Acer Jetfire HD User manual

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Jetfire HD Service guide
Category of technical document: Instruction book
version ： A
Date ： JUN. 10, 2016
Document No ： Jetfire HD
Directory
1 、 Introduction to Motherboard Configuration
2 、 Description about Circuit
3 、 ID
4 、 Upgrade guidance
5 、 The longines CODSN SOP
6 、 Jetfire HD disassembling guidance
7 、 Jetfire HD assembling guidance
8 、 Explosive view
9 、 SPL
10 、 Quick Spec

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1 、 Introduction to Motherboard Configuration
PCBA Front
12111098765432
1
21 20 19 18 17 16 15 14 13
PCBA Back
25 24 23
22

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Item Description Function Item Description Function
1connecctor\FPC\Clamshel l\6P_0.5mm_down_connec
t\H1.5mm
TP connector 8DDRIIIL RAM
2connector\outlet\2P_0.8m
m\H1.8mm Speak connector 9DDRIIIL RAM
3IC\boost\SOT23-
6\SY7200ABC LCD LED driver IC 10 IC\charging\VQFN24\BQ24 296M charging
4
IC\LDO\voltage
stabilization
\SOT23-
5\CL9193A33L5M\CHIPL
INK
LCD LED driver IC
11
Connector\battery
outlet\5P_1.25mm\H1.9mm connectbattery
5IC\G- sensor\LGA16_3x3_1H\LI
S3DH
Rotate TP 12 Connector\outlet\2P_0.8mm
\H1.8mm SpeakConnector
6IC\DC-DC\SOT23-
6\AP2004H USB_HOST provide power 13 Antenatal Dome connectwifi antenatal
7
IC\FLASH\EMMC ROM
14
Connector\FPC\clamshell\6
P_0.5mm
_
下接
\
H1.5mm
Connect FPC
Item Description Function Item Description Function
15 GPS+BT+FM+WLAN IC GPS+BT+FM+WLAN chipset 22 Micro-USB_four –foot full patch\5P_B type USB_OTG
16 CPU\TFBGA-395b\quad- core-1.3G\MT8163V/B CPU 23 Micro-USB_our –foot full patch\5P_B type USB_HOST
17 Power management\VFBGA-
145L\MT6323LGA
PMU 24 Mic Recording
18 connecctorFPC\Clamshell\
39P Camera connecctor 25 3.5mmEarphone holder Connecct earphone
19 IC\current limitingSOT23-
5\AP1610 USB_HOST current limitingIC
20 TF\PUSH_SMD-8 Connecct external
ROM
21 Connecctor\FPC\clamshell
\39P connecctLCD FPC

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2 、 Description about Circuit

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2.01
charging circuit
USB 5.2V
input address wir
e
2.35V
output for
the batter
VBAT output
USB 5.2V
input
I2C address
wire
2.35V
output for
the batter
VBAT output

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VBAT input
DDR1.35V(
2.2V
1.18V
oscillator
VREF1.15V
1.8V
RTC2.8V
3.3V
2.02 PMU Circuit
Please
refer to the
PDF file
circuit
diagram

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2.03 CPU Circuit
oscillator CPU 1.15V
Please
refer to the
PDF file
circuit
diagram

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2.04 DDR Circuit
DDR1.35V
VREF0.67V
DDR 1.35V
VREF 0.67V

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2.05 EMMC Circuit
1.8V
3.3V
1.8V
3.3V
DATA

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2.06 display screen Circuit
VBAT input
LCD3.3v
output
VBAT input
LCM _LEDA
DISP_PWM