Table of Contents
Advertisement
eR
O79
S/S Sa
TT
ADJUSTMENT
Microcomputer built in the unit, comprises service program to facilitate servo adjustment by pushing operation button.
1. Start service program
(1) Turn power switch OFF.
(2) Shortcircuit pin @ (SWCL) and @ pin (SWOP)
of connector (TP102) on P.W.B. (Main Unit)
(Caution) Do not touch other pins.
(3) Turn power switch ON.
=
(Service program starts, and displays track number
ttt )
(Caution)
e When service program started normal operation of buttons will be defeated.
2. Service program function
&
OPEN/CLOSE
| Opens or closes the disc holder. | @ Opens or closes only when disc is stopped.
@ Operate other keys after open or close.
ME sTOP
Stops system function.
@ Displays track number
{7 #.
@ Push when adjustment completed, or do it again.
P
PLAY
Starts focus servo and disc turns. | @ Push when adjust tracking offset.
:
na
@ When completed, displays track number uc
.
Il PAUSE
Starts focus servo, tracking
@ When PAUSE button is pushed, starts tracking servo and slide servo.
servo, slide servo, spindle servo.
| @ When completed, track number GF.
Other button
No normal operation.
e@ Do not operate buttons other than above.
@ If misoperated, immediately turn power switch OFF.
(Caution)
e Do not use remote control during service program mode.
3. Adjustment
(1) Location
MAIN UNIT
POWER
TRANS
VRIO2
8
TPIO! TPIO2
TP101
TP 102
VRIO4
|
© TEI
© +5V
® VC
® NC
@
FOK
@
SWOP
@® TEO
@
SWCL
@® FEI
@
GND
@ FEO
@ HF
v
FRONT PANEL
12
Advertisement
Table of Contents
