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1. Safety guideline in servicing
1. Safety guideline in servicing
1) 1)
Ne
Neve
ver t
r tou
ouch
ch th the p
Serious injury or even death may result.
Serious injury or even death may result.
2) 2)
Do not expose the set to rain or water.
Do not expose the set to rain or water.
A risk of fire or electric shock can result.
A risk of fire or electric shock can result.
3) 3)
Use an adequate power cord.
Use an adequate power cord.
A risk of fire or electric shock can result.
A risk of fire or electric shock can result.
4) 4)
Do not attempt to service or modify the set w
Do not attempt to service
A risk of fire or electric shock can result.
A risk of fire or electric shock can result.
5) 5)
Leave the maintenance service to a service engineer having qualification, knowledge and
Leave the maintenance service to a service engineer having qualification, knowledge and
experience.
experience.
A risk of
A risk of electric shock, injury or fire can result.
electric shock, injury or fire can result.
6) 6)
Always employ genuine parts indicated in
Always employ genuine parts indicated in the service manual for replacement.
A risk of fire or electric shock can result.
A risk of fire or electric shock can result.
7) 7)
In reassembling use the specified binding bands, clampers, tubes and barriers--all of which
In reassembling use the specified binding bands, clampers, tubes and barriers--all of which
are necessary for insulation/protection--in their original positions.
are necessary for insulation/protection--in their original positions.
A risk of fire or electric shock can result.
A risk of fire or electric shock can result.
2. Other cautions necessary
2. Other cautions necessary
1) 1)
When removing
When removing the cables
prevent the occurrence of poor contact.
prevent the occurrence of poor contact.
2) 2)
When atta
When attaching/detach
ching/detaching screw
3. Caution for LEAD-FREE soldering work
3. Caution for LEAD-FREE soldering work
For this equipment, parts compatible with lead-free materials are used.
For this equipment, parts compatible with lead-free materials are used.
Please observe the following precautions, when performing any soldering work.
Please observe the following precautions, when performing any soldering work.
1) 1) Use lead-free solder
Use lead-free solder for substrates mounted with lead-free
If you use eutectic solder by mistake, solder will not fuse well
If you use
eutectic solder by mistake, solder will not fuse well because of the difference in fusion point.
2) 2) Fusion
Fusion Point
Point
Lead-free solder:
Lead-free
solder:
Eutectic
Eutectic solder :
solder : 183°
3) 3)
Solder compositio
Solder
composition n of of Lead-free
[Maker]
[Maker]
Nihon
Nihon Genma
Genma
Senju metal
Senju
metal
(#:This mark shows the diameter of the solder wire.)
(#:This mark shows the diameter of the solder wire.)
4) 4)
Use without
Use without fail a
fail a temperature adjustable soldering
the power consumption of the soldering iron must use from 25W to 75W.
the power consumption of the soldering iron must use from 25W to 75W.
[Solder Iron tip temperature and contact time]
[Solder Iron tip temperature and contact time]
*SMD Chip
*SMD
Chip
*SMD
*SMD QFP
QFP
Heat
Heat sink
sink
Ax,RD
Ax,RD
*SMD: Surface Mounting Device
*SMD: Surface Mounting Device
e por
orti tion
ons w
s wit ith t
h the
he ma
or modify the set w ithout prior permission of the manufacturer.
the cables from their
from their connectors, take care not
connectors, take care not to damage
ing screws, use a
s, use a screwdrive
for substrates mounted with lead-free parts.
220° C C
220°
183° C C
Lead-free solder:
solder: Sn-3.0Ag-0.
[Type]
[Type]
DHB-RMA
DHB-RMA NP303-###
NP303-###
ESC F3
ESC
F3 M705E-###
M705E-###
temperature adjustable soldering iron for
Category of of Parts
Category
Parts
The Parts
The
Parts of of Chip
Chip type
type
The Parts
The
Parts (IC)
(IC) of of Quad
Quad Flat
Flat Pack
Heat sink
Heat
sink
The Parts of Axial or Radial type
The Parts of Axial or Radial type
(The Electric Parts other than the above-mentioned.
(The Electric Parts other than the above-mentioned.
Ex.: IC, Transistor, Resistor, Capacitor)
Ex.: IC, Transistor, Resistor, Capacitor)
mark rkin ing (
g (
). ).
ithout prior permission of the manufacturer.
the service manual for replacement.
screwdriver that is w
r that is well-fit to the
parts.
Sn-3.0Ag-0.5Cu
5Cu
iron for working with
Pack Package
Package type
type
to damage the wire
the wire portions so as
ell-fit to the screw size.
screw size.
because of the difference in fusion point.
working with lead-free solder. Moreover,
lead-free solder. Moreover,
Lead-free solder
Lead-free
solder
300-320°C
300-320°C
(1-3sec)
(1-3sec)
320-350°C
320-350°C
(1-3sec)
(1-3sec)
360-380°C
360-380°C
(1-3sec)
(1-3sec)
340-370°C
340-370°C
(1-3sec)
(1-3sec)
portions so as to to
Eutectic solder
Eutectic
solder
260-280°C
260-280°C
(1-3sec)
(1-3sec)
280-300°C
280-300°C
(1-3sec)
(1-3sec)
320-420°C
320-420°C
(1-3sec)
(1-3sec)
350-390°C
350-390°C
(1-3sec)
(1-3sec)
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