ASUS P320 Service Manual
華華碩碩電電腦
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GTC ■ Service Manual
ASUS P320 Level 3 4 Trouble
shooting Guide
Ver 1.0
ASUS Proprietary 1
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CONTENT
1. OVER VIEW............................................................................................... 4
1.1 S
YSTEM BLOCK DIAGRAM
1.2 P
OWER DOMAIN BLOCK
1.3 K
1.4 A
1.5 P
1.6 P
EY FEATURES
PPEARANCE
LACEMENT
LACEMENT BOTTOM VIEW
............................................................................................ 6
............................................................................................... 7
TOP V
IEW
............................................................................ 4
.............................................................................. 5
............................................................................... 8
......................................................................... 9
2. SYSTEM BOOT UP SEQUENCE: ............................................................ 11
2.1 P
OWER/ CLOCK/ RESET RAMP PROCESS
2.2 P
OWER ON RESET GENERATION
................................................................ 11
.................................................... 11
3. EQUIPMENT / TOOLS............................................................................... 12
4. TROUBLE SHOOTING CASE.................................................................. 14
4.1 CAN’T P
4.2 D
4.3 T
4.4 B
ISPLAY FAILED
OUCH PANEL FAILED
ATTERY CONNECTOR DEFECTIVES
4.5 SIM C
4.6 M
4.7 A
4.8 B
4.9 S
4.10 R
ICRO SD CARD FAILED
UDIO HEADPHONE FAILED
OARD MICROPHONE FAILED
PEAKER FAILED
ECEIVER FAILED
OWER ON
........................................................................................ 16
ARD FAILED
...................................................................................... 15
............................................................................... 17
........................................................... 18
..................................................................................... 19
........................................................................... 20
...................................................................... 21
.................................................................... 22
....................................................................................... 23
.................................................................................... 24
5. RF REPAIR REQUIREMENT................................................................... 25
5.1 S
OFTWARE REQUIREMENTS
5.2 H
ARDWARE REQUIREMENTS
：.................................................................... 25
： .................................................................. 25
5.3 E
QUIPMENT
............................................................................................... 25
6. RF BLOCK DIAGRAM .............................................................................. 26
6.1 GSM/EDGE.............................................................................................. 26
6.2 GPS ........................................................................................................... 26
ASUS Proprietary 2
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6.3 BT/WIFI.................................................................................................... 26
7. RF PCB LOCATION................................................................................... 27
7.1 GSM.......................................................................................................... 28
7.3 BT / WIFI................................................................................................... 29
8. GSM TROUBLE SHOOTING.................................................................... 30
8.1 M
8.2 AFC F
8.3 APC F
8.4 AGC F
9. GPS TROUBLE SHOOTING..................................................................... 36
ETHODS FOR DEBUGGING
AIL
.................................................................................................. 33
AIL
(TX).......................................................................................... 34
AIL
(RX)......................................................................................... 35
........................................................................ 30
ASUS Proprietary 3
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1. Over view
1.1
1.1 SSSSystem block diagram
1.1 1.1
ystem block diagram
ystem block diagramystem block diagram
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i. Figure 1. System Block Diagram
ASUS Proprietary 4
華華碩碩電電腦
1.2
1.2 Power Domain
1.21.2
Power Domain Block
Power Domain Power Domain
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Block
BlockBlock
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Figure 2. Power Block Diagram
ASUS Proprietary 5
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1.3
1.3 Key Features
1.3 1.3
System EDGE/GPRS/GSM 850/900/1800/1900MHz
Form Factor Bar Type
Dimension & Weight 99 x 54.5 x 13.35 mm, 105g
Battery 1100 mAh Lithium-Ion
Talk Time 4 hrs (TBC)
OS Microsoft Windows Mobile 6 Professional*
Processor TI OMAP 850 200 MHz
Memory 128 MB Flash + 64 MB DDR
Key Features
Key FeaturesKey Features
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EGPRS Class B, Multi-slot Class 10
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Display 2.6, Touch Screen 65K, TFT, 240 x 320
Camera 2.0 Mega pixel AF
Connectivity WLAN 802.11b+g, USB v1.1, Bluetooth
V2.0+EDR
Exp. Slot Micro-SD (SDHC Compatible)
Music MP3, WMA, AAC, and AAC+
Browsing HTTP and WAP 2.0
Messaging SMS, MMS 1.2, and Push E-mail
JAVA J2ME (CLDC 1.1 + MIDP2.0)
DRM OMA 1.0 (optional)
PIM & Utilities Contacts, Notes, Calendar, Tasks, Alarm,
Calculator, File Manager, and MSN
Ringtone 128-ch Polyphonic ringer & MP3
Others ASUS Today, Profile Manager, Theme Manager,
UrTime , Newstation, ASUS Backup, etc.
ASUS Proprietary 6
華華碩碩電電腦
1.
1.4444 Appearance
Appearance
1.1.
Appearance Appearance
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ASUS Proprietary 7
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1111....5555 Placement TOP View
Placement TOP View
Placement TOP View Placement TOP View
1.15-Pin Debug
Connector
2. Receiver
3.3-Color LED
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4. Power Key
Switch
5. Micro SD Card
Socket
6. Power
7. Reset Key Switch
8. Backup Battery
ASUS Proprietary 8
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1.
1.6666 Placement Bottom View
Placement Bottom View
1.1.
Placement Bottom View Placement Bottom View
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ASUS Proprietary 9
華華碩碩電電腦
1. Speaker
2. GSM Antenna Spring
3. GPS Antenna Spring
4. GPS Antenna Connector
5. Camera Module Connector
6. SIM Card Socket
7. GSM Antenna Conductive Connector
8. VR Key Switch
9. Volume Up Switch
10. Volume Down Switch
11. Hold Key Switch
12. GPS Part
13. GSM Part
14. Battery Connector
15. Vibrator
16. OMAP 850 Processor
17. TWL3027 (E-Syren) PMU IC
18. LCM Connector
19. Charger IC
20. One NAND
21. Camera Key Switch
22. BT/ WiFi Combo Module
23. BT/ WiFi Chip Antenna
24. Reset Key Switch
25. Mini USB Connector
26. Microphone
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ASUS Proprietary 10
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2. System Boot up Sequence:
2.1
2.1 Power/ Clock/ Reset Ramp Process
2.1 2.1
Power/ Clock/ Reset Ramp Process
Power/ Clock/ Reset Ramp ProcessPower/ Clock/ Reset Ramp Process
2.2
2.2 Power On Reset Generation
2.2 2.2
Power On Reset Generation
Power On Reset GenerationPower On Reset Generation
ASUS Proprietary 11
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