Sony HCD-EX6, Руководство по обслуживанию

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HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
14
CD SERVO TEST MODE
This mode can check the servo system operations of the optical
pick-up system (= optical unit + BD74 board).
Note 1: Do not enter the this mode while any other test mode is in prog-
ress.
Note 2: Do not enter any other test mode while the this mode is in prog-
ress.
How to Enter the CD Servo Test Mode
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press the [FUNCTION] button to select CD function.
3. Press three buttons of [
u
], [
M L
] and [
?/1
]
simultaneously.
4. It enters the CD servo test mode and displays “xx xxxx”.
How to Exit from the CD Servo Test Mode
Procedure:
1. Press three buttons of [
u
], [
M L
] and [
?/1
]
simultaneously.
2. It releases from the CD Servo Test Mode and returns to the
ordinary CD function.
Key Operation:
[
M L
], [– TUNING
l m
]:
Use these keys to move the cursor to the right digit
or to the left digit in the six-digit number, when
changing the numeric value.
Press [
M L
] to move the cursor to
the right, and press [– TUNING
l m
] to return
the cursor to the left.
CD SERVICE MODE
This mode can move the SLED of the optical pick-up, and also can
turn the optical pick-up laser power on and off.
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press three buttons of [
u
], [ENTER] and [
?/1
] simultane-
ously.
3. Press the [FUNCTION] button to select CD function.
4. It enters the CD service mode and displays “SERVICE”.
5. To release from this mode, press three buttons of [
u
], [EN-
TER] and [
?/1
] simultaneously.
Key Operation:
[
M L
], [– TUNING
l m
]:
Use these keys to move the SLED. When [TUN-
ING +
M L
] is pressed in this mode, the SLED
moves to outer circumference and the message
“SLED OUT” is displayed.
When [– TUNING
l m
] is pressed in this
mode, the SLED moves to inner circumference and
the message “SLED IN” is displayed.
[CD]:
Use this key to turn the optical pick-up laser power
on and off. When the laser power is turned on, the
message “LD ON” is displayed. When the laser
power is turned off, the message “LD OFF” is dis-
played.
CD FACTORY MODE
Note 1: Do not enter the this mode while any other testmode is in prog-
ress.
Note 2: Do not enter any other test mode while the this mode is in prog-
ress.
Procedure:
1. Press the [
?/1
] button to turn the power on.
2. Press the [FUNCTION] button to select CD function
3. Press three buttons of [
u
], [USB] and [
?/1
] simultaneously.
4. It enters the CD factory mode and the message “FACTORY”
is displayed. When the [CD] button is pressed four times, the
following message (initial display) is displayed.
– – ON S
S character mode setting
Tracking servo setting
RF gain setting
Key Operation:
[CD]:
The display changes in the following order when-
ever the button is pressed.
(Initial display)
FSCAG ** (**: Focus AGC value)
TRKAG ** (**: Track AGC value)
RF_AG ** (**: RF AGC value)
[DSGX]:
RF gain setting changes whenever the button is
pressed.
“-- --”: No gain fi xation.
“AL”: Fix to the gain for AL disc.
“RW”: Fix to the gain for RW disc.
[USB]:
Tracking servo setting changes whenever the but-
ton is pressed.
“ON”: Tracking servo ON.
“OFF”: Tracking servo OFF.
[FUNCTION]:
S character mode setting changes whenever the but-
ton is pressed.
“ ”: S character mode OFF.
“S”: S character mode ON.
5. To release from this mode, press three buttons of [
u
], [USB]
and [
?/1
] simultaneously.