Samsung Electronics
6-12
6-12 Focus does not work
No
No
Yes
Yes
Yes
No
Yes
No
FOCUS DOES NOT WORK
Check for frequency
at Pin 42 of SIC 6
: 14.31818MHz
Check for
change of voltage at
Pin 62 of SIC6 when PLAY
button is pressed : +, -
alternately
Check for
change of voltage at
Pin 9 of SIC5 when PLAY
button is pressed : +, -
alternately
Replace pick-up or
See "No disc error"
Replace SIC6
SIC5 or SR73 is
defective or check
SCWI or See "Power
Source Problem"
Check for frequency
at Pin 2 of VIC2
: 14.31818MHz
Check for PCB
pattern
Replace VX1
or VIC2
Troubleshooting
Содержание DV4700V
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 ...