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Sharp CD-MP700, Service Manual

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Sharp CD-MP700 Service Manual Download Page 22

CD-MP700/CD-MP77

– 22 –

A

B

C

D

E

F

G

H

1

2

3

4

5

6

• NOTES ON SCHEMATIC DIAGRAM can be found on page 35.

Figure 22 SCHEMATIC DIAGRAM (7/10)

TAPE MECHANISM
PWB-F

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 

37 

33 

32

31

45 44 43 42 41 40 39 38 

50 49 48 47 46 

81 82 83 84 85 86 87 88 89 90 91 92 93 94 

+10V

NC

NC

NC

O/C_SW

NC

M_+13V

ILU_LED1

DIST0/S20 

DIST1/S19 

DIST2/S18 

DIST3/S17 

DIST

NC

SOL 

SOL 

S21 

S11 

S10

CD  CLAMP  SW 

T1  RUN

MIC  SW

NC

NC

NC

NC

NC

NC

NC

NC

NP

NX

NX

NX

NX

NX

NX

NX

F 

F 

S1

S2

S3

S4

S5

S12 

S13 

S14 

48

49

50 JOG2

JOG1

SP_RLY

REMOCON 

VSS 

SMUTE 

T_SOL_A 

T_MOTOR 

TIMER  LED 

VDD 

AC_RLY

G9

G8

G7

P21 

P20 

P19 

P18 

P17 

P16 

P15 

P14 

P13 

P12 

P11 

P10 

P09 

P08 

P07 

P06 

P05 

P04 

P03 

P02 

P01 

G07 

G08 

G09 

T_SOL_B 

T2  RUN

FPA/FPB 

S6

S7

S8

S9

VLOAD 

S15 

S16 

SP  DET

T2  RUN

+MTR

SOL2

SOL1

GND 

T1  RUN

F_REC

+

–

M

5

7

6

7

7

7

6

45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11

A+10V

S_MUTE

SW_5V

M_+13V

PROTECT

SP_RLY

D_GND

REC/PLAY

T_T1/T2

T_BIAS

DI

CE

CLK

DO

SP_DET

–20dB

15 

1 

2 

3 

4 

6 

5 

7 

8 

9 

10 

11 

16 

CNP701B

P17  12 - F

TO MAIN PWB

LED B PWB-A5

LED A PWB-A4

1 

1 

2

1 

2

1 

2

2 

1 

2 

2

1

1

1

4

3

2

1

4

3

5

2 

1 

14 

13 

12 

1

2

3

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

+B

MOTOR DRIVER

SOLENOID

DRIVER

SOLENOID

DRIVER

LED DRIVER

BI703

LED703

A503BC2E

CNS703

BI704

CNS704

CNP704

R749

330

CNP703

R751

330

Q710

KRC102 M

C707

1/50

R794

1.5

FL701

FL DISPLAY

R762

10K

R730

1K

R725 1K

R764 1K

R758 1K

R731 10K

R736 1K

R733 1K

R721

1K

R724 1K

R726 680

R727 680

R728 2.2K

R729 560

R735 1K

R746 1K

R734 1K

IC701

IX0555AW

SYSTEM MICROCOMPU

R757

1K

R750

47K

R770

10K

R772

10K

R732

1K

R776

10K

R775

10K

R780 10K

R765 4.7K

R76

10

R756

LED701

304VT2E1

JOG701

JOG VOLUME

C710

0.0047

C709 0.0047

R779

10K

R777

10K

R778

10K

Q706

KTA1273 Y

Q707

KTA1273 Y

Q708

KTA1273 Y

CNP702

FFC702

C712

47/25

D710

DS1SS133

D709

DS1SS133

R740

4.7K

CNP701A

FFC701

LED704

A503BC2E

Summary of Contents for CD-MP700

Page 1: ...NT PARTS LIST EXPLODED VIEW PACKING OF THE SET SERVICE MANUAL This document has been published to be used for after sales service only The contents are subject to change without notice SHARP CORPORATION In the interests of user safety the set should be restored to its original condition and only parts identical to those specified be used Illustration CD MP700 MINI COMPONENT SYSTEM MODEL CD MP77 CD...

Page 2: ...ETURNING THE AUDIO PRODUCT Fire Shock Hazard Before returning the audio product to the user perform the following safety checks 1 Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the audio product 2 Inspect all protective devices such as insulating materials cabinet terminalboard adjustmentandcompartmentco...

Page 3: ...on 24 Disc Play or Repeat Tape Play Button 25 Disc Track Up or Fast Forward Tape 2 Fast Forward Tuner Preset Up Button 3 4 5 2 1 6 11 9 7 8 10 12 16 14 15 17 13 22 23 24 25 18 19 20 21 Display 1 Disc Pause Indicator 2 Extra Bass Indicator 3 MP3 Disc Indicator 4 Disc Number Indicators 5 Tape 2 Record Indicator 6 FM Stereo Mode Indicator 7 FM Stereo Receiving Indicator 8 Timer Play Indicator 9 Sleep...

Page 4: ...tton 12 Disc Random Button 13 MP3 Disc Display Button 14 Direct Search Buttons 15 Tuner Preset Up and Down Buttons 16 Disc Track Up or Fast Forward Tape 2 Fast Forward Button 17 Disc Play or Repeat Tape Play Button 18 Extra Bass Button 19 Equalizer Mode Select Button 20 Volume Up and Down Buttons 21 Tuner Band Button 22 Video Auxiliary Button 1 2 4 5 6 7 8 9 10 15 3 14 18 19 20 21 22 11 12 16 17 1...

