CR-N1
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: 790nm
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
2. Safety-check out
(Only U.S.A. model)
After correcting the original service problem perform the
follwing safety check before releasing the set to the customer
Connect the insulating-resistance tester between the plug of
power supply cord and terminal GND on the back panel.
Specifications: More than 10Mohm at 500V
REF.NO. PART NO.
DESCRIPTION
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 VOLUME DOWN button ,
then press the DISPLAY button.
3. 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. Changing the AM band step
F901
252083 or
0.4A-SE-EAWK
252233 or
400MA-SE-TL250V or
252267
400MA-SE-TL250V <PP,GT,PA,GQ,GR>
252157 or
1.25A-UL/T-237 or
252251
1.25A-T/UL-ST2, Fuse <DD,DT>
NOTE:
<DD> : USA and Canadian model only
<PP> : European model only
<PA> : Australian model only
<DT> : Taiwanese model only
<GT> : Asian model only
<GR> : Chinese model only
<GQ> : Hong kong model only
2. After " All lighting " is displayed, 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. Unplug the AC plug from the wall outlet.
Refer to "SCHEMATIC DIAGRAM-1"
4. Notes at the connecting the measuring instrument
to the unit.
The power amplifier circuit of this unit is BTL system.
Therefore, in case check the output of speaker terminal,
take care not to connect the ground of the unit with the
minus terminal of speaker.