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Sharp CD-K1861V, Service Manual

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Sharp CD-K1861V Service Manual Download Page 15

– 15 –

CD-K1861V

 Figure 15 BLOCK DIAGRAM (3/3)

Q704

+B5

Q908

Q909

Q910

Q911

+B5

D810

1

3

6 7

5

2

3

F

1 2 3  4  15

25

16

26

28

37 38 39

9 8 7 6 5 4 3 2 1 

IC701

IX0314AW

SYSTEM CONTROL

 MICROCOMPUTER 

L 

R

VDD 

UNSWITCH

+B7

MEMORY

BACK  UP

VDD 

XL701

4.19MHz  

+B5 

+B7

    KEY  

SW701~SW725,

SW728~SW731,

SW736~SW738

Q905

Q903

Q904

Q901

Q902

+B5 

M

Q907

+B1 

RL901 

TO  CD  

SECTION 

M901

FAN  MOTOR 

JK671

HEADPHONES  

SO901

SPEAKER

TERMINAL   

T.F 

F801

T5A L 250V

F803

T2.5A L 250V

F802

T2.5A L 250V

SW801

VOLTAGE

SELECTOR

T801

POWER

TRANSFORMER

RL801 

AC POWER

SUPPLY CORD

AC  110/127/

220/230-240V, 

50/60Hz

T802

POWER

TRANSFORMER

Q801

Q802

+B7 

UNSWITCH

1 

BAIS

T1/T2 

REC 

–B4 

D809

D811~D814 

Q803

D815

~D817 

2 

3 

1 

+B7 

RX701 

Q705

Q706

Q707

7

8

1

4

15
14

13

L-OUT

IC901
STK4113E
POWER  AMP. 

VH–

VH+

VL–

VL+

R-OUT

13

8 

Q601

Q602

ZD802 

Q603

Q604

+B1 

+B4 

+B5 

+7V 

+12V(ANALOG)

+12V(MOTOR) 

Q853

Q852

Q851

Q850

VOLTAGE

REGULATOR

VOLTAGE

REGULATOR

VOLTAGE

REGULATOR

VOLTAGE

REGULATOR

Q702

Q703

AVDD

~

~

~

18
22

2

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

100

99

98

97

96

95

94

93

92

91

90

89

88

87

86

85

84

83

82

81

71

70

69

68

67

66

65

64

63

62

61

80

79

78

77

76

75

74

73

72

60

59

58

57

56

55

54

53

52

51

VDD

PHM1

D802~D805

FRONT

SPEAKER

F804

T5A L 250V

F805

T5A L

250V

F806

T2A L 250V

29

36

~

M

MM1

TAPE MOTOR

+B7

+B7

1

1

6 7

4

8

3

3

5

–B1

+B5

4

8

–B1

+B5

IC563

KIA4558P

OPE AMP.

IC562

KIA4558P

OPE AMP.

P

230-240V

220V

127V

110V

FL701
FL DISPLAY

IC 401

KIA4558P

SURROUND AMP.

Summary of Contents for CD-K1861V

Page 1: ...CD CIRCUIT 41 TROUBLESHOOTING CD SECTION 42 FUNCTION TABLE OF IC 47 FL DISPLAY 63 PARTS GUIDE EXPLODED VIEW CD K1861V In the interests of user safety the set should be restored to its original condition and only parts identical to those specified be used NTSC PAL SHARP CORPORATION SERVICE MANUAL No S0959CDK1861V This document has been published to be used for after sales service only The contents ...

Page 2: ...the correct voltage figure is displayed in the window next the adjustment screw Figure 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR 92LPLUG027 92LPLUG155A QACCA0001AW00 QACCB0009AW00 QACCE0012AW00 This Video CD Mini System is classified as a CLASS 1 LASER product The CLASS 1 LASER PRODUCT label is located on the rear cover Use of controls adjustments or performance of procedures other than those spe...

Page 3: ...ideo Auxiliary audio signal 500 mV 47 kohms Compact disc player section Type 3 disc multi play compact disc player Signal readout Non contact 3 beam semi conductor laser pickup D A converter 1 bit D A converter Frequency response 20 20 000 Hz Dynamic range 90 dB 1 kHz Cassette deck section Frequency range 50 14 000 Hz Normal tape Signal noise ratio 55 dB TAPE 1 playback 50 dB TAPE 2 recording play...

Page 4: ...Up Cue Button TUNER Preset Up Button TAPE 2 Fast Forward Button 24 Timer Sleep Button 25 Clock Button 26 VCD Playback Control Auto Off Button 27 VCD CD Karaoke Audio Mode Button 28 VCD On Screen Display On Off Button 29 On Stand by Button 30 Function Selector Button 31 Equalizer Mode Selector Button 32 Dimmer Button 33 Surround Button 34 Extra Bass Demo Mode Button 35 Headphone Socket 36 TAPE 2 Re...

Page 5: ...Digest Time Search Button 10 VCD VCD Auto On Button 11 VCD Playback Control Auto Off Button 12 VCD CD Clear Button 13 VCD CD Memory Button 14 VCD CD Disc Skip Button 15 VCD CD Random Button 16 VCD CD Pause Button 17 TAPE 2 Record Pause Button 18 VCD Skip Previous Button CD Track Down Review Button TUNER Preset Down Button TAPE 2 Rewind Button 19 VCD Skip Next Button CD Track Up Cue Button TUNER Pr...

Page 6: ...AM 0 00 The 12 hour display will appear AM or PM 0 00 11 59 AM 12 00 The 12 hour display will appear AM or PM 12 00 11 59 Note that this can only be set when the unit is first installed or it has been reset 5 Press the MEMORY SET button 6 Press the TUNING TIME or button to adjust the hour Press the TUNING TIME or button once to advance the time by 1 hour Hold it down to advance continuously When t...

