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XV-C2E
17
No.
Adjustment Item
Adjustment Conditions
Adjustment Procedure
12
D/A output level
adjustment
(PAL)(DAC)
adjustment
(PAL)(DAC)
1. Receive the PAL 10-step pattern signal.
2. Connect the dual-beam oscilloscope
between pin (5) of P4201 and GND.
3. Select the following subject.
Group : VIDEO 1
Subject : DAVREF
• Using the
'
and
"
keys, adjust the
difference between the 100% white
level and the pedestal level to
0.7±0.05 Vp-p.
level and the pedestal level to
0.7±0.05 Vp-p.
15
Gain
adjustment (1)
(DAC) (standard
video, gamma
correction off)
adjustment (1)
(DAC) (standard
video, gamma
correction off)
1. Receive the NTSC 10-step pattern
signal.
2. Connect the dual-beam oscilloscope
between pin (2) of P4303 and GND.
3. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group :
VIDEO 2
Subject : DRIVE 1
4. Connect the dual-beam oscilloscope
between pin (1) of P4303 and GND.
Subject: R-DRIVE
5. Next connect the dual-beam
oscilloscope between pin (3) of P4303
and GND.
and GND.
Subject: B-DRIVE
• Using the
'
and
"
keys, adjust the
difference between the 100% white
level and the pedestal level to
1.55±0.05 Vp-p.
level and the pedestal level to
1.55±0.05 Vp-p.
(DRIVE1, R-DRIVE, B-DRIVE)
13
Signal center
adjustment
(DAC) (gamma
correction off)
adjustment
(DAC) (gamma
correction off)
1. Receive the NTSC 10-step pattern
signal.
2. Connect the dual-beam oscilloscope
between pin (2) of P4303 and GND.
3. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group : VIDEO 2
Subject : SIG CTR
• Using the
'
and
"
keys, adjust the
center level of the waveform to DC
7.0±0.1 Vp-p.
7.0±0.1 Vp-p.
14
Reference level
adjustment
(DAC) (gamma
correction off)
adjustment
(DAC) (gamma
correction off)
1. Receive the NTSC 10-step pattern
signal.
2. Connect the dual-beam oscilloscope
between pin (2) of P4303 and GND.
3. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group :
VIDEO 2
Subject : SUB-BIAS
4. Connect the dual-beam oscilloscope
between pin (1) of P4303 and GND.
Subject : R-BIAS
5. Next connect the dual-beam
oscilloscope between pin (3) of P4303
and GND.
and GND.
Subject : B-BIAS
• Using the
'
and
"
keys, adjust the
difference between the waveform’s
reference level and the signal center
level to DC 2.0±0.1 Vp-p.
reference level and the signal center
level to DC 2.0±0.1 Vp-p.
(SUB-BIAS, R-BIAS, B-BIAS)
Waveform center level
GND
Waveform center level
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