Test Mode - Sony ICF-CD855V Service Manual

ICF-CD855V
LCD, LED AND KEY TEST MODE
Procedure:
1. Turn the power on while pressing simultaneously three but-
[RADIO ON/BAND]
tons of
2. The microcomputer version will be displayed on the LCD.
3. Press the
SNOOZE•SLEEP OFF
will become as follows)
LCD display
RADIO
WEATHER
FM1FM2
FM MONO
LWTVAM
SLEEP
MWPM
ALARM A
AM
PM
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
CLOCK
ALARM A
ALARM B
VOL +
VOL –
SLEEP
NAP
1
2
3
4
5
TUNE/TIME SET – .
TUNE/TIME SET + >
RADIO ON, BAND
OFF x
CD u
MODE
5. After all buttons on the set were pressed, press
the SNOOZE•SLEEP OFF
put 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 SNOOZE•SLEEP OFF
7. The set will return to normal state when the LCD, LED AND
KEY TEST MODE is terminated.
10
SECTION 4

TEST MODE

[CLOCK] [MODE]
, , and .
button. (The LCD display
WAKE UP
CD
VOL
NAP
TRACK
SHUFFLE
REP 1 ALL
ALARM B
MHz
AM
kHz
PM
Segment
AM, PM, : (colon),
ALARM A, AM (ALARM A),
PM (ALARM A), 1 (ALARM A),
2 (ALARM A), 7 segment 1/2/3,
ALARM A LED
ALARM B, AM (ALARM B),
PM (ALARM B), 1 (ALARM B),
2 (ALARM B), 7 segment 7/8/9,
ALARM B LED
– VOL –
4e, 4f, 5a, 5d, 5e, 6b, 6e
SLEEP
NAP
1b, 1c
2a, 2b, 2d, 2e, 2g
4a, 4b, 4c, 4d, 4g
5b, 5c, 5f, 5g
6a, 6c, 6d, 6f, 6g
7 segment 11
7 segment 10
RADIO, WEATHER, TV, FM1,
FM2, LW, MW
MHz, kHz
CD, B, TRACK , WAKE UP
REP, 1, ALL, SHUFFLE,
FM-MONO
button, and BEEP (B) will be out-
button is pressed.