JVC AV-36F802, AV-36F702, AV-32F802, AV-32F702, AV-27F802, AV-27F702, Service Manual

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AV-36F702
AV-36F802
No. 51907B 29
Item
Measuring
instrument
Test point Adjustment part Description
V CENTER and
TRAPEZIUM
adjustment Signal
generator
Remote
control unit
No.68 V CENTER
No.78 TRAPEZ Note:
Proceed to the following this adjustment after having completed the
adjustments of SUB BRIGHT and SUB CONTRAST.
1. Receive a crosshatch signal.
2. Adjust the No.68 V CENTER of the PICTURE MODE to be the same
between the CRT vertical center and crosshatch vertical center.
3. Adjust the No.78 TRAPEZ of the PICTUER MODE to be the vertical
lines straight.
4. Confirm the vertical lines to be straight. If it is not straight, adjust to
be straight at the No.78 TRAPEZ.
Signal
generator
Remote
control unit
Note:
Proceed to the following this adjustment after having completed the
adjustments of FOCUS, SUB BRIGHT, SUB CONTRAST, V CENTER,
TRAPEZIUM, V-SIZE and V-LINEARITY.
1. Receive a crosshatch signal.
2. Select the No.73 H SIZE of the PICTURE MODE.
3. Set the initial setting value of the No.73 H SIZE with the LEFT /
RIGHT key of the remote control unit.
4. Adjust the No.73 H SIZE until the horizontal screen size is 90%.
5. Adjust the No.72 H POSI until the screen will be horizontally centered.
No.73 H SIZE
No.72 H POSI
V-SIZE and
V-LINEARITY
adjustment Signal
generator
Remote
control unit
Note:
Proceed to the following this adjustment after having completed the
adjustments of SUB BRIGHT and SUB CONTRAST.
1. Receive a crosshatch signal.
2. Select the No.66 V SIZE of the PICTURE MODE to squeeze the
laster.
3. Adjust the No.65 V LIN of the PICTURE MODE to be symmetrical.
4. Adjust the No.66 V SIZE until the vertical screen size is 92%.
No.66 V SIZE
No.65 V LIN
Screen size
Picture size 100%
Screen
size 92%
Picture
size 100%
H SIZE and
H POSITION
adjustment
Screen size 90%
Picture size 100%
Screen
size
Picture
size 100%
ADJUSTMENT OF DEFLECTION