Page 7: ...ocket F2 x1 7 Power Amp PWB 1 Screw G1 x7 8 2 2 Socket G2 x2 3 PWB Holder G3 x1 8 Power Supply PWB 1 Screw H1 x4 8 2 9 Karaoke PWB 1 Screw J1 x2 8 3 2 Tip J2 x1 10 Display PWB 1 Screw K1 x13 8 3 Switch PWB 2 Socket K2 x1 3 Hook K3 x2 4 Buttom K4 x1 11 Tape Mechanism 1 Open the cassette holder 8 3 2 Screw L1 x6 12 Turntable 1 Screw M1 x1 8 4 2 Cover M2 x1 13 Disc Tray 1 Screw N1 x2 8 4 2 Guide N2 x...

Page 8: ...5 ø3 x10mm G2 x1 G2 x1 G1 x2 ø3 x6mm H1 x4 ø4 x8mm Push Push 1 1 2 Pull Power Amp PWB G3 x1 Power Supply PWB Power Amp PWB Heat Sink Main Chassis Power Transformer Front Panel Display PWB Switch PWB Open Cassette Holder Left Right Tape Mechanism K1 x2 ø3 x10mm K1 x11 ø3 x10mm L1 x6 ø3x10mm K2 x1 K3 x2 K4 x1 J1 x2 ø3 x10mm Karaoke PWB J2 x1 N1 x1 ø3 x10mm N1 x1 ø3 x10mm M1 x1 ø3 x10mm Turntable Dis...

Page 9: ...erform steps 1 2 3 12 13 14 15 and 16 of the disassembly method to remove the CD mechanism How to remove the loading motor See Fig 9 3 1 Remove the screws A1 x 2 pcs to remove the loading motor Figure 9 3 Note After removing the connector for the optical pickup from the connector wrap the conductive aluminium foil around the front end of connector to protect the optical pickup from electrostatic d...

Page 10: ... the IF coil in the FM front end section has been best adjusted in the factory so that its further adjustment is not needed at the field When replacing the FM front end assembly no adjustment is needed either 2 The parts in the FM front end section are prepared in a complete unit so you can t obtain each part individually Adjusting Parts Instrument Connection Frequency Display Frequency FM Mute Le...

Page 11: ... method POWER OFF Setting the test mode Any one of test mode can be set by pressing several keys as follows REC PAUSE DISC SKIP POWER TEST CD operation test TEST mode Function CD test mode Setting of TEST mode Indication of CD TST mode Fig 11 1 OPEN CLOSE operation is manual operation The pickup can be moved by using the or key MEMORY LASER ON PLAY key input Press STOP key Stop TOC IL is performed...

Page 12: ...e 4 In the power section a tape is being played back 5 In the CD section the CD is stopped Parts marked with are important for maintaining the safety of the set Be sure to replace these parts with specified ones for maintaining the safety and performance of the set NOTES ON SCHEMATIC DIAGRAM Resistor To differentiate the units of resistors such symbol as K and M are used the symbol K means 1000 oh...

Page 13: ...TION CNS10 B5 CNP11 17 26 50 51 LASER DRIVER IC4 BA4558F OPE AMP L R L R QV3 QV4 QV2 QV1 B1 XV1 4 19MHz 6 7 9 40 18 19 20 22 41 XV2 27MHz 14 13 14 ICV1 MPEG CONTROLLER IX0313AW ICV2 MPEG DECODER D61012GC ICV3 DRAM SDM4260C 1 15 17 23 36 38 42 45 48 49 52 54 56 58 62 70 73 2 5 7 10 13 14 16 19 22 26 31 34 25 44 51 32 33 95 97 99 68 86 1 6 65 7 10 2 6 11 12 18 26 30 37 43 21 27 35 40 50 57 64 69 74 ...

Page 14: ... 7 1 Q371 FM 75 ohms GND AM IC303 FM IF DET FM MPX AM IF 1 2 1 24 2 23 3 4 4 21 5 20 6 7 17 8 9 16 10 14 12 13 18 H N T1 T2 R CH L CH L CH R CH P B REC TAPE 2 TAPE 1 L NF L T1 R T1 L T2 R T2 R NF L R POP REDUCE L REC R REC L R REC P B REC ALC NOR HIGH T1 T2 REF L NF R NF PLAYBACK HEAD RECORD PLAYBACK HEAD SWITCHING Q103 Q106 AC BIAS IC101 AN7345K PLAYBACK AND RECORD PLAYBACK AMP PB ERASE HEAD SWIT...

Page 15: ...811 D814 Q803 D815 D817 2 3 1 B7 RX701 Q705 Q706 Q707 7 8 1 4 15 14 13 L OUT IC901 STK4113E POWER AMP VH VH VL VL R OUT 13 8 Q601 Q602 ZD802 Q603 Q604 B1 B4 B5 7V 12V ANALOG 12V MOTOR Q853 Q852 Q851 Q850 VOLTAGE REGULATOR VOLTAGE REGULATOR VOLTAGE REGULATOR VOLTAGE REGULATOR Q702 Q703 AVDD 18 22 2 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43...

Page 16: ...K R142 56 R174 5 6K Q601 KTC3199 GR R113 10K Q107 KTC3199 GR SWITCHING C111 330P Q106 2SC2389 SS C614 0 22 R606 1 5K R158 220 R613 10K Q607 KTC3199 GR R156 220K R118 1K C606 4 7 50 R624 330 CNP102 R167 100K R617 2 2K C623 0 001 Q602 KTC3199 GR R115 4 7K R141 56 C617 10 50 R105 3 3K C119 560P IC601 M62439SP AUDIO PROCESSOR 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 C101 0 001 C639 0 001 ZD6...

Page 17: ...1SS133 C631 390P R631 8 2K D601 1SS133 R634 39K C630 0 001 R633 39K R632 8 2K C632 390P R160 150 R638 220K R158 220 R167 100K Q126 KRC104 M BIAS R164 4 7K R162 47K L103 100µH GR 57 K R637 220K Q124 2SA1015 GR SWITCHING R166 47K C853 0 047 ML C854 47 25 D853 1SS133 C852 0 047 ML R852 22K C851 22 25 R851 33 D852 1SS133 Q853 KIA78L05 3 1 Q850 KTD2058 D851 1SS133 C859 0 1 ML C856 0 1 ML C855 0 1 ML C8...

