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FILE NO.

Service Manual

Micro Component System

DC-DA370

(XE)

PRODUCT CODE No.
129 599 01 (XE)

REFERENCE No.

SM

5810189

This service manual consists of "DC-DA370U" (Main unit : 129 598 01) and "SX-DA370"

(Speaker system : 165 027 01).

Contents

Specifications ................................................................... 1
System connection ........................................................... 1
Laser beam safety precaution .......................................... 2
CD pick-up maintenance .................................................. 2
CD player adjustments ..................................................... 2

Tape adjustments ............................................................ 3
Tuner adjustments ........................................................... 4
When assembling the Rack Gear and CD Lid ................. 5
Exploded view
(Cabinet & Chassis) ...................................................... 6
(Tape mechanism) ........................................................ 13
Parts list
(Cabinet & Chassis) ...................................................... 7
(Tape mechanism) ........................................................ 13
(CD mechanism) ........................................................... 7

IC block diagram & description ........................................ 14

Schematic diagram

(CD) ............................................................................... 18

(FRONT) ....................................................................... 20

(AMPLIFIER ) ................................................................ 26

(TUNER) ....................................................................... 28

Wiring diagram

(CD & FRONT) .............................................................. 22

(TUNER & AMPLIFIER ) ............................................... 24

(P SECONDARY POWER

TRANSFORMER AND CD LID SWITCH) .................... 30

Voltage Table ................................................................... 31

LCD display description ................................................... 33

Wiring connection ............................................................ 34

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Содержание DC-DA370

Страница 1: ...pick up maintenance 2 CD player adjustments 2 Tape adjustments 3 Tuner adjustments 4 When assembling the Rack Gear and CD Lid 5 Exploded view Cabinet Chassis 6 Tape mechanism 13 Parts list Cabinet Chassis 7 Tape mechanism 13 CD mechanism 7 IC block diagram description 14 Schematic diagram CD 18 FRONT 20 AMPLIFIER 26 TUNER 28 Wiring diagram CD FRONT 22 TUNER AMPLIFIER 24 PRIMARY SECONDARY POWER TRA...

Страница 2: ...224 mm Weight Approx 1 9 kg per speaker Specifications subject to change without notice Tuner Reception frequency FM 87 5 108 0 MHz MW 522 1611kHz LW 144 288kHz CD player Channels 2 channel stereo Sampling frequency 44 1 kHz Pick up Optical 3 beam semiconductor laser Wow and Flutter Below measurable limits Wave length 790 nm Laser output 0 6mW Continuous wave max Cassette deck section Track system...

Страница 3: ...TUS OHITETTAESSA OLET ALTTIINA NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE ÄLÄ KATSO SÄTEESEEN CD PICK UP MAINTENANCE About pick up Optical lens Cleaning Clean a lens with swab of the cotton which moistened it with alcohol cleaning paper or cleaning disc appointed Specified cleaning disc LC 1 Part code 645 026 1961 manufactured by SANYO Show a clean procedure in the following in reference by swab of cotton 1 C...

Страница 4: ...l azimuth adjustment so that the left and right outputs are maximized at the same phase during normal playback See Fig 2 5 Press the PLAY button Reverse playback 6 Use a tip screwdriver to turn the screw for reverse azimuth adjustment so that the left and right outputs are maximized at the same phase during reverse playback 7 Adjust so that the waveforms for the left and right channels are in alig...

Страница 5: ...0 0 10V 3 Tracking Connect AM SG to Connect to VTVM 603KHZ Low L2151 Test loop Ant point TP13 L or TP14 R and TP15 E 1404kHZ High CT252 3 LW Step Adjusting Connection SG Set Adjustment Remark Circuit Input Output Frequency Position 1 Cover Connect Digital DC voltmeter to 144kHZ Low L2154 1 00 0 05V Voltage TP11 H and TP12 E 288kHZ High 5 42 0 10V 2 Tracking Connect AM SG to Connect to VTVM 162kHZ ...

