T5n/T4n/T3n
58
END
D
9
Check "2. Electrical Performance".
"2. Electrical Performance"
OK ?
Test point
D136 cathode – E DC voltage =
approx. +16 V ?
C
C
Replace IC104.
If IC103 has been replaced, replace IC101.
NO
NO
Waveform check OK ?
YES
YES
Replace PST circuit board.
NO
Turn the power switch off.
Install F101 and F102.
Turn the power switch on.
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