Page 18: ... 0V U D SW G8 G9 G10 G11 VLOAD S16 S17 S18 S19 DIST1 S20 DIST2 S21 DIST3 S22 DIST4 DISTOUT SPN_P SP DET POWER HI CUT S MUTE T_T1T2 T BIAS H P FPA T1FAS CAM SW VDD T_MOT T_SOL TIMER LED DNO SW VSS REMOCON SYS STOP S15 S14 S13 S12 S11 S10 S9 S8 S7 S6 S5 S4 S3 S2 S1 3 39 40 41 42 43 44 45 46 47 48 49 50 53 54 52 51 53 52 51 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82...

Page 19: ...CLOCK OPEN CLOSE ON STAND BY U D SW VDD G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 D S TIMER LED DNO SW VSS REMOCON SYS STOP O C SW PUIN SW KEYIN1 KEYIN2 KEYIN3 T2 RUN TUN SM SPEANA1 SPEANA2 SPEANA3 AVSS SLD SLD FRF DRF SQOUT PCCL VPP LCK2 LCK1 CLK DO CD DSP RES XT2 S2 S1 CD DSP WRQ CD DSP RWC CD DSP COIN CD DSP CQCK RESET AVDD AVREF X2 X1 VDD CE DI 1 2 3 1 2 3 4 5 6 7 8 9 30 31 32 33 34 35 36 37 38 39 40...

Page 20: ...8 57 6 5 55 54 53 52 51 0 5 49 32 31 30 9 2 28 27 6 2 25 3 2 4 2 22 21 0 2 19 8 1 7 1 RV25 270 RV13 1K RV14 1K RV33 270 RV10 1K P23 12 E TO CD SECTION P23 12 E TO CD SECTION KEY CONT VOCAL CANCEL HD0 HD1 K_C_STRB K_C_CLK K_C_DATA VSS0 VDD0 PWR_MPEG MDI MDO MCK SBUSY MBUSY VDD1 AVSS HD7 HD6 HD5 HD4 HD3 HD2 AVREF AVDD RESET XT2 XT1 IC X2 X1 VSS1 INT HCS HRD HWR HDAK HA MPEG RESET CD LD M CD LD M CD ...

Page 21: ... 0 022 CV24 0 022 JKV1 VIDEO OUT CHASIS GND CDBCK CDLRCK CDEMPH CDC2PO AGND VOUT3 VOUT2 VOUT1 CBP3 CBP2 CBP1 AVDD HSYNC NSYNC CSYNC VCLK CDI MD8 MD9 MD10 MD11 GND MD12 MD13 MD14 MD15 MD0 MD1 MD2 MD3 MD4 MD5 MD6 MD7 MCAS MWE VDD VDD VDD VDD VDD MRAS MA0 MA1 MA2 MA3 VDD MA4 MA5 MA6 MA7 MA8 VDD AUDO AUEMPH AULRCK AUBCK AUCLK INT HDAK RESET VDD HSELA HSELX HA HWR HRD HCS VDD CKSEL VDD X2 X1 HD0 HD1 HD...

Page 22: ...CNS1B LD_M LD_M VCC3 M M SOL SOL SP SP SPO SOL SOLD MUTE Vref STANDBY VCC1 SLD SL SL GND GND TR TR FO FO FO GAIN FD TO OP CLOS D_GND RES DSP WRQ DSP RWC DSP CQ CK DSP CO IN DSP SQ OUT DSP DRF ASP SLD SLD PUIN SW LD VR PD GND FO FO TR TR HF TP1 TBC FSS JPCLO SLOF SLOF SLOF FSC FE1 FOSTA FSC EFBAL REF JP REF REF CV CV JP JP VREF 2FREQ LASER 8 12CM FSTA S Q R FOSTA TOSTA LATOH FSTA SLOF CL CE DRF HFL...

Page 23: ...5 10K R59 1K R49 100 SBUSY EMPH_B VCOC DEFI COIN SQOUT RWC WRQ FSX DOUT SBCK SFSY P4 TEST3 TEST2 PDO1 V P CLV CLV TEST1 EFMI VSS EFMO TAI ISET AVDD FR AVSS PW EFLG SBSY MUTER RVDD RCHP RCHN RVSS DFLRO LRCKO P5 SLD SLD JP JP VDD TEST4 THLD TGL T0FF FSEQ PCK TES HFL CS TEST5 4 2M 16M CONT2 FAST RES CQCK PD02 VPDO XVDD XIN XOUT XVSS LVSS LCHN LCHP LVDD MUTEL C2F ROMXA CK2 LRSY P3 DFLR CONT1 DACKO 19 ...

Page 24: ...4 7K Q902 KTC3199 GR D908 1SS133 R921 4 7K R917 0 1 3W Q901 KTC3199 GR D907 1SS133 Q904 KTC3199 GR Q903 KTC3199 C925 R958 680 D913 1SS133 C955 22 25 R957 100K R956 1K R961 39K C920 100 100 IC901 STK4113E POWER AMP ZD902 MTZJ8 2C D906 1N5402M C901 3300 71 Q909 KTC3199 GR R911 33K R960 10K Q911 KRC107 M D902 1N4004S C904 4700 35 C902 3300 71 C903 4700 35 R 10 R9 10 C919 100 100 R912 100 1 4W Fusible...

Page 25: ... 1 2W R926 10 1 2W R932 4 7 1 2W R929 56K C929 0 1 C927 0 1 L901 0 29µH R925 10 1 2W R927 10 1 2W R931 4 7 1 2W RL901 D911 1SS133 D901 1N4004S SO901 SPEAKER TERMINAL R935 220 1 2W R933 4 7K R934 4 7K D803 1N4004S D809 TS6B04GM D817 1N4004S C817 220 50 Q803 KTA1274 Y R803 12K C820 100 35 ZD802 MTZJ6 2A C819 47 50 D811 1N4004S D814 1N4004S D812 1N4004S Q801 AN78L05 3 1 D808 1SS133 D807 1SS133 D805 1...

