17
17-1
17-2
21GT-22
TROUBLE SHOOTING TABLE
(Continued)
NO SPECIFIC COLOUR
Is some colour produced in
B/W broadcast reception ?
Is the white balance properly
adjusted ?
Readjust the white balance.
The picture colour is yellow.
The picture colour is magenta.
The picture colour is cyan.
Check Q870, Q885 and
its adjacent circuits.
Check Q871, Q883 and
its adjacent circuits.
Check Q872, Q887 and its
adjacent circuits.
Check IC801 and bias
control circuit.
NO SPECIFIC COLOUR
“PAL”
(NO COLOUR SYNCHRONIZATION)
Check IC801, R801, R802,
R803, D804, D805, D806
and Q801.
Check X1001(12MHz).
Summary of Contents for 21GT-22
Page 20: ...20 21GT 22 CHASSIS LAYOUT ...
Page 21: ...21 21GT 22 ...
Page 22: ...21GT22 21GT22 22 23 BLOCK DAIAGRAM MAIN UNIT ...
Page 23: ...24 21GT 22 HEADPHONE UNIT MONO BILINGUAL UNIT ...
Page 26: ...28 21GT 22 CRT UNIT A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 HEADPHONE UNIT ...
Page 27: ...29 21GT 22 ...
Page 38: ...Ref No Part No Description Code Ref No Part No Description Code 42 21GT22 PACKING OF THE SET ...
Page 39: ...Ref No Part No Description Code Ref No Part No Description Code 43 21GT22 M E M O ...
