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DV-550U

S38O3DV-550U/

DVD VIDEO PLAYER

SERVICE MANUAL

DV-550U

In the interests of user-safety (Required by safety regula-

tions in some countries) the set should be restored to its

original condition and only parts identical to those specified

be used.

MODEL

V I D E O

NTSC

Page

1. IMPORTANT SAFEGUARDS AND PRECAUTIONS ......................................................................1-1
2. FEATURES/3. SPECIFICATIONS .................................................................................................. 2-1
4. PART NAMES ................................................................................................................................. 4-1
5. MAINTENANCE CHECK ITEMS AND EXECUTION TIME ............................................................ 5-1
6. DISASSEMBLY AND REPLACEMENT OF MAIN PARTS ............................................................. 6-1
7. EXPLANATION OF MECHANISM .................................................................................................. 7-1
8. OPERATION OF PICKUP ............................................................................................................... 8-1
9. TEST MODE ................................................................................................................................... 9-1

10. EXPLANATION OF OPERATION AT THE SYSTEM START ...................................................... 10-1
11. TROUBLESHOOTING .................................................................................................................. 11-1
12. IC FUNCTION LIST ....................................................................................................................... 12-1
13. SEMICONDUCTOR LEAD IDENTIFICATION .............................................................................. 13-1
14. BLOCK DIAGRAM ........................................................................................................................ 14-1
15. WIRING DIAGRAM ....................................................................................................................... 15-1
16. SCHEMATIC DIAGRAMS ............................................................................................................. 16-1
17. PRINTED WIRING BOARD ASSEMBLIES ................................................................................... 17-1
18. REPLACEMENT PARTS LIST ...................................................................................................... 18-1
19. PACKING OF THE SET ................................................................................................................ 19-1

CONTENTS

SERVICE MANUAL

DVD VIDEO PLAYER

MODEL DV-550U

ON

DIGITAL
GAMMA

DIGITAL

S PICTURE

POWER

OFF

IN

MAX

LEVEL

PHONES

COMPACT

D I G I T A L

DOLBY

DIGITAL VIDEO

DVD / VIDEO CD / CD

This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

SHARP CORPORATION

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Содержание DV-550U

Страница 1: ...CHANISM 7 1 8 OPERATION OF PICKUP 8 1 9 TEST MODE 9 1 10 EXPLANATION OF OPERATION AT THE SYSTEM START 10 1 11 TROUBLESHOOTING 11 1 12 IC FUNCTION LIST 12 1 13 SEMICONDUCTOR LEAD IDENTIFICATION 13 1 14 BLOCK DIAGRAM 14 1 15 WIRING DIAGRAM 15 1 16 SCHEMATIC DIAGRAMS 16 1 17 PRINTED WIRING BOARD ASSEMBLIES 17 1 18 REPLACEMENT PARTS LIST 18 1 19 PACKING OF THE SET 19 1 CONTENTS SERVICE MANUAL DVD VIDE...

Страница 2: ...he resistor See Diagram Move the resistor connection to earth exposed metal part having a return path to the chassis antenna metal cabinet screw heads knobs and control shafts SSVM AC SCALE 1 5k ohms 10W CONNECT TO KNOWN EARTH GROUND TO EXPOSED METAL PARTS 0 15 µF TEST PROBE etc and measure the AC voltage drop across the resistor Reverse the AC plug on the set and repeat AC voltage measurements fo...

Страница 3: ...nical chassi assembly CAUTION LASER RADIATION WHEN OPEN THE CLAMPER TOP PLATE AVOID LONG TERM VIEWING OF DIRECT LASER BEAM USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF PRODUCTS OTHER THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE See the caution label on the clamper top plate as below when open the cabinet Elamper top plate CAUTION LASER RADIATION WHEN OPEN AVOID LONG TERM VI...

Страница 4: ... jack Video signal horizontal resolution 500 lines S N ratio 60 dB Audio signal frequency characteristics For DVD linear PCM playback 4Hz to 22 kHz 48 kHz sampling 4Hz to 44 kHz 96 kHz sampling CD playback 4Hz to 20 kHz EIAJ S N ratio CD 96dB 1kHz EIAJ Dynamic range DVD linear PCM 94 dB EIAJ CD 96 dB EIAJ Overall harmonic distortion ratio CD 0 005 EIAJ Pickup wave length 650mm Laser ouput Max 0 7m...

Страница 5: ...DV 550U 4 1 For details on the use of each control 4 PART NAMES 14 Remote Sensor ...

Страница 6: ...DV 550U 4 2 ...

Страница 7: ...asily damaged by electrostatic charges When handling the pickup take care so that the electrostatic charge is not generated 3 The semiconductor laser may be easily damaged by overcurrent Use the power supply unit which does not give any spike current when the power is turned on and off 4 Carefully remove the dust and dirt from the objective lens with the lens blower When handling the objective len...

Страница 8: ...crews M and one screw N which install the terminal block 11 Remove two screws P of the display PWB 12 Remove two screws Q of the decorative leg 13 Push out the middle pin R of the setting leg in the direction opposite to insertion Two places 14 Remove two screws S which install the main PWB under the mechanical unit 15 Remove two screws T which install the volume PWB of the front panel 16 Remove t...

