27
14GT15
14GT20
TROUBLE SHOOTING TABLE
NO RASTER
Blown out.
Replace the fuse.
Check IC701, D701,C707
and D710.
The fuse is again blown out.
Does horizontal circuit
oscillate ?
Check IC751 and IC801.
D1001 (Power LED Red)
turns on or turns ON/OFF.
Check T701 pin (7) voltage
(Approx. 310V at 220V AC)
Check F701.
Check Secondary Main+B
(Pin (17) of T701
voltage:Approx. 115V)
Check CRT connector
K1-K5 bias.
Check
C878.
Check
IC801.
Checking the
protector circuit.
Check R618 and R615.
D1001 (Power LED Green)
turns on.
Check D758, IC702 and
IC753.
Check R701, R707 and
D709.
Содержание 14GT15
Страница 32: ...32 14GT15 14GT20 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J MODEL 14GT15 CHASSIS LAYOUT ...
Страница 33: ...33 14GT15 14GT20 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J MODEL 14GT20 CHASSIS LAYOUT ...
Страница 34: ...34 14GT15 14GT20 WAVEFORMS ...
Страница 40: ...41 14GT15 14GT20 40 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 C DIAGRAM MODEL 14GT15 MAIN Unit ...
Страница 41: ...43 14GT15 14GT20 42 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 C DIAGRAM MODEL 14GT20 MAIN Unit ...
Страница 42: ...45 14GT15 14GT20 44 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 AGRAM 1 3 M0DEL 14GT15 MAIN BLOCK ...
Страница 43: ...47 14GT15 14GT20 46 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 AGRAM 2 3 M0DEL 14GT20 MAIN BLOCK ...
Страница 46: ...51 14GT15 14GT20 50 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Unit Wiring Side ...
Страница 47: ...53 14GT15 14GT20 52 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 Unit Component Side ...