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Sharp CD-E44, Service Manual

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Sharp CD-E44 Service Manual Download Page 16

CD-E500

CD-E55/E44

– 16 –

 Figure 16 BLOCK DIAGRAM (1/4)

V

V

–

+

Q807,Q808
Q813,Q814

Q821
Q822
Q823

Q801
Q803

Q810
Q811

Q812
Q819

DO

CL

DI

CE

MO/ST

SWITCHING 

SWITCHING 

FM/AM

IC302

LC72131

PLL(TUNER)

FM/AM

OUT 

P.B.

REC

L 

R 

PB

CNP205

FROM

CD SECTION

CNS205

TAPE 2

ERASE

HEAD

TAPE  2

PLAYBACK

HEAD

TAPE  1

R-CH

L-CH

R-CH

L-CH

P.B 

R

L

R

L REC

L  NF

R  NF

ALC

REC

REF

R  REC

L  REC

R  NF

L  NF

SWITCHING 

L(T2)

R(T2)

R(T1)

L(T1)

IC801

AN7345K

PLAYBACK  AND  RECORD

/PLAYBACK  AMP.

R

L

FM/AM

MPXIN

IF OUT

FM IN

AM IN

MUTE

AM  RF  IN

AM  OSC  IN 

AM  OSC

OUT 

FM

Q360

Q802

Q815

Q818

Q804

Q817

Q805

Q816

Q820

Q809

BIAS CONT

SWITCHING 

SWITCHING 

SWITCHING 

SWITCHING 

SWITCHING 

VT

FM  OSC

OSC BUFF

OSC 

X352

4.5 MHz

AM  BAND

COVERAGE

AM  TRACKING

T302

Q302

Q351

FM MUTE

LEVEL

X351

456 kHz

MO/ST

VCO

FM

DET

VCC

GND 

AM  IF 

CF351

AM IF

IC303

LA1832S

IC303

LA1832S

FM IF DET./

FM MPX./AM IF

AM  MIX

CF352

T351

FM RF

FM

OSC

L302

CF303

T304

FM IF

FM IF

IC301

TA7358AP

FM  FRONT  END

BF301

CNP301

FM

ANTENNA

AM LOOP

ANTENNA

22

3

3

9

8

10

18

1

2

20

19

7 

18

10

8 

17

13

21

4 

5 

2 

24

23

6

9

16

14

12 11

15

1 

5

1

3

8

4

3

2

1

3
2
1

21

7

9

8

5

6

21

2

1

20

22

11

17

15

16

9

6

5

7

13

14

12

15

16

23

24

4

10

STEREO

SD

7 6

+

+B3

+

DG

+

+

+B2

+B2

+B2

+B2

+B2

FM

4

T306

L303

VR351

17

FRO

DISPLAY 

CNS

FROM

DISPLAY SECTION

CNS901

CNS803

M

M801

TAPE

MOTOR

SW801

INITIALIZE

SW803

REC

SOL801

SOLENOID

TAPE 1

SW802

INITIALIZE

SOL802

SOLENOID

CF302

RECORD/

PLAYBACK HEAD

B.P.F

Q306

L 

L 

R 

R 

R 

L 

TAPE

TUNER 

CD

R 

L 

AUX

Q806

2

3

4

5

6

7

CL

DI

CE

DO

FM ST

SD

5

4

3

2

1

10

9

8

7

6

T1_SOL

T1_RUN_PLUS 

T2_RUN_PLUS 

T_MOTOR 

CH_SW 

BIAS

TAPE_SW 

T2_SOL

REC 

REC/PLAY

PHOTE INTERRUPTER 

PHOTE INTERRUPTER 

U_CON5V

SOLENOID

DRIVER

TAPE MPTOR

DRIVER

SOLENOID

DRIVER

CNP202

CNP803

Summary of Contents for CD-E44

Page 1: ... FOR U S A ONLY 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 CONTENTS MINI COMPONENT SYSTEM MODEL CD E500 CD E500 Mini Component System consisting of CD...

Page 2: ... for Canada For Canada CD E500 E55 CD E44 Power source AC 120 V 60 Hz Power consumption 96 W Dimensions Width 10 5 8 270 mm Height 12 305 mm Depth 13 1 2 342 mm Weight 14 5 lbs 6 6 kg Output power 50 watts minimum RMS per channel into 8 ohms from 100 Hz to 20 kHz 10 total har monic distortion Output terminals Speakers 8 ohms Headphones 16 50 ohms recommended 32 ohms Input terminals Video Auxiliary...

