LG KG270 Service Manual - Page 41
FM Radio Interface
 |
View all LG KG270 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 41 highlights
RADIO_AMP_SHDN (FOR FM RADIO) FM_INT RADIO_AMP_SHDN 3. TECHNICAL BRIEF 3.15 FM Radio Interface - 42 - RADIO FM_ANT R328 0 C334 NA 2V8_VIO R325 NA 2V8_RADIO TP301 FM_INT GPIO3 16 18 17 20 19 PGND 21 C331 100p FM_RST FM_RST 1 2 NC1 3 FMIP U302 GND3 15 14 LOUT 13 4 5 RFGND SI4702-B16 GND1 ROUT GND2 12 11 _RST VD VIO 10 RCLK SDIO _SEN SCLK 8 9 6 7 R334 2V8_RADIO 10K 2V8_RADIO NC2 GPIO1 GPIO2 VA C329 1u 2V8_RADIO C332 C333 0.1u 0.1u C335 22n 2V8_RADIO R329 20K R330 20K RADIO_AMP_SHDN C330 1u R326 39K U303 LM4809LD 7 VDD VOUT1 8 1 VIN1 5 VIN2 6 VOUT2 2 BYPASS GND 3 4 _SHDN BGND 9 R335 100K C338 0.1u R333 39K R327 0 R331 0 RADIO_SPK_L RADIO_SPK_R R336 4.7K R337 4.7K C339 0.1u R339 27K RADIO_DETECT RADIO_DETECT RADIO 27K NO RADIO 2.7K FM_SCL FM_SDA VBAT 2V8_RADIO RADIO_EN R343 100K U304 BH28FB1WHFV 1 2 STBY NC GND BGND 5 6 3 VIN VOUT 4 C341 1u (10V,K,X5R) C342 1u R338 47 2V8_VIO FM_32K C340 0.1u RADIO_SPK_R AUXOP_FMR FOR RADIO R342 NA EPPA1 U305 NLAS5223BMNR2G 1 VCC 10 NO2 2 NO1 9 COM2 3 COM1 8 IN2 4 IN1 7 NC2 5 NC1 6 GND R340 NA RADIO_SPK_L AUXOP_FML FOR RADIO HEADSET_RADIO_SEL R345 100K 2V8_VIO R341 330K R344 240K EPPA1
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36 -
37 -
38 -
39 -
40 -
41 -
42 -
43 -
44 -
45 -
46 -
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84
-
85
-
86
-
87
-
88
-
89
-
90
-
91
-
92
-
93
-
94
-
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
-
113
-
114
-
115
-
116
-
117
-
118
-
119
-
120
-
121
-
122
-
123
-
124
-
125
 |
 |
