Sanyo DC-BM500 Page 24 Service Manual Download | Manualshive

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SCHEMATIC DIAGRAM (FRONT for KR & TW)

This is a basic schematic diagram.

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Summary of Contents for DC-BM500

Page 1: ...OPEN CLOSE SOUND PRESET BASSXPANDER PTY SELECT CLOCK TIME TUNING TUNING TUNER BAND PHONES M I C R O C O M P O N E N T S Y S T E M PTYCHECK PRESET PRESET CD 30 TUNER for XE 34 TUNER for KR TW 38 AMPLIFIER for XE 42 AMPLIFIER for KR 48 AMPLIFIER for TW 50 Wiring diagram FRONT for XE 24 FRONT for KR 28 FRONT for TW 29 CD 32 CD TRAY LED KOUTE 33 TUNER for XE 36 TUNER for KR TW 40 POWER AMPLIFIER PRE A...

Page 2: ...tice Tuner Reception frequency FM 87 5 108 0 MHz AM 522 1710 kHz TW 522 1710 kHz 9 kHz step KR 520 1710 kHz 10 kHz step KR MW 522 1611kHz 9 kHz step XE 520 1610 kHz 10 kHz step XE LW 144 288 kHz XE 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 m...

Page 3: ...n press RESET rear of the unit for at least 30 seconds SPEAKERS 6 MIN L R L SPEAKERS 6 MIN VIDEO AUDIO R IN RESET L R FM 75 AM LOOP FM 75 AM LOOP FM indoor aerial FM FM outdoor aerial FM AM loop aerial AM To an AC outlet AC Video equipment L ch speaker R ch speaker SYSTEM CONNECTIONS KR TW FOR XE FOR KR TW L R L SPEAKERS 6 MIN VIDEO AUDIO AM LOOP EXT ANT R IN FM 75 RESET ...

Page 4: ...S 1 ADJUSTMENTS 1 Confirm the tracking balance 1 Turn on the POWER switch 2 Connect an Oscilloscope to TP2 TE and TP4 VC 3 Set the test disc 4 Press PLAY button to turn into the PLAY mode 5 Keep holding SKIP button down so as to be SERCH mode then confirm that the oscilloscope waveform is symmetrical on the top and bottom in relation to 0V VC 200mV div 5ms div L R L SPEAKERS 6 MIN VIDEO AUDIO AM L...

Page 5: ...See Fig 1 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 Fig 1 at the same phase during reverse playback 7 Adjust so that the waveforms for the left and right channels are in alignment 1 Azimuth Adjustment 3 Torque Measurement 2 Tape Speed Adjustment Test Cassette Take up Torque Back...

Page 6: ...3 22pin is 0 00 0 05V 2 Cover Connect Digital DC voltmeter to 87 5MHZ 1 35 0 10V check only Voltage TP11 H TP12 E 108 0MHZ 6 5 0 50V check only 2 MW Step Adjusting Connection SG Adjustment Remark Circuit Input Output Frequency 1 Connect Sweep generator to test point TP13 L or TP14 R and TP15 E 2 Cover Connect Digital DC voltmeter to 522kHZ 1 00 0 05V Voltage TP11 H and TP12 E 1611kHZ 7 30 0 50V ch...

Page 7: ...utput Frequency 1 Alignment voltage IC231 Alignment voltage IC231 3 22pin TP24 25 is 0 0 0 05V 3 22pin is 0 0 0 05V 2 Cover Connect Digital DC voltmeter to 87 5MHZ 1 00 0 05V check only Voltage TP11 H TP12 E 108 0MHZ 6 5 0 50V check only 2 AW Step Adjusting Connection SG Adjustment Remark Circuit Input Output Frequency 1 Connect Sweep generator to test point TP13 L or TP14 R and TP15 E 2 Cover Con...

Page 8: ...2 6 Y02 Y03 Y01 Y04 Y05 Y05 Y05 Y06 Y06 Y07 Y07 Y08 Y09 Y10 Y10 Y11 Y12 Y13 Y14 Y14 Y15 Y16 Y18 Y18 Y17 Y17 Y19 Y21 Y22 Y22 Y22 Y22 Y22 Y20 Y16 Y10 Y04 8 12 52 13 72 73 74 75 76 55 56 57 59 58 XE 60 77 14 16 17 18 15 7 9 3 10 11 71 51 19 20 21 22 23 53 54 24 Y12 61 Y23 KR TW 58 58 ...