Страница 6: ... 5 B A When assembling the Rack Gear and CD Lid When assembling the rack gear and CD lid A part should be inserted into the B part ...

Страница 7: ...04 Y01 Y05 Y05 Y06 24 56 58 57 71 26 27 28 32 29 30 30 31 25 14 17 33 53 52 18 19 20 22 23 21 5 9 13 8 Y08 Y08 Y09 Y09 Y10 Y10 Y11 Y12 Y13 Y13 Y14 Y15 Y16 Y26 Y26 Y21 Y21 75 74 Y22 Y22 Y24 Y25 Y23 Y20 Y17 Y18 Y18 Y17 51 35 76 Y23 Y07 34 Y28 59 Y27 N S P 14 N S P Not supplied as service parts ...

Страница 8: ...23 614 300 8293 BELT SQUARE 24 614 314 2669 MOUNTING CD 25 614 309 8270 ASSY GEAR LID CD 26 614 307 8821 PULLEY 27 614 303 0256 LATCH MAGNET 28 614 314 2652 LID CD 29 614 314 2614 DEC WINDOW CD 30 614 315 9254 DEC CAP 31 614 314 9644 ASSY CABINET REAR 32 614 316 1172 STOPPER 33 614 318 5086 ASSY MOTOR 34 614 269 9621 SPACER WINDOW CD WINDOW 35 614 307 9804 ASSY CD MECHA CDDA11 SASH ELECTRICAL PART...

Страница 9: ...5 0603 MT GLAZE 10K JA 1 16W R1336 401 105 4007 MT GLAZE 330 JA 1 16W R1337 401 105 6605 MT GLAZE 6 8K JA 1 16W R1343 401 105 0702 MT GLAZE 100K JA 1 16W R1401 401 105 1402 MT GLAZE 150 JA 1 16W FRONT P W BOARD ASSY REF NO PART NO DESCRIPTION 72 614 314 9590 ASSY PWB FRONT Only Initial AH601 614 314 2621 HOLDER LCD HOLDER_LCD AR601 614 315 6505 REFLECTOR REFLECTOR_LCD AS601 614 314 3000 DEC SHEET ...

Страница 10: ...5 2003 MT GLAZE 1 8K JA 1 16W R6257 401 105 3307 MT GLAZE 2 7K JA 1 16W R6258 401 105 5301 MT GLAZE 4 7K JA 1 16W R6259 401 105 7404 MT GLAZE 8 2K JA 1 16W R6310 401 105 4007 MT GLAZE 330 JA 1 16W R6311 401 105 2706 MT GLAZE 220 JA 1 16W R6412 401 035 4108 MT GLAZE 0 000 ZA 1 8W S6001 645 044 6535 SWITCH ROTARY ENCODER S6110 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT or 645 006 5958 SWIT...

Страница 11: ...614 255 5750 TERMINAL or 645 032 6394 TERMINAL CN400 645 012 5362 SOCKET FPC 32P CN430 645 005 7373 PLUG 3P or 614 310 2441 PLUG 3P CN431 407 218 1100 PHOTO COUPLE GP1FA550TZ REF NO PART NO DESCRIPTION or 407 215 1608 PHOTO COUPLE TOTX178A CN440 614 310 2472 PLUG 6P or 645 005 8127 PLUG 6P CN441 614 310 2748 PLUG 3P POWER or 645 004 2898 PLUG 3P POWER CN445 614 310 2519 PLUG 10P or 645 005 8158 PL...

Страница 12: ...536 F NP or 405 141 3307 TR KTC3198 GR or 405 019 3804 TR 2SC536 G NP Q4700 405 000 3806 TR DTC114YS or 405 143 0007 TR KRC107M Q4800 405 000 3806 TR DTC114YS or 405 143 0007 TR KRC107M Q4950 405 141 3307 TR KTC3198 GR or 405 019 2708 TR 2SC536 F NP or 405 019 3804 TR 2SC536 G NP or 405 141 3208 TR KTC3198 Y Q4960 405 155 0002 TR MPSA56 Q4961 405 155 0002 TR MPSA56 Q4962 405 000 3806 TR DTC114YS o...

