User Guide

E'N.ACEIOF
I
6. Adjustment of Super
Linear Gonverter
Adjustment of Super
Linear
Converter
is
only
performed
at
a
time the
DA Converter is replaced.
Adiustment Procedure
O
Connections
Connect the LINE OUT
to a distortion
meter through the
low-pass filter.
@ Playback a disc
obtains 1kHz, OdB sine
wave tone.
@ Adjust the
VR300, VR301 and obtain
minimum THD.
VR300
.R-channel
VR301 .
L-channel
THD
standard
is
less than 0.006%
About the Service
Program
The
service
program
is a
program
specially for servo adjustments
and for confirmations.
Actuating the Service
Program.
@
Tum the
power
off.
@
While
simultaneously
pushing
the center blue buttons
(1,2)
ot
remote
control
(RC-35),
turn
the
power
on.
@ Program
version of microcomputer
indicated on the remote control signifies start actuating
of service
program.
Contents
of
Service
Program
After actuating the service
program,
select an aiming
process
number with the
TRACK
t|R]fJl
buttons,
TIME
button,
PITCH BEND button, and PITCH button, and
push
the
PLAY button to execute
processing,
The
process
number is then
displayed on the
TRACK indication
portion.
TRACK
BUTTONS
BE
Process No.
ffRACK
Indication)
Function
Contents
Explanation
01
OPEN/CLOSE
Performs OPEN/CLOSE each time the
PLAY button is
pushed.
02
Slide
Moves
pick-up
to the center of disc.
03
FOCUS SERVO ON Turns the
FOCUS Servo ON.
o4
Confirmation
of
TRACKING OFFSET
Rotates the disc. Checks divergence
of
Tracking Otfset.
05
Adjustment of Gain
Adjusts FOCUS,
TRACKING
Gains.
Normally the same as
PLAY MODE.
06
Cleaning
of
Pick-up Lens
Pick-up.
moves when SEARCH
t
l+<ll
>
l)outton
is
pressed.
Move
the
pick-up
under the
hole
of
mechanism PWB, and clean the
lens.
TIME OA
CHUCKING
Test
Repeats OPEN/CLOSE
of tray, servo
ON, and
TOC read.
PITCH
BEND
E
OB
Heat
Run
(No
Skip Check)
Repeats OPEN/CLOSE
of
tray,
repeals
playing
the first and the
last
programs
of music on the
disc. When an
error o@urs, displays enor code
and
stops.
PITCH
BEND
E
0c
Heat Run
(With
Skip
Check)
Repeats
OPEN/CLOSE of tray,
repeats
playing
the
first and the last
program
of music on the disc.
Stops
when
skip
(track
jump)
occurs.
21