Page 9: ...PG BIN 3X10 F PANEL ASSY GEAR Y03 411 021 3503 SCR S TPG BIN 3X10 F PANEL LATCH CAM Y04 411 021 3503 SCR S TPG BIN 3X10 FRONT PCB Y05 411 021 3503 SCR S TPG BIN 3X10 F PANEL MECHA Y06 411 021 3503 SCR S TPG BIN 3X10 HOLDER LED F PANEL Y07 411 021 3503 SCR S TPG BIN 3X10 H REFLECTOR H LED Y08 411 021 3503 SCR S TPG BIN 3X10 H REFLECTOR PWB Y09 411 021 3503 SCR S TPG BIN 3X10 PRE AMP PWB HOLDER Y10 ...

Page 10: ...EMC 58 645 016 9939 CORD POWER 1 74MK XE 58 645 047 8055 CORD POWER 1 8MK KR 58 645 044 6474 CORD POWER 1 7MK TW 59 423 017 0007 FUSE 250V 1A XE KR 59 423 021 6804 FUSE 125V 2A TW 60 645 048 6012 TRANS POWER XE 60 645 050 2071 TRANS POWER KR 60 645 050 8905 TRANS POWER TW 61 614 320 3315 ASSY WIRE AMP TO R P HEAD 62 645 050 3795 FLEXIBLE FLAT CABLE CD PICK UP 63 614 320 3346 ASSY WIRE PT TO AMP FL...

Page 11: ...6 Y or 405 141 3406 TR KTA1266 GR Q4850 405 019 3804 TR 2SC536 G NP or 405 019 2708 TR 2SC536 F NP or 405 141 3208 TR KTC3198 Y or 405 141 3307 TR KTC3198 GR Q4930 405 155 0002 TR MPSA56 Q4931 405 143 0007 TR KRC107M or 405 000 3806 TR DTC114YS Q4940 405 155 0002 TR MPSA56 Q4941 405 000 3806 TR DTC114YS or 405 143 0007 TR KRC107M Q4970 405 004 5004 TR 2SA608 G NP or 405 004 4502 TR 2SA608 F NP or ...

Page 12: ...UG 3P or 614 310 2441 PLUG 3P CN212 614 320 3339 ASSY WIRE TU POWERAMP 8P CT251 645 032 5236 TRIMMER 18PF CT252 645 032 5663 TRIMMER 7PF D2103 407 012 4406 DIODE 1SS133 D2104 407 012 4406 DIODE 1SS133 D2151 407 012 4406 DIODE 1SS133 D2153 407 105 1602 VARACTOR DI SVC342M V or 407 105 1305 VARACTOR DI SVC342L V D2301 407 063 9108 ZENER DIODE MTZJ6 8B D2450 407 012 4406 DIODE 1SS133 D2451 407 012 44...

Page 13: ...HZ L2451 645 001 4581 INDUCTOR 100U K Q2451 405 036 3702 TR 2SA1564 or 405 151 5209 TR KRA107M or 405 000 0904 TR DTA114YS REF NO PART NO DESCRIPTION or 405 078 2404 TR BN1A4P Q2900 405 019 3804 TR 2SC536 G NP or 405 019 2708 TR 2SC536 F NP or 405 141 3208 TR KTC3198 Y or 405 141 3307 TR KTC3198 GR SH201 614 256 3052 SHIELD T2002 645 046 2023 FILTER 450KHZ X2451 645 023 4965 OSC CRYSTAL 7 2MHZ XF2...

Page 14: ...R 2SD400 E MP XE or 405 023 5306 TR 2SD400 F MP XE Q4030 405 141 3307 TR KTC3198 GR XE or 405 141 3208 TR KTC3198 Y XE or 405 019 2708 TR 2SC536 F NP XE or 405 019 3804 TR 2SC536 G NP XE RY400 645 030 5597 RELAY XE WR400 614 017 8203 TERMINAL BOARD TERMINAL BOARD WR401 614 017 8203 TERMINAL BOARD TERMINAL BOARD PARTS LIST REF NO PART NO DESCRIPTION PARTS LIST TAPE MECHANISM TAPE MECHANISM REF NO P...

