Akai GX-266D

Adjustment
Test
Tape
—
|
Adjustment
Step
|
Tem
Supply
Signal
Mode
lied
Result
Remarks
+
at
=
=
FWD
Playback
700
Hz
7-1/2
ips
0+0.5dB
1
Level
0
VU
Test
Tape
FWD
VR4
50
kB
(0.775V)
REV
Playback
|
700
Hz
7-1/2
ips
‘|
020.54dB
|
2
Level
0
VU
Test
Tape
REV
VRS
50
kB
(0.775V)
VU
Meter
700
Hz
7-1/2
ips
3
Sensitivity
0
VU
Test
Tape
FWD
VR7_
1kB
O0VU
|
1,000
Hz
—21
dB
'
Line
REC
Volume
4
|
Monitor
Level
|
(70
mV)
Signalto
|!
STOP
VR1
5kB
0
dB
maximum.
Monitor
Line
Input
(OVU)
|
switch
“SOURCE”.
+ ———}-
FWD Recordi Scotch #211 Tape
5 €cording 1,000 Hz 0 VU FWD-
Level REC VR2 10 kB
recording
0+0.5dB | Monitor Switch
(0.775V) | “TAPE”.
; Scotch #211 Tape |
6
REV
Recording
1,000
Hz
0
VU
REV—
0+0.5dB | Monitor Switch
Level
recorting
REC
VR3
10
kB
(0.775V)
|
“TAPE”.
L
———
Scotch
#211
Tape
ia
1.5
kHz,
|
Tape
Speed
3-3/4
ips.
7
|
FWD
Frequency
1
5
itz,
15
kHz
FWD-
C2
80
PF
15kHz
|
Recheck
Recording
|
Response
~20
VU
recording
|
REC
flat
Level.
|
Scotch
#211
Tape
g
|
REV
Frequency
|
15
kHz,
15
kHz
REV—
0 PF
Response
—20
VU
recording
|
REC
i
Tete
1.5 kHz, Tape Speed 3-3/4 ips.
15 kHz Recheck Recording
flat Level.
NOTES:
1)
Set
tape
speed
to
7-1/2
ips
except
in
Steps
7
and
8.
2)
Tape
Selector
at
“LOW
NOISE”
3)
Monitor
Switch
at
“TAPE”
except
in
Step
4.
4)
Output
Volume
at
maximum.
5)
New
test
tape
should
be
used.
9
Bias
Leak
REC
L8
23
mH
—30dB
|
at
Max.
a
ee
|
Less than | Mic, Line Volume
Chart 3
Vil.
DC
RESISTANCE
OF
VARIOUS
COILS
Part
Designation
DC
Resistance
Between
BLU-RED:
100
ohms
Main
Motor
SCM2—24KJ
Between
YLW-GRN:
180
ohms
|
Pick-up
Coil:
635
ohms
Between
BLU-RED:
74
ohms
|
Reel
Motor
|
24X0—MR
Between
YLW-GRN:
1,660
ohms
Pinch
Roller
Solenoid
1660PTHT3
700
ohms
Brake
Solenoid,
REV
Solenoid
1240PHT
590
ohms
<a
Relay
L-24
©
1,600
ohms
MY4-0-US-AD4
Relay
DC24V
650
ohms
Between
1—3:
0.3
ohms
Oscillator
Coil
OT—204
Between
4-6:
0.7
ohms
Between
7—9:
8.2
ohms
Erase
Head
E4--260
3.5
ohms
+
4
Recording
Head
|
R4-240
6.2
ohms
Playback
Head
P4—240
220
ohms
* The resistance values shown in this chart are average values.
Chart 4