Page 26: ...20 21 22 23 24 25 26 27 28 13 12 11 10 RK48 10K RK45 10K RK60 100K RK54 33K RK55 33K RK58 100K RK27 4 7K QK KR RK29 4 7K CK16 0 15 50 RK19 15K CK11 0 1 50 VRK1 B 20K RK5 120K CK9 390P RK20 1 5K CK8 0 47 50 CK2 0 47 50 RK32 1K CK6 0 1 50 CK10 2 2 50 CK4 0 47 50 CK33 2 2 50 CK5 390P CK14 0 22 DK2 1SS133 DK1 1SS133 CK34 0 082 ML RK4 120K RK3 1 5K CK15 220 10 RK6 15K RK7 10K RK8 15K VRK2 B 20K RK31 1K...

Page 27: ...K44 KIA4558P OPE AMP 8 7 6 5 4 3 2 1 CK80 2 2 50 CK89 100P CK90 100P CK88 22 25 CK87 22 25 RK97 6 8K RK25 22K RK26 22K RK87 100K RK88 100K RK85 100K RK86 100K CK78 2 2 50 CK77 2 2 50 QK41 KRC107 M QK42 KRC107 M RK84 2 2K RK83 10K ICK42 BU4066BC SWITCHING 13 12 11 10 9 8 6 5 4 3 2 1 RK82 100K 100K K76 2 50 7 14 V CANCEL SDATA SCK STROBE KEYCON GND D IN R OUT R 12V A GND A IN L OUT L 12 10 9 8 4 3 1...

Page 28: ...57 2 2 50 C358 1 50 C381 12P CH C382 15P CH C393 1 50 C386 330P R378 82K L351 100µH L352 100µH R354 3 9K C356 0 001 R363 47K R398 1 2K IC302 LC72131 PLL TUNER CF302 C321 100 16 T351 CF352 R352 1K R344 470 R345 4 7K C347 0 022 C346 0 022 C345 0 022 R393 1K C395 0 022 C396 100 10 ZD351 DZ5 1BSB R395 47K R381 10K R380 1 5K C372 1 50 R362 1 2K C399 0 022 C398 100 10 C353 0 022 CF351 C354 0 022 C370 1 ...

Page 29: ...C302 D303 D304 D302 D301 T302 VD301 R336 C362 L353 C367 R350 T351 C368 R357 Q354 C372 C371 C373 C375 X351 ZD351 C396 R392 R391 Q361 C391 R395 L352 C370 Q371 R377 R375 B C E R398 Q360 ZD352 L351 C393 C380 C394 X352 R382 D352 D351 C364 C365 IC303 FE301 C321 L342 C331 T306 C335 VR351 C352 C398 CF352 1 2 3 4 5 6 7 8 9 10 11 12 14 13 16 15 18 17 20 19 22 21 24 23 R354 C358 C357 R393 D353 R368 Q353 CF35...

Page 30: ... 18 19 20 5 6 7 8 4 3 2 1 5 6 7 8 4 3 2 1 CNS901 1 2 3 4 5 6 7 8 9 10 11 12 P35 11 D TO POWER AMP PWB CNP901 B C E E E C C B B B C E MAIN PWB A1 R CH L CH JK601 VIDEO AUX CNP303 P29 12 F TO TUNER PWB R655 C413 C412 C410 C401 D401 Q401 Q402 D G S C411 C640 C639 C402 R654 R419 IC401 1 2 3 4 8 7 6 5 R420 R416 1 2 3 R656 C563 R556 R551 R642 R641 R639 R640 R601 R603 R605 R607 R611 C619 C618 C616 R612 R...

Page 31: ... E TO CD VIDEO PWB CNP11 CNS11 RD BL BL BL BL BL 1 2 3 4 5 6 9 10 11 12 13 D MP PWB 1 BI801 3 1 WH GY RD 3 2 1 CNP801 TO POWER SUPPLY PWB P34 1 G CNS801 1 1 2 3 1 2 3 2 3 E C B E C B E C B E C B B C E 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 E C B B C E B C E B C E B C E B C E B C E 3 2 1 3 2 1 1 2 3 E C B B C E 1 2 3 4 5 6 7 P39 11 D P39 12 D CNS101 TO TAPE MECHANISM TAPE1 H...

Page 32: ...2 D720 IC704 D705 SW730 DIMMER SW729 EQUALIZER C712 FL701 10 18 1 9 SWITCH PWB A3 DISPLAY PWB A2 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 1 2 3 E C B E C B E C B 1 2 3 1 2 3 4 5 6 CNS704 WH WH WH WH WH RD CNP704 P34 1 F TO POWER SUPPLY PWB 6 1 15 1 P37 7 C TO CD VIDEO PWB CNP12 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 RD BL BL BL BL BL BL BL BL BL BL BL BL BL BL CNS12 ...

Page 33: ... 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1 2 3 1 3 5 7 9 11 2 4 6 8 10 12 14 16 18 20 22 24 13 15 17 19 21 23 P30 5 A TO MAIN PWB CNP701 FFC701 1 24 JK671 HEADPHONES BR COLOR TABLE RD R OR YL GR BL VL GY WH W BK PK BROWN RED ORANGE YELLOW GREEN BLUE VIOLET GRAY WHITE BLACK PINK LED710 LED709 LED708 KEY CONTROL C SW738 KEY CONTROL B SW737 KEY CONTROL A SW736 4 3 2 1 CNPV2 CNSV2 TC CD VIDEO PW...

Page 34: ...704 CNP801 C813 C814 D817 D816 D815 D811 D813 D814 D812 C815 C816 C811 D810 CNP802 D809 C810 C812 C809 AC POWER SUPPLY CORD 249 AC 110 127 220 230 240 V 50 60 Hz 270 270 F802 T2 5A L 250V F801 T5A L 250V F803 T2 5A L 250V T F F805 T5A L 250V F806 T2A L 250V F804 T5A L 250V E B C E C B 3 2 1 3 2 1 CNS801 TO MAIN PWB CNS704 TO DISPLAY PWB P32 1 G P31 12 G 1 2 3 4 5 6 1 2 3 4 5 6 7 8 POWER SUPPLY PWB...

