Sanyo DTA-300-M Service manual

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Page 1

FILE NO.

Service Manual

REMOTECONTROLLER RB-DTA300M

Audio System

DTA-300M (XE) (UK)

CONTENTS

Laser Beam Safety Precaution ........................................ 1

IC Block ............................................................................ 1,2,8

Tuner Adjustment ............................................................. 2

Wiring Connection ............................................................ 3

Exploded View (Cabinet & Chassis) ................................ 4

Parts List .......................................................................... 5

Block Diagram .................................................................. 11

Schematic Diagram (MAIN) ............................................. 12

Schematic Diagram (CD MAIN) ....................................... 14

Wiring Diagram (MAIN and TACT SW A,B) ..................... 16

Wiring Diagram (CD) ........................................................ 18

Wiring Diagram (Power, Ant, Key, Led 1, 2, Phone and

Motor) ................................................... 19

Wiring Diagram (Display) ................................................. 20

PRODUCT CODE No. 129 668 01 UK 129 668 02 XE

REFERENCE No. SM5810425

Page 2

LASER BEAM SAFETY PRECAUTION

• Pickup that emits a laser beam is used on this CD section.

CAUTION : USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

LASER OUTPUT................ 0.6 mW Max. (CW)

WAVE LENGTH ................. 790 nm

IC BLOCK DIAGRAM & DESCRIPTION

IC803 TA2092N (Power Driver)

CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.

ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ UDS ÆTTELSE FOR STRÅLING.

VARNING – OSYNLIG LASER STRÅLNING NÄR DENNA DEL ÄR ÖPPNAD OCH SPÄRR ÄR URKOPPLAD. STRÅLEN ÄR FARLIG.

VORSICHT – UNSICHTBARE LASERSTRAHLUNG TRITT AUS, WENN DECKEL GEÖFFNET UND WENN SICHERHEITSVERRIEGELUNG ÜBERBRÜCKT IST. NICHT, DEM STRAHL AUSSETZEN.

VARO – AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.

TERMINAL

NO.

SYMBOL

PW GND

OUT(-)1

CC1

OUT(+)1

IN1

PW GND

CC4

IN4

CC1

SGND

IN3

CC3

PW GND

24 23 22 21 20 19 18 17 16 15 14 13

123456789101112

VR1V

IN2

TERMINAL

NO.

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

CC2

SYMBOL

IN2

OUT(+)2 PV OUT(-)2 PW GND PW GND OUT(-)3 PV OUT(+)3

IN3

V S GND S V V

IN4

OUT(+)4 PV OUT(-)4 PW GND

PW GND

CC2

CC3

CC4

PW GND

2413121

CC1

IN1

- 1 -

FUNCTION

Input for CH2 Non-inverted output for CH2 Supply terminal of output stage for CH2 Inverted output for CH2 Power GND Power GND Inverted output for CH3 Supply terminal of output stage for CH3 Non-inverted output for CH3 Input for CH3 Supply terminal of small signal GND Small signal GND Input for CH4 Non-inverted output for CH4 Supply terminal of output stage for CH4 Inverted output for CH4 Power GND

Page 3

TUNER ADJUSTMENTS

FEO

FEN

SEB

19VRO

20RFRP

21BTC

22RFCT

23PKC

24RFRPIN

25RFGO

26GVSW

27AGCIN

28RFO

29GND

30RFN2

SBAD

TEO

TEN

12 2VRO

11 TEB

10 SEL

9 LDO

8 MDI

7 TNI

6 TPI

5 FPI

4 FNI

3 GMAD

2 RFGC

1 Vcc

AGC Amp.

BOTTOM

PEAK

3 STATE

DET.

I-I

10pF

15pF

40pF

15pF

3pF

10pF

3pF

36pF

40pF

SW1

SW3

SW2

IC BLOCK DIAGRAM & DESCRIPTION

IC801 TA2153FN (RF AMP)

- 2 -

Page 4

WIRING CONNECTION

- 3 -

Page 5

EXPLODED VIEW(CABINET & CHASSIS)

- 4 -

Page 6

PARTS LIST

PRODUCT SAFETY NOTICE

EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH

THE IEC SYMBOL CAN OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED , USE ONLY THE REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE PRODUCT TO THE CUSTOMER.

CAUTION : Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.

IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY

Regular type resistors are less than 1/4W carbon type and 0 ohm chip resistors. Regular type capacitors are less than 50V and less than 1000µF of Ceramic type and Electrolytic type.

