Check pin2 at U100
Check if there is any major difference referring
To Figure 4.1.2 (e). Is any signal detected at
that point?
Start
Replace U100
RF signal path is OK. See next page to Rx I/Q data signal
NO
Check pin1 at U100
Check if there is any major difference referring
To Figure 4.1.2 (e
e) Is any signal detected at
that point?
YES
Check L100, C101
NO
Check pin3 at U101
Check if there is any major difference referring
To Figure 4.1.2 (f ). Is any signal detected at
that point?
YES
Replace U101
NO
YES
-55-
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Only for training and serving purposes
LGE Internal Use Only
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Содержание VX5400
Страница 132: ...1 Assembly and Disassembly Diagram 132 Internal Use Only Z 3 X B O X C O M ...
Страница 133: ...Z 3 X B O X C O M Internal Use Only ...
Страница 134: ...Z 3 X B O X C O M Internal Use Only ...
Страница 135: ...2 Block and Circuit Diagram 135 Internal Use Only Z 3 X B O X C O M ...
Страница 136: ... 136 Internal Use Only Z 3 X B O X C O M ...
Страница 138: ...Z 3 X B O X C O M CDMA ant DCN Tx DCN Rx PCS Tx PCS Rx GPS Internal Use Only 138 ...
Страница 139: ...Z 3 X B O X C O M Internal Use Only 139 ...
Страница 140: ...Z 3 X B O X C O M Internal Use Only 140 ...
Страница 141: ...Z 3 X B O X C O M Internal Use Only 141 ...
Страница 142: ...Z 3 X B O X C O M Internal Use Only 142 ...
Страница 143: ...Z 3 X B O X C O M Internal Use Only 143 ...
Страница 144: ... 144 Z 3 X B O X C O M ...
Страница 145: ... 145 Z 3 X B O X C O M ...
Страница 146: ... 146 Z 3 X B O X C O M ...
Страница 147: ...3 Part List 147 Internal Use Only Z 3 X B O X C O M ...
Страница 160: ...4 Components Layout 160 Z 3 X B O X C O M ...
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Страница 169: ...5 BGA Pin MAP 169 Z 3 X B O X C O M ...
Страница 170: ...1 U300 MSM6100 90NM EUSY0152202 USED NOT USED 170 Z 3 X B O X C O M ...
Страница 171: ...2 U300 HYC0SEE0MF1P 6SH0E EUSY0322101 USED NOT USED NC 171 Z 3 X B O X C O M ...