Page 5: ... 2 Be sure to remove the power supply plug from the wall outlet before starting to disassemble the unit 3 Take off nylon bands or wire holders where they need to be removed when disassembling the unit After servicing the unit be sure to rearrange the leads where they were before disassembling 4 Take sufficient care on static electricity of integrated circuits and other circuits when servicing Figu...

Page 6: ...1 E2 x2 F2 x1 Main PWB Transformer PWB Power PWB G3 x1 Display PWB Open Cassette Holder Tape Mechanism H1 x5 ø3x10mm Lug Wire Front Panel Headphones PWB J1 x1 ø3x10mm G2 x10 ø3x10mm G1 x1 CD Player Unit Loading Tray K2 x1 K1 x2 Turntable L1 x3 3 L1 x3 Loading Tray 1 2 Loading Tray M1 x2 ø3x10mm M3 x2 CD MP3 PWB M2 x1 M3 x2 CD Mechanism N2 x2 N1 x1 N1 x1 Loading Tray ...

Page 7: ... 3 Tweeter 1 Screw C1 x2 7 3 4 Super Tweeter 1 Screw D1 x4 7 3 STEP REMOVAL PROCEDURE FIGURE CP E700 CP E77 A3 x4 ø4x16mm B2 x4 ø4x16mm D1 x2 ø3x12mm C1 x2 ø3x12mm D1 x2 ø3x12mm Speaker Box Woofer Tweeter Super Tweeter Super Tweeter Passive Radiator A1 x4 ø4x40mm Speaker Box A2 x1 Figure 7 2 Screwdriver Driver should be pried away from Speaker Box B1 x1 Speaker Box ...

Page 8: ...on of the arrow B Note When installing the pinch roller pay attention to the spring mounting position How to remove the belt TAPE 2 See Fig 8 4 1 Remove the main belt D1 x 1 pc from the tape motor side 2 Remove the FF REW belt D2 x 1 pc How to remove the belt TAPE 1 See Fig 8 4 1 Remove the main belt E1 x 1 pc from the tape motor side 2 Remove the FF REW belt E2 x 1 pc How to remove the motor See ...

Page 9: ...the loading motor See Fig 9 1 1 Bend the hooks A1 x 5 pcs to remove the loading motor Figure 9 1 ADJUSTMENT MECHANISM SECTION Driving Force Check Torque Meter Specified Value Play TW 2111 Tape 1 Over 80 g Tape 2 Over 80 g Torque Check Torque Meter Tape 2 Play TW 2111 30 to 80 g cm 30 to 80 g cm Fast forward TW 2231 70 to 180 g cm Rewind TW 2231 70 to 180 g cm Specified Value Tape 1 Specified Value...

Page 10: ...50 MHz T301 fL 1 Coverage 1 3 V 0 1 V FM RF 98 00 MHz 98 00 MHz L312 2 10 30 dB Test Stage Instrument Connection Frequency Frequency Display Setting Adjusting Point Figure 10 1 ADJUSTMENT POINTS Items adjusted automatically 1 Offset adjustment The offset voltage between the head amplifier output and the VREF reference voltage is compensated inside the IC Focus offset adjustment Tracking offset adj...

Page 11: ...ut Tracking OFF play at that specific point MEMORY key input Tracking ON play from that specific point STOP key input STOP IL isn t done VOL Last memory BAL CENTER P GEQ FLAT X BASS OFF To cancel Power OFF Sliding the PICKUP with button must only be in STOP mode MEMORY key input Adjustment result automatically will display as below for each 2 sec a FOFF_XX b TOFF_XX c TBAL_XX d TGAN_XX f FGAN_XX g...

Page 12: ...tion and B PROTECTION display In case speaker abnormal detection or B PROTECTION had occurred it can be check by pressing POWER VIDEO and X BASS key twice Display will show S B S is referring to speaker abnormal detection and B is referring to B PROTECTION is in hex valve B PROTECTION is condition when irregular process occur on power supply line BEFORE TRANSPORTING THE UNIT The following process ...

Page 13: ...30 IC6 SI3033LU VOLTAGE REGULATOR 1 3 2 CNS4 BI4 CNP4 SW1 OPEN CLOSE SW2 CLAMP SW3 DISC NUMBER M3 T T UP DOWN LOADING MOTOR 1 2 4 3 5 6 1 2 4 3 5 6 1 2 4 3 5 6 IC4 LC32V4265B 4M D RAM VCC VCC VCC DOEB DCASUB DCASLB 1 6 22 23 39 44 29 30 31 3 3V MDATA0 MDATA3 MDATA4 MDATA7 DWEB DRASB MDATA8 MDATA11 MDATA12 MDATA15 ADRS0 ADRS3 ADRS4 ADRS8 2 5 15 7 10 18 21 24 28 35 38 40 43 16 23 30 MDATA0 MDATA7 MD...

