H-Trapezoid Adjustment; A Board Adjustment After Ic003 Replacement - Sony KV-XA25M50 Service Manual

NORMAL MODE (60Hz)
11. Input 525/60Hz signal.
12. Using the 1 and 4 buttons select category GEO (Service
Mode).
13. Select and adjust the following items to obtain obtimum
image.
Raise/lower the data with the 3 and 6 buttons.
Service Item
GEO : 00 HPS
01 HSZ
02 PAP
03 TLT
04 VPS
05 VSZ
06 SCO
07 VLN
08 BOW AFC BOW
09 AGL
0A UPN
0B LPN
WIDE MODE (60Hz)
14. Input monoscope signal.
15. Adjust condition change to WIDE MODE: ON.
16. Using the 1 and 4 button select category GEO (Service
Mode).
17. Copy (item from NORMAL MODE (60Hz)) adjusted data
for the following items:
Service Item
GEO : 01 HSZ
05 VSZ
06 SCO
07 VLN
18. Raise/lower the data with the 3 and 6 buttons. Select and
adjust the following items to obtain optimum image.
Service Item
GEO : 00 HPS
02 PAP
03 TLT
04 VPS
08 BOW AFC BOW
09 AGL
0A UPN
0B LPN
19. After confirm WIDE MODE : ON – OFF.
Note:
For Deflection Adjustment, set PICTURE MODE to "SOFT".
H POSITION
H SIZE
PIN AMP
TILT
V POSITION
V SIZE
S CORRECTION
V LINEARITY
AFC ANGLE
UPPER CORNER PIN
LOWER CORNER PIN
H SIZE
V SIZE
S CORRECTION
V LINEARITY
H POSITION
PIN AMP
TILT
V POSITION
AFC ANGLE
UPPER CORNER PIN
LOWER CORNER PIN

5-6. H-TRAPEZOID ADJUSTMENT

1. Receive cross hatch/dot signal.
2. Adjust RV1801 on C6 board to make H-Trapezoid
distortion best.
5-7. A BOARD ADJUSTMENT AFTER IC003
REPLACEMENT
1. Enter to Service Mode.
Press commander buttons 5 and - (Data Initialize), and
2.
2 and - (Data Copy) to initialize the data.
3. Call each item number and check if the respective screen
shows the normal picture.
In cases where items are not well adjusted, rectify the fine
adjustment.
Write the data per each item number (
4. Select item numbers "OPB00" (OP1), "OPB01" (OP2),
"OPB 02" (OP3) and "OPB 03" (OP4) respectively set the
bit per model with command buttons 3 and 6.
Press commander buttons 8 and - (Test Normal) to return
5.
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
– 81 –
KV-XA25M50/XA25M80/XA29M50
KV-XA29M80/XA29M90/XA29N90
RM-954
[MUTING]
RM-954
RM-914
+-).