Thoubleshooting
Samsung Electronics
5-15
Yes
No
No
No
No
No
Yes
Yes
Yes
Key operation or
remote control error
Check all power and front cable
Check all clock oscillating parts.
Check short pin out of micomcommon-
bus(8 bit)Check short or openingofmi-
com Check solderingofmicom and com-
munication devices
Check DVD1 peripheral unit
All power is measured
correctly and front cable is
properly connected?
All clocks(20MHz, 16.9344MHz,
27MHz, 30MHz, 33MHz) of main PCB
oscillate normally?
Common data bus line
signal appears like CH2 of wave-
form?
CS2/RD/WR signals occur?
Play?
E
Summary of Contents for DVD-905
Page 5: ...Precautions 1 4 Samsung Electronics MEMO ...
Page 7: ...Product Specifications 3 2 Samsung Electronics MEMO ...
Page 87: ...Thoubleshooting 5 26 Samsung Electronics MEMO ...
Page 93: ...Exploded View and Parts List 6 6 Samsung Electronics 6 3 Remote Control ...
Page 121: ...Electrical Parts List 7 28 Samsung Electronics MEMO ...
Page 123: ...Block Diagrams 8 2 Samsung Electronics MEMO ...
Page 124: ...Samsung Electronics 10 1 10 Wiring Diagram ...
Page 125: ...Wiring Diagrams 10 2 Samsung Electronics MEMO ...
Page 127: ...Schematic Diagrams 11 2 Samsung Electronics 11 1 SMPS ...
Page 128: ...Schematic Diagrams Samsung Electronics 11 3 11 2 FRONT ...
Page 129: ...Schematic Diagrams 11 4 Samsung Electronics 11 3 MICOM ...
Page 131: ...Schematic Diagrams 11 6 Samsung Electronics 11 5 VIDEO 1 2 3 4 5 7 8 9 10 6 11 12 13 14 15 16 ...
Page 133: ...Schematic Diagrams 11 8 Samsung Electronics 11 7 AUDIO 2 ...
Page 134: ...Schematic Diagrams Samsung Electronics 11 9 11 8 DATA PROCESSOR ...
Page 135: ...Schematic Diagrams 11 10 Samsung Electronics 11 9 A V DECORDER ...
Page 136: ...Schematic Diagrams Samsung Electronics 11 11 11 10 PICK UP DECK ...