Page 14: ... 14 12 13 1 2 19 7 18 10 63 49 50 47 13 21 4 2 24 23 6 9 16 12 11 15 1 H N P B REC T1 T2 T1 T2 NOR HIGH B5 B5 B5 SYSTEM MUTE TAPE MECHANISM ASS Y MOTOR DRIVER SOLENOID DRIVER B3 B3 LED703 LED704 JOG701 JOG VOLUME IC701 IX0555AW SYSTEM MICROCOMPUTER 2 2 FM B B5 SWITCHING IC302 LC72131 PLL TUNER FM Q360 9 10 21 17 7 MO ST FM AM OSC B5 5 4 3 6 22 11 16 15 CLK DO DI CE 1 20 VT X352 4 5 MHz IC303 LA183...

Page 15: ... SW711 SW718 SW721 SW724 KEY TO CD SECTION TO CD SECTION IC701 IX0555AW SYSTEM MICROCOMPUTER 1 2 FL701 FL DISPLAY 27 85 80 33 45 86 1 2 4 5 6 7 8 14 18 2 78 70 5 1 1 2 3 11 6 7 1 5 8 100 33 31 37 26 15 46 1112 10 16 17 20 2122 2324 41 79 54 3 38 52 51 55 40 48 25 13 30 39 34 47 T F PT801 MAIN POWER TRANSFORMER SYSTEM MUTE TAPE MECHANISM ASS Y RESET SP DET SP RELAY ON OFF FAN MOTOR DRIVER IC851 IC8...

Page 16: ...9 GR R612 390 R605 10K C609 1 50 R607 3 9K C607 0 12 C605 0 12 C611 0 0022 C613 1 50 C615 4 7 50 C617 1 50 C619 1 50 C621 1 50 IC601 LC75341 AUDIO PROCESSOR C651 220P C652 220P R602 1K R601 1K C653 220P C60 220 C603 22 50 C608 0 12 C606 0 12 C624 1 50 C622 1 50 C620 1 50 C618 1 50 C616 4 7 50 C614 1 50 C626 0 0022 R608 1 2K C625 0 0022 R609 1 2K R620 22K C640 22 50 R621 22K C639 1 50 CNP101 CNP102...

Page 17: ...S ROUT VREF VDD CLK 1 2 3 MUTING MUTING SWITCHING BIAS BIAS OSC 16 1 CNP701A P22 1 F TO DISPLAY PWB SOR C653 220P C601 220 16 C602 0 022 R603 1K C603 22 50 C608 0 12 C610 1 50 R604 10K C612 0 0022 R606 3 9K C606 0 12 C624 1 50 C622 1 50 C620 1 50 C618 1 50 C616 4 7 50 C614 1 50 R642 10K R643 6 8K R641 10K R644 6 8K C626 0 0022 R608 1 2K 49 50 R137 220K R136 220K R138 10K R139 10K Q108 KTC3199 GR Q...

Page 18: ...SC C334 22P CH R323 68K R336 10K IC301 TA7358AP FM FRONT END BF301 BAND PASS FILTER CNP301 C303 10P CH C304 0 01 C305 4 7P CH R302 10 C306 0 022 C307 10 50 C324 4 7P UJ VD303 SVC211C C313 22P CH R309 10K C310 15P CH T301 T302 C312 0 022 C309 0 001 C320 0 001 VD302 SVC211C D305 DS1SS133 C308 4 7P CH R311 100K L312 R313 33K R314 22 C316 0 022 C314 0 0047 C317 0 001 C315 0 0047 Q302 KTC3194 Y C318 10...

Page 19: ...351 AM IF C389 0 001 C397 0 022 R382 150 R381 10K C392 0 001 C387 0 022 R380 1 5K C393 1 50 R379 2 2K C380 10 50 81 CH C394 47 25 L351 100 µH R377 47K C386 330P C385 0 01 52 MHz 2 CH R375 470 C383 47P R372 1K R374 1K R373 1K R378 1K R386 22K R395 47K R376 1K R360 4 7K R359 1 8K R387 5 6K R384 5 6K C391 47 25 R383 5 6K R385 5 6K Q360 KTA1266 GR C388 0 001 C384 0 001 R392 270 C395 0 022 C396 100 10 ...

Page 20: ...11 100 100 R902 56K R901 56K C901 0 1 50 C902 0 1 50 R958 100 1 4W Fusible R908 1K R922 0 1 3W C919 0 01 ML R921 1 5K R920 1 8K Q901 KTC3199 GR D905 DS1SS133 D906 DS1SS133 Q902 KTC3199 GR R918 1 5K C917 0 01 ML R917 0 1 3W R919 1 8K C916 100 50 C918 100 50 R926 1 5K 1 2W R925 1 5K 1 2W ZD903 DZ12BSB ZD902 DZ12BSB D907 DS1SS133 Q904 KTC3199 GR Q903 KTC3199 GR C925 47 50 R934 56K R935 56K R937 56K L...

Page 21: ... WTM802 C843 0 047 ML D842 1N4004S D843 1N4004S D844 1N4004S D845 1N4004S C842 470 35 Q841 KTC3199 GR C841 1000 6 3 R843 47K R842 1K R938 10 1 2W R939 10 1 2W R941 10 1 2W C929 0 1 ML R940 10 1 2W C928 0 1 ML D911 DS1SS133 Q905 KTC3199 GR R946 47K RL914 R942 390 2W R943 390 2W R945 1 5K R944 1 5K Q906 KTC3203 Y R949 1K D912 DS1SS133 R950 68K C931 10 50 R947 15K CNP971 WTM901 FW901 SO901 SPEAKER TE...