Page 3: ...epeat Tape Play Button 25 CD 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 Number Indicators 2 CD Play Indicator 3 Tape Play Indicator 4 FM Stereo Mode Indicator 5 FM Stereo Receiving Indicator 6 Memory Indicator 7 Extra Bass Indicator 8 Timer Recording Indicator 9 Timer Play Indicator 10 CD Paus...

Page 4: ... mark in the illustration or highlighted in bold on the right can be operated on the remote control only 1 2 3 4 5 6 7 8 9 10 14 12 13 11 17 18 21 20 19 15 16 Display 1 Disc Number Indicators 2 CD Play Indicator 3 Tape Play Indicator 4 FM Stereo Mode Indicator 5 FM Stereo Receiving Indicator 6 Memory Indicator 7 Extra Bass Indicator 8 Timer Recording Indicator 9 Timer Play Indicator 10 CD Pause In...

Page 5: ...D Tray Cover C1 x1 3 Hook C2 x2 4 Socket C3 x1 5 Socket C4 x2 6 1 4 Rear Panel 1 Screw D1 x8 5 2 5 Main PWB 1 Screw E1 x3 5 2 2 Screw E2 x2 6 1 3 Socket E3 x9 4 Socket E4 x2 6 2 6 Front Panel 1 Screw F1 x3 6 1 2 Hook F2 x2 7 Display PWB 1 Screw G1 x13 6 2 8 Tape Mechanism 1 Open the cassette holder 6 2 2 Screw H1 x8 9 Headphones PWB 1 Screw J1 x1 6 2 10 CD Servo PWB 1 Screw K1 x4 6 3 Note 2 2 Sock...

Page 6: ...6mm F1 x3 ø3x8mm E3 x4 C4 x2 E3 x2 E3 x1 E3 x1 E3 x1 F2 x1 F2 x1 Display PWB Open Cassette Holder Tape Mechanism Headphones PWB Holder PWB J1 x1 ø2 5x10mm H1 x8 ø3x8mm G1 x13 ø2 5x10mm Front Panel E4 x2 CD Player Unit K1 x4 ø3x8mm K2 x1 K2 x1 K3 x2 CD Servo PWB Solder Switch PWB T T Motor PWB Screwdriver Turntable Loading Tray Screwdriver L1 x1 ø3x10mm L2 x1 M1 x1 M1 x1 CD Mechanism Block Pull Pul...

Page 7: ...e the screw C1 x 1 pc the pinch roller can be removed Note When installing the pinch roller pay attention to the spring mounting position How to remove the motor See Fig 7 4 1 Remove the belt 2 Remove the screws D1 x 4 pcs to remove the motor bracket 3 Remove the screws D2 x 3 pcs to remove the motor How to remove the belt TAPE 1 See Fig 7 5 1 Remove the main belt F1 x 1 pc from the motor side How...

Page 8: ...all the parts Install each part in the reverse order of the removal with care TAPE 1 TAPE 2 Stop Washer Driver H1 x1 Stop Washer Mechanism Chassis Washerx2 Flywheel How to remove the tape mechanism PWB TAPE 1 2 See Fig 8 2 1 Remove the screw J1 x 1 pc to remove the tape mechanism PWB 2 Remove the screw J2 x 1 pc 3 Remove the solder joints J3 x 2 pcs to remove the tape mechanism PWB Figure 8 2 TAPE...

Page 9: ... Up Down Loading Motor CD Player Unit B2 x1 Figure 9 2 How to remove the up down loading motor See Figs 9 2 1 Remove the screws B1 x 2 pcs 2 Remove the belt B2 x 1 pc How to remove the CD mechanism unit See Fig 9 3 Perform steps 1 2 3 10and 13 of the disassembly method to remove the CD mechanism 1 Remove the screws C1 x 4 pcs to remove the mechanism unit Note After removing the connector for the o...

Page 10: ...e Instrument Connection Frequency Frequency Display Setting Adjusting Point 1 Input Antenna Output TP301 ADJUSTMENT MECHANISM SECTION Driving Force Check Torque Meter Specified Value Play DM 300 Tape 1 Over 80 g Tape 2 Over 80 g Torque Check Torque Meter Tape 2 Play DM 300 10 to 20 g cm 10 to 20 g cm Fast forward DM 300 Over 50 g cm Rewind DM 300 Over 50 g cm Specified Value Tape 1 Specified Value...

Page 11: ...e following buttons in this state to obtain the operations specified below POWER ON STAND BY Test mode and power turned off to shift to the ordinary standby mode FF FWD After the pickup returns to the innermost periphery it slides toward the outer periphery while this button is pressed REW REV After the pickup returns to the innermost periphery it slides toward the inner periphery while this butto...

