Notes On Replacing Parts; Notes On Adjustment; Others - Pioneer AVIC-W8400NEX/XNUC Service Manual

5

1.4 NOTES ON REPLACING PARTS

- Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by electrostatic
induction.
- Please be careful of not to apply static charge onto integrated circuits, etc, when you conduct repair work.
Especially, please use soldering iron with its tip grounded.
Also, please use a pair of tweezers with static charge protection capability if there is the possibility of contacting to device
terminals, and avoid the use of metal-made tweezers.
- 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.
Unit Ref. No.
IC801
AV UNIT IC8401
IC8401, IC8551
IC9001
IC3952, IC4401
IC4002
IC4801
SERVICE IF UNIT
IC5851
IC5852
CN9801
IC6701
IC6703
IC6901
IC7201, IC7202, IC7301, IC7302
SOC UNIT
IC7401
IC7501
U7701
CN7901
IC5101
MONITOR UNIT
IC5201
- On this mechanism, Pickup and Spindle Motor can not be replaced at the Service Site, because a special facility is
required for the adjustment after replacing them.
So, if Pickup or Spindle Motor is defective, replace the DVD Mechanism Module.
- When necessary to replace LED of KEYBOARD UNIT, replace KEYBOARD UNIT.(AVIC-Z810DAB/XNEU5)
* Because difference occurs in brightness.

1.5 NOTES ON ADJUSTMENT

- Some of the adjustment is required when the part is replaced.
Pease refer to "8.1 ADJUSTMENT REQUIRED WHEN THE UNIT IS REPLACED".

1.6 OTHERS

- Notes on soldring
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.
5
6
Part No.
LV2241PQA
TEF6688HN-V102
TEF6686HN-V102
PM9015A
MM3630BR
UPD70F3925AGMA
IT68013FN
MAX14644ETACNE
TUSB211QRWBQ1
CKS6675
ISL78233ARZ
LTC3614EUDD
MCIMX6D6AVT10AE
H5TQ4G63CFR-RDC
CVQ1077
PE1039A
CWX4921
CKS6674
OZ527ILN
R1294L103A
AVIC-W8400NEX/XNUC
6
7
Reason
Heat pad
Heat pad
Heat pad
Heat pad
Heat pad
Blank IC
Heat pad
Heat pad
Spacing less than 0.3 mm
Spacing less than 0.3 mm
Heat pad
Heat pad
BGA
BGA
Blank IC
BGA
Heat pad
Spacing less than 0.3 mm
Heat pad
Heat pad
7
8
A
B
C
D
E
F
7
8