Page 22: ...45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 A 10V S_MUTE SW_5V M_ 13V PROTECT SP_RLY D_GND REC PLAY T_T1 T2 T_BIAS DI CE CLK DO SP_DET 20dB 15 1 2 3 4 6 5 7 8 9 10 11 16 CNP701B P17 12 F TO MAIN PWB LED B PWB A5 LED A PWB A4 1 1 2 1 2 1 2 2 1 2 2 1 1 1 4 3 2 1 4 3 5 2 1 14 13 12 1 2 3 B B B B B B B B B B B B B B MOTOR DRIVER SOLENOID DRI...

Page 23: ...RESET REMOTE SENSOR DRF R795 1 5 C701 1 50 C702 220 10 R706 1K R763 1K R701 100 R702 1K R703 1K R705 1K R704 1K R709 1K R710 1K R711 1K R712 1K R739 1K R713 1K R714 1K R715 1K R716 1K R717 100 R769 1K C721 0 022 C704 15P XL701 4 194304 MHz R708 1K C705 18P C720 0 022 R747 4 7K R759 5 6K R791 4 7K R748 10K R722 1K R725 1K R736 1K R733 1K R718 1K R719 1K R720 1K R721 1K R724 1K R726 680 R727 680 R72...

Page 24: ... LD 3 7 1 2 6 4 5 8 6 7 3 4 2 1 8 5 6 7 3 4 2 1 8 5 6 7 3 4 2 1 8 5 VCC VREF E A B F C GND PUIN SL SL SP SP 4 3 5 1 6 2 2 1 6 5 4 3 2 1 6 5 4 3 2 1 6 5 4 3 M M CD MP3 PWB C TP2 TP3 CD MOTOR PWB D B B B B B B B B B B B B B B B B B B B B B B B LASER DRIVER 8 2K 22K 8 2K 0 01 47 25 8 2K 8 2K 22K 0 01 KTA1271 Y SLED MOTOR SPINDLE MOTOR PICKUP IN 100 10 1 100 10 1 LA6574H FOCUS TRACKING SPIN SLED DRIVE...

Page 25: ...MDOUT OVF CNTOK WOK VSS DVDD6 CRCF STDAT STCK STREQ VSS DVDD5 VSS DVDD4 VSS VSS DVDD2 AVSS VPDO VCOC VPRFR AVDD1 SBCK SFSY SBSY PW DVDD1 TEST2 CKOUT VSS CKIN 16M TEST1 C2FIN ADLRCK ADBCK ADDATA LRSY VSS VSS DCASLB DCASUB DOEB ADRS8 ADRS7 ADRS6 ADRS5 ADRS4 VSS VCC ADRS3 ADRS2 ADRS1 ADRS0 DRASB DWEB VCC VCC 5V ANL 5V DIG DGND L CH AGND R CH 8 7 6 5 4 3 1 2 M 3 5 5 4 2 6 3 2 5 6 1 1 3 4 6 2 1 4 SUB C...

Page 26: ...6 C614 C602 C606 C60 C608 C610 C603 C383 IC302 R386 C396 R384 R387 L351 C391 C380 R392 R391 C393 Q360 R382 C389 L352 R375 ZD351 Q302 T301 T351 CF352 C398 C370 C352 CF351 R309 C358 C357 CF303 IC303 X351 C371 C367 C373 C362 R358 C374 C368 R357 C365 C364 C372 T306 C639 C909 Q601 Q602 C901 C946 C906 C905 L902 R934 R935 D907 L901 C911 C912 R922 R921 R920 C919 Q901 D905 C920 R938 R941 R940 R939 C928 C92...

Page 27: ...CNP101 Q105 C615 Q113 Q114 BI601 C613 R149 D852 D851 D857 R859 ZD852 C863 D859 R860 C865 C858 D858 R852 R853 C855 C854 IC853 IC852 IC851 C864 R857 IC855 D910 R930 ZD903 C918 R928 R929 R926 D909 R925 ZD902 C922 WTM901 C921 R919 C917 D906 C916 Q902 R918 R916 R927 C914 C915 12 R958 C851 C640 R854 03 4 C623 C624 C621 C622 C619 C620 C617 C618 IC601 C616 C605 C607 614 C609 C602 C606 C601 C608 C603 CNP70...

Page 28: ...SKIP SW723 OPEN CLOSE CNP702 FFC702 R740 D710 D709 D711 C712 Q708 D713 D714 Q707 Q706 D715 C714 JOG701 JOG VOLUME Q709 R783 R748 R795 C701 CNP704 RD20 SW721 X BASS DEMO SW722 EQUALIZER C717 BI701 WTM701 FW701 D712 CNS704 E C B E C B E 3 2 1 C B CNS701 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 1 2 1 1 2 2 1 5 10 90 95 100 1 6 1 1 2 3 4 5 6 7 7 1 2 1 13 LED B PWB A5 DISPLAY PWB A2 10 11 12 9 8 7 6 5 4...

