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Service Manual

FILE NO.

REFERENCE No.

Micro Component System

DC-MCR350M

(XE)

PRODUCT CODE No.
129 682 08

This service manual consists of "DC-MCR350MU/XE" (Main unit : 129 681 08) and

"SX-MCR300/XE" (Speaker system : 165 096 02).

Contents

Laser 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 .................................................... 18
Wiring connection ............................................................ 19
Schematic diagram
(CD)

MPEG section .......................................................... 20
Servo section ........................................................... 22

(FRONT) ....................................................................... 26

SM

5810604

(MAIN) ........................................................................... 30
(TUNER) ....................................................................... 34
(POWER AMPLIFIER) .................................................. 37
Wiring diagram
(CD) Parts side view .................................................... 24

Pattern side view ................................................. 25

(FRONT & JOG VR) ...................................................... 28
(LED) ............................................................................. 28
(DOOR SWITCH) .......................................................... 29
(MAIN) ........................................................................... 32
(TUNER) ....................................................................... 36
(POWER AMPLIFIER) Parts side view ....................... 38

Pattern side view .................... 39

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Содержание DC-MCR350M

Страница 1: ...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 18 Wiring connection 19 Schematic diagram CD MPEG section 20 Servo section 22 FRONT 26 SM5810604 MAIN 30 TUNER 34 POWER AMPLIFIER 37 Wiring diagram CD Parts side view 24 Pattern side view 25 FRONT JOG VR 28 LED 28 DOOR SWITCH 29 MAIN 32 TUNER 36 POWE...

Страница 2: ...he screw for normal 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 ch...

Страница 3: ...302 Q2802 J2106 R2803 J2104 J2102 R2802 J2100 J2101 J2300 C2222 C2211 J2108 CN231 D2102 J2305 Q2421 J2303 J2110 J2117 J2306 D2103 AM VT FM VT CN201 R2328 C2325 C2321 R2322 R2321 C2329 C2301 C2301 C2350 C2350 R2323 R2323 C2436 C2436 R2616 R2616 C2301 C2303 R2309C2312 R2310 R2310 R2310 R2314 R2430 R2105 R2105 R2103 R2103 R2108 R2108 C2406 C2406 R2416 R2416 R2414 R2414 C2109 C2109 C2201 C2201 C2213 C...

Страница 4: ...5 6 7 51 59 60 63 24 25 61 20 21 77 78 22 23 26 62 29 30 27 28 19 4 52 31 53 54 71 72 73 32 74 75 76 55 56 Y01 Y02 Y03 Y25 Y26 Y03 Y04 Y05 Y10 Y11 Y12 Y12 Y07 Y07 Y12 Y07 Y14 Y15 Y16 Y16 Y16 Y16 Y16 Y18 Y17 Y17 Y17 Y21 Y22 Y19 Y20 Y18 Y23 Y23 Y24 Y24 Y24 Y12 Y13 Y05 Y06 Y07 Y07 Y07 Y08 Y08 Y09 32 ...

Страница 5: ...PWB TOP TUNER 22 614 329 8755 HEAT SINK D AMP 23 614 328 2761 SHIELD AMP PWB TOP D AMP 24 614 329 2418 SHIELD TUNER PWB BOTTOM 25 614 329 4993 HEAT SINK MAIN PWB 26 614 328 2655 DEC WINDOW IR 27 614 328 2556 CABINET MIDDLE 28 614 328 2792 SHIELD 29 614 329 4535 CABINET BOTTOM 30 614 328 8947 ASSY STAND 31 614 327 7668 ASSY MECHA DA11B3N FIXING PARTS REF NO PART NO DESCRIPTION Y01 411 098 0702 SCR ...

Страница 6: ...734 G or 405 141 3109 TR KTC3203 Y or 405 024 9907 TR 2SD734 F R1530 402 083 3600 RESISTOR 15 J 2W SH101 614 329 6447 SHIELD PLATE CD X1451 645 059 0948 OSC CRYSTAL 16 9344MHZ X1601 645 059 0955 OSC CRYSTAL 27 000MHZ 27MHZ LED P W BOARD ASSY REF NO PART NO DESCRIPTION 72 614 328 1221 ASSY PWB LED Only initial CN630 645 005 8127 PLUG 6P FRONT SW or 614 310 2472 PLUG 6P FRONT SW CN631 645 040 1145 P...

Страница 7: ...SWITCH TACT or 645 006 5958 SWITCH PUSH 1P 1T REF NO PART NO DESCRIPTION CN433 645 031 7903 HOLDER FUSE or 645 006 4760 HOLDER FUSE CN434 645 006 4760 HOLDER FUSE or 645 031 7903 HOLDER FUSE CN435 645 031 7903 HOLDER FUSE or 645 006 4760 HOLDER FUSE CN436 645 031 7903 HOLDER FUSE or 645 006 4760 HOLDER FUSE CN440 645 005 8127 PLUG 6P or 614 310 2472 PLUG 6P CN455 645 005 8127 PLUG 6P or 614 310 24...

