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AV32L5EKGY
AV32L5EIGY
Measuring
Item
instrument
Adjustment of
Signal
SCREEN VR
generator
Remote
control unit
V/C
1. RGB BLK
- / +
: STORE
OK
0 0 0 0 0 1 0 0
Screen VR adjustment
IF CIRCUIT CHECKING
Measuring
Item
instrument
Checking of
Remote
VCO
control unit
IF SERVICE MENU
1. VCO
2. ATT ON/OFF
1-2 : SELECT
VCO(CW)
MAIN
TOO HIGH
ABOVE REF
JUST REF
BELOW REF
TOO LOW
18
Test point
Adjustment part
SCREEN VR
(Within FBT)
PAL
00
i
: EXIT
CLOW status
Test point
Adjustment part
1. VCO
Do not select
this mode
i : EXIT
****MHz
i : EXIT
No. 51779
Description
1. Input the whole black signal.
2. Press the ZOOM key and select the FULL mode.
3. Select 2. V/C from the SERVICE MENU.
4. Turn the SCREEN VR clockwise from the full counterclockwise
position, and stop it at the point where "CLOW" status (marked
in figure) changes from "1" → "0" → "1" (which is indicated at
the 3rd column from the right).
5. Then turn the SCREEN VR to the counterclockwise, and stop
where "CLOW" status change "1" → "0".
Description
" Under normal conditions, no adjustment is required.
Confirmation adjustment.
1. Receive any broadcast.
2. Select 1.IF from the SERVICE MENU.
3. Then select 1.VCO from the IF SERVICE MENU.
4. In the VCO adjustment screen, the yellow allow point to the
characters. Check the allow position where pointed to the
character from "ABOVE REF" to "BELLOW REF".
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