Focus Srcsccrrssscsrresscsseersesseccenessensccsenscesaencces; White Balance Serrrrrsescsssstreeseeeseeeeeccenececcere Ess - Sony TRINITRON KV-S3411A Service Manual

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| KV-S341
(4) Screen corner convergence
3-4. WHITE BALANCE
If you cannot adjust corner convergence properly,
Screen G2 Setting
correct them with permalloy.
. Input the dot signal from the pattern generator.
no
Set the picture brightness control to its lowest level.
Apply 180V DC to the R,G, and B cathodes with an
external power supply.
a
4, While watching the picture, adjust G 2 control RV
ed
White balance adjustment
1. Receive all-white signal.
2. Enter into service mode. (Refer to the section 4
"Electrical
Adjustment"
to how
to enter service
mode.)
3. Select CXA 1587S on menu.
Install the permalloy assembly
for the section with faulty.
CXA 1587S
SUB BRIGHT
VM LEVEL
2
NRUEVeL
+o ~_|
ABLMODE___-|__o |
Permalloy
. Set picture to MAX.
. Adjust G-DRIVE B-DRIVE with [Z], ©] buttons so
that the white balance becomes optimum.
6. Press[OK] button to write the data for each item.
7. Set picture to MIN.
8. Adjust G-AUTO CUT OFF, B-AUTO CUT OFF, R
FOCUS
-MANUAL CUT OFF, G-MANUAL CUT OFF and
B-MANUAL
CUT
OFF with
[i], EZ] buttons so
that the white balance becomes optimum.
9. Press [OK] button to write the data for each item.
3-3. FOCUS
Adjust the focus to optimize the screen.
rem No]
[09 |
aed
[a8]
=
i

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