3-2
ELECTRICAL ADJUSTMENT PROCEDURES
1. Servo Adjustment
1) PG Adjustment
• Test Equipment
• Adjustment And Specification
a) OSCILLOSCOPE
b) PAL TEST TAPE (VHS SP)
MODE
PLAY
• Adjustment Procedure
a) Insert the PAL SP Test Tape and play.
Note - Adjust the distance of X, pressing the Tracking(+) or Tracking(-) when the “ATR” is blink after the
PAL SP Test Tape is inserted.
b) Connect the CH1 of the oscilloscope to the H/SW(W5J4, W5J5) and CH2 to the Video Out for the VCR.
c) Trigger the mixed Video Signal of CH2 to the CH1 H/SW(W5J4, W5J5), and then check the distance
(time difference), which is from the selected A(B) Head point of the H/SW(W5J4, W5J5) signal to the
starting point of the vertical synchronized signal, to 6.5H ± 0.5H (416µs, 1H=64.0µs).
• CONNECTION
• WAVEFORM
V.Out
H/SW(W5J4, W5J5)
VR501 6.5 ± 0.5H
MEASUREMENT POINT ADJUSTMENT POINT SPECIFICATION
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