Service Precautions; Notes On Soldering; Notes On Replacing; Service Notice - PIONEER DJ AlphaTheta CDJ-3000 Service Manual

5

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.
Do NOT use a soldering iron whose tip temperature cannot be controlled.

1.2 NOTES ON REPLACING

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.
MAIN Assy
IC1001, IC1003
IC1201
IC1401
IC1801
IC2401, IC2601
IC2802
IC3001
IC3602
IC3802
IC4001
Q1401, Q1402
LCDB Assy
IC6001
IC6004
PNLA Assy
IC7203

1.3 SERVICE NOTICE

g Caution of the removal of the Control panel Section
The two FFCs that connect between the Control panel section and the Chassis section are short in length.
Therefore, they cannot be opened 180 degrees with the FFCs still connected.
Be careful not to damage the FFC or the connector when removing the Control panel section or diagnosing it.
Control panel Section
5
6
Parts that is Difficult to Replace
Function
DC/DC CONVERTER
DC/DC CONVERTER
PMIC
MAIN CPU
LPDDR4
eMMC
DC/DC CONVERTER
USB-B HUB
USB-LAN
LAN-HUB
FET
LCD POWER IC
LCD BACKLIGHT DRIVER
RGB LED CONTROLLER
Good
FFC
Chassis Section
6
7
Part No.
BD9328EFJ
TPS53515RVE
BD9571MWF
R8A774A0HC01BG@V
K4F8E3S4HB-MFCJ
THGBMJG6C1LBAU7@V
MM3543BH
RTS5412E-GR
RTL8153B-VB-CG
RTL8367SB-CG
IPG20N04S4L-08
R1290K103A
IS31BL3555-ZLS4
IS31FL3236AQFLS2
CDJ-3000
7
8
Remarks
IC with heat-pad
IC with heat-pad
IC with heat-pad
BGA
BGA
BGA
IC with heat-pad
IC with heat-pad
IC with heat-pad
IC with heat-pad
Transistor with heat-pad
IC with heat-pad
IC with heat-pad
IC with heat-pad
NG
8
A
B
C
D
E
F
3