TA-MR2ES - Sony Audio Service Manual (repair manual). Page 4

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4
TA-MR2ES
1. MEMORY CLEAR
Procedure:
1
Select the TEST switch to “ON” of the IR ID at back panel.
2
Press the  POWER OFF  key at back panel in advance and
simultaneously press the  POWER ON  key at front panel.
3
See the condition of two LEDs as follows.
2. VERSION show
Procedure:
1
Press the  VOL+  key and  POWER OFF  key of IR TEST in
advance, and simultaneously press the  POWER ON  key at
front panel.
2
If the POWER LED turn on while 250ms, the version
will show you major version.
If IN USE LED turn on while 250ms, the version will
show you minor version.
3
POWER LED goes on, IN USE LED is blinking.
POWER LED
IN USE LED
FIRST
slow blinking 3times
off while power LED
CONDITION
(each 1 sec)
blinking
AFTER
ON
slow blinking each 1
sec
SECTION 2
TEST  MODE
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