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TROUBLESHOOTING GUIDE
TR902, TR903. D905.
TR901 AND POWER
REG CIRCUIT
~.
7
I
D706,
c713.
c714.
c715
YES
, CHECK CRT (GZ) VOLTAGE 450V
NO
TROUBLE IN
2 CHECK CRT (HEATER) VOLTAGE 12V
-,
FBT.
CR706
R712
LEAD (HI,. LEAD
(Vl,
V2)
YES
CHECK CRT CATHOD VOLTAGE
ABOVE 55V TROUBLE IN
*
45-55v
TR303, TR304. R311. R309. R310.
R315, R314, R312
YES
VR703 (SUB-BRIGHT,, R710. R711.
“R301
(CONTRAST,,
VI?,05
(MT
BRIGHT,,
TRW,
TR302. VIDEO CABLE
HORIZONTAWERTICAL
SYNC TROUBLE
I
SYNCTROUBLE
TROUBLE IN
R719. C716. R70B, R720.
I
I
REF. NO.
FIGURE OEBCRIPTION
TR301. TR302.
B
w
KTC ,015
TR902, KTC 1959
TR903.
-C
KTA 562TM
TR601 KTC 1815
L
TR304
k
KTC 2229
t
B
c
>
TR701.
9
BU 806
TWO1
KTD 880
BCE
IC701
l@a
TEA 2037A
TR303
-0
2N 3904
E