Read Sony TA-DA9000ES (serv.man2) Service Manual online
22
TA-DA9000ES
Procedure:
1. Connect a color pattern generator to the VIDEO 1 S2 VIDEO
1. Connect a color pattern generator to the VIDEO 1 S2 VIDEO
IN jack (J406) on the S-VIDEO board, and connect an
oscilloscope to the COMPONENT VIDEO P
oscilloscope to the COMPONENT VIDEO P
B
/C
B
/B-Y jack and
COMPONENT VIDEO P
R
/C
R
/R-Y jack (J1305) on the
COMPONENT board. (75
Ω
terminated)
2. Enter the test mode.
3. Input color bars signal from the color pattern generator.
4. Display two waveforms of C
3. Input color bars signal from the color pattern generator.
4. Display two waveforms of C
B
and C
R
simultaneously.
5. Adjust the
[--/+]
dial so that the Vp-p value of waveforms of C
B
and C
R
both may be most set to 0.7V closely.
UP CONVERT SIGNAL LEVEL ADJUSTMENT
Enter the test mode
1. While pressing the
[INPUT MODE]
and
[DISPLAY]
buttons,
press the
I/1
button to turn on the main power.
2. It enters the test mode, and display as below figure.
2. COLOR LEVEL ADJUSTMENT
Setting:
Display
HUE
[7]
CONTRAST
[7]
COLOR
[7]
+
–
–
oscilloscope
(AC range)
set
color pattern
generator
color bars 100%
S-VIDEO board
VIDEO 1
S2 VIDEO IN jack
(J406)
VIDEO 1
S2 VIDEO IN jack
(J406)
COMPONENT board
COMPONENT
MONITOR OUT
VIDEO Y jack
(J1305)
COMPONENT
MONITOR OUT
VIDEO Y jack
(J1305)
75
Ω
1 Vp-p
Y waveform:
+
–
–
oscilloscope
(AC range)
set
color pattern
generator
color bars 100%
S-VIDEO board
VIDEO 1
S2 VIDEO IN jack
(J406)
VIDEO 1
S2 VIDEO IN jack
(J406)
COMPONENT board
COMPONENT VIDEO
MONITOR OUT
P
COMPONENT VIDEO
MONITOR OUT
P
B
/C
B
/B-Y jack
(J1305)
COMPONENT board
COMPONENT VIDEO
MONITOR OUT
P
COMPONENT VIDEO
MONITOR OUT
P
R
/C
R
/R-Y jack
(J1305)
75
Ω
75
Ω
0.7 Vp-p
C
B
waveform:
0.7 Vp-p
C
R
waveform:
+
–
–
oscilloscope
(AC range)
set
color pattern
generator
color bars 100%
S-VIDEO board
VIDEO 1
S2 VIDEO IN jack
(J406)
VIDEO 1
S2 VIDEO IN jack
(J406)
COMPONENT board
COMPONENT VIDEO
MONITOR OUT
P
COMPONENT VIDEO
MONITOR OUT
P
B
/C
B
/B-Y jack
(J1305)
75
Ω
C
B
waveform:
A
Adjust so that the height of
A and B may be located in a line
on this line.
A and B may be located in a line
on this line.
B
1. Y LEVEL ADJUSTMENT
Setting:
Procedure:
1. Connect a color pattern generator to the VIDEO 1 S2 VIDEO
1. Connect a color pattern generator to the VIDEO 1 S2 VIDEO
IN jack (J406) on the S-VIDEO board, and connect an
oscilloscope to the COMPONENT VIDEO MONITOR OUT
Y jack (J1305) on the COMPONENT board. (75
oscilloscope to the COMPONENT VIDEO MONITOR OUT
Y jack (J1305) on the COMPONENT board. (75
Ω
terminated)
2. Enter the test mode.
3. Input color bars signal from the color pattern generator.
4. Adjust the
3. Input color bars signal from the color pattern generator.
4. Adjust the
[MENU]
dial so that the Vp-p value of waveform
becomes 1 Vp-p.
3. HUE LEVEL ADJUSTMENT
Setting:
Procedure:
1. Connect a color pattern generator to the VIDEO 1 S2 VIDEO
1. Connect a color pattern generator to the VIDEO 1 S2 VIDEO
IN jack (J406) on the S-VIDEO board, and connect an
oscilloscope to the COMPONENT VIDEO P
oscilloscope to the COMPONENT VIDEO P
B
/C
B
/B-Y jack on
the COMPONENT board. (75
Ω
terminated)
2. Enter the test mode.
3. Input color bars signal from the color pattern generator.
4. Adjust the
3. Input color bars signal from the color pattern generator.
4. Adjust the
[MAIN MENU]
dial so that the waveform as bellow.
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