JVC MX-KA3 Service Manual

MX-KA3
1-15
Fig.26
Cassette deck mechanism
(Back side)
Solder side of leaf switch
Fig.24
t
Cassette deck mechanism
(Front side)
Fig.25
Cassette deck mechanism
(Back side)
Cassette deck main motor
Main belt
(For A cassette)
Main belt
(For B cassette)
 Removing the leaf switches of the cassette
deck mechanism (See Fig. 19 and 26)

Prior to performing the following procedures, remove
the top cover and both sides board.

Also remove the CD changer unit.

Also remove the front panel assembly.
1. Remove the six screws Z that retain the cassette
deck mechanism. (Fig.19)
2. Remove the cassette deck mechanism.
3. Turn the cassette deck mechanism upside down.
4. Remove the solder from around the leaf switches.
5. Pull out the leaf switches from the front side of the
cassette deck mechanism.
 Removing the cassette deck main motor,
and replacing the main belts
(See Fig.19, 24 and 25)

Prior to performing the following procedures, remove
the top cover and both sides board.

Also remove the CD changer unit.

Also remove the front panel assembly.
1. Remove six screws Z retaining the cassette deck
mechanism. (Fig.19)
2. Remove the cassette deck mechanism.
3. Remove two screws t retaining the main motor from
the front side of the cassette deck.
[Caution] After attaching the main motor, check the
orientation of the motor and the polarity of
the wires.
4. From the backside of the cassette deck, remove the
main motor and two main belts.
[Caution] The lengths of the cassette A(playback
only) and cassette B(record/play) main
belts are different. When attaching the main
belts, use the longer belt for cassette A.

JVC MX-KA3 Specifications

General

Output Power	80 W per channel
Input Sensitivity/Impedance	300 mV/50 kΩ
Frequency Response	63 Hz - 12, 500 Hz
Wow And Flutter	0.15% (WRMS)
CD Capacity	3 CDs
Dynamic Range	85 dB
Signal-To-Noise Ratio	85 dB
FM Tuner Tuning Range	87.5 MHz - 108.0 MHz
AM Tuner Tuning Range	530 kHz - 1, 710 kHz
Dimensions	267 mm x 305 mm x 433 mm
Mass	7.5 kg
Type	3-way bass-reflex type
Woofer	13.5 cm cone
Mid	5 cm cone
Tweeter	2 cm dome
Power Handling Capacity	80 W
Impedance	6 Ω
Frequency Range	45 Hz - 22, 000 Hz
Sound pressure level	89 dB/W.m
Dimensions	228 mm x 316 mm x 258 mm
Mass	3.1 kg
Power Requirements	AC 120 V, 60 Hz
Power Consumption	125 W (power on mode)
Power Consumption in Standby Mode	17 W