Sony CCU-D50 Service Manual page 42

2-4. GENLOCK, Return System Adjustment
2-5. SDI Free-running Frequency Adjustment
Adjustment Procedures
1. Connect the unit and equipment as shown in the
connection diagram and input the video signal to the
connector of the camera cable.
Video signal input pin No. (Signal input tool)
Signal side : pin 1/Camera cable
GND side: pin 2/Camera cable
2. Measure the level "A" and write down it.
pin 4 of CN3 (GND : E2)/ IF-879
board
Test Point :
A
|
(Oscilloscope)
3. Test Point: pin 2 of CN3 (GND : E2)/ IF-879
board
Adjustment Point : @RV3/IF-879 board
Specifications : B=AX1.16
(Oscilloscope)
Setting after Adjustment
Restore the IF-879 board to the original position in the
reverse order of steps 2 to 5 in Preparations.
=
RVIQ@RV3 £2 cNZ
RV2@
IF-879 BOARD (A SIDE)
2-5. SDI Free-running Frequency
Adjustment
Equipment : Frequency counter
Preparations
« When there is a cable connected to the SDI IN connector
(on the rear panel), disconnect the cable.
* Put the CCU into the VBS mode. (Refer to the Operating
Instructions.)
* Pull out the SDI unit assembly. (Refer to Section 1-15-
1.)
Adjustment Procedures
Test Point : TP1 (GND : E2)/SDI-77 board
Adjustment Point: @RV1/SDI-77 board
Specifications : 27.0 +0.1 MHz
Setting after Adjustment
Restore the SDI unit assembly to the original position.
(Refer to Section 1-15-1.)
SDI-77 board
CCU-D50/D50P SMV1E