LG KG300, Руководство по обслуживанию

Страница: 52 / 85

4. Troubleshooting
- 53 -
RF Problem
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
VCCRF
VBAT
VCCSYN
PMIC_VTCXO
VBAT_RF
VCCSYN
VBAT
VDD
VCCSYN
VCCRF
VBAT_RF
VBAT_RF
IB
P1
VAPC
P1
BANDSW_DCS
P1
PCS_RX
P1
HB_TX
P1
QP
1
QB
P1
IP
1
LE
P1
SDATA
P1
RFVCOEN
P1
SCLK
P
1
26Mz
P1
VAFC
P1
LB_TX
P1
PA_EN
P1
VCXOEN
P1,4
7312
P1D
7310 P1A AWT6166
A3
68
Thursday, August 10, 2006
7312
P1D
7310 P1A AWT6166
A3
68
Thursday, August 10, 2006
RF test strip line
KG300
C614
1PF
C614
1PF
1
2
C618 100N C0402 C618 100N C0402
RFT1 L1_18MIL RFTP RFT1 L1_18MIL RFTP
C626 100N C0402 C626 100N C0402
C624 22P C0402 C624 22P C0402
RFT14
L4_4MIL RFTP
RFT14
L4_4MIL RFTP
+
C643 2U2 C0603
+
C643 2U2 C0603
C607 n.c. C0402 C607 n.c. C0402
C606 1N C0402 C606 1N C0402
L613 1.5NH L613 1.5NH
1
2
B607
BLM15BB750SN1
L0402
B607
BLM15BB750SN1
L0402
1
2
L605 12NH L0402 L605 12NH L0402
C622 N.C C0402 C622 N.C C0402
U601
SHS-C085TK
SHS-C090TK
U601
SHS-C085TK
SHS-C090TK
G_TX
7
D_TX
5
ANT
9
P_RX
3
D_RX
1
G_R X
11
VC3
2
VC2
4
VC1
10
GND
8
GND
6
GND
12
GND
13
GND
14
C621 22P C0402 C621 22P C0402
C602 27P C0402 C602 27P C0402
C629 N.C C0402 C629 N.C C0402
C612 N.C C0402 C612 N.C C0402
RA608
ATT_5DB 235070311052L-A
RA608
ATT_5DB 235070311052L-A
3
1 2
4
C635 2P7 C0402 C635 2P7 C0402
RFT15 L4_6MIL RFTP RFT15 L4_6MIL RFTP
+
C623 2U2 C0603
+
C623 2U2 C0603
C603 6P C0402 C603 6P C0402
L609 4.7NH L0402 L609 4.7NH L0402
C651 1N5 C0402 C651 1N5 C0402
L615 0R L0402 L615 0R L0402
C649 10N C0402 C649 10N C0402
C611 N.C C0402 C611 N.C C0402
+
C650 47U/6.3V CAP-ACASE
+
C650 47U/6.3V CAP-ACASE
RFT17 L4_8MIL RFTP RFT17 L4_8MIL RFTP
L614 18NH L0402 L614 18NH L0402
RFT18
L4_8MIL RFTP
RFT18
L4_8MIL RFTP
C627 33P C0402 C627 33P C0402
C655 5P6 C0402 C655 5P6 C0402
C636 2P7 C0402 C636 2P7 C0402
+
C660 47U/6.3V CAP-ACASE
+
C660 47U/6.3V CAP-ACASE
C601 100N C0402 C601 100N C0402
L603 1.8NH L0402 L603 1.8NH L0402
1
2
C652 N.C C0402 C652 N.C C0402
+
C625 2U2 C0603
+
C625 2U2 C0603
RFT9 L3_6MIL RFTP RFT9 L3_6MIL RFTP
C645 10N C0402 C645 10N C0402
C648 33P C0402 C648 33P C0402
RFT4 L1_20MIL RFTP RFT4 L1_20MIL RFTP
L600 0R L0402 L600 0R L0402
RFT5 L1_22MIL RFTP RFT5 L1_22MIL RFTP
RFT11 L3_8MIL RFTP RFT11 L3_8MIL RFTP
C633 100N C0402 C633 100N C0402
RFT12
L3_8MIL RFTP
RFT12
L3_8MIL RFTP
C600 100N C0402 C600 100N C0402
RFT16 L4_6MIL RFTP RFT16 L4_6MIL RFTP
C630 2P7 C0402 C630 2P7 C0402
C631 N.C C0402 C631 N.C C0402
C616 N.C C0402 C616 N.C C0402
R604 15K R0402 R604 15K R0402