PACKING & ACCESSORIES

REF.NO. PART NO. DESCRIPTION

645 063 2280 AC ADAPTOR(UK)

645 063 2273 AC ADAPTOR(XE) 645 063 2327 CARTON CASE(UK) 645 063 2310 CARTON CASE(XE) 645 063 2358 CARTON SHEET(XE) 645 063 3546 FM ANT,AWG24UL 1007 645 063 2884 INSTRUCTION MANUAL(UK) 645 063 2877 INSTRUCTION MANUAL(XE) 645 060 7011 POLYBAG,AC CORD 645 063 3607 POLYBAG,I/B 645 063 3607 POLYBAG,TRANSFORMER 645 063 3614 POLYBAG,UNIT 645 063 3553 POLYFOAM(UK) 645 063 3560 POLYFOAM(UK) 645 063 3553 POLYFOAM(XE) 645 063 3560 POLYFOAM(XE) 645 063 2891 QUICK GUIDE(XE) 645 063 2730 REMOCON

CABINET & CHASSIS

REF.NO. PART NO. DESCRIPTION

1 645 063 3164 CD WINDOW,

2 645 063 3249 CD-WIN -SUPPORT-BOTTOM,

3 645 063 3232 CD-WIN-SUPPORT-TOP,CAP PIN 4 645 063 2945 CD DOOR 5 645 063 3362 SPEAKER GRILL LEFT 6 645 063 3379 SPEAKER GRILL RIGHT 7 645 063 3010 GRILL BASE RIGHT 8 645 063 2983 GRILL BASE LEFT 9 645 063 3089 GUIDE-GROOVE BOTTOM 10 645 063 3034 GUIDE-GROOVE TOP 11 645 063 3201 CD SIGN-LENS-LEFT 12 645 063 3195 CD SIGN-LENS-RIGHT 13 645 063 3188 DISPLAY WINDOW,SURFACE

14 645 063 3300 RUBBER FOOT SILICON 15 645 063 2952 CABINET FRONT 16 645 063 3072 FUN-KNOB HOLDER 17 645 063 3140 POWER KNOB 18 645 063 3133 VOLUME KNOB 19 645 063 3157 CD FUNCTION KNOB 20 645 063 3478 SHAFT STAINLESS STEET 22 645 063 3058 SW HOLDER LEFT 23 645 063 3102 SW HOLDER RIGHT 24 645 063 2976 END GEAR 25 645 063 2860 MOTOR DC 3.5V 26 645 063 2969 DOOR GEAR 27 645 063 2990 MIDDLE GEAR 28 645 063 3218 PULLEY MOTOR 29 645 063 3003 PULLEY GEAR 30 645 063 3324 BELT 31 645 063 3126 CD BOSS HOLDER 32 645 063 3041 SHAFT HOLDER

SANYO:GRAY,MP3:GREEN

CAP PIN

PT:M.BLK OC-0213

REF.NO. PART NO. DESCRIPTION

33 645 063 2501 LED 5,CLASSIC 34 645 063 2938 CD DECK COVER 35 645 063 3065 LED HOLDER L 36 645 063 3119 LED HOLDER R 37 645 063 2648 LCD FILTER PVC 38 645 063 3171 LCD LENS 39 645 063 2501 LED 5,CLASSIC 40 645 063 3027 LCD HOLDER 41 645 063 3621 SPONGE 43 645 063 3096 SCREW WASHER 44 645 063 2495 LED 3 45 645 063 3263 MOTOR BASE 46 645 063 3355 PCB BKT-2 47 645 063 2365 CD DECK MECHANISM,

WCD0023-005 48 645 060 6540 CD FOOT BUSHING 52 645 063 3348 PCB BKT-1 53 645 063 2242 HEAT SINK,FOR IC901,IC903 54 645 063 3591 HEAT SINK,FOR IC501 58 645 063 3225 REAR CAB 66 645 063 2303 ASSY CABINET FRONT

FIXING PARTS

REF.NO. PART NO. DESCRIPTION

S01 645 063 3430 SCREW 3X10,GRILL L TO FRONT S02 645 063 3423 SCREW 2.5X10,GUIDE TO FRONT S04 645 063 3454 SCREW 2X4,MTR TO MTR BASE S05 645 063 3508 SCREW 3X10,CD BOSS TO FRONT S06 645 063 3430 SCREW 3X10,

