Read Sony STR-DA3100ES Service Manual online
14
STR-DA3100ES
UP CONVERT SIGNAL LEVEL ADJUSTMENT
Enter the test mode
1. In the standby status, press the
1. In the standby status, press the
I/1
button while pressing the
[INPUT MODE]
and
[DISPLAY]
buttons.
2. It enters the test mode, and display as below figure.
1. Y Level Adjustment
Setting:
Setting:
Procedure:
1. Connect a color pattern generator to the DVD IN S2 VIDEO IN
1. Connect a color pattern generator to the DVD IN S2 VIDEO IN
jack (J202) on the S-VIDEO board, and connect an oscilloscope
to the COMPONENT VIDEO ASSIGNABLE MONITOR OUT
Y jack (J3301) on the VIDEO board.
to the COMPONENT VIDEO ASSIGNABLE MONITOR OUT
Y jack (J3301) on the VIDEO board.
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.
2. Color Level Adjustment
Setting:
Setting:
Procedure:
1. Connect a color pattern generator to the DVD IN S2 VIDEO IN
1. Connect a color pattern generator to the DVD IN S2 VIDEO IN
jack (J202) on the S-VIDEO board, and connect an oscilloscope
to the COMPONENT VIDEO ASSIGNABLE MONITOR OUT
P
to the COMPONENT VIDEO ASSIGNABLE MONITOR OUT
P
B
/C
B
/B-Y jack and COMPONENT VIDEO ASSIGNABLE
MONITOR OUT P
R
/C
R
/R-Y jack (J3301) on the VIDEO board .
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.
3. HUE Level Adjustment
Setting:
Setting:
Procedure:
1. Connect a color pattern generator to the DVD IN S2 VIDEO IN
1. Connect a color pattern generator to the DVD IN S2 VIDEO IN
jack (J202) on the S-VIDEO board, and connect an oscilloscope
to the COMPONENT VIDEO ASSIGNABLE MONITOR OUT
P
to the COMPONENT VIDEO ASSIGNABLE MONITOR OUT
P
B
/C
B
/B-Y jack (J3301) on the VIDEO board ..
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.
Display
HUE
[7]
CONTRAST
[7]
COLOR
[7]
1 Vp-p
Y waveform:
0.7 Vp-p
C
B
waveform:
0.7 Vp-p
C
R
waveform:
C
B
waveform:
B
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.
+
–
–
oscilloscope
(AC range)
set
color pattern
generator
color bars 100%
S-VIDEO board
DVD IN
S2 VIDEO IN jack
(J202)
DVD IN
S2 VIDEO IN jack
(J202)
VIDEO board
COMPONENT VIDEO
ASSIGNABLE
MONITOR OUT
Y jack
(J3301)
COMPONENT VIDEO
ASSIGNABLE
MONITOR OUT
Y jack
(J3301)
+
–
–
oscilloscope
(AC range)
set
color pattern
generator
color bars 100%
S-VIDEO board
DVD IN
S2 VIDEO IN jack
(J202)
DVD IN
S2 VIDEO IN jack
(J202)
VIDEO board
COMPONENT VIDEO
ASSIGNABLE
MONITOR OUT
P
COMPONENT VIDEO
ASSIGNABLE
MONITOR OUT
P
B
/C
B
/B-Y jack
(J3301)
VIDEO board
COMPONENT VIDEO
ASSIGNABLE
MONITOR OUT
P
COMPONENT VIDEO
ASSIGNABLE
MONITOR OUT
P
R
/C
R
/R-Y jack
(J3301)
+
–
–
oscilloscope
(AC range)
set
color pattern
generator
color bars 100%
S-VIDEO board
DVD IN
S2 VIDEO IN jack
(J202)
DVD IN
S2 VIDEO IN jack
(J202)
VIDEO board
COMPONENT VIDEO
ASSIGNABLE
MONITOR OUT
P
COMPONENT VIDEO
ASSIGNABLE
MONITOR OUT
P
B
/C
B
/B-Y jack
(J3301)
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