LG -D175F Service Manual page 177

[D175F] Block diagram : RF Main (3G & GSM)
LGE Internal Use Only
LNA + Filter
PAM Option : PAM Option :
B1/B8, B2/B5, B1/B5
9dB
Atten
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5. BLOCK DIAGRAM
W2,4, W1,2, W1,2 WTR26
5 5 ,8 05
GSM GSM GSM Port
quad quad quad map
B2/B5 B1/B5 B1/B TX2
3 2 1
8
B4 B4 B2 B2 B2 B2 TX3 TX3
B5 B5 B8 RX_LB
(G850) (G850) (G90 1
0)
G900 G900 G850 RX_LB
2
B4 B1 B1 RX_MB
1
B2 B2 B2 RX_MB
2
Only for training and service purposes