27K
C111
R114
50V4.7
5.6K
C124
100P
C133
C112
27P
0.01
20 19 18 17 16 15 14 13 12 11
IC102
DET_OUT
R152
LC72131MDTRM
TO
0
PLL FREQUENCY SYNTHESIZER
15V
MAIN
DO/ST
CIRCUIT
SD
(2A) ON
C134
1 2 3 4 5 6 7 8 9 10
+7.5V
SCHEMATIC
27P
TGND DIAGRAM-6
1A
R138
3.3K
RCH
TO
CE
MAIN
R130
LCH CIRCUIT
10K
PLLDA (2B) ON
SCHEMATIC
DO/ST
DIAGRAM-6
PLLCLK
1B
330
R109
330
R107
HVM27
HVM27
10K
4P
1P
22P
1uH
100K
10K
470
R104
33K
R105
33K
47uH
8P
18P
100K
33K
220P
1.5M
0.022
100
0.01
C102
R103
C101
16V100
330
220
0.022
330
470K
2SK360
HVM27
0.022
7P
10K
10K
18P
1.2K
100K
C120
16V10
22K
R140
C137
3300P
100K
R146
4700
C144
47K
R120
C115
0.01
C117
0.01
50V4.7
C118
C114
C136
C131
100P
C109
1000P
1000P
50V3.3
68K
0.01
R123
C138
22K
R143
4.7K
R102
C116
0.033
LCH
AM OUT
AM RF IN
OSC OUT
PILOT OUT
AM MIX OUT
OSC
FM IF IN
REG
AFC
AM IF IN
GND
AGC
SD
ST
DET OUT
FM DET
PILOT IN
VCC
MPX IN
STRQ
FM/AM
RCH
MONO
0.01
C106
16V1
C126
C127
16V22
C122
50V1
33
C121
R124
50V0.47
470
R125
50V1
C123
2.7K
R122
8P
C108
R112
100K
X102
1K
470
R126
R127
RLFDFT22DD
C107
0.047
D101
100P
0.1
C132
C125
10K
C130
C129
16V22
R113
C149
6.3V100
6.3V100
B0BC5R00009
82
R151
1K
10K
560
R133
R132
R115
C113
1000P
1K
R116
0.01
C110
AIN
IFIN
FMIN
AOUT
X103
RSXC7M20S05T
XIN
XOUT
CE
VSS
DI
CL
DO
PD
AM
VDD
LW
SDC
AMIN
STRQ
MONO
FM
470
SD
DO/ST
CE
R137
1K
DO/ST
R134
PLLCLK R135
1K
PLLDA
R136
1K
SCHEMATIC DIAGRAM - 4
: +B SIGNAL LINE
: AUX SIGNAL LINE : MAIN SIGNAL LINE
TO
: CD SIGNAL LINE : PLAYBACK SIGNAL LINE
: -B SIGNAL LINE
PANEL CIRCUIT
: RECORD SIGNAL LINE (CP601) ON
SCHEMATIC DIAGRAM-9
MAIN CIRCUIT
CN303
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CR02
1
MOTOR
2
BP1
3
DECK1_H
4
DMT
5
TO
MOGND C253 1000P
DECK 6
CIRCUIT MOT10V MOT10V
7
(CN1001) ON
REC_H REC_H
SCHEMATIC 8
DIAGRAM-11 +15V +15V
9
R353
R352
RECR REC_R 220
C451
10 220 Q411 C452
R474
0.033 0.033
1.5K
RECL REC_L LHPF
11
AGND C251 C252
R274
12
0.033 0.033
1.5K
RHPF
PBR PBR R473
Q211
13
220
Q211
PBL PBL
14
KTC3875GRTA
RHP FILTER
R271 R273
CN304 (HEADPHONE)
12K 220K
Q411
+9.0V KTC3875GRTA
LHP FILTER
R437 R436
R201 Q404 (HEADPHONE)
18K 18K
10K
AUXR
RCH R454
C430 220
L301 R439
8200
J0JBC0000019 4.7K
-9.0V Q204, Q404
AUX
KTC3875GRTA
R438
AUXL LPF FREQ AMP
220K
LCH SWITCH
C435
R401 R443
50V0.68
C431
10K 3.3K
JK300 LO_L
1500P
R237 R236
Q204
18K 18K
R239 C230
4.7K 8200
R238
220K
R243
C235
3.3K C231
50V0.68
LO_R
1500P
VREF+ C433 C432
Q405
8200P 8200P
CHG_CW CHG_CW
14
R442 R440
CHG_HALF CHG_HALF
13 5.6K 4.7K
8V CD8V
12
Q205, Q405
CHG_CCW CHG_CCW C434
R444
11 KTC3875GRTA
50V1
1.8K
HI_L HPF FREQ AMP
R344 22K
CLAMP CHG_AD1
10 SWITCH
CHG_AD2
R345 12K
OPEN
9
TO
SW1 SW1
CD LOADING 8 C233 C232
Q205
8200P 8200P
CIRCUIT PGND
7
(CN1) ON
C326
R240
SW2 SW2 R242
0.47
SCHEMATIC 6
4.7K
5.6K
DIAGRAM-13
DGND
5
R348 220 SW5V
