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5 18
20 21
19
Q705 drain
waveform is right?
Q706 base, collector
waveforms are right?
Q719 drain
waveform is right?
IC401 Pin 18 waveform is
right?
- 25 -
7. H_Deflection Failure
NO
NO
NO
NO
1. Check IC401 Pins 39,40,41
2. Replace IC401.
Check Q720,50V LINE
D710
Check Q704
Check 13V line.
Check and replace T703
and Q706.Check DY connector
connection.
YES
YES
YES
IC401, #18
Q706, Base Q706, Collector
Q719, Drain Q705, Drain
5
18
19
2120
Waveforms
8. Invariable H_Size
NO
Check and replace IC401.
Check if DC voltage of
IC401 PIN 35
wave is Variable.
6
IC401, #35
6