Page 29: ...05 TUNING TIME UP CNP701A SW706 TIMER SLEEP SW707 CLOCK RD01 SW701 POWER Q710 CNP703 LED701 R794 C707 R728 R727 R726 R733 R765 SW702 MEMORY SET R725 R762 R721 SW703 REC PAUSE SW715 STOP SW718 FAST REWIND PRESET DOWN SW714 TAPE SW711 CD L701 R750 FL701 RD13 RD P BI703 CNS703 LED703 3 2 1 19 18 17 6 45 44 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 1 2 1 2 1 5 10 15 20 25 30 31 35 40 45 50 51 55 60...

Page 30: ...27 R41 C32 R47 R9 C30 R45 R7 C2 C36 R83 1 2 3 CNP6 CNP7 CNP2 C12 C1 C18 C24 C23 C82 C20 C37 FJ1 XL2 C50 C22 XL1 C62 C65 C58 C63 CNP4 CNP3 R58 C69 C90 C34 C43 C3 C44 C41 C42 R57 CNP1 C11 C10 Q6 C21 CD MP3 PWB C BOTTOM VIEW B C E 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 8 9 101112 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 1 2 3 4 5 6 1 2 3 4 5 6 CNS601 P27 8 A FROM MAIN PWB CNS701 P28 1 D FROM DISPLAY PWB CNS2A P33 7 G FR...

Page 31: ... C6 C9 R10 C8 R2 R11 C16 R1 R5 R4 R6 R3 C15 C13 C14 R13 R12 R14 R15 R17 R56 R19 R44 IC1 C17 C19 R30 C25 L1 R28 C46 R27 R65 R73 R64 R77 R66 R67 C52 R69 R72 R74 R78 IC5 C51 L2 R76 CD MP3 PWB C TOP VIEW 44 40 35 30 25 23 22 20 15 12 11 5 1 10 34 33 1 5 10 15 20 22 23 25 30 35 40 44 1 5 10 14 15 20 25 28 1 5 10 15 20 21 25 30 35 40 41 45 50 55 60 61 65 70 75 80 1 5 10 15 20 21 25 30 35 40 41 45 50 55 ...

Page 32: ...4 2A 125V C810 C811 D801 D802 CNP801 C804 R803 C801 R804 C802 ZD801 R806 D806 Q801 R808 C803 ZD803 R844 R805 R801 R802 D804 D803 D805 C807 C806 C805 C842 Q841 R843 C841 D842 D843 D844 D845 R858 C861 C843 IC854 PT841 SUB POWER TRANSFORMER D856 D853 R841 RL841 C844 CNP802 D846 BK WH WTM801 E 3 2 1 B C E C B 1 4 1 2 3 4 5 6 10 9 8 7 6 5 4 3 2 1 1 4 FW701 P28 1 E FROM DISPLAY PWB CNS801 P27 12 G FROM ...

Page 33: ... 6 RD WH GR WH GR WH 1 2 3 4 5 6 1 2 3 4 5 6 CD MOTOR PWB D CD LOADING MOTOR PWB E SW1 OPEN CLOSE SW3 DISC NUMBER SW2 CLAMP M3 T T UP DOWN LOADING MOTOR RD WH BK WH WH BK 1 2 3 4 5 6 1 6 BL YL WH BK PK WH BK 7 6 5 4 3 2 1 PK BK WH 2 3 1 P27 12 C TO MAIN PWB CNP102 CNP101 P27 12 A TO MAIN PWB TAPE 2 ERASE HEAD RECORD PLAYBACK HEAD TAPE 1 PLAYBACK HEAD WH BK GR GR BL YL WH PK BK WH PK GR 1 2 SW TAPE...

Page 34: ...30 29 28 27 26 PIN NO VOLTAGE 1 3 25 V 1 66 V 1 66 V 1 66 V 1 66 V 3 25 V 1 66 V 1 66 V 1 66 V 10 1 66 V 11 12 13 0 V 14 0 V 15 3 13 V 16 3 26 V 17 0 V 18 19 0 V 20 0 V 21 0 V 22 3 25 V 23 0 V 24 0 V 0 V 0 V 0 V 0 V 3 25 V 3 25 V 3 25 V 2 80 V 1 66 V 1 66 V 1 66 V 1 66 V 0 V 1 66 V IC4 9 8 7 6 5 4 3 2 25 34 35 36 37 38 39 40 1 66 V 1 66 V 41 42 1 66 V 0 V 43 44 33 32 31 30 29 28 27 26 PIN NO VOLTA...

Page 35: ...and the unit of the capacitor without such a symbol is microfarad As to electrolytic capacitor the expression capacitance withstand voltage is used CH TH RH UJ Temperature compensation ML Mylar type P P Polypropylene type Schematic diagram and Wiring Side of P W Board for this model are subject to change for improvement without prior notice REF NO DESCRIPTION POSITION SW712 TUNER BAND ON OFF SW713...

Page 36: ... 09 51 15 500 ms div NORM 20 kS s 2 1 Record Length Smoothing ON CH1 0 000 V CH2 0 000 V Main 100 K Zoom 2 K Mode NORMAL Type EDGE CH2 Delay 2 924 ms Hold off 0 2 µs CH3 0 00 V CH4 0 00 V BW FULL Trigger Filter Offset 1 IC1 21 6 IC1 22 T T TE DRF Stopped CH1 10 V DC 10 1 CH2 1 V DC 10 1 100 ms div 100 ms div NORM 100 kS s 2 1 Record Length Smoothing ON CH1 0 0 V CH2 0 00 V Main 100 K Zoom 2 K Mode...

