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1. DC POWER SUPPLY AND TAPE SPEED ADJUSTMENT
Seika
Mian
SP: Sat sah tise iia Saha
89 Pinte cairo
1 2 %
VR-1
1kB_
DC Voltage Adj.
VR-2
50kB
3-3/4 ips Tape Speed Adj.
VR-3
10kB
7-1/2 ips Tape Speed Adj.
VRI
VR3
VR2
Fig.
11
Adjustment
.
Step
Item
Mode
Adjustment Point
Result
Remarks
=
==
4
1
DC Voltage | Stop
VR-11kB
24.0V
Measured at TP-1 on Sys. Con P.C
Board
3-3/4 ips
500 Hz
1,000
Hz, 7-1/2 ips Test Tape.
2
Tape Speed
FWD
VR-2 50 kB
£0.5%
Tape Speed 3-3/4 ips.
7-1/2 ips
1,000Hz
1,000 Hz, 7-1/2 ips Test Tape.
3
Tape Speed
FWD
VR:3 10 kB
40.5%
Tape Speed 7-1/2 ips.
Chart 2
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