5V
4
C234
R244
50V1
R346 22K
POSITION 1.8K
HI_R
3
12K
R347
BOTTOMSW
2
Q323
R312 R311 D309
PLUNGER
Q308 12 15 RL1N4003S-P
1
Q308
CHG_PLGR
KTA12710YTA
CN309
CURRENT CONTROL
SWITCH
R315
D307 Q309
2.2K
KTC3199GRTA
Q309
D307-D308 VOLTAGE STABILISER
D324
MA2J72800L CD3.3V
Q310
RL1N4003S-P
D308
MOT10V
Q310
Q324 KRA110MTA
Q323
CD ON/OFF
Q324
SUPPLY SWITCH
KRC102STA
KTA12710YTA PLUNGER MOTOR
CD MOTOR SUPPLY SWITCH SUPPLY CONTROL SWITCH
MIC
/CD
BP1
HPL
+9V
HPR
DMT
REC_H
HPGND
MOTOR
PL_GND
MUTE_A
SPEANA
MUTE_H
MIC GND
DECK1_H
RDS_DET
/CD
MUTE_A
MUTE_H
SPEA
REC_H
MIC
DET_OUT
+9V
C319
16V33
C318
220k
R472
16V33
220K
R272
12K
R471
+9.0V
-9.0V
680
680
3.3K
3.3K
C402 C202
100P 100P
R402 R202
0.22
0.22
C401 C201
C331
C332
47K
47K
10K
10K
R341
R342
R340
R343
12K
R441
12K
R241
0.01
10K
C316
R313
1K
R349
100
R314
10K
R350
C315
330
10V33
3.9K
R316
R317
CD3.3V
CD8V
/CD
SW5V
SCHEMATIC DIAGRAM - 5
: +B SIGNAL LINE : MAIN SIGNAL LINE
: AUX SIGNAL LINE
TO
: -B SIGNAL LINE : CD SIGNAL LINE
PANEL CIRCUIT
(CP602) ON
SCHEMATIC DIAGRAM-9
MAIN CIRCUIT
CN302
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
Q203, Q403
R404 R406
R206 R204 KTD1304TA
33 33
33 33 HEADPHONE MUTING
D401
R430
SWITCH Q401
Q207, Q407
MA2J72800L
1K
R207 R205 R208 R408 R405 R407
KTD1304TA
33 33 3.3K 3.3K 33 33
MUTING SWITCH
Q203 Q403
R433
4.7K Q401
Q407
R460 KTC3875GRTA Q207
0 AGC CONTROL
R499 R455 R255
R426 0 100K 100K
3.3K
C421
R423
16V10
2.7K
C429 C427 C426 C425
R428
50V1 16V10 47 100P
2.2K
1 2 3 4
R435
OUT1 -IN1 +IN1 GND
1.5K
Q402
Q202, Q402
KTD1304TA
MUTING SWITCH IC301
R235
1.5K
Q202
VCC OUT2 -IN2 +IN2
8 7 6 5
C221
R223
C226 C225
16V10
2.7K
C227 47 100P
R254 C229 R228
16V10
220 50V1 2.2K
IC301
R260
R227
C0AABB000117
0
Q301
56K
HEADPHONE AMP
Q201 D201
R230 Q201
MA2J72800L
1K
KTC3875GRTA
AGC CONTROL
Q301
R233
KRA102STA 4.7K
AUDIO MUTING
CONTROL SWITCH
R324
100
PLLCE
R322
R334
100
PLLDA
10K
R320
100
PLLCLK R335
10K
R336
10K
Q320 Q321 Q322
R327
10K
R333
R328
10K
5.6K
R329
Q321
5.6K
KRC101STA
R330
SUBQ INTERFACE SWITCH
R339
5.6K
C321
4.7K
1000P R331
CD3.3V Q320
5.6K R338
4.7K KRC101STA
CD7.5V
BLKCLK INTERFACE SWITCH
R337
4.7K
Q322
TX
C325
KRC101STA
CDR 100P
CD STATUS INTERFACE SWITCH
C324
CDL
100P
C323
100P
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CN310
TO
SERVO CIRCUIT
(CN702) ON
SCHEMATIC DIAGRAM-2
SD
SW1
SW2
LM_L
LM_R
SUBQ
SW5V
AGND
LED9V
VREF+
D.GND
PLLCE1
/CDRST
STATUS
BLKCLK
MOT10V
DC_DET
CHG_CW
ASP_DAT
ASP_CLK
/RESTSW
MLD/PLLCE
1
R403
1
R203
LM_L
PLLCE1
SD
PLLCE
SW5V
LM_R
MOT10V
CHG_AD2
CHG_AD2
CHG_AD1
CHG_AD1
/RESTSW
SW1
SW2
CHG_PLGR
CHG_PLGR
CHG_HALF
CHG_HALF
CHG_CW
CHG_CCW
CHG_CCW
DC_DET
VREF+
PLLDA
MDATA/PLLDA
ASP_CLK
ASP_DAT
BLKCLK
PLLCLK
MCLK/PLLCLK
LED9V
SUBQ
ST/D0/SQCK
ST/D0/SQCK
/CDRST
STATUS
-9.0V
1.5K
1.5K
R456
R256
