ICF-CD73W - Sony Audio Service Manual (repair manual). Page 11

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ICF-CD73W
11
SECTION  4
TEST  MODE
LCD  AND  KEY  TEST  MODE
Procedure:
1.  Turn the power on while pressing simultaneously three buttons 
of [RADIO ON BAND], [CLOCK], and [1].
2.  The microcomputer version will be displayed on the LCD.
3.  Press the [AUTO OFF] button. (The LCD display will become 
as follows)
LCD display
RADIO
CD
SHUFFLE
REP1
MHz
kHz
AUTO OFF
TIMER
PRESET
TRACK
WEATHER
FM12PM
AM
ALL
4.  BEEP (A) will be output and the display corresponding to a 
button is turned off, if a button on the set is pressed. Also, 
BEEP (A) is output when the button is released.
Button Corresponding Table
Button
Segment
CLOCK
AM, PM, : (colon),
TIMER SET ON/OFF
 TIMER   , AUTO OFF
1
1b, 1c
2
2a, 2b, 2d, 2e, 2g
3
3a, 3b, 3c, 3d, 3g
4
4b, 4c, 4f, 4g
5
5a, 5c, 5d, 5f, 5g
TUNE – .
6a, 6b, 6c, 6d, 6e, 6f, 6g
TUNE + >
 TRACK , PRESET
RADIO ON BAND
RADIO, WEATHER, FM, 1(FM), 2(FM), 
.(point), MHz, kHz
OFF x
BatteryLow, 1a, 1d, 1e, 1f, 1g, 1h, 1i, 2c, 
2f, 2h, 2i, 3e, 3f, 4a, 4d, 4e, 5b, 5e
CD u
CD, Pz1, Pz2, Pz3, Pz4
MODE
, SHUFFLE, REP, 1, ALL
5.  After all buttons on the set were pressed, press the [AUTO 
OFF] button, and BEEP (B) will be output and the test mode 
will be terminated.
6.  If there is even one button that was not accepted, the set will 
not be released from test mode even though the [AUTO OFF] 
button is pressed.
7.  The set will return to normal state when the LCD AND KEY 
TEST MODE is terminated.
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