SERVICE MANUAL - Page de test

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FLOW CHART NO.12 EV+1.5V is not outputted. Is 2.5V voltage supplied to Pin(1) of IC1002 No Check D1006, C1014 and the periphery circuit. Yes Is 1.25V voltage supplied to Pin(4) of IC1002 No Is the "L" pulse outputted to Pin(19) of IC2002 Yes Yes No Replace IC1002. Check the circuit between Pin(19) Replace IC2002. of IC2002 and Pin(4) of IC1002, FLOW CHART NO.13 The fluorescent display tube does not light up. and service it if defective. Is the voltage of 3.3V supplied to Pin(6) and Pin(24) of IC2001 Yes Is the voltage of -24V supplied to Pin(15) of IC2001 Yes Is there 500kHz oscillation at Pin(26) of IC2001 Yes Check the signal lines of FP-DIN, FP-DOUT, FP-CLK, FIP-STB of IC2001 and CN1001 Yes Are the filament voltage supplied between Pins(1, 2) and Pins(34, 35) of the fluorescent display tube And the negative voltage applied between these pins and GND Yes Replace the fluorescent display tube. FLOW CHART NO.14 The key operation is disabled. Is key switch contact (SW2001-SW2003, 2005, 2006, 2008) and installation state normal Yes Is the control voltage normally inputted into Pins(7, 8) of IC2002 Yes Replace IC2002. No No No No No No No Check the EV+3.3V line, and service it if defective. Check the -FL (-24V) line, and service it if defective. Check R2015, IC2001 and their periphery, and service it if defective. Check or replace IC2001 and its periphery, and DVD Main CBA unit, and service it if defective. Check or replace the power circuit, D1016, D1017, T1001, and their periphery, and service it if defective. No Is the voltage of -17V supplied to the collector of Q1005 Yes Is the "H" signal inputted at base of Q1016 Service or replace some poor switches. Check PWRCON line, and service it if defective. No Yes Check or replace Q1015, Q1016, D1055, and their periphery, and service it if defective. Check the key switches (SW2001-SW2003, 2005, 2006, 2008), and their periphery circuit, and service it if defective. Terminal voltage of IC2002-7,8 4.10 3.20 2.42 1.49 0.49 (V) KEY-1 IC2002-7 ----- STOP PAUSE SKIP-UP SKIP-DOWN KEY-2 IC2002-8 ----- ----- PLAY OPEN/CLOSE POWER 1-8-3 E5752TS
FLOW CHART NO.15 No operation is possible from the remote control unit. Operation is possible from the DVD, but no operation is possible from the remote control unit. Yes Is no operation possible if replacing the remote control unit Yes Is 5V voltage supplied to the Pin(3) terminal of the infrared remote control receiver Yes Is the "L" pulse sent out Pin(1) terminal of receiver when the infrared remote control is activated Yes Is the "L" pulse signal supplied to the Pin(20) of IC2002 when the infrared remote control is activated Yes Replace DVD Main CBA unit. No No No No Original remote control unit is poor. Check EV+5V line, and service it if defective. Replace the infrared remote control receiver. Replace IC2002. FLOW CHART NO.16 The disc tray cannot be opened and closed. (It can be done using the remote control unit.) Is 0.49V to 1.49V voltage inputted into Pin(8) of IC2002 when the "OPEN/CLOSE" button is activated Yes See FLOW CHART NO. 17. No Check the SW2005 and "OPEN/CLOSE" button, and service it if defective. FLOW CHART NO.17 The disc tray cannot be opened and closed. Is the "L" pulse sent out Pin(20) of IC2002 when the "OPEN/CLOSE" button is activated No Replace IC2002. Replace the DVD Main CBA Unit. No improvement can be found. Yes Replace the DVD Mecha. No The malfunction of the original DVD Main CBA Unit. FLOW CHART NO.18 [No Disc] indicated. (When the focus error occurs.) Replace the DVD Main CBA. No improvement can be found. Yes Replace the DVD Mecha. No Original DVD Main CBA is poor. 1-8-4 E5752TS
Page 1 and 2: OPERATE OPEN/CLOSE PLAY STOP SKIP R
Page 3 and 4: LASER BEAM SAFETY PRECAUTIONS This
Page 5 and 6: STANDARD NOTES FOR SERVICING Circui
Page 7 and 8: 2. Installation (1) Using desolderi
Page 9 and 10: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 RE
Page 11 and 12: OPERATE OPEN/CLOSE PLAY STOP SKIP R
Page 13 and 14: CABINET DISASSEMBLY INSTRUCTIONS 1.
Page 15 and 16: [6] Function CBA [4] AV CBA CN1601
Page 17 and 18: (model name) VERSION . REGION 1. TE
Page 19 and 20: [ ERROR RATE MEASUREMENT] 1. Turn o
Page 21: FLOW CHART NO.6 P-ON+12V is not out
Page 25 and 26: FLOW CHART NO.22 Picture does not a
Page 27 and 28: System Control/Servo Block Diagram
Page 29 and 30: Video / Audio Block Diagram VIDEO S
Page 31 and 32: SCHEMATIC DIAGRAMS / CBA’S AND TE
Page 33 and 34: DVD Main 1/3 Schematic Diagram 1-10
Page 35 and 36: IC101 VOLTAGE CHART PIN.NO PLAY STO
Page 37 and 38: AV 1/3 Schematic Diagram CAUTION !
Page 39 and 40: AV 3/3 & Function Schematic Diagram
Page 41 and 42: DVD Main CBA Bottom View 1-10-19 1-
Page 43 and 44: AV CBA Bottom View WF1 PIN 1 OF CN1
Page 45 and 46: WAVEFORMS WF1 Pin 1 of CN1601 WF5 P
Page 47 and 48: SYSTEM CONTROL TIMING CHARTS Tray C
Page 49 and 50: LEAD IDENTIFICATIONS 2SA1015-Y (TPE
Page 51 and 52: Packing X2 X10 DV-SL10H only X17 X4
Page 53 and 54: ELECTRICAL PARTS LIST PRODUCT SAFET
Page 55 and 56: Ref. No. Mark Description Part No.
Page 65: COPYRIGHT © 2003 BY SHARP CORPORAT

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