Page 12: ...de 3 Tuner Test Mode TEST 2 1 Outline of tuner radio test mode The tuner test mode is intended to store the adjustment and measurement frequencies in the preset memory CH When adjusting the tuner section in the production line adjustingpersonnelarenotrequiredtosetfrequency 2 Details of tuner test mode Press the TUNER BAND and VOLUME UP buttons in POWER OFF state and turn on the power by the use of...

Page 13: ... button in accordance with the following three steps Volume STEP 0 Volume 14 dB STEP 23 Volume 0 STEP 30 3 X BASS is switched when button is pressed 5 Timer test Mode TEST 4 When this test mode is obtained the following display lights for one second Setthecurrenttimeandtimertimeaccordingtothefollowing procedure to reproduce the timer 1 Set the current time to 1 00 the timer to ON time 1 05 the fun...

Page 14: ...re determined by whether SURROUND and an electric lid are available at the initial setting by MODEL port The order of buttons to be pressed is not determined Accordingly it is checked whether all buttons have been pressed 1 PU IN buttons REW PRESET DOWN CD STOP Since this model is provided with SURROUND HAVE OR NOT and electric CD lid the following 10 buttons are detected as all buttons PLAY X BAS...

Page 15: ... 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 TYPES OF TRANSISTOR AND LED REF NO DESCRIPTION POSITION SW711 MEMORY SET ON OFF SW712 TUNING TIME DOWN ON OFF SW713 TUNING TIME ...

Page 16: ...kHz MO ST VCO FM DET VCC GND AM IF CF351 DZH05C2 AM IF IC303 LA1832S IC303 LA1832S FM IF DET FM MPX AM IF AM MIX CF352 T351 FM RF FM OSC L302 CF303 T304 FM IF FM IF IC301 TA7358AP FM FRONT END BF301 CNP301 FM ANTENNA AM LOOP ANTENNA 22 3 3 9 8 10 18 1 2 20 19 7 18 10 8 17 13 21 4 5 2 24 23 6 9 16 14 12 11 15 1 5 1 3 8 4 3 2 1 3 2 1 21 7 9 8 5 6 21 2 1 20 22 11 17 15 16 9 6 5 7 13 14 12 15 16 23 24...

Page 17: ...01 KIA7805API VOLTAGE REGULATOR A_12V CD_7V CD B B2 B3 B3 IC202 KIA7812API VOLTAGE REGULATOR 8 9 12 L R JK101 HEADPHONES FROM DISPLAY SECTION CNS202 FROM DISPLAY SECTION CNS102 FROM DISPLAY SECTION CNS901 FROM CD SECTION CNS204 M M101 FAN MOTOR FAN MOTOR DRIVER Q901 VOLTAGE REGULATOR VOLTAGE REGULATOR Q207 Q107 Q208 B5 B4 CD_ B MUTE SIGAL_LVL SP_RLY SP_DETECT FAN_START FAN_PRT CL CE DI L R L L R R...

Page 18: ...D RFVDD XL401 16 9344 MHz CD RES CL DI DO CE ROTATE UP_SW DOWN_SW OPEN_SW DISC NO _SW DISC 1_SW CLOSE_SW DRF VWRQ MGND VCC VCC IC402 LA6548D FOCUS TRACKING SPIN SLED DRIVER XIN XOUT RES VWRQ DO DI CL CE TIN2 F TIN1 E FIN2 B FIN1 A TDO FDO SPDO SLDO CONT5 CONT4 VDD5 LCHO 80 79 75 20 5 1 MUTE 2 30 VREF REG_IN REG_OUT 29 9 7 22 24 41 47 46 38 VVDD 77 10 VREF 11 9 8 7 6 25 21 20 14 15 26 5 11 10 11 8 ...

Page 19: ... 98 99 100 83 81 52 VF1 VF1 VF2 VF2 3 8V 3 8V 30V B3 B2 B3 5 6V B3 B3 D_GND IC701 IX0058SJ SYSTEM MICROCOMPUTER VFD701 FL DISPLAY RX701 REMOTE SENSOR KEY SW703 SW710 SW719 SW721 18 16 15 14 17 90 46 72 KEY1_IN CF2 CF1 KEY SW711 SW715 SW722 SW724 SW702 POWER ON STAND BY SW701 X BASS DEMO X702 8 MHz DISC_NO_SW DISC1_SW DISC_UP_SW CLOSE_SW ROTATE DISC_DOWN_SW OPEN_SW CD_CE CD_RES CD_DRF CD_WRQ T1_SOL...

