Sanyo DC-BM300 Service Manual Download Page 6 | Manualshive

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EXPLODED VIEW (CABINET & CHASSIS)

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Summary of Contents for DC-BM300

Page 1: ...t to do if 2 Laser beam safety precaution 2 CD pick up maintenance 2 Tape adjustments 3 Tuner adjustments 4 Exploded view Cabinet Chassis 5 Tape mechanism 9 CD mechanism 10 Parts list Cabinet Chassis 6 Tape mechanism 9 CD mechanism 10 IC block diagram description 11 FL display description 15 Wiring connection 16 Schematic diagram CD 18 FRONT 20 AMPLIFIER 24 TUNER 26 Wiring diagram CD 17 FRONT 22 A...

Page 2: ...ONNECTIONS L R IN VIDEO AUDIO L R RESET L R VIDEO AUDIO EXT ANT AM LOOP FM 75 AM LOOP FM 75 To an AC outlet FM outdoor aerial AM loop aerial FM indoor aerial R ch speaker L ch speaker Video equipment General Output power 12 5 W x 2 at 4 ohms 10 distortion Inputs VIDEO IN 500 mV 50k ohms Outputs SPEAKERS 4 ohms PHONES 8 32 ohms Power requirements AC 230V 240V 50Hz Power consumption 35 W Dimensions ...

Page 3: ...the unit for at least 30 seconds 3 Connect the mains lead 4 Resume the operation L R IN VIDEO AUDIO L R RESET EXT ANT AM LOOP FM 75 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 WAVELENGTH 790 nm L R IN VIDEO AUDIO L R RESET EXT ANT AM LOOP FM 75 CAUTION INVISIBLE LASER RAD...

Page 4: ... 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 NORMAL REVERSE Fig 1 Be sure to clean the heads before attempting to make any adjustment Be sure both channels 1 and 2 are the same level Using a dual channel oscilloscope Be sure both channel s waveform are same for the phase matching After completion of the adjustment use the threadlock TB 1401B to secure the azimuth adj...

Page 5: ...0 Q4963 Q4962 Q4961 Q4960 CD_R CD_GND CN48 IC443 C4701 C4702 C4551 C455 C4704 Q4700 C4833 C4603 L4602 Q4600 C4602 C4600 L4600 L4601 R4607 Q4603 R4601 8 5V J4315 J4503 J4605 J4502 J4305 J4304 J4306 J4626 J4628 J4311 J4314 J4 J4307 J4302 J J4520 J4308 J4309 J4324 R4602 J4301 J4608 R REC SW PACK SW NC F REC SW PLUNGER INI SW MOTOR PH1 GND REEL J4313 J4604 IC241 C2461 R2460 R2459 C2456 R2453 R2452 C24...

Page 6: ... 8 Y02 Y03 Y01 Y04 Y05 Y05 Y05 Y06 Y06 Y07 Y07 Y08 Y08 Y09 76 Y14 Y14 Y13 Y11 Y12 Y12 Y11 Y15 Y15 Y15 Y15 Y15 Y09 Y04 10 16 52 NSP 72 73 74 55 75 Y10 54 53 56 58 59 9 13 12 11 4 14 15 71 51 17 18 57 20 21 19 22 N S P Not supplied as service parts ...

Page 7: ... REFLECTOR STANDBY LED 9 614 303 1277 LATCH CAM DECK DOOR LOCKING 10 614 318 5956 BUTTON PLAY 11KEYS 11 614 318 5949 BUTTON TUNER 4KEYS 12 614 318 7486 HOLDER STAMDBY LED 13 614 323 0045 DEC WINDOW LED 14 614 318 6090 HOLDER LED 15 614 318 6236 REFLECTOR 16 614 318 6106 HOLDER REFLECTOR 17 614 322 9971 ASSY CABINET BOTTOM 18 614 129 1901 FIXER AC CORD or 614 284 1884 FIXER AC CORD 19 614 324 5612 ...

Page 8: ... 614 220 5471 SWITCH TACT S6210 645 006 5958 SWITCH PUSH 1P 1T or 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT S6211 645 006 5958 SWITCH PUSH 1P 1T or 614 240 1002 SWITCH TACT or 614 220 5471 SWITCH TACT SOCKET P W BOARD ASSY REF NO PART NO DESCRIPTION 72 614 323 0335 ASSY PWB SOCKET Only Initial CN681 614 310 2533 PLUG 12P or 645 006 0878 PLUG 12P CN682 645 006 0878 PLUG 12P or 614 310 25...

