JVC KD-2A User Manual

No. 4151
KD-2A/B/C/E/J/U
Contents
Page
Specifications ©... 0... cee ee ee ee 2
Features: 6:6 scdiis a seis iatge tee se Sie elated ee hee ea 3
Controls and Connections ... 0... 002 eee eee eens 3
Main parts Location .. 2.0.2... 2000 e eee 4
Main Parts Removing
Enclosure
Assembly
.......--0202
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Electrical
Parts...
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Mechanical Parts .....---.00 0c ee eee eens 7
Main Adjustments
Electrical
Adjustment
.........00022
22
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8
Mechanical Adjustment ........-- 00 0e eee eee 12
Maintenance .......- 000 eee eee eee eee 14
Block
Diagram
2...
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15
Specifications
Type Portable stereo cassette deck
Track system 4-track, 2-channel
Cassettes C-30, C-60, C-90
Tape speed 4.8cm/sec
Frequency response
Chrome *1 25~ 18,000Hz (Nominal)
30~16,000Hz (Typical)
Regular *2 25~17,000Hz (Nominal)
30~15,000Hz (Typical)
Supasses DIN 45500
*1 ~~ TP-18 or Equivalent
*2 OP-12 or Equivalent
57dB (from peak level, weighted)
The S/N is improved by 5dB at
1kHz and by 10dB above 5kHz
with ANRS on.
62dB with ANRS
(DIN 45500, weighted)
Effect of Super ANRS (Normal tape)
Improvement of
Signal-to-Noise ratio
Improvement of
frequency response
Signal-to-Noise ratio
the same as with ANRS
OVU recording; 6dB at 10kHz
+5VU recording; 12dB at 10kHz
Improvement of
distortion OVU recording; 3% or less at 10kHz
+5dB recording; 3% or less at 10kHz
0.09% (WRMS)
0.20% (DIN 45511)
Wow and flutter
Separation 35dB
Harmonic distortion 1.2% (Normal tape 1kHz, OVU)
Bias : AC bias (95kHz)
Erasure : AC erasure
Heads 2 heads
SA head for recording/playback
and ferrite head for erasure
Motor DC coreless motor
2 x 30 minutes with the
C-60 cassette
Less than 90 sec (with the C-60
cassette)
Recording time
Fast Forward time
Page
Circuit Board Parts
Main Amp Circuit Board Parts List ...........+- 16
REC Amp Circuit Board .. 0.0... 0.02.2 ee ee ees 20
ANRS Circuit Board ......-.---2- 200 eee eee 22
Mechanical Component (1) .. 2.2.0.0. 002s eens 25
Mechanical Component (2) .......-.000 eee eee 26
Mechanical Component List .............002055 27
Enclosure Ass’y and Electrical Parts
Except Circuit Board Parts (1).........2.2+05. 29
Except Circuit Board Parts (2).........-5-006- 30
Wii AG os eee eee ahh eee 8 ace lent BS ee aap se as Sys 32
Standard Schematic Diagram .......-. 2000s eee 33
Accessories 1... ce ee te ete tee ee 35
PACK iQ eso 'S aces sien esinte tig Roast da IOS Leta ea ee hae 36
Rewind time
Semiconductors
Input jacks
Output jacks
Recording connector
(REC/PB)
Power supply
Power consumption
Battery life
Dimensions
Weight
Less than 90 sec (with the C-60
cassette) per track
IC; 4, Transistor; 37,
Diodes; 25, SCR; 1
Mic jack; 2
Max. sensitivity; 0.2mV (-72dBs)
Matching impedance;
6002 (2002~2k2)
Input jack; 2
Max. sensitivity; 78mV (-20dBs)
Input impedance; 100kQ
Output jack; 2
Output level; 5|00mV (fixed)
Output impedance; 2.5k{2
Matching impendnce;
50k{2 or more
Headphone jack; 1
Output level; 0.75mW
Matching impedance; 82
Min. input level; 0.2mV/kQ
Input impedance; 2.2kQ
Output level; 5|00mV
Output impedance; 2.5k{2
Matching load impedance;
50kQ2 or more
DC 6V (“D” size CELL x 4)
External DC power; 6V
AC power;
120V, 60Hz for KD-2J/C
120/220/240V, 50Hz for
KD-2A/B/E
100V, 115V 230V
50/60Hz for KD-2U
5.5W (KD-2J/C) 6W (IKD-2A/B/E/U)
Approx. 6 hours of continuous
recording (on super type batteries)
10-7/8 (width) x 3-3/4 (height)
x 11-3/8 (depth) in.
8.8 Ibs. (including 4 batteries)
Design and specifications are subject to change without notice.

JVC KD-2A Specifications

General

Brand	JVC
Model	KD-2A
Category	Cassette Player
Language	English