Page 20: ...CH 1N4148 1 2 3 3 2 1 3 2 1 SVC348S UJ 3 8V 4 4V 0V 5 2V 5 2V 5 2V 1 5V 1 5V 0 8V FM FRONT END FILTER BAND PASS 9 3 FM IF FM IF FM FM RF 1 2 8 7 6 5 4 3 2 1 9P UJ 6P UJ AM GND FM 2 2K AM OSC AM TRACKING AM BAND COVERAGE fL FM OSC FM BAND COVERAGE fL FM MUTE LEVEL AM LOOP ANTENNA FM ANTENNA T302 C330 D302 D301 C302 C329 C337 C332 C331 T306 C335 C334 R323 VD301 R336 VR351 R351 R358 L35 CF C351 R316 ...

Page 21: ...AM RF AM FM PHASE PHASE IF OUT VCC FM DET STEREO SD GND AM IF IN REG AM MIX OUT OUT OUT OUT OUT IN IN CUT AM LOW FM AM MPX VCO MPX IN MO ST L CH R CH FM IF IN FM AFC AM OSC AM OSC CE DI CL DO MO ST IF REQ I F IN AM IN FM IN VDD AIN AOUT VSS X OUT X IN SD FM ST DO CL CE DI A_12V D_GND TUN_L TUN_R A_GND 3 FM IF FM IF AM IF 1 2 3 1 2 11 10 9 8 7 6 5 4 3 2 1 24 23 22 21 20 19 18 17 16 15 14 13 2 1 3 1...

Page 22: ...HERD 219 6 RECORD PLAYBACK HEAD 219 7 1 2 4 3 5 6 7 1 2 4 3 5 6 7 SOLENOID TAPE MOTOR INITIALIZE REC PHOTO INTERRUPTER 2 1 M 7 6 5 2 3 5 6 7 1 4 2 3 5 6 7 1 4 4 3 2 1 7 6 5 4 3 2 1 7 6 5 4 3 R T2 R T1 TAPE MECHANISM PWB H1 2 219 11 TAPE MECHANISM ASS Y 219 MAIN PWB A 2 3 TAPE 1 SOLENOID INITIALIZE PHOTO INTERRUPTER 2 3 5 6 7 1 4 TAPE MECHANISM PWB H1 2 219 11 CNP801 CNW801 R805 R809 Q801 R806 R810...

Page 23: ...15 16 17 18 19 20 21 22 23 24 ML ALC L NF RLI RLO PLO L NF L T2 L T1 H T2 L T1 13 14 15 16 20 18 12 17 19 M_GND TAPE L A_GND VCC_12V REC L REC R TAPE R M_12V µ_CON5V B B B B B 2 1 3 B 1 1 1 1 3 3 3 3 2 2 2 2 B B B T1_SOL T1_RUN_PLUS T2_RUN_PLUS T_MOTOR CH_SW BIAS TAPE_SW T2_SOL REC REC PLAY REF VCC R NF RRI RRO PRO R NF R T2 R T1 TO MAIN PWB 3 3 AMP SECTION P24 6 A 0 022 3 3 50 P28 1 C FROM DISPLA...

Page 24: ...N_L TUN_R D_GND A_12V CE DI CL DO FM ST A_GND1 B1 B1 B2 B B B B B B B B B B B B B B B B B B B B1 VCC_12V REC L REC R TAPE R TAPE L B1 B B B A_GND SD M_12V A_GND1 D_GND 1 50V A GND 5 6V CL DI DO 2 10 9 6 8 11 4 5 7 3 1 19 17 16 14 15 12 13 18 20 0 047 IN1 1 P28 1 E CNS202 FROM DISPLAY PWB P37 12 B CNP201 TO POWER PWB P27 11 C CNS204 FROM CD SERVO PWB P23 12 B TO MAIN PWB 1 3 TUNER SECTION P21 12 E ...

Page 25: ... 13 8 0 1 0 1 0 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 3 1 2 3 FAN MOTOR 1 2 STK40207 IN2 NF2 GND VCC PRE VE2 VE2 VCC VCC VE1 VE1 BIAS VCC PRE N C NF1 IN1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 12 11 10 9 8 7 6 5 4 3 2 24 13 14 15 16 17 18 19 20 21 22 23 220P 10µH 390 390 2 2µH CHASSIS GND CHASSIS GND 1 2 3 1N4148 1N4148 M HEADPHONES PWB B3 TERMINAL PWB B4 HEADPHONES 1 2 3 4 5 9 10 1 2 3 4 5 9 10 L OUT L ...

