XR-MR7
84
6.3.1 DISCS TO BE USED
1. When adjusting the servo system adjustment
CD : Test disc for adjustment (STD-903 or equivalent)
6.3.2 JIGS and MEASURING INSTRUMENTS
(1) Laser Power Meter
Following power meter manufactured by Advantest Corporation or
equivalent :
TQ82017
TQ82021
T TQ82017
LE8010 (by LEADER)
(2) Oscilloscope
(3) CD Jitter Meter
(4) Remote control supplied with XR-MR7 (AXD7242)
(LD service remote control GGF1067)
6.3.3 TEST MODE
7
Test Mode
For adjustment, set the unit to Test mode of CDR.
(1) The product is put into the state of the standby.
(2) Power supply ON is done while Short-Circuited of Test Mode pin.
(3) The finction is mode CDR. (All lighting of FL and LED)
(4) STOP Key is pushed.
In Test mode, the display (FL) on the unit lights as follows.
If not, turn the power off and repeat the same steps again.
6.3 CD-R SECTION
ANA
Fig 1: Test Point
SIDE B
TEST MODE
(SHORT-POINT)
AF ASSY
I
TEST MODE
SHORT
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