JVC AV28R100EKS, Service Manual

Page: 51 / 93

No. 51754
AV-29RF6
19
CHECK OF IF CIRCUIT
Item
Measuring
instrument
Test point Adjustment part Description
Adjustment of
VCO
Remote
control unit 1.IF
!
Under normal conditions, it is no adjustment required.
!
It must not adjust without broadcast signal.
1. Select 1.IF from the SERVICE MENU, then displays the VCO
adjustment screen.
2. Check the characters colour of the JUST REFERENCE
displayed to yellow.
SETTING OF VSM PRESET
Item
Measuring
instrument
Test point Adjustment part Description
Setting of
VSM PRESET
Remote
control unit 5.VSM PRESET
1. BRIGHT
2. CONT.
3. COLOUR
4. SHARP
5. TINT
1. Select 5.VSM PRESET from the SERVICE MENU.
2. Select PICTURE MODE to BRIGHT in the user setting MENU.
3. Adjust the MENU UP/DOWN and -LEFT/RIGHT key to bring the
set values of 1.BRIGHT
～
5. TINT to the values shown in the
table.
4. Press the OK key and memorize the set value.
5. Respectively select the PICTURE MODE to STANDARD and
SOFT, and make similar setting as in 3 above.
6. Press the OK key and memorize the set value.
VCO (CW)
** ** ** **
.
** ** ** **
MHz : CH
** ** ** **
TOO HIGH
ABOVE REFERENCE
JUST REFERENCE
BELOW REFERENCE
TOO LOW
DISP : EXIT
[INITIAL SETTING VALUES OF VSM PRESET]
PICTURE MODE
ITEM
BRIGHT STANDARD SOFT
1. BRIGHT
+0 +0 +0
2. CONT +17 +0 -4
3. COLOUR +0 +0 -1
4. SHARP +0 +0 -3
5. TINT +0 +0 +0
YELLOW