Page 26: ... D_GND PU IN SL SL SP SP PICKUP IN SLED MOTOR SPINDLE MOTOR VC C VR LD MD SHORT LAND VCC VC ADAVSS TDO UP DOWN LOADING M M MOTOR VCC VCC MUTE VREF VIN1 VIN4 VG1 VG4 VO1 VO4 VO4 VO1 GND GND GND GND GND GND VO2 VO2 VO3 VO3 VG2 VG3 VIN2 VIN3 REG_OUT REG_IN RESET CD 2 14 1 13 M 13 3 2 4 14 15 16 7 6 4 1 6 1 2 4 5 1 9 8 6 M M 7 6 5 4 8 9 12 5 6 1 3 5 7 10 2 3 5 15 3 3 3 16 1 2 12 2 4 10 11 11 CD SERVO ...

Page 27: ...DD RCHO RVSS LVSS LCHO SLCO SLCIST EFMIN RF RFVDD RSVSS FIN1 A FIN2 B TIN1 E TIN2 F VREF REF1 FE TEC TE RFMON JITTC ADAVDD ADAVSS TDO DATA DATACK LVDD LDD LDS FR VVDD PCKIST VVSS PD02 PD01 CONT2 CONT3 VSS VDD5 DRF VRES VWRQ DO DI CL CE ROTATE ROTATE CE CL DI DO VWRQ CD_RES DRF ROTATE DISC1_SW DISC NO_SW UP_SW L CH R CH AGND MGND DISC1_SW DGND DISC NO_SW DISC 1 DISC NO MOTOR CORE 7V CLOSE_SW DO DI ...

Page 28: ...GAL_LVL ROTATE CLOSE_SW DISC_UP_SW DISC1_SW DISC_NO_SW CD_WRQ CD_DRF CD_RES CD_CE REC SW P15 P16 P17 P18 P19 P20 DISC_DOWN_SW OPEN_SW OPEN_SW DISC_DOWN_SW SP_DETECT CD B DISPLAY PWB B2 FAN_PRT 7 8 5 3 6 4 2 5 3 6 4 2 4 2 3 5 1 7 2 4 6 1 5 8 2 4 7 3 6 8 4 2 7 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 99 100 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 79 80 78 77 76 75 74 73 72 71...

Page 29: ...ER SLEEP PRESET UP VOLUME UP VOLUME DOWN PRESET DOWN PLAY REPEAT TUNING TIME DOWN TUNING TIME UP DISC SKIP TAPE TUNER BAND CD OPEN CLOSE CLOCK STOP G9 P15 P16 P17 FAN_PRT 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 64 63 62 61 60 59 58 57 56 55 54 53 52 51 49 50 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 29 30 28 27 26 25 24 23 22 21 20 19 18 17 82K 82K 82...

Page 30: ... CNP301 BF301 D307 D305 Q302 C311 D302 D301 IC301 R301 L302 D306 T302 T304 L303 VD301 VD303 C330 R303 VD302 R307 C334 C332 CF303 T306 R336 C337 CNP102 CF302 Q306 T351 C362 CF352 C364 C352 IC303 R602 C367 CF351 C399 R603 R601 C368 C374 C372 R376 X351 C373 C371 R363 C396 R377 R395 C35 C35 L352 R384 R385 R392 R391 Q360 C398 C370 R382 R386 C378 D308 C386 C385 L353 VR351 X352 L351 R387 R309 IC302 C393 ...

Page 31: ...2 C847 L801 R861 R854 R852 R860 C834 C836 C845 C840 Q823 R863 C842 R866 R862 Q822 C843 IC801 R824 C844 R859 C849 C850 C837 C835 C841 C830 Q802 R817 C805 R858 C839 R855 R853 C828 Q810 C833 R850 R849 R816 R815 Q811 R833 Q819 R846 R856 R813 R845 R812 C826 R839 Q807 R843 Q808 C824 C818 R841 C810 C829 R831 Q801 C809 R830 R805 CNP802 R806 CNP801 R810 R829 R809 R832 Q803 C817 R840 Q813 Q814 C823 R838 R81...

Page 32: ...2 M402 238 3 SW403 238 5 SW404 238 6 SW402 238 4 Q4 C404 C401 C402 CNP401 FC401 NM802 NM801 SW1 Q408 1 1 1 1 16 16 16 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 1 15 1 16 UP DOWN LOADING MOTOR SPINDLE MOTOR ROTATE MOTOR DISC NO DISC 1 OPEN CLOSE SLED MOTOR PICKUP IN BK WH E C B C E 5 4 3 2 1 5 6 4 3 2 1 T T MOTOR PWB F SWITCH PWB G CD SERVO CD MECHANISM UNIT 238 1 CD PLAYER UNIT 238 CD PICKUP UNIT 1 2 3...

Page 33: ...0 Q404 C427 C408 C421 L401 R419 C406 Q409 C419 C411 C420 C417 R416 R415 L402 C410 IC402 C405 R418 R427 R425 R423 Q411 CNW402 C404 C401 C402 CNP401 FC401 Q408 CNS204 CNS205 CNS402 CNS403 1 1 1 16 16 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 1 80 21 20 5 10 15 25 30 35 45 50 55 60 61 65 70 75 40 41 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 1 WH YL YL YL YL YL RD BK ...

