Daewoo AKF 4085 djvu

Service Manuał

Car Audio

MODEL: AKF-4085(C) AKF-4086(C)

(With Dolby, AMS) AKF-4087(C) (With LW Band)

AudioTeh.com - Free Schematic Diagrams and Service Manuals

DAEWOO ELECTRONICS CO., LTD

CONTENTS

•    SPECIFICATIONS

•    CAUTION...................................................................................................................... 3

•    BŁOCK DIAGRAM ..................................................................................................... 4

•    ADJUSTMENTS ......................................................................................................... 5-7

•    ADJUSTMENT LOCATIONS ..................................................................................... 8

•    SCHEMATIC DIAGRAM ............................................................................................ 9

•    PARTS LOCATION ON P. C. BOARD ...................................................................... 10-13

•    EXPLODED VIEW (SET) ............................................................................................14

•    PARTS LIST FOR EXPLODED VIEW (SET) ............................................................. 15

•    EXPLODED VIEW (CASSETTE MECHANISM) ........................................................ 16

•    PARTS LIST FOR EXPLODED VIEW (CASSETTE MECHANISM) ......................... 17-18

•    PACKING ILLUSTRATION AND PARTS LIST .......................................................... 19

•    ELECTRICAL PARTS LIST .........................................................................................20-23

•    FUNCTION OF IC ........................................................................................................ 24-26

•    IC BŁOCK DIAGRAM ................................................................................................. 27-29

•    OVERALL WIRING DIAGRAM ....................................................................................30-31

SPECIFICATIONS

**Audio Section

Maximum output power.. 25 watts / Rear Speakers.

7 watts / Front speakers.

Rated output power.......... Front: 4.5 watts / Rear

16watts per channel into 4 ohms (1 kHz, 10% total harmonie distortion)

Signal to Noise ratio Better than 50dB

Load impedance............... 4 ohms

Contro!

BASS/TREBLE................ ± 10dB at 100Hz/10kHz

Frequency response (PRE-OUT)

........................................ 50 to 12,000Hz - 3dB

(AM)

Tuning rangę................. 522 to 1620kHz at Europę

........................................ 530 to 1620kHz at U.S.A.

Usable Sensitivity

...................................... 30dB//V

(LW) : AKF-4087

Tuning rangę................. 153 to 281kHz

Usable Sensitivity

...................................... 35dB//V

**Tape Section

Track format................... 4-track/2-channel system

Tape speed..................... 4.75cm/sec

Wow/Flutter.................... 0.15% nominał (WRMS)

Signal to Noise ratio...... Better than 50dB

**Tuner section

(FM)

Tuning rangę.................. 87.5 to 108MHz at Europę

87.5 to 107.9 MHzatU.S.A. Usable Sensitivity (30dB S/N)

MONO........................... 10dB// (3.2//V / 75 ohms)

Signal to noise ratio (at 60dB/<) ........................................ 60 dB

"General

Power requirements........ DC 12.0V / Rated: 14.4V

(Usable: 10.8-15.6V) Negative ground

Current consumption...... 7A Maximum

Dimenslon (W x H x D).... 188 x 58 x 172mm

7-³/8" x 2-¹/4" x 6.77"

Chassis size.................. 179 x 51 x 147mm

7.05" x 2" x 5.79"

Weight (Net).................... 1.8Kg

• Design and specifications are subject to changes for improvements without notice.

CAUTION-

Do Not Use Endless Tapes

lf an endless tape is used with this unit, the tape will not be wound up properly inside the cassette Shell and, as a result, it will not be possible to use it again.

Also, this unit cannot eject a tape which has been inserted with its reverse side facing up.

# BŁOCK DIAGRAM

ct

UJ

EL °

» ADJUSTMENTS

(DTAPE ADJUSTMENT

Notę : 1. Clean the playback head before adjustment

2.    Prepare the test tape MTT-114 or equivalent

3.    Balance .... Center position. Volume adjusted to 2Volts., Tonę ....Max position

4.    Connections are shown in Fig. 1.

Power Supply    Rear SP Oulput Wire

[ Fig. 1 ]

STEP	SUBJECT	INPUT SIGNAL	MEASURE OUTPUT	SETTING	ADJUST POłNT	ADJUSTMENT
1	Head azimuth adjustment	MTT-114	L or R CH SP output wire VTVM and scope	Playback	Head Azimuth adjustment screw	Tum the azimuth screw to obtain maximum (see Fig. 2)

© AM(MW) ADJUSTMENT

Notę:

