Adjustment Method; Preparations For Adjustment; Writing In Initial Data; Pre Adjustment - Sony SSC-DC50A Service Manual

Color video camera
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4-2. ADJUSTMENT METHOD

4-2-1. Preparations for Adjustment

(1) Setting switches:
• [SSC-DC50A/50AP]
Set the Mode switch on the rear panel of the camera
to B position.
• [SSC-DC54A/54AP/58AP]
Set the SYNC switch on the rear panel of the camera
to INT positions.
• Set the DIP switches on the side panel of the camera
to shown as below.
OFF
AGC
NORM
TURBO
OFF
BLC
OFF
SHUTTER
0
1 - A
WHT BAL
0
1 - B
NORM
SHARP
0
180
• Slide the sliding switch (HOLD) in the upper part of
the commander to the right side.
(2) Turn on the camera.
(3) Connecting the Commander:
Use a relay jig to connect the commander to the
connector (CN201) on the PR-229 board so that the
relay jig will have Pin 1 (white) coincide with Pin 1 (on
the front panel side) of the connector.

4-2-2. Writing in Initial Data

(1) Press the START/STOP button in the upper part of the
commander.
(2) The numerals indicated on the LCD of the commander
will go out for a few seconds and then will reappear.
* In this stage, if the commander’s LCD display
remains out and cannot be restored, there is an
abnormality somewhere in the circuitry. Do not
proceed to adjustment without correcting the
abnormality.
If writing in initial data has been performed, be sure to
confirming data as follows.
(3) Press the MODE DISPLAY CHANGE button on the
commander to display Mode “5F”. Subsequently, press
the CHANGE DATA button to display Data “01”.
(4) Press the DATA write button of the commander.
(5) The numerals indicated on the LCD of the commander
will go out for a few seconds and then will reappear.

4-3. PRE ADJUSTMENT

4-3-1. 28MHz Adjustment

Free
Subject
PR Board TP201
Measurement point
Frequency Counter
Equipment
PR Board CT201
Adjustment point
28.636363 MHz ±80 Hz
(NTSC)
Adjustment value
28.375000 MHz ±80 Hz
(PAL)
Operate an internal SYNC mode.
Adjustment procedures

4-3-2. VCO Adjustment

Unnecessary
Subject
Oscilloscope
Measurement point
(DC 500 mV, 0.2 uS)
PR Board TP203
Equipment
Adjustment point
PR Board CT202
1.7 ± 0.1 V
Adjustment value
Input the external sync signal to
Adjustment procedures
the VS IN connector.

4-3-3. fsc Adjustment

Subject
Free
Measurement point
PR Board TP202
Equipment
Frequency Counter
Adjustment point
PR Board CT203
3.579545 MHz ± 20 Hz (NTSC)
Adjustment value
4.433618 MHz ± 20 Hz (PAL)
Input the external SYNC signal
Adjustment procedures
without Burst signal to VS IN
connector

4-4. CAMERA ADJUSTMENT

4-4-1. Setting up the Prepare for Adjustment
Mode
1 Press the MODE DISPLAY CHANGE button on the
commander to display Mode “5F”. Subsequently, press
the CHANGE DATA button to display Data “01”.
2 Press the MODE DISPLAY CHANGE button on the
commander to display Mode “61”. Subsequently, press
the CHANGE DATA button to display Data “01”.
Subject
Unnecessary
Measurement point
Nothing
4-4
SSC-DC50A/54A
SSC-DC50AP/54AP/58AP

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