Deflection Circuit - JVC D Series Service Manual

4.8.4 DEFLECTION CIRCUIT

Measuring
Item
instrument
V. SIZE / Signal
V. POSITION generator
Remote
control unit
Screen
size
Model name
AV-27D305/R
AV-27D305/S
Setting item
D07: V SIZE
H. POSITION Signal
generator
Remote
control unit
Setting item
D03: H POSI
Test point Adjustment part
[2.DEF(D)]
D07 : V SIZE
V. CENTER SW(S401)
[MAIN PWB]
Picture
size
(100%)
Vertical screen size
90.0%
89.0%
Initial setting value
50
[2.DEF(D)]
D03 : H POSI
Initial setting value
11
Description
(1) Receive the cross-hatch signal.
(2) Select 2.DEF(D) from the SERVICE MODE.
(3) Select the < D07 >(V SIZE).
(4) Adjust < D07 > so that the vertical screen size
become setting value in the table.
(5) Adjust the V. CENTER SW to agree the vertical
center with display center.
(1) Receive the cross-hatch signal.
(2) Select 2.DEF(D) from the SERVICE MODE.
(3) Select the < D03 >(H POSI).
(4) Adjust the < D03 > so that left width and right width
of the crosshatch screen becomes equal.
(No.YA073)1-21