1.    BAND-AM(MW)

2.    Balance.....Center position, Tonę .... Max position, Volume adjusted to 2Volts

3.    Connections are shown in Fig. 3

Power Suppiy    Rear SP Output Wire

[ Fig- 3 ]

• AKF-4085 / 86

STEP	SUBJECT	FEED SIGNAL		MEASURE OUTPUT	ADJUST POINT	ADJUSTMENT
		FROM	TO
1	999kHz (9kHz Step) IF Adj.	999kHz, ANT input 30dBu, 400Hz (30%, MOD) AM SSG	ANT jack and GND	L or R CH SP output wire VTVM and Scope	T04.T05 (AM RF Board)	When it is U.S.A Band 603kHz -> 600kHz 999kHz -> 1000kHz 1404kHz -> 1400kHz
2	LOW END freq. Tuning Adj.	LOW END FREQ. ANT input, AM SSG.	-	L or R CH SP output wire VTVM and Scope	T03 (AM RF Board)	Repeat procedures as stated in subject in step 2 & 3 Ref. Fig. 6.
3	HIGH END freq. Tuning Adj.	HIGH END FREQ. ANT input, AM SSG.	-	Between VT point of Fig.6 & Ground of Main Board DC Volt Meter 8V	TC03 (AM RF Board)
4	603kHz (9kHz Step) RF Adj.	603kHz, ANT input 35dBu, 400Hz (30%, MOD) AM SSG.	ANT jack and GND	L or R CH SP output wire VTVM and Scope	T01.T02 (AM RF Board)	Repeat procedures as stated in subject in step 4 & 5 Ref. Fig. 6.
5	1404kHz (9kHz Step)	1404kHz, ANT input 400Hz(30%, MOD) AM SSG.	ANT jack and GND	L or R CH SP output wire VTVM and Scope	TC01 TC02 (AM RF Board)
6	999kHz (9kHz Step) 4.5MHz Adj.	999kHz, ANT input 35dBu, 400Hz (30%, MOD)	ANT jack and GND	VCO(OSC) point of AM Board Freguency counter	TC401 (Main Board)	When it is U.S.A Band 999kHz -> 1000kHz 1404kHz -> 1450kHz 1499kHz -> 1450kHz

Remark : In case of STEP 6 it is possible to add TC401 (Variable Capacitor)

• AKF-4087 LW BAND

BAND	AUGNMENTITEM	TUNING	TEST POSITION	SSG FREOUENCY	AUGNMENT	INDICATOR	REFERENCE
MW	BAND COVER RANGĘ	522 kHz	V.T Point of AM Board	522 kHz	T205	MAXIMUM	Fig. 5
		1620 kHz		1620 kHz	TC203	8 V	Fig. 5
	IF	522 kHz	OUTPUT	450 kHz	T207.T208	MAXIMUM	Fig. 5
	TRACKING	603 kHz	OUTPUT	603 kHz	T201.T203	MAXIMUM	Fig. 5
		1404 kHz	OUTPUT	1404 kHz	TC201.TC202	MAXIMUM	Fig. 5
	4.5MHz Adj. AUGNMENT	999 kHz	VCO(OSC) Point of AM Board	-	TC401 (Main Board)	1499 kHz	Fig. 5
LW	BAND COVER RANGĘ	153 kHz	-	144 kHz	T206	MAXIMUM	Fig. 5
	TRACKING	220 kHz	OUTPUT	220 kHz	T202.T204	MAXIMUM	Fig. 5

Remark : In case of 4.5MHz Adj. it is possible to add TC401 (Variable capacitor)

(3) FM ADJUSTMENT

Notę:    1. BAND-FM

2 Balance.....Center position, Tonę.... Max position, Volume adjusted to 2Volts

3. Connections are shown in Fig. 4

FM Dummy ANT

Power Supply

Rear SP Output Wire

[Fig-4]

STEP	SUBJECT	FEEDSIGNAL		MEASURE OUTPUT	ADJUST POINT	ADJUSTMENT
		FROM	TO
1	IF adjust	98.1 MHz, ANT input 60 dBu, 1KHz (30%, MOD) FM SSG	ANT jack and GND	The voltage between pin 29 and pin 33 of IC101	T101	Adjust for ±0.05V Fig. 7
2	MPX IC Separation Control	98.1 MHz, ANT input 60 dBu, 1 KHz (L+R=45% L-R=45% PILOT=10% MOD)	ANT jack and GND	L or R CH SP output wire VTVM and scope	RV05	LEFT/RIGHT Separation MAX. Fig. 7

