Sub-Hue, Sub-Color And Main Contrast Adjustment (Mc-Mydr, Mshu, Mscl, Sc-Sshu,Sscl); Bar Display Position Adjustment (Op-Disp); Pip Position Adjustment (Pi-Piph, Pipv) - Sony KP-XA43N90J Service Manual

4-5. PIP SUB-HUE AND SUB-COLOR ADJUSTMENT
(PYC-PHUE, PCOL)
1. Receive the color-bar signal.
VIDEO input
2. Mode
PICTURE
COLOR
BRIGHTNESS
COLORTEMP
3. Set to service mode and select the PIP mode.
4. Connect an oscilloscope between pin 5 of CN204 (A board)
connecter and ground.
5. Select " PYC-PHUE, PCOL ", and adjust them to have VB1
= VB4 and VB2 = VB3 in the waveform levels.
6. Write the data into memory.
MUTING n ENTER
Fig. 4-5
4-6. BAR DISPLAY POSITION ADJUSTMENT
(OP-DISP)
1. Receive the monoscope signal.
2. Set to service mode.
3. Push " PICTURE +" . (Bar is displayed)
4. Select " OP-DISP " , and adjust so that the bar is as shown in
the figure.
5. Write the data into memory.
MUTING n ENTER
X1
X1 = X2
Fig. 4-6
: Personal 1 or 2.
: maximum
: center
: center
: neutral
VB1 VB2 VB3 VB4
X2
4-7. PIP POSITION ADJUSTMENT
(PIP-POFV, POFH)
1. Set the PIP mode.
2. Receive the monoscope signal on the main/sub picture.
3. Check the sub picture position.
X1-X2
X1-X2
4. If necessary set to service mode and adjust "PIPH", "PIPV".
5. Write the data into memory.
MUTING n ENTER
X1
– 22 –
KP-XA43N90J
0.25sq
0.25sq
Y1
Y2
X2
Fig. 4-7
RM-Y906