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AVIC-X930BT/XNUC
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1. SERVICE PRECAUTIONS
1.1 SERVICE PRECAUTIONS
1. You should conform to the regulations governing the product (safety, radio and noise, and other regulations),
and should keep the safety during servicing by following the safety instructions described in this manual.
2. Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by electrostatic
induction.
3. Before disassembling the unit, be sure to turn off the power. Unplugging and plugging the connectors during
power-on mode may damage the ICs inside the unit.
4. To protect the pickup unit from electrostatic discharge during servicing, take an appropriate treatment
(shorting-solder) by referring to "the DISASSEMBLY" .
5. After replacing the pickup unit, be sure to skew adjustment.
6. During disassembly, be sure to turn the power off since an internal IC might be destroyed when a connector
is plugged or unplugged.
7. Notes on the temperature protection
The temperature protection is set considering the use temperature range of eNAND.
If the temperature reaches the detection temperature shown below, the operation stops (ASENS is disabled).
Detection temperature on low temperature side: -25°C, return temperature: -20°C
Detection temperature on high temperature side: 86.5°C, return temperature: 80°C
8. Control of FAN
There is the control of STOP, low rotation and high rotation.
The temperature (eNAND, DVD mechanism) are detected and controlled it.
9. Pay attention to the wiring of BT cable. (It affects the sensitivity of BT antenna)
GPS
IF UNIT
AV UNIT
CC MONITOR
UNIT
IC151
GRF3I-0336S
Heat pad
DD Converter
IC4204,
IC4205
LTC3412AEFE
Heat pad
Prima
IC4001
TT4421
BGA
CODEC
IC4654
WM1616LGEFL
Terminal is bent inside
eNAND
IC4501
PEN002A
BGA
T-CON
IC4901
TC90192XBG
BGA
SRAM
IC4406
CY62147EV30LL45BVA
BGA
FLASH ROM
IC4403
CXX3406
BGA
B/L Controller
IC5508
OZ9990IRN
Land at the bottom of IC
iPod
Authentication
IC IC4701
341S2162
Terminal is bent inside
VIDEO DECODER
IC5513
AK8859VN
Terminal is bent inside
DD Converter
IC1281
LT3505EDD
Heat pad
11. 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.
12. Attach the Detach Grill Assy (Front Panel) to the product to turn on the unit.
10. Some parts which are different from the Circuit symbol are mounted on the AV unit and CC Monitor unit.
Unit Name
Circuit Symbol and No.
Mounted parts
R2428, R2430
Capacitor
R2443
Inductor
L5695-L5715
Resistor
R4143, R4291, R4299, R4303-R4304, R4317, R4320-R4329
R4824, R5738, R5740-R5745, R5747-R5757
AV unit
CC Monitor unit
Inductor
(Ferrite beads)
Summary of Contents for AVIC-F930BT
Page 27: ...AVIC X930BT XNUC 27 5 6 7 8 5 6 7 8 C D F A B E ...
Page 80: ...AVIC X930BT XNUC 80 1 2 3 4 1 2 3 4 C D F A B E Side A SCLOCK SDATA D CP_RESET D DGND2 ...
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