3. BPF f0 Adjustment (VC-214 board)
Sets the BPF passing frequency so that the AFM signal can separate
from the playback RF signal properly. If deviated. the mono/stereo
mode will be differentiated incorrectly, and noises and distortions
will increase during high volume playback.
ModePlayback
SignalAlignment tape:
For BPF adjustment
(WR5-11CS)
Measurement PointAudio output terminal left or right
Measuring Instrument distortion meter
Adjustment PageF
Adjustment Address64
Specified ValueThe Main and Sub channel distortion
rate should be almost the same
(within ? 1%) and minimum.
Adjusting method :
1) Select page: 0, address: 01, and set data: 01.
2) Set the Hi-Fi sound switch (menu display) to O2�.
3) Select page: F, address: 64, change the data and minimize the
distortion rate.
4) Press the PAUSE button of the adjustment remote commander.
5) Set the Hi-Fi sound switch (menu display) to O1�.
6) Select page: F, address: 64, change the data and minimize the
distortion rate.
7) Press the PAUSE button of the adjustment remote commander.
8) Repeat steps 2) to 7) and set the data of address: 64 so that the
distortions rates when the Hi-Fi sound switch is set to O2� and
set to O1� respectively are almost the same and minimum.
9) Press the PAUSE button of the adjustment remote commander.
10) Select page: 0, address: 01, and set data: 00.
11) Set the Hi-Fi sound switch to OSTEREO�.
5-46 |
ACEC
