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21KF-80S
Check R701,Q701
and IC701.
Check D758,IC702
and D751.
Check R605,
Q601 and Q602.
D1001 turns on
brightly and darkly.
See many often D1001
flashes in red.
This indicates which IC
to
TROUBLESHOOTING TABLES
NO RASTER
Check F701.
Check T701 pin16 voltage.
(Approx. 290V at 220V AC)
Check Secondary Main+B.
(Approx. 118V )
Check CRT connector
K1-K5 bias.
Check C878,
Check IC801.
R608 and D603.
NVM
(IC1002)
TV PROCESSOR
(IC801)
SOUND PROCESSOR
(IC3001)
TUNER
(TU201)
36
Blown out.
Replace the fuse.
The fuse is again blown
Check IC701,D701,D702,
D703,D704 and C705.
D1001 (Power LED Bright
Red) turns on.
D1001 (Power LED Dark
Red) turns on.
Check the
protector
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