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