Page 9: ...201 405 151 4301 TR KTC3195 Y or 405 151 4806 TR KTC3195 O Q2451 405 036 3702 TR 2SA1564 or 405 151 5209 TR KRA107M or 405 000 0904 TR DTA114YS or 405 078 2404 TR BN1A4P Q4320 405 141 3406 TR KTA1266 GR or 405 004 4502 TR 2SA608 F NP or 405 004 5004 TR 2SA608 G NP or 405 141 3505 TR KTA1266 Y Q4321 405 141 3406 TR KTA1266 GR or 405 141 3505 TR KTA1266 Y or 405 004 4502 TR 2SA608 F NP or 405 004 50...

Page 10: ...BD82 D4281 407 196 5800 DIODE 1N5402BD82 D4282 407 196 5800 DIODE 1N5402BD82 D4283 407 196 5800 DIODE 1N5402BD82 D4284 407 098 3300 DIODE RL153 BF S2 L4191 645 038 6053 INDUCTOR 181U or 645 041 3087 INDUCTOR 180U PR420 645 014 2567 PROTECTOR 2 5A 125V TAPE MECHANISM REF NO PART NO DESCRIPTION 614 315 4839 ASSY MECHA TM DA370TN SH TM01 645 045 1799 R P HEAD KC 9142EA 0321 TM02 645 010 9454 PINCH RO...

Page 11: ...ULLEY PM11 614 237 7048 GEAR LOADING RETARD GEAR 1 PM12 614 300 5124 GEAR LOADING RETARD PM13 411 044 7502 SCR PAN SW 2X5 LOADING MOTOR FIX PM14 412 047 3904 SPECIAL SCREW LOADING GEAR FIX PM15 614 237 7079 GEAR LOADING GEAR 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 or 614 325 3952 SLIDE BASE UP DOWN PM19 614 31...

Page 12: ...FACE SLC RF Amp TE T SERVO T LOGICK F SERVO F LOGICK SPINDLE SERVO SLED SERVO IC103 MM1469XH CD Driver 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Vcc Vcc DRIVER MUTE D BUF D BUF D BUF D BUF D BUF D BUF D BUF D BUF Level shift Level shift Level shift Level shift T S D 1 PRE DRIVE INPUT LOGIC CIRCUIT 2 3 5 8 10 9 4 7 6 GND IN1 OUT1 P1 VZ VCC IN2 Input Output Action Br...

Page 13: ...LTER 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 IC441 LC75342M Function SW Electric VR 2 Band Equalizer 2 1 24 17 16 3 4 5 6 18 15 7 8 9 10 11 14 19 20 21 22 13 Vssx XIN XOUT FMIN AMIN CE DI CL DO VDD Vssd PD AIN AOUT Vssa IFIN IO1 IO2 BO1BO2 BO3 BO4 PHASE DETECTOR CHARGE PUMP UNLOCK DETECTOR UNIVERSAL COUNTER REFERENCE DIVIDER SWALLOW COUNTER 1...

Page 14: ... terminal for R ch 10 EFMIN I EFM signal input terminal for slice level control 43 XVDD Power supply of crystal oscillation 11 TEST2 I TEST pin 44 XOUT O 12 CLV O Output terminal for Disc motor control 45 XIN I 13 CLV O Output terminal for Disc motor control 46 XVSS GND of crystal oscillation 14 V P O Change of rough servo phase control 47 SBSY O Output terminal for synchronizing signal of Rough s...

Page 15: ... P87 AN7 I Connect to GND 76 S43 PF3 TAPE_INI I Tape Deck Initialize 27 P71 INT1 WRQ I CD DSP interface sub Q Request 77 S44 PF4 POW_RY O Power Relay Control Output High Relay On 28 P72 INT2 T0IN RDS IN I Serial date input for RDS IC 78 S45 PF5 SP_RY O Speaker Relay Control Output High Relay On 29 P73 INT3 T0IN IR I Remote control input 79 S46 PF6 LED O Light for CD 30 S0 T0 O Open 80 S47 PF7 Mote...

Page 16: ... 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 Dp 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 F F 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 F F PIN No CONNECTION 35 1 ...

Page 17: ... CN682 12P CN113 6P CN114 5P CN123 5P CN111 15P CN122 12P CD LOARDING MECHA 5P CD PICK UP MECHA 6P CD MECHANISM CD P W B POWER SUPPLY P W B 10P CN645 2P CN604 2P CN601 28P FL601 CD LED P W B FRONT P W B AMPLIFIER TUNER P W B SOCKET P W B TAPE DECK MECHANISM T4A L 250V VIDEO AUDIO IN CN450 SPEAKERS L ch R ch FM ANT AM LOOP ANT This is a basic wiring connection ...