Counter

Clockwise

Clockwise

® ADJUSTMENT LOCATIONS

• AKF-4087 MW/LW IF.RF BOARD

[Fig- 5]

• AKF-4085 / 86 IF.RF BOARD

[Fig- 6]

[Fig- 7]

• SCHEMATIC DIAGRAM

# PARTS LOCATION ON PC BOARD

(T1MAIN PCB (Parts Side)

© FRONT PCB ( Parts Side)

© FRONT PCB (Pattern Side)

© POWER PCB ( Parts Side): Front speaker AMP

(s) EVR PCB ( Parts Side)

IC501 ^,05 AKF^-4086 SN>97T65408V

o o o o o ćn ai 01 oi ui ui r

goooo

ftOgJ*

(g) DOLBY & AMS PCB (Parts Side): AKF-4086 only

DAEWOO

I

I

• PARTS UST for EXPLODED VIEW (SET)

Ref	PART NO.		DESCRIPTION
1		97T16053GD	WINDOW LCD ACRYL
2		97T13579GD	KNOBSELECTOR PC
3		97T13580GD	KNOB VOLUME PC
4		97T13575GD	KNOB FUNCTION 3 PC
5		97T13573GD	KNOB FUNCTION 1 PC
6		97T01031GD	CABINET FRONT ABSXR-401
7		97T13569GD	KNOBBAND PC
8		97T1357710	KNOBRELEASE ABSXR-401
9		97T3007100	SPRING KNOB DĘTA PWPI0.3
10		97T13576GD	KNOB POWER PC
11		97T3006900	SPRING KNOB EJ PWPI0.3
12		97T1357110	KNOB FF ABS XR-401
13		97T1357810	KNOB REW ABS XR-401
14		97T13574GD	KNOB FUNCTION 2 PC
15		97T13572GD	KNOB FUNCTION PC
16		97T1357010	KNOBEJECT ABS XR-401
17		97T0422200	COVER LCD ET T0.3
18		—	LCD
19		97T9604310	SHEET LCD TREPALPAPER
20		97T2213400	REFLECTOR LCD PMMA
21		9772304500	HOLDER LCD PC
22		97T0420520	CAP LAMP OPTION
23		97T0420530	CAP LAMP OPTION
24		97T0103010	CABINET BACK PC LEXAN
25		97T13421GD	KNOBPULL ABS XR-401
26		97T3007400	SPRING PULL PWPI0.35
27		97T14085GD	E.S.C ABS XR-401
28		97T2606000	HOOKB STST0.4
29		97T2605700	hookas secc
30		97T18042GD	DOORCASSETTE PC
31		97T3005610	SPRING DOOR STS-304W PI0.25
32		97T4405810	HEATSINKAS ADC 12, SECC
33		97T2424330	BRACKET CONN SECC (ISO TYPE)
34		97T2418830	BRACKET DECK B SECC
35		97T0619730	CHASSIS SIDE SECC
36		97T63019A0	JACK ANT 9.2X15X30mm
37		97T2428730	BRACKET DECK SECCT1.0
38		97T0417700	CAP FF LEVER ABSXR-401
39		97T0417900	CAP EJ LEVER B ABSXR-401
40		97T6007100	DECK MECHANISM SM-909PL(AKF-4085)
		97T6007200	DECK MECHANISM SM-909AL(AKF-4086)
41		97T0423930	COVER TOP SECCT0.6
42		97T0423630	COVER BOTTOM SECCT0.6
43		97T0911410	PU TE INSUL POLYESTER T0.25
44		97T0617830	FRAME MOUNTING SECCT0.6
45		97T2426930	BRACKET 9PIN CONN SECC(9PIN TYPE)