Страница 9: ...d assembling the mechanism chassis 1 Remove the pickup FPC and loading relay FFC A from the main PWB Note Fit the conductive rubber cap to the front end of pickup FPC short circuit 2 Remove the solder joint of loading relay PWB at drive unit rear side 1 Sled motor lead wire Yellow Orange 2 IN SW lead wire 2 Brown 3 Spindle motor lead wire Red Black 4 Loading motor lead wire Red Black 5 Remove each...

Страница 10: ... Motor Timing belt S Relay gear1 Relay gear2 Tray pinion A B E C D G F Insulator Insulator Insulator Insulator Mechanism chassis P tight screw with M2 6 washer C B A B C 6 Disassembling the mechanism chassis from the moving chassis 1 Remove the M2 6 screw A 2 Remove the insulator B 2 pcs at the right side in diagram parallel in the arrow direction At this time it is better to insert the fine head ...

Страница 11: ...is replaced in the state while the worm F is kept press fitted to the output shaft Note When installing the motor take care so that the worm does not damage the ANG B hole 4 Screw in the thurust holding screw C adjust the worm front end clearance to 0 to 0 1 mm and apply screw lock Thurust holding screw Apply screw lock M1 4 screw M1 7 screw Motor Angle B A D Worm F Sled motor E C 9 Replacing the ...

Страница 12: ...rned on and the tray loading motor stops When the tray closes the operation is as follows If the tray OPEN CLOSE button or tray is pressed and the detection switch is turned off the tray loading motor rotates clockwise so that the tray is retracted When the detection switch is turned on again the tray loading motor stops Intermediate gear 2 Intermediate gear 1 Tray pinion Pawl linked with the groo...

Страница 13: ...3 POLARITIES OF SIGNAL 8 4 SIGNALS OF PICKUP 8 4 1 Tracking drive signal TR TR The signal drives the tracking servo mechanism which projects the beam on the track by moving the objective lens OL to the outer or inner circumference at a right angle against the track of the disk Since an eccentricity error of 25 µmP P is generated due to the eccentricity of 100 µmP P of the DVD disk when the disk is...

Страница 14: ...ent of the monitor diode increases On the contrary the drive current of the laser diode is increased if the backward current of the monitor diode decreases As the projection light of the laser diode becomes stronger the backward current of the monitor diode increases to increase the current which flows into the monitor diode output PD Then the emitter current of Q309 decreases to drop the voltage ...

Страница 15: ...st0 F0h key Test1 F1h key OSD Adjustment value display OSD Adjustment value display AdjDisplay Power Off Initial resetting CDOpe Note For test mode input F0h S PICTURE Stop F1h S PICTURE SKIP The keys of main body are doubly pressed Memory Test Mode Program version indicaiton Video Test Mode Ordinary test pattern indication and copy guard signal added test pattern indication are given Mecha Test M...

Страница 16: ...Test Model number Program version Region code microcode version Model Number display Model Number Play Key Region code display Region code Play Key Microcode version display Microcode Ver Play Key Program Version display Program version Play Key Servo version display Servo Ver Play Key ErrDisplay0 ErrDisplay1 10000001 ErrDisplay0 ErrDisplay1 10000002 ErrDisplay0 ErrDisplay1 10000004 ErrDisplay0 Er...

Страница 17: ...lay key Play key Play key Test0 Key 3 Copy guard AGC Color stripe 1 20000003 00000000 4 Copy guard AGC Color stripe 2 20000003 00000000 Transition of test mode status 2 Video Test In Video Test mode the color bar test pattern is first displayed and output and the display data mode is changed every entry of PLAY key as shown in the right Here it returns to Sys Test if any Test 0 F0h key is input in...

Страница 18: ... Open Close Key or hand push Wait Tray Load ErrDisplay0 ErrDisplay1 30000002 00000000 ErrDisplay0 ErrDisplay1 3000E002 EEEEEEEE Tray Load Err Test0 Key Wait SRV Play Test Continuous replay jump test mode 1 or 2 or 3 Key Wait SRV Step Test Step execution mode Laser Test Laser Test mode 1 2 3 1 Key Wait Refer to the step test mode Refer to the jump test mode ErrDisplay0 ErrDisplay1 DD000100 00000000...

Страница 19: ...justed for a certain time the just focus is adjusted After end RF gain adjustment is started again DDT step 4 operation Focus gain is adjusted DDT step 5 operation Track gain is adjusted DDT step 6 operation On the 2 layer disc the just focus adjustment and focus gain adjustment of layer 1 are done On CD interrupt of SUB Q is allowed TOC is read set and mute is turned off for error for error for e...

Страница 20: ...key is input and number of TR jumps is specified as follows Next replay Layer Jump Here key allocation may be changed Layer jump operation is not compensated except during 2 layer DVD test Key Name 1 4 7 Clear 2 5 8 Skip Code 01h 04h 07h 1Fh 02h 05h 08h 2Dh Jump Number of TRs 1 9 109 399 999 1000 6300 14000 Key Name 3 6 9 Memory Repeat A B Program Skip Code 02h 06h 09h 1Ch 35h 36h 1Eh 2Eh Jump Num...