100K
R431
C428
16V10
12K
C403
R429
1000P
C203
1000P
2.2K
R432
1.5K
1.5K
R409
R209
47K
R427
0
R299
C440
1000P
47K
R425
0.15
4.7K
C422 R424
50V1
C224
0.15
C222
R234
R434
100K
100K
47K
R225
0.01
0.01
C312
C313
4700
4700
C223
C423
C240
1000P
4.7K
R224
3.3K
50V100P
R226
C424
12K
R229
2.2K
R232
56K
2.2K
R318
R310
C309
27K
50V4.7
R309
100K
R231
C228
16V10
MUTEA
+9.0V
-9.0V
SUBQ
SW5V
/CDRST
BLKCLK
STATUS
/RESTSW
ST/DO/SQCK
R321
100K
R323
100K
4.7K
R326
1K
D322
MA2J72800L
D320
MA2J72800L
D323
MA2J72800L
D321
MA2J72800L
R332
R325
100K
C320
1000P
C317
1000P
1000P
/REST SW
LCH OUT
CDAGND
RCH OUT
CD3.3V
CDDGND
LD_SW
TX
+7.5V
PGND
MCLK
C322
MDATA
MLD
SPEED
BLKCK
SQCK
SUBQ
STAT
RST
SCHEMATIC DIAGRAM - 6
: +B SIGNAL LINE
: AUX SIGNAL LINE : MAIN SIGNAL LINE
: -B SIGNAL LINE
: CD SIGNAL LINE : PLAYBACK SIGNAL LINE
: FM/AM SIGNAL LINE : RECORD SIGNAL LINE
MAIN CIRCUIT
D301
B0BC7R500001
TGND
TO
15V 15V
TUNER
DET_OUT DET_OUT
CIRCUIT
R416
R302 10K
ST/DO/SQCK
DO/ST
(1A) ON
100K
R411
R415 SD SCHEMATIC
SD
5.6K
R417
47K
DIAGRAM-3
8.2K +9V +7.5V
C404
R303
C405 2A
220P R217
27
220P
8.2K
R211
R215 R216
5.6K
47K 100K
R212
R218
1K
C204
RCH
C205 56K
220P
220P
TO
R301 4.7K CE
R304
TUNER
LCH
10K
SPEA
CIRCUIT
PLLDA
(1B) ON
R418
DO/ST
SCHEMATIC
56K
C303
1000P PLLCLK DIAGRAM-3
R213
2B
47K
R413
PLLCE1
47K
PLLDA
PLLCLK
C310 6.3V100 C304 50V1
1
REF IN SUR1 42
R305 6.8K
C311 6.3V100
2 SUR2 41
REF OUT
+9V
C406 16V10 C206 16V10
3 IN A1 IN A2 40
16V10
C407 16V10
C207
4 IN B1 IN B2 39
D304
R357
C408 16V10 C208 16V10
FAN
22K 5 1N C1 IN C2 38 1
DC_DET DC_DET
2
C409 16V10 C209 16V10
AUXR
37
6 IN D1 IN D2 R319
MUTEH MUTE_H
Q302
3
C306 0.15 C329 MIC
16V10 2.2K
+15V +15V
7 VCUT 36
MIC IN
4
HI_L HIGH_LIN
C412 16V10 C212 16V10
5 TO
8 REC1 REC2 35
R356 R458 R258
HI_R HIGH_RIN POWER
100 0 0 6
C411 16V10 C211 16V10
CIRCUIT
9 A_VOLIN1 A_VOLIN2
34
A_GND
7 (CN500) ON
C413 50V0.47 50V0.47 LO_L LOW_LIN SCHEMATIC
C213
R355 TBI2
10 TBI1 33
8
R419
4.7K R219 DIAGRAM-12
1.5K LO_R LOW_RIN
1.5K
C414 50V0.47 C214 50V0.47
9
TBO1
11 TBO2 32
IC300
SURR
10
C215 0.15
C415 0.15
12 TMI1 TMI2 31
R420
R220 SUBW
11
3.9K
3.9K
C416 0.15 C216 0.15
T GND
13 TMO1 TMO2 30
12
D303 CN300
C217 1500P
C417 1500P
14 TT1 TT2 29
Q302
C418
16V10
C218 16V10
KTC3875GRTA 15 TOUT1 28
TOUT2
CD7.5V P GND
VOLTAGE REGULATOR
1
16 B_VOLIN1 27
BVOLIN2 D GND
2
C419 0.47 C219 0.47
uP GND
D306
17 BB_A1 BB_A2 3
26
IC300 C420 0.47 4
C220 0.47
18 BB_B1 BB_B2 25 TO
C1BB00000747 R222 CD8V CD8V
5 POWER
AUDIO SOUND PROCESSOR R422 560 560
OUT1
19 OUT2 24 D305 CIRCUIT
C305
6
D302 (CN501) ON
10V220
20 VCC 23 FAN SCHEMATIC
GND 7
R307
LED9V DIAGRAM-12
LED9V
2.2K
ASP_CLK
8
21 DATA 22
CLOCK
MOT10V MOT10V
9
R308
+9V
2.2K ASP_DAT +9V
10
-9V -9V
11
SW5V SW5V
12
D302
CN301
B0ACCK000005
D303-D305
B0ADCJ000020
D306
