ICF-CD855, ICF-CD855L - Sony Audio Service Manual (repair manual). Page 10

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10
ICF-CD855/CD855L
SECTION  4
TEST  MODE
LCD,  LED  AND  KEY  TEST  MODE

Procedure:
1. Turn the power on while pressing simultaneously three but-
tons of 
[RADIO ON/BAND]
, 
[CLOCK]
, and 
[MODE]
.
2. The microcomputer version will be displayed on the LCD.
3. Press the
SNOOZE•SLEEP OFF
button. (The LCD display
will become as follows)
LCD display
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),
ALARM A
ALARM A, AM (ALARM A),
PM (ALARM A), 1 (ALARM A),
2 (ALARM A), 7 segment 1/2/3,
ALARM A LED
ALARM B
ALARM B, AM (ALARM B),
PM (ALARM B), 1 (ALARM B),
2 (ALARM B), 7 segment 7/8/9,
ALARM B LED
VOL +
– VOL –
VOL –
4e, 4f, 5a, 5d, 5e, 6b, 6e
SLEEP
SLEEP
NAP
NAP
1
1b, 1c
2
2a, 2b, 2d, 2e, 2g
3
4a, 4b, 4c, 4d, 4g
4
5b, 5c, 5f, 5g
5
6a, 6c, 6d, 6f, 6g
TUNE/TIME SET – .
7 segment 11
TUNE/TIME SET + >
7 segment 10
RADIO ON, BAND
RADIO, WEATHER, TV,  FM1,
FM2, LW, MW
OFF x
MHz, kHz
CD u
CD, B,   TRACK  , WAKE UP
MODE
REP, 1, ALL, SHUFFLE,
FM-MONO
5. After all buttons on the set were pressed, press
the
SNOOZE•SLEEP OFF
button, and BEEP (B) will be out-
put and the test mode will be terminated.
6. If there is even one button that was not accepted, the set will
n o t   be released f r o m  test mode eve n  t h o u g h
the
SNOOZE•SLEEP OFF
button is pressed.
7. The set will return to normal state when the LCD, LED AND
KEY TEST MODE is terminated.
RADIO
SLEEP
WEATHER
FM1FM2
LWTVAM
MWPM
FM MONO
AM
SHUFFLE
REP 1 ALL
WAKE UP
TRACK
VOL
CD
PM
MHz
kHz
ALARM A
ALARM B
NAP
AM
PM

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