Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung GSM D840 D840
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VSYN_2.8V
CN100
SGH-D840_REV1.3
3
G
4 2
VRF_2.8V VRF_2.8V G G
C101 RFIN
C100 3.3nF
10V 1 W.FL-R-SMT(10)
330PF C102
A 50V
R100 1000nF A
8.2K,1% 10V CN101
R101
0
1 2
IN OUT
G2
ANT
G1
R102 C105 C106 3 4
L100 C103
8.2K,1% 1.8NF 1.8NF L101
MS-156(02)
NC NC
SERLE 50V 50V C104 68nH
1000nF C107
25V
VRF_2.8V 10V
33PF
R103
2.2K L102 1.0NH
C109 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 C108
U100
CAPQ
13
CAPQB
1000nF 0.75PF
LE
VCCRFLO
VCCRFVCO
CAPI
VCXOOUT2
VCCRFSYN
FLOCK
VCCMIX
G
G
G
CAPIB
CPRFSYN
10V 52 50V
G ANT
NC
53 L103 1.0NH 5 GSM1900_RX1
54 6 GSM1900_RX2 VC1 11
36
NC
1 L104 1.0nH GSM_TX_EN
CLK26M_RF VCCVCXO VCCLNA 3 GSM1800_RX1 VC2 9 DCS_TX_EN
B 26M_REF_CLK C110 4 GSM1800_RX2 B
35 2 1 GSM900_RX1 GSM900_TX 10
SERDAT VCXOB PCSLNAI 0.75PF C111 C112
SERCLK 50V 2 GSM900_RX2 8 0.01NF
34 3 L105 1.0nH GSM1800/1900_TX 33PF
VCXOOUT1 PCSLNAIB G G G G G 25V 25V
33 4 C113 4.7PF 16 15 12 14 7
VSYN_2.8V SDATA DCSLNAI
32 5 50V L106
CLK DCSLNAIB
15nH ESHS-M090SF
U101
31 6 C114 4.7PF
VCCBB HD155154NP GSMLNAI
VRF_2.8V
30 7 50V
CPIFSYN GSMLNAIB
VSYN_2.8V
C115
1000nF
10V
C117
270PF
50V
C118
2.2NF
50V
29
28
VCCIFSYN
IOUT/IIN
VCCTX1
DMIXIN
8
9
C116
FEM
27 IOUTB/IINB DMIXINB 10
1000nF
10V
C119 RTX_IP
26 QOUT/QIN BIASDAC 11
33UF RTX_IN R105 R104
C 6.3V RTX_QP 51 51 C
25 12
R106 RTX_QN QOUTB/QINB LDO_CONT
VCCTXVCO
RAMPDAC
TXVCOGB
AM_CONT
4.7K
PMDETO
AMDETO
TXVCOG
TXOUTG
TXOUTD
VCCTX2
PA_COU_OUT
PMBW
C121
TXON
470PF C120
22PF C122
50V 50V 7PF
24 23 22 21 20 19 18 17 16 15 14 13
50V
VBAT VPAC_2.8V
C125 C126 C123
270PF 15NF 33PF
2.2nH
2.2nH
50V 16V R107 C124 50V
R108 L107 L109 L108
82 1NF
VPAC_2.8V 50V C127 NC 10nH 12nH NC
47PF
C129 50V C130 C131 C132 C128
NC R109 47UF 47UF 10NF 10NF
VRF_2.8V 16V
L110
L111
470,1% 10V 10V 16V
D R110 D
33 C133
1000nF R111
10V U102 24
1 PIN_DCS|PCS
R112
VAPC DCS_PAM_IN 7 13 R113 16
R115 GSM_PAM_IN PIN_GSM POUT_GSM R114 R116
1K,1% 3 VREG POUT_DCS|PCS 19 220 220
C135 R117 150,1% 5 COUPLEROUT_GSM 12 16
VRAMP R118 PA_COU_OUT
1000nF C134 6 COUPLEROUT_DCS|PCS 20
TXON_B5 VTXON 16
10V 1.5NF 16 VBAND 2
TXON_B5 VDD_IC
50V 17 VIDO 15 R119
VBAT
4 GND1
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