RL1N4003S-P
0.01
C302
D301
CDL
REF
PBL
CDR
PBR
AUXL
REC_L
REC_R
82
1K
1K
R410
R214
R414
82
R210
1K
R412
C301
1000P
68K
R221
68K
R421
100P
C307
100P
C308
REF
SCHEMATIC DIAGRAM - 7
: +B SIGNAL LINE : MAIN SIGNAL LINE
PANEL CIRCUIT
SYS6V
R600
K1
4.7K
VREF+
R601 R602
R603 R604 R605
R681 PL2
1K 1K
1.2K 1.8K 2.2K
10K PL1
H_DECK1
IC601
R623 4.7K SW5V
C1BB00000574
I/O EXPANDER REC_H
C636
0.1
R622 4.7K
BP1
MOTOR
/CD
16 15 14 13 12 11 10 9
IC601
R611 R610 R609 R608 R607 R606
68K 22K 10K 6.8K 4.7K 2.7K
1 2 3 4 5 6 7 8
MUTEH
MUTEA
C634
DMT
100P
LED9V
C635 R614
D609
TACT SWITCH CIRCUIT
100P 1K
B3AAA0000583
SER4
R613
1K
SER3
R905 R904 R903 R902 R901
HP_SW
2.2K 1.8K 1.2K 1K 1K
CN900
MICSW_1
MICSW
8 8
K2_1 K2
K2
7 7
D.GND D.GND
6 6
R906 R907 R908 R909 R910
2.7K 4.7K 6.8K 10K 22K
5 5
VJOG_B
VJOG_B
VJOG_B
4 4
VREF+ VREF+
VREF+
3 3
VJOG_A
VJOG_A VJOG_A
2 2
1 1
LM_R/SPE
IC603
CP900
3
C1BB00000086
C901
SP_C
SPECTRUM ANALYSER
100P
R913 SP_B
2
47K
C902
SP_A
100P
1
18 17 16 15 14 13 12 11 10
VR600
EVEKE2F3524B
JOG VOL
IC603
1 2 3 4 5 6 7 8 9
DVREF+
R675
4.7K C658 50V0.1 SPEA
R677
1K RDS_CLK
LML/RDS_DAT
C627
0.01
IC604
C1BB00000715
16 15 14 13 12 11 10 9
RDS DEMODULATION LSI
C626
1000P
C625
6.3V47
IC604
L605
G0C101JA0030
SW5V
1 2 3 4 5 6 7 8
C630
560P L606
G0C101JA0030
R679
1K
DET_OUT
L604
1
L602-L604
7
C619
ELEXT101KA04
0.047
C621 C620
6
0.022 0.022
L603
HPR
HEADPHONE 3
L602
HPL
2
HP_SW
5
4
JK601
100
D600
R612
B3AAA0000583
REC
S601
S604
S605
S602
S603
SSEQ
POWER
DECK 1/2
PRESET EQ
OPEN/CLOSE
CD5
CD1
H1
CD4
CD2
S607
S606
CD3
S608
S611
S610
S609
/CD
1PL
4.7K
R617
4.7K
4.7K
R619
R618
NC
GND
VCC
DAT
2PL
CLK
DMT
BP1
MUTE_A
1M
SSEQLED
REC
MUTE_H
1.2K
R687
FF
CD
S905
S904
S902
REW
S903
S901
STOP
TUNER
10K
R900
AUX
S906
TAPE
S909
S907
S910
S908
DECK2
DECK1
DISPLAY
47K
R912
0.01
C656
A
COM
B
NC
SEL
GND
TEST
C660
C661
100K
R680
50V0.1
50V0.1
BIASC
VREFC
AOUT
RREFC
NC
DIFOUT
NC
NC
CIN
C
AIN
B
VCC
A
0.01
C657
C659
50V0.1
100K
R676
47P
C628
VSSD
VDDD
MODE
X603
H0H433400001
VREF RDS-ID/READY
MPXIN
RDCL
VDDA
RDDA
VSSA
RST
FLOUT
CIN
TEST
XOUT
XIN
C631
50V10
330P
C632
C633
50V10
47P
C629
SCHEMATIC DIAGRAM - 8
: +B SIGNAL LINE : -B SIGNAL LINE
PANEL CIRCUIT
FL600
R656 R657
A2BD00000061
47 47
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
C642
C641
35V22
35V22
R660 100K
R661 100K
R662 100K
R663 100K
R664 100K
R665 100K
R666 100K
R667 100K
R668 100K
R669 100K
R670 100K
R671 100K
R672 100K
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
D608
B0AACK000004
81 REG8/GRID8 SEG31 50
82 REG7/GRID7 SEG32 49
D605
83 REG6/GRID6 48
B0AACK000004 SEG33
84 REG5/GRID5 SEG34 47
85 REG4/GRID4 SEG35 46
D602
86 REG3/GRID3 45
B0AACK000004 SEG36
87 REG2/GRID2 SEG37 44
43
88 REG1/GRID1 PHOTO_02
R626
89 VEE PHOTO_01 42
IC600
1K
41
90 REG_IN CDRST
C2BBGF000405
