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4-5-3. CUE Bias Current adjustment
Board
CUE(H1)
Specification
7mVrms ± 0.5mVrms
Test Point
TP4002 (GND:TP4003)
Adjustment
T4202, VR4202
Point
Input Signal
Mode
REC-PLAY
Tape
REC/PB Tape
M.EQ
Electric Volt Meter
1.
Connect a Volt Meter between TP4002 and
TP4003 (GND) and confirm that the voltage is
in the specification.
2.
If it is out of Specification, adjust T4202 so that
the level becomes maximum and adjust
VR4202 so that the level is within the
specification.
4-5-4. CUE PB Level Adjustment
Board
CUE(H1)
Specification
0dBu ± 0.5dB
Test Point
CUE OUT
Adjustment
VR4002
Point
Input Signal
Mode
PLAY
Tape
NTSC:VFM3580KM
10min.)
PAL:VFM3581KM (0 to 10min.)
M.EQ
Audio Analyzer
1.
Place the unit in the 25M Mode.
(MENU 012 SYS FORMAT : 411)
2.
Playback the Alignment Tape and Adjust
VR4002 so that the CUE OUT level is within
the specification.
(0
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