Asus P750 Service Manual download pdf (Page 29)

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GTC ■ Service Manual

ASUS Proprietary 29

J. Assembly test

During assembly keypad test fail. We can easy handle the problem

on FPC connector. (FPC connector or Main board connector,

Metal dome position deviation).

6.2.15 WiFi Board-Level Test

If the test item fail, we can check the voltage of the (+3.3V_WLAN,

+1.5V_WLAN). The result is pass please try to change U13.

6.2.16 GPS Firmware Update

It we can’t update the GPS firmware, please check below issue:

A. GPS_PWR_EN 2.9V

B. +2.85V_GPS_BB 2.85V

C. GPS_TX, GPS_RX Signal

The power of the chip is well. We still can’t get the signal from

GPS_TX, GPS_RX. Please check the R1011 -> 47K ohm? If the

answer is true then try to change the U600.

6.2.17 PS Board-Level Test

Follow the test item 16.

Figure 23. GPS power

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 60 61

ASUS P750 Repair Guide 1
(Level 3 4) Ver 1.0b 1
ASUS Proprietary 2 2
7.4 Others 3
ASUS Proprietary 4 4
ASUS Proprietary 5 5
ASUS Proprietary 6 6
3.1 Front View 7
3.2 Side View 8
4.1 Main Board Top View 9
4.2 Main Board Bottom View 9
GTC ■ Service Manual 10
ASUS Proprietary 10 10
Micro SD 11
6.1 System can＇t Boot! 12
6.1.2 CP 13
NAND Flash 13
6.2 MMI Test Item 14
6.2.2 V 15
6.2.3 RTC Test 15
6.2.4 Storage Test 15
6.2.5 Test 16
Micro SD 16
6.2.6 LED Test 16
ASUS Proprietary 17 17
ASUS Proprietary 18 18
ASUS Proprietary 19 19
6.2.8 Check SIM 20
6.2.9 Battery Test 21
6.2.10 SDRAM Test 22
6.2.11.i Headset 23
6.2.11.ii Speaker 24
6.2.12 Turn On/Off Radio 25
ASUS Proprietary 26 26
6.2.13 Version Check 27
6.2.14 Keypad Test 27
ASUS Proprietary 28 28
6.2.16 GPS Firmware Update 29
6.2.17 PS Board-Level Test 29
6.2.18 TMC Test 30
6.2.19 BT Board-Level Test 30
7.1 Power over standard 31
7.2 CPU consumption too High 31
7.3 Camera short 32
ASUS Proprietary 33 33
ASUS Proprietary 34 34
ASUS Proprietary 35 35
9.1 Transmit Mode 36
TX path 37
RX path 37
TX 900/850path 37
TX 1800/1900path 37
ASUS Proprietary 38 38
ASUS Proprietary 39 39
10.1 Placement - WCDMA 40
ASUS Proprietary 41 41
10.2 WCDMA TX Path 42
10.3 TX Measurement 43
ASUS Proprietary 44 44
10.4 Test procedure: 45
ASUS Proprietary 46 46
ASUS Proprietary 47 47
ASUS Proprietary 48 48
ASUS Proprietary 49 49
TX Path RF Connector 50
10.5 WCDMA RX 51
ASUS Proprietary 52 52
ASUS Proprietary 53 53
7 RX Test procedure 54
ASUS Proprietary 55 55
ASUS Proprietary 56 56
ASUS Pr57 57
ASUS Proprietary 58 58
ASUS Proprietary 59 59
ASUS Proprietary 60 60
ASUS Proprietary 61 61

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Asus P750 Service Manual Page 29

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