R627 C603 91 EE_CS SYSTEM MICROPROCESSOR 40
/RESTSW
22K 330P
92 SER4 (EE_CLK/EX1_CLK) CHG_SW1 39
93 SER3(EE_DAT/EX1_DAT) CHG_SW2 38
C648 560P
94 SER2(ASP_CLK) CHG_PLGR 37
C647 560P
95 SER1(ASP_DAT) CHG_HALF 36
C646 560P
96 SP_C CHG_CW 35
97 AVSS CHG_CCW 34
R637 1K
C645 560P
98 VREF 33
DCDET
R636 10K
C602 0.1 SP_B SYNC 32
99
SP_A
100 MLD/PLLCE 31
10V22
C601
C649 560P
C650 560P
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
C651 1000P
C652 560P
C605
C653 560P
6.3V100
C654 560P
C655 560P
C606
0.1 R641
R642
4.7K
4.7K
C612
68P
C600 Q602
R630
10V1000P
680
C611
X601
68P
Q601
C617
18P
R643
10M
L600 X602
RLQB3R3KT-1Y
C622 0.022 C618
R644
15P
330K
C624
C623 330P
330P
R674 22K
X602
Q601-Q602
H0A327200073
X601 KTC3199GRTA
RSXZ4M19B01T BPF OSCILLATOR SWITCH
R673 22K
D611
1SS380TE-17
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG11
SEG10
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
R9/SEG1
R10/SEG2
DECK1
DECK2
KEY1
KEY2
CHG_AD2
CHG_AD1
STATUS
LVL MTR L/RDS_DAT
LVL MTR R/SPE_IN
ST/DO/SQCK
SD
SUBQ
RDS_CLK
PCONT
CNVSS
/RESET
XCOUT
XCIN
VSS
XIN
XOUT
VCC
MBP1
MBP2
MCLK/PLLCK
MDATA/PLLDA
RMT
BLKCK
VJOG_A
VJOG_B
100
R616
R633
100
R632
10K
R699
1K
R634
100
R635
1K
R640
680
47K
C604
0.01
R631
D610
56P
C616
C614
1000P
MA2C72300F
C613
56P
C615
1000P
100
R615
100
D611
R628
RMT
K1
K2
R629
100
PLLDA
VJOG_B
PLLCLK
BLKCLK
SYS6V
SP_B
SP_A
LM_L/RDS_DAT
SP_C
VJOG_A
DECK2
SER3
ASP_DAT
SER4
VREF+
ASP_CLK
EE_CS
PLLCE
STATUS
LM_R/SPE
SUBQ
CHG_AD2
CHG_AD1
DECK1
SD
RDS_CLK
PCONT
ST/DO/SQCK
SCHEMATIC DIAGRAM - 9
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
PANEL CIRCUIT
FL2
1
-VP
2
FL1
D613 L601 Q603 Q604
3
TO
B0BA5R600016 G0C100JA0030
KTA1267GRTA KTA1267GRTA
4
TRANSFORMER
VREF SUPPLY SWITCH DECK SUPPLY SWITCH
SYS6V SYS6V CIRCUIT
5
(CN951) ON
C640
PCONT
PCONT
50V3.3 6
SCHEMATIC
Z600
SYNC SYNC DIAGRAM-13
B3RAB0000025
7
REMOTE SENSOR
R654 470K
D612
D.GND
8
R653
1SS380TE-17
4.7K D.GND
O VDD G 9
1 2 3
Q604
DVREF+
H600/
C638 C637
W600
1000P 0.01 R651
R655 10K
R652
47 Q603
VREF+
1K
VREF+
C639
6.3V47
Q605
RMT
Q605
KRC102MTA
SW5V PCONT SWITCH
Q609
R648 R647
5.6K 22K
D616
REC_H 1
B0AACK000004
Q609
KRA102MTA 2
SUPPLY CONTROL
SW5V
SW5V
SWITCH 3
(REC_H: HIGH) REC_01
PLLCE
MLD/PLLCE
4
SD
SD
Q608 5
PLLCE1
6
Q608
MOTOR
KRA102MTA
D.GND 7
MOTOR ON/OFF
STATUS STATUS
SWITCH
8
/CDRST /CDRST
9
MOT_01
ST/DO/SQCK ST/DO/SQCK
10
SUBQ SUBQ
PHOTO_2
11
PHOTO_1
LED9V LED9V
12
CDRST
PLLCLK PLLCLK
/RESTSW 13
BLKCLK BLKCLK
SW1
14
TO
SW2
ASP_DAT ASP_DAT
15 MAIN CIRCUIT
CHG_PLGR
ASP_CLK ASP_CLK
(CN302) ON
16
CHG_HALF
SCHEMATIC
PLLDA MDATA/PLLDA
CHG_CW
17 DIAGRAM-5
CHG_CCW
VREF+
VREF+
18
DC_DET
DC_DET DC_DET
19
R638 470 SYNC
CHG_CCW
CHG_CCW
20
CHG_CW CHG_CW
21
CHG_HALF
CHG_HALF
22
D617 CHG_PLGR
CHG_PLGR
23
B0AACK000004
VREF+
Q600 SW2 SW2
