Sanyo DC-MCR300 Service Manual Download

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WIRING DIAGRAM (TUNER)

This is a basic wiring diagram.

T002 94V-0

1AD4B10D2222F

IC211

IC222

L2353

L2351

CT252

XF220

XF221

L2302

D2308

D2314

D2330

C2106

C2104

C2402

XF211

Q2418

Q2415

Q2413

Q2427

L2313

T2001

J2111

J2113

D2100

D2101

J2115

X2107

XF222

Q2101

C2405

Q2510

Q2509

Q2505

Q2504

CN203

R2417

C2407

J2200

C2512

C2508C

C2301C

R2310

R2105

R2103

R2108

C2406C

R2416R

R2414

R2513

R2521

C2511C

C2507C

R2506R

R2522R

C2502

R2610R

R2606

R2607R

C2109C

R2605R

R2604R

C2802C

C2201

C2213

C2411C

R2403R

C2350

C2801C

R2315

R2323

C2304C

C2436C

C2518C

C2508

C2519

Q2803

Q2804

D2709

C2412

R2330

J2118

J2116

J2304

J2307

X2503

C2805

L2801

R2709

R2801

J2105

J2301

J2302

Q2802

J2106

R2803

J2104

J2102

R2802

J2100

J2101

J2300

C2222

C2211

J2108

CN231

D2102

J2305

Q2421

J2303

J2110

CN201

J2117

J2306

D2103

AM-VT

FM-VT

R2328
C2325

C2321

R2322 R2321

C2329

C2301

C2303

R2309

C2312

R2310

R2314

R2430

R2105

R2103

R2102

R2104

R2101

R2108

C2425

R2426

C2410

C2409

R2408

C2419

R2429
C2430

C2404

C2406

R2416

R2431

R2414

R2513

R2521

C2511

C2507

R2506

R2522

C2502

C2501

R2601

R2602

R2603

R2608

R2609

R2610

R2318

R2316

R2611

R2606

R2607

C2109

R2605

R2604

C2413

C2802

C2201

C2213

C2319

C2317

C2411

R2403

C2350

C2801

R2307

R2315

R2420

R2422

C2423

R2612

R2401

R2323

C2304

C2318

C2436

C2518

R2613

R2614

R2616

Summary of Contents for DC-MCR300

Page 1: ... beam safety precaution 1 Tape adjustments 1 Tuner adjustments 2 CD pick up maintenance 2 Exploded view 3 Parts list 4 IC block diagram description 8 FL display descriptions 16 Wiring connection 17 Schematic diagram CD 18 FRONT 22 MAIN 26 TUNER 30 POWER AMPLIFIER 33 Wiring diagram CD Parts side view 20 Pattern side view 21 FRONT JOG VR 24 LED 24 DOOR SWITCH 25 MAIN 28 TUNER 32 POWER AMPLIFIER Part...

Page 2: ... Torque Measurement 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 adjustment screws 1 Open the lid And press the Lid Close Key as Fig 1 2 Load a t...

Page 3: ...6 ohms TUNING FM 87 5 108MHz AM 522 1710 kHz 9 kHz steps 520 1710 kHz 10 kHz steps T002 94V 0 1AD4B10D2222F E E E E E E E E E E E E E IC211 IC222 L2353 L2351 CT252 XF220 XF221 L2302 D2308 D2314 D2330 C2106 C2104 C2402 XF211 Q2418 Q2415 Q2413 Q2427 L2313 T2001 J2111 J2113 D2100 D2101 J2115 X2107 XF222 Q2101 C2405 Q2510 Q2509 Q2505 Q2504 CN203 R2417 C2407 J2200 C2512 C2508 C2508 C2301 C2301 R2310 R2...

Page 4: ...0 3 5 6 7 51 59 60 24 25 61 20 21 77 63 65 64 78 22 23 26 62 29 30 27 28 19 4 52 31 32 53 54 71 72 73 74 75 76 55 56 Y01 Y02 Y03 Y24 Y25 Y03 Y04 Y05 Y10 Y11 Y12 Y12 Y07 Y07 Y12 Y07 Y14 Y15 Y16 Y16 Y16 Y16 Y16 Y17 66 Y17 Y07 Y20 Y21 Y19 Y18 Y22 Y22 Y23 Y23 Y23 Y12 Y13 Y05 Y06 Y07 Y07 Y08 Y09 ...

Page 5: ...D AMP 23 614 328 2761 SHIELD AMP PWB TOP D AMP 24 614 328 2778 SHIELD TUNER PWB BOTTOM 25 614 329 4993 HEAT SINK MAIN PWB 26 614 328 2655 DEC WINDOW IR 27 614 328 2556 CABINET BOTTOM 28 614 328 2792 SHIELD 29 614 329 4535 CABINET BOTTOM 30 614 328 8947 ASSY STAND 31 614 327 7668 ASSY MECHA DA11B3N 32 For details to page 8 TAPE MECHANISM FIXING PARTS REF NO PART NO DESCRIPTION Y01 411 098 0702 SCR ...

