ELECTRICAL ADJUSTMENT

(5) C RECORD CURRENT

Adjustment Parts

Check Point

Measuring Equipment

Test Tape

Input Signal

R492

TJ491

Signal Gen. Oscilloscope

Blank Tape

Color Bar

 

 

 

 

 

vCONNECTION METHOD

R492

 

R491

TJ491

 

REC-C

 

TJ302

 

 

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 REC mode.

2)Connect the oscilloscope to TJ491 and trigger the scope with a composite sync signal at TJ302.

3)Adjust R491 until Y-FM record current is minimized.

4) Adjust R492 until color record current is 130 ± 10mVp-p.

Burst

 

TJ491

130 10mVp-p

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Daewoo DV-K580NZ-T service manual Record Current