24
C610
SW1 SW1
50V2.2 25
Q600
/RESTSW
/RESTSW
26
KRC103MTA
CHG_AD1 CHG_AD1
POWER RESET SWITCH
27
CHG_AD2 CHG_AD2
28
AGND
29
MOT10V MOT10V
30
Q614-Q615
D615 B0AACK000004 CP602
R659
KTA12710YTA
100K
PLUNGER ON/OFF
/CD /CD
SWITCH 1
R920
PL1
MUTEH R649 150 D614 B0AACK000004 MUTEH
10K 2
PPHOTO_1
PL2
MUTEA MUTEA
3
R916
Q613
100K
Q612 HPL HPL
4
R689
MOT10V
22K
HP_GND
5
Q614
R698
R693
HPR HPR
R917
1K R692 6
22K
56K
2.7
REC_01 REC_H
7
Q615
SPEA SPEANA
8
R911
MIC_GND TO
R919
100K 9
10K
MAIN CIRCUIT
PPHOTO_2 MIC
10 (CN303) ON
Q610
R921
SCHEMATIC
Q611 10K +9.0V
11
DIAGRAM-4
DET_OUT RDS_DET
DECK1
12
DMT DMT
R688
13
2.7
DECK2 H_DECK1 DECK1_H
14
BP1 BP1
15
Q610-Q613
MOT_01 MOTOR
16
KTC3199GRTA
PHOTOCURRENT AMPLIFIER PL_GND PL_GND
17
10 9 8 7 6 5 4 3 2 1
CP601
CP600
TO DECK MECHANISMCIRCUIT
(CN971) ON SCHEMATIC DIAGRAM-11
470K
R650
22K
R639
100K
R658
100P
C609
100K
R645
C608
50V1
C607
R646
100P
100K
DVREF+
1K
R691
47
R918
47
56K
R915
R914
22K
12K
R923
R924
DECK_2
PPL2
GND2
PPL1
PPHOTO_2
HALF_PB
PPHOTO_1
DVREF+
MODE_PB
PL_GND
SCHEMATIC DIAGRAM -10
: +B SIGNAL LINE : PLAYBACK SIGNAL LINE
: -B SIGNAL LINE
: RECORD SIGNAL LINE
DECK CIRCUIT
R1038 R1039
R1055
4.7K 15K
2.2K
C1044
10V33
1 1
L
C1032
L 2 2
IC1001
0.018
PLAYBACK
AN7348S-E1
3 3
HEAD
P.B EQ/REC AMP/
R
ALC/TPS AMP
4 4
C1046
10V220
5 5
R
CS1001
C1040
16V10
24 23 22 21 20 19 18 17 16 15 14 13
IC1001
10
1 2 3 4 5 6 7 8 9 10 11 12
RECORD/PLAY
HEAD
1 1
2 2
L
3 3
4 4
R C1033
0.018
5 5
ERASE
HEAD CS1002
4
R1035
5
10k
3
11
IC1004 IC1004
12
C1AA00000612
R/P SELECT
1 2 3 4 5
Q1004-Q1005
L1001
L1002 G0C470JA0030
B1AAGC000007 C1014
7L1A62N
BIAS OSCILLATOR 1000P
6 3
R1012
4.7K
5 2
Q1004
4 1
Q1005 R1013
4.7K
Q1001 Q1003 R1004
1.5K
C1013
1000P
C1001
C1010
0.01
25V100
R1006
1K
D1003 D1004
R1003
B0ACCK000005 B0BC3R700004 Q1007
10K
C1008
50V1
Q1001 Q1003
Q1007
KTC3875GRTA B1AAGC000007
SWITCHING SWITCHING KTC3875GRTA
(BEAT PROOF) (RECH) BIAS OSC CONTROL
220P
10K
R1098
C1034
50V3.3
4.7M
C1043
R1029
50V4.7
0
R1040
220
C1030
R1015
10V100
47
C1038
R1090
3.9K
R1018
0.033
C1036
16V10
C1056
1000P
C1015
1000P
10K
C1012
R1032
8.2K
R1017
NF
EQ
CUT
VCC
ALC T
INPUT
INPUT
TAPE A
TAPE A
PB AMP
PB AMP
PB AMP
OUTPUT
REC OUT
470
ALC LOW
18K
CRO/NOR
C1020
R1009
1000P
C1019
TAPE B
INPUT
PB AMP
PB AMP
EQ
PB AMP
OUTPUT
AB SW T
REC IN
REC IN
REC OUT
REC/PB SW
AB SW
HI/LO
RIPPLE
FILTER
OUTPUT
GND
TAPE B
INPUT
3.9K
R1019
NF
100
C1041
16V10
R1030
C1031
10V100
220P
10V22
C1039
C1045
18K
47
R1010
10K
50V3.3
1000P
1000P
C1027
C1023
R1016
R1022
C1035
C1037
50V3.3
470
C1021
8.2K
27K
R1028
1000P
C1022
C1042
16V22
R1031
1
R1001
VCC
SW
GND
CTRL2
CTRL1
2.2
C1002
1K
4.7K
10V47
R1005
C1009
R1026
50V1
C1006
4.7K
R1014
C1007
4700P
0.047
C1011
0.01
C1018
1500P
C1003
4.7
R1007
2200P
C1017
2200P
C1016
C1026
6.3V47