Page 6: ... 405 002 0308 TR 2SA1037K R or 405 005 5508 TR 2SA812 M6 Q6312 405 146 2206 TR KTC3875 GR or 405 146 2107 TR KTC3875 Y or 405 011 1006 TR 2SC1623 L6 or 405 014 4509 TR 2SC2412K R DOOR SWITCH P W BOARD ASSY REF NO PART NO DESCRIPTION 73 614 328 1245 ASSY PWB DOOR SW Only initial CN621 645 040 1152 SOCKET 5P S6210 645 023 5795 SWITCH LEVER OPEN_SW FRONT P W BOARD ASSY REF NO PART NO DESCRIPTION 74 6...

Page 7: ... 4406 DIODE 1SS133 D4626 407 012 4406 DIODE 1SS133 D4627 407 012 4406 DIODE 1SS133 D4628 407 099 9509 ZENER DIODE MTZJ30B D6501 407 012 4406 DIODE 1SS133 D6502 407 012 4406 DIODE 1SS133 D6503 407 012 4406 DIODE 1SS133 D6504 407 012 4406 DIODE 1SS133 D6701 407 012 4406 DIODE 1SS133 D6702 407 012 4406 DIODE 1SS133 HS401 614 329 1046 HEAT SINK MAIN PWB HS402 614 328 3010 HEAT SINK IC434 409 463 6701 ...

Page 8: ...231 8704 PHOTO DIODE SPS 441 1 VG X6501 645 063 9791 OSC CRYSTAL 7 372800MHZ X6502 645 032 1627 OSC CRYSTAL 32 768KHZ Q2510 405 151 4301 TR KTC3195 Y or 405 151 4806 TR KTC3195 O Q2802 405 143 0007 TR KRC107M or 405 000 3806 TR DTC114YS Q2803 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 Q2804 405 019 3804 TR 2SC536 G NP or 40...

Page 9: ...2W R5880 401 314 1309 MT FILM 4 7 FD 1 4W S5970 614 224 4531 RELAY or 645 035 6582 RELAY S5971 645 059 0306 RELAY or 645 030 5597 RELAY SA501 411 021 4005 SCR S TPG BIN 3X12 FOR HS501 IC BLOCK DIAGRAM DESCRIPTION DVSR RO DVDD DVR LO DVSL TEST1 TEST2 TEST3 BUS0 BUS1 BUS2 BUS3 VDD VSS BUCK CCE TEST4 TSMOD RST TEST0 HSO UHSO EMPH LRCK 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 1 2 3...

Page 10: ...26 GVSW 27 AGCIN 28 RFO 29 GND 30 RFN2 15 14 13 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 I I 10pF 15pF 40pF 15pF 3pF 10pF 3pF 36pF 40pF SW1 SW3 SW2 1 2 3 1 INPUT 2 COMMON 3 OUTPUT IC434 KIA7805API Regulator 1 4 5 2 3 IC443 BA7755A Rec Play Switch ...

Page 11: ...tage are not connected to other channel terminal Non inverted output for CH1 Input for CH1 Not biased inside Input reference voltage Under condition of VRI Ł 1 8V internal bias circuit is shut off No signal input condition VR1 VIN Output reference voltage VOUT VCI VCC VF 2 24 13 12 1 Input for CH2 Non inverted output for CH2 Supply terminal of output stage for CH2 Inverted output for CH2 Power GND...

Page 12: ...7 26 25 24 23 22 21 20 19 18 17 Vref CK DATA STB 32BIT SR 50k 500 750 50k 100k MAIN VR 50k 64STEP 13k 13k 1k BASS VR 50k 16STEP TREBLE VR 50k 16STEP 50k CAPACITOR FOR OSCILLATION GAIN CONTROL 0 6 12 18dB INPUT SELECTOR 500 750 50k 100k MAIN VR 50k 64STEP 13k 13k 1k BASS VR 50k 16STEP TREBLE VR 50k 16STEP CAPACITOR FOR OSCILLATION GAIN CONTROL 0 6 12 18dB INPUT SELECTOR L IN1 L IN2 L IN3 L IN4 L SW...

