JVC AV28WT5EPS Service Manual page 36

AV-28WT5EKS AV-24WT5EKS
AV-28WT5EPS AV-24WT5EPS
AV-28WT5EIS AV-24WT5EIS
Measuring
Item
instrument
H. BLANKING ADJUSTMENT
Measuring
Item
instrument
Adjustment of
H.BLANKING
H
36
Test point Adjustment part
Test point Adjustment part
H.BLK
Capacitor
[On MAIN PWB]
H'
No. 51776
Description
At first the adjustment in 50Hz-PANORAMIC mode should be
done, then the data for the other zoom mode is corrected in the
respective value at the same time. And confirm the deflection
adjustment initial setting value in 60Hz( NTSC EXT mode )
PANORAMIC mode. If the adjustment in 50Hz each zoom
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.
Description
1. Receive the PAL circle pattern signal.
2. Select 4.DEF from the SERVICE MENU.
3. Select the aspect [14:9 ZOOM] mode.
4. Select 12.H-BLK-R with the FUNCTION UP/DOWN key and
adjust H-BLANKING so that 92% of the picture on the right side
is displayed.
5. Select 13.H-BLK-L with the FUNCTION UP/DOWN key and
adjust H-BLANKING so that 92% of the picture on the left side
is displayed.
6. Press the MENU key and memorize the set value.
7. Select the aspect [REGULAR] mode.
8. Select 12.H-BLK-R with the FUNCTION UP/DOWN key and
adjust H'.BLANKING so that 92% of the picture on the right side
is displayed.
9. Select 13.H-BLK-L with the FUNCTION UP/DOWN key and
adjust H-BLANKING so that 92% of the picture on the left side
is displayed.
10. Press the MENU key and memorize the set value.