Test Mode - Sony CF-CD73 Service Manual

ICF-CD73/CD73V
LCD 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.
[AUTO OFF]
3. Press the button. (The LCD display will become
as follows)
LCD display
AUTO OFF
RADIO
TIMER
WEATHER
TV AM
FM12PM
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 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, TV, FM,
1(FM), 2(FM), TV, .(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 NX
CD, Pz1, Pz2, Pz3, Pz4
MODE
5. After all buttons on the set were pressed, press the
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
button is pressed.
7. The set will return to normal state when the LCD AND KEY
TEST MODE is terminated.
10
SECTION 4

TEST MODE

[CLOCK] [1]
, , and .
SHUFFLE
CD
REP1 ALL
PRESET
TRACK
MHz
kHz
Segment
, SHUFFLE, REP, 1, ALL
[AUTO
[AUTO OFF]