10K
R1011
SCHEMATIC DIAGRAM - 11
: +B SIGNAL LINE : PLAYBACK SIGNAL LINE
TO
: -B SIGNAL LINE
: RECORD SIGNAL LINE
MAIN CIRCUIT (CN304) ON
SCHEMATIC DIAGRAM-4
DECK CIRCUIT
CN1001
14 13 12 11 10 9 8 7 6 4 3 2 1
5
Q1017
KTD1146YTA
50V3.3
C1054
MOTOR SWITCH
C1064
50V3.3
R1091
2.2K
R1094 C1051
R1049
1K 50V1
1M
R1092
2.2K
Q1020 C1048
50V1
R1093
1K R1056 R1058
Q1014
220 2.7K
Q1020-Q1021
KTD1304TA
Q1021
R1084
MUTING SWITCH
2.2K
R1047 1 1
1K
R1050
M
Q1017
2 2
Q1012 1M
C1052
R1086
C1047 50V1
W1002
2.2K
50V1
Q1015
R1061
0
Q1013
Q1014-Q1015
Q1012-Q1013
B1ABCF000011
KTD1304TA
BUFFER AMP
MUTING
Q1016
Q1016
KRA102STA
DECK MUTING SWITCH
MECHANISM CIRCUIT
IC971
R972 D971
CNB13030R2AU
820 MA2C16500E
PHOTO INTERRUPTER
PL970
RECINH_F
S975
HALF
S972
MODE
MODE
S971
D1_CRO2
PL
GND
PHOTO_T
R973
39K
HALF
STBY_5V
VREF_GND
PHOTO_S
7 6 5 4 3 2 1
PL2
1
PL1
2
STBY_5V
Z971 3
RGSD12A1445T
PL_GND
4
TO
IC951 AD_OUT
PANEL
5
CNB13030R2AU CIRCUIT
PHOTO_PB
PHOTO INTERRUPTER
6
(CP600) ON
S951
MODE
PHOTO_RP
MODE SCHEMATIC
7
D1_CRO2 DIAGRAM-9
HALF_PB
8
VREF_GND
S952
PL
9
HALF
MODE_PB
GND
10
PHOTO_T
CN971
HALF
STBY_5V
VREF_GND
PL971
R952
820
D951
MA2C16500E
R953
39K
+B
BP1
DMT
MO+B
REC_H
AFGND
RECINL
MOTOR
RECINR
MOGND
PBOUTL
PBOUTR
DECK1_H
10K
R1097
100K
R1095
2.2K
R1057
390
R1060
100K
R1096
220
1000P
R1051
C1049
680
680
R1054
R1053
C1053
16V220
100K
R1045
47K
R1085
1K
R1048
47K
100K
R1046
R1087
1000P
C1050
220
R1052
C1055
50V0.1
10K
R1059
_5V
_F
_R
HALF
STBY
VREF
_GND
MODE
RECINH
RECINH
AD_OUT
SCHEMATIC DIAGRAM - 12
: +B SIGNAL LINE : -B SIGNAL LINE : MAIN SIGNAL LINE
POWER CIRCUIT
IC501
IC501
RSN315H42-P
POWER HIC
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
E501
C448 C248
0.01 4700P
C501 L401
0.01 L201-L202,L401-L402
G0AR76Y00001
R453
10
1 +
HIGH
2
+
CHANNEL
R253
SPKR_L_GND
SPEAKER
10 3 -
SPKR_R_GND
L201
4 -
JK951
R250
68K
L202
C242 C243 R254
C244 R255
820P 15P 10
0.047 10
SPKR_L_GND
1
R450 68K C444 R455
SPKR_R_GND
2 LOW
C442 R454 0.047 10 CHANNEL
820P 10 3 SPEAKER
C443
L402
15P 4
R249
JK952
68K
C447 0.047
C240
C241
820P
15P
C247 0.047
C440
R449
820P
68K
C441
15P
FAN
1
DC_DET Q512-Q513
2
B1AAGC000007
MUTE_H
3 DC DETECT SWITCH
+15V
4
HI_L
Q513
TO 5
MAIN HI_R
6
Q512
CIRCUIT
A_GND
(CN300) ON 7
SCHEMATIC
LO_L
8
Q501
DIAGRAM-6
LO_R
KTC2026
9
Q514
10V VOLTAGE REGULATOR
10
Q502
KTA1046
11
VOLTAGE SUPPLY SWITCH
T GND
12
Q505
CN500
KTA1267GRTA
1
CURRENT CONTROL SWITCH
R503
VCC+
12K
2
VCC-
TO
3
TRANS-
4
FORMER
AC GND
R509 R508 R507
CIRCUIT
5
330 330 330
(CN950) ON
6
SCHEMATIC
Q514
ACIN
Q503 DIAGRAM-13
7
B1AAGC000007
KTC2026 HEADPHONE
Q501
SUB B
8
15V VOLTAGE REGULATOR MUTING SWITCH
9
SUB+B
R511 R510
GND
560 2.7K C504 H950/
D501
0.01 W950
Q504 R512
P GND Q508
2.7K
1 KTA1046
R514
B1AAKD000009 CURRENT STABILISER
3.3K
D GND Q505