Страница 13: ...GLAZE 15K JA 1 16W R4735 401 105 1600 MT GLAZE 15K JA 1 16W R4740 401 105 4601 MT GLAZE 3 9K JA 1 16W R4741 401 105 2102 MT GLAZE 18K JA 1 16W R4742 402 071 1304 FUSIBLE RES 2 2 JA 1 4W REF NO PART NO DESCRIPTION R4750 401 105 1105 MT GLAZE 12K JA 1 16W R4751 401 105 4700 MT GLAZE 39K JA 1 16W R4760 401 105 0306 MT GLAZE 10 JA 1 16W R4800 401 105 0405 MT GLAZE 100 JA 1 16W R4801 401 105 3901 MT GL...

Страница 14: ...E 1N5402BD82 D4283 407 196 5800 DIODE 1N5402BD82 D4284 407 098 3300 DIODE RL153 BF S2 FCL41 645 006 4760 HOLDER FUSE or 645 031 7903 HOLDER FUSE FCL42 645 006 4760 HOLDER FUSE or 645 031 7903 HOLDER FUSE PR420 645 014 2567 PROTECTOR 2 5A 125V CD LID SW P A BOARD ASSY REF NO PART NO DESCRIPTION 76 614 316 5170 ASSY PWB CD LID SW Only Initial S1900 645 044 8782 SWITCH LEVER S1901 645 044 8799 SWITCH...

Страница 15: ... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Vcc Vref VIN4 VG4 Vo8 Vo7 GND Vo6 Vo5 VG3 VIN3 CD RES Vcc Mute VIN1 VG1 Vo1 Vo2 GND Vo3 Vo4 VG2 VIN2 Reg OUT Reg IN Vcc 11k 11k 11k 11k Level Sift BTL Driver BTL Driver Level Sift RESET Regulator Level Sift BTL Driver Level Sift BTL Driver 2 8 6 7 3 5 1 9 Vcc Vref Vs OUT1 OUT2 GND IN1 IN2 Protective Circuit Heat Interception REG 1 4 5...

Страница 16: ...28 29 48 60 61 46 52 45 44 43 39 41 42 40 37 35 38 36 34 31 30 9 21 6 4 3 5 7 2 59 64 11 32 33 62 8 23 Slice level Control Subcode Dxract QCRC Syncrnous Detect EFM Demodulation VCO Clock Oscillator Clock Control X tal Root Timing Generator RAM Address Generatorl 2KA 8bit RAM Billingual Digital Out General Ports Digital Attenuator Quadruple Over Sampling Digital Filter Interpolalation Mute C1 C2 Er...

Страница 17: ...ETECT 1 SYNC DETECT 2 Vssa MPXIN DO CL DI CE T1 T2 T3 T7 XIN XOUT Vddd Vssd RDS ID VREF FLOUT CIN SYNC SYR IC251 LC72722 RDS Signal Processor FM IF FM DET LEVEL DET S CURVE AM FM IF BUFF REG GND COMP TUNING DRIVE AM IF AM DET VCC AGC PILOT CANCEL PILOT DET DECODER ANTI BIRDIE STEREO SW FF 38k FF 19k VCO 304kHz AM RF AMP AM MIX AM OSC ALC BUFF P DET φ FF 19k 2 π 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 ...

Страница 18: ...O LCD Pin No12 50 S19 PC4 O LCD Pin No13 Pin No Pin Name Symbol I O Function 51 S21 PC5 O LCD Pin No14 52 S22 PC6 O LCD Pin No15 53 S23 PC7 O LCD Pin No16 54 S24 PD0 O LCD Pin No17 55 S25 PD1 O LCD Pin No18 56 VDD2 Vdd O Vdd 57 VSS2 Vss O Gnd 58 S26 PD2 O LCD Pin No19 59 S27 PD3 O LCD Pin No20 60 S28 PD4 O LCD Pin No21 61 S29 PD5 O LCD Pin No22 62 S30 PD6 O LCD Pin No23 63 S31 PD7 O LCD Pin No24 6...

