Service manual

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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.