Sony bg3r chassis kv-ar25m86 Manuale Di Servizio
– 30 –
KV-AR25M86
RM-993
WIDE MODE (50Hz)
4.
Input PAL color bar.
5.
Adjust condition change to WIDE MODE : ON.
6.
Using the 1 and 3 button, select category GEO
(Service Mode).
(Service Mode).
7.
Copy (item from normal mode (50Hz)) adjusted data for
the following item:
Service Item
the following item:
Service Item
GEO : 01
HSZ
H POSITION
05
VSZ
V POSITION
06
SCO
S CORRECTION
07
VLN
V LINEARITY
8.
Raise/lower data using 3 and 6 buttons, select and
adjust the following items to obtain optimum image.
adjust the following items to obtain optimum image.
Service Item
GEO : 00
HPS
H POSITION
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
9.
After confirm WIDE MODE : ON – OFF.
10.
Repeat same steps for NTSC input signal.
NORMAL MODE (60Hz)
1. Set to Service Mode.
2. Using the 1 and 4 buttons select category GEO (Service
2. Using the 1 and 4 buttons select category GEO (Service
Mode).
3. 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
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
WIDE MODE (60Hz)
4. Input monoscope signal.
5. Adjust condition change to WIDE MODE: ON.
6. Using the 1 and 4 button select category GEO (Service
5. Adjust condition change to WIDE MODE: ON.
6. Using the 1 and 4 button select category GEO (Service
Mode).
7. Copy (item from NORMAL MODE (60Hz)) adjusted data for
the following items:
Service Item
GEO : 01
HSZ
H SIZE
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
8. 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
H POSITION
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
9. After confirm WIDE MODE : ON – OFF.
Note:
For Deflection Adjustment, set PICTURE MODE to "SOFT".
4-7. H-TRAPEZOID ADJUSTMENT
1.
Receive cross hatch/dot signal.
2.
Adjust RV1801 on C6 board to make H-Trapezoid distortion
best.
best.
4-8. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
1.
Enter to Service Mode.
2.
Press commander buttons 5 and - (Data Initialize), and
2 and - (Data Copy) to initialize the data.
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 (
shows the normal picture.
In cases where items are not well adjusted, rectify the fine
adjustment.
Write the data per each item number (
[MUTING]
→ -).
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.
02" (OP3) and "OPB 03" (OP4) respectively set the bit per
model with command buttons 3 and 6.
5.
Press commander buttons 8 and - (Test Normal) to return
to the data that was set on the shipment from the factory.
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)