Test Mode - Sony CDP-M333ES Service Manual

ADJ MODE
1. Turn ON the power of the unit, set disc to disc table, and per-
form chucking.
2. Remove the power cord from the outlet.
3. To set ADJ mode, connect the TP4 (ADJ) of the MAIN board
to ground, and connect the power cord to the outlet.
In this mode, table rotation and loading operations are not per-
formed because it is taken that the disc has already been chucked.
Note: The same operations are also performed in the following when the
TP4 (ADJ) is connected to ground after turning on 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
ADJ Mode Special Functions Table
Button
Servo average display
CONTINUE Displays VC, FE, RF, TE and traverse in hexadeci-
mal numbers
Focus bias display
Each time this is pressed, the focus bias is
switched between 1 and 2
SHUFFLE (1)
Bias actually set
(2)
U:Upper aliasing bias
Auto gain display
PROGRAM Displays focus, tracking, sledding in
hexadecimal numbers
GROUP 3 (3) Turns off the tracking and sledding servo
GROUP 8 (8) Turns on the tracking and sledding servo
S-curve observation mode.
CHECK
(Release this mode when the I/
• Checking Location
– MAIN BOARD (Conductor Side) –
IC501
GND
TP5
TP4(ADJ)
(AFADJ)
16
SECTION 5

TEST MODE

Function
Optimum bias Minimum jitter
L:Lower aliasing bias
1 button is pressed.)
KEY AND DISPLAY CHECK MODE
To set this mode, connect the TP5 (AFADJ) on the MAIN board to
ground, and connect the power cord 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.
x (stop) button : FL segment check
(Refer to FL Tube Check Patterns)
X (pause) button : FL grid check
(Refer to FL Tube Check Patterns)
The
neously.
(play) button : All FL segment and grid will light up.
H
LED also lights up simultaneously.
H
TIMER switch : When the switch position is
[STANDBY]
when set to
Each time this button is pressed, the value of the "Go+ ## keys"
increases. Buttons pressed once will not be counted when pressed
again.
FL Tube Check Patterns
Segment check
Grid check
A B C
• When the jog dial is rotated to the right, the GROUP LEDs light
up in the order of 1t2..8tHIT LISTtEASY
PLAYtARTIST MODEtMEGA CTRLt1.
• When the jog dial is rotated to the left, the GROUP LEDs light
up in the order of 8t7..1tMEGA CTRLtARTIST
MODEtEASY PLAYtHIT LISTt8.
• Abbreviation
FL: Fluorescent Indicator Tube
LED also lights up simulta-
X
[PLAY]
LED lights up. It goes OFF
[OFF]
.
Magnified
D E F G
, the