Sharp XL-70 Service Manual Download Page 25

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XL-70/70C

Figure 25 SCHEMATIC DIAGRAM (2/6)

R634 3.3K

Q609
KRC107 M

R435
10K

R436
10K

CNP652

D401
1N4004

D402
1N4004

R113
3.3K

CNS704

9
8
7
6
5

4
3
2
1

GND2

GND3

CNP605

R425
1K

R424
1K

R423
1K

R440

3.9K

C424

0.1(ML)

C422

0.1(ML)

C426

10/16

C420

0.0027

C418

2.2/50

R438

6.8K

C416

10/16

C429

33/16

R437

6.8K

R439
3.9K

D403

1N4004

C430

100/16

C425
10/16

C423

0.1

C421

0.1(ML)

C419

0.0027

C417

2.2/50

IC401 LC75342M

15 14 13 12 11 10

R416
1K

R415
1K

0
1266 GR

J601
HEADPHONES

R662
330

R661
330

CFW601

C640

0.01

C639

0.01

SO601

SPEAKER

TERMINALS

C402
10/16

C404
10/16

C406
10/16

C405
10/16

C403
10/16

C401
10/16

Q608
KRA102 M

R625

10K

Q606
KTC3199 GR

D604
1N4148

C627

0.022

Q607
2SD2012 Y

C626

47/16

ZD602

MTZJ7.5C

R624
1K

R623

22K

C624

0.022

C625

10/16

R629

820

C620

470/25

ZD601
MTZJ13A

C622

0.022

Q603
KTC3199 GR

R620
47

R619
47

R628
100

C621

100/25

D602

1N4148

R617

33K

R621

22K

Q605
2SD2012 Y

STEREO

D_GND

A_12V

M_12V

U_CON5V

SOL

MOT

REC

M_GND

CD+B

M_12V

CD_6.2V

D_GND

P_STB

P_MUTE

A_GND

CD_L

CD_R

13V

20V

12.3V

11.7V

20V

11.7V

4.5V

7.8V

7.5V

20V

6.2V

9.6V

4.8V

10.8V

CD TEST POINT

FROM
DISPLAY
PWB

Y PWB

VDD

VREF

ROUT

RBS2

RBS1

RTRE

RIN

RSL0

LSL0

LIN

LTRE

LBS1

LBS2

LOUT

TEST

VSS

FROM CD SERVO PWB

PE R

TAPE L

EC R

EC L

TAPE R

TUN R

CD R

TAPE L

TUN L

CD L

SP604

SP603

SP602
WOOFER

SP601
WOOFER

TWEETER

4 Ohm

P MUTE

P-STB

CD+B

FM ST

R-CH

L-CH

4.8V

R418

R420

R417

R419

C415

10/16

SPEAKERS

R627

10K

GND1

20V

Q604
2SD2012 Y

D603

1N4148

IC401

FUNCTION/VOLUME EQUALIZER

LC75342M

CNS605

P29 12-C

CNW704

P27 12-F

CD SIGNAL

RECORD SIGNAL

PLAYBACK SIGNAL

AM SIGNAL

FM SIGNAL

Q686~Q689
VOLTAGE
REGULATOR

Q683~Q685
VOLTAGE
REGULATOR

SO401

R-CH

L-CH

R406

27K

R405

27K

R408

1.5K

R407

1.5K

C412
330P

C411
330P

C408
10/16

C407
10/16

AUX L

AUX R

R422
1K

R421
1K

C340
0.001

1
2
3
4
5
6
7
8
9

C647

330P

C609

47/50

C613

1000/35

IC601

LA4451

VCC

STAND-BY

C615
0.022

C616

2200/50

C614

1000/35

C610 47/50

D614

1N4004

D612

1N4004

R614

270(1/2W)

R613

270(1/2W)

C611

0.1(ML)

R609

3.3

D611

1N4004

D613

1N4004

R610

3.3

C612

0.1(ML)

R601

C605

4.7/25

C607

220/25

R615

4.7K

C601

33/16

R603

10K

R607

6.8K

R604

10K

R616

4.7K

Q602

KTC3199 GR

C603

100P

R605

R606

82
C608

220/25

C604

100P

C629

220/50

C606

4.7/25

C648

0.0012

R608

D601

1N4148

R-CH

L-CH

A_GND

C602

1/50

R602

4.7K

Q601

KTC3199 GR

CNS604

POWER AMP.PWB-B2

1.2V

30.0V

3.3V

31.5V

16.0V

28.0V

16.0V

IC601

POWER AMP.
LA4451

CNP651

CNP604

C630

4700/25

D652

D653

D654

D651

C651
0.1

C654
0.1

C657
0.1

D657

D656

F652

1.6A 125V

C656
0.1

D659

C659
0.1

C658
0.1

D658

F651

4A 125V

T651

MAIN POWER

TRANSFORMER

31.5V

BI651

CNS651

D651~5654:1N5402M
D656~D659:1N4004

R684

1.2K

C689

47/16

R686
47K

Q683

KTC3199 GR

R685
10K

3
2

CNP681

BI652

CNS652

T681

SUB POWER

TRANSFORMER

D684

D681

D683

D682

C695

0.001

Q682

2SD468 C

R683

ZD682

MTZJ5.6B

RLY601

D685
1N4004

T.F

0.8V
(0V)