2 5V VOLTAGE REGUALTOR SWITCH
uP GND Q502
C505
3 Q506 D501
16V100
B0BA9R600002
Q507
KRA110MTA
4 D502
R533
CURRENT LIMITING SWITCH KTC3199GRTA R516 R515
B0BA01500003
TO
CD8V 400
(SHORT CIRCUIT PROTECTION) 10V VOLTAGE REGUALTOR 15 27
5
D504
MAIN
B0AACK000004
CIRCUIT 6
(CN301) ON
R524 Q503 C530
7
E500
SCHEMATIC 2.2 0.18
LED 9V R521 R520 R519
R518 R517
DIAGRAM-6
8
2.7 2.7
2.7 2.7 2.7
MOT10V
Q508
9
D505
+9V
10
1T3T
C513 C510 R523
Q504
-9V 25V10 25V100 470
11
C514
SW 5V D504
0.01
12 Q506
CN501
R530
D508
R532
D507 D506
1.2K
B0BA5R600016 Q507
150
1T3T 1T3T
R529
C512 D509
330
25V33 B0BA9R600002
-VD
+VD
-IN 2 1
-IN 2 2
IN GND
-IN 1 1
-IN 1 2
OUT GND
-VCCM
OUT 1 2
AC DET
OUT 1 1
OUT 2 2
-VCC 1
+VCC 1
OUT 2 1
+VCC 2
-VCC 2
C445
0.047
C446
C246
0.047
0.047
10K
R501
10
0.047
10
R256
C245
R456
56K
HOUT_GND
R451
R251
150K
R252
100K
R452
220K
3.3K
100K
R506
C503
C502
1000P
6.3V220
R445
R245
3.3K
R447
3.3K
R247
3.3K
15K
22K
R502
47K
47K
R504
R446
R505
R246
15K
R448
15K
R248
15K
D513
B0AACK000004
C540
C520
50V2200
50V2200
C508
16V10
D502
C507
16V10
C_GND
3.3K
0.01
R513
C506
0.01
3.3K
C509
R522
2.2
2.2
2.2
R525
R526
R527
D503
10K
0.01
B0BA01400041
C511
R528
2.2K
R531
-
-
+
+
SCHEMATIC DIAGRAM - 13
: +B SIGNAL LINE : -B SIGNAL LINE
TRANSFORMER CIRCUIT
D950-D953
1N5402BM21
VCC+
1
2
D952 D950
VCC-
3
TO
POWER C960
4
0.1
CIRCUIT
AC GND
5
(H950/
W950) ON D953 D951
6
T950
SCHEMATIC
AC_IN
ETP76VMT61WA
RL950
7
DIAGRAM-12
RSY0040M-0
SUB B
8
D954-D957
1 2
SUB+B GND
1T3T
9
D954 D955
CN950 3 4
D956 D957 FP950
D965
4000
1T3T
Q951
C959
2SB621ARSTA 0.01
C950
VOLTAGE REGULATOR
25V2200
(-VP)
D959
R959 C955
Q951
1T3T
4.7 50V100
Q953
B1AAGC000007
FP951
C956 POWER CONTROL
D958 1000
63V100 SWITCH
1T3T
R961
C957
D960
150
100V10
MTZJ27ATA
Q953
FL2
1
-VP
2
FL1
R951
3
3.3K
SYS6V
TO
4
PANEL
SYS6V
5
CIRCUIT
F1
PCONT
(H600/ 250V 1A
6
D961-D963
W600) ON
SYNC
B0EAKM000085
D966
7 R956 R955 R954
SCHEMATIC FC1 FC2
D963
B0EAKM000085
10 10 10
D_GND
DIAGRAM-9
8
Z950
ST_GND
ERZV10V511CS
9
Q950
CN951 Q952
Q950
L950
KRC102MTA
KTC3205YTA C951
T951
ELF15N035AN
SYCHRONISING
SYSTEM 6V 0.01 JK950
G4C2AAJ00005
SWITCH
VOLTAGE REGULATOR
1 3
230V-240V
C952
Q952 C963
R958 50Hz
D964
10V47
35V4.7
10K
B0BA6R600008
2 4
IC1
C0GAM0000005
MOTOR DRIVE
10 9 8 7 6 5 4 3 2 1
C2
C1
0.01
16V100
M
R1 1K
RM1
D2
B0BA4R60003
CD DETECT
L
Q1
CIRCUIT 1
PLUNGER
2
W2 W2
BOTTOMSW
3 3 3
POSITION
2 2 4
PSLED
SW4
1 1 5
SW2 D_GND
CD
6
PUSH SW2
TO
7
MAIN CIRCUIT
P_GND
SW1
D1
(CN309) ON
B0CAAD000002 8
PUSH SW1
SCHEMATIC
9
DIAGRAM-4
SW3 OPEN
OPEN
10
CLAMP
11
D1
CCW
4 4
12
DRIVEPOWER
3 3
Q1
13
HALF
B1GACFGG0004
2 2
SW5
POWER SUPPLY
14
CONTROL CW
1 1
LOAD
CN1
W1
CD LOADING
SPINDLE
CIRCUIT
POSITION
CIRCUIT
4.7K
0.01
R960
C958
2.2K
D961
R952
C961
0.01
C953
16V1000P
D962
0.01
10K
C954
R957
S
V
VCC
VREF
NC
NC