JVC MX-KA3 Service Manual

MX-KA3
1-14
 Removing the switch PCB and sound
mode and CD function switch PCB
(See Fig.20 to 23)

Prior to performing the following procedures, remove
the top cover.

Also remove the CD changer unit.

Also remove the front panel assembly.
1. Pull out the volume control knob from the front of
the front panel assembly.(Fig.22)
2. Remove six screws Q retaining the front panel
assembly.
3. Remove the control/FL PCB.
4. Remove eleven screws R retaining the switch (key 1)
PCB.(Fig.20)
5. Remove two screws S retaining the sound mode
and CD function (key 2) switch PCB.(Fig.21)
Fig.22
Fig.23
Volume knob
Front panel assembly
Front panel
assembly
Volume
shaft

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