Aiwa AD-F640 Service Manual

AIWA : Sooneete
SERVICE
MANUAL
MODEL NO.
TYPE. HB,EB,KB,GB,ZB
UB(AD-S40)
— ——
Type Stereo cassette deck * . Inputs LINE IN maximum input
Track format 4 tracks 2 channels sensitivity: 50 mV (over 50
Power supply AD-F640E, Z k-ohms)
AC 220 V 50 Hz Outputs LINE OUT standard output
AD-F640K, G level: 0.41 V (0 VU); Suitable
AG 240 V 50 Hz joad impedance: over 50
AD-S40U : k-ohms;
AC-120 V 60 Hz Headphones: 8 ohms
AD-F640H : Dimensions 420(W) x11 0(H) x 299.5(D)
AC 120/220 V/240V mm
switchable, 50/60 Hz {16-5/8" (W) x 4-3/8" (H) x
Power consumption 20W 11-7/8" (D)]
Frequency response © METALtape: 20—18,000Hz Weight 4.7 kg (10.3 Ibs.)
Cro, Accessories Stereo pin cord........... .
position tape: 20—17,000 Hz
NORMAL
tape: 20—16,000 Hz
Signat-io-noise ratio 75 dB (METAL tape DOLBY C
NR ON)
Wow and flutter According to DIN 45 500 0.09%
0.028% (WRMS)
Tape speed 4.8 om/sec. (1-7/8 ips)
Rewind time 60 sec. (C-60) '
Fast forward time
60 sec. (C-60)
©
Design and specifications are subject to change
Recording system AC bias (frequency 85 kHz) without notice.
Erase system
AC erase
@- Noise Reduction manufactured under license from
Motor
DC Servometor for capstan
Dolby Laboratories Licensing Corporation.
DC motor for reeis
HX PRO headroom extension originated by Bang &
Head
Recording, playback head: DX
Olufsen and manufactured under license fram Dolby
combination head Laboratories Licensing Corporation.
Erase head: Doubie gap ferrite © "Dolby," the double-D symbol, and "HX PRO" are
head trademarks of Doiby Laboratories Licensing
Corporation. 7