MOTOR BASE TO FRONT S07 645 060 6779 SCREW 3X8,

MTR PCB BKT TO FRONT S08 645 063 3416 SCREW 2.5X18,

CD DECK TO FRONT S09 645 063 3430 SCREW 3X10,

SPK DRIVER TO FRONT S11 645 063 3447 SCREW 3X12,

CD PCB TO FRONT

ELECTRICAL-PARTS

REF.NO. PART NO. DESCRIPTION

21 645 063 3485 MICRO SWITCH 50 645 063 3331 SPEAKER

645 063 2525 BEAD FERRITE 645 063 3256 BUZZER 645 063 2624 5P J WIRE AWG22 2468,TO CN501 645 063 3782 2P J WIRE AWG20 2468,

SPEAKER-LEFT WIRE

645 063 3775 2P J WIRE AWG20 2468,

CN503 TO SPEAKER -RIGHT

645 063 2563 2P J WIRE AWG26,OPEN SW LEAF 645 063 2556 2P J WIRE,CLOSE SW LEAF 645 063 2532 FFC CABLE 16P,

CD DECK TO CD BD CN805

645 063 3652 6P J WIRE AWG30 157,

CN803 TO CD LOADER

- 5 -

Page 7

PARTS LIST

DISPLAY P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

42 614 327 8597 ASSY,PWB,DISPLAY(Only initial) B8001 645 063 2433 4P CONNECTOR,RB8001 C0212 403 135 5108 ELECT 4700U M 10V CN201 645 060 5062 3P CONNECTOR,

TO TACT SW RB201 CN207 645 060 5062 3P CONNECTOR,TO KEY BD RB207 CN208 645 060 5062 3P CONNECTOR CN209 645 060 5055 2P CONNECTOR CN251 645 060 5086 8P CONNECTOR D0201 645 060 4775 DIODE 1N4148 D0202 645 060 4775 DIODE 1N4148 D0203 645 060 4775 DIODE 1N4148 DP201 645 063 2846 LCD DISPLAY,DTE102465A1P IC201 645 048 8238 IC 5V43-1 J15,

M-CU TMP87EP26 (SHIBATEC IC205 645 063 2921 IC FS8339,MUSIC IC L0201 645 060 4805 CHOKE COIL 10UH L0202 645 060 4805 CHOKE COIL 10UH L0203 645 060 4812 CHOKE COIL 100UH L0210 645 063 2723 COIL 8MH LD201 645 063 2501 LED 5,CLASSIC LD202 645 063 2501 LED 5,POP Q0201 645 063 2457 TR 2SC1623 Q0208 645 063 2457 TR 2SC1623 Q0209 645 063 2457 TR 2SC1623 Q0211 645 063 2488 TR 2SA733,TR 2SA812 Q0212 645 063 2457 TR 2SC1623 RB101 645 063 2433 4P CONNECTOR RB202 645 060 5079 6P CONNECTOR RB210 645 063 2440 5P CONNECTOR RB302 645 060 5062 3P CONNECTOR RB810 645 060 5086 8P CONNECTOR RB815 645 063 2440 5P CONNECTOR SN201 645 060 5475 IRT SENSOR,REMOTE SENSOR XL201 645 063 3287 CRYSTAL 7.3728MHZ XL202 645 063 3270 CRYSTAL 32.768KHZ ZD202 645 063 2297 ZENER DIODE 3.3V

645 063 2648 LCD FILTER PVC 645 063 3027 LCD HOLDER 645 063 3065 LED HOLDER L 645 063 3119 LED HOLDER R 645 063 3171 LCD LENS 645 063 3621 SPONGE

MAIN P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

51 614 327 8559 ASSY,PWB,MAIN(Only initial) 53 645 063 2242 HEAT SINK,FOR IC901,IC903 54 645 063 3591 HEAT SINK,FOR IC501 C0119 403 058 2406 POLYESTER 0.015U J 50V C0120 403 058 2406 POLYESTER 0.015U J 50V C0422 403 125 5507 ELECT 1000U M 16V C0509 403 125 5507 ELECT 1000U M 16V C0511 403 058 4608 POLYESTER 0.15U J 50V C0512 403 058 4608 POLYESTER 0.15U J 50V C0513 403 125 5507 ELECT 1000U M 16V C0514 403 125 5507 ELECT 1000U M 16V C0905 403 135 5702 ELECT 4700U M 25V C0926 403 125 5507 ELECT 1000U M 16V C0928 403 134 5802 ELECT 470U M 16V CF101 645 060 5338 CERAMIC FILTER 450KH CF103 645 060 5345 CERAMIC FILTER 10.7M CF104 645 060 5369 CERAMIC FILTER 10.7M CF152 645 060 5352 CERAMIC FILTER 10.7M CN001 645 063 2464 2P CONNECTOR,TO ANT BD.RB01 CN501 645 060 5178 5P CONNECTOR,

