AV-32F703
AV-32F713
AV-32F803
ADJUSTMENT OF RF AGC
Measuring
ItemTest pointAdjustment partDescription
instrument
RF. AGCSignalS45:AGC ADJ1. Receive a black and white signal (color off).
adjustmentgenerator2. Enter to the SERVICE MENU mode.
3. Select S45:AGC ADJ of the V/C MODE.
Remote
4. Press the MUTING key and turn off the color.
control unit
5. With the FUNCTION key to get the noise in the screen
picture (zero side of setting value).
6. Press the FUNCTION key several times and step when noise
Adjustment itemInitial setting value
disappears from the screen ( at that time, not to increase the
value too much).
S45 AGC ADJ63
7. Change to the other channels and make sure that there is no
irregularity.
8. Press the MUTING key and turn the color on.
ADJUSTMENT OF FOCUS
Measuring
ItemTest pointAdjustment partDescription
instrument
FOCUSSignalFOCUS VR11. Receive the crosshatch signal.
adjustmentgeneratorFOCUS VR22. While looking at the screen, adjust the FOCUS VR1 to the
[In HVT]
horizontal line will be thinnest and sharpest center horizontal
line.
3. Then adjust the FOCUS VR2 to the vertical line looks so fine.
4. Make sure that the picture is in focus even when the screen
gets darkened.
ADJUSTMENT OF DEFLECTION CIRCUIT
Measuring
ItemTest pointAdjustment partDescription
instrument
V. HEIGHTSignalD05:V PHASE1. Receive the crosshatch signal.
V. CENTERgeneratorD07:V SIZE
2. Enter to the SERVICE MENU.
adjustmentD09:V CENTER
3. Select the D05:V PHASE of the 2.DEF (D) item, and it checks
(4:3)RemoteD11:VS CORR
control unitD13:V LINthat 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 CENTER.
(NOTE)
Bottom is to be located with 85%^95% range.
If vertical linearity is not even, adjust the D13: V LIN. and D11: VS
CORR.
ScreenPicture
Adjustment itemInitial setting value
sizesize
D05 V PHASE00
92.0%100%
D07 V SIZE65
D09 V CENTER35
D11 VS CORR11
D13 V LIN08
No. 5200423 |