Страница 21: ... step test mode the servo adjustment value reading out mode is selected PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY PLAY If the servo adjustment value reading out mode is selected disc is stopped PLAY Argument of AdjDisplay is char 0 CD 1 DVD PLAY 2 Focus offset value display F1000002 3 Track offset value display F1000003 4 0 layer focus balance value display F1000004 5 1 layer focus balance value dis...

Страница 22: ...Oh key 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 1 1 2 0 layer focus gain 2 3 4 1 layer focus gain 3 5 6 0 layer focus gain 4 7 8 1 layer focus gain 5 9 10 Track offset 6 11 12 Track gain 7 13 14 Track balance 8 15 16 RF gain 9 17 18 19 20 21 Error rate average value 10 22 23 24 25 26 Error rate maximum value Hexadecimal data from 1 to 8 Decimal data for 9 and 10 ...

Страница 23: ...HART NO 4 POWER TROUBLESHOOTING 4 In case of output voltage at low level No Check the D9014 Q9006 and Q9009 Replace D9014 Q9006 and Q9009 Yes No Check D9020 Replace D9020 No Check short circuit or leak of T901 Replace T9001 Yes Check primary circuit Q9007 Q9010 C9023 C9024 C9027 D9011 and D9014 FLOW CHART NO 5 DISPLAY TROUBLESHOOTING The fluorescent display tube fails light up No Is the supply vol...

Страница 24: ...ed Is 0 6V fed to pin 95 of IC504 No Check lines between at AD connector and TB connector Yes No Is the signal input from Pins 70 69 of IC504 to Pins 2 4 of IC701 Check between IC701 and IC504 Yes Check AT 8V line No No Is the loading motor drive voltage output from Pins 9 7 of IC701 Is 8V voltage applied to Pins 3 8 of IC701 Yes Yes Replace IC701 No Is the loading motor drive voltage applied to P...

Страница 25: ...ied to the emitter of Q301 Check PC line Yes No Is applied to the collector of Q303 Check a L level at base of Q303 Q307 Yes Replace Q307 No Yes Is 2 3V applied to the collector of Q307 Is 2 9V applied to the base of Q307 Yes No Check between base of Q307 and all the way up thru to pin 52 of IC303 Is 3 3V and 2 3V applied to the pins 11 and 9 of AB connector No Check between Q303 and Q307 and all ...

Страница 26: ...s Check IC6001 IC6002 and IC6003 Does pickup move up and down Is FE signal output from IC707 pin 38 Check the line between IC303 pin 27 and IC707 pin 38 No No No No No No Is FE signal measured from IC303 pin 27 Is FE signal output from IC707 pin 43 Check the line between IC303 pin 27 and IC707 pin 38 Is signal measured from IC303 pins 57 58 59 and 60 Is FE signal output from IC707 pin 43 Replace I...

Страница 27: ...set must be low Yes Check pins 53 56 59 68 and 71 78 for data Yes Replace IC402 No Check pins 79 82 and 85 88 for data Yes Check for open condition to IC601 Yes NO DVD VIDEO3 AND AUDIO BUT CD AUDIO OK Chenge IC601 No Yes Check pin 48 of IC402 for RF signal No Replace IC303 No Check multiple Vcc supply pins Yes Check pin 114 of IC601 for data Replace IC707 Replace IC602 No No Bad Check IC602 Replac...

Страница 28: ...ion input 1 11 VCC1 Power terminal 5 0V 12 GAINsel2 I Amp gain selection input 2 13 FOUT O RF signal output Input RF signal is current voltage converted and output 14 EOUT O RF signal output Input RF signal is current voltage converted and output 15 DOUT O RF signal output Input RF signal is current voltage converted and output 16 COUT O RF signal output Input RF signal is current voltage converte...

Страница 29: ...version 8 DIN I 4 division detector D input 9 Psel I Phase difference signal offset compensation correction polarity selection input 80k Ω pull up 10 PDFIL1 O Phase difference current voltage conversion time constant setting external capacity 11 PDFIL2 O Phase difference current voltage conversion time constant setting external capacity 12 D_VCC Power 5V 13 D_GND Ground 14 DPDTE O Tracking error s...

Страница 30: ...nce voltage output 21 TEOUT O TE output after DPD 3B selection 22 NC 23 PRE FIL O RF prefilter output 24 NC 25 DVDGD I DVD EQ group delay characteristics control input 26 FEIN I Focus error FE signal output amp reverse input 27 FEOUT O FE output 28 FWR FIL O Filter external capacity to DVD WV detection signal 29 RFcen O Amplitude center voltage output of RF ripple signal 30 RFRPOUT O RF ripple sig...

Страница 31: ...SI internal signal monitor terminal DSP internal flag and PLL system clock can be monitored with microcomputer command 18 VDD Digital power terminal 12 4 Pin No Terminal name I O Operation function 45 EQIN I DVD CD EQ input 46 EQOUT O Output after passing of RFNIN and RFPIN VCA 47 DVDsel I DVD CD selection control input H CD L DVD PNP open space 48 RFGain I RF signal VCA control input 49 VCC3 RF s...

