Aiwa AD-R450 Service Manual

A I W A
SERVICE MANUAL
STEREO CASSETTE
OECK
T Y P E . H B
Type
Stereo cassette tape deck
Track format
4 tracks 2 channels
Power supply
AD-R450 E, Z
AC 220 V, 50/60 Hz
AD-R450 K, G
AC 240 V, 50/60 Hz
AD-R450 U, C
AC 120 V, 60 Hz
A D -R 450 H, H U , HJ
AC 120 V/220 V-240 V switchable,
50/60 Hz
Power
consumption 15 W
Frequency
response
METAL tape:
C r0 2 position tape: 20— 17,000 Hz
NORMAL tape:
Signal-to-noise
ratio 73 dB (METAL tape DOLBY C NR
ON)
Wow and flutter
According to DIN 45 500
0.04% (WRMS)
Tape speed
4.8 cm/sec. (1 -7/8 tps)
Rewind time
70 sec. (C-60)
Fast forward time
70 sec. (C-60)
H U B H J B C
j j j
SPECIFICATIONS
2 0 -1 8 ,0 0 0 Hz
2 0 -1 6 ,0 0 0 Hz
0.1%
M O D E L I M O .
AD-R450
B E B K B G
j j j
Recording system AC bias (frequency 85 kHz)
Erase system
AC erase
Motor
DC Servomotor
Head
DX head
Inputs LINE IN maximum input
sensitivity: 50 mV (over 50 k fi)
DIN max sensitivity (Z model only):
0.1 m V /kfi (3.3 k fi)
Outputs LINE OUT standard output level:
0.4 V(0VU); suitable load
impedance: over50 k fi;
DIN standard level (Z model only):
0.4 V(0VU)
Headphones: 8 — 32 i i
Dimensions 420(W) X110(H) x300(D) mm
Weight 4.4 kg
Accessories
Stereo pin cord (2)
Design and specifications are subject to change w ithout
notice.
Noise reduction system manufactured under license
from Dolby Laboratories Licensing Corporation.
Dolby and the □□ symbol are trademarks of Dolby
laboratories licensing corporation.
S/M Code No. 84-025
DATE OF ISSUE 9/1984
B Z
j
x 1, DC Motor x 1