Aiwa MT 80 Service Manual

Page 1

SERVICE MANUAL

MODEL ND.

AUDIO PROGRAM TIMEFI

MT-BO

GRAPHIC EGUALIZEFI

TYPE. u

GE-BO

Code No. 34-800-000-03

DATE OF ISSUE 12/1981

Type:
Semiconductors:
Power supply:
Power consumption:
Dimensions:

Weight:
Accuracy:
Timer accuracy:
Timer setting:

Zero reset control:

Sleep timer operation:

SPECIFICATIONS

MT-80U

Degital Audio Program Timer
5105,14 transistors, 16 diodes, 4 LEDs
AC 120V, 60 Hz

8W

250(Wi x 36(Hl x 262(0) mm

(9 7/8"x1 1/2"x101/2")

1.6 kg(3.521bs.)

:15s./month [at 257C)

Within 0.02 s. of the displayed time

24 hours, in 1 minute steps, 2

ON/OFF cycles per 24 hours possible

1 s. to 99 minutes, in

1 5. steps

1N 29 s. set back, 30 ~ 59 5. advanced.

Semiconductors:
Power supply:
Power consumption:
Dimensions:

Weight:
F requency response:

Total harmonic distortion:

Cross talk:
Equalizer frequency:

Equalizer variable range:

Input impedance:
Output impedance:
Inputs:

Outputs:

Output noise:
Output level:

GE-80U

15 transistors, 2 diodes, 9 LEDs,
AC 120V, 60 Hz

5.5W

250iW) x 71(H) x 240(0) mm

19 7/8 x 2 3/4 x 91/2")

2 kg (4.40 lbs.)

10 Hz (70:5dBie35kHz (:0.5dEi
Less than 0.03% [at OUTPUT 1V)
More than 60 dB
40,125,220,1k,2.5k,6.3k,
15kHz i 20%

Upper +10:1:5dB

Lower #10 $1.5dB

50km : 30% 1
2.6km t 30% i
150mV (1000Hz)
135 : 8mV

Less than 0.015mV
More than 5V

o Specifications and external appearance are subject to change
without due to product improvement.

AI WA CD.,LTD. TOKYO JAPAN

Page 2

MT-BOU I

EXPLODED VIEW

I | 2 3 4 5 e 7
UT2®26~6
A
- l5
l6
B 5 ' UT2 (92-6
uTu@5-a
VTT®2 6~4
U@2.6-5 P C B _ A
C H
i \
c Q _QT1?2-6\8
x
D
E
VTT 6) 2 6-4
F
@ U@3-I4
3 ,,
vrwlz 6-4
- s @
UTZ©3 6 3 UTT®3-5
PARTS LIST
MECHAN'CAL PARTS I " mark in this pan list shows exclusive part.
Ref. No. Part No. Part No. Description Common Q'ty
Changed to Model

1 82-753-201-01 Chassis, From MT»50 1

2 82-782-018-01 Panel, Side 2

3 82745-01941 Foot 4

4 82-753-208-11 Amp. chassis H assy MT-SO 1

5 82-753-013-01 Jack plate MT-SD 1

6 82-782-005-01 Knob, Selectur 2

7 82-7827001-01 Panel, From 1

8 82753-214-11 Knob, Guide selector MT»50 2

9 82-753-004701 Window MT-SO 1

1O 82-7827002-01 Guide A, Push-button * 1

11 82-782-003-01 Guide E, Pushebutton * 1

12 82-782AO17~01 Push»kev A (GRY) 4

13 82-779-007-01 Pushrkey A STAR 80 13

14 82-782-015-01 Display panel * 1

15 82-782008-01 Cabinet, Steel * 1

16 82-782-011-01 Name plate Spec. * 1

17 87034-92901 AC power cord 1

18 827782-601-01 Rubber switch A * 1

19 82782-602-01 Rubber switch B * 1

20 87-085401701 Cord bushing 1