Ref	PART NO.		DESCRIPTION
46		97T2409930	(OPTION, AKF-4086) BRACKET CONN (9PIN TYPE)
47		97T5700530	(OPTION, AKF-4085) STOPPERCORD SBHG1
48		97T6400130	TERMINAL EARTH SECC
P1		97TC072000	PCB MAIN AS
P2		97TC072100	PCB FRONT AS
P3		97TC072300	PCB POWER AS
P4		97TC072200	PCB VR AS
P5		97TC055600	PCB FM ONE CHIP AS
P6		97TC029600	PCB TUNER AS
P7		97TC072400	PCB ISO AS
P8		97TC072500	PCB DOLBY AS
P9		97TC072600	PCB LINĘ OUT AS
S1		7173201212	SCREW TAPPTITE
S2		7173200611	SCREW TAPPTITE
S3		7173300611	SCREW TAPPTITE
S4		7173300611	SCREW TAPPTITE
S5		7173300611	SCREW TAPPTITE
S6		7173300611	SCREW TAPPTITE
S7		7173300611	SCREW TAPPTITE
S8		7173300611	SCREW TAPPTITE
S9		7171301211	SCREW TAPPTITE
S10		7173300611	SCREW TAPPTITE
S11		97T3103610	SCREW LOCK
S12		7003300811	SCREW MACHINĘ
S13		7173300611	SCREW TAPPTITE
S14		7173300611	SCREW TAPPTITE
S15		7173300611	SCREW TAPPTITE
S16		7173300611	SCREW TAPPTITE
S17		7175300611	SCREW TAPPTITE
S18		7173260812	SCREW MACHINĘ
B1		97T3100310	BOLT HEX
N1		7372300211	NUT SOUARE
N2		7391500011	NUT HEX
49		97T0918000	PLATĘ POWER POLYESTER T0.25
50		97T5601100	INSUL-BRK PVC T0.3
51		97T5601200	INSUL-FRONT POLYESTER T0.25
52		97T2431900	BRACKET FRONT SBHGT0.5
53		97T2431400	BRACKET PCB STST0.4

• EXPLODED VIEW (CASSETTE MECHANISM)

• PARTS UST for EXPLODED VIEW (CASSETTE MECHANISM)

Ref.	PART NO	DESCRIPTION
1	R416C1	ASS'Y MAIN CHASSIS-4(P) DL
1-1	0930	SHAFT PINCH ROLLER (R)
1-2	0929	SHAFT PINCH ROLLER (L)
1-3	0922	SHAFT MIDDLE PULLEY
1-4	RL01B0	METAL CAPSTAN (B-2)
1-5	0920A0	PIN GUIDE (B)
1-6	0927	SHAFT F.R LOCK LEVER
1-7	1694	SHAFT F.R LEVER "B2"
1-8	3194A0	SHAFT F.R LEVER(D)
1-9	RF09A0	SHAFT MOVEMENT ARM (B)
1-10	RF10A0	SHAFT CASSETTE LOCK LEVER
2	R406C1	ASS'Y CHASSIS GEAR(P)
2-1	RFO5A0	SHAFT REEL-2
2-2	RF01A0	SHAFT FEED GEAR A-2
2-3	RFO2A0	SHAFT FEED GEAR B-2
2-4	RF03A0	SHAFT FEED GEAR C-2
2-5	RF06A0	SHAFT PROGRAM CAM-2
2-6	RF07A0	SHAFT PROGRAM CAM LOCK LEVER
2-7	RF04A0	SHAFT DRIVING PULLEY-2
3	2365	ASS'Y EJECT LEVER (C)
3-1	RF11A0	SHAFT EJECT LEVER(C-2)
4	2773	ASS'Y EJECT LEVER(A)
4-1	0942	SHAFT EJECT LEVER
5	R417B1	ASS'Y EJECT LEVER "B-3"
6	2003	ASS'Y PINCH ROLLER ARM(R)
7	2002	ASS'Y PINCH ROLLER ARM(L)
8	R409A1	ASS'Y PLAY ARM-2
9	R411B1	ASS'Y BASE HEAD-5
9-1	1961	SHAFT HEAD BASE "B2"
10		ASS’Y REEL
11	RP23B0	HOLDER CASSETTE (B-2)
12	RP21C0	ARM HOLDER CHASSIS(B-3)
13	RP20AO	ARM MOVEMENT(B)
14	RI03A0	LEVER PG CAM STOP
15	RP24A0	GUIDE EJ LEVER(B-2)
16	RP19B0	LEVER CASSETTE LOCK(B-2)
17	RP26A0	LEVER HEAD SLIDE(C)
18	RP25A0	STOPPER HEAD(B)
19	RP01B0	LEVER PLAY IDLER
20	0886AO	LEVER PROGRAM(B-2)
21	0899	LEVER F.R LOCK
22	RP17B0	ARM PROGRAM(B-2)
23	RP47A0	LEVER REW(L)
24	RP47B0	LEVER FF(L)
25	3247	LEVER PROGRAM(A4)

