Sharp 21HT-16CS Manual de serviço - Página 36

Procurar online ou descarregar pdf Manual de serviço para TV Sharp 21HT-16CS. Sharp 21HT-16CS 44 páginas. Pal secam b/g, d/k system colour television

21HT-15C

21HT-16C

CIRCUIT TO BE CHECKED:

Sync. Separator Circuit.

Normal

Check C502 and C514.

Check IC801,R801,R802,

R803,D804,D805,D806

The picture colour is cyan.

Check Q870,Q885 and

their adjacent circuits.

NEITHER VERTICAL NOR

HORIZONTAL SYNCHRONIZATION

DEFECTIVE VERTICEL AMP.

AND VERTICAL LINEARITY

Readjusted vertical size.

Vertical linearity and size

NO VERTICAL SCAN

NO SPECIFIC COLOUR

Is some colour produced in

B/W broadcast reception?

and Q801.

The picture colour is magenta.

Check Q871,Q883 and

their adjacent circuits.

Check pin33 and 34

of IC801.

(Bass Data)

is abnormal.

Check R502,R505

Check IC501 bias.

YES

Abnormal

Check IC501.

Is the white balance

properly adjusted?

Readjusted the white

balance.

The picture colour is yellow.

Check Q872,Q887 and

their adjacent circuits.