ELE-45
12. RF ADJUSTMENT (2)
(Manual Adjustment)
12-1. MENU SETTING
1. Press
[SHIFT], [+],
and
[-]
keys and set
[MENU]
SW to
SET
side.
SERVICE ADJ 1/2
SERVO MODE : ATF
CONCEAL : OFF
INNER_ECC : OFF
OUTER_ECC : OFF
12-2. R/P Envelope Level
Confirmation
BOARD
RF
TP
R/P ENV (50 ohm terminated)
MODE
PLAY
TAPE
VFM3580KM (NTSC)
VFM3680KM (PAL)
M. EQ.
Oscilloscope
SPEC.
A
≥
70mVp-p
R/P Envelope is Flat
1. Playback an alignment tape.
2. Connect an B.E.R. counter cable P4 and confirm
that the envelope is flat.
12-3. PB Envelope Pre-Level
Adjustment
BOARD
RF
TP
PB ENV (50 ohm terminated)
ADJUST
Lch :VR400[PB.L]
Rch :VR401[PB.R]
MODE
PLAY
TAPE
VFM3580KM (NTSC)
VFM3680KM (PAL)
M. EQ.
Oscilloscope
SPEC.
A = 100mV+/-10mV
PB Envelope is Flat
1. Connect a B.E.R. counter cable to connector P4.
2. Playback an alignment Tape.
3. Connect a scope to the PB ENV and adjust VR400,
VR401 so that the envelope is flat.
RP
HSW
PB
ENV
HSW