Ref.	PARTNO	DESCRIPTION
26	0918	CAM PROGRAM
27	0915	GEAR PROGRAM SENSOR CAM
28	0916	SENSOR P CAM
29	RJ07A0	GEAR FEED(D)
30	RI10A0	SENSOR REEL"C"
30-1	0907A0	SENSOR REEL"D"
31	RI01A0	PULLEY DRIVING-2
32	RJ01A0	GEAR FEED A-2
33	RJ05A0	GEAR FEED (B)
34	RJ06A0	GEAR FEED (C)
35	0913	PULLEY MIDDLE
36	0908	GEAR PLAY
37	3287	HOLDER GUIDE(B)
38	RI07A0	EJECTOR(B-2)
39		MOTOR
39-1		PULLEY MOTOR
40		HEAD P
41	2991	A'SSY SW SLIDE
42		SWITCH OUICK ACTION
43	1841	A'SSY FLYWHEEL
44	0974	BELT MAIN 1TX122
45	0975	BELT T/U t.2TX20.5
46	0041	SHAFT PLAY IDLER
47	RI08A0	ROLLER SHAFT HEAD BASE
48	0932	COLLAR PROGRAM CAM
49	0962	ROD EJECT
50	0966	SPRING EJECTOR
51	RI02B0	LVR P SENSOR(C)
52	0949	SPRING SENSOR TENSION
53	2733A0	ANGLE SWITCH(B)
54	RS02B0	SPRING REEL D
55	RS05A0	SPRING CASS LOCK LEVER(B)
56	0957	SPRING EJECT LEVER
57	0965	SPRING EJECT LEVER(B)
58	RT07A0	SPRING HEAD SLIDE LEVER(B-2)
59	RS03A0	SPRING HEAD STOPPER
60	RT01A0	SPRING PLAY GEAR ARM(B)
61	RT02A0	SPRING PINCH ROLLER(B)
62	3290B0	PANEL HEAD
63	0953	SPRING SWITCH
64	0958	SPRING LOCK LEVER
65	1835	SPRING F.R LEVER
66	RS04A0	SPRING MOVEMENTARM(B)
67	LW05A0	E-RING 0.4TX2X6.5
68	RR01A0	SCREW COLLAR A-2

Ref.	PART NO	DESCRIPTION
69	2765	SCREW CAMERA T/TITE M2X3
70	1160	SACREW BH/T/TITE M2X8
71	0971	SCREW CAMERA M2X3
72	3289	SCREW PH M3X11
73	3288	SCREW CAMERA W/H M2X9.8
74	1957	SCREW CAMERA M2X5
75	1176	SCREW BH T/TITE M2X3
76	3197	SCREW FH M2X2.7
77	0350	E-RING0.4TX1.5X4
78	2239	E-RING(SPECIAL)0.3TX1.5X3.2
79	3195	SCREW COLLAR(C)
80	RP40A0	PLATĘ PROGRAM
81	0980	P.S.W(C) 0.4TX1.6X3.2
82	2931	P.S.W(C) 0.5T1.6X5

Ref.	PARTNO	DESCRIPTION
83	0989	P.S.W(C) 0.25TX 1.2X4
84	0091	P.S.W(C) 0.35T X 1.2 X 3.5
85	0986	P.S.W(C) 0.3TX 1.6X5
86	0987	P.S.W(C) 0.25T X 1.85 X 5
87	2933	P.S.W 0.35TX 1.85X3.2
88	1830	LEVER F.R LOCK(B)
89		SWITCH MUTE
90	3008	SCREW WH M1.7 X 4
91	RT03B0	SPRING CASSETTE EJECT(B-2)
92	0863	P.S.W(C) 0.25TX 1.2X3
93	RR07A0	SCREW FH T/TITE 2X4
94	RR02A0	SCREW COLLAR B-2
95	RS07A0	SPRING REW LEVER
96	RP40A0	PLATĘ PROGRAM

PACKING ILLUSTRATION and PARTS LIST

» ELECTRICAL PARTS LIST

[ MAIN SECTION ]

