Sony KP-ER43M31, Service Manual

Page: 47 / 225

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KP-ER43M31/M61/M90/M91, ER53M31/M61/M90/M91
RM-961
5-6. 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. Enter the PAL SPCB signal, and set the DRC100 mode.
3. Set in the service mode, and select the category “PJE” and
the item “PWM2”.
4. Adjust “PWM2” so that the marker line is on monoscope
center line.
5-7. 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 : 0%
BRIGHT : 50%
If the noise of DCF (Digital Comb Filter) has an effecting
white balance adjustment, change service data as follows
while the adjustment.
OPM 06 COM : 00 t 01
(This time, beginning inspection also should be done under
some condition.)
Adjusting Parameter
Category Item
WHB 02 SBR
03 RDR
05 BDR
06 RCT
08 BCT
4. Adjust “02 SBR” so that 10 IRE section barely grows.
3. Enter the all-white pattern signal.
6. Adjust “06 RCT” and “08 BCT” so as to attain the optimum
white balance.
7. Adjust “02 SBR” so that 100 IRE section barely grows.
8. Adjust “03 RDR” and “05 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 “02 SBR” so that the border between 0 IRE and 10
IRE becomes distinct.
Marker Line
Center Line
PJE 00 00
FDIS |
5. Press “ (MUTE)”+“
-
” buttons on the commander to
write the data to the NVM.
6. Press “ (AUTO CONVERGENCE)” button on the front
panel of the set.
(The offset value is now automatically stored.)
7. Check that no error message appears.
If an error message appears, recheck. (Refer to 5-8.)
8. In the same manner, select DRC100 mode respectively, and
press the “ (AUTO CONVERGENCE)” button.
9. Enter the NTSC monoscope signal, and perform the same
steps in the DRC1250, DRC100 and DRC1250 WIDE
modes respectively.