Страница 32: ...I I RFRP zero cross input terminal 37 RFRP I RF ripple signal input terminal 38 FEI I Focus error signal input terminal 39 SBAD I Sub beam addition signal input terminal 40 TSIN I Test input terminal To be fixed usually to Vref 41 TEI I Tracking error signal input terminal Fetching when tracking servo is ON 42 TEZI I Tracking error zero cross input terminal 43 FOO O Focus equalizer output terminal...

Страница 33: ...rcuit input terminal 70 PXO DSP system clock oscillation circuit output terminal 71 VDD Digital power terminal 72 XVSS Ground terminal for system clock oscillation circuit 73 XI System clock oscillation circuit input terminal 74 XO System clock oscillation circuit output terminal 75 XVDD Positive power terminal for system clock oscillation circuit 76 DVDD D A converting section power terminal 77 R...

Страница 34: ...nal Pull up resistor built in 95 RST I Reset signal input terminal Pull up resistor Reset state L built in 96 TEST0 I Test terminal Pull up resistor To be opened usually built in 97 HSO O Playback speed mode flag output terminal 98 UHSO O 99 EMPH O Subcode Q data emphasis flag output terminal Emphasis ON H OFF L Output polarity can be inverted by the command 100 LRCK O Channel clock 44 1 kHz outpu...

Страница 35: ...BOK CLCK 9 10 11 12 VDD VSS DATA 13 SBSY 14 SPCK 15 SPDA 16 COFS 17 MONIT 18 VDD 19 TESIO0 20 P2VREF 21 SPDO 22 PDOS 23 PDO 24 TMAXS 25 TMAX SFSY DOUT 75 74 73 72 XVDD XO XI 71 70 69 68 VDD PXO PXI VSS 67 66 65 64 TESIO1 TESIN DACT 63 DMOUT 62 IO3 61 IO2 60 IO1 59 IO0 58 VSS 57 VDD 56 FLGD 55 FLGC 54 FLGB 53 FLGA 52 SEL 51 2VREF CKSE XVSS LPF 1Bit DAC ROM RAM 1Gk RAM PWM D A A D CLV servo PWM VCO ...

Страница 36: ...23 CH2 IN CH2 Input terminal for gain adjustment 10 CH5 OUT Tray negative output terminal 24 CH3 IN CH3 Input terminal 11 COM OUT Tray positive output terminal CH4 25 CH3 IN CH3 Input terminal for gain adjustment negative output terminal 12 CH4 OUT CH4 Positive output terminal 26 VREF IN Bias amp input terminal 13 CH3 OUT CH3 Positive output terminal 27 OPIN Operational amplifier nonreverse input ...

Страница 37: ...he RP pin is set to Low When power is turned on or off or in RP Input case of fluctuation it is kept at Low so as to protect data from noise When RP is in Low state the device is in deep power down state 480 ns is required to recover from the deep power down state If the RP pin becomes Low the whole chip operation is interrupted and reset After recovery the device is set to array read state OE Inp...

Страница 38: ...38 37 36 35 34 33 32 31 30 29 28 27 26 25 2LE 2D8 2D7 GND 2D6 2D5 2D4 2D3 2D2 2D1 1D8 1D7 1D6 1D5 1D4 1D3 1D2 1D1 1LE GND GND GND Vcc Vcc G Q D G Q D G Q D G Q D G Q D G Q D G Q D G Q D G Q D G Q D G Q D G Q D G Q D G Q D G Q D G Q D 12 11 12 6 1 Block Diagram ID Register CSR ESRs DQ8 15 DQ0 7 OUTPUT MULTIPLEXER Program Erase Voltage Switch BYTE CUI WSM 16 KBYTE Block 31 16 KBYTE Block 30 16 KBYTE...

Страница 39: ...t of the number of set bytes to transfer end the terminal varies in 3 states HTYPE L It works as HACK acknowledge output terminal for connection to 32 HACK 3 S O Motorola type microcomputer HWAIT HTYPE H It can be used as the weight terminal for connection to the general pur pose microcomputer For 3 state output connect the pull up resistor Interrupt request If interrupt status register is read in...

Страница 40: ...minal to input error signal to CD DSP When 16 bit bus width is selected HWID low It works as the microcomputer data bus of 11th bit When 8 bit bus width is selected HWID high It works as the terminal to output the subcode reading clock to the subcode interface of CD DSP When 16 bit bus width is selected HWID low It works as the microcomputer data bus of 10th bit When 8 bit bus width is selected HW...

Страница 41: ... For OSDPLT low pallet table 0 is used For OSDPLT high pallet table 1 is used Video8 register 0 Color difference signal output terminal of 3th bit Video8 register 1 It works as the OSD pallet data input terminal of 3rd bit Video8 register 0 Color difference signal output terminal of 2th bit Video8 register 1 It works as the OSD pallet data input terminal of 2rd bit Video8 register 0 Color differen...

Страница 42: ...ideo slave mode Video synchronizing signal and video clock are re ceived from the external Video output enable input terminal VDEN H Y 7 0 and C 7 0 terminals are made to be disable 3 state VDEN L Y 7 0 and C 7 0 terminals are made to be enable Note C 7 0 terminal is the multiplexed terminal as OSDPLT 3 0 and so on For Video8 register 0 VDEN terminal is valid for Y 7 0 alone Composite blank output...