Page 35: ...935 R936 R937 D912 R938 R939 C943 Q907 R943 ZD951 C951 C952 CNP901 R941 D909 L901 R925 R927 R942 L902 C929 R931 C927 Q904 Q903 C925 Q905 D911 R930 R923 R929 C930 C928 R932 R926 RL901 C903 1 8 1 2 3 4 5 6 7 8 RD RD WH GY GY WH GY GY CNS802 RD CNS903 BR 2 1 M901 FAN MOTOR 1 2 C901 C902 B C E B C E E C B R921 R917 E C B E C B 3 2 1 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E C B ...

Page 36: ...6 CV27 RV16 RV88 RV17 RV89 CV5 CV4 RV6 RV7 RV8 RV9 RV10 RV18 RV34 RV36 RV30 RV32 RV50 RV49 CV11 RV35 RV33 RV31 CV15 RV42 CV13 CV14 RV60 RV61 CV16 CV19 CV22 CV24 R84 R90 R82 D92 C55 C35 R19 R17 Q56 R6 C11 R18 R21 R20 R16 R22 R12 C7 C6 C54 C5 C19 C12 C3 C33 C31 R46 C24 C22 CV35 C41 CV38 RV75 CV31 CV29 CV32 RV81 RV83 RV82 RV73 CV37 RV79 RV77 CV33 CV34 CV36 RV78 RV76 RV72 CV28 CV30 RV74 C34 C1 C30 Q1 ...

Page 37: ...V39 CV7 CV6 R38 C25 R39 R42 R44 R61 C45 C48 R58 R59 C47 R1 C2 C8 R14 R15 C9 C10 CD VIDEO PWB C BOTTOM VIEW R77 4 1 5 8 65 64 70 75 80 1 5 10 15 20 24 25 30 35 40 41 45 50 55 60 45 10 15 20 21 22 25 30 35 40 42 1 3 2 1 49 48 50 55 60 64 1 5 10 16 17 15 20 25 30 32 33 35 40 1 5 2 3 4 5 7 8 9 6 12 10 11 CNP10 10 9 8 7 6 5 4 3 2 1 CNS11 TO MAIN PWB P31 7 B CNSV2 TO DISPLAY PWB P33 9 H CNSV3A TO JACK P...

Page 38: ...7 CK38 CK24 RK39 RK38 BIK1 RK92 RK43 RK42 RK41 RK11 RK10 CK22 CK23 RK94 RK99 CK80 CK88 RK100 QK42 CK83 CK78 CK77 ICK44 CK85 CK79 CK87 ICK41 4 1 8 5 3 2 1 3 2 1 1 5 7 8 10 14 E B C 5 8 1 4 28 1 5 10 14 15 20 25 36 35 30 25 20 19 18 15 10 5 1 B C E 12 1 PIN1 CK45 CK47 RK13 RK49 RK48 RK44 RK23 RK21 RK22 RK18 RK17 RK16 RK15 RK2 CK44 RK24 RK29 RK27 RK1 ICK41 RK61 RK60 RK69 RK70 CK31 RK9 CK54 RK51 RK68 ...

Page 39: ...SWM5 CAM 260 11 BK WH TAPE MECHANISM PWB F CNS3B CNS3A RD WH GY WH GY WH 1 2 3 4 5 6 1 2 3 4 5 6 CD MOTOR PWB D CNP3 P37 11 G TO CD VIDEO PWB CNS5 2 1 2 1 CNS10 WH RD GY WH BR WH GY OR WH GY 10 1 BIM5 6 9 8 7 6 5 4 3 2 1 SW2 MECHA UP SW1 OPEN CLOSE M3 T T UP DOWN LOADING MOTOR SW3 DISC NUMBER SENSOR PWB E SOLM2 SOLENOID CNS1B CNS1A CNS2B CNS2A BL YL PK WH BK GY RD WH GY WH GY WH GY WH BL PK WH YL ...

Page 40: ...2 PIN VOLTAGE 0V 0 5V 2 5V 3 3V 3 3V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 3 3V 0V 3 3V 0V 0V 0V 60 59 58 57 56 55 54 53 52 51 61 74 73 72 71 70 69 68 67 66 65 64 63 62 0V 0V 0V 0V 1 5V 3 3V 3 3V 0V 1 5V 0V 0V 0V 3 3V 3 3V 3 3V 1 0V 78 77 76 75 79 90 89 88 87 86 85 84 83 82 81 0V 1 5V 1 5V 0V 3 3V 2 5V 1 0V 0 5V 0 5V 2 6V 50 49 48 47 46 45 44 43 42 41 0V 1 5V 2 5V 2 5V 0V 0V 0V 3 3V 0V 5 0V 100 9...

Page 41: ... 5ms 5 0 V HFL 0 5ms 5 0 V TES REVIEW 50ms 10 0 V JP CUE 50ms 10 0 V JP 50ms 0 50 V JP 50ms 1 00 V TE 0 5ms 10 0 V JP 0 5ms 10 0 V JP 0 5ms 0 50 V JP 0 5ms 1 00 V TE REVIEW 50ms 10 0 V JP 50ms 10 0 V JP 50ms 0 50 V JP 50ms 1 00 V TE 0 5ms 10 0 V JP 0 5ms 10 0 V JP 0 5ms 0 50 V JP 0 5ms 1 00 V TE PLAY 20ms 1 00 V SPO NORMAL DISC TN0 01 20ms 2 00 V CLV PLAY TCD 712 140mm TN0 01 50ms 1 00 V SPO 50ms ...

Page 42: ...e a cleaning disc designed for CD optical pickup lenses HOW TO USE 1 Using the brush in the cleaner cap apply 1 or 2 drops of the cleaning fluid to the brush on the CD cleaner disc which has the mark next to it 2 Place the CD cleaner disc onto the CD disc tray with the brush side down then press the play button 3 You will hear music for about 20 seconds and the CD player will automatically stop If...

Page 43: ...llowing voltage input on the IC701 pin 21 in the specific state When the CD mechanism is moved up 0V In other states 4 3V Yes Is there following voltage input on the IC701 pin 21 in the specific state In other states 4 3V When the CD mechanism is moved up 0V When turntable fails to move Check the MECHA UP SW and the wiring from the IC701 pin 21 to the MECHA UP SW Yes Yes Check the wiring of IC2 pi...

