
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RX Part Trouble Shooting(4)
2. Check SAW Filter circuit
➀
Check SAW Filter Input power(A1, B1)
➁
Check SAW Filter Output power(A2, B2)
• GSM Insertion loss ~-2.5dB
• PCS Insertion loss ~-3dB
➂
If checked insertion loss is too big, check matching circuit or change SAW Filter.
B1
B2
A2
A1
L511
5.6nH
L506
NA
L505
NA
L512
5.6nH
O2
EFCH1960TCA1
FL501
2
G1
5
G2
1
IN
3
O1
4
IN
3
O1
4
O2
EFCH881MTCA1
FL502
2
G1
5
G2
1
L513
3.3nH
3.3nH
L514
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Summary of Contents for LG9200
Page 3: ... 4 Z 3 X B O X C O M ...
Page 107: ... 120 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 108: ... 121 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 109: ...8 PCB LAYOUT 122 Z 3 X B O X C O M ...
Page 110: ... 123 8 PCB LAYOUT Z 3 X B O X C O M ...
Page 111: ... 124 Z 3 X B O X C O M ...
Page 116: ...9 Calibration 129 E Calibration Equipment Setup Z 3 X B O X C O M ...
Page 123: ... 136 Z 3 X B O X C O M ...
Page 142: ...Note Z 3 X B O X C O M ...