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Board
Specification
Test Point
Adjustment Point
Input Signal
Mode
Tape
M.EQ
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.
6.5.5. Noise Cancel Adjustment
Board
Specification
Test Point
Adjustment Point
Input Signal
Mode
Tape
M.EQ
(50M Mode)
1. Analyzer setting: Input BPF 600Hz
2. Place the unit in the 50M mode.
3. Confirm that the CUE OUT Level (noise level) is in the specification.
4. If it is out of specification, adjust VR4006 and VR4003 so that the
noise level is in the specification
(25M Mode)
1. Analyzer setting: Input BPF 300Hz
CUE(H1)
0dBu ± 0.5dB
CUE OUT
VR4002
PLAY
NTSC:VFM3580KM (0 to
10min.)
PAL:VFM3581KM (0 to
10min.)
Audio Analyzer
CUE(H1)
50M mode Less than -
40dBu
25M mode Less than -
35dBu
CUE OUT
VR4006, VR4003 (50M)
VR4007, VR4004 (25M)
PLAY
No signal recorded Tape
Audio Analyzer /Audio
precision
97
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