TO PHONE BD RB501 CN502 645 063 2464 2P CONNECTOR,TO SPK L CN503 645 063 2464 2P CONNECTOR,TP SPK R CN901 645 063 2471 2P CONNECTOR,

TO PWR BD RB901 D0001 645 060 4775 DIODE 1N4148 D0002 645 060 4775 DIODE 1N4148

REF.NO. PART NO. DESCRIPTION

D0003 645 060 4775 DIODE 1N4148 D0004 645 060 4775 DIODE 1N4148 D0503 645 060 4775 DIODE 1N4148 D0901 645 060 5383 RECTIFIER 1N5401 D0902 645 063 2228 DIODE 1N4007 D0903 645 063 2228 DIODE 1N4007 D0906 645 063 2228 DIODE 1N4007 D0907 645 063 2235 DIODE 1N5392 D0908 645 063 2228 DIODE 1N4007 IC101 645 060 5390 IC TA2104BN,DIGITAL TUNING SYS IC151 645 060 5017 IC TC9257F IC401 645 048 8269 IC TDA7440D,VOL TONE CTL IC501 645 063 2686 IC TA8227P IC901 645 063 2679 IC 7808,REGULATOR IC902 645 060 5437 IC AN7806 IC903 645 060 5437 IC AN7806 IF101 645 060 5543 AM IFT L0001 645 060 5567 SPR COIL L0002 645 060 5567 SPR COIL L0004 645 060 5567 SPR COIL L0005 645 063 2716 OSC COIL 108UH L0007 645 063 2709 SPK COIL L0018 645 060 5611 AM ANT OSC,COIL:R2523-0A10 L0101 645 060 4812 CHOKE COIL 100UH L0901 645 060 4812 CHOKE COIL 100UH Q0001 645 060 4799 TR 2SK192A-Y Q0102 645 060 4829 TR 2SC945P Q0103 645 060 4829 TR 2SC945P Q0104 645 060 4829 TR 2SC945P Q0105 645 060 4829 TR 2SC945P Q0106 645 060 4829 TR 2SC945P Q0107 645 060 4829 TR 2SC945P Q0108 645 060 4850 TR 2SA733Q P Q0152 645 060 4829 TR 2SC945P Q0155 645 060 4829 TR 2SC945P Q0156 645 060 4829 TR 2SC945P Q0157 645 060 4836 TR 2SC1675L Q0501 645 063 2266 TR 2SC2878A Q0502 645 063 2266 TR 2SC2878A Q0902 645 060 4829 TR 2SC945P Q0903 645 063 2693 TR 2SB772P Q Q0904 645 060 4829 TR 2SC945P Q0905 645 060 5468 TR 2SD882P Q0906 645 063 2693 TR 2SB772P Q RB807 645 063 2617 4P J WIRE AWG26 UL24,

TO CD BD CN807

SS01 645 060 6779 SCR 3X8,IC901,

IC903 TO HEAT SINK SS02 645 063 3461 SCR 3X6,MAIN PCB TO PCB BKT TC001 645 060 7059 TRIMMER 20PF TC002 645 060 7059 TRIMMER 20PF TC003 645 060 7042 TRIMMER 10PF TC004 645 060 7042 TRIMMER 10PF VD001 645 060 5499 DIODE 1SV101,FM TUNING DIODE VD002 645 060 5505 DIODE 1SV149B,AM TUNING DIODE VD004 645 060 5505 DIODE 1SV149B,AM TUNING DIODE VD005 645 060 5499 DIODE 1SV101,FM TUNING DIODE XL151 645 060 6533 CRYSTAL 7.2MHZ ZD101 645 060 4881 ZENER DIODE 3.9V ZD401 645 060 4928 ZENER DIODE 9.1V

645 063 3348 PCB BKT-1 645 063 3355 PCB BKT-2 645 063 3799 TEST PIN 1MM,FOR GND TOP

CD P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

55 614 327 8580 ASSY,PWB,CD(Only initial) C0812 403 061 7306 POLYESTER 4700P J 50V C0851 403 135 5108 ELECT 4700U M 10V CN803 645 060 5079 6P CONNECTOR,TO CD LOADER CN805 645 063 2372 16P CONNECTOR,TO CD LOADER CN807 645 063 2433 4P CONNECTOR,

