Sony XDCAM PDW-HD1500, Руководство по обслуживанию

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8-1
PDW-HD1500/V1 (E)
Section 8
Electrical Alignment
MAINTENANCE MENU
M1:ADJUST
A2:AUDIO/VIDEO/BATTERY
A20:VPR VR
A23:CP VR
A27:APR VR
A2E:BATTERY
A2F;NV-RAM CONTROL
→ ←
8-1. Electrical Alignment Overview
8-1-1. Precautions
.
Be sure to perform the respective adjustments in order
shown unless otherwise instructed.
.
Do not execute adjustment item of the maintenance
menu, and do not change adjustment data unless it is
required.
In case if any adjustment item of the maintenance menu
is changed unintentionally, do not save the data, and
recover it by turning off the power of the unit.
.
Before starting adjustment, it is recommended to make a
copy of setup menu conditions.
The settings can be returned easily to its customer
condition after finishing adjustment.
(Refer to Section 4-3.)
8-1-2. Tools/Fixtures
.
Oscilloscope: TEKTRONIX TDS460A or
equivalent
.
Frequency counter: ADVANTEST TR5821 or
equivalent
8-1-3. Displaying the Adjustment Item
Perform the electrical alignment using the adjustment
menu of the maintenance mode.
Display the adjustment item as follows.
1. Display the maintenance menu. (Refer to Section 4-1.)
2. Select "ADJUST" using the
[)]
button, and press the
[*]
button.
3. Press the
[*]
the button.
The adjustment item appears.
8-2. HD Free-Running Frequency
Adjustment
Tools/Fixtures
.
Oscilloscope: TEKTRONIX TDS460A or
equivalent
.
Frequency counter: ADVANTEST TR5821 or
equivalent
Preparations
1. Turn off the power of the unit.
2. Remove the bottom panel. (Refer to Section 6-12-8.)
3. Connect an oscilloscope and a frequency counter to the
unit.
4. Turn on the power of the unit and the tools.
n
Apply power to the unit and the tools to allow warm-
up of 10 minutes or longer.
5. Set the system of the unit to 59.94i by performing the
following steps (1) to (5).
(1) Press the
[MENU]
button to display the system
menu.
(2) Select “013: SYSTEM FREQ” rotating the
[PUSH|SET]
knob, and press the
[SELECT]
button.
(3) Select “on” using the
[+]
/
[_]
buttons, and press
the
[SET]
button.
(4) Select “1080/59.94i” rotating the
[PUSH|SET]
knob, and press the
[SAVE]
button.
(5) Restart the unit.
PDW-HD1500
Connection diagram
Oscilloscope
CH-2
IN
CH-2
OUT
Frequency counter
INPUT
TP3101
(HPR-23 board)