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4.6.3 IF ADJUSTMENT
Measuring
Item
instrument
IF adjustment
Remote
control unit
4.6.4 AGC AUTOMATICALLY ADJUSTMENT
Measuring
Item
instrument
AGC
Remote
AUTOMATICALLY
control unit
adjustment
JVCAK30/37 B20
OSD
IF1
IF2
IF3
IF4
AGC
VLIN
RGBH
VSOF
VPOF
: 1 1
AVL
4.6.5 DEFLECTION CIRCUIT ADJUSTMENT
Measuring
Item
instrument
VERTICAL
Signal
LINEARITY
generator
adjustment
Remote
control unit
1-16 (No.52134)
Test point
Adjustment part
IF 1
IF 2
IF 3
IF 4
Test point
Adjustment part
AGC
IF INDICATOR
Test point
Adjustment part
VLIN
(1) Receive a PAL colour bar pattern.
(2) Enter the SERVICE MENU.
(3) Select IF 1 with the [ / ] key
(4) Press [BLUE] key during IF 1 is highlighted, IF 1 and
IF 2 values are adjusted automatically by software.
(5) If the standard is L-prime, IF 3 and IF 4 values are
adjustment automatically when [BLUE] key is
pressed during IF 1 is highlighted.
(1) Enter the SERVICE MENU.
(2) Receive a 60dBmV RF signal level.
(3) Select AGC with the [ / ] key.
(4) Press [BLUE] key on the remote control unit.
(5) Then the adjustment will be done automatically by
software.
(6) See the AGC indicator on SERVICE MENU, it must
be "1".
(7) Check that picture is normal at 90dBmV signal level.
AGC INDICATOR
:
1
(1) Receive a PAL B/G circle pattern.
(2) Enter the SERVICE MENU.
(3) Select VLIN with the [ / ] key.
(4) Adjust VLIN with the [ / ] key until circle as round
as possible.
Description
Description
NONE
1
Description
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