D681~D684:1N4004

9.0V

0.2V

(5.2V)

Q681~Q683:
VOLTAGE
REGULATOR

5.6V

C660

0.001

C696

0.001

CNP653

C683

2200/16

4.9V

C688

0.022

C686

0.022

ZD681

MTZJ6.8A

R681

Q681

2SD468 C

6.4V

5.8V

9.0V

C685

47/16

R682

1.2K

POWER PWB-B1

SO651

AC POWER

INPUT SOCKET

AC120V,60Hz

CN707

FROM
DISPLAY
PWB

P26 1-F

HEADPHONES PWB-A5

R651
680(3W)

(229)
TO TAPE MECHANISM
CHASSIS

TO MAIN
CHASSIS

+B2

B2 GND

R410

C414

0.47/50

R411
1K

C413
0.001

SUB

WOOFER

VIDEO/

AUX

R412

27K

R413
27K

R652
4.7M

C684

0.047

Summary of Contents for XL-70

Page 1: ...0 LCD SEGMENT 48 PARTS GUIDE EXPLODED VIEW PACKING OF THE SET FOR U S A ONLY SERVICE MANUAL SHARP CORPORATION No S5037XL 70 In the interests of user safety the set should be restored to its original condition and only parts identical to those specified should be used This document has been published to be used for after sales service only The contents are subject to change without notice XL 70 XL ...

Page 2: ...ssive and indicates a potential shock hazard which must be corrected before returning the audio product to the owner FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT PLEASE REFER TO THE OPERATION MANUAL AC SCALE VTVM 1 5k ohms 10W 0 15µF TEST PROBE TO EXPOSED METAL PARTS CONNECT TO KNOWN EARTH GROUND SPECIFICATIONS XL 70 70C CP XL70U Specifications for this model are subject to change with...

Page 3: ...on 18 Memory Set Button 19 Clock Timer Sleep Button 20 Band Selector Button 21 CD Review Button TAPE Rewind Button TUNER Tuning Down Button 22 Function Selector Button 23 Headphone Socket 24 CD Play Pause Button TAPE Play Button 25 Jog Dial 26 CD Cue Button TAPE Fast Forward Button TUNER Tuning Up Button 27 Volume Jog Dial Selector Button 28 Cassette Compartment 10 11 12 13 14 15 16 17 18 24 25 26...

Page 4: ... Down Review Button 9 Track Up Cue Button Tape control section 10 Record Pause Button 11 Rewind Button 12 Stop Button 13 Play Button 14 Fast Forward Button Common section 15 Sleep Button 16 Bass Up Down Buttons 17 Function Selector Buttons 18 Power Button 19 Timer Button 20 Clock Button 21 Treble Up Down Buttons 22 Volume Up Down Buttons 3 4 5 10 11 2 6 7 8 9 12 13 14 20 22 15 16 17 18 19 21 1 1 T...

Page 5: ...M 11 59 0 00 The 24 hour display will appear 0 00 23 59 Note that this can only be set when the unit is first installed or it has been reset 4 Press the MEMORY SET button 5 Adjust the hour by turning the jog dial When the jog dial is turned one click clockwise the time will increase by 1 hour When it is turned one click counterclockwise the time will de crease by 1 hour Keep turning the jog dial t...

Page 6: ...nsert the batteries Inserte las pilas 3 Replace the battery cover Vuelva a colocar la cubierta 2 AA size batteries UM SUM 3 R6 HP 7 or similar 2 pilas del tamaño AA UM SUM 3 R6 HP 7 or similares Batteries are not included Las pilas no están incluidas 4 Connections Conexiones 1 2 2 1 3 SUB WOOFER OUT 1 Connect the AM and FM antennas Conecte las antenas de AM y FM 2 Connect the speaker system Conect...

Page 7: ...appears Pulse el botón FUNCTION hasta que aparezca TAPE 3 Load a cassette Inserte un cassette 4 Press the button Pulse el botón 5 Adjust the VOLUME control Ajuste el control VOLUME 8 Recording from a CD Grabación de un disco CD 1 Press the POWER button to turn the power on Pulse el botón POWER para conectar la alimentación 2 Press the FUNCTION button until CD or NO DISC ap pears Pulse el botón FUN...

