1. 1.5 MHz Deviation Adjustment (VC-195 board) 2. BPF Adjustment (VC-195 board)3-8.ARRANGEMENT DIAGRAM FOR ADJUSTMENT PARTS
Adjust to the optimum audio FM signal distortion.Adjust to the optimum audio BPF characteristics of the IC.
If the adjustment is not correct, its playback leIf the adjustment is not correct, the distortion rate and S/N ratio willvel will differ fromVC-195 BOARD (SIDE A)
that of other units.worsen.
ModePlaybackModePlayback
101231
SignalAlignment tape:SignalAlignment tape:CN909CN551
5026
For checking the operationFor BPF adjustment5125
(WR5-5CSP)(WR5-11CS)
CN501
Measurement PointAudio output terminalMeasurement PointAudio output terminal21IC604
Measuring Instrument Audio level meterMeasuring Instrument distortion meter13289
13388
Adjustment PageFAdjustment PageF
751
Adjustment Address45Adjustment Address4776100
1615
Specified Value?0.5dBs�7.5Specified ValueThe distortion rate should be andIC202
minimum.
Adjusting method :
1) Select page: 0, address: 01, and set data: 01.Adjusting method :17645
144
2) Select page: F, address: 45, change the data and set the 400Hz1) Select page: 0, address: 01, and set data: 01.CN911
signal level to the specified value.2) Select page: F, address: 47, change the data and minimize the501
3) Press the PAUSE button of the adjusting remote commanderdistortion rate..
4) Select page: 0, address: 01, and set data: 00.3) Press the PAUSE button of the adjusting remote commander.C085
4) Select page: 0, address: 01, and set data: 00.
161
1764
4833
4932IC001
IC3013249
3348
6417
116
VC-195 BOARD (SIDE B)
IC501
4837
136
1225
1324
1
CN910
16
IC751
3625
3724
4813
112
5-595-60E |