Samsung Electronics
6-15
6-15 No Digital Sound
No digital sound
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Check for voltage at
pin
38
of MIC201(FMV PCB)
:LOW
Check for voltage at
pin
17
of AIC103
:HIGH
Check for EFM signal
at pin
86
of AIC106
Check for signal
at pin
80
of SIC6
Check for EQ signal
at pin 88,89 of AIC106
Check for signals at
pin
11,12,14
of AIC106,
Check for signals at
pin
36,37,38
of AIC106,
Check for 16MHz at
pin
8
of AIC106
Check for soldering of VIC201(FMV PCB)
Check for soldering
Check for RF signal lines
Check for EFM signal lines
Check for soldering and
powe source of SIC6
then replace SIC6
Check for signal at pin
76,78,96
of MIC101
Check for 16MHz at pin
4
of AIC104
Replace AIC106
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
Troubleshooting
Содержание DV7720KV
Страница 21: ...Samsung Electronics 5 2 5 1 Adjustment Point Location Alignment and Adjustment ...
Страница 150: ...Samsung Electronics 8 1 8 Block Diagram ...
Страница 151: ...Samsung Electronics 9 1 9 PCB Diagram 9 1 Front Top DV7720KV ...
Страница 152: ...Samsung Electronics 9 2 PCB Diagram 9 2 Front Top DV4720KV ...
Страница 153: ...Samsung Electronics 9 3 PCB Diagram 9 3 Video cd 9 4 1 Top view 9 4 2 Bottom view ...
Страница 154: ...Samsung Electronics 9 4 PCB Diagram 9 3 Main ...
Страница 155: ...Samsung Electronics 9 5 PCB Diagram ...
Страница 156: ...Samsung Electronics 9 6 PCB Diagram 9 5 Power ...
Страница 157: ...Samsung Electronics 9 7 PCB Diagram 9 6 Deck ...
Страница 158: ...Samsung Electronics 9 8 PCB Diagram 9 7 Deck 9 8 Deck ...
Страница 159: ...Samsung Electronics 10 1 10 Wiring Diagram Fig 10 1 Wiring Diagram DV7720KV DV4720V ...
Страница 160: ...Samsung Electronics 10 2 Wiring Diagrams Fig 10 2 Wiring Diagram DV7700KV DV4700V ...
Страница 161: ...Samsung Electronics 11 1 Schematic Diagrams 11 Schematic Diagram 11 1 Front ...
Страница 162: ...Samsung Electronics 11 2 Schematic Diagrams 11 2 Main 1 4 Servo Section ...
Страница 163: ...Samsung Electronics 11 3 Schematic Diagrams 11 3 Main 2 4 LD Video Section ...
Страница 164: ...Samsung Electronics 11 4 Schematic Diagrams 11 4 Main 3 4 Audio Section ...
Страница 165: ...Samsung Electronics 11 5 Schematic Diagrams 11 5 Main 4 4 Syscon Section ...
Страница 166: ...Schematic Diagrams 11 Ð 6 Samsung Electronics 11 6 Video CD ...
Страница 167: ...Samsung Electronics 11 7 Schematic Diagrams 11 8 Power DV 7620KV DV 7622KV ...