Page 8: ...ickup from electrostatic damage Caution on Disassembly Follow the below mentioned notes when disassembling the unit and reassembling it to keep it safe and ensure excellent performance 1 Take cassette tape and compact disc out of the unit 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 ...

Page 9: ...2 5x10mm Front Panel Cassette Holder L1 x3 ø2 5x14mm L1 x2 ø2 5x8mm M2 x1 ø2 5x10mm L1 x1 ø2 5x10mm L2 x1 L2 x1 L2 x2 Top Cabinet CD PWB Open Close Switch PWB CD Motor PWB CD Mechanism PWB Washer Digital Out PWB CD Lid PWB M1 x1 L3 x1 CD Mechanism CD Lid Motor CD Lid Motor Holder N2 x3 ø2 5x10mm N1 x3 ø2 5x14mm PWB Washer x3 Top Cabinet A1 x1 A3 x1 A4 x4 ø3x12mm Woofer Tweeter A2 x4 ø4x20mm Speake...

Page 10: ...he belt is not twisted and clean it How to remove the motor See Figs 10 4 1 Remove the main belt 2 Remove the screws D1 x 2 pcs to remove the motor bracket 3 Remove the screws D2 x 3 pcs to remove the motor Note Whenmountingthemotor payattentiontothemotormounting angle Figure 10 1 Figure 10 2 Figure 10 3 Figure 10 4 A Pinch Roller B1 x1 Pinch Roller Pawl REMOVING AND REINSTALLING THE MAIN PARTS Ma...

Page 11: ... 11 2 1 Remove the side panel and top cabinet 2 Remove the jog belt G1 x 1 pc from the motor pulley 3 Remove the screws G2 x 2 pcs to remove the jog motor Note When putting on the belt ascertain that the belt is not twisted and clean it Figure 11 1 Figure 11 2 G2 x2 ø2x5mm Worm Gear Jog Belt G1 x1 Jog Motor Holder Jog Motor Display PWB Tape Mechanism PWB Tape Mechanism PWB F3 x2 Solder Joint F2 x1...

Page 12: ...1 620 kHz T351 1 AM Band 522 kHz fL T306 2 Coverage 1 1 0 1 V AM 990 kHz 990 kHz fL T302 1 Tracking fL Low range frequency fH High range frequency Signal generator 400 Hz 30 AM modulated AM IF RF FM RF Signal generator 1 kHz 75 kHz dev FM modulated FM Band 87 5 MHz fL L303 1 Coverage 3 4 0 1 V FM RF 98 00 MHz 98 0 MHz L302 2 10 30 dB Test Stage Frequency Frequency Display Setting Adjusting Parts I...

Page 13: ...C PAUSE Shift to step 5 In case of initialization the pickup is moved toward the inner periphery Any buttons other than POWER button are not accepted until the shift of pickup to the inner periphery is completed at this time If PU IN SW ON cannot be detected within 10 seconds the slide motor is stopped and the following error indication appears Press the POWER button to end the test mode or press ...

Page 14: ...the inner periphery while this button is held down However if PU IN is on input is invalid PLAY If the focus has been set shift to step 4 is executed If the focus has not been set acceptance isinhibited STOP Return to step 1 REC PAUSE Shift to step 5 If the focus is disturbed after it has been set the process returns to step 1 3 Step 3 Mode The laser is kept lighting The processing until turning o...

Page 15: ...he tuner test mode is turned on the following indication lights for one second The TUNER TEST2 mode is set as a result of Volume Select POWER IF AC is set to OFF in the TEST2 mode the initial state is restored When POWER is set to OFF the memory of TEST2 mode is protected When the power is turned on again the ordinary operation is enabled while the data is stored in the memory besides TUNER If AC ...

Page 16: ...on is performed The fade in when playback is started is executed at a rate of one step for 0 5 sec After completion of fade in the fade out is executed at a rate of one step for 0 5 sec WAIT 1 sec inserted After completion of fade out the power is turned off after WAIT 1 sec and the mode is changed to the standby mode The indication during operation is the same as that of ordinary timer operation ...

Page 17: ...ction SW cannot detect ON after a fixed period of time even if the microcomputer controls the CD pickup to return to the innermost position Probable cause Defective or poorly connected PU IN SW or slide motor Action Solve the problem and turn on the power again Error content Focusing is impossible Probable cause The disc is loaded upside down not CD DA scratches stains etc Action Open the CD lid t...

Page 18: ...l as K and M are used the symbol K means 1000 ohm and the symbol M means 1000 kohm and the resistor without any symbol is ohm type resistor Besides the one with Fusible is a fuse type Capacitor To indicate the unit of capacitor a symbol P is used this symbol P means micro micro farad and the unit of the capacitor without such a symbol is microfarad As to electrolyticcapacitor theexpression capacit...

