Sharp LC-37GD9E Service Manual page 19

Lcd colour television
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LC-26GA5E
LC-26GA5E
LC-32GD9E
LC-32GA8/LC-32BV8
LC-32GA5E
LC-37GA8/LC-37BV8
LC-32GA5E
LC-37GD9E
5.4. RF AGC Adjustment (SMPTE RF SIGNAL- Alternative Method)
Adjustment Point
1
Setting
2
Auto adjustment
performance
5.5. PAL Signal & Tuner Adjustment
Adjustment Point
1
Setting
2
Auto adjustment
performance
5.6. PAL Signal & Tuner Adjustment (SMPTE RF SIGNAL-Alternative Method)
Adjustment Point
1
Setting
2
Auto adjustment
performance
Adjustment conditions
[Signal]
PAL
SMPTE Field Color Bar
RF signal
[Terminal]
TUNER
Adjustment process page 6.
Adjustment conditions
[Signal]
PAL
FULL Field Color Bar
Composite or RF signal
[Terminal]
EXT3 VIDEO IN
TUNER
Adjustment process page 3.
Adjustment conditions
[Signal]
PAL
FULL Field Color Bar
Composite or
signal
RF SMPTE
[Terminal]
EXT3 VIDEO IN
TUNER
Adjustment process page 6.
Adjustment procedure
• Feed the PAL SMPTE color bar signal (E-12ch) to TUNER.
Signal level: 50 ±1dB µV (75Ω LOAD)
[TUNER]
↑ 100% white
Bring the cursor on [▪RF AGC ADJ] and press [OK].
[▪RF AGC ADJ OK] appears when finished.
Adjustment procedure
• Feed the PAL full field color bar signal (75% color saturation) to
EXT3 VIDEO IN.
• Feed the RF signal PAL color bar (E-12) to TUNER.
• Make sure the PAL color bar pattern (E-12) has the sync level of 7:3
with the picture level.
[EXT 3]
↑ 100% white
Bring the cursor on [▪PAL +TUNER ADJ] and press [OK].
[▪PAL+ TUNER ADJ OK] appears when finished.
Adjustment procedure
• Feed the PAL full field color bar signal (75% color saturation) to
EXT3 VIDEO IN.
• Feed the RF signal SMPTE color bar (E-12) to TUNER.
• Make sure the SMPTE color bar pattern (E-12) has the sync level of
7:3 with the picture level.
[EXT 3]
↑ 100% white
Bring the cursor on [▪PAL +TUNER ADJ] and press [OK].
[▪PAL+ TUNER ADJ OK] appears when finished.
18
18
[TUNER]
↑ 100% white
[TUNER]
↑ 100% white

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