TO MAIN BD RB807

- 6 -

Page 8

PARTS LIST

REF.NO. PART NO. DESCRIPTION

CN816 645 060 5055 2P CONNECTOR,

TO OPEN SW LEAF

CN817 645 060 5055 2P CONNECTOR,

TO CLOSE SW LEAF CN818 645 063 2464 2P CONNECTOR,TO MTR BD RB818 D8001 645 063 2662 IC TL431,VOLT. REGULATOR D8002 645 063 2662 IC TL431,VOLT. REGULATOR D8005 645 060 4775 DIODE 1N4148 D8006 645 060 4775 DIODE 1N4148 IC8001 645 063 2402 IC TC94A02F-005,

CMOS DIGITAL IC IC8002 645 063 2426 IC TC74HC14AFN IC8003 645 063 2419 IC UT621024SC-70LL IC8004 645 063 2389 IC REG1117 IC801 645 063 2396 IC TA2153FN,

RF AMP DIGIT.SERV CD IC802 645 060 5031 IC TC9462F,

DIGITAL SERVO SINGLE IC803 645 063 2655 IC TA2092N,PWR DRIVE IC804 645 060 5413 IC TA7291S L0801 645 060 4812 CHOKE COIL 100UH L0802 645 060 4812 CHOKE COIL 100UH L0805 645 060 4805 CHOKE COIL 10UH L0806 645 063 2518 BEAD FERRITE 100MHZ L0807 645 063 2518 BEAD FERRITE 100MHZ L0808 645 060 4812 CHOKE COIL 100UH L8001 645 063 2259 INDUCTOR 47UH L8002 645 063 2259 INDUCTOR 47UH L8003 645 063 2259 INDUCTOR 47UH L8004 645 063 2259 INDUCTOR 47UH L8005 401 024 6700 CARBON 100 JA 1/6W L8006 645 063 2259 INDUCTOR 47UH N8002 645 063 2440 5P CONNECTOR,CN8002 Q0801 645 060 4867 TR 2SA952 Q0804 645 060 4843 TR 2SC2001L Q0805 645 063 2457 TR 2SC1623 Q0806 645 063 2457 TR 2SC1623 Q8001 645 060 4829 TR 2SC945P Q8002 645 060 4829 TR 2SC945P Q8003 645 060 4829 TR 2SC945P Q8005 645 060 4829 TR 2SC945P TP801 645 063 3799 TEST PIN 1MM,FEO TP802 645 063 3799 TEST PIN 1MM,RFO TP803 645 063 3799 TEST PIN 1MM,TEO TP804 645 063 3799 TEST PIN 1MM,VRO XL801 645 060 6519 CRYSTAL 16.9344MHZ ZD801 645 060 4898 ZENER DIODE 4.6V ZD802 645 060 4898 ZENER DIODE 4.6V

645 063 3584 HEAT SINK,FOR CD PCB IC803 645 063 3751 WIRE TIE

PHONE P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

56 614 327 8627 ASSY,PWB,PHONE(Only initial) C0528 403 059 7509 POLYESTER 0.22U J 50V JK501 645 063 2747 PHONE JACK JK502 645 063 2761 RCA JACK,RJ-1081-01-0300A RB501 645 060 5178 5P CONNECTOR,

TO MAIN BD CN501

TACT SW B P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

60 614 327 8573 ASSY,PWB,TACT SW B(Only initial) TA011 645 060 4874 SW TACT,OPEN / CLOSE TA012 645 060 4874 SW TACT,BACK / TUNETA013 645 060 4874 SW TACT,FWD / TUNE+ TA014 645 060 4874 SW TACT,STOP TA015 645 060 4874 SW TACT,PLAY / PAUSE TA016 645 060 4874 SW TACT,BAND

MOTOR P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

61 614 327 8641 ASSY,PWB,MOTOR(Only initial) M0801 645 063 2860 MOTOR DC 3.5V RB818 645 063 2549 2P J WIRE AWG26,TO CD BD CN818

LED 1 P.W.BORAD ASSY

REF.NO. PART NO. DESCRIPTION

62 614 327 8603 ASSY,PWB,LED 1(Only initial) LD203 645 063 2501 LED 5

LED 2 P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

63 614 327 8610 ASSY,PWB,LED 2(Only initial) CN206 645 060 5055 2P CONNECTOR,

TO LED 1 BD RB206 D0205 645 060 4775 DIODE 1N4148 D0206 645 060 4775 DIODE 1N4148 D0208 645 060 4775 DIODE 1N4148 D0209 645 060 4775 DIODE 1N4148 D0210 645 060 4775 DIODE 1N4148 D0211 645 060 4775 DIODE 1N4148 D0212 645 060 4775 DIODE 1N4148 L0206 645 060 4812 CHOKE COIL 100UH LD204 645 063 2495 LED 3 Q0203 645 060 4829 TR 2SC945P Q0204 645 060 4850 TR 2SA733Q P Q0205 645 060 4829 TR 2SC945P Q0206 645 060 4829 TR 2SC945P Q0207 645 060 4829 TR 2SC945P Q0210 645 060 4829 TR 2SC945P

