Camera Adjustment - Sony DSR-570WS Service Manual

9-3. Camera Adjustment

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Before the adjustment, enter the "PAGE 1" of SERVICE
menu, and perform the "RESET".
9-3-1. Sub-Carrier Frequency Adjustment
Equipment:
Frequency counter
To be extended: ES-26/26P board
Test point:
TP801 (GND: E801)/ES-26/26P board
Adjusting point: SERVICE menu "PAGE 8"
Perform adjustment by turning the
MENU dial, then store the data by
pushing the MENU dial.
3,579,545 ± 10 Hz (for NTSC)
Specification:
4,433,618 ± 10 Hz (for PAL)
9-3-2. INT SC-H Phase Adjustment
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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 turning the MENU dial, then
store the data by pushing the MENU dial.
[for NTSC]
M
G
R
Y
L
B
G
C
Y
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After this adjustment, set the mode of Tektronix Waveform
monitor 1765 to "WFM" mode.
DSR-570WS/570WSP V1
→ SC FREQ :
[for PAL]
R
M
G
Y
L
B
G
C
Y
9-3-3. Y/R-Y/B-Y CLP Level Adjustment
Equipment: Oscilloscope
To be extended: ES-26/26P board
Preparation:
. OUTPUT/DL/DCC+switch (side panel) → BARS
. S401/ES-26/26P setting : → CCZ ON
. Measure the levels at TP393, TP395, and TP397 after
the termination with 75 Z resistor.
Trigger:
HD (TP349/extension board)
Adjustment Procedure
1. Select "PAGE 12" of SERVICE menu, make sure that
R-Y and B-Y mode are both "ON".
2. SERVICE menu "PAGE 6"
→ Y
CLP :
R-Y CLP :
B-Y CLP :
3. Perform adjustment by turning the MENU dial, then
store the data by pushing the MENU dial.
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In case of Y CLP for NTSC model, perform the
following adjustments:
1 Select "PAGE 9" of SERVICE menu, and set the
"SETUP" to "OFF."
2 Select "PAGE 6" of SERVICE menu, and move the
cursor to Y CLP, and adjust it so that A is 0 ± 5 mV.
3 Select "PAGE 9" of SERVICE menu, and set the
"SETUP" to "ON."
4 Return to "PAGE 6", and adjust Y CLP, R-Y CLP
and B-Y CLP respectivery.
Extension board (GND : TP394/ES-26/26P board)
Item Test Point
Y CLP TP393
(NTSC)
A
R-Y CLP TP395
B
B-Y CLP TP397
C
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After adjustment, set the S401 switch to NORM.
Specification
A = 0 ±5 mV
(PAL)
A
B = 0 ±5 mV
C = 0 ±5 mV
9-7