JVC UX-M3R Service Manual

UX-M3R
1-5
Fuse(F903)
1A 250V
Fuse(F901)
1A 250V
Heat sink
Soldered part a
A
Power board
Fuse(F902)
2A 250V
Fig.1
Fig.2
Main board
Power amplifier IC
(IC401)
Replacing the fuses (See Fig. 1.)
<Main body section>
Remove the left side panel according to its
disassembly method (see Figs. 5 and 6).
Fuses are located inside the left side panel.
Disassembly method
Replacement of the fuses and power amplifier IC
[Caution] Be sure to replace the required fuses
with designated ones.
Replacing the power amplifier IC on
the main board (See Fig. 2.)
1.
2.
Remove the main board according to its
disassembly method (see Figs. 17 and 18).
Remove the two screws A that attach the power
amplifier IC onto the heat sink.
In order to replace the power amplifier IC, remove
the solder from soldered part a on the back side of
the main board.

JVC UX-M3R Specifications

Amplifier Specifications

output power	24 W (12 W + 12 W) at 8 Ω (MAX.)
output power at THD	20 W (10 W + 10 W) at 8 Ω (10% THD)
audio output level	800 mV/32 Ω
speakers impedance	8 Ω - 16 Ω

Tuner Specifications

FM tuning range	87.50 MHz - 108.00 MHz
MW tuning range	522 kHz - 1 629 kHz

CD Player Specifications

dynamic range	60 dB
signal-to-noise ratio	60 dB
wow and flutter	Unmeasurable

Cassette Deck Specifications

frequency response for normal tape	100 Hz - 10 000 Hz
wow and flutter	0.35% (WRMS)

General Specifications

power requirement	AC 240 V, 50 Hz
power consumption (operation mode)	30 W
power consumption (standby mode)	1.5 W
dimensions	160 mm × 269.5 mm × 300 mm
mass	4.3 kg

Speaker Specifications

speaker unit (woofer)	10.2 cm cone × 1
speaker unit (tweeter)	5.1 cm cone × 1
impedance	8 Ω
dimensions	160 mm × 269.5 mm × 192 mm
mass	2 kg/each