- 122 -
LGMC
LG Electronics
V 1.0
Ver.
MFG ENGR CHK :
10
H
QA CHK:
Changed by:
DCS
D
Date Changed:
8
8
GSM850
2
Drawn by :
4
G
E
F
DCS
Power Amp Module
LB RF Input
Front End Module
5
Bluetooth
E
2
A
A
1
B
R&D CHK :
RF Transceiver
12
V1_Main
G
11
7
3
C
10
3
11
DOC CTRL CHK :
A3
12 1 8 A
C
12
F
7
D
9
GSM850
Size:
4
1
9
5
B
RF
6
TITLE:
EGSM
Time Changed:
PCS
6
4 / 4
Engineer :
HB RF Input
PCS
Page
PAM(Skyworks)
RF, BLUETOOTH
H
EGSM
TP411
mentor
2005-06-01
3:07:35 pm
2.2p
C415
C451
NA
VRF2V65
NA
C446
11
XO
XOX
12
18nH
L405
RX4X
23
TX1
36
37
TX2
VBIAS
34
VCO_RC
18
VDDBIAS2V8
31
VDDDIG1V5
8
5
VDDDIG2V8
VDDLNA1V5
21
39
VDDMIX2V8
19
VDDRX1V5
VDDRX2V8
20
35
VDDTX1V5
VDDTX2V8
38
17
VDDVCO2V8
15
VDDXO2V8
32
FE1
33
FE2
FSYS1
14
FSYS2
10
9
FSYS3
13
GND1
26
GND2
GND3
40
41
GND4
RX1
29
30
RX1X
RX2
27
28
RX2X
24
RX3
RX3X
25
22
RX4
PMB6272
U404
1
A
AX
2
3
B
BX
4
7
CLK
DA
6
EN
16
10p
1.2K
R441
C440
C425
0.1u
C467
100p
NA
VRF1V5
NA
C423
2V72_IO
VRF1V5
C409
R405
0
NA
C449
0
R425
0.1u
C430
2.2p
C421
0
R407
NA
L404
2.2u
C435
R436
100
VRF2V85
R439
22K
R412
0
R415
10
C402
NA
0.1u
1V5_Core
C405
0
C431
NA
R410
C447
2p
10K
R440
0
R409
R432
0
R438
0
NA
VRF2V85
NA
C455
C454
C468
C442
820p
4700p
0.1u
C424
VRF2V85
R416
0
R404
0
TP402
NA
C470
C453
NA
C463
NA
1.2p
C418
R424 0
C410
NA
C428
0.1u
C407
NA
TP401
C427
R442
0
NA
0.1u
C443
C441
1000p
C460
68u
NA
C406
C445
NA
VRF2V85
R434
0
VRF2V85
2.2u
C434
C403
0.75p
DBF71B601
FL401
3
B1
4
B2
DC
2
5
G1
6
G2
1
UB
NA
C462
0
R422
C413
NA
L408
1.8nH
C459
VRF2V7
R411
0
NA
0.1u
4
RSVD1
12
RSVD2
5
VBATT
6
VRAMP
C426
GND20
32
GND21
31
30
GND22
GND23
29
28
GND24
27
GND25
13
GND3
11
GND4
10
GND5
GND6
17
GND7
18
19
GND8
GND9
20
7
GSM_IN
9
GSM_OUT
1
MODE
3
BS
2
DCS_PCS_IN
16
DCS_PCS_OUT
8
EN
15
GND1
GND10
21
GND11
22
GND12
23
GND13
24
GND14
25
26
GND15
GND16
36
GND17
35
GND18
34
GND19
33
14
GND2
F4
VSSRF1
VSSRF2
E5
F5
VSSRF3
VSSRF4
E4
VSSVCO
F2
WAKEUP_BT_P1_7
B2
B1
WAKEUP_HOST_P1_8
U403
SKY77340
VDDCREG
D2
VDDPCM
E9
H1
VDDPLL
G2
VDDPMREG
VDDRF
H4
E1
VDDRFREG1
VDDRFREG2
E2
VDDSUP
F1
H9
VDDUART
A8
VDD_1
VDD_2
B3
VSS1
D4
D5
VSS2
VSS3
D6
E6
VSS4
VSS5
F6
TDO
B6
TMS
B4
TRST_
A6
J3
TXA1
TXA2
H3
J2
TXAX
H7
TX_CONF_P0_14
A2
TX_CONF_RXON
UARTCTS
G8
J8
UARTRTS
