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8 . TROUBLESHOOTING CHARTS
NO POWER : Chart 1
Measure the main power Volta-
ge + 125V on the power board
NORMA
ABNORMAL
Measure the collector Voltage
See Chart 2
of the Q801
NORMAL.
is
ABNORMAL
Abnormal
Check/Replace
Check
Replace
Check
| Abnorm
sto, Dat!
T801
in 4 1C801
ie
:
;
Pi
IC801
Normal
NORMAL
F801
Check/Replace
Q801
NO RASTER AND NO SOUND : Chart 2
Measure the + 125V
On the main board
Yes or more than
NO
$6 one
Abnormal
Check/ Replace
See Chart 1
+10.
ine
R817
Normal
Abnormal
Check
Check/ Replace
5V Line
IC803
Normal
Abnormal
pee
Check/ Replace
ne
Q805,Q806
Normal
;
Check
Abnormal
C101
:
_Check/ Replace
1C101
Normal
Abnormal
:
Poe
:
Check/ Replace
:
Q402, IC601
Normal
Check Contrast
Bright, Colour
Volume Level
OT
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