Read Sharp XV-C2E (serv.man3) Service Manual online
XV-C2E
19
No.
Adjustment Item
Adjustment Conditions
Adjustment Procedure
19
Tint (DAC)
1. Receive the NTSC half-colour bar
signal.
2. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group : VIDEO 2
Subject : TINT
3. Connect the dual-beam oscilloscope
between pin (5) of P803 and GND.
• Using the
'
and
"
keys, adjust the
-(B-Y) signal waveform to slope
down straight.
down straight.
20
NTSC colour
(DAC) (gamma
correction on)
(DAC) (gamma
correction on)
1. Receive the NTSC half-colour bar
signal.
2. Connect the dual-beam oscilloscope
between pin (1) of P4303 and GND.
3. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group:
VIDEO 2
Subject: COLOR
• Using the
'
and
"
keys, adjust the
difference between the primary red
level and the 100% white level to
0.1±0.05 Vp-p.
level and the 100% white level to
0.1±0.05 Vp-p.
21
PAL colour
(DAC) (gamma
correction on)
(DAC) (gamma
correction on)
1. Receive the PAL half-colour bar signal.
2. Connect the dual-beam oscilloscope
between pin (1) of P4303 and GND.
3. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group : VIDEO 2
Subject : PAL-COLOR
• Using the
'
and
"
keys, adjust the
difference between the primary red
level and the 100% white level to
0.25±0.05 Vp-p.
level and the 100% white level to
0.25±0.05 Vp-p.
22
SECAM colour
(DAC) (gamma
correction on)
(DAC) (gamma
correction on)
1. Receive the SECAM half-colour bar
signal.
2. Connect the dual-beam oscilloscope
between pin (1) of P4303 and GND.
3. Press S2001 to call up the ADJ IN
mode and select the following subject.
Group :
VIDEO 2
Subject : SECAM-COLOR
• Using the
'
and
"
keys, adjust the
difference between the 100% white
level and the primary red level to
0.25±0.05 Vp-p.
level and the primary red level to
0.25±0.05 Vp-p.
100% white
Primary red
100% white
Primary red
100% white
Primary red
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