JVC AV-25P8(PH) Service Manual page 37

Measuring

Item

instrument

AUDIO CIRCUIT ADJUSTMENT

Do not adjust 3.AUDIO(1. ERROR LIMIT, 2. A2 ID THR, 3. BASS, 4. TREBLE) of the SERVICE MENU as it requires no adjustment.

3. AUDIO [Do not adjust]

Setting item

1. ERROR LIMIT

2. A2 ID THR

3. BASS

4. TREBLE

Test point

Adjustment part

Variable range

000H ～ FF0H

00H ～ FFH

-17 ～ +17

No. 51752

Description

At first the adjustment in 50Hz-REGULAR mode should be

done, then the data for the other aspect mode is corrected in

the respective value at the same time. And confirm the

deflection adjustment initial setting value in 60Hz( NTSC Video

mode ) REGULAR mode. If the adjustment in 50Hz each aspect

mode has been done and stored, the data for the same aspect

modes in 60Hz is corrected in the respective value. Only the

data for the other aspect mode in 60Hz is corrected for itself.

AV-25PX

fixed value

100H

14H

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