Sony CF-CD73 Service Manual page 11

CD TEST MODE
Procedure:
1. Connect 47 kΩ and 100 kΩ resistors in parallel to the end of S501 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
LCD display
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
MAIN SUB
INT State when TEST MODE is activated.
STOP STOP0 State when a button is pressed once from initial state.
STOP0 Automatically adjusted value is held.
FOCUS FOCUS0 AUTO FOCUS transfer mode
FOCUS FOCUS SERVO ON state.(CLV-S, TRK/SLED, SERVO OFF)
It will be referred to as LPC ON if FOCUS carries out on.
F.LPC OFF LPC OFF in FOCUS state.
ALL ALSV State where all servo systems are turned on.
SERVO ALPC OFF State where all servo systems are turned on.(LPC:OFF)
TGUP State with TRK GAIN UP in all servo systems are turned on.(LPC:ON)
AUTO Mode in which automatic adjustment is made at once.
SLED SLDF SLED is fed outward in STOP state.
SLDR SLED is fed inward in STOP state.
F.SLED FCSF SLED is fed outward in FOCUS state.
FCSR SLED is fed inward in FOCUS state.
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.
[CD ]
NX button.
CD
Explanation LCD
00
01
02
03
04
05
07
08
09
b
c
d
E
F
OFF CD + –
x NX > .
STOP0 FOCUS0
FOCUS0 STOP STOP
STOP0 FOCUS0
STOP
STOP F.LPC
OFF
STOP ALSV FOCUS FOCUS
STOP ALPC OFF FOCUS FOCUS
STOP TGUP FOCUS FOCUS
STOP ALSV FOCUS FOCUS
STOP STOP
STOP STOP
FOCUS FOCUS
FOCUS FOCUS
ICF-CD73/CD73V
Button
RADIO ON AUTO OFF + –
.
>
BAND
Long pressed
EF Normal SLDF SLDR
Normal SLDF SLDR
EF AUTO FCSF FCSR
FOCUS0 FCSF FCSR
EF AUTO FCSF FCSR
FCSF FCSR
FCSF FCSR
STOP STOP SLDF
STOP STOP SLDR
FOCUS FOCUS FCSF
FOCUS FOCUS FCSR
Processing
end
FOCUS
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