Page 37: ... UDSKA0004AFZZ TROUBLESHOOTING When the CD does not function When the CD section does not operate when the objective lens of the optical pickup is dirty this section may not operate Clean the objective lens and check the playback operation When this section does not operate even after the above step is taken check the following items Remove the cabinet and follow the trouble shooting instructions ...

Page 38: ...ocus servo activated Waveform drawing Figure 38 2 Pins 7 11 79 and 80 on IC1 Check the laser diode driver Q1 peripheral circuit When a disc is loaded start playback operation 2 Does DRF change from L to H Is the disc rotating 3 Is the HF waveform normal Waveform drawing Figure 38 3 Check the spin system If the disc is spinning and a HF waveform is generated DRF will go H Figure 38 1 Check the lase...

Page 39: ...ot activated Check the peripheral circuits at pins 14 15 and 20 on IC1 and CNS1A B If the waveform shown in Figure 39 1 appears and soon after NO DISC appears 2 Tracking system check Check the TE waveform at pin 15 on IC1 A normal jump operation cannot be completed or the beginning of the track cannot be found Check the around pin 20 on IC1 Initialization is possible but play is not possible Data ...

Page 40: ...ff 0 2 µs CH3 0 00 V CH4 0 00 V BW FULL Trigger Filter Offset CH1 v DIV 500 mV 1999 04 05 17 33 17 Is pin 52 C2F on IC1 L Yes No The HF waveform is normal and the time is displayed normally but no sound is produced Or the sound has dropouts 5 Others There are too many error flags on a damaged disc which makes error correction impossible Check again using a known good disc 1 When playing at normal ...

Page 41: ...neral purpose I O terminal 5 27 SBCK CONT6 Input Output Input Mode General purpose I O terminal 6 or Subcode reading clock input terminal 28 SBCK FG Input Subcode reading clock input terminal FG signal input terminal external emphasis setting terminal Terminal functions are set by commands When not used connect to 0 V 29 DEFECT Output L Defect terminal 30 V P Output H Auto switching monitor output...

Page 42: ...t must be set LOW after first applied power on 67 DRF Output L Focus detection output port 68 VDD5 Input Power supply for Microprocessor 69 VSS GND for digital circuit Must be connected to 0 V 70 CONT3 Input Output Input General purpose port 1 71 CONT2 Input Output Input General purpose port 2 72 CONT1 Input Output Input General purpose port 3 73 PDO1 Output Internal VCO control phase comparator o...

Page 43: ...D RCHO RVSS LVSS LCHO LVDD LC78646E MIX LPF LPF LPF TBAL TBAL RAM LEVEL SET AGC EQ SW PH BH MONI CONT A D SERVO PROCESSOR TRACK JUMP AUTO ADJUST JITTER DETECT 1bit DAC 8FS DIGITAL FILTER GENERAL PURPOSE PORTS COMMAND INTERFACE CLOCK GENERATOR CLV CAV CONTROL PLL VCEC SLICE LEVEL CONTROL APC S H D A SW DRF RUPTURE DEFECT FRAME SYNC DETECT PROTECT INSERT EFN DECODE VDD SUBCODE DECODE CRC MONITOR SIG...

Page 44: ...us 0 24 MDATA1 Input Output DRAM data bus 1 25 MDATA2 Input Output DRAM data bus 2 26 MDATA3 Input Output DRAM data bus 3 27 MDATA4 Input Output DRAM data bus 4 28 MDATA5 Input Output DRAM data bus 5 29 MDATA6 Input Output DRAM data bus 6 30 MDATA7 Input Output DRAM data bus 7 31 DVDD3 Input I O digital supply pin 32 VSS GND ground pin 33 MDATA8 Input Output DRAM data bus 8 34 MDATA9 Input Output ...

Page 45: ...a serial output CDROM H active 72 OVF Output DRAM write interrupt flag CD DA H active DRAM data transfer clock output CDROM H active 73 CMDOUT Output Command serial data output Nch open drain output pin 74 CMDIN Input Command serial data input 75 MP3 CL Input Command serial clock input 76 MP3 CE Input Command enable input H active 77 INTB Output Interrupt signal output L active 78 RESB Input Syste...

Page 46: ...A ADBCK ADLRCK C2FIN TEST1 CKIN VSS CKOUT TEST2 DVDD1 PW SBSY SFSY SBCK AVDD VPRFR VCOC VPDO ACSS DVDD2 VSS MDATA0 MDATA1 MDATA2 MDATA3 MDATA4 MDATA5 MDATA6 MDATA7 DVDD3 VSS MDATA8 MDATA9 MDATA10 MDATA11 MDATA12 MDATA13 MDATA14 MDATA15 DATACK DATAIN RESB INTB MP3 CE MP3 CL CMDIN CMDOU OVF CNTOK WOK VSS DVDD6 CRCF FSYNC STDAT STCK STREQ VSS DVDD5 ADRS0 ADRS1 ADRS2 ADRS3 ADRS4 ADRS5 ADRS6 ADRS7 VSS ...

