Panasonic NV-HV61GN, Service Manual

Page: 131 / 159

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Fig.M3 Connection of Oscilloscope
(2) Playback the Alignment Tape.
(3) If the RF envelope appears like example ”A” or “B” in Fig.
M4, then adjustment of the tape guide post (P2:
Entrance) is necessary.
(4) Adjust the Tape Guidepost (2) with the post adjustment
screwdriver so that the RF envelope waveform at the
entrance portion becomes flat as shown in Fig.M4”C”.
Fig.M4
(5) If the envelope appears like “D” or “E” in Fig.M5, then
adjustment of the tape guide post
(P3: Exit) is necessary.
(6) Adjust the tape guidepost (P3) in the same manner as
the P2 post so that the exit portion becomes flat as
shown in Fig.M8”F”.
Fig.M5
(7) Keep pressing the tracking up/down (
∧
or
∨
buttons on
the remote controller unit. The output envelope should
vary nearly parallel with other condition as shown in
Fig.M6.
(8) Set the tracking control into center fix position by
pressing the tracking up/down (
∧
or
∨
simultaneously
and adjust for maximum RF envelope, whilst being as flat
as possible.
Fig.M6
Fig.M7