Page 15: ...ADING GEAR EXPLODED VIEW CD MECHANISM PM01 PM02 PM04 PM05 PM03 PM04 PM05 PM06 PM07 PM14 PM09 PM08 PM10 PM11 PM12 PM20 PM24 PM13 PM15 PM16 PM17 PM18 PM19 PM22 PM25 PM26 PM27 PM25 PM25 PM26 PM26 PM27 PM27 PM25 PM26 PM27 PM23 PM28 PM29 PM21 PM30 REF NO PART NO DESCRIPTION PM16 411 020 9902 SCR S TPG BRZ FLG 3X8 GEAR A112 FIX PM17 614 300 5131 GEAR LOADING CUM GE PM18 614 237 7208 SLIDE BASE UP DOWN P...

Page 16: ...R REF1 Vcc2 DRF CE DAT CL CLK DEF NC TBC FSC DGND SLI SLC RFS RFSM CV CV SLOF HFL TES TOFF TGL JP JP SL SL SLD SLEQ SPD SP SPG SP NC AGND FE FE FA FA FD FD TO JP TD TD TA TH SCI TESI TE TE TB F E FIN1 FIN2 APC RF DET REF VCA I V BAL VCA INTER FACE SLC RF Amp TE T SERVO T LOGICK F SERVO F LOGICK SPINDLE SERVO SLED SERVO IC103 LA6541 Pick up Actuator Motor Driver 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...

Page 17: ... REC OUT R REC IN REC PB SW A B SW FILTER GND VCC CRO NOR HI LO ALC L REC OUT L REC IN ALC L PB AMP OUT L PB EO L PB NF R PB AMP L PB AMP 5 7 9 11 1 6 2 3 10 8 4 MUTE ST BY IN L IN R IN L IN R GND OUT L OUT R Vs Vs IC440 TDA7265 Stereo Amplifier IC231 LA1844ML Tuner System IC450 LC75342M 2 band equalizer CONTROL CIRCUIT LOGIC CIRCUIT CCB INTERFACE CONTROL CIRCUIT 15 14 16 17 18 19 20 21 22 24 25 2...

Page 18: ...TOFF O Output terminal of tracking off 18 TGL O Output terminal for change of tracking gain 19 JP O Output terminal for tracking jump control 20 JP O Output terminal for tracking jump control 21 PCK O Clock monitor output terminal for EFM data playback 4 3218 MHz 22 FSEQ O Output terminal for detect of SYNC signal 23 VDD 5V power supply terminal digital circuit 24 CONT1 I O 25 CONT2 I O This outpu...

Page 19: ...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 64 S32 PE0 O LCD Pin No25 65 S33PE1 O LCD Pin No26 66 S34 PE2 O LCD Pin No27 67 S35 PE3 O LCD Pin No28 68 S...

Page 20: ...d a b f h j k g m c e p r n d a b f h j k g m col c e p r n d a b f h j k g m c e p r n d a b f h j k g m c e p r n d 10G 9G 8G 7G 6G 5G 4G 3G 2G 1G PIN No CONNECTION 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 F2 F2 NP 10G 9G 8G 7G 6G 5G 4G 3G 2G 1G NX NX P17 P16 P15 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 P14 P13 P12 P11 P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 NP F1 F1 PIN No CONNECTION 35 1 ...

Page 21: ... for KR TW ONLY PIN 1 2 3 4 5 6 7 8 9 10 11 12 VOL V 2 88 1 47 0 74 8 01 7 98 0 1 86 8 01 7 74 0 7 95 7 83 PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 VOL V 2 31 6 62 2 31 2 29 0 0 02 0 03 6 64 6 62 0 04 5 55 5 65 3 22 3 22 2 18 2 3 2 05 2 73 PIN 19 20 21 22 23 24 VOL V 0 3 11 2 38 2 38 6 62 5 13 PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 VOL V 1 6 0 0 2 0 13 0 14 0 03 0 08 11 14 5 34 0...

