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SERVO SYSTEM Adjustment
RF Switching Position Adjustment
Purpose:
Adjust the interval between A ch and B ch of tape playback output.
Improve the interchangeability with other tapes and sets.
When it is out of order, the interval appears on the screen, the screen is disturbed.
Measurement Point : CH1: VIDEO LINE OUT, CH2: Pin 2 of CN261(RP-230 board) (RF SWP)
Adjusting Method:
1) Connect RP-230 board Pin 5 of CN261 to the GND for about 1 secont to activate the RF switching position adjustment mode.
2) Check appear “A P” on FL display.
3) Using the channel + and – buttons, adjust to 416 ± 32 µsec
(6.5 ± 0.5 H).
4) Press the pause button.
2-4. VIDEO SYSTEM ADJUSTMENT
Adjust the video system in the following sequence as a rule. The color video signal supplied from the pattern generator is used as a video input signal for video system adjustment in the recording mode.