6.Unstable Picture

6-1. Horizontal

Unstable

picture

Is the

pulse of pin 26 of Yes the IC501

correct?

Trouble in IC501 or its ambient circuit

No

Is the

pulse of pin 28 of Yes the IC201

correct?

5Vpp

No

Is the

Yes

input H.Sync

 

 

correct?

 

No

Trouble in Signal Cable or 15P D-Sub Connector

Check IC501 and its ambient circuit

Check IC201 and its ambient circuit

20

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Image 22
Daewoo 531X service manual Unstable Picture Horizontal