645 063 2853 LED HOLDER,FOR LD204

ANT P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

64 614 327 8658 ASSY,PWB,ANT COIL(Only initial) L0003 645 063 3294 ROD ANT

KEY P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

65 614 327 8665 ASSY,PWB,KEY(Only initial) TA001 645 060 4874 SW TACT,VOLTA002 645 060 4874 SW TACT,VOL+ TA003 645 060 4874 SW TACT,BASS TA004 645 060 4874 SW TACT,SOUND TA005 645 060 4874 SW TACT,FUNCTION TA006 645 060 4874 SW TACT,SNOOZE

POWER P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

57 614 327 8634 ASSY,PWB,POWER(Only initial) JK901 645 063 2754 POWER JACK,DJ-0702-020

TACT SW A P.W.BOARD ASSY

REF.NO. PART NO. DESCRIPTION

59 614 327 8566 ASSY,PWB,TACT SW A(Only initial) TA007 645 060 4874 SW TACT,PRESET TA008 645 060 4874 SW TACT,MEMORY TA009 645 060 4874 SW TACT,TIMER TA010 645 060 4874 SW TACT,SLEEP TA017 645 060 4874 SW TACT,POWER

- 7 -

Page 9

IC BLOCK DIAGRAM & DESCRIPTION

IC101 TA2104B (Tuner) IC501 TA8227P (Power Amp.)

RF OUT

24 21 20 19 18 17 16 15 14 132223

FMRF

Vcc

RF IN

OSC

BUFF

AM MIX

FM MIX

OSC OUT

LEVEL

DET

LED

BUFF

1/8

FMIFAMIF

DEV

REQ

OUT

REQ

BUFF

DETFMDET

AGC

LPF1AF IN LPF2

VCO

DECODE

DIVIDE

ST/MO FM/AM

MJTE

145678910111232

MIX

GND

RF IN

LOW CUT

OUT

Vcc AM

IF INFMIF IN

IC151 TC9257F (Tuner PLL)

XT 16 DO2/OT-41 XT 15 DO12

PERIOD 14 I/O-5/IF

CLOCK 13 I/O-6/IF

DATA 12 GND5

OT-1 116

OT-2 10 AM OT-3 9 V

AMP

DATA

CLOCK

PERIOD

(Note) Mark terminals are not existence in TC9256P, TC9256F. Terminal name of TC9256P, TC9256F is shown in parentheses. Others are common terminals.

1/ 2

OSC

CIRCUIT

HFFM

AGC QUAD R-OUT L-OUT

GND

TC9256P, TC9256F

3 4

7 8

Top View

DIP-16PIN / SOP-16PIN

2 MODULUS

PRESCALER

MODE LFFM

REFERENCE COUNTER

1ms

OSC

ADDRESS DECODER

OUTPUT PORT

OT-1 OT-3

OT-2 OT-4

TEST

IN1

IN2

PERIOD 18 I/O-7/SC

CLOCK 17 I/O-8/IF

I/O-5/CLK I/O-6

PSC

4bit SWALLOW

COUNTER

12bit PROGRAMMABLE COUNTER

24bit REGISTER

24bit SHIFT REGISTER

24 22

24bit REGISTER

20bit BINARY COUNTER

UNIVERSAL COUNTER CONTROL

OT-4

1ms

- 8 -

TC9257P, TC9257F

XT 20 DO21 XT 19 DO12

3 4

DATA 16 I/O-9/IF

5 OT-1 15 GND6

OT-2 14 FM

7 OT-3 13 AM

OT-4 V

Top View

DIP-20PIN / SOP-20PIN

POWER ON

RESET

PHASE

MAX

UNLOCK

GATE

129 1110

GNDV

TRI-STATE

BUFFER

TRI-STATE

BUFFER

COMPARATOR

OT-4

IN1

IN2

I/O PORT

AMP

DO1

DO2 (DO2 / OT-4)

I / O-5 / CLK

I / O-6

I / O-9 / IF (I / O-6 / IF

I / O-8 / IF (I / O-5 / IF

I / O-7 / SC

IN2

IN1

IN2

)

