Electronic Volume Adjustment Procedure; Cds Sampling Pulse Adjustment - Hitachi VK-S274 Service Manual

6.

Electronic Volume Adjustment Procedure

The following explains the adjustment procedure using the adjustment program (SMAP), following the order of items on PC
display.
Refer to "4. Starting Adjustment Program (SMAP)" in advance, start SMAP and display the main menu on PC display.
In actual work, it is possible to adjust one item independently.
Note: If error message appears on PC display during adjustment, perform troubleshooting, referring to "10. Error Messages".
Before starting:
1) Input B to PC on the main menu screen to display the electronic volume
menu screen. (*1)
*1: Pressing the Esc key on the adjustment menu screen will restore the
main menu screen.

6.1 CDS Sampling Pulse Adjustment

Incompleted Phenomenon:
Diagonal beats and horizontal noise occur.
Condition:
Leave the video camera for more than 2 minutes until the circuits are
stabilized after turing it on, then start adjustment.
Procedure:
1) Input 1 to PC on the adjustment menu screen.
2) Follow the instruction on PC display thereafter.
Main menu
***********************************************************
MANUAL ADJUSTMENT PROGRAM
***********************************************************
[A] DATA INITIALIZE
[B] ELECTRIC VOLUME
[C] ADJUSTMENT
[D] AUTO FOCUS
[E] SPOT NOISE
[ESC] END
Please select [A] - [F] or [ESC]
Input B.
Electronic volume menu
***********************************************************
ELECTRIC VOLUME
***********************************************************
[1] CDS SAMPLING PULSE
[ESC] RETURN TO MAIN MENU
Please select [1] or [ESC]
Electronic volume menu
***********************************************************
ELECTRIC VOLUME
***********************************************************
[1] CDS SAMPLING PULSE
[ESC] RETURN TO MAIN MENU
Please select [1] or [ESC]
Input 1.
Follow the instructions on PC display
thereafter.
3 - 7