Page 13: ...0 AN7348K Play Rec Pre Amp IC222 TC9257F Tuner PLL IC 2 MODULUS PRESCALER 4bit SWALLOW COUNTER POWER ON RESET TRI STATE BUFFER TRI STATE BUFFER OUTPUT PORT ADDRESS DECODER OSC CIRCUIT PHASE COMPARATOR 12bit PROGRAMMABLE COUNTER 20bit BINARY COUNTER UNIVERSAL COUNTER CONTROL REFERENCE COUNTER 24bit REGISTER 24bit SHIFT REGISTER 24bit REGISTER MAX 1 2 UNLOCK I O PORT TEST GATE AMP AMP AMP OT 4 OT 4 ...

Page 14: ...nel 1 channel 1 PWM output negative power supply voltage for channel 1 decouping capacitor of internal stabilizer for logic supply handle wafer must be connected to VSSD negative power supply voltage for channel 2 channel 2 PWM output bootstrap capacitor for channel 2 positive power supply voltage for channel 2 negative digital supply voltage SYMBOL PIN DESCRIPTION Description LED Output Pin Oscil...

Page 15: ...1 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 VSS BOOT VAREF P57 AIN7 P56 AIN6 P55 AIN5 P54 AIN4 P53 AIN3 P52 AIN2 P51 AIN1 P50 AIN0 P36 P35 P34 P33 P32 P31 P30 P17 P16 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 VSS XOUT XIN RESET XOUT P22 XIN P21 TEST INTS STOP P20 INT3 TC3 P40 PMW PDO ...

Page 16: ...SEG0 P87 SEG32 to P80 SEG39 P77 SEG24 to P70 SEG31 P67 SEG16 to P60 SEG23 P7 P8 IC651 TMP87EP26F 4K76 Micro Controller Control Pin I O Remarks XIN XOUT XTIN XTOUT RESET STOP INTS TEST BOOT Input Output Input Output I O Input Input Resonator connecting pins high frequency Rf 1 2MΩ typ Ro 1 5kΩ typ R 1kΩ typ Resonator connecting pins low frequency Rf 6MΩ typ Ro 220kΩ typ R 1kΩ typ Sink open drain ou...

Page 17: ...3 C2411 C2411 R2403 R2403 C2350 C2350 C2801 C2801 R2315 R2315 R2323 R2323 C2304 C2304 C2436 C2436 C2518 C2518 C2508 C2519 Q2803 Q2804 D2709 C2412 R2330 J2118 J2116 J2304 J2307 X2503 C2805 L2801 R2709 R2801 J2105 J2301 J2302 Q2802 J2106 R2803 J2104 J2102 R2802 J2100 J2101 J2300 C2222 C2211 J2108 CN231 D2102 J2305 Q2421 J2303 J2110 CN201 J2117 J2306 D2103 AM VT FM VT R2328 C2325 C2321 R2322 R2321 C2...

Page 18: ...0 Q5978 R5983 D5972 S5971 R5991 R5992 C5992 47 63 0 1 0 1 0 1 0 22 47P 0 015 0 015 4 7 4 7 0 47 560P 0 22 33UH 33UH 22 0 015 0 015 560P 0 47 0 22 0 22 22 0 22 5 6K 330P 330P VSSA2 SGDN2 VDDA2 IN2 IN2 MODE OSC IN1 IN1 VDDA1 SGND1 VSSA1 PROT VDDP1 BOOT1 OUT1 VSSP1 STABI HW VSSP2 OUT2 BOOT2 VDDP2 VSSD 0 1 5 6K 5 6K 5 6K BEAD BEAD BEAD VDDP VSSP VDDA VSSA 0 22 0 1 0 1 0 1 0 1 KTC3198 KTC3198 1K 1K 10K...

Page 19: ...598 C5973 C5972 L5970 L5971 L5973 L5974 Q5975 Q5972 D5972 R5780 R5880 R5777 S5971 CN597 C5992 IC597 CN599 R5991 R5992 R5871 R5771 R5772 R5872 C5871 C5771 C5872 C5772 C5991 C5970 C5971 C5779 C5879 C5989 C5989 C5778 C5778 R5776 R5776 R5775 R5775 C5978 C5978 C5986 C5986 C5989 C5979 C5979 C5977 C5977 R5979 R5979 R5988 R5988 C5979 C5977 C5982 C5984 C5980 C5980 R5875 R5875 C5983 C5983 C5981 C5981 C5980 ...

Page 20: ...H IN LCH IN RCH IN RCH IN GND NC BEAT CUT1 POWER MAIN MUTE 5 6V SP RY 12V C5992 Q5975 Q5974 Q5978 D5972 Q5972 S5971 L5775 R5779 R5879 CN567 D5971 Q5977 CN577 R CH L CH CN598 VIDEO IN D5970 L5776 L5876 L CH R5777 R5780 C5783 R5880 L5875 R5991 C5972 R5992 R5877 C5883 CN587 R CH C5973 S5970 This is a basic wiring diagram WIRING DIAGRAM POWER AMPLIFIER Pattern Side View ...

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