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Set-up Adjustments; Signal Adjustment; Pal Auto Adjustment (cvbs); Pal Auto Adjustment (rgb) - Sony KDF-E42A12U Service Manual

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4-1. Signal Adjustment

Service adjustments to this model can be performed using the
supplied remote Commander RM-ED002.
How to enter into the Service Mode
1.
Turn on the power to the TV set and enter into the stand-by
mode.
2.
Press the following sequence of buttons on the Remote
Commander.
i+
5
(ON SCREEN
(DIGIT 5)
DISPLAY)
'TT—' will appear in the upper right corner of the screen.
Other status information will also be displayed.
3.
Press 'MENU' on the remote commander to obtain the following
menu on the screen.
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4.
Move to the corresponding adjustment item using the
up or down arrow buttons on the Remote Commander.
5.
Press the right arrow button to enter into the required menu item.
6.
Press the 'Menu' button on the Remote Commander to quit the
Service Mode when all adjustments have been completed.
Note :
After carrying out the service adjustments, to prevent the
customer accessing the 'Service Menu' switch the TV set OFF
and then ON.

4-1-1. PAL auto adjustment (CVBS)

1. Select AV1 and input PAL signal. (PAL CVBS: CB 75%Y/75%C
from signal generator).
2. Set the TV in Service Mode (See above) and send "TT51"
command.

4-1-2. PAL auto adjustment (RGB)

1. Select AV1 and input RGB signal. (PAL RGB: CB 100%Y/100%C
from signal generator).
2. Set the TV in Service Mode (See above) and send "TT52"
command.
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SET-UP ADJUSTMENTS

4-1-3. SECAM auto adjustment (CVBS)

1. Select AV1 and input SECAM signal. (SECAM CVBS: CB 75%Y/
75%C from signal generator).
2. Set the TV in Service Mode (See above) and send "TT53"
command.
Note :
While Auto adjustment is in process the RED LED is ON, till it
finishes.

4-2. White Balance Adjustment

4-2-1. White Balance adjustment (H/L)

1. Select AV0.
2. Change the TV to Custom Mode and set the following registers by
sending "TT54".
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3. Input PAL CVBS 60 IRE Full Field Signal to AV1.
4. Adjust Highlight registers:
NORMAL_PAL_RD (R Drive)
NORMAL_PAL_BD (B Drive)
High light adjustment value (9300K-0MPCD)
- 27 -
KF-E42/50A12U
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RM-ED002

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