IN1

)

Page 10

IC BLOCK DIAGRAM & DESCRIPTION

IC804 TA7291S (Bridge Driver)

IC401 TDA7440D (VOLUME TONE CTL)IC8002 TC74HC14AFN (Gate)

PIN FUNCTION

Vcc

7 / 2 / 11 4 / 8 / 5

5 / 9 / 7 6 / 1 / 9 1 / 5 / 1

Vref

REG

PROTECTOR

CIRCUIT

(TSD)

IN2 GNDIN1

8 / 6 / 15

2 / 7 / 4

10 / 3 / 13

TA7291P / TA7291S / TA7291F

OUT1

OUT2

7 8 4 1 5 6 2

PIN No.

2 6 8 5 9 1 7 3

F 11 15

4 13

SYMBOL

Vcc

Vref

GND

IN1

IN2 OUT1 OUT2

FUNCTIONAL DESCRIPTION

Supply voltage terminal for Logic Supply voltage tarminal for Motor driver Supply voltage terminal for control GND terminal Input terminal Input terminal Output terminal Output terminal

- 9 -

Page 11

X-Pointer

/RESET

MiMD

AD0

AD1

MiDio

/MiCK

AD2

LRCKiA

BCKiA

SDi0

AD4

AD3

SDo

VDD

VRAL

VDAL

VDAR

VRAR

STANDBY

CKS

VSSL

Bus

Switch

Microcom. I/F

XRAM

YRAM

CROM

MX MY

MZ AX AY

round & limit

MAC

ALU

round & limit

X0 X1 X2 Y0 Y1 Y1

40bit

Address Calc.

2sets

X-Bus Y-Bus

I-Bus

ERAM

2k word

Y-Pointer

C-Pointer

Audio I/F

Instruction

Decoder

Program

Control

Flag

VSS

VSSR

TESTP

4k word

4kword

4k word

256word

PROM

PRAM

4k*2+2k

=10kword

DAC

AD5

/CE

/oE

AD12

AD11

io2

io3

io4

VDD

io5

io6

io7

VSSP

PDo

VCoi

VDDP

CKO

VDDX

VSSX

VCO

Timing

Generator

General

Input Port

DIT

General

Output Port

SRAM I/F

DAC

Prog. Start

VDDT

Interrupt Control

Timer

AD15

AD10

AD9

VDDT

AD8

AD7

AD6

REQ

VSS

AD13

AD14

/WR

AD16

io0

io1

VSS

IC BLOCK DIAGRAM & DESCRIPTION

IC8001 TC94A02-005 (MP3 DECODER)

PI N FUNCTION

PIN NO.

mbol I/O

1/RESET 2MiMD 3AD0 4AD1

5MiDio I/O 6/MiCK 7AD2 8 VDDT 9

10 AD3 O 11 AD4 O 12 SDi0 I 13 BCKiA I 14 L RCKiA I 15 AD5 I 16 CE I 17 OE I 18 VDD -19 STANBY I 20 VSS -21 VSSL -22 VRAL -23 LO

24 V DAL -25 VDAR -26 RO O 27 VR AR -28 VSSR -29

TESTP

30 CKS I 31 AD12 O 32 AD11 O 33 AD10 O 34 AD9 O 35 VDDT -36 AD8 O 37 AD7 O

DESCRIPTION OF P IN FUNCT I ON Remar k

Reset signal input terminal(H:Op eratio n,L:Reset) Reset(MC

Mode select input f or MCU i nterface (H:I

C L:T SB)ì! î

Address output-0 for external SRAM AD 0(SRAM

Address output-1 for external SRAM AD 1(SRAM

Data input and output for MCU i nterf ace" I2C# SDA$SDA (MCU)

Clock i nput for MC U interface" I

C# SCL$ SCL(MCU)

Address output-2 for external SRAM AD 2(SRAM

Dig ital po wer supply f or interface (3.3V) VDDT (3.3V)

Data output for audi o interf ace

SDO

Address output-3 for external SRAM AD 3(SRAM )

Address output-4 for external SRAM AD 4(SRAM )

Data input-0 for audio interface SDi(CDP)

Bit clo ck input-A for audio in terface BCK(CDP )

LR clock input-A for audio interface LRCK (CDP)

Address output-5 for external SRAM AD 5(SRAM )

Chip enable signal output f or external SRA M CE(SRA M)

Enable signal output f or external SRA M OE(SRA M)

Dig ital p ower supply( 2.5V ) VDD(2 .5V )

Stand- by term inal & (H: STB, L:Operation) STAB Y(MCU)

