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PRECAUTIONS WHEN CHANGING LASER PICK-UP
When removing the pick-up assembly, short circuit the PCB tracks on the optical block as show in the drawing in
order to protect the pick-up before removal.
NOTE
: Replacement pick-up assemblies are supplied with the PCB pattern already protected.
DO NOT REMOVE THE SHORT CIRCUITS UNTIL YOU HAVE FINISHED FITTING THE PICK-UP.
Caution:
Laser diodes are extremely susceptible to damage from static electricity. Even if a static discharge does not ruin
the diode, it can shorten its life or cause it to work improperly. When replacing the pick-up, use a conductive mat, a
grounded soldering iron, and so on, to protect the laser diode from static damage.
Ground Conductive
Wrist Band for Body
Ground Line
Less than
10 ohm
Conductive Gum Mat
Soldering
Iron with
Ground
wire
Protective soldering place
for laser diode
Summary of Contents for C545BEE
Page 1: ...NAD C 545BEE COMPACT DISC PLAYER C 545BEE COMPACT DISC PLAYER SERVICE MANUAL...
Page 14: ...14a MAIN BOARD top side...
Page 16: ...15a MAIN BOARD bottom side...
Page 18: ...16a SERVO BOARD bottom side top side...
Page 31: ...28 SERVO BOARD U2 MOTOR DRV W 3 3V REG...
Page 32: ...29 SERVO BOARD IC1 DSP TC94A73MFG...
Page 35: ...32 TROUBLESHOOTING GUIDE...
Page 48: ...45 MECHANISM EXPLODED VIEW DA11VZ...
Page 53: ...SERVICE MANUAL NAD 2012 C 545BEE COMPACT DISC PLAYER NAD ELECTRONICS INTERNATIONAL TORONTO...