Page 47: ...sk mark is open terminal which is not connected to the outside RAS UCAS Clock generator No 1 Clock generator No 2 LCAS A0 A8 Mode control Refresh counter Low address buffer Column address buffer Row decoder 262144 memory cells x 16 bits 512 512x16 512 Sense ampllfler I O gate Column decoder Pre decoder Substrate bias generator Clock generator No 3 Lower byte Upper byte Data input buffer I O1 to I ...

Page 48: ...m clock 25 RESET Reset 26 27 X2 X1 Cryatal Main system clock 28 VSS0 Ground 29 VDD0 Power supply 30 P25 TI80 SS20 Port 2 Timer input Chip select input 31 P26 TO80 Port 2 Timer Output 32 34 P00 P02 Port 0 35 P03 Port 0 36 P04 Port 0 37 VSS1 Ground 38 P05 Port 0 39 42 P50 P53 Port 5 43 AVDD Analog power supply 44 AVREF Analog reference voltage Terminal Name Pin No Function In this unit the terminal ...

Page 49: ...ref RVref CONTROL CIRCUIT CONTROL CIRCUIT CONTROL CIRCUIT LOUT LBASS LIN LSEL0 L4 L3 L2 L1 R1 R2 R3 R4 RSEL0 RIN RTRE LTRE RBASS ROUT VREF VDD CLK DI CE VSS CCB INTERFACE CD Tuner Tape Video 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 LC75341 DI CE VSS LOUT LBASS LTRE LIN LSEL0 L4 L3 L2 L1 CLK VDD VREF ROUT RBASS RTRB RIN RSEL0 R4 R3 R2 R1 ...

Page 50: ... Connect to GND 28 ANI5 PLAY2 FPA FPB SW Input Tape F P A B SW PLAY 2 SW 29 ANI4 PROTECT Input Power abnormal detect 30 ANI3 LVL_DET Input Speaker output level detect 31 33 ANI2 ANI0 KEY 2 KEY 0 Input Key input 34 AVDD AVDD Input Analog VDD 35 AVREF AVREF Analog ref voltage 36 INTP3 P_IN Input Power failure detect 37 P02 CLAMP SW Input CD CLAMP SW 38 INTP1 SP_DET Input Speaker abnormal detect 39 I...

Page 51: ...pen 60 P112 NO USE Input Open 61 P111 NO USE Output Open 62 P110 NO USE Input Open 63 P107 ILU_LED1 Output Illumination LED1 64 P106 ILU_LED2 Output Illumination LED2 65 P105 ILU_LED3 Output Illumination LED3 66 P104 FOR PLY_LED Output Forward play LED 67 P103 REV PLY_LED Output Reverse play LED 68 P102 STOP_LED Output Stop LED 69 FIP30 DIST Input Distination input 70 FIP29 S21 Output FL segment d...

Page 52: ...SSIGNMENT P1 1G S1 S2 S3 S4 a b k j h f m d g p e n r c Dp a b k j h f m d g p e n r c Dp a b k j h f m d g p e n r c Dp a b k j h f m d g p e n r c Dp a b k j h f m d g p e n r c Dp a b k j h f m d g p e n r c Dp a b k j h f m d g p e n r c Dp a b k j h f m d g p e n r c Dp S1 S2 S3 S4 S1 S2 S3 S4 S1 S2 S3 S4 S1 S2 S3 S4 S1 S2 S3 S4 S1 S2 S3 S4 S1 S2 S3 S4 2G 3G 4G 5G 6G 7G 8G 9G P2 P3 P4 P5 P6 P...

Page 53: ...represents capacity difference J 5 K 10 M 20 N 30 C 0 25 pF D 0 5 pF Z 80 20 If there are no indications for the electrolytic capacitors error is 20 Resistors VRD Carbon film type VRS Carbon film type VRN Metal film type VR MF Cylindrical type without lead wire VR MN Cylindrical type without lead wire VR TV Square type without lead wire VR TQ Square type without lead wire VR CY Square type without...

Page 54: ... 2V DZ6 2BSA ZD803 VHEDZ300BSB 1 J AB Zener 30V DZ30BSB ZD852 VHEDZ8R2BSB 1 J AB Zener 8 2V DZ8 2BSB ZD902 903 VHEDZ120BSB 1 J AB Zener 12V DZ12BSB FILTERS BF301 RFILR0008AWZZ J AE Band Pass Filter CF303 RFILF0124AFZZ J AD FM IF 10 7 MHz CF351 RFILF0003AWZZ J AK FM IF CF352 RFILA0009AWZZ J AE AM IF TRANSFORMERS 1 PT801 RTRNP0470AWZZ J BD Power 1 PT841 RTRNP0483AWZZ J AL Power T301 RCILB0065AWZZ J ...

Page 55: ...A 0 022 µF 25V C364 VCEAZA1HW225M J AB 2 2 µF 50V Electrolytic C365 VCKZPA1HF223Z J AA 0 022 µF 50V C366 VCKYMN1HB102K J AA 0 001 µF 50V C367 368 VCEAZA1HW105M J AB 1 µF 50V Electrolytic C369 VCCUMN1HJ270J J AA 27 pF UJ 50V C370 372 VCEAZA1HW105M J AB 1 µF 50V Electrolytic C373 374 VCTYPA1CX153K J AA 0 015 µF 16V C380 VCEAZA1HW106M J AB 10 µF 50V Electrolytic C381 VCCCMN1HH120J J AA 12 pF CH 50V C...