Page 44: ...perating keys don t work Check the CD DSP power supply and 16 93 MHz clock and reset terminal Check the waveform of SCK SO DATA and SI COMM Yes Yes See if the pick up is in the PICKUP IN SW position If the items mentioned above are OK check the main microcomputer IC701 Yes Yes No Yes No The CD operating keys work Check the Focus HF system Playback can be performed without a disc Focus search OK Do...

Page 45: ... 45 1 Waveform in case of normal play back HF 1 0V DIV 0 5µsec DIV DC IC1 When playing back the disc 41 3 2 1 4 0 5s 1 00 V IC1 16 FD 0 5s 10 0 V IC2 13 CLV 0 5s 10 0 V IC1 54 DRF 0 5s 2 00 V IC1 7 TE Check the tracking system Check waveform of IC1 pin 7 TE Play is possible in TEST mode Check the periphery of IC 1 pin 14 Normal jump is impeded and the program top cannot be reached Check the periph...

Page 46: ... 46 Play operation is performed when disc exits Yes Although HF waveform is normal TOC data cannot be read Yes Check PDO waveform Fig 46 Abnormal Check the IC1 pins 43 and 44 IC2 pins 3 5 7 10 and 11 Stop Play As VCO freque ncy is locked at 4 32 M Hz voltage of PDO rises and stabilizes 2 3 0 5s 1 00 V IC2 3 PDO 0 5s 1 00 V IC2 16 FD Although HF waveform is normal and the time indication is normal ...

Page 47: ...plifier input 25 SPG Pin to connect gain setting resistor in the 12cm mode of spindle 26 SP Pin to connect spindle phase compensation constant together with SPD pin 27 SPD Spindle control signal output pin 28 SLEQ Pin to connect thread phase compensation constant 29 SLD Thread control signal output pin 30 SL Input pin of thread feed signal from micro computer 31 SL Input pin of thread feed signal ...

Page 48: ...n to connect capacitor for peak hold of RF signal 61 BH1 Pin to connect capacitor for bottom hold of RF signal 62 LDD APC circuit output pin 63 LDS APC circuit output pin 64 VCC1 RF system VCC pin Figure 48 BLOCK DIAGRAM OF IC 1 FIN2 FIN1 E F TB TE TE TESI SCI TH TA TD TD JP TO FD FD FA FA FE FE AGND SP SPI SPG SP SPD SLEQ SLD SL SL JP JP TGL TOFF TES HFL SLOF CV CV RFSM RFS SLC SLI DGND FSC TBC N...

Page 49: ...hronization signal detected from EFM signal matches the internally generated synchronization signal 23 TOFF Output Tracking off output 24 TGL Output Tracking gain switching output Increase the gain when this pin outputs a low level 25 THLD Output Tracking hold output 26 TEST4 Input Test input A pull down resistor is built in 27 VDD Digital system power supply 28 29 JP JP Output Track jump output J...

Page 50: ...croprocessor 71 CQCK Input Command input acousition clock Also used as the SQOUT subcode readout clock input This is a Schmitt input 72 RES Input Chip reset input This pin must be set low temporary when power is first applled 73 TESEF Output 74 CONT2 Output Output port 75 16M Output 16 9344 MHz output 33 8688 MHz output in 4x playback mode 76 4 2M Output 4 2336 MHz output 77 TEST5 Input Test input...

Page 51: ...rted output 37 OUT5 CH5 inverted output 38 OUT6 CH6 non inverted output 39 OUT6 CH6 inverted output 40 VCC4 Power supply 4 CH6 41 IN6 CH6 inverted input 42 IN6 CH6 non inverted input IC3 VHiM63001FP 1 Focus Tracking Spindle Sled Driver M63001FP Pin No Terminal Name Function IC562 563 VHiKiA4558P 1 Ope Amp KIA4558P IC601 VHiM62439SP 1 Audio Processor M62439SP Figure 51 BLOCK DIAGRAM OF IC 1 2 3 4 5...

Page 52: ...bit I O port Can be specified for input or output in 1 bit units Can directly drive LEDs When used as an input port pin an on chip pull up resistor can be used through software A pull down resistor can be connected in 1 bit units by mask option Port 2 8 bit I O port Can be specified for input or output in 1 bit units When used as an input port pin an on chip pull up resistor can be used through so...

Page 53: ...T DRIVER In this unit the terminal with asterisk mark is open terminal which is not connected to the outside Port 12 8 bit P ch open drain high voltage I O port Can be specified for input or output in 1 bit units Can directly drive LEDs A pull down resistor can be connected in 1 bit units whenther VLOAD or Vss is connected can be specified in 4 bit units Terminal Name Pin No Input Output Function ...

Page 54: ... SI0 SB0 P24 BUSY P23 STB P22 SCK1 P21 SO1 P20 SI1 AVSS P17 ANI7 P16 ANI6 P15 ANI5 P14 ANI4 P13 ANI3 P12 ANI2 P11 ANI1 P10 ANI0 AVDD AVREF P03 INTP3 P02 INTP2 P01 INTP1 P00 INTP0 TI0 VSS P74 P73 P72 P71 P70 VDD P127 FIP52 P126 FIP51 P125 FIP50 P124 FIP49 P87 FIP20 VLOAD P90 FIP21 P91 FIP22 P92 FIP23 P93 FIP24 P94 FIP25 P95 FIP26 P96 FIP27 P97 FIP28 P100 FIP29 P101 FIP30 P102 FIP31 P103 FIP32 P104 ...

Page 55: ... 10 kohm to GND 22 P24 MBUSY Output Comunicate to ststem µcom MBUSY 23 P25 ASCK0 NO USE Output Joint 10 kohm to GND 24 VDD1 VDD1 VDD 25 AVSS AVSS Ground 26 33 P17 P10 NO USE Output Joint 10 kohm to GND 34 AVREF AVREF Conect to VDD 35 AVDD AVDD Conect to VDD 36 RESET RESET Input Common use DSP_RESET 37 XT2 XT2 Open 38 XT1 XT1 Conect to VDD 39 IC IC Conect to ground 40 X2 X2 Output Main clock 41 X1 ...

