Confirmation Of Envelope On Rev, Rew And Ff Mode - Panasonic AJ-D400P Service Manual

1-25. Confirmation of Envelope on REV, REW and FF mode.

V/Vmax ≥ 0.9
SPEC.
TEST POINT TP500 R/P ENV (RF Board)
MODE REV, REW, FF
TAPE VFM3580KM, VFM3680KM
M.EQ Oscilloscope
1. Confirm that
becomes in the specification on REV,REW
and FF mode as refer to figure and below.
• Waveform must be Diamond Style.
• All the peak level must be more than 90%
of maximum level.
V/Vmax ≥ 0.9
2. If out of spec, adjust S4 post height.
the Envelope waveform
OK
NG