LG STUDIOWORKS 77M Service Manual page 9
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Also See for STUDIOWORKS 77M:
- User manual (25 pages) ,
- User manual (20 pages) ,
- User manual (18 pages)
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4. NO HORIZONTAL DEFLECTION
NO H-DEFLECTION
(ONE VERTICAL LINE)
CHECK
Q706?
YES
CHECK
B + VOLTAGE
(160V)?
YES
CHECK
T701(FBT) PIN 3
(31KHZ 70V,
69KHZ 140V) ?
YES
CHECK
Q705 COLLECTOR
WAVEFORM?
YES
TROUBLE IN
T701, P701
NO
NO
NO
NO
TROUBLE IN
Q706
TROUBLE IN
160V LINE
TROUBLE IN
Q717, Q718, Q719,
D707
TROUBLE IN
Q705
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