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The video signal is not appear
at TV during playback mode
ine the playback FM signal appear |
at pre-amp IC701 pin 10?
Yes |
Does the playback FM signal
|
appear at Y/C IC402 pin 14?
Yes
Does X10(6MHz) and X1(32 768KHz)
oscillate at syscon IC16?
|
Does the playback video signal
appear at Y/C IC401 pin 1?
Yes |
Does the playback video signal
appear at Y/C IC401 pin 4?
|
| Does the playback video signal
|
appear at Y/C IC 402 pin 9?
|
| Does the playback video signal
appear at Y/C IC402 pin 28?
Yes |
|
Refer to E-E mode (C item)
|
KV-20/13VM30/31
F
FOSD doesn't work.
IC802 pin20?
|
Is 5.3V applied to FOSD
|
Yes
Do pin 1 and 2 of
1C802 oscillate?
Yes
Are OSD data, clock, enable pulses applied
to FOSD IC802 pins 3, 4, 5? (During signal)
Yes |
Are the sync of horizontal and vertical
applied to FOSD {C802 pins 18, 19?
DoR G.B
output from IC802?
Yes
Does R. G B input to
pins 19, 20, 21 of IC1501?
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