Sharp 21HT-16CS 서비스 매뉴얼 - 페이지 35

{카테고리_이름} Sharp 21HT-16CS에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Sharp 21HT-16CS 44 페이지. Pal secam b/g, d/k system colour television

페이지 인쇄

Check T701 pin

16 voltage.

Does 290V

appear at pin (16)

of T701 (SMT

Transf.)

Check

R701,S701 and

AC in.

Check F751, D758, C702

IC702, Q752 and R615 line

See Many often D1001

Flashes in red, this indicates which

IC to check up.

Explanation:

NVM

(IC1002)

TV Processor

(IC801)

TUNER

(TU201)

Protector Circuit

(R1028,D615,D612,D509,D510,D614,D604,D605,Q603)

TROUBLESHOOTING TABLES

YES

Does 110V

appear in

) ?

Main+B C752

Power LED dark red

NO RASTER

Check F701

YES

Does F701

appear blown

out?

END

YES

Check D1001

Does Power LED

bright red Turn on?

Check CRT

connector K1-K5

Check C878

21HT-15C

21HT-16C

Replace the fuse

Does F701

YES

appear blown

out again?

Check IC701, D701, D702,

D703, D704, C705, Q701

YES

BIAS

Check IC801

Heater

2 Times Flash

3 Times Flash

6 Times Flash