Protection Of Eyes From Laser Beam During Servicing; Laser Warning Label; Service Procedures - Onkyo FR-N3X Service Manual

SERVICE PROCEDURES

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 WARNING LABEL

The label shown below are affixed.
1. Warning label
SERVICE PROCEDURE
1. Replacing the fuses
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.
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.
REF.NO. PART NO.
F901A 252158
252083
NOTE : <DT>
<GT,GR,GQ> : 220 - 230 V models only
2. How to initialize the unit
(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.
DESCRIPTION
1.6A-UL/T-237, Fuse <DT>
0.4A-SE-EAK, Fuse <GT,GR,GQ>
: 120 V model only
Laser Diode Properties
Material: GaAS/GaALAs
Wavelength: 780nm
Laser output: max. 0.5mW*
Emission Duration: continuous
*This output is the value measured at a distance about 1.8mm
from the objective lens surface on the Optical Pick-up Block.
2. Class 1 label
"CLASS 1 LASER
PRODUCT"
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
"020328 EXX-a"
Ex.
(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
"Main 020327A "
Ex.
(3) Press STANDBY/ON as pressing down MULTI JOG.
Sub-microprocessor version on the Fl display
"Sub 020227A "
Ex.
(4) Disconnect the AC power supply cord from a wall outlet.
5. Change the band step
R703 R704 R705 R706
NC 10k NC 10k
10k NC NC 10k
NC:No connection
FR-N3X
LUOKAN 1
LASERLAITE
KLASS 1
LASER APPARAT
R707 R708 AM Band step
NC 10k 9kHz
NC 10k 10kHz