FR-N3X
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
This set employs a laser. Therefore, be sure to follow carefully
the instructions below when servicing.
WARNING!!
SERVICE WARNING : DO NOT APPROACH THE
LASER EXIT WITH THE EYE TOO CLOSELY.
IN CASE IT IS NECESSARY TO CONFIRM LASER
BEAM EMISSION, BE SURE TO OBSERVE FROM
A DISTANCE OF MORE THAN 30cm FROM THE
SURFACE OF THE OBJECTIVE LENS ON THE
OPTICAL PICK-UP BLOCK.
Laser Diode Properties
Material: GaAS/GaALAs
Wavelength: 780nm
Emission Duration: continuous
Laser output: max. 0.5mW*
*This output is the value measured at a distance about 1.8mm
from the objective lens surface on the Optical Pick-up Block.
LASER WARNING LABEL
The label shown below are affixed.
1. Warning label
2. Class 1 label
"CLASS 1 LASER
PRODUCT"
LUOKAN 1
LASERLAITE
KLASS 1
LASER APPARAT
SERVICE PROCEDURE
1. Replacing the fuses
REF.NO. PART NO.
DESCRIPTION
F901A
252158
1.6A-UL/T-237, Fuse <DT>
252083
0.4A-SE-EAK, Fuse <GT,GR,GQ>
NOTE : <DT>
: 120 V model only
<GT,GR,GQ>
: 220 - 230 V models only
This symbol located near the fuse indicates that the
fuse used is show operating type, For continued protection against
fire hazard, replace with same type fuse , For fuse rating, refer to
the marking adjest to the symbol.
(1) Press and the hold down the CD STOP button , then press the
STANDBY/ON button.
(2) All segment light up and character scroll, the preset memory
and each mode stored in the memory, are initialized and will
return to the factory settings.
(3) Press the STANDBY/ON button.
(4) Disconnect the AC power supply cord from a wall outlet.
2. How to initialize the unit
Ce symbole indique que le fusible utilise est e lent.
Pour une protection permanente, n'utiliser que des fusibles de meme
type. Ce demier est indique la qu le present symbol est apposre.
SERVICE PROCEDURES
5. Change the band step
R703
R704
R705
R706
R707
R708
NC
10k
NC
10k
NC
10k
10k
NC
NC
10k
NC
10k
9kHz
10kHz
AM Band step
NC:No connection
3. How to check version of MD mechanism
microprocessor?
(1) Connect the AC power supply cord to a wall outlet.
(2) Press STANDBY/ON to turn on the unit.
(3) Press CD/MD to select the "MD " position, and
Change into the state of "No Disc ".
(4) Press MODE/YES as pressing down DISPLAY.
Microprocessor version on the Fl display
Ex.
"020328 EXX-a"
(5) Disconnect the AC power supply cord from a wall outlet.
4. How to check version of Main microprocessor(Q701)
and Sub microprocessor(Q801)?
(1) Connect the AC power supply cord to a wall outlet.
Pushing STANDBY/ON is continued at operation of (2) and (3).
(2) Press STANDBY/ON as pressing down MULTI JOG.
Main-microprocessor version on the Fl display
Ex.
"Main 020327A "
(3) Press STANDBY/ON as pressing down MULTI JOG.
Sub-microprocessor version on the Fl display
Ex.
"Sub 020227A "
(4) Disconnect the AC power supply cord from a wall outlet.
