No. 52003
AV-36F703
AV-36F713
AV-36F803
23
ADJUSTMENT OF RF AGC
Item
Measuring
instrument
Test point
Ad justment part
Description
RF. AGC
adjustment
Signal
generator
Remote
control unit
S45:AGC ADJ
1. Receive a black and white signal (color off).
2. Enter to the SERVICE MENU mode.
3. Select
S45:AGC ADJ
of the V/C MODE.
4. Press the MUTING key and turn off the color.
5. With the FUNCTION key to get the noise in the screen
picture (zero s ide of s etting value).
6. Press the FUNCTION k ey several times and step when nois e
disappears from the screen ( at that time, not to increase the
value too much).
7. Change to the other channels and make s ure that there is no
irregularity.
8. Press the MUTING key and turn the color on.
ADJUSTMENT OF FOCUS
Item
Measuring
instrument
Test point
Ad justment part
Description
FOCUS
adjustment
Signal
generator
FOCUS VR1
FOCUS VR2
[In HVT]
1. Receive the crosshatch signal.
2. While looking at the screen, adjust the FOCUS VR1 to the
horizontal line will be thinnest and sharpest center horizontal
line.
3. Then adjust the FOCUS VR2 to the vertic al line looks s o fine.
4. Make sure that the picture is in focus even when the screen
gets darkened.
ADJUSTMENT OF DEFLECTION CIRCUIT
Item
Measuring
instrument
Test point
Ad justment part
Description
V. HEIGHT
V. CENTER
adjustment
(4:3)
Signal
generator
Remote
control unit
D05:V PHASE
D07:V SIZE
D09:V CENT ER
D11:VS CORR
D13:V LIN
1. Receive the crosshatch signal.
2. Enter to the SERVICE MENU.
3. Select
the
D05:V PHASE
of the 2.DEF (D) item, and it c hecks
that the value of
D05:V PHASE
is
0
.
4. Adjust the vertical screen size of the visible screen top to
92.0%
with the
D07:V SIZE
and
D09:V CENT ER
.
(NOTE)
Bottom is to be loc ated with 85%
~
95% range.
If vertical linearity is not even, adjust the
D13: V LIN
. and
D11: VS
CORR
.
Ad justment item
Initial setting value
S45 AGC ADJ
63
Picture
size
100%
Screen
size
92.0%
Ad justment item
Initial setting value
D05 V PHASE
00
D07 V SIZ E
65
D09 V CENTER
35
D11 VS CORR
11
D13 V LIN
08