Read Sony CDP-CX300 / CDP-CX335 / CDP-CX350 / CDP-CX691 / SEN-R5900 Service Manual online
– 14 –
SECTION 5
TEST MODE
5-1. ADJ MODE
1. Turn ON the power of the unit, set disc to disc table, and per-
form chucking.
2. Disconnect the power supply plug from the outlet.
3. To set ADJ mode, connect the test point (ADJ) of the MAIN
3. To set ADJ mode, connect the test point (ADJ) of the MAIN
board to Ground, and connect the power supply plug to the outlet.
In this mode, table rotation and loading operations are not performed
because it is taken that the disc has already been chucked.
because it is taken that the disc has already been chucked.
Note: The same operations are also performed in the following when
the test point (ADJ) is connected to Ground after turning on
the power.
the power.
• Direct search (movement of sledding motor) is not performed dur-
ing accessing
• Ignored even when GFS becomes L
• Ignored even when the Q data cannot be read
• Focus gain does not decrease
• Ignored even when the Q data cannot be read
• Focus gain does not decrease
ADJ Mode Special Functions Table
(The buttons shown with ( ) function by using the sup-
plied remote commander only)
(The buttons shown with ( ) function by using the sup-
plied remote commander only)
5-2. KEY AND DISPLAY CHECK MODE
To set this mode, connect the test point (AFADJ) on the MAIN
board to Ground, and connect the power supply plug to the outlet.
board to Ground, and connect the power supply plug to the outlet.
Note: When this mode is executed, all title memos recorded will be
erased.
• When this button is pressed, “line # No. #” will be displayed.
However, these will not be displayed for the following special
buttons. However, these will not be displayed for the following
special buttons.
buttons. However, these will not be displayed for the following
special buttons.
p (stop) button: FL segment check
(Refer to FL Tube Check Patterns)
P (pause) button: FL grid check
(Refer to FL Tube Check Patterns)
The
The
P LED also lights up simultaneously.
· (play) button: All FL segment and grid will light up.
· LED also lights up simultaneously.
TIMER switch:
When the switch position is PLAY , the
STANDBY LED lights up. It goes OFF
when set to OFF .
Each time this button is pressed, the value of the “Go+ ## keys”
increases. Buttons pressed once will not be counted when pressed
again.
increases. Buttons pressed once will not be counted when pressed
again.
FL Tube Check Patterns
Segment check
Button
CONTINUE
SHUFFLE
PROGRAM
GROUP 3 (3)
GROUP 8 (8)
CHECK
Function
Servo average display
Displays VC, FE, RF, TE and traverse in hexadecimal
numbers
Displays VC, FE, RF, TE and traverse in hexadecimal
numbers
Focus bias display
Each time this is pressed, the focus bias is switched
between 1 and 2
between 1 and 2
(1)
Bias actually set Optimum bias Minimum jitter
(2)
U:Upper aliasing bias L:Lower aliasing bias
Bias actually set Optimum bias Minimum jitter
(2)
U:Upper aliasing bias L:Lower aliasing bias
Auto gain display
Displays focus, tracking, sledding in hexadecimal
numbers
numbers
Turns off the tracking and sledding servo
Turns on the tracking and sledding servo
S-curve observation mode.
(Exits this mode when the
(Exits this mode when the
1/u button is pressed.)
Magnified
A B C D E F G
RV501
DISC SENSOR
ADJUSTMENT
1
3
CN506
TP2 (AFADJ) R516
TP1 (ADJ)
R517
1
44
34
33
23
22
22
12 11
IC502
• When the jog dial is rotated to the right, the GROUP LEDs light
up in the order of 1
n2..8nHIT LISTnEASY PLAYnMEGA
CONTROL
n1.
• When the jog dial is rotated to the left, the GROUP LEDs light up
in the order of 8
n 7..1n MEGA CONTROLn EASY
PLAY
nHIT LISTn8.
• Abbreviation
FL: Fluorescent Indicator Tube
FL: Fluorescent Indicator Tube
[ MAIN BOARD ] – Component Side –
Grid check
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