Deflection Adjustments; A Board Adjustment After Ic003 (Memory) Replacement - Sony KV-EX29M93 Service Manual

7-4. DEFLECTION ADJUSTMENTS

FOR DRC 1250 (50Hz) MODE
1. Set to Service Mode.
2. Input a Pal cross hatch/dot signal.
3. Set the following condition.
Picture Mode to [DYNAMIC], Picture Rotation to [+/–0] and
Eco Mode to OFF.
4. Set to DRC-MF1250 mode.
Using the [1] and [4] button, select category GEO (Service
5.
Mode).
Raise/lower the data using the [3] and [6] buttons.
6.
Select and adjust the following items to obtain optimum
image.
Service Item
GEO : 00 VSZ
01 VPS
02 VLN
03 SCO
04 HSZ
06 PAP
07 UPN
08 LPN
09 TRZ
0A AGL
0B BOW AFC BOW
7. Using the [1] and [4] buttons select category DAC (Service
Mode).
8. Select and ad List the following items to obtain optimum
image. Raise/lower the data with the [3] and [6]
buttons.Select and adjust the following items to obtain
optimum image.
Service Item
DAC: 01 HLN
04 HTR
05 PBA
Select "GEO 04 HSZ" with the [1] and [4] buttons.
9.
10. Confirm the H Size condition. If necessary, adjust the H
Size to get a best condition.
Write into the memory by pressing [MUTING] then [0] on
11.
the remote commander.
FOR WIDE MODE, DRC1250 (50Hz)
12. Adjust condition change to WIDE MODE : ON.
13. COPY (item FOR DRC 1250 (50Hz) MODE and adjust
data for the following items.
Service Item
GEO : 00 VSZ
01 VPS
04 HSZ
14. Adjust V Blanking the following items.
Service Item
GEO : 13 VAS
14 VSC
V SIZE
V POSITION
V LINEARITY
S CORRECTION
H SIZE
PIN AMP
UPPER CORNER PIN
LOWER CORNER PIN
TRAPEZIUM
AFC ANGLE
H LINEARITY
HORIZONTAL TRAPEZIUM
PIN UNBALANCE
V SIZE
V POSITION
H SIZE
V ASPECT
V SCROLL
15. Adjust the following items.
Service Item
GEO : 02 VLN
03 SCO
05 HPS
06 PAP
07 UPN
08 LPN
09 TRZ
0A AGL
0B BOW AFC BOW
DAC : 01 HLN
04 HTR
05 PBA
16. Repeat step 5 and 6.
FOR DRC 1250 (60Hz) MODE
17. Input 525/60Hz signal.
18. Set to DRC-MF : 1250
19. COPY "DAC 00 HCT (DRC 1250, 50Hz)"
to
"DAC 00 HCT (DRC 1250, 60Hz)"
20. Adjust the Service Item listed in no. 6 and no. 8.
FOR WIDE MODE, DRC 1250 (60Hz)
21. Set to WIDE MODE : ON
Using the [1] and [4] buttons select category GEO (Service
22.
Mode).
23. Select and adjust the following items to obtain optimum
image.
Raise/lower the data with the [3] and [6] buttons.
GEO 00
01
04
24. Adjust V Blanking for the following items
GEO 13
14
25. Adjust the Service Item listed in no.15.
26. Repeat step 5 and 6
27. Input a NTSC cross hatch/dot signal and repeat all above
steps.
7-5. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) 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 items
with fine adjustment.
Write the data per each item number (
4. Select item numbers "OPB00" (OP1), "OPB01" (OP2) and
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.)
– 75 –
KV-EX29M39/EX29M87/EX34M97
KV-EX29M93/EX29M65
V LINEARITY
S CORRECTION
H POSITION
PIN AMP
UPPER CORNER PIN
LOWER CORNER PIN
TRAPEZIUM
AFC ANGLE
H LINEARITY
HORIZONTAL TRAPEZIUM
PIN UNBALANCE
VSZ V SIZE
VPS V POSITION
HSZ H SIZE
VAS V ASPECT
VSC V SCROLL
[MUTING]
+-).
RM-963
RM-964