Страница 43: ... O O 59 RAMCAS O O 60 RAMWE O O 61 RAMDQM O O 62 64 67 69 72 RAMDAT 15 0 3 S I O 74 79 82 Pin No Pin name Type Direction Function Address bus output for SDRAM connection Tip select output for SDRAM connection Tip select output terminal for SDRAM connection It is connected to 2nd SDRAM RAS output terminal for SDRAM connection Clock output terminal for SDRAM connection CAS output terminal for SDRAM ...

Страница 44: ...er Pin No Pin name Type Direction Function Ground terminal 3 3V power input terminal Test terminal Pull it down to GND Test terminal Pull it up to VDD Power down terminal When it is low current consumption becomes minimum with all functions of the device stopped Power down mode To return it to normal state set the terminal at high Then reset the device with RESET terminal Ground terminal for inter...

Страница 45: ...A2 P17 PO15 TIOCB2 TCLKD P20 PO0 TIOCA3 P21 PO1 TIOCB3 P22 PO2 TIOCC3 P23 PO3 TIOCD3 P24 PO4 TIOCA4 P25 PO5 TIOCB4 P26 PO6 TIOCA5 P27 PO7 TIOCB5 P47 AN7 DA1 P46 AN6 DA0 P45 AN5 P44 AN4 P43 AN3 P42 AN2 P41 AN1 P40 AN0 Vref AVcc AVss PA 5 A 21 IRQ5 PA 4 A 20 IRQ4 PA 3 A 19 PA 2 A 18 PA 1 A 17 PA 0 A 16 PB 7 A 15 PB 6 A 14 PB 5 A 13 PB 4 A 12 PB 3 A 11 PB 2 A 10 PB 1 A 9 PB 0 A 8 PC 7 A 7 PC 6 A 6 PC...

Страница 46: ...al 14 BCKIN I Audio data Bit clock input terminal 2 15 DIN I Audio data Data input terminal 2 16 LRCIN I Audio data Reference sampling clock input terminal 2 17 TEST Connect to GND 18 NC Not connected Be sure to open 19 VDD Digital power terminal 20 DGND Digital GND terminal 1 Internal pull up provided Schmidt trigger input 2 Schmidt trigger input 12 10 2 Block Diagram BCKIN LRCIN DIN ML MC MD RST...

Страница 47: ...tor built in 5 DVSS Digital power 0V For logic cell 6 DVDD2 Digital power 3 3V For logic cell 7 N C User use prohibited Open 8 HDWT I MPU write signal TTL level 9 HDRD I MPU read signal TTL level 10 HCEN I MPU chip selection TTL level 11 HD0 I O MPU data bus TTL level 12 HD1 I O MPU data bus TTL level 13 HD2 I O MPU data bus TTL level 14 HD3 I O MPU data bus TTL level 15 HD4 I O MPU data bus TTL l...

Страница 48: ...apacitor connection 47 RVDD Exclusive use power terminal 3 3V 48 RFIN I RF signal input 49 RVSS Exclusive use power terminal 0V 50 RVR1 1nd reference voltage For capacitor connection 51 DVR I DMO reference potential 1 65V recommended 52 DMO O Disc equalizer output for DVD Triple value PWM HiZ 53 RASN O External RAM row address selection Negative logic 54 CASN O External RAM row address selection N...

Страница 49: ... logic cell 85 SD3 O MPEG data output 86 SD2 O MPEG data output 87 SD1 O MPEG data output 88 SD0 O MPEG data output 89 SERR O MPEG data reliability flag Data error L 90 SBGN O MPEG output sector sync signal Sector top L 91 SENB O MPEG data effective flag Effective state L 92 SDCK O MPEG data transfer clock 93 DVSS Digital power 0V For logic cell 94 SREQ I MPEG data request flag Request state L TTL...

Страница 50: ...iX1484GEZZ IC302 RH iX1463GEZZ IC501 RH iX1503GEZZ IC502 RH iX1481GEZZ IC503 RH iX1479GEZZ IC505 RH iX1430CEZZ IC506 RH iX1480GEZZ IC507 VHiBR93L46F 1 IC509 VHiPST600DM 1 IC602 RH iX1468GEZZ IC702 VHBA6796FP 1 IC703 IC708 VHiBA10358F 1 IC801 IC802 IC803 VHiPCM1720E 1 1 1 IC201 VHiMC44722V 1 IC303 RH iX1462GEZZ ...

Страница 51: ...X501 RCRSC0019GEZZ IC707 RH iX1473GEZZ IC601 RH iX1475GEZZ IC508 RH iX1477GEZZ IC504 RH iX1478GEZZ IC2001 RH iX1531CEZZ IC2002 IC2003 VHiNJM2268M 1 IC6001 IC6002 IC6003 IC6601 VHiNJM4560M 1 IC2102 VHiTC4W53F 1 IC5001 VHiMN12510F 1 IC9001 VHiT78DL09S 1 IC9002 VHiBA17808T 1 IC9003 VHiPQ15RW11 1 ...

Страница 52: ...DV 550U ...

Страница 53: ...A B C D E F G H 1 2 3 4 5 6 7 8 9 10 11 12 DV 550U DV 550U 14 1 14 2 14 BLOCK DIAGRAM ...

