JVC NIVICO CD-1667 Service Manual

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SERVICE MANUAL
Fig. 1
MODEL CD-1667 1667U
STEREO CASSETTE TAPE DECK
Dimensions:
12.0 (H) x 38 (W)
x 26.5 (D) cm
(4-3/8" x 14-15/16" x 10-7/16")
Weight:
4.6 kg (10 Ibs)
* In this Service Manual, frequency is indicated in Hz.
* In this tapedeck, ISO screws are used.
No. 4073
July, 1972
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Power source: AC 120V, 60Hz (CD-1667)
AC 100V, 110 ~ 120V, 200V, 220
Fuse capacity: 1.8A, 0.8A
Power consumption: 30W (CD-1667)
15W (1667U)
Track system: 2-channel, 4-track
Cassette: C-60, C-90, C-120
Tape speed: 4.8cm/sec. (1-7/8ips)
Recording system: AC bias 95kHz
Erasure system: AC erasure
Recording time: 60 min. for double pass (C-60)
Fast forward time: 100 sec. or less (C-60)
Rewinding time: 100 sec. or less (C-60)
Transistors: 20 :
IC: 4
30 ~19,000Hz (Chrome-tape)
0.7mV, 10ka
20mV (Signal source
80ka)
80mV, 330ka
0.5V, 5ka
1V, 3.3ka
Diodes: 17
Frequency response:
Crosstalk: 60dB or more
S/N ratio: 50dB
Total harmonic 4% ot less
distortion :
rievhuracteriste! 1590uS, 120uS
Input: Microphone
DIN input
AUX. IN
Output: DIN
LINE OUT
Headphones 0.5mW/0.12mW, 82
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CD-1667, 1667U