Страница 19: ...gram designated components in which safety can be of special significance When replacing a component identified by 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 supp...

Страница 20: ...icance When replacing a component identified by 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 SCHEMATIC D...

Страница 21: ...ance When replacing a component identified by 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 SCHEMATIC DIA...

Страница 22: ... 29 28 SCHEMATIC DIAGRAM TUNER This is a basic schematic diagram ...

Страница 23: ... 30 WIRING DIAGRAM PRIMARY SECONDARY POWER TRANSFORMER AND CD LID SWITCH POWER TRANSFORMER PRIMARY P W BOARD POWER TRANSFORMER SECONDARY P W BOARD CD LID SWTICH P W BOARD ...

Страница 24: ...IN 19 20 21 22 23 24 VOL V 3 93 3 93 2 53 2 53 2 53 8 63 IC104 TA7291 PIN 1 2 3 4 5 6 7 8 9 VOL V 4 76 8 64 0 56 0 0 8 61 0 56 4 03 4 76 IC231 LA1844ML PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 VOL V 2 31 6 7 2 31 2 31 0 4 65 4 65 6 7 6 7 0 5 61 5 69 3 21 3 21 2 25 2 31 2 05 2 53 PIN 19 20 21 22 23 24 VOL V 0 0 27 2 58 2 58 6 69 6 69 IC241 LC72121M PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16...

Страница 25: ...1 2 41 2 41 PIN 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 VOL V 2 41 2 41 2 41 2 41 2 41 2 41 2 41 0 0 0 1 2 44 2 44 2 44 2 44 0 0 0 4 75 PIN 91 92 93 94 95 96 97 98 99 100 VOL V 0 0 0 4 73 4 76 4 76 4 71 4 75 0 4 71 TRANSOSTOR Q4410 Q4501 Q4502 Q4600 Q4601 Q4602 Q4603 Q4700 Q4800 Q4950 Q4960 Q4961 Q4962 Q4963 Q4990 Q4991 Q4992 Q4993 E 5 46 0 4 02 8 7 0 0 0 0 0 11 9 12 6 12 6 0 0 12 5 ...

Страница 26: ...4H COM3 COM3 1E 1M 1N 1C 2E 2M 2N 2C 3E 3M 3N 3C 4E 4M 4N 4C COM3 5E 5M 5N 5C 6E 6M 6N 6C 7E 7M 7N 7C 8E 8M 8N 8C ON RDS V2 V6 COM4 COM4 OFF 1L 1D REC SLEEP 2L 2D S2 S3 3L 3D S4 S5 4L 4D S6 COM4 S7 5L 5D COL P 6L 6D RANDOM SURR 7L 7D REPEAT MHz 8L 8D KHz S1 T3 V3 V7 COM2 5G 5I 5J 5H 6G 6I 6J 6H 7G 7I 7J 7H 8G 8I 8J 8H T2 MONO V1 V5 PAD NO 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40...

Страница 27: ...2P PHONES CN455 CN440 6P CN441 3P CN201 AM LOOP ANT CN450 CN458 TUNER AMP P W B L CH SPEAKER BOX R CH SPEAKER BOX CD P W B FRONT P W B TAPE DECK MECHANISM P T SECONDARY P W B P T PRIMARY P W B CD LID SWITCH P W B FU421 T4A L 250V P T AC IN FM ANT OPTICAL OUT CN431 VIDEO AUDIO IN SUB WOOFER CN420 3P BL CN412 CN411 BW BR RE BK CD LID MOTOR M ...

Страница 28: ...SANYO Technosound Co Ltd Osaka Japan Mar 01 1000 BB Printed in Japan ...

Страница 29: ... 23 22 FRONT P W BOARD WIRING DIAGRAM CD FRONT CD P W BOARD ...

Страница 30: ... 25 24 WIRING DIAGRAM TUNER AMPLIFIER ...

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