Page 19: ... IC802 53pin STOP PLAY CUE FEI 1 TEI 1 IC802 43pin SBAD 2 TRO 2 IC802 44pin IC802 49pin RFO 3 FMO 3 IC801 22pin IC802 53pin STOP PLAY REVIEW FEI 1 TEI 1 IC802 43pin RFGO 2 TRO 2 IC801 19pin IC802 49pin RFRP 3 FMO 3 IC801 17pin IC802 53pin STOP PLAY TCD 782 TNO 02 PLAYBACK TEI 1 LO 1 IC802 46pin TRO 2 IC802 49pin RO 2 SBAD 3 IC802 44pin 1 2 3 4 6 7 11 15 16 17 IC802 85pin IC802 46pin IC802 46pin IC...

Page 20: ...N X OUT VSS AOUT AIN PD VDD AM IN NC IF IN IF REQ SW VCC AM ANT AM OSC VD301 1 SVC348S VD301 2 SVC348S VR351 10K B FM MUTE LEVEL 23 T351 5V AM IF VT MUTE R M MO ST L CH OUT R CH OUT MPX VCO AM LOW CUT FM AM OUT MPX IN AM OSC OUT FM AFC AM RF IN VSM AM OSC IN AM MIX OUT AM IF IN GND REG FM IF IN SD STEREO FM DET PHASE AM FM IF OUT PHASE FM IF DET FM MPX AM IF 4 5MHz Q351 SWITCHING R_MUT ZD351 MTZJ5...

Page 21: ... 5 4 3 2 1 CE DI 30 CL LOGIC TUN L TAPE L CD L TAPE R TUN R CD R 1 2 3 4 5 6 7 8 9 CNS704 R MUTE SWITCHING R_MUTE 351 J5 1B Q360 LE A_12V ER FROM DISPLAY PWB CNP652 Q607 Q605 Q604 Q606 Q608 Q603 Q609 VOLTAGE REGULATOR CD B CD_6 2V MECHA 12V M_12V AUDIO 12V A_12V ND A_12V R CH OUT L CH OUT A_12V A GND CD R M GND M_12V D_GND CD_6 2V L CH L CH 1 2 9 2 5 11 8 14 REC R CH REC L CH NC FUNCTION VOLUME EQ...

Page 22: ...71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 X801 16 93MHz A_GND 5V SW730 CD LID OPEN CLOSE CFW807 1 2 CFW701 1 2 SW700 JOG A B C 1 2 3 CNP706 CNS706 UP DOWN 5V Q706 Q707 SWITCHING LED B A_12V 1 2 3 CNS707 SYS STOP REMOCON RESET U COM VDD U CON 5V P CONT 5V Q861 CD_6 2V SW711 SW713 D701 709 LED D_GND M_12V D_GND SWITCHING D_GND KEY TO POWER PWB 1 2 1 2...

Page 23: ... 3 4 5 6 7 CNS802 1 2V 5V E A B F C VREF 5V 1 2V 5V E A B F C TR TR FO FO LD V PD GND CD 5V M_GND CNS605 1 2 3 4 5 6 7 IC702 TA7291S 8 9 MVOL_DW MVOL_UP CNP705 1 2 CNS705 M M701 JOG MOTOR LOADING MOTOR DRIVER IC804 LA6541D VCC MUTE VCC REG RESET RES CD REG REG IN OUT SP SP SL SL 5V FO FO TR TR CD STB 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 Q861 CD_6 2V CD_6 2...

Page 24: ...K R359 1 8K R360 4 7K C384 0 001 Q360 KTA1266 GR R385 5 6K R383 5 6K R376 10K U CON5V SOL MOT REC RUN_PLS BIAS B_CAN TAPE_SW 0V 0V 1 5V 1 5V 0 3V 0 3V 0 8V 0 8V 0 8V 0 8V 0 3V 0 3V 8V 10V 0 3V 8 3V 0V 0V 0V 0V 0V 0V 11 7V 11 7V 0V 0V 0V 2 6V 0V 7 8V 8 3V 0V 4 7V 3 2V 0 7V 0V 11 9V 11 8V 11 8V 11 7V 11 7V 11 7V 0V 4 4V 0 6V 4 9V 4 9V 10 1V 10 2V 4 6V 4 6V 0V 0V 0V 0V 0V 0 6V 0 7V 0 7V 0 9V 0 9V 5 2...

