LG KM710 Service Manual - Page 113
LGE Internal Use Only
 |
View all LG KM710 manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 113 highlights
7. CIRCUIT DIAGRAM 1 2 3 4 5 6 7 8 9 10 GND400 GND401 A C442 1000p C443 1000p ANT400 ANT401 C401 1000p C402 DNI C411 1.5p C413 1000p L411 8.2nH B G1 KMS-518 A SW400 C G2 100nH L408 C D C_VCCRF VCC_SYN FL400 ESHS-C090SR GND5 GSM18001900_TX 16 11 GND4 GSM900_TX 15 13 GND3 14 GND2 GSM1900_RX2 9 6 GND1 GSM1900_RX1 7 5 GSM1800_RX2 4 GSM1800_RX1 3 VC2 GSM900_RX2 10 2 12 VC1 GSM900_RX1 1 8 ANT C421 22p C422 56p C424 15p L402 4.7nH C412 3p C414 3p L404 3.9nH C416 3.3p C418 3.3p 4.7nH L405 4.7nH L407 L406 18nH C403 0.01u C400 0.01u A BT_CLK C404 3.9p VRIO C409 22p C406 3.9p C407 0.1u C405 33nF C408 68p C410 X400 FA-23H 3 2 R401 U400 0.01u A9 1 4 VCXTCXO XOP VCCVCXOR B8 CAFC A8 GNDRFSYN B7 A7 C7 C6 VCCRFSYN VCCAD GNDBBAD VCCBB A6 C5 B6 GNDRFVCO VCCRFVCO A5 QOUTB_QINB B5 QOUT_QIN C4 B4 A4 IOUT_IIN IOUTB_IINB GNDRFLO C3 VCCRFLO A3 B3 GNDMIX VCCMIX VCCLNA D3 B2 A2 PCSGND 47K 26MHz L403 8.2nH 1 _OE 2A 3 GND VCC 5 4 Y R402 SYSCLK A1 B9 SN74LVC1G125DRLR 1K PCSLNAI XON B1 C8 PCSLNAIB C2 GNDVCXO_OR D7 C1 PCSDCSGND D1 DCSLNAI D2 DCSLNAIB DCSG90GND VOUTEF2 C9 VCCVCXO D8 VOUTEF1 VCCLOGIC2 D9 C417 0.1u SLICER_IN VCC_SYN B E1 G90LNAI F1 G90LNAIB U401 GNDLOGIC E7 CLOGIC1 F7 0.01u C419 C420 0.01u E2 G1 G90G85GND R2A60167BG VCCLOGIC1 E9 E8 VRIO H1 G85LNAI G85LNAIB STROBE SYSCLK F8 F2 F9 G85GND RXTXDATA DIGITALRF_DATA G2 GNDLNA_TX1 H2 RXTXEN G7 G6 DIGITALRF_ENABLE TXON TEST1 E3 G9 GNDDMIXIN CTRLEN DIGITALRF_RF_CS J2 DMIXIN G8 CTRLDATA DIGITALRF_RF_DATA J1 H9 DMIXINB CTRLCLK DIGITALRF_RF_CLK TXOUTD J8 SYSCLKEN J9 VBAT_IN TXOUTG VCCTXVCO GNDTXVCOD_B J6 GNDTXVCOD VCCTX2 G5 GNDTX2 H5 EAMPIB H4 LDO_CONT TXBAND TXMODE J4 VCCTX1 H3 FEMC1 VCCFEMC FEMC2 120 100ohm R403 R404 J7 H8 H7 J5 H6 F3 G4 G3 J3 R405 51 120 R406 68 100ohm C425 22p C423 0.01u SYSCLKEN R407 R408 R409 C_VCCRF 100ohm C C426 0.01u C428 82p L409 C427 1000p COUPLER_OUT_GSM 12 GND10 11 GND9 10 NC 9 GND8 8 PGND1 25 PGND2 26 28 27 PGND4 29 PGND5 30 PGND6 31 33 32 PGND9 34 PGND10 35 36 C429 1.2p 8.2nH C430 DNI VBAT C432 10u C436 82p C433 0.01u C434 22p L410 13 POUT_GSM 14 GND7 15 VLDO VBAT1 16 17 VBAT2 18 GND5 POUT_XCS 19 PGND12 PGND11 PGND8 PGND7 U402 RPF09036B PGND3 PIN_GSM 7 TX_ON 6 VRAMP GND6 5 VREG 4 3 BAND_SELECT 2 PIN_XCS 1 C431 33p C435 22p C_VCCRF COUPLER_OUT_XCS 20 GND4 21 GND3 22 GND2 23 GND1 24 37 PGND13 38 PGND14 PGND15 41 PGND16 42 PGND17 43 PGND18 PGND20 PGND19 46 PGND21 47 PGND22 PGND24 PGND23 49 PGND25 C437 1.8nH C438 D 40 39 45 44 48 1.2p DNI VBAT VCC_SYN MM_2V8 C439 C440 1u 4.7u R411 U403 C_VCCRF 36K RT9011-MMPQW TEMP_SENSE 1 VIN VOUT1 8 E REGEN 2 EN1 3 4 EN2 NC1 VOUT2 7 NC2 6 5 9 PGND GND C441 4.7u R412 47K PT400 22K 22K THERMISTER GSM850 only R410 DNI 1 2 3 4 5 LGE Internal Use Only - 114 - Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
-
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
-
126
-
127
-
128
-
129
-
130
-
131
-
132
-
133
-
134
-
135
-
136
-
137
-
138
-
139
-
140
-
141
-
142
-
143
-
144
-
145
-
146
-
147
-
148
-
149
-
150
-
151
-
152
-
153
-
154
-
155
-
156
-
157
-
158
-
159
-
160
-
161
-
162
-
163
-
164
-
165
-
166
-
167
-
168
-
169
-
170
-
171
-
172
-
173
-
174
 |
 |
