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5. Horizontal Output Circuit
11V
0V
10V
0V
66V
Trouble in Horizontal
output circuit
(No Raster)
Is the
B+line voltage
over 175V?
Yes
Is the H-out
waveform of IC501
normal?
Yes
Is the Gate wave
form of
Q553 normal?
Yes
Is the Drain
waveform of
Q553 normal?
Yes
Trouble in Q554 and
its ambient circuit.
19
No
Trouble in 175V line.
No
Trouble in IC501
No
Trouble in Q551, Q552
No
Trouble in Q553
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