25VT-J100
25VT-CJ10
17
TROUBLESHOOTING OF TV SECTION
NO
NO
NO
NO
NO
FLOW CHART NO.2-1
FLOW CHART NO.2-2
Set not operating
YES
YES
YES
YES
YES
Is 120V AC applied to
line between (H) and
(C) of P702 ?
T701 Pin (7) voltage
check about: 170V DC
at 120V AC
B
+
voltage check about:
128.5V (C730
±
side)
Does pulse waveform
exist at line between (2)
and (3) of IC701 ?
Check D701 thru
D704, L701,
R701 and F701.
Is AC cord connected?
Is 170V DC applied to
C705?
Check T701, and
adjacent parts.
Is 16V DC applied to
pin (4) of IC701 ?
Check R708 and
IC701.
Check IC701 and
adjacent parts
CRT connector
GC1~GC5 bias check
The Fuse is again
blown out
D701, D702, D703,
D704, D705
Connect AC cord.
F701 Check
Normal
Normal
IC701, Check
Normal
Abnomal
IC401 (iX2933CE)
Normal
Normal
C854
Blown out
Replace the Fuse
Abnormal
R701
Abnormal
IC701, D727
Normal
R603, Q601,
Q612
AC cord broken.
NO RASTER
Summary of Contents for 25VT-CJ10
Page 7: ...25VT J100 25VT CJ10 7 LOCATION OF USER S CONTROL Description Of Controls FRONT REAR ...
Page 21: ...25VT J100 25VT CJ10 21 H G F E D C B A 1 2 3 4 5 6 PWB A MAIN UNIT MODEL 25VT J100 ...
Page 22: ...25VT J100 25VT CJ10 22 H G F E D C B A 1 2 3 4 5 6 PWB A MAIN UNIT MODEL 25VT CJ10 ...
Page 29: ...H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 25VT J100 25VT CJ10 25VT J100 25VT CJ10 35 36 ...
Page 31: ...H G F E D C B A 1 2 3 4 5 6 7 8 9 10 11 12 25VT J100 25VT CJ10 25VT J100 25VT CJ10 40 39 ...
Page 55: ...25VT J100 25VT CJ10 71 Memo ...
Page 56: ...25VT J100 25VT CJ10 72 TQ0276 S YO KG Printed in U S A ...