Страница 54: ...A B C D E F G H 1 2 3 4 5 6 7 8 9 10 11 12 DV 550U DV 550U 15 1 15 2 15 WIRING DIAGRAM LED PWB SWITCH PWB HEADPHONES VOLUME PWB DISPLAY PWB MAIN PWB REAR SIDE PWB PICKUP SECTION MECHANISM SECTION ...

Страница 55: ...DV 550U D A B C D E F G H I J K L 1 2 3 4 5 6 7 8 9 16 1 16 SCHEMATIC DIAGRAMS 16 1 MAIN 1 CIRCUIT SCHEMATIC DIAGRAM ...

Страница 56: ...U DV 550U 10 11 12 13 14 15 16 17 16 2 ...

Страница 57: ...A B C D E F G H I J K L 1 2 3 4 5 6 7 8 9 DV 550U D 16 3 16 2 MAIN 2 CIRCUIT SCHEMATIC DIAGRAM ...

Страница 58: ...10 11 12 13 14 15 16 17 U DV 550U 16 4 ...

Страница 59: ...A B C D E F G H 1 2 3 4 5 6 7 8 9 10 11 12 DV 550U DV 550U 16 5 16 6 16 3 TERMINAL POWER CIRCUIT SCHEMATIC DIAGRAM å AND SHADED COMPONENTS SAFETY RELATED PARTS ...

Страница 60: ...A B C D E F G H 1 2 3 4 5 6 7 8 9 10 11 12 DV 550U DV 550U 16 4 DISPLAY LED OPERATE VOLUME CIRCUIT SCHEMATIC DIAGRAM 16 7 16 8 ...

Страница 61: ... Z202 C814 C815 C825 IC801 IC802 C802 C819 R802 R899 R808 C818 C801 R898 R805 Z219 Z198 Z196 C811 Z200 C820 Z195 C526 C534 R890 C808 C527 IC507 Z222 Z221 Z239 Z240 Z220 Z241 C515 C509 R562 R519 IC503 Z345 Z346 Z217 Z347 C516 C510 TP549 Z309 Z251 Z250 Z215 Z216 Z246 Z247 Z214 C353 C357 Z212 Z213 R334 R335 R336 L302 R337 Z211 Z210 Z252 R366 C332 C331 TP319 R345 Z315 R367 R346 Z10 R347 C334 R368 R348...

Страница 62: ...302 Z187 TP317 TP315 TP313 TP311 TP309 TP307 TP305 TP303 TP301 CN301 R303 C303 C302 C301 C304 R317 R316 R319 R315 Z171 C317 C318 C319 R310 R318 C321 Z170 Z324 R311 Z169 R314 C316 IC301 R608 R309 R603 C330 Z86 Z176 Z323 C328 Z8 Z9 R333 R332 Z168 Z173 Z174 IC401 Z166 Z167 C417 C601 Z164 Z165 Z103 Z104 Z159 Z101 L401 Z175 FB601 CN704 Z102 Z163 Z177 Z162 C405 Z39 Z41 Z33 C756 CN703 Z40 Z158 Z157 Z160 ...

Страница 63: ...A B C D E F G H 1 2 3 4 5 6 7 8 9 10 11 12 DV 550U DV 550U 17 3 TERMINAL POWER P W B 17 5 17 6 Wiring Side Component Side ...

Страница 64: ... 10 11 12 DV 550U DV 550U 17 4 DISPLAY OPERATE LED VOLUME P W B 17 7 17 8 DISPLAY Component Side DISPLAY Wiring Side VOLUME Wiring Side OPERATE Component Side OPERATE Wiring Side LED ComponentSide VOLUME Component Side LED Wiring Side ...

Страница 65: ... NM100KR42N Peaking 10µH 10 AB L302 VP NM100KR42N Peaking 10µH 10 AB L401 VP NM470K2R0N Peaking 47µH 10 AB 18 REPLACEMENT PARTS LIST EXPLODED VIEWS ELECTRICAL PARTS LIST Parts marked with å 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 HOW TO ORDER REPLACEMENT PARTS MARK SPARE PARTS DELIV...

Страница 66: ...Y1HB102K 1000p 50V Ceramic AA C315 VCEAPF0JW107M 100 6 3V Electrolytic AC C317 VCKYCY1CB104K 0 1 16V Ceramic AB C318 VCKYCY1CB104K 0 1 16V Ceramic AB C319 VCKYCY1CB104K 0 1 16V Ceramic AB C321 VCKYCY1CB104K 0 1 16V Ceramic AB C322 VCKYCY1HB102K 1000p 50V Ceramic AA C323 VCEAPF0JW476M 47 6 3V Electrolytic AB C324 VCKYCY1HB103K 0 01 50V Ceramic AA C325 VCKYCY1HB103K 0 01 50V Ceramic AA C326 VCKYCY1C...

