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AV 2/3 Schematic Diagram

Summary of Contents for DVD-900

Page 1: ...ual set 16 11 YUSHIMA 3 CHOME BUNKYOU KU TOKYO 113 0034 JAPAN Telephone 03 3837 5321 For Asia Australia model This service manual is composed of only pages whose contents are different from those for...

Page 2: ...RAMS CBA S AND TEST POINTS 11 WIRING DIAGRAMS 13 EXPLODED VIEWS 14 PARTS LIST 16 Manufactured under license from Dolby Laboratories Dolby and the double D symbol are trademarks of Dolby Laboratories D...

Page 3: ...pulse outputted from the pin 20 of CN1001 Is the P CON switch circuit operated normally Q1002 Q1005 Q1006 IC1002 D1036 D1046 Check the presence that the primary component is leaking or short then serv...

Page 4: ...001 and their periphery Check or replace IC2001 and DVD Main CBA unit Check or replace the power circuit D1016 D1017 and R1042 and their periphery FLOW CHART NO 7 The key operation is not functioning...

Page 5: ...putted Is PON12V voltage supplied to the collector of Q1002 Does the P ON switch circuit operate normally Q1005 Q1006 D1036 etc Replace Q1002 Check D1009 C1012 and the periphery circuit Check each com...

Page 6: ...plied to Pin 9 of IC2001 when the OPEN CLOSE button is activated on the DVD See FLOW CHART NO 15 The disc tray cannot be opened and closed Is the H pulse inputted into pin 4 of IC1002 Replace IC1002 R...

Page 7: ...te normally Replace the DVD Main CBA Unit Replace the DVD Mecha No Yes Replace the DVD Main CBA Unit Replace the DVD Mecha No Yes Replace the DVD Main CBA Unit Replace the DVD Mecha No Yes No improvem...

Page 8: ...IC1402 2PIN S C CN1601 6PIN IC1402 14PIN B CN1601 4PIN IC1402 16PIN R CN1601 2PIN IC1402 12PIN G Are the video signals shown above inputted into each pin of IC1402 Are the video signals outputted to e...

Page 9: ...1201 6PIN AUDIO R Replace the DVD Main CBA Unit or DVD Mecha Replace the DVD Main CBA Unit Check or replace IC1201 Check the periphery of Pins 1 7 of IC1201 and JK1201 Check each line between each pin...

Page 10: ...ERFACE CENTRAL COMMAND PORT FRONT END LINK INTERFACE ST20 ARBITER MEMORY CONTROLLER SDRAM ARBITER SHARED SDRAM INTERFACE I F VIDEO DECODER AUDIO DECODER CACHE SUBSYSTEM CPU VIDEO FILTERING OSD SP DECO...

Page 11: ...are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply cir cuit to fail CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZAR...

Page 12: ...12 AV 2 3 Schematic Diagram...

Page 13: ...3 3 25 25 26 26 OC KEY REMOTE CN3001 SW CBA M M SPINDLE MOTOR SLIDE MOTOR RELAY CBA 19 20 21 GND CD PD CD LD CD DVD 1 2 3 4 5 6 7 8 9 10 11 DETECTOR FS TS LOADING MOTOR CN302 1 FERS 2 GND 3 RDY HIF 4...

Page 14: ...31 See Electrical Parts List for parts with this mark Some Ref Numbers are not in sequence 2L011 2L011 2L011 2L011 A16 2L051 2B2 2L031 A1X WJ1003 2L023 2B26 2L023 A14 A14 2L052 Function CBA 2B10 W2201...

Page 15: ...15 Packing X10A X5 X2 X4 S2 S2 S4 Unit S1 X12 X1 A30 A23 A22 A30 A23...

Page 16: ...SCREW C TIGHT M3X5 BIND HEAD GBCC3050 9H26000257 5 2L011 B SCREW C TIGHT M3X5 BIND HEAD GBKC3050 9H26000257 5 2L021 SCREW S TIGHT M3X10 BIND HEAD GBMS3100 9H26000302 3 2L023 SCREW C TIGHT M3X6 BIND HE...

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