— 7 —
[ MAIN BOARD ] — Component Side —
IC631
TP2 (AFADJ)
R622
TP1 (ADJ)
IC621
CN621
4-2. ADJ MODE
The following operations are performed in the ADJ mode, which
is set by connecting the TP1 (ADJ) terminal to the Ground and
turning on the power.
• During playback, there is no problem even if the GFS is continu-
ously LOW.
• High speed search is prohibited during access.
• During playback, the gain of focus servo and spindle servo does
not decrease.
• Servo related manual operations and measurement can be
performed.
(For details of operations, refer to Table of Button Operrations in
ADJ Mode.)
Table of Button Operations in ADJ Mode
The jitter value display mode can be set after the all-music
remaining number mode using the TIME button.
The functions of the number buttons are shown in the following
table.
Function of Number Buttons
(With the Attached Remote Commander)
1
2
3
4
5
6
7
8
10
Focus bias 8-step up
Middle of focus bias up/down turning point
Tracking servo, sled servo off
Auto gain initialization
Focus servo off
Focus bias 8-step down
Immediate readjustment of focus bias
Tracking servo, sled servo on
Auto focus bias start point
Function
Button
4-3. CLV-S MODE
The spindle servo for playback sets into the CLV-S mode when
the TP2 (AFADJ) terminal is connected to Ground after turning on
the power.
R621
