Acer Jetfire HD User manual

Page 1/69

Jetfire HD Service guide

Category of technical document: Instruction book

version

：

Date

：

JUN. 10, 2016

Document No

：

Jetfire HD

Directory

、

Introduction to Motherboard Configuration

、

Description about Circuit

、

Upgrade guidance

、

The longines CODSN SOP

、

Jetfire HD disassembling guidance

、

Jetfire HD assembling guidance

、

Explosive view

、

SPL

、

Quick Spec

Page 2/69

、

Introduction to Motherboard Configuration

PCBA Front

12111098765432

21 20 19 18 17 16 15 14 13

PCBA Back

25 24 23

Page 3/69

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

IC\LDO\voltage

stabilization

\SOT23-

5\CL9193A33L5M\CHIPL

INK

LCD LED driver IC

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

IC\FLASH\EMMC ROM

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

Page 4/69

、

Description about Circuit

Page 5/69

2.01

charging circuit

USB 5.2V

input address wir

2.35V

output for

the batter

VBAT output

USB 5.2V

input

I2C address

wire

2.35V

output for

the batter

VBAT output

Page 6/69

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

Page 7/69

2.03 CPU Circuit

oscillator CPU 1.15V

Please

refer to the

PDF file

circuit

diagram

Page 8/69

2.04 DDR Circuit

DDR1.35V

VREF0.67V

DDR 1.35V

VREF 0.67V

Page 9/69

2.05 EMMC Circuit

1.8V

3.3V

1.8V

3.3V

DATA

Page 10/69

2.06 display screen Circuit

VBAT input

LCD3.3v

output

VBAT input

LCM _LEDA

DISP_PWM

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