Страница 67: ... 0 01 50V Ceramic AA C532 VCKYCY1HB103K 0 01 50V Ceramic AA C533 VCKYCY1HB103K 0 01 50V Ceramic AA C534 VCKYCY1HB103K 0 01 50V Ceramic AA C535 VCKYCY1HB103K 0 01 50V Ceramic AA C536 VCKYCY1HB103K 0 01 50V Ceramic AA C537 VCKYCY1HB103K 0 01 50V Ceramic AA C538 VCKYCY1HB103K 0 01 50V Ceramic AA C539 VCEAPF0JW476M 47 6 3V Electrolytic AB C540 VCKYCY1HB103K 0 01 50V Ceramic AA C601 VCEAPX0JW227M 220 6...

Страница 68: ...Oxide AA R205 VRS CY1JF820J 82 1 16W Metal Oxide AA R206 VRS CY1JF820J 82 1 16W Metal Oxide AA R207 VRS CY1JF820J 82 1 16W Metal Oxide AA R208 VRS CY1JF820J 82 1 16W Metal Oxide AA R209 VRS CY1JF820J 82 1 16W Metal Oxide AA R210 VRS CY1JF820J 82 1 16W Metal Oxide AA R211 VRS CY1JF000J 00 1 16W Metal Oxide AA R212 VRS CY1JF472J 4 7k 1 16W Metal Oxide AA R213 VRS CY1JF220J 22 1 16W Metal Oxide AA R2...

Страница 69: ...W Metal Oxide AA R419 VRS CY1JF221J 220 1 16W Metal Oxide AA R421 VRS CY1JF103J 10k 1 16W Metal Oxide AA R423 VRS CY1JF473J 47k 1 16W Metal Oxide AA R424 VRS CY1JF473J 47k 1 16W Metal Oxide AA R426 VRS CY1JF102J 1 0k 1 16W Metal Oxide AA R427 VRS CY1JF103J 10k 1 16W Metal Oxide AA R428 VRS CY1JF103J 10k 1 16W Metal Oxide AA R501 VRS CY1JF103J 10k 1 16W Metal Oxide AA R502 VRS CY1JF100J 10 1 16W Me...

Страница 70: ...l Oxide AA R657 VRS CY1JF000J 00 1 16W Metal Oxide AA R658 VRS TV1JD270J 27 1 16W Metal Oxide AA R717 VRS CY1JF000J 00 1 16W Metal Oxide AA R718 VRS CY1JF103J 10k 1 16W Metal Oxide AA R722 VRS CY1JF472J 4 7k 1 16W Metal Oxide AA R724 VRS CY1JF000J 00 1 16W Metal Oxide AA R725 VRS CY1JF222J 2 2k 1 16W Metal Oxide AA R728 VRS CY1JF103J 10k 1 16W Metal Oxide AA R729 VRS CY1JF273J 27k 1 16W Metal Oxid...

Страница 71: ...J 10k 1 16W Metal Oxide AA R7026 VRS CY1JF223J 22k 1 16W Metal Oxide AA R7029 VRS CY1JF000J 00 1 16W Metal Oxide AA R7042 VRS CY1JF103J 10k 1 16W Metal Oxide AA MISCELLANEOUS PARTS CN201 QPLGN1263TAZZ Plug AE CN301 QSOCN2086TAZZ Socket AD CN702 QSOCN1136TAZZ Socket AD CN801 QSOCN2536TAZZ Socket AF CN802 QSOCN1497REZZ Socket AE FB201 RBLN 0052TAZZ Balun AC FB301 RBLN 0052TAZZ Balun AC FB501 RBLN 00...

Страница 72: ... 3V Electrolytic AB C2021 VCEAEA0JW107M 100 6 3V Electrolytic AB C2022 VCCCCY1HH560J 56p 50V Ceramic AA C2033 VCEAEM0JW476M 47 6 3V Electrolytic AB C2101 VCKYCY1HB103K 0 01 50V Ceramic AA C2102 VCKYCY1HB103K 0 01 50V Ceramic AA C2103 VCEAEM1CW106M 10 16V Electrolytic AB C2104 VCKYCY1HB103K 0 01 50V Ceramic AA C2105 VCEAEA1AW107M 100 10V Electrolytic AB C2106 VCKYCY1HB103K 0 01 50V Ceramic AA C2107...

Страница 73: ...35 VRS CY1JF562J 5 6k 1 16W Metal Oxide AA R2036 VRS CY1JF473J 47k 1 16W Metal Oxide AA R2101 VRS CY1JF151J 150 1 16W Metal Oxide AA R2102 VRS CY1JF103J 10k 1 16W Metal Oxide AA R2103 VRS CY1JF681J 680 1 16W Metal Oxide AA R2104 VRS CY1JF103J 10k 1 16W Metal Oxide AA R2105 VRD RA2BE273J 27k 1 8W Carbon AA R2106 VRD RA2HD101J 100 1 2W Carbon AA R2107 VRS CY1JF331J 330 1 16W Metal Oxide AA R2108 VRS...

Страница 74: ...N12510F AM IC6601 VHiNJM4560M 1 NJM4560M AG TRANSISTORS Q5001 VS2SC2412KQ 1 Transistor AA Q5002 VS2SC2412KQ 1 Transistor AA Q5003 VS2SC2412KQ 1 Transistor AA Q5004 VS2SA1037KQ 1 Transistor AA Q5005 VSDTC124EK 1 Transistor AB Q6601 VS2SD1306 E1E Transistor AD Q6602 VS2SD1306 E1E Transistor AD DIODES DG5001 VVK20U56102 1 Display AV D5001 RH EX0721GEZZ Zener Diode AA D5002 VHD1SS119 1 Diode AB D5003 ...

