JVC D Series Service Manual

(No.YA073)1-21
4.8.4 DEFLECTION CIRCUIT
Item
Measuring
instrument
Test point Adjustment part Description
V. SIZE /
V. POSITION
Signal
generator
Remote
control unit
[2.DEF(D)]
D07 : V SIZE
V. CENTER SW(S401)
[MAIN PWB]
(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.
H. POSITION Signal
generator
Remote
control unit
[2.DEF(D)]
D03 : H POSI
(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.
Picture
size
(100%)
Screen
size
D07: V SIZE
Setting item
Initial setting value
50
AV-27D305/R
AV-27D305/S
Model name Vertical screen size
89.0%
90.0%
D03: H POSI
Setting item
Initial setting value
11

JVC D Series Specifications

General

Display Technology	CRT
Resolution	480i
Smart TV	No
HDR Support	No
Refresh Rate	60 Hz
Aspect Ratio	4:3
Inputs	Composite, S-Video, Component
Speakers	Stereo
Manufacturer	JVC
Screen Size	27", 32", 36"
CRT Type	Flat