Read Sony KV-21FS140 (serv.man4) Service Manual online
KV-21FS140
KV-21FS140
15
2-4. SCREEN (G2)
1. Before beginning adustment procedure:
-Set Picture and Brightness to “STANDARD”.
-Set TV to Video mode.
-Set WHBL 016 “RGBB” to 01
2. Connect R, G, B of the C/CV board cathode to oscilloscope.
3. Adjust Brightness to obtain the cathode value to the value shown
below:
165
± 2VDC
4. Adjust SCREEN VR on the FBT until the scanning line disappears.
5. Set WHBL 16 “RGBB” back to 00.
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