Страница 75: ...Z Socket AB J6601 QJAKE0231GEZZ Jack AG W5001 RRMCU0062GEZZ Remote Receiver AG DUNTK5503XJ6A OPERATE PWB UNIT LEDS D8101 RH PX0281GEZZ PhotoDiode AC D8102 RH PX0281GEZZ PhotoDiode AC RESISTORS R8101 VRD RA2EE331J 330 1 4W Carbon AA R8102 VRS CY1JF471J 470 1 16W Metal Oxide AA R8103 VRS CY1JF222J 2 2k 1 16W Metal Oxide AA R8104 VRD RA2BE122J 1 2k 1 8W Carbon AA R8105 VRD RA2EE331J 330 1 4W Carbon A...

Страница 76: ...ES ACCESSORIES å QACCD3024GEZZ AC Cord AL QCNW 1688TAZZ S Cable AK QCNW 7581GEZZ A V Cable AM QCNW 7883GEZZ Connecting Cord AF QCNW 7884GEZZ Connecting Cord AF QCNW 7885GEZZ Connecting Cord AD QCNW 7886GEZZ Connecting Cord AD QCNW 7887GEZZ Connecting Cord AL QCNW 7888GEZZ Connecting Cord AF QCNW 7889GEZZ Connecting Cord AD RRMCG1138GESA Remote Control AX SSAKA0160CEZZ Polyethylene Bag AB TiNS 3343...

Страница 77: ...45 17 16 20 1 9 1 4 1 3 1 2 1 5 1 10 37 30 14 41 15 29 32 31 45 28 A C 22 21 G F E 43 37 A 33 44 25 26 44 28 E F G C 23 24 Grease Dry Coading Grease Grease Grease Grease Dry Coading Dry Coading D 3 1 2 1 6 1 3 1 13 1 12 1 11 1 1 1 8 1 6 1 7 18 52 1 When touching the pickup wear an earth band to p revent breakage by static electricity å Caution ...

Страница 78: ...7913GEZZ In Switch Read Wire AC 16 LANGG9105GEZZ Clamper Angle AF 17 LCRA 0001GEZZ Disc Clamper AC 18 PSLDM4537GEZZ Yoke Plate AD 20 LHLDM1001GEZZ Clamper Hunger AC 21 LHLDZ2005GEZZ Base Chassis AN 22 RMOTM1077GEZZ Loading Motor AL 23 NPLYD0001GEZZ L Motor Pulley AD 24 NBLTT0012GEZZ Timing Belt S AE 25 NGERH1291GEZZ Idler Gear 1 AD 26 NGERH1292GEZZ Idler Gear 2 AC 27 NGERP1001GEZZ Tray Pinion AC 2...

Страница 79: ...a f 603 614 610 604 a h 630 630 625 b c d e 627 g 617 623 i 624 j 605 1 605 2 605 626 622 f 621 630 i g h a 622 618 618 j 619 617 615 612 611 d c e b 613 609 616 606 620 630 607 f 617 631 631 631 Caution Tighten the screws in order of A to E When tightening the screw E be sure to press on the opposite angle of the section a of the upper cabinet 601 ...

Страница 80: ... Description Code Ref No Part No Description Code 18 16 DV 550U A B C D E F G H 1 2 3 4 5 6 FRONT PANEL EXPLODED VIEW h 504 505 503 502 506 504 508 504 507 501 6 501 8 501 3 501 4 501 5 501 2 501 7 501 PS Front Panel ...

Страница 81: ...2GEZZ Spacer AD 622 PSPAZ0046GEZZ Spacer AA 623 PSPAZ0478GEZZ Spacer AA 624 DUNTK5500KE63 Main PWB Unit 625 DUNTK5501KE51 Terminal Power PWB Unit 626 DUNTK5502KE50 Display PWB Unit 627 QCNW 7888GEZZ Connector AF 630 LX HZ3099GEFD Screw AB 631 LX HZ3096GEFF Screw AB CABINET PARTS LIST End of Front Pnel Parts FRONT PANEL PARTS LIST End of Cabinet Parts 501 CPNLC2455GEK1 KS Front Panel BA 501 2 JBTN ...

Страница 82: ...T 19 1 SPAKX1006GEZZ Packing Add RRMCG1138GESA Remote Control SPAKP0155GEZZ Polyethylene Sack TLABZ1529GEZZ DVD Label DVD SSAKA0160CEZZ Polyethylene Bag TiNS 3343GEZZ Operation Manual QCNW 7581GEZZ A V Cable QCNW 1688TAZZ S Cable QACCD3024GEZZ AC Cord SPKAC3820GEZZ Packing Case Not Replacement Items ...

Страница 83: ...Ref No Part No Description Code Ref No Part No Description Code 18 19 DV 550U ...

Страница 84: ...ita Tochigi 329 2193 Japan COPYRIGHT C 1998 BY SHARP CORPORATION ALL RIGHTS RESERVED No part of this publication may be reproduced 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 TQ0429 S Apr 1998 Printed in JAPAN SA NS ...

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