Page 56: ...3 HSELA Input Host interface select signal Select a serial interface or an 8 bit parallel interface HSELX High parallel interface HSELX Low serial interface 24 HSELA Input Host interface mode select signal Select multiplex mode or separate mode HSELA High multiplex mode HSELA Low separate mode Fixed low when using serial interface 25 VDD Digital supply 26 GND Ground 27 RESET Input Reset terminal 2...

Page 57: ...s approx 42 kohms Can quit this pull down with the MD_PD_OFF register 74H b1 74 GND Ground 75 VDD Digital supply 76 GND Ground 77 VCLK Not used 78 CSYNC Output Synchronized signal generating signal 79 NSYNC Output Synchronized signal generating signal 80 HSYNC Output Synchronized signal generating signal 81 82 Not used 83 VDD Digital supply 84 AVDD Analog power supply 85 CBP1 Output 3CH Video D A ...

Page 58: ...omposite or Y signal ICV4 VHiNJM2267M 1 Video Operation Amp NJM2267M 6dB Amp 6dB Amp 75Ω Driver 75Ω Driver Vout2 75Ω 2 2Ω 2 0kΩ Vout1 75Ω V5AG2 V5AG1 GND 2 2kΩ 2 0kΩ Clamp Clamp 7 5 6 4 3 2 1 8 VIN2 VOUT2 6dB VOUT2 VOUT1 6dB VOUT1 V VIN1 Correction terminal Correction terminal Figure 58 BLOCK DIAGRAM OF IC ICV2 VHiD61012GC 1 MPEG Decoder D61012GC 3 3 CBP3 CBP1 VOUT3 VOUT1 VCLK HSYNC NSYNC CSYNC AU...

Page 59: ...t output 35 VSS Ground 36 39 I O12 I O15 Data input output 40 VSS Ground ICV3 VHiSDM4260C 1 DRAM SDM4260C In this unit the terminal with asterisk mark is open terminal which is not connected to the outside RAS LCAS UCAS WE A0 A1 A2 A3 A4 A5 A6 A7 A8 VCC VSS I O0 I O1 I O7 I O8 I O9 I O15 OE Lowar Upper Clock generating circuit Lower data Input buffer Lower data Output buffer Coidmn decoder Upper d...

Page 60: ...rmined 21 D A integrator input DA IN TIN Input D A converting integrator is composed using externally provided C 22 D A integrator output DA IN TOUT D A converting integrator is composed using externally provided C 23 Low pass filter 2 input LPF 2 IN Input Prefilter before D A conversion for digital echo 24 Low pass filter 2 output LPF 2 OUT Output Prefilter before D A conversion for digital echo ...

Page 61: ...s mixed 17 Low pass filter 2 LPF2OUT Output Post filter after D A conversion for button control output 18 Low pass filter 2 LPF2IN Input Post filter after D A conversion for button control input 19 High pass filter HPFOUT Output High pass filter for high range thru output 20 High pass filter HPFIN Input High pass filter for high range thru input 21 Low pass filter 1 LPF1OUT Output Pre filter befor...

Page 62: ...F2IN DA2INTOUT DA2CONT DA1CONT DA1INTIN DA1INTOUT CLOCK DATA LPF1OUT ADINTIN LPF1IN 17 18 28 DA2INTIN 27 3 2 26 25 7 9 8 A D ADINTOUT ADCOUT STROBE 1 25 26 11 4 10 20 15 16 5 6 14 12 GND TEST3 TEST1 TEST2 HPFOUT HPFIN 13 HPF LPF 2 MIX 21 22 19 ICK41 VHiM65840FP 1 MIC AMP IM65840FP 2 2 Figure 62 BLOCK DIAGRAM OF IC ...

Page 63: ... f g m e r p n h j k 1G 8G ANODE CONNECTION 1G 7G 8G 9G 10G 11G 2G 6G P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 Dp d c n p r e m g b k j h f a S2 S3 S4 S5 Dp d c n p r e m g b k j h f a S2 S3 S4 S5 Dp d c n p r e m g b k j h f a S2 S3 S4 S5 Dp d c n p r e m g b k j h f a S2 S3 S4 S5 c o LOWER S1 B1 B2 B3 B4 B5 B6 B7 S1 B1 B2 B3 B4 B5 B6 B7 S1 B1 B2 B3 B4 B5 B6 ...

Page 64: ...CD K1861V 64 M E M O ...

Page 65: ...e without lead wire VC MN Cylindrical type without lead wire VC TV Square type without lead wire VC TQ Square type without lead wire VC CY Square type without lead wire VC CZ Square type without lead wire VC J The 13th character 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 f...

Page 66: ...K32 VSKRA107M 1 J AE Digital PNP KRA107 M QK33 VSKTC3199GR 1 J AB Silicon NPN KTC3199 GR QK41 42 VSKRC107M 1 J AC Digital NPN KRC107 M QV1 VSUPC29M33T 1 J Voltage Regulator UPC29M33 T QV2 VSKTA1298Y 1 J AC Silicon PNP KTA1298 Y QV3 VSKRC104S 1 J AC Digital NPN KRC104 S QV4 VSKTA1298Y 1 J AC Silicon PNP KTA1298 Y DIODES D1 VHDKDS193 1 J Silicon KDS193 D91 93 VHDKDS193 1 J Silicon KDS193 D101 102 VH...

Page 67: ...ectrolytic C129 130 VCKYMN1HB471K J AA 470 pF 50V C131 132 VCKYMN1HB102K J AA 0 001 µF 50V C133 134 VCEAZA1EW226M J AB 22 µF 25V Electrolytic C135 136 VCTYPA1CX823K J AB 0 082 µF 16V C139 140 VCTYMN1CX332K J AA 0 0033 µF 16V C141 142 VCEAZA1HW105M J AB 1 µF 50V Electrolytic C145 VCEAZA1EW226M J AB 22 µF 25V Electrolytic C146 VCEAZA1AW227M J AC 220 µF 10V Electrolytic C150 VCQPKA2AA392J J AB 0 0039...

