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1. SERVICE PRECAUTIONS
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1.1 NOTES ON SOLDERING
• For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit.
A
Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs
accompanied by reworking of soldering.
• Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 ºC.
Therefore, for lead-free soldering, the tip temperature of a soldering iron must be set to around 373 ºC in general, although
the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of
the soldering iron.
Do NOT use a soldering iron whose tip temperature cannot be controlled.
Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting
temperatures (hard to melt/easy to harden).
B
The following lead-free solders are available as service parts:
• Parts numbers of lead-free solder:
GYP1006 1.0 in dia.
GYP1007 0.6 in dia.
GYP1008 0.3 in dia.
1.2 ON REPLACEMENT OF THE ICEB AND KEYB ASSYS
The ICEB and KEYB Assys are not supplied individually as service parts because they are connected with the FLKB Assy
with board-in cables. For replacement of these assys, order the FLKB Assy and replace only a necessary part.
C
NSP
NSP
NSP
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L 13942296513
KEYB Assy
1.3 ON REPLACEMENT OF THE SD CARD IN THE MAIN ASSY
D
The SD card in the MAIN Assy cannot be removed from its slot because it is bonded with adhesive at 2 locations.
The SD card is not supplied as a service part, which is, however, scheduled.
E
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ICEB Assy
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BDP-320
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FLKB Assy
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