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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.
11
11
1 Select “PAGE 9” of SERVICE menu, and
set the “SETUP” to “OFF”.
22
22
2 Select “PAGE 6” of SERVICE menu, and
move the cursor to Y CLP.
33
33
3 Adjustment: A = 0 ±5 mV
44
44
4 Select “PAGE 9” of SERVICE menu, and
set the “SETUP” to “ON”.
55
55
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