Read Sony ICF-CD855 / ICF-CD855L Service Manual online
11
ICF-CD855/CD855L
CD TEST MODE
Procedure:
1. Connect 22 k
1. Connect 22 k
Ω and 100 kΩ resistors in parallel to the end of S618 on the LCD board, and short another end of resistors to the GND,
and the CD TEST MODE will be activated.
2. Insert a CD disc.
3. Turn the power on. Press the
3. Turn the power on. Press the
CD
u
button.
4. The following shows the state transition table for each button operation in respective sub modes of CD TEST MODE.
State Transition Table
If each button is pressed in respective sub modes, the mode will transit to the sub modes listed in table.
Mode transits to sub modes listed in table, if a button is pressed in respective sub modes.
5.
Turn the power off to release the CD TEST MODE.
MODE
Explanation
LCD
Button
MAIN
SUB
OFF
CD
–
+
RADIO ON
SLEEP
–
+
Processing
BAND
end
Long pressed
INT
State when TEST MODE is activated.
0
STOP0
FOCUS0
STOP
STOP0
State when a button is pressed once from initial state.
1
FOCUS0
SLDF
SLDF
SLDR
SLDR
EF
ADJ1:11
Normal
STOP0
Automatically adjusted value is held.
2
STOP0
FOCUS0
Normal
FOCUS
FOCUS0
AUTO FOCUS transfer mode
3
STOP
FOCUS
FOCUS
FOCUS SERVO ON state.(CLV-S, TRK/SLED, SERVO OFF)
4
STOP
F.LPC
EF
AUTO
It will be referred to as LPC ON if FOCUS carries out on.
OFF
ADJ2:11
F.LPC OFF
LPC OFF in FOCUS state.
5
STOP
ALSV
FCSF
FCSF
FCSR
FCSR
SCURVE
ALL
ALSV
State where all servo systems are turned on.
7
STOP
LPC OFF
FCSF
FCSR
EF
ADJ3:11
AUTO
SERVO
ALPC OFF
State where all servo systems are turned on.(LPC:OFF)
8
STOP
TGUP
FCSF
FCSR
TGUP
State with TRK GAIN UP in all servo systems are turned on.(LPC:ON)
9
STOP
ALSV
FCSF
FCSR
AUTO
Mode in which automatic adjustment is made at once.
b
SLED
SLDF
SLED is fed outward in STOP state.
c
STOP
STOP
STOP
STOP
STOP
SLDF
SLDR
SLED is fed inward in STOP state.
d
STOP
STOP
STOP
STOP
SLDR
F.SLED
FCSF
SLED is fed outward in FOCUS state.
E
FOCUS
FOCUS
FOCUS
FOCUS
FOCUS
FCSF
FCSR
SLED is fed inward in FOCUS state.
F
FOCUS
FOCUS
STOP
FOCUS
FOCUS
FOCUS
FCDR
.
>
.
>
u
x
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