Page 56: ...62J J AA 5 6 kohms 1 8W R126 127 VRD MN2BD472J J AA 4 7 kohms 1 8W R128 129 VRD MN2BD562J J AA 5 6 kohms 1 8W R130 131 VRD MN2BD152J J AA 1 5 kohms 1 8W R132 133 VRD MN2BD101J J AA 100 ohm 1 8W R134 135 VRD MN2BD103J J AA 10 kohm 1 8W R136 VRD ST2CD224J J AA 220 kohms 1 6W R137 VRD MN2BD224J J AA 220 kohms 1 8W R138 VRD ST2CD103J J AA 10 kohm 1 6W R139 VRD MN2BD103J J AA 10 kohm 1 8W R140 VRD MN2B...

Page 57: ... ST2CD102J J AA 1 kohm 1 6W R950 VRD ST2CD683J J AA 68 kohms 1 6W 1 R958 VRG ST2EC101J J AB 100 ohm 1 4W Fusible R961 VRD MN2BD1R0J J AA 1 ohm 1 8W RD01 VRD ST2CD681J J AA 680 ohms 1 6W RD02 VRD MN2BD821J J AA 820 ohms 1 8W RD03 VRD MN2BD102J J AA 1 kohm 1 8W RD04 VRD MN2BD152J J AA 1 5 kohms 1 8W RD05 VRD MN2BD222J J AA 2 2 kohms 1 8W RD06 VRD MN2BD272J J AA 2 7 kohms 1 8W RD10 VRD MN2BD681J J AA...

Page 58: ...N Side Panel Ass y Left For CD MP77 202 1 Side Panel Left Not Replacement Item 202 2 PCUSG0022AWZZ J AB Cushion Leg 203 92LCAB3838CASY J AN Side Panel Ass y Right For CD MP700 203 92LCAB3839CASY J AN Side Panel Ass y Right For CD MP77 203 1 Side Panel Right Not Replacement Item 203 2 PCUSG0022AWZZ J AB Cushion Leg 204 GCAB 1197AWZZ J AM Loading Tray 205 GCAB 1215AWSA J AT Top Cabinet For CD MP700 ...

Page 59: ...rmer Combined Ass y PWB C 92LPWB4984CDUS J CD MP3 PWB D QPWBF0027AWZZ J AD CD Motor PWB Only PWB E QPWBF0749AWZZ J AD CD Loading Motor PWB Only PWB F 92LF567 719 J Tape Mechanism OTHER SERVICE PART UDSKA0004AFZZ J AZ CD Pickup Lens Cleaner 6 SPEAKER BOX PARTS 901 GBOXS2026AWSA J Speaker Box Ass y Right For CP E700 901 GBOXS2026AWSC J Speaker Box Ass y Right For CP E77 901 GBOXS4026AWSA J Speaker B...

Page 60: ...CD MP700 CD MP77 A B C D E F G H 1 2 3 4 5 6 Figure 7 CD MECHANISM EXPLODED VIEW 7 306 1 701 304 701 302 301 702 303 M1 703x2 305x2 SW4 M2 305 PWB D 306 2 306 3 306 704 CD MP700 CD MP77 ...

Page 61: ... Y TAPE1 FLYWHEEL ASS Y TAPE2 FF REW ROLLER ASS Y FF REW ROLLER ASS Y BELT CONNECTION 601x10 614x3 601 207 M901 248 234 212 213 245 211 610x2 PWB B1 219 220 FL701 617x10 PWB B2 603 201 PT801 609x4 247x2 247x8 PWB A2 PWB A3 250 601x2 201 15 201 16 612 242x2 203 203 2 203 1 Silicon Grease 201 7 201 17 201 14 201 11 201 8 201 6 201 3 201 5 201 4 201 2 255 201 1 201 13 201 10 201 9 201 12 201 17 201 1...

Page 62: ...CABINET EXPLODED VIEW 2 2 9 CD MP700 CD MP77 217 243 258 215 620x2 241 249 602x2 205 602x2 M3 SW3 M3 SW2 SW1 251 PWB E 226 224 223 619x2 229 236 237 236 222 221 218 240 225 239 238 CD MECHANISM 216 251 235 PWB C 251 251 251 204 214 232 608 233 607 607 206 ...

Page 63: ...6 SP7 8 WOOFER SP3 4 TWEETER BK RD BK RD SP7 8 SUPER TWEETER SP5 6 SUPER TWEETER SP3 TWEETER SP5 SUPER TWEETER SP7 SUPER TWEETER SP1 WOOFER BK RD RD BK BK 100 V N P C2 Capacitor 2 2 µF C1 100 V N P C2 Capacitor 2 2 µF C1 4 6 8 2 901 909 904 912X4 908X4 906X2 906X2 906X2 903 907x4 905x4 911 910 902 910 910 910 910 910 ...

Page 64: ... CD MP77 Packing Case SPAKA0431AWZZ Packing Add Left Right CP E700 CP E77 CD MP700 CD MP77 SPAKZ1033AWZZ Protection Sheet PACKING OF THE SET Setting position of switches and knobs Tape Mechanism STOP A0301 1459DS HA M SC SHARP CORPORATION AV Systems Group Audio Systems Division Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan Not Replacement Item No part of this publication may be reprod...

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