
3-
2
ELECTRICAL ADJUSTMENT PROCEDURES
1. Servo Adjustment
1) PG Adjustment
• Test Equipment
• Adjustment And Specification
a) OSCILLOSCOPE
b) NTSC MODEL : NTSC SP TEST TAPE
C) PAL MODEL : PAL SP TEST TAPE
MODE
PLAY
• Adjustment Procedure
a) Insert the SP Test Tape and play.
Note - Adjust the distance of X, pressing the Tr) or Tracking(-) when the “ATR” is blink after the
SP Test Tape is inserted.
b) Connect the CH1 of the oscilloscope to the H/SW(W373, W374) and CH2 to the Video Out for the VCR.
c) Trigger the mixed Combo Video Signal of CH2 to the CH1 H/SW(W373, W374), and then check the dis-
tance (time difference), which is from the selected A(B) Head point of the H/SW(W373, W374) signal to
the starting point of the vertical synchronized signal, to 6.5H ± 0.5H (412µs, 1H=63µs).
• PG Adjustment Method
a-1) Payback the SP standard tape
b-2) Press the “1” key on the Remote controller and the “PLAY” key on the Front Panel the same time,
then it goes in to Tracking initial mode. (Note: NTSC Model : “1” key and PAL Model “0” key on
Remote controller)
c-3) Repeat the above step(No.b-2), then it finishes the PG adjusting automatically.
d-4) Stop the playback, then it goes out to PG adjusting mode after mony the PG data.
• CONNECTION
• WAVEFORM
V.Out
H/SW(W373, W374)
R/C TRK JIG KEY
6.5 ± 0.5H
MEASUREMENT POINT
ADJUSTMENT POINT
SPECIFICATION
V.Out
H/SW(W373,W374)
OSCILLOSCOPE
CH1 CH2
V.out
H/SW
R/C KEY
(W373, W374)
H/SW
Composite
VIDEO
6.5H(416us)
VCR PART
Содержание HV-DX1E
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