Page 18: ...1505 J1509 J1410 J1513 J1414 J1413 J1412 J1411 J1507 J1501 J1502 CN122 J1316 J1503 RF IC101 LA9241M IC102 LC78622NE CN123 J1518 J1517 C1451 R1454 C1452 R1455 C1456 R1456 R1343 R1336 R1335 R1335 R1335 R1480 C1480 C1983 C1983 C1983 R1981 C1491 R1465 C1470 R1475 C1475 C1468 C1467 C1466 C1471 R1453 R1304 R1303 R1305 C1304 R1309 C1309 C1305 C1341 R1308 R1311 C1310 R1310 R1312 C1315 R1318 C1314 R1317 R1...

Page 19: ...4 3 2 1 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 1 2 3 4 5 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 CD L CD R DSP_RESET RWC DRF WRQ RWC SQOUT COIN CQCK A GND WRQ DSP_RESET SQOUT COIN CQCK DRF CD R CD L A GND E C D F SLED SLED D MUTE FSX CONT2 CONT1 TEST2 DVSS TB F E FIN1 FIN2 FSS...

Page 20: ...11 10 9 8 7 6 5 4 3 2 1 2 1 3 2 1 1 2 3 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 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 30 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 1 2 1 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ...

Page 21: ...T_BY MOTOR PLLUG REC M_MUTE RESET BEAT R_MUTE TRY_OPEN TU_DI D_CLK VF_DO 28V FL1 FL2 J6306 B GND TO CD_TRAY_LED GND TU_CE RESET TRY_CLS COIN SQOUT CQCK RWC DRF Q6301 Q6201 Q6202 J6307 J6317 X6102 J6117 J6103 J6118 J6209 Q6108 J6114 D6110 J6110 J6303 SE601 J6120 Q6107 Q6101 C6212 D6112 D6115 D6111 J6125 J6106 J6104 J6200 J6210 J6310 J6121 J6314 J6312 J6315 J6316 J6123 J6207 J6304 J6122 J6204 J6124 ...

Page 22: ... C4280 C4281 D4280 D4281 D4283 D4282 C4282 C4283 D4284 PR420 C4284 CN420 PT420 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 1 50 2700P 2700P 0 1 0 1 0 1 0 1 15K 15K 10 50 10 50 3 9K 3 9K 2200P 2200P 470 35 TDA7265 1000 25 1000 25 100P 100P 18K 1K 18K 1K 1SS133 10K 18K 2 2 50 47 50 0 1 100P 100P 0 1 0 1 2 2 2 2 1K 100K 100K 1K 33K 220K 39K 68K 47K 4 7K 39K 33K 220K 39K 47K 4 7K 39K 220K 6...

Page 23: ...000P 1SS133 330 0 01 120K 120K 0 47 50 0 01 LA1186N 0 01 22 0 022 18 SVC211 100K 100P 8 2U 1000P 100K SVC211 100K 0 01 1P 0 022 330K 15P 0 022 270 560 15P 5P 1 5K 2P 1000P 22P 33 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 1 2 3 FM IF AM MIX AM IF REG GND SD ST FM DET VDD MUTE F...

Page 24: ... J4518 J4519 NC CD_L 8 5V C4609 C4605 L4603 J4315 J4320 J4316 J4516 J4629 J4503 J4317 J4609 J4321 J4612 J4613 J4614 J4515 J4318 J4319 J4606 J4607 J4505 J4510 J4506 J4605 J4603 J4600 J4310 J4502 J4305 J4304 J4306 J4626 J4628 J4303 J4311 J4314 J4312 J4620 J4509 J4507 J4307 J4302 J4610 J4514 J4635 J4520 J4630 J4601 J4308 J4309 J4324 J4517 J4501 J4500 IC442 R4602 J4322 J4301 J4608 R REC SW PACK SW NC ...

Page 25: ...asic wiring diagram CN681 CN682 1AD4B10D1250D T002 94V 0 SOCKET P W BOARD 2500 CN420 CN411 CN412 L4191 FU421 PR420 D4284 1AD4B10D1250C T002 94V 0 T4A L 250V D4282 D4280 D4281 D4283 J4200 J4202 J4201 PT420 BW BL C4284 C4284 C4282 C4282 C4280 C4280 C4281 C4281 C4283 C4283 C4284 C4282 C4280 C4281 C4283 POWER SUPPLY P W BOARD ...

Page 26: ...SANYO Electric Co Ltd Osaka Japan Jul 02 BB Printed in Japan ...

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