Page 34: ...05 R753E C712 R753G SW722 R753F Q702 R761 R736 R737 R738 D704 R739 D703 R763 X702 L701 C706 R745 R747 L702 R746 D706 SW720 CNW901 SW719 R765 SW701 D701 R751 R760 C710 L703 R725 C705 RX701 C709 L704 VFD701 CNS901 REMOTE SENSOR DISPLAY 1 1 6 RD WH WH WH WH 2 3 4 5 TO POWER PWB P37 7 G CNP901 90 70 85 75 60 40 65 55 45 30 25 15 20 10 5 31 35 5051 FL DISPLAY 95 100 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1...

Page 35: ...52B R752C Q704 R752D R777 R778 R790 R775 ZD701 R776 R753A R752A R753I Q703 0 VFD701 R797 R713 R714 R716 LED701 R709 R712 R702 R744 R707 R703 R705 R706 R704 R701 CNW102 CNW803 R755 R754 R756 R757 R758 R759 CNS102 CNS202 R779 DISPLAY PWB B2 1 BL 1 1 11 1 8 12 WH WH WH WH WH WH WH WH WH WH 2 3 4 5 6 7 8 9 10 11 TO CD SERVO PWB P33 9 B CNP405 1 YL BK BK BK BK BK BK BK BK BK 2 3 4 5 6 7 8 9 10 TO MAIN ...

Page 36: ...1 TAPE 2 7 6 5 4 3 2 1 TAPE MECHANISM ASS Y 219 RECORD PLAYBACK HEAD 219 7 ERASE HEAD 219 6 WH BK GR 7 6 5 4 3 2 1 GR RD WH BK P31 10 A TO MAIN PWB CNP802 CNS804 P31 8 H FROM MAIN PWB TAPE MOTOR WH RD OR YL SOLENOID REC INITIALIZE PHOTO INTERRUPTER RD OR YL PHOTO INTERRUPTER WH BK BK WH RD BK GR BK 7 6 5 4 3 2 1 TAPE MECHANISM PWB H1 2 219 11 TAPE MECHANISM PWB H1 2 219 11 PLAYBACK HEAD 219 7 1 2 ...

Page 37: ...N6A2M 1N6A2M 1N6A2M 100 50 47K 330 35 1N4004 10 330 DGND 0 1 0 1 5 6V DGND B2 AGND B1 B1 TRANSFORMER POWER VF2 1 6A 125V VF1 0 1 0 1 5A 125V 5A 125V 3 8V 3 8V 30V DGND 5 6V 1 B C E 2 3 4 5 7 6 5 4 3 2 1 POWERE PWB B1 POWERE PWB B1 FROM DISPLAY PWB P34 1 D CNS901 FROM MAIN PWB P31 10 H CNS201 5A 125V 5A 125V 1 6A 125V POWER TRANSFORMER AC INLET AC 120 V 60 Hz AC INLET AC 120 V 60 Hz AC 120 V 60 Hz ...

Page 38: ...IN NO VOLTAGE Q819 1 2 3 PIN NO VOLTAGE Q820 1 2 3 PIN NO VOLTAGE Q821 1 2 3 PIN NO VOLTAGE Q822 1 2 3 PIN NO VOLTAGE Q823 1 2 3 PIN NO VOLTAGE Q901 51 52 53 54 55 56 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 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 1 45V 0V 0 02V 33V 33V 0V 0V 33V 33V 0V 0V 33V 0V 0V 0V 19V 0 65V 5 61V 7 1V 1 6V 0V 1 6V 3V 3V 0V 0...

Page 39: ...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 IC401 21 6 IC401 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 M...

Page 40: ...Lens cleaner disc UDSKA0004AFZZ TROUBLESHOOTING When the CD does not function The CD section may not operate when the objective lens of the optical pickup is dirty 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 Track skipping and...

Page 41: ...servo activated Waveform drawing Figure 41 2 Pins 7 11 79 and 80 on IC401 Check the laser diode driver Q409 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 41 3 Check the spin system If the disc is spinning and a HF waveform is generated DRF will go H Figure 41 1 Check the laser...

Page 42: ... Check the peripheral circuits at pins 14 15 and 20 on IC401 and FC401 If the waveform shown in Figure 42 1 appears and soon after NO DISC appears 2 Tracking system check Check the TE waveform at pin 15 on IC401 A normal jump operation cannot be completed or the beginning of the track cannot be found Check the around pin 20 on IC401 Initialization is possible but play is not possible Data cannot b...

