Asus P535 User Manual download pdf (Page 34)

TC ■ Lv3Lv4 Repair Manual

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11. Signal Measure

From C744.Pin1, one can get the yellow signl.

From C746.Pin2, one can get the blue signal.

Notice that if the highest voltage value in yellow signal is strange or

not.

In this example, the yellow voltage signal is about 450mV, and both time

periods are about 580us.

It＇s possible to probe these two waves without Agilent 8960; only make

phone to send out power, and then probe C744.Pin1 and C746.Pin2.

1 ... 33 34 35 ... 124

Repair Manual 1
1. Purpose : 5
2. Scope : 5
3. Facilities Requirement : 5
4.Test points Overview : 6
4.2 7
4.3 RX Part 8
5.Component Locations : 9
5.2 Bottom Side 10
8.Debug Flow 17
8.3 Tx Fault Finding Chart 19
8.3.2 DCS1800/PCS1900 20
8.4 Rx Fault Finding Chart 21
8.4.2 DCS1800 22
8.4.3 PCS1900 23
8.5 Special Case: 24
10. Tester Setting 28
Change Cell Band to＂EGSM＂。 29
11. Signal Measure 34
Traffic Band：DCS 38
Traffic Channel: 700 38
MS TX Level 10 38
Traffic Band：PCS 45
Traffic Channel: 661 45
Set “Gain＂to 74 54
12.Update Radio Firmware 63
13.GPS Repair 65
13.4 Test-points 66
15.GPS Component Locations 70
18.GPS Debug Flow 78
If C813 and C818 81
Plug in active antenna 82
SIRFDemoPPC 82
Put ＂SIRFDemoPPC＂ into SD 83
1.Click [SiRFDemoPPC] 83
2.Click [OK] 83
1.Click [OK] 84
1.Click [Connect] 84
1.Click[Done] 84
SiRFDemoPPC main window 85
1.Click [Setup] 85
1.Click [Switch to SiRF 85
Binary] 85
1.Click [Switch to NMEA] 88
1.＂Switch to SiRF Binary＂ 88
1.Click [Exit] 88
Stare to update GPS 92
Update successfully 92
Re-boot 92
19.BaseBand Repair Abstract: 96
20.Introduction 96
21.Test Set and Tool 98
(10X,40X) 99
22.PCBA Outlook 100
22.2 PCBA- Bottom side 101
23.P535 Block Diagram 102
24.1 Flash memory 256MB 103
24.2 SDRAM (32MB * 2) 104
24.3 Speaker 104
24.4 Head Phone 105
24.5 MIC 106
24.7 Vibrator 107
24.8 LED 108
TC ■ Lv3Lv4 Repair Manual 109
24.10 LCM 110
24.11 Keypad 110
24.12 Mini SD Slot 113
25. Troubleshooting 114
25.2 LCD Problem: 115
25.3 AUDIO 116
25.4 Qwerty Keypad problem: 117
25.5 Mini-SD card problem: 118
25.6 Camera problem: 119
25.7 BT problem: 120
25.10 USB problem: 123
25.12 Vibrator problem: 124

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Asus P535 User Manual Page 34

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