I ON-6OOF
,ADJUSTMENT
k,licrocomputer built in the unit, comprises service program to facilitate servo adjustment by pushing operation button.
1. Start service-program
(1) Turn power s_tch OFF. -
(2) Shortcircuit pin (_ [SWCL) and (_ pin (SWOP) of connector (TP102) on RW.B. (Main Unit)
(Caution) Do not touch other pins.
(3) Turn power switch ON.
(Service program starts, and displays track number D _ )
(Caution)
o'When service program started normal operation of buttons will be defeated.
21.Service program function
_A
Button .... ..,
OPEN/CLOSE: [
Function
Opens or closes the disc holder.
I
• STOP Stops system function.
_" PLAY Starts focusservo and disc turns.
Hi PAUSE Starts focus servo, tracking servo,
slide servo, spindle servo.
Other button No normal operation.
Description
• Opens or closes only when disc is stopped.
• Operate other keys after open or close.
• Displays track number _j _.
• Rush when adjustment completed, or do it ag_.in.
• Push when adjust tracking offset.
rl-i
• When completed, displays track rumber LI C
• When PAUSE button is pushed, starts tracking se_vo and slide servo.
n-t
• When completed, track number U-'#.
• Do not operate buttons other than above.
• If misoperated, immediately turn power switch OFF--.
(Caution)
• Do not use remote control during service program mode.
3. Adjustment
(1) Location
MAIN UNIT
!
POWER_
TRANS
VR102
@
VR104
@
TP101 TP102
SD
FRONT PANEL
TP10I ]-P102
L_ TEl _ -5V
_, VC _, NC
_, FOK _ SWOP
,_, TEO _ SWCL
._, FEI _ GND
_, FEO _ HF
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