Adjustment - Sharp MD-R2 Serivce Manual

MD-R2
TEST MODE
1) Mode there are 5 kinds TEST MODE as below.
MODE
A) MD TEST MODE
B) AUDIO TEST MODE
C) KEY TEST MODE
D) RECORDING TEST MODE
E) MD TEST2 MODE (DATA MONITOR MODE)
2) How to start and quit TEST MODE.
AC Supply On or push RESET KEY after push two keys.
In all TEST MODE. Power Off (POWER KEY) is quit TEST MODE.
3) TEST MODE description.
A) MD TEST MODE (ENTER+PLAY)
Disp. Will be "AUT YOBI". In this mode push ENTER KEY in mean product alignment's auto adjust mode.
(Disp. Will be "AUTO AJST". In this mode push PLAY KEY in mean auto adjust mode by disc condition.
Then push PLAY KEY again. It start play and display will be "a__C__". The 4 digits after "a" are address.
After "C" are error rate.)
PUSH KEY NAME
ENTER
TIMER
NAME
REC
PLAY
STOP
CUE
REVIEW
JOG. UP *1
JOG. DOWN *1
POWER
EJECT
*1. Jog. Up/Jog. Down key effect for loading motor control when display panel "tsm____e__". (Push STOP KEY some times
to disp. "tsm____e__".)
NOTE. MD test are necessary mode only for MD Unit.
B) Audio test mode (CUE+REVIEW)
This mode is key examination mode for a set with in MD-unit.
Automatically set recording mode.
Digital opt. Digital coax and analog are effective.
Test mode start is REC KEY push after disc toc. Read.
REC KEY push
1) Record form analog function by 3 sec time.
2) Record form digital opt. Function by 3 sec time.
3) Record from digital coax. Function by 3 sec time.
4) Record stop.
Note. 1) If digital function is din unclock. Skip to follwing next function.
2) Digital synchronize level is -50 dB.
Analog synchronize level is -47 dB.
C) Key test mode (CUE+ENTER)
This mode is key examination mode for a set with out MD-unit.
This mode indicate destination as below dot display.

ADJUSTMENT

Servo adjust mode or menu from adjust mode.
REC. and P.B. mode or to menu from REC.mode.
Other menu select.
Reverse menu select.
Selected menu execution.
Execute stop.
Slide motor (PIC) move to out-side.
Slide motor (PIC) move to in-side.
Manual alignment +1, loading motor on (OUT).
Manual alignment -1, loading motor on (IN).
Test mode quit and power off.
Disc eject.
– 12 –
PUSH KEY
ENTER PLAY
CUE REVIEW
CUE ENTER
ENTER REC
ENTER STOP
ACTION