Service Precautions; Notes On Soldering; Notes On Replacing Parts - Pioneer CDJ-2000NXS Service Manual

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1. SERVICE PRECAUTIONS

1.1 NOTES ON SOLDERING

• For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit.
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).
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 NOTES ON REPLACING PARTS

The part listed below is difficult to replace as a discrete component part.
When the part listed in the table is defective, replace whole Assy.
Assy Name
Ref No.
CDCB Assy IC5001
TFTB Assy IC4018
USBB Assy IC6301
IC10
MAIN Assy
IC14
IC301
IC705
SRVB Assy IC7301
IC7302
IC7305
The part listed below is difficult to replace as a discrete component part.
The replaceing method see remarks.
Assy Name
Ref No.
JFLB Assy V9201
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Parts that is Difficult to Replace
Function
CDC SENSOR
BACK LIGHT CONTROL
USB CURRENT LIMIT IC
CPU
Authentication Coprocessor
DSP
12V→1.2V DC/DC converter
12V→USB5V DC/DC converter
12V→3.3V DC/DC converter
12V→5V DC/DC converter
Parts that is Difficult to Replace
Function Part No.
JOG FL DEL1058
CDJ-2000NXS
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Part No.
AD7147ACPZ500RL7 IC with heat-pad
TK61222CQ6 IC with heat-pad
TPS2557DRB IC with heat-pad
R5S77641N300BG
BGA package
337S3959-TBB USON package
(UltraSmallOutlineNon-lead)
D810K013BZKB400 BGA package
D810K013CZKB400
BD9328EFJ IC with heat-pad
BD9328EFJ
IC with heat-pad
BD9328EFJ
IC with heat-pad
BD9328EFJ
IC with heat-pad
As the JOG FL is integrated with the FL Holder (DNF1735) with the aid of two
pieces of double-back tape (Z12-016), first remove the integrated JOG FL and
FL Holder, attach a new JOG FL and an FL Holder, using two pieces of
double-back tape, then mount them together. (Note: As the integrated JOG FL
and FL Holder are exactly the same parts as those for the CDJ-2000, you can
handle them in the same manner as with the CDJ-2000.)
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Remarks
Remarks
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