Страница 8: ...4070 405 023 5306 TR 2SD400 F MP or 405 023 5009 TR 2SD400 E MP or 405 141 1402 TR KTD863 GR Q4071 405 141 3208 TR KTC3198 Y or 405 141 3307 TR KTC3198 GR or 405 019 2708 TR 2SC536 F NP or 405 019 3804 TR 2SC536 G NP Q4320 405 004 5004 TR 2SA608 G NP or 405 004 4502 TR 2SA608 F NP or 405 141 3505 TR KTA1266 Y or 405 141 3406 TR KTA1266 GR Q4321 405 019 3804 TR 2SC536 G NP or 405 019 2708 TR 2SC536...

Страница 9: ...8 DETECT SWITCH MXS01190 645 052 2864 ASSY MOTOR Q2804 405 019 3804 TR 2SC536 G NP or 405 019 2708 TR 2SC536 F NP or 405 141 3307 TR KTC3198 GR or 405 141 3208 TR KTC3198 Y T2001 645 043 0213 FILTER 450KHZ X2107 645 061 3449 CERAMIC FILTER 10 7MHZ X2503 645 023 4965 OSC CRYSTAL 7 2MHZ XF211 645 059 0047 FILTER BP or 645 026 2975 FILTER BP 108MHZ or 614 252 1045 FILTER LC XF220 645 054 1223 CERAMIC...

Страница 10: ...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 IC140 TC74HCU04AFN EL HEX Inverter 14 13 12 11 10 9 8 1 2 3 4 5 6 7 1A 1Y 2A 2Y 3A 3Y GND Vcc 6A 5A 6Y 5Y 4A 4Y TOP VIEW PIN CONNECTOR LOGICAL CIRCUIT TRUTH VALUE 2 4 6 8 10 12 1Y 2Y 3Y 4Y 5Y 6Y 1A 2A 3A 4A 5A 6A 1 3 5 9 11 13 1 A Y L H H L 1 2 3 1 INPUT 2 COMMON 3 O...

Страница 11: ... Power Driver IC for CD Player 1 2 3 4 5 6 7 8 9 10 11 12 PW GND OUT Ĺ 1 PVCC1 OUT ĸ 1 VIN1 VR1 VC1 VIN2 OUT ĸ 2 PVCC2 OUT Ĺ 0 PW GND PW GND OUT Ĺ 4 PVCC4 OUT ĸ 4 VIN4 SVCC1 SGND VIN3 OUT ĸ 3 PVCC3 OUT Ĺ 1 PW GND 24 23 22 21 20 19 18 17 16 15 14 13 FUNCTION 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 f...

Страница 12: ...XOUT 31 O Crystal connection or output drive of an input clock source VSS 32 41 65 97 117 G Ground for core LA 19 0 33 40 43 54 O Address bus TDMFS 55 I Frame signal from CDROM TDMDR 56 I Data signal from CDROM TDMCLK 57 I Clock signal from CDROM TBCK 58 O Transmit clock when sending audio IIS data to external DAC SEL_PLL1 I PLL mode select 1 Pulldown to ground to bypass PLL Pullup to VCC for opti...

Страница 13: ...LATCH Q0 Q7 I O BUFFER IC180 MX29F004TPC 70 4M Bit Flash Memory 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC WE A17 A14 A13 A8 A9 A11 OE A10 CE Q7 Q6 Q5 Q4 Q3 A18 A16 A15 A12 A7 A6 A5 A4 A3 A2 A1 A0 Q0 Q1 Q2 GND MX29F004T B RF GND FM RF OUT FM RF IN RF Vcc AM LOW CUT MIX OUT FM OSC AM RF IN AM OSC ST LED OSC OUT Vcc AM IF IN FM IF IN GND IF REQ DET OUT...

Страница 14: ...20 23 28 A0 A9PP Input Address Input Row Address A0 A9 Column Address A0 A9 14 RAS Input Row Address Strobe 30 CASH Input Column Address Strobe Upper Byte Control 31 CASL Input Column Address Strobe Lower Byte Control 13 WE Input Write Enable 29 OE Input Output Enable 2 5 7 10 33 36 38 41 I O0 I O15 Input Output Data Input Output 1 6 21 VCC Supply Power 3 3V 22 37 42 VSS Ground Ground 11 12 15 16 ...

