Read Sony ICF-CD7000 Service Manual online
11
ICF-CD7000
SECTION 4
TEST MODE
KEY AND DISPLAY CHECK MODE
Procedure:
1. Turn the main power on while pressing simultaneously three
keys of [OFF], [NAP] and [PRESET TUNING 1].
2. The microcomputer version will be displayed on the liquid
crystal display.
3. When the [SNOOZE] key is pressed once, each segment and
LEDs of LED indicator element light up all.
4. The electronic sound is output when the key is pressed except
[SNOOZE] key, and the segment and LED on the LED indicator
element corresponding to the key are turned off.
element corresponding to the key are turned off.
5. After all keys except [SNOOZE] key are pressed, Press the
[SNOOZE] key once.
6. The electronic sound is output.
7. Press the [SNOOZE] key once, release from test mode and set
7. Press the [SNOOZE] key once, release from test mode and set
is reset.
CD TEST MODE
Procedure:
1. Turn the power on.
2. Insert the CD to the set, and press the
2. Insert the CD to the set, and press the
u
key to the playback.
3. TP406 (TEST CD) on the KEY (R) board is momentarily
shorted when the CD playback.
4. When the CD test mode is activated, “82” is displayed.
5. Operate it referring to the figure below.
5. Operate it referring to the figure below.
82
STOP 2 MODE
PRESET
TUNING
5
key
TP406 (TESTCD)
on the KEY (R) board
is momentarily shorted
when the CD playback.
on the KEY (R) board
is momentarily shorted
when the CD playback.
F-
FOCUS 2 MODE
F-
FOCUS 1 MODE
NORMAL MODE
(CD PLAY)
(CD PLAY)
OFF key
OFF key
u
key
SLEEP key
Connecting Location:
– KEY (R) BOARD (Conductor Side) –
TP406
(TEST CD)
Fig. A.
Method of operating CD test mode
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