Page 25: ...FUNCTION VOLUME EQUALIZER LC75342M CNS605 P29 12 C 3 D CNW704 P27 12 F CD SIGNAL RECORD SIGNAL PLAYBACK SIGNAL AM SIGNAL FM SIGNAL B B B B B B B B B B B B B B Q686 Q689 VOLTAGE REGULATOR Q683 Q685 VOLTAGE REGULATOR B SO401 R CH L CH R406 27K R405 27K R408 1 5K R407 1 5K C412 330P C411 330P C408 10 16 C407 10 16 AUX L AUX R R422 1K R421 1K C340 0 001 13 2 14 1 11 8 10 9 12 7 3 4 6 5 1 2 3 4 5 6 7 8...

Page 26: ...5 STOP CLEAR R708 2 2K SW724 REC PAUSE R709 1 5K SW723 BAND R710 1 2K SW722 BASS TREBLE R711 1 2K R725 10K R724 8 2K C703 0 022 L701 100µH R701 10K R702 10K SW709 ON STAND BY SW710 CLOCK TIMER SLEEP R721 10K R722 10K SW721 MEMORY SET SW711 TUNING UP R738 1K R737 1K R739 1K R740 1K R741 1K R734 1K R733 1K R732 1K R731 1K R743 1K R744 1K X701 8 MHz C702 22P CH C701 22P CH R728 1K R746 1K R729 47K R7...

Page 27: ...RO TAPE_SW DI DO CL CE PU_IN REC MOT SOL MVOL_IND MVOL_UP MVOL_DW CLID_SW P_STB P_STB P_MUTE 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 4 6V 4 3V 4 3V 4 3V 4 3V 4V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 0V 0V 0V 0V 0V 0V 0V 0V 0V BACK_LIGHT P_MUTE CCE CLID_DW CLID_UP SEG3 ...

Page 28: ...2V 2 2V 2 2V 2 2V 2 2V 1 4V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 4 3V 0 6V 2 4V 1 2V 2 5V 2 5V 2 5V 1 7V 1 4V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 5V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V 0V FROM DISPLAY PWB RST TSMOD TEST4 CCE BUCK VSS VDD BUS3 BUS2 BUS1 BUS0 TEST3 TEST2 TEST1 DVR DVSL LO ...

Page 29: ... 3 1V 3 1V 0V 0V 0V 0V 0V 0V 2 8V 2 8V 2 5V 2 2V 2 5V 2 8V 2 8V 2 2V 2 2V 2 2V 2 1V 2 1V 2 1V 2 1V 6 3V 2 2V 5 1V 5 6V 5V 5V 5V 2V 4 1V 3 4V 3 4V 4 3V 2 5V 5V 0V 0V 1 7V 2 2V 2 2V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V 2 1V TO MAIN PWB TR FO FO LD VR PD GND TR C F B A E VREF 5V SP SP SL SL PU IN GND TR 5V 1 2V E A B F C GND PU IN SL SL SP SP PICKUP UNIT GND PD VR LD ...

Page 30: ...MS ANTENNA ANTENNA TERMINALS CNS703 TO DISPLAY PWB 5 BK GY GY GY GY GY GY GY GY GY GY GY GY BK 7 6 5 4 3 2 1 CNS901 P33 11 G TO TAPE MECHANISM PWB CNP901 CNS101 PK WH RD WH RD WH WH BK BK YL BL BK WH BK ERASE HEAD RECOED PLAYBACK HEAD 1 2 3 1 2 3 1 7 B C E E C B B C E B C E 9 8 7 6 5 4 3 2 1 J601 HEADPHONES 8 7 6 5 4 3 2 1 P33 8 A P32 3 C P31 9 A P31 12 C C344 10 11 13 12 11 10 9 8 7 6 5 4 3 2 1 C...

Page 31: ... 16 20 22 23 24 25 21 27 28 29 26 30 32 33 34 35 31 42 41 37 38 39 36 40 SW728 VOLUME JOG VOLUME SELECT 3 2 1 B C E B C E E C B 3 2 1 GY GY BK CFW701 TO MAIN PWB P30 6 G CNP703 1 2 3 4 5 6 7 8 9 3 SW721 BAND CLOCK TIMER SLEEP BASS TREBLE CNS702 P32 1 D P30 6 F 1 2 3 4 5 6 7 8 9 R7D8 R7D3 R7D5 R7D9 R7D1 R7E1 R7D2 R7D6 R710 C772 R7D4 R7B3 R7B2 R708 R729 R783 R727 R721 R723 C702 R731 C701 R732 R711 R...

Page 32: ... PWB C CD LID PWB A9 DIGITAL OUT PWB A8 CD PWB A3 PICK UP IN NSW801 NM801 SLED MOTOR NM802 SPINDLE MOTOR CNS802 CNS801 E C B OPEN CLOSE SWITCH PWB A6 L804 R843 M CNS804 CNP804 M801 CD LID MOTOR C871 BK RD 3 2 1 C851 L802 C852 BI805 3 2 1 R861 R862 R863 C860 R824 R80A IC801 R80B R80F R80C C849 C843 R827 C839 C847 C806 C846 C863 C805 C848 R806 C804 C802 R825 R804 C812 C807 C844 C820 C809 C810 C817 C...

