11
11
STR-DA2100ES
STR-DA2100ES
SECTION 5
ELECTRICAL ADJUSTMENTS
OSD ADJUSTMENT
Connection
Procedure:
1. Short the CNP3501 pin
4
on the VIDEO board to the GND.
2. Connect a frequency counter to the CNP3501 pin
2
on the
VIDEO board.
3. Press the
I/
1
button to turn on the main power.
4. Press the
[MAIN MENU]
button to display “CUSTOMIZE ”.
5. Turn the
[MENU]
jog clockwise to display “OSD COLOR
[NTSC]”. If “OSD COLOR [PAL]” is displayed, turn the
[--/+]
jog counterclockwise.
6. Turn the
[MENU]
jog clockwise to display “OSD H.POSI [X]”.
7. Adjust the CT3502 so that the frequency counter reading is
3.57954 MHz.
Adjustment and Connection Location:
VIDEO board
CNP3501 pin
2
+
–
frequency counter
CNP3501
1
4
CT3502
– VIDEO Board (Component Side) –
UP CONVERT SIGNAL LEVEL ADJUSTMENT
Enter the test mode
1. While pressing the
[MAIN MENU]
and
[DISPLAY]
buttons, press
the
I/
1
button to turn on the main power.
2. It enters the test mode, and the message “F. HUE 7” appears.
1. Y LEVEL ADJUSTMENT
Setting:
Procedure:
1. Connect a color pattern generator to the VIDEO 1 S-VIDEO
IN jack (J2106) on the SVIDEO board, and connect an
oscilloscope to the COMPONENT VIDEO MONITOR OUT
Y jack (J3104) on the VIDEO board. (75
Ω
terminated)
2. Enter the test mode, and the message “F. HUE 7” appears.
3. Turn the
[MENU]
dial, and “F. CONTRAST 7” is displayed.
4. Input color bars signal from the color pattern generator.
5. Adjust the
[--/+]
dial so that the Vp-p value of waveform
becomes 1 Vp-p.
+
–
oscilloscope
(AC range)
set
color pattern
generator
color bars 100%
SVIDEO board
VIDEO 1
S-VIDEO IN jack
(J2106)
VIDEO board
COMPONENT
MONITOR OUT
VIDEO Y jack
(J3104)
75
Ω
1 Vp-p
Y waveform:
+
–
oscilloscope
(AC range)
set
color pattern
generator
color bars 100%
SVIDEO board
VIDEO 1
S-VIDEO IN jack
(J2106)
VIDEO board
COMPONENT VIDEO
MONITOR OUT
P
B
/C
B
/B-Y jack
(J3104)
VIDEO board
COMPONENT VIDEO
MONITOR OUT
P
R
/C
R
/R-Y jack
(J3104)
75
Ω
75
Ω
2. COLOR LEVEL ADJUSTMENT
Setting:
Procedure:
1. Connect a color pattern generator to the VIDEO 1 S-VIDEO
IN jack (J2106) on the SVIDEO board, and connect an
oscilloscope to the COMPONENT VIDEO P
B
/C
B
/B-Y jack
and COMPONENT VIDEO P
R
/C
R
/R-Y jack (J3104) on the
VIDEO board. (75
Ω
terminated)
2. Enter the test mode, and the message “F. HUE 7” appears.
3. Turn the
[MENU]
dial, and “F. COLOR 7” is displayed.
4. Input color bars signal from the color pattern generator.
5. Display two waveforms of C
B
and C
R
simultaneously.
6. 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.
0.7 Vp-p
C
B
waveform:
0.7 Vp-p
C
R
waveform:
3. HUE LEVEL ADJUSTMENT
Setting:
Procedure:
1. Connect a color pattern generator to the VIDEO 1 S-VIDEO
IN jack (J2106) on the SVIDEO board, and connect an
oscilloscope to the COMPONENT VIDEO P
B
/C
B
/B-Y jack
(J3104) on the VIDEO board. (75
Ω
terminated)
2. Enter the test mode, and the message “F. HUE 7” appears.
3. Input color bars signal from the color pattern generator.
4. Adjust the
[--/+]
dial so that the waveform as bellow.
+
–
oscilloscope
(AC range)
set
color pattern
generator
color bars 100%
SVIDEO board
VIDEO 1
S-VIDEO IN jack
(J2106)
VIDEO board
COMPONENT VIDEO
MONITOR OUT
P
B
/C
B
/B-Y jack
(J3104)
75
Ω
C
B
waveform:
A
Adjust so that the height of
A and B may be located in a line
on this line.
B
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