Page 43: ...f 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 IC401 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 44: ... General 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 out...

Page 45: ...ort This port 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 3 71 CONT2 Input Output Input General purpose port 2 72 CONT1 Input Output Input General purpose port 1 73 PDO1 Output Internal VCO control phase ...

Page 46: ...VDD RCHO RVSS LVSS LCHO LVDD LC78646E MIX LPF LPF LPF TBAL TBAL RAM LEVEL SET EQ SW PH BH MNI 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 EFM DECODE VDD5V SUBCODE DECODE CRC MONITOR SIGN...

Page 47: ...onnection pin and bass treble output pin 5 LBASS Bass band filter comprisingcapacitor and resistor connection pin 6 LTRE Treble band filter comprising capacitor and resistor connection pin 7 LIN Volume equaliser output pin 8 LSEL0 Input selector output pin 9 12 L4 1 Input signal pin Terminal Name Pin No Function 13 16 R1 4 Input signal pin 17 RSEL0 Input selector output pin 18 RIN Volume equaliser...

Page 48: ...t Open 25 P87 RDS_VSM Input Output Open 26 P70 SYS_STOP Input System stop input 27 P71 X BASS DEMO Input Key input 28 P72 POWER_KEY Input Key input 29 P73 IRQ Input Remocon input 30 38 S0 T0 S8 T8 G9 G1 Output FL VFD segment driver 39 45 S9 T9 S15 T15 NO USE Input Output Open 46 VDD3 VDD3 Power supply 47 50 S16 S19 P1 P4 Output FL VFD segment driver 51 FIX0 GND Connect to GND 52 67 S20 S35 P5 P20 ...

Page 49: ...1 T1 S48 PG0 S49 PG1 S50 PG2 S51 PG3 P00 P01 P02 P03 V SS2 VD D2 P04 P05 P06 P07 P10 SO0 P11 SI0 SB0 P12 SCK 0 P13 SO1 P14 SI1 SB1 P15 SCK 1 P1 6 T1P WM L P1 7 T1P WM H B U Z P3 0 IN T 4 T1 I N P3 1 IN T 4 T1 I N P3 2 IN T 4 T1 I N P3 3 IN T 4 T1 I N P3 4 IN T 5 T1 I N P3 5 IN T 5 T1 I N P3 6 IN T 5 T1 I N P3 7 IN T 5 T1 I N R E S X T 1 A N 10 X T 2 A N 11 V S S 1 C F1 C F2 V D D 1 P8 0 AN 0 P8 1 ...

Page 50: ...a GRID ASSIGNMENT P1 1G 1a 1b 1c 2a 2b 2c 3a 3b 3c a k b j h f m d g p e n r c a k b j h f m d g p e n r c a k b j h f m d g p e n r c a k b j h f m d g p e n r c a k b j h f m d g p e n r c a k b j h f m d g p e n r c a k b j h f m d g p e n r c a white Rsh o k b j h f m d g p e n r c col Dp small dot 2G 3G 4G 5G 6G 7G 8G 9G 10G P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 ANODE CO...

Page 51: ...SCRIPTION MARK SPARE PARTS DELIVERY SECTION For U S A only Contact your nearest SHARP Parts Distributor to order For location of SHARP Parts Distributor Please call Toll Free 1 800 BE SHARP Explanation of capacitors resistors parts codes Capacitors VCC Ceramic type VCK Ceramic type VCT Semiconductor type VC MF Cylindrical type without lead wire VC MN Cylindrical type without lead wire VC TV Square...

Page 52: ...n 1N4148 D104 VHD1N4004 1 J AB Silicon 1N4004 D201 205 VHD1N4004 1 J AB Silicon 1N4004 D207 VHD1N4004 1 J AB Silicon 1N4004 D210 VHD1N4004 1 J AB Silicon 1N4004 D301 302 VHD1N4148 1 J AA Silicon 1N4148 D305 308 VHD1N4148 1 J AA Silicon 1N4148 D401 402 VHD1N4004 1 J AB Silicon 1N4004 D405 VHD1N4004 1 J AB Silicon 1N4004 D604 605 VHD1N4148 1 J AA Silicon 1N4148 D701 VHD1N4004 1 J AB Silicon 1N4004 D...

Page 53: ...100 µF 10V Electrolytic C412 VCKYCY1EF104Z J AA 0 1 µF 25V C414 VCKYCY1EF473Z J AB 0 047 µF 25V C415 VCKYCY1EF104Z J AA 0 1 µF 25V C416 VCCSCY1HL101J J AA 100 pF 50V C417 RC GZA107AF1A J AB 100 µF 10V Electrolytic C418 VCCSCY1HL470J J AA 47 pF 50V C419 RC GZA106AF1H J AB 10 µF 50V Electrolytic C420 RC GZA105AF1H J AB 1 µF 50V Electrolytic C421 RC GZA107AF1A J AB 100 µF 10V Electrolytic C422 VCKYCY...

