Read Sony ICF-CD815 Service Manual online
12
ICF-CD815
CD TEST MODE
Procedure:
1. Turn the power on and set both of the alarm mode switch of A and B OFF.
2. Set the CD mode and press the key in order of [A] and [ ]
2. Set the CD mode and press the key in order of [A] and [ ]
>
(press simultaneously)
→ [CLOCK SET] and [OFF] (press simultaneously)
→ [B] and [ ]
.
(press simultaneously) within 5 seconds.
3. When the CD test mode is activated, “81” is displayed on the LED indicator element.
4. Insert a CD disc to the set.
5. Press the [CD] key to the playback.
6. The following shows the state transition table for each key operation in respective modes of CD TEST MODE.
4. Insert a CD disc to the set.
5. Press the [CD] key to the playback.
6. The following shows the state transition table for each key operation in respective modes of CD TEST MODE.
State Transition Table
Mode
Explanation
STOP0
State when CD test mode is activated (All servo on)
STOP
State of all servo stop
FOCUS0
Mode in which continuously repeats focus search for S character, RFDC and focus on
FOCUS
State of focus/CLV servo on and TRK/sled servo off
AUTO
Mode in which automatic adjustment is made at once
ALSV
State of all servo on
TGUP
State in which TRK gain up with all servo on
RF AGC OFF
State of all servo on with RF AGC off
DISP ADJ
Mode in which automatic adjustment result is displayed and changed
CMD
Mode in which forwards setting command to CD processor
JUMP
Mode in which continuously repeats track jump of fixed number
Mode
Display
OFF
CD
RADIO
SLEEP
SNOOZE
A
B
.
>
CLOCK
Processing
ON
SET
end
STOP0
81
FOCUS
DISP
Normal
Sled inner
Sled outer
ADJ
mode
movement
movement
STOP
82
STOP0
FOCUS0
Normal
CMD
Sled inner
Sled outer
GAIN
mode
movement
movement
FOCUS0
F0
STOP
S character,
RFDC and
RFD cpeak
value display
FOCUS
F1
STOP
ALSV
AUTO
DISP
CMD
Sled inner
Sled outer
ADJ
movement
movement
AUTO
A1
STOP
ALSV
ALSV
A 00
STOP
TGUP
RF AGC
DISP
JUMP
CMD
Sled inner
Sled outer
OFF
ADJ
movement
movement
TGUP
A2
STOP
ALSV
RF AGC
A3
STOP
ALSV
OFF
DISP
0 00
STOP0 FOCUS
Adjustment
Normal
Adjustment
Adjustment
ADJ
value type
mode
value
value
change
decrease
increase
CMD
0 00
STOP
Command
FOCUS0
Normal
Command
Adjustment
Adjustment
transmission
mode
mode setting
value
value
change
decrease
increase
GAIN
0 00
STOP
Gain change
Gain value
Gain value
Gain type
command
decrease
increase
change/stop
transmission
JUMP
b 0
Jump
Jump mode
ALSV
Sled inner
Sled outer
start/stop
setting
movement
movement
change
The blank in the table is shown that there is no change in the state even if the key is pressed.
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