Daewoo DV-K580NZ-T service manual Video Circuit Adjustment Method, EE Level

Models: DV-K580NZ-T

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ELECTRICAL ADJUSTMENT

2.VIDEO CIRCUIT ADJUSTMENT METHOD

(1) EE LEVEL

Adjustment Parts

Checking Point

Measuring Equipment

Test Tape

Input Signal

 

 

 

 

 

R395

TJ396

Signal Gen. Oscilloscope

-

Color Bar

 

 

 

 

 

vCONNECTION METHOD

TJ302

EE

 

 

R395

TJ396

CH-1

 

 

Oscilloscope

 

CH-2

 

SIGNAL

 

GENERATOR

vADJUSTMENT PROCEDURE

1)Supply the Color Bar Signal to the VIDEO IN JACK, and set the VCR to the STOP mode.

2)Connect the oscilloscope to TJ396 and trigger the scope with a composite sync signal at TJ302.

3)Adjust R395 to obtain 2.0Vp-p ± 0.2Vp-p between the SYNC Tip and 100% white level

TJ395

2.0V 0.2Vp-p

Horizontal :10 s/div Vertical :0.1V/div

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Daewoo DV-K580NZ-T service manual Video Circuit Adjustment Method, EE Level