Sony TRINITRON KV-27EXR20 Service Manual page 29

[BRT LEVEL ADJUSTMENT(RV 2105)|
1) Input a color-bar signal.
2) Observe PICTURE IN PICTURE mode.
3) Adjust RV 2105(B.LEVEL)so that the signal level
between C.B.black level and Sync level becomes
same level as shown.
TP-13 a output
Oe EEE eee ee Se
LEVEL
A/D OFF SET ADJUSTMENT(RV 2200,2201
B-Y ADJUSTMENT
1) Input a color-bar signal.
2) Set to PICTURE IN PICTURE mode.
3) Connect an oscilloscope to TP-46 B.
4) Adjust RV 2200 so that the wavefront as shown in
figure.
en
B-Y® —- y—— picture blue
@ YO 7 picture white
® 7 ;—— picture green
KV-27EXR20/27EXR25
RM-Y103__ RM-Y104
R-Y ADJUSTMENT
1) Input a color-bar signal.
2) Set to PICTURE IN PICTURE mode.
3) Connect an oscilloscope to TP-46 R.
4) Adjust RV 2201 so that the wavefront as shown in
figure.
@ 7 — picture white
a— p—— picture gmen
SUB PICTURE ADJUSTMENT(FL 2205,2206
1) Input a monoscope signal.
2) Set to PICTURE IN PICTURE mode.
3) Adjust FL2205,FL2206 so that A and B are same
size.
A B
FL-2205=B side
FL-2206=A side
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