Auto Convergence Setting; Blue Offset Adjustment; White Balance Adjustment - Sony KP-FX43M31 Service Manual

3-13. AUTO CONVERGENCE SETTING

This adjustment must be performed after the registration adjust-
ment was made or after readjustment was made by any reason.
1. Darken the periphery of this set.
2. Receive the 50Hz (PAL) signal.
3. Set in the service mode.
4. Press " (AUTO CONVERGENCE)" button on the front
panel of the set.
(The offset value is now automatically stored.)
5. Check that no error message appears.
If an error message appears, recheck.
6. Enter the NTSC monoscope signal, and perform the same
steps in the PAL modes respectively.

3-14. BLUE OFFSET ADJUSTMENT

This adjustment must be ending the G2 adjustment .
1. Receive the HD(1080i/60Hz Black) signal into component
in terminal.
2. Set PICTURE 100%, others are normal, DRC1250/60Hz.
3. Adjust with SLN so that the blue reference pulse peak volt-
age of B100 terminal (CN1100) enters into standard.
Item : GE2 03 SLN
GND (0V)
V
4. Write the adjustment value in the NVM area of each mode
after the adjustment.
DRC1250
(60 Hz)
BLUE REFERENCE PULSE
(CN1100 B5 B100)
2.2 ± 0.1V
TWIN
(60 Hz)
DRC1250
(50 Hz)
DRC100
(60 Hz)
DRC100
(50 Hz)
DRC100
V Comp
(60 Hz)
DRC100
V Comp
(50 Hz)
DRC1250
V Comp
(60 Hz)
DRC1250
V Comp
(50 Hz)
HD(1080i)
(60 Hz)
HD(1080i)
(50 Hz)

3-15. WHITE BALANCE ADJUSTMENT

1. Enter the monoscope signal.
2. Set in the service mode.
3. Press "MENU" button on the commander to select "A/V
CONTROL" b "PICTURE MODE" b "ADJUST".
Adjustment Condition
PICTURE MODE : PERSONAL
PICTURE
BRIGHT
If the noise of DCF (Digital Comb Filter) has an effecting
white balance adjustment, change service data as follows
while the adjustment.
OPM 00 COM :
(This time, beginning inspection also should be done under
some condition.)
Adjusting Parameter
Category
WHB
4. Adjust "03 SBR" so that 10 IRE section barely grows.
5. Enter the all-white pattern signal.
6. Adjust "07 RCT" and "09 BCT" so as to attain the optimum
white balance.
7. Adjust "03 SBR" so that 100 IRE section barely grows.
8. Adjust "04 RDR" and "06 BDR" so as to attain the optimum
white balance.
9. Repeatedly adjust the white balance for the minimum and
maximum picture setting.
10. Enter the monoscope signal, and select "SAJ 00 PIC", and set
the data to "00".
11. Adjust "03 SBR" so that the border between 0 IRE and 10 IRE
becomes distinct.
– 54 –
KP-FX43M31/M61/M91
KP-FX53M31/M61/M91
: 0%
: 50%
00 t
01
Item
03 SBR
04 RDR
06 BDR
07 RCT
09 BCT
RM-998