JVC AV-20N83/BK Service Manual page 30

AV-20N83
AV-21D83
[COMPRESS (16 : 9) : OFF, fv: 60Hz mode ]
Measuring
Item
instrument
Adjustment Signal
of generator
V. SLOPE
Remote
control unit
Signal
Adjustment
of generator
V. POSITION
Remote
control unit
30
Test point Adjustment part
1. VER. SLOPE
A
Blanking
line
B
3. VER. POSITION
A
B
No. 52076
Description
1. Receive a NTSC circle pattern signal of vertical frequency 60Hz.
2. Select 3. DEF from the SERVICE MENU.
3. Select 1. VER. SLOPE with the MENU &/^ key.
4. Set the initial setting value of 1. VER. SLOPE with the MENU */T
key.
5. Adjust 1. VER. SLOPE to make "A = B" with the MENU */Tkey.
6. Select 3. VER. POSITION with the MENU &/^ key.
7. Set the initial setting value of 3. VER. POSITION with the MENU
*/Tkey.
8. Adjust 3. VER. POSITION to make "A = B" with the MENU */Tkey.
(to be continued)