3-5
DXC-D30WS/P(E)/V1
3-3. CAMERA ADJUSTMENT
Note:
Before the adjustment, enter the “PAGE 1” of
SERVICE menu, and perform the “RESET”.
3-3-1. Sub-Carrier Frequency Adjustment
Equipment:
Frequency counter
To be extended: ES-22 board
Test point:
TP501 (GND: E1(extension board))
/ES-22 board
Adjusting point: SERVICE menu “PAGE 8”
→
SC FREQ :
Adjust the sub-Carrier Frequency by
UP
4
witch or DOWN
$
switch.
Specification:
3,579,545
±
10 Hz (for NTSC)
4,433,618
±
10 Hz (for PAL)
3-3-2. INT SC-H Phase Adjustment
Note:
Stated below is a procedure with the SC-H
phase measuring equipment (Tektronix
Waveform monitor 1765).
If any other equipment is used, perform
adjustment at the following adjustment point
by reading the instruction manual attached.
Equipment:
Waveform monitor (SC-H Phase mode)
Preparation:
• Put the Tektronix Waveform monitor 1765 to SC-H
mode.
Test point:
VIDEO OUT connector/camera side
Adjustment Procedure
• SERVICE menu “PAGE 8”
→
SC-H
• Adjust the phase relationship between SC (Burst) and H
beam spot correctly by UP
4
switch or DOWN
$
switch.
R
M
G
C
Y
G
Y
L
B
R
M
G
C
Y
G
Y
L
B
3-3-3. Y/R-Y/B-Y CLP Level Adjustment
Equipment:
Oscilloscope
To be extended: IF-700 board
Preparation:
OUTPUT/DL/DCC
+
switch/camera side
→
BARS
Trigger:
HD (TP83/extension board)
Adjustment Procedure:
1. Select “PAGE 10” of SERVICE menu, make sure that
R-Y and B-Y mode must be “ON”.
2. SERVICE menu “PAGE 6”
→
Y
CLP :
R-Y
CLP :
B-Y
CLP :
3. Adjust the following items by UP
4
switch or DOWN
$
switch.
Note:
In case of Y CLP for NTSC model, perform
the adjustment as follows.
1
1
1
1
1
Select “PAGE 9” of SERVICE menu, and
set the “SETUP” to “OFF”.
2
2
2
2
2
Select “PAGE 6” of SERVICE menu, and
move the cursor to Y CLP.
3
3
3
3
3
Adjustment: A = 0
±
5 mV
4
4
4
4
4
Select “PAGE 9” of SERVICE menu, and
set the “SETUP” to “ON”.
5
5
5
5
5
And return to “PAGE 6”.
Extension board (GND : TP63/IF-700 board)
Item
Test Point
Specification
Y CLP
TP61
A = 0
±
5 mV
R-Y CLP
TP60
B = 0
±
5 mV
B-Y CLP
TP62
C = 0
±
5 mV
[for NTSC]
[for PAL]
Note:
After this adjustment, set the mode of
Tektronix Waveform monitor 1765 to “WFM”
mode.
(PAL)
(NTSC)
A
A
B
C
