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AV-25PX
CHECK OF IF CIRCUIT
Measuring
Item
instrument
Adjustment of
Remote
control unit
VCO
VCO (CW) **
** **
**. . . . **
** MHz :CH**
** **
TOO HIGH
ABOVE REFERENCE
JUST REFERENCE
BELOW REFERENCE
TOO LOW
SETTING OF VSM PRESET
Measuring
Item
instrument
Setting of
Remote
control unit
VSM PRESET
[INITIAL SETTING VALUES OF VSM PRESET]
PICTURE MODE
ITEM
1. BRIGHT
2. CONT
3. COLOUR
4. SHARP
5. TINT
18
Test point
Adjustment part
1.IF
**
** **
YELLOW
DISP :EXIT
Test point
Adjustment part
5.VSM PRESET
1. BRIGHT
2. CONT.
3. COLOUR
4. SHARP
5. TINT
BRIGHT
+0
+17
+0
+0
+0
No. 51752
! 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.
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.
STANDARD
SOFT
+0
+0
+0
-4
+0
-1
+0
-3
+0
+0
Description
Description
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