Akai GX-230D - Page 17

VI. AMPLIFIER SYSTEM ADJUSTMENT
1. POWER SUPPLY VOLTAGE ADJUSTMENT 2. TAPE SPEED ADJUSTMENT
VRI KB
ADJUST
TO
24V
19cm/sec.
VRI IOKB
Fig. 14
Adjustment
Point
Adjustment Item Test Tape Mode
Power Supply
Voltage
Adjustment
VR11
kB
7-1/2 ips.
1,000 Hz, 7-1/2 ips
Result
24.0V
9,5cm/sec,
VR2 30KB
19 cm/sec. +t %
2.5em/sec. +1.5%
Fig. 15
Remarks
Terminal , Power
Supply P.C. Board
Tape
Speed
VR110kB_
/1,000
Hz
+1.0%
Tape
Speed
7-1/2
ips.
2
test
tape
Adjustment
3-3/4 ips.
1 -1/2 ips.
Tape
Speed
S00
Hatch
2aps
VR230kB
|
500
Hz+1.5%
Tape
Speed
3-3/4
ips.
;
test
tape
Adjustment
15