Dig ital G ND GND

DAC L ch Analog GND GND

DAC V ref f or L ch VR

DAC Lch analog signal output LO(am

DAC power supply f or L ch(2.5V ) VDA (2.5V)

DAC power supply f or Rch(2.5V ) VD A (2.5V )

DAC Rch analog signal output RO(amp)

DAC V ref f or Rch VR

DAC Rc h Analog GN D GND

Test input (H:Test& L: Normal) ìLî

VCO clo ck selection input( ! :VC O& L:X I clock) ìH î

Address output-12 for external SRAM AD 12(SRA M )

Address output-11 for external SRAM AD 11(SRAM)

Address output-10 for external SRAM AD 10(SRA M )

Address output-9 for external SRAM AD 9(SRAM )

Dig ital po wer supply f or interface(3.3V) VDDT (3.3V)

Address output-8 for external SRAM AD 8(SRAM )

Address output-7 for external SRAM AD 7(SRAM )

38 A D6 O

39 REQ O

40 VSS --

41 A D13 O

)

42 A D14 O

43 WR I

)

44 A D16 O

45 A D15 --

46 io 0 I/O

)

47 io 1 I/O

48 VSS --

49 io 2 I/O

50 io 3 I/O

51 Io4 I/O

52 VDD --

53 io 5 I/O

54 io 6 I/O

55 io 7 I/O

56 VSSP - -

57 Pdo O

58 V coi I

59 VDDP --

60 Cko O

61 VDDX --

62 X i I

63 X o O

64 VSSX - -

- 10 -

Address output-6 for external SRA M A D6(SRAM

Request pin f or interrupt host

Dig ital GND

REQ(MCU)

GND

Address output-13 for external SRA M AD 13(SRAM

Address output-14 for external SRA M AD 14(SRAM

Write signal output f or external SRAM W R(SRA

Address output-16 for external SRA M AD 16(SRAM

Address output-15 for external SRA M AD 15(SRAM )

Data I/O-0 for external SRA M Io0(SRA M)

Data I/O-1 for external SRA M Io1(SRA M

)

Dig ital GND GND

Data I/O-2 for external SRA M Io2(SRA M

)

Date I/O-3 for external SRA M Io3(SRA M)

Data I/O-4 for external SRA M Io4(SRA M

Dig ital power supply( 2.5V) VDD(2 .5V

)

Data I/O-5 for external SRA M Io5(SRA M)

Data I/O-6 for external SRA M Io6(SRA M)

Data I/O-7 for external SRA M Io7(SRA M

)

GND f or VCO circ uit GND

Phase detector output Pd

Controlled voltage input for VC O circu it Vcoi

Power supp ly for VCO circu it VDDP (2.5

16.934Mhz cl ock output pin Cko (CD

)

Power suppl y for crystal oscilla tor" 2.5V) VDDX(2 .5V)

Crystal oscillato r input Xi(1 6.934MHz)

Crystal oscillato r output

GND f or crystal oscillato r GND

)

Page 12

BLOCK DIAGRAM

- 11 -

Page 13

SCHEMATIC DIAGRAM (MAIN)

This is a basic schematic diagram.

PRODUCT SAFETY NOTICE

EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL

IN WHICH SAFETY AND PERFORMANCE CAN BE OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY

OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY

INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING THE PRODUCT TO THE CUSTOMER.

AND MARK IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATED COMPONENTS

AND , USE ONLY THE REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS

- 13 -- 12 -

Page 14

SCHEMATIC DIAGRAM (CD MAIN)

This is a basic schematic diagram.

- 15 -- 14 -

Page 15

WIRING DIAGRAM (MAIN and TACT SW A,B)

MAIN A side

TACT SW A A side

TACT SW A B side

MAIN B side

TACT SW B A side

TACT SW B B side

- 17 -- 16 -

Page 16

WIRING DIAGRAM (CD)

A side

B side

- 18 -

Page 17

WIRING DIAGRAM (POWER, ANT, KEY, LED 1, LED 2, PHONE and MOTOR)

POWER

ANT

LED 1 A side

LED 1 B side

KEY A side

KEY B side

LED 2

MOTOR

PHONE

- 19 -

Page 18

WIRING DIAGRAM (DISPLAY)

A side

B side

- 20 -

Page 19

Jun / '03 BB Printed in Japan

SANYO Electric Co., Ltd.

Osaka, Japan

Sanyo DTA-300-M Service manual

Specifications and Main Features

Frequently Asked Questions

User Manual