Ref	PART NO.	DESCRIPTION	REMARKS
CN305	97T6300400	SOCKET DIN PCB TYPE 8PIN DIN
CF101	5PE107MS2A 5PE107MJA1	FILTERCERA SFE107MS2-A FILTERCERA SFE107MJA -option
CW302	97T62129B0	CONN 14P DETACHABLE PŁUG ANGLE
CT401	5XEZ4R500E	CRYSTAL OUARTZ HC-49/U 4.5MHz 12PF
D430	DS1M191VR-	LED SIM191VR
D105,106,202	DKTZ10B—	DIODĘ ZENER MTZ10V ZENER
IC301	LA3161—	IC LA3161
IC302	1TDA7394—	IC AUDIO POWER TDA7394
IC303	1Z1A78S05P	IC REGULATOR KIA78S05P
IC304	1BA3121 —	ISISOLAION BA3121
IC401	17012GF529	ICCPU u P D17012GF-529-3BE
L201	5LL479K03K	COIL INDUCTOR 4.7uH K 03
L301	5LC102P226	COIL CHOKE EI-24MM 1MH
L302.303	5LL102K03K	COIL INDUCTOR 1000uH K 03
Q101,102,203 Q107,108,201 Q312,313,203 Q314	TZTC3199Y-	TR KTC3199Y
Q104,202	TZ2SD1919R	TR 2SD1919R
Q103,311	TZRC102M-	TR KRC102M
Q105,106,204 0302,303,304 0402,403,316	TZRC111M-	TR KRC111M
0301	TZ2SB1240R	TR 2SB1240R
0305,305,307 0308	TZRC231M-	TR KRC231M
0310	TKTB1366Y-	TR KTB1366Y
0404,315	TZTA1267Y-	TR KTA1267Y
TU001	97T76008P0 97T7600800 97T76010BV	TUNER FM KCF201VA TUNER FM KCF204V *OPTlON TUNER FM KCF201BV-A

[ FRONT SECTION ]

Ref	PART NO.	DESCRIPTION	REMARKS
CN302	97T62129A0	CONN 14P DETACHABLE SOCKET
D901,902,903	D1MN10—B	DIODĘ CHIP IMN10
D904,905,906 D907.908	HDKDS181-E	DIODĘ CHIP KDS181
IC901	1LC75852—	IC DRIVER LC75852
LCD01	97TOL07222 97TOL07225	LCD KXN17142DAN NEGATIVE LCD KXN17140DAP POSITIVE
LD01	DSPR39MVW3	LED SPR-39MVW3
PL01,02,03,04	97T82008B0	LAMP 14V 60MA D3.0
Q901	TKRA111S—	TR CHIP KRA111S
Q902	TKRC112S-	TR CHIP KRC112S
Q903,904	TKTA1663Y-	TR CHIP KTA1663Y
SW01,02,03,04 SW05,06,07,08 SW09,10,11,12 SW13,14,15,16 SW17,18,19,20	5S50101317	SW TACT 1C-1P EVQPJH 04K 160G

[ POWER SECTION ]

Ref	PART NO.	DESCRIPTION	REMARKS
IC801	1TDA1519—	IC AUDIO POWER TDA1519
Q801,802	TZRC231M-	TR KRC231M

[ LINĘ OUT SECTION ]

Ref	PART NO.	DESCRIPTION	REMARKS
IC701	1MC4558C—	IC OP AMP MC4558C
Q701,702	TZRC231M-	TR KRC231M

[ EVR SECTION ]

Ref	PART NO.	DESCRIPTION	REMARKS
IC501	1TDA7318D-	IC AUDIO TDA7318D

[ AM SECTION : AKF-4085 / 86]

Ref	PART NO.	DESCRIPTION	REMARKS
CF01	5PBFU450C4	CERAMIC FILTER BFU 450 C4N
CF02	5PCFM450BL	CERAMIC FILTER AMC FM2-450BL
0201,202,203	DKV1235Z—	DIODĘ KV1235Z
IC201	1DBL1019—	IC DBL1019 ( LA1135 )
Q201	TKTC3199Y-	TR KTC-3199Y
Q202	T2SK117BL-	TR 2SK117BL
Q203	TKTC380-0-	TR KTC-380TM-O
Q204	TKTC3199Y-	KTC-3199Y (2SC2021R)
TC01,02,03	97576501 GO	TRIMMER TZ03R200FR
T01	5LR221J533	COIL RF AM 1
T02	5LR221J534	COIL RF AM 2
T03	5LA121J535	COIL AM OSC
T04	5107AYW143	IFTAM
T05	5107ABK149	IFT AM DET

[ AM SECTION : AKF-4087 (when it is LW BAND ) ]

Ref	PART NO.	DESCRIPTION		REMARKS
CF21	5PBFU450C4	CERAMIC FILTER BFU450C4N
CF22	5PCFM450BL	CERAMIC FILTER AMC FM2-450BL
D01,03,05,06	D1SS133—	DIODĘ 1SS133
D02,04,07	DKV1235Z—	DIODĘ KY1235Z
IC201	1DBL1019—	IC	DBL1019 (LA1135)
L21	5LL220K433	COIL	LAL03NA 220K
L22	5LL560K432	COIL	LAL03NA 560K
Q01,02	TKTC3199Y-	TR	KTC3199Y
Q03	TZSK184BL-	TR	2SK184BL
Q04	TKTC380-0-	TR	KTC380TM-O
Q05	TZSK184BL-	TR	2SK184BL
Q06	T2SC2021O-	TR	2SC-2021O
Q07	TZRC1211 —	TR	KRC1211
TC201,202,203	97576501 GO	TRIMMER TZ03R200FR
T201	5LA238J450	COIL	A7BR-K5562UH-KR
T202	5LA289J448	COIL	126LN-K5081RS-KR
T203	5LA238J451	COIL	A7BR-K5563BOG-KR
T204	5LR289J449	COIL	126LN-K5082RS-KR
T205	5L0128J453	COIL	A7BR-K55650H-KR
T206	5L0298J452	COIL	A7BR-K55640H-KR
T207	5107ABK149	IFT	7MC-K5300N
T208	5107AYW143	IFT	7MC-4505N-KR

