Sony STR-DA3200ES Service Manual page 29

UP CONVERT SIGNAL LEVEL ADJUSTMENT
Enter the test mode
1. In the standby status, press the [POWER] button while pressing
the [2CH] and [TONE MODE] buttons.
2. It enters the test mode, and display as below figure.
Display
HU[ 7]CON[ 7]COL[ 7]
1. Y Level Adjustment
Setting:
VIDEO board
COMPONENT VIDEO
MONITOR OUT
S-VIDEO board Y jack
DVD S VIDEO IN
(J6101)
jack
(J6902)
color pattern
set
generator
color bars 100%
Procedure:
1. Connect a color pattern generator to the DVD S VIDEO IN
jack (J6902) on the S-VIDEO board, and connect an
oscilloscope to the COMPONENT VIDEO MONITOR OUT
Y jack (J6101) on the VIDEO board.
2. Enter the test mode.
3. Input color bars signal from the color pattern generator.
4. Adjust the [TUNING] dial so that the Vp-p value of waveform
becomes 1 Vp-p.
Y waveform:
2. Color Level Adjustment
Setting:
VIDEO board
COMPONENT VIDEO
MONITOR OUT
P /C jack
B B
oscilloscope
(J6101)
(AC range)
S-VIDEO board
DVD S VIDEO IN jack
(J6902)
color pattern
set
generator
color bars 100%
VIDEO board
COMPONENT VIDEO
MONITOR OUT
P /C jack
R R
(J6101)
Procedure:
1. Connect a color pattern generator to the DVD S VIDEO IN
jack (J6902) on the S-VIDEO board, and connect an
oscilloscope to the COMPONENT VIDEO MONITOR OUT
P /C jack and COMPONENT VIDEO MONITOR OUT P
B B
C jack (J6101) on the VIDEO board .
R
STR-DA3200ES/DG1000
2. Enter the test mode.
3. Input color bars signal from the color pattern generator.
4. Display two waveforms of C
B
5. Adjust the [INPUT SELECTOR] dial so that the Vp-p value of
waveforms of C and C both may be most set to 0.7V closely.
B R
C waveform:
B
oscilloscope
C waveform:
R
(AC range)
+
–
3. HUE Level Adjustment
Setting:
VIDEO board
COMPONENT VIDEO
MONITOR OUT
S-VIDEO board
P /C jack
B B
DVD S VIDEO IN jack
(J6101)
(J6902)
color pattern
set
generator
color bars 100%
1 Vp-p Procedure:
1. Connect a color pattern generator to the DVD S VIDEO IN
jack (J6902) on the S-VIDEO board, and connect an
oscilloscope to the COMPONENT VIDEO MONITOR OUT
P /C jack (J6101) on the VIDEO board.
B B
2. Enter the test mode.
3. Input color bars signal from the color pattern generator.
4. Adjust the [TONE] dial so that the waveform as bellow.
C waveform:
B
B
A
+
–
Adjust so that the height of
A and B may be located in a line
on this line.
/
R
and C simultaneously.
R
0.7 Vp-p
0.7 Vp-p
oscilloscope
(AC range)
+
–
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STR-DA3200ES/DG1000