General - Sony TA-MR2ES Service Manual

QQ
3 7 63 1515 0
TE
L 13942296513
www
.
http://www.xiaoyu163.com
Parts and Controls
Front panel of the amplifier
1 2 3
ON IN USE
POWER
*To remove the cover
Press either ends of the cover lid to remove the cover.
After you have finished adjusting the ATTENUATOR
L/R, place the cover lid back to its original position.
Rear panel of the amplifier
5
POWER POWER POWER VOL VOL
MUTING
ON / OFF ON OFF
IR TEST
ON
OFF IR IN
12V TRIGGER IR IN AUDIO SENSING 1 2 3 4 TEST
AUTO POWER SELECTOR IR ID IR REMOTE
qs qa q;
5 IR TEST buttons (page 12)
Press the appropriate button to output the IR codes
you want to teach through the IR OUT terminal.
6 AUDIO jacks (page 10)
a) AUDIO IN
RCA jacks for stereo line level audio input from a
multi-room system.
b) AUDIO OUT
RCA jacks for looping out to another amplifier or
component.
Note
This is a buffered audio connection, and this loop-through is
active even when the IN USE indicator is off, as long as the
AC power cord is plugged in and the POWER switch is on.
7 SPEAKERS (page 10)
Terminal which accepts speaker wire sizes up to
12AWG.
Leave the AC power cord unplugged when you hook
x ao
y
up speaker cables.
8 AC IN (page 10)
i
Removable power cord for easy serviceability of the
amplifier.
http://www.xiaoyu163.com
SECTION 1

GENERAL

8
1 POWER switch
Press to turn the power on or off.
2 ON indicator
The ON indicator lights up as follows:
– green: the power is on.
– green (flashing three times): the amplifier's memory
is cleared.
– off: the power is off.
3 IN USE indicator
The IN USE indicator lights up as follows:
– green: the amplifier is in use.
– green (flashing): the IR ID TEST switch is set to
"ON".
– green (fast flashing): the IR TEST function is in
progress.
– red (flashing): "PROTECTION" mode is turned on.
– off: the amplifier is not in use.
ATTENUATOR L/R
4
Adjusts the maximum volume level of this amplifier to
Q Q
3 6 7 1 3
match the room and the speakers used.
6 7
L
R
IR OUT IN OUT IN OUT R
12V TRIGGER AUDIO SPEAKERS
9
9 12V TRIGGER jacks (page 10)
a) IN
A 3.5 mm monaural mini jack to turn on the amplifier
via a 12-volt trigger input.
b) OUT
Enables the looping of amplifier control from one to
the next to trigger multiple amplifiers from a 12-volt
trigger output.
q; IR REMOTE jacks (page 10)
a) IR IN
Connects to an outboard IR repeater system so you
can operate the amplifier from a distant room.
b) IR OUT
A 3.5 mm monaural mini jack for the connection of an
IR emitter to control other components individually.
IR signals received will be routed to the IR sensor of
the other components.
u163
Outputs IR from the IR TEST system built into the rear
of the amplifier.
.
qa IR ID switches (page 12)
Select from 12 discrete IR code tables to communicate
with up to 12 TA-MR2ES amplifiers (with individual
IR ID) on one IR repeater network.
qs AUTO POWER SELECTOR switch (page 11)
Selects the method for activating the amplifier.
This section is extracted
from instruction manual.
2 9 9 4 2 8
*
4
+ +
L ATTENUATOR R
1 5 0 5 8 2 9 9 4
8
L
AC IN
m
co
TA-MR2ES
9 9
2 8 9 9
3