Страница 15: ...D I O 5 CLK I O 6 Top View DIP 20PIN SOP 20PIN TEST GATE AMP AMP AMP OT 4 OT 4 OT 1 OT 3 OT 2 OT 4 RESET PSC MODE LF FM HF FMH FML XT 1ms 1ms OSC 4 8 24 22 10 5 5 4 4 15 12 4 DO1 I O 5 CLK I O 6 I O 7 SCIN DO2 DO2 OT 4 I O 9 IFIN2 I O 6 IFIN2 I O 8 IFIN1 I O 5 IFIN1 GND VDD FMIN AMIN XT XT DATA CLOCK PERIOD Nor Cro Hi Lo Logic R R P R P P ALC Mute Mute Logic A B Logic Rec PB Ripple Rejection Rec A...

Страница 16: ...channel 2 positive power supply voltage for channel 2 negative digital supply voltage SYMBOL PIN DESCRIPTION IC597 TDA8921TH 2x50 Class D Power Amplifier IC601 PT6315 VFD Driver Controller IC OSC Serial Data Interface 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 31 32 33 34 35 36 37 38 42 41 40 39 1 2 3 4 7 6 8 9 5 30 13 11 10 Control Display Memory 24 bits x 17 Words Key Moter Memory LED Drive...

Страница 17: ...REBLE 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 OUT L VR IN L B1 L B2 L B3 L Tone OUT L T1 R IN1 R IN2 R IN3 R IN4 R SW OUT R VR IN R B1 R B2 R B3 R Tone OUT R T1 IC441 TC9422F...

Страница 18: ...or RIN 220kΩ typ R 1kΩ typ Hysteresis input R 1kΩ typ Pull down resistor RIN 70kΩ typ R 1kΩ typ Tri state I O R 1kΩ typ Tri state I O Hysteresis input R 1kΩ typ Sink open drain output Hysteresis input R 1kΩ typ Sink open drain output R 1kΩ typ Sink open drain or Segment output R 1kΩ typ Sink open drain or push pull output P41 High current output Hysteresis input Sink open drain output R 1kΩ typ SE...

Страница 19: ...16 P17 NP F2 F2 PIN No CONNECTION NOTES 1 F1 F2 Filament Pin 3 Pn Anode Pin 5 NX No Extended Pin 2 G Grid PIn 4 NP No Pin 35 1 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 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 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 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...

Страница 20: ...21 5P CN440 6P CN455 6P CN597 12P CN231 12P CN201 FM ANT CN203 AM LOOP ANT CN577 AUX IN L CH R CH CN598 3P CN567 PHONES CN599 3P POWER AMPLIFIER P W B MAIN P W B CD P W B FRONT P W B LED P W B DOOR SWITCH P W B JOG VR P W B CD MECHANISM TUNER P W B 10P TAPE DECK MECHANISM FU411 T4A L 250V FU499 T630mA L 250V FU410 T4A L 250V P T AC IN CN497 BL CN498 BW LOADING MOTOR M CN587 SPEAKERS L CH R CH This...

Страница 21: ...BUS01 DBUS02 DBUS03 DBUS04 LD3 LD4 LD5 LD6 LD7 A09 A11 A10 A08 A13 A14 A17 A06 A07 A12 A15 A16 A05 A04 A03 A02 A01 LD2 LD1 LD0 A00 LRCK DATA BCK BCK DATA LRCK A18 A17 A16 A15 A14 A13 A12 A11 A10 A09 A08 A07 A06 A05 A04 A03 A02 A01 A00 LD7 LD6 LD5 LD4 LD3 LD2 LD1 LD0 DA0 DA1 DA2 DA3 DA4 DA5 DA6 DA7 DA8 DBUS00 DBUS01 DBUS02 DBUS03 DBUS04 DBUS05 DBUS06 DBUS07 DBUS08 DBUS09 DBUS10 DBUS11 DBUS12 DBUS13...

Страница 22: ...67 68 69 70 71 72 73 74 75 76 77 78 79 80 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 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 2 3 4 5 6 6 5 4 3 2 1 A GND DSA_ACK DSA_DAT DSA_STB ESS_RE...

Страница 23: ...0 D1531 Q1530 L1280 L1603 C1151 OPN CLS M C1141 C1030 C1012 L1701 C1605 1AD4B10D2242A 94V 0 F01 MICIN MIC DISP_CLK DISP_DATA DISP_STB CD_RW RESET CCE GND BUCK BUS0 BUS1 BUS2 BUS3 CLOSE OPEN SLT GND IR_IN ESS_RESET DSA_STB DSA_DATA DSA_ACK LOGO_ON M_MUTE CDDA RF VC FE TE DISP_STB DISP_DATA C1625 C1703 C1245 C1712 C1722 C1288 C1292 CN113 CN111 MCR350 CD PWB D1011 CN180 IC160 IC120 IC110 IC140 IC121 ...

