No Front (SET) operation
REF+/-, +5V, -28V power
is supplied to FJP1?
Check power status
Check X-TAL peripheral circuit
Check reset peripheral circuit of FIC2
Check FIC1(Micom) soldering
Check FU1(Micom) peripheral circuit
Check S/W interface. Check
communication status with main Micom
(Check FIC1 pins 27,72,73,74,75)
If the problem persists:
Check after replacing Front PCB, with another
one.Check other parts for abnormal
Front operation persists.
12MHz oscillation (FY1)?
Reset working in
FIC1(Micom) 12pin?
FIC1(Micom)
soldering is OK?
Operational waveform is
missing
in FIC3(FLT) pin ?
Keys of STOP, PLAY, OPEN
work normally?
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Troubleshooting
Samsung Electronics
8-19
Содержание DVD-907
Страница 11: ...Precautions 2 4 Samsung Electronics MEMO ...
Страница 53: ...Disassembly and Reassembly 5 6 Samsung Electronics 5 1 2 PCB Locations Fig 5 6 PCB MAIN PCB SMPS PCB FRONT ...
Страница 60: ...Disassembly and Reassembly Samsung Electronics 5 13 PCB MAIN PCB SMPS PCB FRONT Fig 5 13 5 2 2 PCB Locations ...
Страница 67: ...Disassembly and Reassembly 5 20 Samsung Electronics MEMO ...
Страница 83: ...Circuit Descriptions 7 30 Samsung Electronics MEMO ...
Страница 114: ...Samsung Electronics 10 1 10 Packing Diagram ...
Страница 115: ...Samsung Electronics 10 2 Packing Diagram MEMO ...
Страница 118: ...13 2 Samsung Electronics 13 1 MAIN PLAY B D SILK COMP 13 1 1 COMPONENT SIDE ...
Страница 119: ...13 3 Samsung Electronics 13 1 2 SOLDER SIDE PLAY B D SILK SOLD PCB Diagrams ...
Страница 120: ...13 4 Samsung Electronics 13 2 FRONT DVD 907 ...
Страница 121: ...13 5 Samsung Electronics 13 3 FRONT DVD 927 ...
Страница 122: ...13 6 Samsung Electronics 13 4 SMPS ...
Страница 123: ...13 7 Samsung Electronics 13 5 DECK ...
Страница 124: ...13 10 Samsung Electronics 13 7 SCART JACK ...
Страница 125: ...14 1 Samsung Electronics 14 Wiring Diagram ...
Страница 127: ...15 2 Samsung Electronics 15 1 1 MICOM 15 1 MAIN Rev 1 ...
Страница 128: ...15 3 Samsung Electronics Schematic Diagrams 15 1 2 SERVO ...
Страница 129: ...15 4 Samsung Electronics Schematic Diagrams 15 1 3 DATA PROCESSOR ...
Страница 130: ...15 5 Samsung Electronics Schematic Diagrams 15 1 4 A V DECODER ...
Страница 131: ...15 6 Samsung Electronics Schematic Diagrams 15 1 5 AUDIO ...
Страница 132: ...15 7 Samsung Electronics Schematic Diagrams 15 1 6 VIDEO ...
Страница 133: ...15 8 Samsung Electronics Schematic Diagrams 15 1 7 CONNECTOR ...
Страница 134: ...15 9 Samsung Electronics 15 2 1 DVD 907 15 2 FRONT ...
Страница 135: ...15 10 Samsung Electronics Schematic Diagrams 15 2 2 DVD 927 ...
Страница 136: ...15 11 Samsung Electronics 15 3 SMPS ...
Страница 137: ...15 12 Samsung Electronics 15 4 PICK UP DECK ...
Страница 138: ...15 13 Samsung Electronics 15 5 MAIN Rev 2 15 5 1 MICOM ...
Страница 139: ...15 14 Samsung Electronics Schematic Diagrams 15 5 2 SERVO ...
Страница 140: ...15 15 Samsung Electronics Schematic Diagrams 15 5 3 DATA PROCESSOR ...
Страница 141: ...15 16 Samsung Electronics Schematic Diagrams 15 5 4 A V DECODER ...
Страница 142: ...15 17 Samsung Electronics Schematic Diagrams 15 5 5 AUDIO ...
Страница 143: ...15 18 Samsung Electronics Schematic Diagrams 15 5 6 VIDEO ...
Страница 144: ...15 19 Samsung Electronics Schematic Diagrams 15 5 7 CONNCTOR ...
Страница 145: ...15 20 Samsung Electronics 15 6 SCART JACK ...
Страница 146: ...ELECTRONICS Samsung Electronics Co Ltd May 1998 Printed in Korea AH68 20198A ...