Page 33: ...V C610 F652 1 6A 125V C651 Q681 1 1 2 2 1 3 2 3 4 5 6 7 8 9 10 11 12 13 1 2 CNP604 TO MAIN PWB P30 4 A T651 MAIN POWER TRANSFORMER T F C654 E C B T681 SUB POWER TRANSFORMER 1 2 B C E B C E SO651 CNS652 1 2 CNP652 TO MAIN PWB SO651 AC POWER INPUT SOCKET AC120V 60HZ 238 FROM TAPE MECHANISM GND TO MAIN CHASSIS GND POWER PWB B1 POWER AMP PWB B2 CNS651 2 1 229 CNP653 RD BR RD BR P30 1 A 1 2 BR COLOR TA...

Page 34: ... 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 it...

Page 35: ...tput on pin 38 of IC802 in CD TEST MODE STEP 5 Check the procedure HF ERROR Yes No No No No Check the pattern between pin 57 PUIN of IC701 and BI803 CNS803 Check the between BI803 CNS803 and PU IN switch Set ON condition the CD Lid switch Check the procedure in SPINDLE MOTOR CLV SERVO FAILURE No Does the sled motor move No Does the sound heard when the optical pickup move to the selected play by t...

Page 36: ...eform shown above input at the pin 44 SBAD of IC802 Yes Yes No No The optical pickup is faulty Check as stated in item FOCUS SERVO SAWTOOTH WAVE FAILURE Yes Check the periphery of IC801 and BI802 CNS802 Is it normal No Check the pattern between pin 13 of IC801 and pin 44 of IC802 Check the periphery of IC801 and BI802 CNS802 IC801 is faulty Yes Is 6 2V applied to the emitter of Q861 Is 5V applied ...

Page 37: ...ed between pins 3 and 4 of BI801 CNS801 as shown above Yes Check the PWB pattern between BI801 CNS801 and IC804 No BI801 CNS801 connection failure or optical pickup failure Yes Spindle motor clv servo failure Is above wave obtained between pins 5 and 6 of IC804 Is following wave output to the pin 55 DMO of IC802 when the CD TEST MODE STEP 3 is changed to STEP 4 No Yes Check the procedure in HF ERR...

Page 38: ...he pins 82 or 85 of IC802 and the pins 1 or 3 IC601 No Check the PWB pattern between R819 and Q861 Yes Is signal of pins 82 and 85 of IC802 output No Check the peripheral parts of IC802 If OK IC802 is faulty Yes The main PWB is faulty Check the periphery of IC801 Check the PWB pattern between pin 12 TEO of IC801 and pins 46 and 47 of IC802 Is it normal Is output obtained at the pins 2 and 5 of BI8...

Page 39: ...layback Is the following wave output to the pins 12 TEO of IC801 during track search in normal playback Yes Yes No Check as stated in item SLED MOTOR OPERATION FAILURE No IC802 failure No Check the PWB pattern between pin 49 TRO of IC802 and pin 18 of IC804 Check the PWB pattern between pins 20 and 21 of IC804 and Optical pickup If OK Optical pickup failure Yes Is the above wave output to the pins...

Page 40: ... pin 22 RIN Volume equalizer input pin 23 RTRE Capacitor connection pin comprising treble band filter 24 RBASS1 Bass band filter comprising capacitor and resistor connection pin 25 RBASS2 Bass band filter comprising capacitor and resistor connection pin 26 ROUT Volume equalizer output pin 27 NC No CONNECT pin To be open or connected to VSS 28 Vref 0 5 x VDD voltage generation block for analog grou...

Page 41: ...ack selection output of tape circuit H Recording mode L Playback mode 32 RST P27 Input Reset signal input 33 RMOUT P10 Input CLOCK TIMER SLEEP button input 34 P11 Input Tape run END detection input Decided as tape run if pulse is input 35 TM2IO P12 Output Recording bias oscillation circuit control output H Bias oscillation L oscillation stop 36 TM3IO P13 Output Recording bias oscillation frequency...

Page 42: ...7 of the microcomputer output terminal and connections are made up to the shift SEG26 in order Pin No IC701 RH iX0026SJZZ System Control Microcomputer IX0026SJ 2 2 Figure 42 BLOCK DIAGRAM OF IC IC701 RH iX0026SJZZ System Control Microcomputer IX0026SJ 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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 75 74 7...