[ PCB FM ONE CHIP SECTION ]

Ref	PART NO.	DESCRIPTION	REMARKS
CF02	5PE107MJA1	FILTER CERA SFE10.7MJA10 RED
CN01.02	97T6207006	CONN WAFER 6P CONNECTOR
CR01	5PCSB456F2	FILTER RESON CSB456F23
Q01	TZTC3199Y-	TR KTC-3199Y TAPPING
IC101	1LA1862M—	IC RF LA1862M ( FM IF + N.C + MPX )
T101	5107FBK427	IFT FM 7MM BK 7KL 291BEA-K5387BS

• FUNCTION OF IC

• LC75853 (CONFIGURATION OF KEY MATRIX)

OUT IN	KS1	KS2	KS3	KS4	KS5	KS6
KI1	M1 (MTL)	M2 (DOLBY)	M3 (AMS)	M4 (REPEAT)	M5 (RANDOM)	M6 (INTRO)
KI2	SEEK UP	SEEK DOWN	TUNING UP (TRACK UP) (HOUR UP)	TUNING DWN (TRACK DWN) (MINUTĘ DWN)	MUTE	AUTO MEMO PRESETSCAN
KI3	DISCUP (MUTE)	DISP (TIMER)	LOC	ST/MO	LOUD (ILL.)	POWER ON/OFF
KI4	CD PLY/PAUS (AUX IN)	BAND	TAPE	YOLUME UP	YOLUME DWN	EVR SELECT

A ( ) : Double Function

• UPD17012GF-529-3BE

A OPTION DIODĘ & SWITCHING TR MATRIX

OUT IN	KINO	KIN1	KIN2	KIN3
KS1	DIR ■	TAPE IN ■	TELON ■	-	TR SWITCH
KS2	DTH ■	-	-	-
KS3	-	-	-	-
KS4	(D413) BANDO	(D414) BAND 1	(D415) BAND 2	-	OPTION DIODĘ
KS5	(D417) LW	(D418) TIMER	(D419) 2 COLOR	(D420) CDC/AUX IN
KS6	(D421) DOUBLE 1	(D422) DOUBLE 2	(D423) 12/24 HOUR	(D424) CLOCK USE
KS7	(D428) AUTO 500	-	-	-

• DIODĘ MATRIX DESCRIPTIONS

SYMBOL

DESCRIPTION

BANDO BAND 1 BAND 2

BANDO (D413)	BAND 1 (D414)	BAND 2 (D415)	Area
0	0	0	Europę
0	0	1	USA 2
0	1	0	Mride&NearEast
1	0	0	CHINA
1	0	1	USA 3
1	1	0	USA 1

A Receving frequency, channel spacing intermediate freguency.

ITEM AREA BAND		RECEMNG FREGUENCY	CHANNEL SPACING	INTERMEDIATE FREOUENCY
Europę	FM	87.5 to 108MHz	50 kHz	10.7 MHz
	MW	522 to 1620kHz	9 kHz	450 kHz
	LW	153 to 281kHz	1 kHz	450 kHz
China	FM	87.0 to 108MHz	50 kHz	10.7 MHz
	MW	531 to 1602kHz	9 kHz	450 kHz
Australia, Middle & Near East	FM	87.5 to 108MHz	100 kHz	10.7 MHz
	MW	531 to 1602kHz	9 kHz	450 kHz
USA 1	FM	87.5 to 108MHz	100 kHz	10.7 MHz
	MW	530 to 1620kHz	10 kHz	450 kHz
USA 2	FM	87.5 to 107.9MHz	200 kHz	10.7 MHz
	MW	530 to 1620kHz	10 kHz	450 kHz
USA 3	FM	87.5 to 107.9MHz	200 kHz	10.7 MHz
	MW	531 to 1710kHz	10 kHz	450 kHz

A LW select ( D417 )

