JVC MX-KA3 Service Manual

MX-KA3
1-16
Fig.28
A
W
Fig.27
Cassette deck mechanism
(Front side)
VU
PB Head
REC/PB Head
VU
 Removing the cassette deck heads
(See Fig. 19 and 27)

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 that retain the cassette deck
mechanism. (Fig.19)
2. Remove the cassette deck mechanism and place
it so that the front side faces up.
3. Remove the solder from the bottom side of the head
terminal and disconnect the wire.
4. Remove screw U that retains the head.
5. Remove screw V that retains the head.
6. Hold the head and slide it in the direction of the
arrow to remove it.
 Removing the 3-pin regulator and bridge
diode
(See Q904, Q907, D901, D914 and Fig.28)

Prior to performing the following procedures, remove
the top cover and both sides board.
1. Remove two screws A that connect the heat sink.
2. Remove two screws W that connect the heat sink.
3. Remove the solder fixing the the 3-pin terminal regulator
Q904, Q907.
4. Remove the solder fixing the 4-pin bridge diode (D901,
D914).

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