Flow Chart of Troubleshooting
1
2
3
4
5
6
7
8
9
01
11
21
31
41
51
9585
NN 2C1C
CP_HOLD1
CP1
FAQ1
VDDA1
VDDA2
TCXO
VDDA3
VTUNE_REF
VCO_TUNE
VDDA4
RX_QP
RX_QN
RX_IP
RX_IN
VDDA5
| 75 |
| 65 |
| 55 |
| 45 |
| 35 |
| 25 |
| 15 |
| 05 |
| 94 |
| 84 |
| 74 |
| 64 |
DNG | 71A DDV | TUO 008 STM U | 61A DDV | TUO 009 ST1 MU | 51A DDV | TUO 001 2ST MU | 41A DDV | LOR TNO CV | 31A DDV | NO FR | TSB S | ||||||||||||
U700
|
|
|
|
|
|
|
| FE | NNI 0 | PNI 0 |
|
| NNI 00 | PNI 00 |
|
|
|
| |||||
PQ XT | NQ XT | PIX T | NXI T | RC AD | 58M SG | 58M SG | 6AD DV | 9M1 SG | 91M SG | 7AD DV | 8AD DV | ||||||||||||
| 61 |
| 71 |
| 81 |
| 91 |
| 02 |
| 12 |
| 22 |
| 32 |
| 42 |
| 52 |
|
| 72 | |
|
|
|
|
|
|
|
|
|
|
| 62 |
| |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 54 |
| 44 |
TDB S | KCB S | ||
|
|
| VDDM |
TX_VCO_FB VDDA12 TX_MOD_CP VDDA11 GSM900_INN GSM900_INP VDDA10
GSM1800_INP
GSM1800_INN
R_BIAS
RX_VCO_IN
VDDA9
CP2
CP_HOLD2
AF 2Q
82
34
24
14
04
93
83
37
63
53
43
33
23
13
03
92
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