5) no vertical deflection, Troubleshooting guide – Daewoo DVQ-13H1FC User Manual

Page 23

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TROUBLESHOOTING GUIDE

2-5) NO VERTICAL DEFLECTION

I501

DCT814B

5V

#24

X501

3.58MHz

Check

the crystal

#38

L502

Chroma/DEF Vcc

#43

Check

the voltage

CC508

CC507

Check

the voltage

(2.5V)

V RAMP
ALC filter

#23

I301

LA7841

RC301

#5

#2

Check

vertical output

signal

Invert RAMP
IN

OUTPUT

VERTICAL

D.Y

Check

the waveform

If no output
then change I301

#6

D404

Vertical IC Vcc(26V)

From
FBT

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