Page 43: ...1V 17 RFRP Output Track count signal generation amp output terminal 18 RFIS Input RFRP detection circuit input terminal 19 RFGO Output RF signal output terminal 20 RFGC Input RF amplitude adjustment control signal input terminal The amplitude of RF signal can be controlled by using the 3 value PWM signal PWM carrier 88 2 kHz which is output from the RFGC terminal of TC9432F 21 AGCI Input RF signal...

Page 44: ...ection system frame clock 7 35 kHz output terminal 22 MONIT Output LSI internal signal monitor terminal It is possible to monitor the DSP internal flag and PLL system clock with the microcomputer command Terminal for serial output of text data according to command 23 VDD Digital power terminal 24 TESIO0 Input Test input output terminal To be fixed to L usually Terminal to input the text data read ...

Page 45: ...d with command 60 FLGC Output Internal signal monitor external flag output terminal TRON TRSR FOK and SRCH signals can be selected with command 61 FLGD Output Internal signal monitor external flag output terminal TRON DMON HYS and SHC signals can be selected with command 62 VDD Digital power terminal 63 VSS Digital ground terminal 64 IO0 Input Output General use I O port 65 IO1 The input port and ...

Page 46: ...onnected to the outside Figure 46 BLOCK DIAGRAM OF IC IC802 VHiTC9462F 1 Servo Signal Control TC9462F 2 3 4 5 1 7 8 9 6 12 13 14 15 11 17 18 19 10 16 22 23 24 25 21 27 28 29 20 30 26 42 43 44 45 41 47 48 49 50 46 32 33 34 35 31 37 38 39 40 36 89 88 87 86 90 84 83 82 81 85 99 98 97 96 100 94 93 92 91 95 72 73 74 75 71 77 78 79 70 80 76 62 63 64 65 61 67 68 69 60 66 52 53 54 55 51 57 58 59 56 LPF 1B...

Page 47: ...ovided transistor PNP 16 RES Reset output 17 CD Reset output delay time setting capacitor provided externally 18 VIN3 Input terminal of BTL AMP3 19 VG3 Input terminal of BTL AMP3 for gain adjustment 20 VO5 Output terminal of BTL AMP3 noninversion side 21 VO6 Output terminal of BTL AMP3 inversion side 22 GND GND terminal lowest potential 23 GND GND terminal lowest potential 24 GND GND terminal lowe...

Page 48: ...l4 m4 f4 c5 com4 com4 z2 k1 d1 e1 z3 k2 d2 e2 MHz k3 d3 e3 kHz k4 d4 e4 z4 PinNo 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 com1 h5 g5 a5 RDS h6 g6 a6 r h7 g7 a7 TP h8 g8 a8 EON com1 com2 j5 n5 p5 b6 j6 n6 p6 b7 j7 n7 p7 b8 j8 n8 p8 PTY com2 com3 l5 m5 f5 c6 l6 m6 f6 c7 l7 m7 f7 c8 l8 m8 f8 TI com3 com4 k5 d5 e5 ST k6 d6 e6 q k7 d7 e7 k8 d8 e8 TA SRS 0 com4 z1 z2 z3 r q z4 1 2 ...

Page 49: ...he 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 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 S...

Page 50: ...een MPG3372X D720 723 VHD1N4148 1 J AA Silicon 1N4148 D730 VHPHY2043 1 J AD LED Orange HY2043 D732 VHPHY2043 1 J AD LED Orange HY2043 D736 737 VHPHY2043 1 J AD LED Orange HY2043 D901 904 VHD1N4148 1 J AA Silicon 1N4148 ZD351 VHEMTZJ5R1B 1 J AC Zener 5 1V MTZJ5 1B ZD601 VHEMTZJ130A 1 J AC Zener 13V MTZJ13A ZD602 VHEMTZJ7R5C 1 J AC Zener 7 5V MTZJ7 5C ZD681 VHEMTZJ6R8A 1 J AA Zener 6 8V MTZJ6 8A ZD6...

Page 51: ... 50V C625 RC GZA106AF1C J AB 10 µF 16V Electrolytic C626 RC GZA476AF1C J AB 47 µF 16V Electrolytic C627 VCKYTV1EF223Z J AA 0 022 µF 25V C629 RC GZV227AF1H J AC 220 µF 50V Electrolytic C630 RC GZW478AF1E J AG 4700 µF 25V Electrolytic C639 640 VCKYPA1HB102K J AA 0 001 µF 50V C647 VCKYBT1HB331K J AA 330 pF 50V C648 VCKYPA1HB122K J AA 0 0012 µF 50V C651 VCFYFA1HA104J J AC 0 1 µF 50V Thin Film C654 VCF...

