ICF-CD555TV - Sony Audio Service Manual (repair manual). Page 18

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18
ICF-CD555TV
5-7-7. B-SUB  BRT (B-CH  SUB  BRIGHT)  ADJUSTMENT

Adjusting Procedure:
1. Connect an oscilloscope of 1 step voltage to the TP1960 on
the TV board.
2. Adjust the
.
/
>
keys so that the G level of the wave-
form on the oscilloscope is 1.0 
± 0.1 Vp-p.
5-7-8. R-SUB  CONT (R-CH  SUB  CONTRAST)
ADJUSTMENT

Adjusting Procedure:
1. Connect an oscilloscope of 10 step voltage to the TP1958 on
the TV board.
2. Adjust the
.
/
>
keys so that the D level of the wave-
form on the oscilloscope is 3.25 
± 0.1 Vp-p.
5-7-9. B-SUB  CONT (B-CH  SUB  CONTRAST)
ADJUSTMENT

Adjusting Procedure:
1. Connect an oscilloscope of 10 step voltage to the TP1960 on
the TV board.
2. Adjust the
.
/
>
keys so that the D level of the wave-
form on the oscilloscope is 3.25 
± 0.1 Vp-p.
5-7-3. Y  GAIN (LUMINANCE  SIGNAL  CONTRAST
LEVEL)  ADJUSTMENT

Adjusting Procedure:
1. Connect an oscilloscope to the TP1959 on the TV board.
2. Adjust the
.
/
>
keys so that the D level of the wave-
form on the oscilloscope is 3.25 
± 0.1 Vp-p.
5-7-4. BLACK  LIMIT (BLACK  LIMITER  LEVEL)
ADJUSTMENT

Adjusting Procedure:
1. Connect an oscilloscope to the TP1959 on the TV board.
2. Adjust the
.
/
>
keys so that the E level of the wave-
form on the oscilloscope is 1.0 
± 0.1 Vp-p.
5-7-5. WHITE  LIMIT (WHITE  LIMITER  LEVEL)
ADJUSTMENT

Adjusting Procedure:
1. Connect an oscilloscope to the TP1959 on the TV board.
2. Adjust the
.
/
>
keys so that the F level of the wave-
form on the oscilloscope is 3.9 
± 0.05 Vp-p.
5-7-6. R-SUB  BRT (R-CH  SUB  BRIGHT)  ADJUSTMENT

Adjusting Procedure:
1. Connect an oscilloscope of 1 step voltage to the TP1958 on
the TV board.
2. Adjust the
.
/
>
keys so that the G level of the wave-
form on the oscilloscope is 1.0 
± 0.1 Vp-p.
G
0V
G
0V
D
0V
D
0V
F
0V
D
0V
D
0V
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