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T5n/T4n/T3n
QQ
3 7 63 1515 0
9 Check "2. Electrical Performance".
TE
L 13942296513
www
.
58
http://www.xiaoyu163.com
D
Waveform check OK ?
YES
Turn the power switch off.
Install F101 and F102.
Turn the power switch on.
"2. Electrical Performance"
OK ?
END
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ao
u163
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i
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2 9
8
NO
D136 cathode – E DC voltage =
C
C
If IC103 has been replaced, replace IC101.
NO
Replace PST circuit board.
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
Test point
NO
approx. +16 V ?
YES
Replace IC104.
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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