Page 54: ...1JB332J J AA 3 3 kohms 1 16W R365 VRS CY1JB103J J AA 10 kohm 1 16W R366 VRS CY1JB222J J AA 2 2 kohms 1 16W R371 374 VRS CY1JB102J J AA 1 kohm 1 16W R376 VRD ST2CD103J J AA 10 kohm 1 6W R377 VRD ST2CD562J J AA 5 6 kohms 1 6W R379 VRS CY1JB222J J AA 2 2 kohms 1 16W R380 VRD ST2CD152J J AA 1 5 kohms 1 6W R381 VRS CY1JB103J J AA 10 kohm 1 16W R382 VRD ST2EE331J J AA 330 ohms 1 4W R383 VRS CY1JB562J J ...

Page 55: ...3J J AA 56 kohms 1 6W R822 823 VRD ST2CD152J J AA 1 5 kohms 1 6W R824 828 VRD ST2CD103J J AA 10 kohm 1 6W R829 832 VRD ST2CD102J J AA 1 kohm 1 6W R833 834 VRD ST2CD103J J AA 10 kohm 1 6W R835 VRD ST2CD152J J AA 1 5 kohms 1 6W R836 837 VRS CY1JB470J J AA 47 ohms 1 16W R838 839 VRD ST2CD104J J AA 100 kohm 1 6W R840 841 VRD ST2CD392J J AA 3 9 kohms 1 6W R842 843 VRD ST2CD333J J AA 33 kohms 1 6W R844 ...

Page 56: ...s y 204 1 LANGK0055SJFW J Bracket Fan Motor 204 2 MSPRK0001SJFJ J AC Spring Ring 204 3 NFANP0001SJSA J AG Rotary Fan 204 4 M101 RMOTV0409AFZZ J AL Motor Air Cooling Fan 205 GCAB 1002SJSA J AP Top Cabinet CD E44 55 205 GCAB 1002SJSB J AP Top Cabinet CD E500 206 GCOVA1030SJSA J AG Cover CD Tray 207 GCOVA1031SJSA J AF Cover Cassette Left 208 GCOVA1032SJSA J AF Cover Cassette Right 209 GCOVA1033SJSA J...

Page 57: ...Polyethylene Bag Unit TLABR1298SJZZ J Label Bar Code CD E55 TLABR1299SJZZ J Label Bar Code CD E500 TLABS0046SJZZ J AB Label CUL CD E500 E55 TLABZ0106SJZZ J Label Feature Tape 1 TLABZ0111SJZZ J Label Feature Tape 2 ACCESSORIES 1 QACCU0003SJ00 J AH AC Power Supply Cord QANTL0004SJZZ J AG AM Loop FM Antenna TINSE0118SJZZ J AE Operation Manual CD E44 TINSE0123SJZZ J AE Operation Manual CD E500 E55 For...

Page 58: ... 602x2 615x2 615x2 233 234 614x4 611x4 614x4 608x4 608x2 609x3 205 219 238 219 1 219 2 219 3 219 4 219 5 219 6 219 11 219 7 219 8 219 9 219 10 238 1 238 2 238 3 238 4 238 5 238 6 601 613 227 610 610 212 610 610 606x2 606 606 606 606 203 2 204 3 204 2 204 1 204 4 203 1 203 220 213 218 228 214 217 216 201 2 201 1 201 8x2 201 225 226 201 5 201 2 201 3 201 4 201 6 201 7 215 601 229 232 221 222 231 230...

Page 59: ... R A B B A Polyethylene Bag Unit B3CPCDE500U CD E500 B3CPCDE55U CD E55 B3CPCDE44U CD E44 Polyethylene Bag Accessories CD E500 CD E55 CD E44 Packing Case CD E500 CD E55 CD E44 Label Bar Code Packing Add Right Packing Add Left Label Feature Tape2 Label UL Label Feature Tape1 SSAKH0021SJZZ SPAKA0134SJZZ SPAKA0135SJZZ TLABZ0111SJZZ TLABS0045SJZZ TLABZ0106SJZZ SSAKA0014SJZZ SPAKC0282SJZZ SPAKC0274SJZZ ...

Page 60: ... stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher A0303 1459SS HA C SC SL SHARP CORPORATION AV Systems Group Audio Systems Division Higashihiroshima Hiroshima 739 0192 Japan Printed in Japan ...

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