C620 22P C0402 C620 22P C0402
C613 1P C0402 C613 1P C0402
1 2
U600
AWT6166
AWT6166
U600
AWT6166
AWT6166
DPCS_IN
1
EGSM_IN
7
VRAMP
6
TXEN
3
CEXT
5
VBAT
4
BS
2
DPCS_OUT
16
EGSM_OUT
10
VCC2
18
VCC2
8
VCCOUT
13
GND
9
GND
11
GND
12
GND
14
GND
15
GND
17
GND
19
+
C647 2U2 C0603
+
C647 2U2 C0603
C657 1N C0402 C657 1N C0402
R603 10K R0402 R603 10K R0402
RFT10 L3_6MIL RFTP RFT10 L3_6MIL RFTP
L616 0R L616 0R
1 2
C632 2P7 C0402 C632 2P7 C0402
L612 4.7NH L0402 L612 4.7NH L0402
+
C634 2U2 C0603
+
C634 2U2 C0603
R615 1K R0402 R615 1K R0402
C638 15P C0402 C638 15P C0402
L611 1.8NH L611 1.8NH
1
2
E600 Antenna P55-02B1-01 E600 Antenna P55-02B1-01
1
2
R611 10R R0402 R611 10R R0402
C644 33P C0402 C644 33P C0402
C639 33P C0402 C639 33P C0402
RFT7 L3_4MIL RFTP RFT7 L3_4MIL RFTP
C658 1N C0402 C658 1N C0402
+
C640 2U2 C0603
+
C640 2U2 C0603
R610 1K R0402 R610 1K R0402
B606
BLM15BB750SN1
L0402
B606
BLM15BB750SN1
L0402
1
2
C615 6P C0402 C615 6P C0402
C646 33P C0402 C646 33P C0402
U603 TCVCXO_26MHZ VT-R32250FH U603 TCVCXO_26MHZ VT-R32250FH
VCONTROL
1
GND
2
OSCOUT
3
VCC
4
Z601
1842MHZ
Z601
1842MHZ
G
2
IN
1
OUT
4
OUT
3
G1
5
L602 0R L0402 L602 0R L0402
J601 MM8430-2600B
MM8430-2600B
J601 MM8430-2600B
MM8430-2600B
4 3
1 2
5 6
C617 N.C C0402 C617 N.C C0402
Z602
1960MHZ
Z602
1960MHZ
G
2
IN
1
OUT
4
OUT
3
G1
5
B610
BLM15BB750SN1
L0402 B610
BLM15BB750SN1
L0402
1
2
C642 220P C0402 C642 220P C0402
Z600
942MHZ
Z600
942MHZ
G
2
IN
1
OUT
4
OUT
3
G1
5
RFT6 L1_22MIL RFTP RFT6 L1_22MIL RFTP
U602
MT6129
QFN56P
U602
MT6129
QFN56P
VCCTXVCO
1
CREG1
2
VBAT1
3
VCCRF
4
PCSRF
5
PCSRFB
6
DCSRFB
7
DCSRF
8
GSMRFB
9
GSMRF
10
AMPSRF
11
AMPSRFB
12
CREG2
13
ENREG
14
VBAT2
15
VCCRFBUF
16
GNDRF BUF
17
RFVCO P
18
GNDRF VCO
19
LFCAP
20
VCCRFVCO
21
GNDRF CP
22
NC
23
VCCRFCP
24
VCCSYN
25
GNDSYN
26
VCXOCXR
27
VCXOCAP
28
XTAL
29
VCCVCXO
30
REFOUT
31
GNDVCXO
32
VCXOFRQ
33
GNDMOD
34
VCCMOD
35
GNDD
36
VCCD
37
ENRFVCO
38
EN
39
CLK
40
SDATA
41
AUXOUT
42
QB
43
Q
44
IB
45
I
46
VCCIQ
47
VCCIF
48
VCCTXCP
49
NC
50
GNDT XCP
51
TXOGSM
52
GNDT XVCO
53
NC
54
GNDT XVCO
55
TXODPC S
56
GNDB
57
C604 22N C0402 C604 22N C0402
RA605
ATT_3DB 235070311032L-A
RA605
ATT_3DB 235070311032L-A
3
1 2
4
RFT3 L1_20MIL RFTP RFT3 L1_20MIL RFTP
RFT8 L3_4MIL RFTP RFT8 L3_4MIL RFTP
L604 2.7N L0402 L604 2.7N L0402
RFT2 L1_18MIL RFTP RFT2 L1_18MIL RFTP
C605 220P C0402 C605 220P C0402
C637 220P C0402 C637 220P C0402
C619 22P C0402 C619 22P C0402
C641 15P C0402 C641 15P C0402
L617
n.c.
L617
n.c. 1
2
RFT13 L4_4MIL RFTP RFT13 L4_4MIL RFTP
B608
BLM15BB750SN1
L0402
B608
BLM15BB750SN1
L0402
1
2