Страница 24: ...01 1000P 47 50 47 50 1000P 0 01 000 820 10K REVS MODE FM MODE FOLDER SELECT 100P OPEN CLOSE REC PAUSE 470 680 820 1K REW TUNING BACK FILE MEMORY FF TUNING FWD FILE 1 8K 1 5K 1 2K FUNCTION 270 270 KTC3875 4 7K KRC107S 100 6 3 4 7K KTC3875 270 270 0 01 000 000 0 01 270 270 KTC3875 4 7K CLOSE_SW KTA1504 1K 10K 15K 220 10 18K 18K 220 10 15K KTA1504 10K 1K KTA1504 15K 220 10 18K 1K 10K OPEN_SW KRC111S ...

Страница 25: ... J6009 J6204 J6203 J6104 J6105 J6106 J6100 J6202 J6107 J6010 J6011 IC601 R6024 C6008 C6009 C6003 C6005 C6101 C6102 R6101 R6102 C6050 C6040 R6040 R6041 R6042 R6050 R6051 R6052 R6043 R6053 R6044 R6054 R6045 R6055 R6046 R6001 C6001 R6002 Q6002 Q6001 R6056 R6026 This is a basic wiring diagram 1AD4B10D2220C 5 6 BLUE_LED GR_BL LED AMUBER_LED CLT GND CLT CLT GND GND GND T002 94V 0 D6301 D6302 CN630 D6303...

Страница 26: ...133 10U 16V 4 7K 1SS133 2 2K 220U 6 3V 100 K 1SS133 0 1 100 K 4 7K KTC3198 10K 10K 10K 10K 10K 4 7K 4 7K 4 7K 4 7K 4 7K 4 7K 10K 10K 10K 10K 10K 1K 4 7K 10K 10K 10K 0 1 10K 2 2K 1000P 10K 1SS133 100P 100P 100P 100P 100P 0 01 MPSA56 10K 10K 15K 330 1SS133 3 3K 470 KRC107M KRC107M MPSA56 MPSA56 1K QTMP87EP26 4 7K 1K 1K 10K 47K 47K 47K 10K 10K 0 01 47 10 1SS133 KTC3198 1K KTC3198 2 2K 1SS133 4 7K KTA...

Страница 27: ...651 J4737 J4717 J4709 J4704 D4370 D4369 J4504 J4603 CN409 J4714 J4713 J4712 J4601 J4708 J4505 J4711 J4506 J4602 J4710 J4509 J4739 J4740 J4741 J4743 J4749 J4750 J4744 JW402 JW401 JW412 JW431 TO_ CD_CN140 TO_TAPE_MECHA TO_TUNER_CN231 LG401 R4628 J4510 J4512 JW432 JW411 12V 8 5V 5 6V 5V TO_ D_AMP_CN599 TO_ D_AMP_CN597 PR431 J4508 R4349 J4971 J4982 J4972 J4981 X6501 X 6 5 0 2 C6503 L6501 C6502 J6707 J...

Страница 28: ...0 R2613 R2614 R2616 4 7 50 10 7M 10 7M 450K 330 0 47 50 TA2149N 1SS133 4 7K 10K 10K 10K 1K 0 022 1 50 KTC3195 1K 1K 1K 1K 7 2M 27P TC9257F 10K 10K KTC3195 KTC3195 220 16 0 1 10K KTC3195 3 3K 5600P 0 1 10K KTC3195 4 7 50 1 50 0 1 0 1 330P 0 001 0 01 2 2K 0 022 1 50 1 50 0 022 0 01 0 01 5 6K 5 6K 1SS133 220 16 560 KTC3195 1 50 0 022 1 5K 27P KTC3195 KTC3195 KTC3195 0 01 150K 1K 10K 6P 0 047 100K 330...

Страница 29: ...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 1 2 3 1 2 3 RCH OUT RCH OUT LCH OUT LCH OUT 1 2W 1 2W FUSE 1 4W FUSE 1 4W FUSE 1 2W 100V 100V FUSE 1 2W This is a basic schematic diagram WIRING DIAGRAM TUNER This is a basic wiring diagram E E E E E E E E E E E E E T002 94V 0 1AD4B10D2223F IC211 IC222 L2353 L2351 CT252 XF220 XF221 L2302 D2308 D2314 D2330 C2106 C2104 C2402 XF211 Q24...

Страница 30: ...ng diagram E E E 24 10 13 12 20 1 1AD4B10D2230A 94V 0 F01 E E CN577 CN587 S5970 CN567 R CH L CH VIDEO IN R5779 R5879 L5776 L5876 C5876 C5875 C5776 C5775 C5975 C5974 C5976 R CH L CH D5970 Q5974 Q5978 Q5977 D5971 C5783 C5883 R5877 POWER GND 12V RCH IN RCH IN LCH IN LCH IN MAIN MUTE SP RY 5 6V BEAT CUT1 NC VDD GND VSS L5875 L5775 CN598 C5973 C5972 L5970 L5971 L5973 L5974 Q5975 Q5972 D5972 R5780 R5880...

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