KV-G21MW3 - Sony TV Service Manual (repair manual). Page 16

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– 16 –
KV-G21MW3/G21QW3
RM-869
3-4. REMOTE COMMANDER ADJUSTMENT
a. AN ITEM OF ADJUSTMENT
b. METHOD OF CANCELLATION FROM SERVICE
MODE
Set the standby condition (Press 
POWER
 button on the
commander) and then press 
POWER
 button again, hereupon it
becomes TV mode.
c. METHOD OF WRITE FOR MEMORY
1) Set to Service Mode.
2) Press 1 (UP) and 4  (DOWN) to select an item of adjustments.
3) Press 
MUTING
 button and it will indicate WRITE on screen.
4) Press  -  button to write into memory.
d. MEMORY WRITE CONFIRMATION METHOD
1) After adjustment, pull out the plug from AC outlet, and then
plug into AC outlet again.
2) Turn the power switch ON and set to Service Mode.
3) Call the adjusted items again, confirm they were adjusted.
Note
WHITE POINT R
WHITE POINT G
WHITE POINT B
Initial DATA
28
20
20
3-5. G2 (SCREEN) AND WHITE BALANCE
ADJUSTMENTS
1. G2 (SCREEN) ADJUSTMENT (RV701)
1) Set the PICTURE and BRIGHTNESS to normal.
2) Put to VIDEO input mode without signals.
3) Connect R, G and B of the C board cathode to the oscilloscope.
4) Adjust G2 (RV701) volume to the value below.
Item
number
09
0A
0B
Adjustment
Item
RDR
GDR
BDR
177 ± 2 V DC
2. WHITE BALANCE ADJUSTMENTS
1) Set to Service Mode.
2) Input an entire white signal.
3) Set the PICTURE to maximum.
4) Select RDR(09) with  1  and  4 , and then set the level to 25
with  3  and  6 .
5) Select GDR(0A) and BDR(0B) with  1  and  4, and adjust
the level with  3  and  6  for the best white balance.
6) Write into the memory by pressing 
MUTING
 , then  - .
SERVICE
MUTING
1 F
RDR
09
60
00
V3.2C
058S/
060S
60
00
V3.2C
058S/
060S
OEM CODE
PAL or 
NTSC
German A2 Stereo
Software Version #
WRITE
1 F
RDR
09
0
Executes the writing
Green
WRITE
1 F
RDR
09
0
Executes the writing
(bottom line disappears)
0 V
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