Page 52: ... AA 270 ohms 1 10W R355 VRS TV2AB332J J AA 3 3 kohms 1 10W R356 VRS TV2AB102J J AA 1 kohm 1 10W R357 VRS TV2AB474J J AA 470 kohms 1 10W R358 VRS TV2AB822J J AA 8 2 kohms 1 10W R359 VRS TV2AB182J J AA 1 8 kohms 1 10W R360 VRS TV2AB472J J AA 4 7 kohms 1 10W R361 362 VRS TV2AB123J J AA 12 kohms 1 10W R363 VRD ST2CD332J J AA 3 3 kohms 1 6W R364 VRS TV2AB332J J AA 3 3 kohms 1 10W R365 VRS TV2AB103J J A...

Page 53: ...CNWN0201SJZZ J AB Flat Wire 5Pin CFW701 QCNWN0200SJZZ J AB Flat Wire 2Pin CFW704 QCNWN0190SJZZ J AE Flat Wire 9Pin CFW806 QCNWN0191SJZZ J AB Flat Wire 3Pin CFW807 QCNWN0182SJZZ J AB Flat Wire 2Pin CNP101 QCNCM931HAFZZ J AC Plug 8Pin CNP301 QCNCM602BAFZZ J AA Plug 2Pin CNP604 QCNCM010NAWZZ J AC Plug 13Pin CNP605 QCNCM705GAFZZ J AB Plug 7Pin CNP651 QCNCM998BAFZZ J AC Plug 2Pin CNP652 653 QCNCM998BAF...

Page 54: ...y 238 QCNWN0147SJZZ J AC Lead Wire with Lug 240 LHLDZ1023SJZZ J AD Holder JOG Motor 241 LHLDZ1024SJZZ J AC Holder JOG Motor Tray 242 LHLDZ1026SJZZ J AC Holder JOG Motor Guide 243 NBLTK0001SJZZ J AA Belt JOG Motor 244 NGERW0001SJZZ J AD Gear Worm JOG Motor 245 NGERW0002SJZZ J AD Wheel JOG Worm 246 NPLYP0001SJZZ J AB Pulley JOG Motor 247 PCOVU9001SJZZ J AC Sheet JOG Motor Guide Holder 248 LANGF0011S...

Page 55: ...J AG Capacitor 3 3 µF 50V 707 LX MZ0003SJFN J Screw ø4 20mm 708 LX MZ0002SJFN J AH Screw ø3 12mm 709 HSY161SPK020 J AD Label Specifications 710 9GDHSY042SPK09 J AG Absorber 711 9GDHSY041SPK06 J AK Speaker Cord A 712 9GDHSY042SPK05 J AG Speaker Cord B SP601 602 VSPA010WB074N J AW Speaker Woofer SP603 604 VSP00DMTB194N J AX Speaker Tweeter PACKING PARTS For Canada Central America SPAKA0047SJZZ J Pac...

Page 56: ...XL 70 70C 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 NM802 703x2 305x2 NSW801 NM801 305 PWB C 306 2 306 3 306 704 307 XL 70 70C ...

Page 57: ... 201 12 201 4x2 PWB A1 PWB B1 PWB B2 604 601x3 PWB A2 PWB A10x3 PWB A10 PWB A10 PWB A8 PWB A7 CD MECHANISM PWB A5 237 1 237 2 237 3 237 4 SOL901 237 5 237 6 237 7 SW901 237 8 SW902 237 9 M901 237 10 PWB D 237 11 PWB E 237 T651 226 225 Silicon Grease Silicon Grease 610x2 601 601 601 PWB A8 609x3 614 234 PWB A4 233 LCD701 232 228 FF REW Clutch Flywheel FF REW Belt Main Belt BELT CONNECTION 201 13x2 ...

Page 58: ...3 L CH SP604 R CH SP601 L CH SP602 R CH 705 707x4 708x4 701 704x4 702 706 710 TWEETER SP603 L CH SP604 R CH WOOFER SP601 L CH SP602 R CH 706 Capacitor 3 3µF 50V TWEETER SP603 L CH SP604 R CH WOOFER SP601 L CH SP602 R CH BK BK Black with White Line Capacitor 706 712 711 BK Black with White Line ...

Page 59: ...eet Unit Feature Label SPAKA0043SJZZ Packing Add Left Right SPAKC0104SJZZ Packing Case FM Antenna AM Loop Antenna AC Power Supply Cord Operation Manual Quick Guide Remote Control SSAKA0002SJZZ Polyethylene Bag Accessories SPAKP0003SJZZ Polyethylene Sheet AC Power Supply Cord 9GDHSY041SPK10 Polyethylene Bag Speaker SPAKA0047SJZZ Packing Add Top Bottom Speaker Not Replacement Item TLABZ0015SJZZ VJ N...

Page 60: ...oshima Hiroshima 739 0192 Japan Printed in Japan COPYRIGHT 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced stored in a retrieval system or transmitted in any from or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher ...

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