System Control Adjustmemt; Clock Frequency Adjustment - Sony DSR-300 Service Manual

8-1. SYSTEM CONTROL ADJUSTMEMT

Equipment Required
. Frequency counter (IWATSU SC-7102 or equivalent)
. DC power supply (SONY AC-500/550 or CMA-8/8A)

8-1-1. Clock Frequency Adjustment

Equipment:
Frequency Counter
Preparation: . Input Singal (No signal)
. EE mode
Adjustment Procedure
1. Press the MENU button once.
The following message is displayed on the LCD screen.
(In the following description, an underlined part
indicates a portion of the display which is blinking.)
2. Press the SHIFT button once.
The following message is displayed on the LCD screen.
3. Confirm that figure 1 is displayed on the right side.
When the figure 1 is not displayed, set it to 1 by
following the procedure.
1 Press the SHIFT button to blink the underlined
digits.
2 Press the ADVANCE button to set the right side
digit to 1.
8-2
3 Press the SHIFT button seven times.
The following message is displayed on the LCD
screen.
Note: Be sure not to blink the underlined part.
4. Perform the following adjustment:
Test point:
TP201/FP-98 Board (D-1)
Adjusting point: 1CV200/FP-98 Board (C-2)
256.0025 ± 0.0005 Hz
Specification:
5. Press the MENU button, and exit the maintenance
menu.
E D
TP201
CV200
RV403
TP402 TP401
TP602 TP601
RV602 RV601
FP-98 BOARD (B SIDE)
C B
A
TP200
TP603
TP1 TP2
DSR-300/P(E)/V1
1
2
3
4