UARTRXD
J7
H8
UARTTXD
VCOCAP1
J6
VCOCAP2
H6
F9
VDDC1
VDDC2
B5
D9
PCMCLK
PCMFR1
D8
PCMFR2_SDA0_P0_12
C8
G9
PCMIN
PCMOUT
E8
PSEL0
A3
B8
PSEL1
RESET_
D1
J4
RFIO
RFIOX
J5
RFOUT
H5
B9
RTCK
C9
SCL0_P0_13
F8
SLEEPX_P0_15
B7
TCK
A7
TDI
PMB8753
U402
CLK32_P1_5
C2
CLKIN_XTAL
G1
JTAG_
A5
LOAD
H2
A1
NC1
NC2
A9
NC3
J1
J9
NC4
P1_6
C1
A4
PAON
100
R437
0
R418
100p
C464
4.7u
C432
3.3nH
TP410
L401
C420
0.1u
L403
2.2nH
100
R435
C429
C461
0.1u
27p
470p
C433
1.5p
C416
1V8_SD
C456
47n
C444
KMS-506
SW401
ANT
G1
G2
RF
100p
NA
C408
C422
NA
NC
C411
NA
10OL21C7AJ00001
ANT401
FEED
GND
L402 6.8nH
0
R403
R414
820
1V5_Core
26MHz
X401
2
GND
3
OUT
VCC
4
VCONT
1
1000p
C438
100p
C452
100p
C450
0.1u
C404
2.2p
C414
100p
C465
0.1u
C437
VSUPPLY
0
R443
R426
10
0.01u
C439
NA
C448
1.5p
C417
R421
0
C412
VRF2V7
NA
1.8nH
L409
NA
C466
1.2p
C419
5.6nH
L407
NA
C469
0
R431
6
TX1G
8
TX2G
22
VCTRL1
VCTRL2
21
VCTRL3
20
VDD
3
R419
0
EGSM_RX-
16
GMS_RX-
18
GND1
2
GND10
25
26
GND11
GND2
4
5
GND3
GND4
7
9
GND5
GND6
10
GND7
11
23
GND8
GND9
24
19
13
PCS_RX-
12
U401
YGHF-S006A
ANT
1
15
DCS_RX-
14
17
R427
0
0
R433
100p
C457
33p
C401
C436
R417
1.8K
1.5p
NA
C458
5.6nH
L406
USIF_TXD
USIF_RXD
IX
I
BT_RST
VC4
FSYS2
EN
CLK
QX
Q
TXON_PA
MODE
PALEVEL
VC2
VC3
DA
26M_BB
VC1
AFC
RF_TEMP
CLK32K
FSYS2
BT_VCXO_EN
I2S1_CLK
I2S1_WA0
I2S1_TX
I2S1_RX
7. CIRCUIT DIAGRAM
Summary of Contents for Prada KE850
Page 1: ...Date March 2007 Issue 1 0 Service Manual Model KE850 Service Manual KE850 ...
Page 3: ... 4 ...
Page 5: ... 6 ...
Page 71: ...4 PCB layout 72 Main PCB bottom Main PCB bottom placement ...
Page 115: ... 116 6 Download S W upgrade 6 Press the START button ...
Page 117: ...6 Download S W upgrade 118 KE850 KE850P40 7 V09a KE850 KE850P40 7 V09a ...
Page 127: ... 128 LGMC 8 pcb layout ...
Page 128: ... 129 LGMC 8 pcb layout ...
Page 129: ... 130 LGMC 8 pcb layout ...
Page 130: ... 131 LGMC 8 pcb layout ...
Page 131: ... 132 8 pcb layout ...
Page 132: ... 133 8 pcb layout ...
Page 133: ... 134 8 pcb layout ...
Page 134: ... 135 8 pcb layout ...
Page 135: ... 136 8 pcb layout ...
Page 136: ... 137 8 pcb layout ...
Page 137: ... 138 ...
Page 149: ... 150 ...
Page 151: ... 152 ...
Page 172: ...Note ...
Page 173: ...Note ...