JVC AV28WT5EPS Service Manual page 24

AV28WT5EPS AV24WT5EPS
AV28WT5EIS AV24WT5EIS
AV28WT5EKS AV24WT5EKS
IF CIRCUIT ADJUSTMENT
Measuring
Item
instrument
Adjustment of Remote
VCO control unit
VCO(CW) ***.** MHz
TOO HIGH
ABOVE REFERENCE
JUST REFERENCE
BELOW REFERENCE
TOO LOW
: EXIT
VSM PRESET ADJUST SETTING
Measuring
Item
instrument
Setting of Remote
VSM PRESET control unit
24
Test point Adjustment part
fv
YELLOW
Test point Adjustment part
1. BRIGHT
2. CONT.
3. COLOUR
4. SHARP
5. HUE
6. R DRIVE
7. B DRIVE
Setting item
1. BRIGHT
SETTING VALUE
2. CONT.
SETTING VALUE
3. COLOUR
SETTING VALUE
4. SHARP
SETTING VALUE
5. HUE
SETTING VALUE
6. R DRIVE
SETTING VALUE
7. B DRIVE
SETTING VALUE
No. 51776
" Under normal conditions, no adjustment is required.
1. Receive any broadcast.
2. Select 1.IF from the SERVICE MENU.
3. Check the characters colour of the JUST REFERENCE
displayed to yellow.
1. Select 5.VSM PRESET from the SERVICE MENU.
2. Select COOL with the MENU key of the remote control unit.
1. Adjust the FUNCTION UP/DOWN and -/+ key to bring the set
values of 1.BRIGHT ～ 7. B DRIVE to the values shown in the
table.
4. Press the MENU key and memorize the set value.
5. Respectively select the VSM PRESET mode for NORMAL and
WARM, and make similar adjustment as in 3 above.
6. Press the MENU key and memorize the set value.
$ Refer to OPERATING INSTRUCTIONS for the PICTURE
MODE.
VSM preset mode
COOL
+0
+12
+6
+0
+0
-20
+23
SETTING VALUES OF VSM PRESET
Description
Description
NORMAL WARM
+0 +0
+10 +2
+0 -2
+0 -2
+0 +0
+0 +16
+0 -13