Page 68: ...YMN1HB391K J AA 390 pF 50V CK10 VCEAZA1HW225M J AB 2 2 µF 50V Electrolytic CK11 VCEAZA1HW104M J AB 0 1 µF 50V Electrolytic CK12 VCTYPA1CX822K J AA 0 0082 µF 16V CK13 VCQYKA1HM683K J AB 0 068 µF 50V Mylar CK14 VCFYDA1HA224J J AB 0 22 µF 50V Polyester CK15 VCEAZA1AW227M J AC 220 µF 10V Electrolytic CK16 17 VCEAZA1HW154M J AB 0 15 µF 50V Electrolytic CK18 VCQYKA1HM103K J AA 0 01 µF 50V Mylar CK19 VCC...

Page 69: ...51J J AA 150 ohms 1 4W R162 VRD MN2BD473J J AA 47 kohms 1 8W R164 VRD MN2BD472J J AA 4 7 kohms 1 8W R166 VRD MN2BD473J J AA 47 kohms 1 8W R167 VRD MN2BD104J J AA 100 kohm 1 8W R168 VRD MN2BD120J J AA 12 ohms 1 8W R169 VRD MN2BD182J J AA 1 8 kohms 1 8W R170 VRD ST2CD182J J AA 1 8 kohms 1 6W R171 172 VRD MN2BD224J J AA 220 kohms 1 8W R173 174 VRD MN2BD562J J AA 5 6 kohms 1 8W R175 VRD ST2CD102J J AA...

Page 70: ... RT2HD221J J AA 220 ohms 1 2W R937 VRD ST2CD153J J AA 15 kohms 1 6W R938 VRD ST2CD683J J AA 68 kohms 1 6W R939 VRD ST2CD392J J AA 3 9 kohms 1 6W R941 942 VRS VV3DA561J J AC 560 ohms 2W R943 VRS VV3DA681J J AC 680 ohms 2W R953 954 VRD ST2CD332J J AA 3 3 kohms 1 6W R955 956 VRD ST2CD102J J AA 1 kohm 1 6W R957 VRD ST2CD104J J AA 100 kohm 1 6W R958 VRD ST2CD681J J AA 680 ohms 1 6W R959 VRD ST2CD822J J...

Page 71: ... QCNCM704DAWZZ J Plug 4Pin CNPV3 QCNCM704BAFZZ J AA Plug 2Pin CNS1A B QCNWN1181AWZZ J AK Connector Ass y 5 5Pin CNS2A B QCNWN1182AWZZ J AH Connector Ass y 8 8Pin CNS3A B QCNWN1183AWZZ J AG Connector Ass y 6 6Pin CNS101 QCNWN1187AWZZ J AG Socket 3Pin CNS102 QCNWN1188AWZZ J AM Socket 7Pin CNS303 QCNCM010JAWZZ J AC Plug 9Pin CNS701 QCNCWZF24AWZZ J AE Socket 24Pin CNS901 QCNCW010NAWZZ J AC Socket 13Pi...

Page 72: ...Refelector B 206 MSPRD0092AWFJ J AB Spring Cassette Tape 1 207 MSPRD0093AWFJ J AB Spring Cassette Tape 2 208 92LHOLD3022AS1 J AB Stabilizer Ass y 208 1 Stabilizer Not Replacement Item 208 2 PMAGF0001AWZZ J AF Magnet Stabilizer 208 3 92LSUPT1749D J AA Support Stabilizer Magnet 209 MLEVP0067AWZZ J AC Lever Lock 210 LCHSZ0011AWZZ J AG Chassis CD Mechanism 211 LHLDZ1141AWZZ J AB Support Pitch 212 MLEV...

Page 73: ...ABE0343AWZZ J Label Bar Code TLABE0346AWZZ J Label Bar Code TLABG0002AWZZ J AB Label Hong Kong For Hong Kong Only TLABH0056AWSA J Sheet E C Comparison For Taiwan Only TLABH0057AWSA J Sheet E C Comparison For Taiwan Only TLABH0058AWSA J Sheet E C Comparison For Taiwan Only TLABJ0003AWZZ J AB Label SHARP Corporation JAPAN For Chile Peru Bolivia TLABS0229AWZZ J Label Safety For Hong Kong Only TLABZ06...

Page 74: ...CD K1861V A B C D E F G H 1 2 3 4 5 6 Figure 9 CD MECHANISM EXPLODED VIEW 9 CD K1861V 306 1 701 304 701 302 301 702 303 M1 703x2 305x2 SW4 M2 305 PWB D 306 2 306 3 306 704 703x2 ...

Page 75: ...4 202 3 202 4 202 5 202 10 202 6 202 8 262 262 206 240 1 240 2 240 258 FL701 256 275 257 260 260 1 260 2 260 3 260 4 260 5 260 6 260 7 260 8 260 9 260 10 260 11 610x6 202 Silicon Grease Silicon Grease 601x2 610x11 603x3 272 202 7 202 23 255 254 249 243 241 203 204 205 1 205 2 205 3 205 624x3 239x2 202 22 235 253 PWB B2 606x3 601x2 PWB B1 248x6 M901 607x2 246 242 248 x6 606 604x2 621 621x2 250 625x...

Page 76: ...NISM PWB C 269 612 628 613 613 229 225 228 209 224 232 229 613 225 616x4 229 214 210 SOLM2 M3 617x2 SW2 213 220 212 216 218 219 219 211 619 618 217 215 618 222 221 229x2 229 603 223 229 229 268 SW3 201 614 611 259 208 1 208 2 208 3 208 230 234 233 233 3 233 2 233 1 233 4 613 615 227 226 231 602x2 602x2 ...

Page 77: ...CD K1861V CP C861 Figure 12 SPEAKER EXPLODED VIEW A B C D E F G H 1 2 3 4 5 6 12 ...

Page 78: ...CD K1861V M E M O 13 ...

Page 79: ...CD K1861V M E M O 14 ...

Page 80: ...etrieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A9910 2235NS HA M SHARP CORPORATION Communication Systems Group Quality Reliability Control Center Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan EX ...

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