G  S-  H
à 
's AIWA
[SERVICE MANUAL]
Code No. 29-880-000-78
DATE  OF  ISSUE  5/1981
SPECIFICATIONS
GENERAL
Se iconductors:
Power source:
Power consu ption:
Speakers:
Di ension:
Weight:
RADIO SECTION 
Frequency range:
Inter ediate frequency:
Sensitivity:
(IH F, THD 3%)
16 ICs, 1  FET.99 transistors,
68 diodes, 8  LED's, 1  LCD 
Batteries DC 13.5V (UM-1  x 9)
Back-up power supply (for tuner  e ory) 
DC 3V (UM-3, "A A "x  2)
H,HG  odel
AC 110 ~ 120V/220 ~ 240V 
switchable 50/60 Hz 
U,UC  odel 
AC 120V/220 ~ 240V 
switchable, 60 Hz 
Car battery  (thru car adaptor)
H,HG  odel 
27W
U,UC  odel 
39W
14O 0 x 2 (Woofer)
(5-5/8")
5O 0 x 2 (Tweeter)
(2")
17O 0 x 1  (Passive Radiator)
(6-3/4” )
588(W) x 325(H) x 163(D)   
[23-1/4" x 12-7/8" x 6-1/2")
8.6 kg (18.6 lbs.)
FM
AM
FM
AM
875 ~ 107.9 MHz 
522 ~1,611  kHz 
10.7 MHz 
450 kHz
FM (H,HG  odel)
13 ± 6 dB (at 87.9 MHz)
12 ± 6 dB (at 98.0 MHz)
13 ± 6 dB (at 107.9 MHz) 
(U,UC  odel)
14 ±6 dB (at 87.9 MHz)
13 +6 dB (at 98.0 MHz)
14 ±6 dB (at 107.9 MHz)
(S/N 10 dB) 47 ±5 dB (at 594 kHz)
45 ±5 dB (at 1,008 kHz)
42 ±5 dB (at 1,404 kHz)
I age rejection: FM 45 ±5 dB  (at 107.9 MHz)
AM 41  ±5 dB  (at 1,404 kHz)
IF rejection: FM 80 ±10 dB (at 87.9 MHz)
AM 31  +5 dB lat 594 kHz)
Total har onic distortion::  FM Less than 1.5% (at 98 MHz)
AM 1.7 ±1.0% (at 1,008 kHz)
FM stereo separation: 22 ±3 dB (at 1  kHz)
Auto stop level: FM 22 ±10 dB  (at 98 MHz)
AM 60 ±10 dB (at 1,008 kHz)
TAPE RECORDER  SECTION 
Tape speed:  4.8 c /s. ± 3%
Recording syste :
Erasing syste :
Record bias frequency:
Distortion:
Frequency response:
Signal to noise ratio: 
(Un-weighted)
Erasing ratio: 
Separation: 
Output power:
IFF & rewind ti e: 
Auto atic stop syste : 
Pinch roller pressure: 
Wow and flutter: 
Take-up torque:
AC bias 
AC erase 
61  ± 0.5 kHz 
Less than 1.5% (PB)
Less than 1.5% (REC/PB) 
M ETALtape  35- 16,000 Hz 
CrOj  tape  35 ~ 13,000 Hz 
LH tape  35 ~ 12,500 Hz
More than 49/46 dB 
[DC/AC]  (PB)
More than 44/42 dB
[DC/AC]  (REC/PB)
More than 60 dB
More than 39 dB (REC/PB)
H,HG  odel
More than 24W [12W + 12W) 
U,UC  odel 
7 watts per channel,
Min. RMS at 8 oh s, 
fro  200 Hz to 10 kHz, with 
no  ore than 10%
Total  Har onic Distortion 
90 ±5 s. (atC-60)
Mechanical auto stop 
125 ± 15q
Less than  0.038% (WRMS)
, ,   +15 
35  c g-c 
FF & rewind torque: 
Input ter inal:
-5 
110 ± 20g 
MIC 3.50  jack x 2 
PHONO/LINE  IN pin jack x 2 
Input sensitivity /i pedance:
MIC  0.3 V/3kfi
LIN E IN  150 V/47kn
PHONO  4 V/47kii
Output ter inal:  LIN E OUT  pin jack x 2
EXT. SP  3.50 jack x 2
PHONES  6.30 jack
Noise  reduction  syste   anufactured  under  license  fro  
Dolby  Laboratories Licensing Corporation.
Dolby  and the  [Xj  sy bol are  trade arks of  Dolby  Labo
ratories  Licensing Corporation.
Specifications and external  appearance are subject  to change 
without notice due to product i prove ent.