TC ■ Lv3Lv4 Repair Manual
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Content
1. PURPOSE :.................................................................................................................................................... 4
2. SCOPE : ......................................................................................................................................................... 4
3. FACILITIES REQUIREMENT : ................................................................................................................ 4
3.1 S
OFTWARE
:............................................................................................................................................. 4
3.2 H
ARDWARE
:............................................................................................................................................... 4
4.TEST POINTS OVERVIEW : ......................................................................................................................5
4.1 F
RONT
-E
ND
P
ART
....................................................................................................................................... 5
4.2
TX PART
.................................................................................................................................................... 6
4.3 RX P
ART
.................................................................................................................................................... 7
5.COMPONENT LOCATIONS :..................................................................................................................... 8
5.1 T
OP
S
IDE
..................................................................................................................................................... 8
5.2 B
OTTOM
S
IDE
............................................................................................................................................. 9
6.TESTING GRAPHS ABOUT TEST-POINTS........................................................................................... 10
7. LOCATIONS ABOUT TEST-POINTS OF COMPONENTS ................................................................. 15
8.DEBUG FLOW............................................................................................................................................. 16
8.1 B
ASIC
F
AULT
F
INDING
C
HART
.................................................................................................................. 16
8.2 F
RONT
-E
ND
F
AULT
F
INDING
C
HART
......................................................................................................... 17
8.3 T
X
F
AULT
F
INDING
C
HART
....................................................................................................................... 18
8.3.1 EGSM900 ......................................................................................................................................... 18
8.3.2 DCS1800/PCS1900 .......................................................................................................................... 19
8.4 R
X
F
AULT
F
INDING
C
HART
....................................................................................................................... 20
8.4.1 EGSM900 ......................................................................................................................................... 20
8.4.2 DCS1800 .......................................................................................................................................... 21
8.4.3 PCS1900........................................................................................................................................... 22
8.5 S
PECIAL
C
ASE
: ......................................................................................................................................... 23
9.PHONE TOOL STARTUP SETTING........................................................................................................ 24
10. TESTER SETTING................................................................................................................................... 27
11. SIGNAL MEASURE ................................................................................................................................. 33
12.UPDATE RADIO FIRMWARE................................................................................................................62
13.GPS REPAIR .............................................................................................................................................. 64
13.1 P
URPOSE
:............................................................................................................................................... 64
13.2 R
EQUIRED
F
ACILITIES
............................................................................................................................. 64
13.2.1 Software :........................................................................................................................................ 64
13.2.2 Hardware :...................................................................................................................................... 64
13.4 T
EST
-
POINTS
........................................................................................................................................... 65
13.4.1 Active Path Test points.................................................................................................................... 65
13.4.2 Passive Path Test points ................................................................................................................. 66
13.4.3 SiRF StarIII Testpoints.................................................................................................................... 67
13.4.4 Power Part Testpoints .................................................................................................................... 68
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