Daewoo dtq-14v3fs-20v3fs Manuel D’Utilisation

I101

#44

composite video in

Check

C.V.S waveform

#43

Video/Chroma/Deflection Vcc

Check

the voltage

#38

X502

Check

the crystal

#18

#19

#20

#21

RGB Vcc (9V)

Check

the voltage

R OUT

G OUT

B OUT

Check

R/G/B signal

                                                                                                                                                               

#43

Video/Chroma/Deflection Vcc

Check

the voltage

X502

#24

C507

C508

V RAMP ALC filter

5V

Check

the voltage

( 2.5V )

I301

LA7841

#23

Vertical output

#6

Vertical IC Vcc (25V)

Check

the voltage (25V)

#5

(Invert RAMP in)

#3

C307

(Output)

Check

vertical output signal

Vertical

D.Y.

Check

the waveform

 If no output,
 then change I301

I101