Page 22: ...5 0 02 4 8 4 82 0 07 0 Q1301 Q1401 Q2140 Q2152 Q2153 Q2154 Q2155 Q2156 Q2157 Q2201 Q2310 Q2451 Q2452 Q2453 Q2502 Q2900 Q4020 Q4030 E 4 93 7 87 0 01 0 01 0 01 0 01 0 01 0 01 9 11 0 01 4 87 11 35 11 34 11 33 2 86 11 32 0 01 5 5 C 1 51 5 01 0 01 0 01 0 01 0 01 0 01 0 02 0 26 0 01 6 67 0 01 11 29 0 26 2 86 12 06 0 11 11 62 B 4 31 7 25 0 68 0 26 0 8 0 26 0 26 0 8 0 01 0 01 5 43 11 28 0 16 11 03 0 62 12...

Page 23: ... 23 22 SCHEMATIC DIAGRAM FRONT for XE This is a basic schematic diagram ...

Page 24: ... 27 26 SCHEMATIC DIAGRAM FRONT for KR TW This is a basic schematic diagram ...

Page 25: ...n 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 supply circuit before returning the product to th...

Page 26: ... 33 WIRING DIAGRAM CD TRAY LED KOUTE KOUTE P W BOARD CD TRAY LED P W BOARD ...

Page 27: ...t e d components in which safety c a n b e o f s p e c i a l s i g n i f i c a n c e W h e n 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 e x p o s e d p a r t s a r e acceptab...

Page 28: ... 39 38 SCHEMATIC DIAGRAM TUNER for KR TW This is a basic schematic diagram ...

Page 29: ... m 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 v o l t a g e t h a t a r e designated in the parts list in this manual Leakage current or resistance measurements must be made to determine that e x p o s e d p a r t s a r e acceptably in...

Page 30: ... d components in which safety c a n b e o f s p e c i a l s i g n i f i c a n c e W h e n 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 o r r e s i s t a n c e measurements must be made to determine that e x p o s e d p a r t s a r e a...

Page 31: ... d components in which safety c a n b e o f s p e c i a l s i g n i f i c a n c e W h e n 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 o r r e s i s t a n c e measurements must be made to determine that e x p o s e d p a r t s a r e a...

Page 32: ... 52 WIRING DIAGRAM POWER SUPPLY POWER SUPPLY P W BOARD for KR POWER SUPPLY P W BOARD for TW POWER SUPPLY P W BOARD for XE ...

Page 33: ...2 12P CN451 11P CN450 7P CN480 5P CN471 6P CN470 10P CN490 CN485 CN460 28P 10P PRE AMPLIFIER P W B ANT AM FM LOOP 75ohm OPTICAL OUT CN204 CN201 CN205 3P CN202 8P CN203 6P CN645 2P CN604 2P CN481 PHONES CN601 28P CN613 6P CN612 12P FL601 CN444 21P CN443 21P CN440 3P CN430 8P TUNER P W B CD TRAY LED P W B FRONT P W B POWER AMPLIFIER P W B CD LOARDING MECHA 5P CD PICK UP MECHA 6P CD MECHANISM CD P W ...

Page 34: ... 25 24 WIRING DIAGRAM FRONT for XE ...

Page 35: ... 28 WIRING DIAGRAM FRONT for KR ...

Page 36: ... 29 WIRING DIAGRAM FRONT for TW ...

Page 37: ... 32 WIRING DIAGRAM CD ...

Page 38: ... 37 36 WIRING DIAGRAM TUNER for XE ...

Page 39: ... 41 40 WIRING DIAGRAM TUNER for KR TW ...

Page 40: ... 45 44 PRE AMPLIFIER P W BOARD WIRING DIAGRAM POWER AMPLIFIER PRE AMPLIFIER for XE POWER AMPLIFIER P W BOARD ...

Page 41: ... 47 46 PRE AMPLIFIER P W BOARD WIRING DIAGRAM POWER AMPLIFIER PRE AMPLIFIER for KR TW POWER AMPLIFIER P W BOARD ...

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