A TIMER select ( D418 ) (DISPLAY)

A 2 Color select ( D419 ) ( LOUD KEY)

A CDC/AUX IN select ( D420 ) (CDC KEY)

0    : LW BAND DISABLE

1    : LW BAND ENABLE

0    : TIMER FUNCTION DISABLE

1    : TIMER FUNCTION ENABLE ( DOUBLE FUNCTION )

• see LC75853 key matrix

0    : 2 COLOR ILLUMINATION DISABLE

1    : 2 COLOR ILLUMINATION ENABLE ( DOUBLE FUNCTION)

0    : CDC MODĘ

1    : AUX IN MODĘ

A DOUBLE 1,2 select

SYMBOL

DESCRIPTION

DOUBLE 1 (D421)

DOUBLE 2 (D422)

DOUBLE 1	DOUBLE2	MTL	DOLBY	AMS
0	0	0	0	0
0	1	-	-	-
1	0	0	-	-
1	1	0	-	0

A 12/24 HOUR select ( D423 )    0 : 24 HOUT MODĘ

1 :12 HOUR MODĘ

A CLOCK USE select ( D424 )    0: CLOCK FUNCTION DISABLE

1 : CLOCK FUNCTION ENABLE

A AUTO 500 select ( D428 )    0 : Manuał tuning and auto-tuning. Frequency is incremented or decremented

by one channel each time the switch pressed. Automatic tuning (seek) begins with the next channel when the key is pressed for 0.5 seconds or longer.

1 : Manuał tuning only. Freęuency is incremented or decremented by one channel each time the switch is pressed. Tuning is manually fast-forwarded when it is held pressed for 0.5 seconds or longer.

■

» IC BŁOCK DIAGRAM

■ KCF-201VA (FM FRONT-END) : TU001

►

►

ANT AGC =B VT IFOUT OSCOUT

LA3161 (TAPE PRE-AMP): IC301

vcc

ł

[0    LA3161

GND

DBL1019 (AM TUNER): IC201

20 11

DBL1019

wwwww

1 10

I

I

I

ł

RF AGC RF Amp2 RF ANT GND Mik In |c Mik Vcc IF Amp IF Amp OUT OUT AGC Domping RF Amp1 Out    In    Out

Onv#f    In

■ HA12135 (DOLBY IC) : IC002

nnnnnnnn p HA12135A

uuuuuuuu

1 8

■ BA338 ( AMS IC ) : IC001

■ LA1862M (IF+N.C+MPX): IC101

■ TDA7394 (POWER AMP) : IC302

■ TDA7318D (EVR): IC501

LEFT

INPUTS

RIGHT

INPUTS

OUT

LEFT FRONT

OUT

LEFT REAR

scl

SOA

OIGCNO

OUT

RIGHT FRONT

OUT

RIGHT REAR

WIRING DIAGRAM

(T) ISO CONNECTOR TYPE

ISO PCB

_g POWER PCB

8r n v

MAIN PCB

*8g5alS

E ffilCN3Q3

	□
	□
	a
	o

SV^BL X YW “V RD rv ROT \ BK JSHIELO

SHIELO

ai gg gg§

//////

ba

OOOQ

ISO CONNECTOR

4. yellow...back—up

dc+12v

5. blue...remate dc+12v(power ant)

6. Dimmer (optian)

7. red...power supply

8.    black...ground

B

1. violet..rear right( + )

2. violet/block...rear right(-)

3. gray..frant right( + )

4. gray/black...front right(-)

5. white...front left( + )

6. white/block...frant left(-)

7. green...rear left(+)

8. green/black....rear left(-)

C OTHERS 5.black...ground 6.orange...12v preamp( + ) 8.red...preamp R-ch 10.white...preamp L-ch

(|)9P CONNECTOR TYPE

POWER PCB

9 PIN CONNECTOR

MAIN PCB

ai Si,t

//////

9 PIN CONNECTOR

1. RED...12V DC( + )

2. PINK...MEMORY 12V DC( + )

3.    BLACK...GRDUND(-)

4.    BLUE...LEFT FRONT SPEAKER( + )

5.    BROWN...LEFT REAR SPEAKER( + )

6.    BROWN with BLACK...LEFT REAR SPEAKER(-)

7.    GREEN...RIGHT FRONT SPEAKER( + )

8.    WHITE...RIGHT REAR SPEAKER( + )

9.    WHlTE with BLACK...RIGHT REAR SPEAKER(-)

..RIGHT/LEFT FRONT SPEAKER(-).....CONNECT TD GROUND(-)

MEMO