Daewoo DSC-34W70N, Руководство по обслуживанию

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Troubleshooting charts
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No Raster
NO
I701 communicates with I402 on the IIC bus.
Check the #3 (SDA) and #4 (SCL) of I402.
5Vp-p
Check I701
and I402.
Vertical
Deflection
Check #17 (H-Drive output) of I402.
0.7Vp-p
31.5KHz (NTSC/DVD)
33.75KHz (DTV)
Horizontal
Deflection
High Voltage
Drive
Check H Drive signal to emitter of Q411.
12Vp-p
31.5KHz (NTSC/DVD)
33.75KHz (DTV)
Check
Q416, Q417
H Drive signal is output to pin 3 of I407.
12Vp-p
33.75KHz
Check # 9
(E/W ) of
IC402.
NO
H/D1
Trigger pulse is input to #2 of I407.
31.5KHz (NTSC/DVD)
33.75KHz (DTV)
2Vp-p
6Vp-p
The control voltage of H Drive is
input to #5 of I407.
60Hz
0.5Vp-p
7Vp-p
NO
NO