6. BLOCK DIAGRAM
- 158 -
6.1 GSM & UMTS RF Block
6. BLOCK DIAGRAM
TX_ON
TX_AGC_ADJ
DAC_REF
TX_IQ
TCXO
TCXO_EN
TRK_LO_ADJ
RF_ON
VCONTROL
DAC_REF
SBDT
VCTCXO
19.2MHz
PLL1
RTR6275
MSM6280
HB_RF_OUT1
RX_IQ
V_TUNE1
RX_IQ
EGSM_INP
EGSM_INN
DCS_INP
DCS_INN
GPCS_INP
GPCS_INN
LB_RF_OUT1
FRONT
END
MODULE
SP8T
EGSM
WCDMA
PAM
SSBDT_RTR
PM_SBDT
BT RF MODULE
XTAL_IN
BT_SBST/CK/DT
BT_SBST/CK/DT
BT_RX_TX_N
BT_DATA
Bluetooth RF
TX SAW
FILTER
DCS/PCS
HB_RF_OUT2
PWD_DET_IN
WCDMA
2100
Duplexer
GSM
Quad
PAM
WCDMA
TX SAW
WCDMA
RX SAW
PMIC
Buck
Converter
Coupler
WMIX_INM
WLNA_OUT
WMIX_INP
VDDA
TCXO
TX_IQ
PLL2
V_TUNE2
RX_BB_TX_BB
SYNC_DET_TX_EN
SBDT
WCDMA2100
GSM900/1800/1900
[Fig 2.1] U970/KU970 RF Functional Block Diagram
Содержание U970
Страница 1: ...Date April 2007 Issue 1 0 Service Manual Model U970 KU970 Service Manual U970 KU970 ...
Страница 3: ... 4 ...
Страница 20: ...3 TECHNICAL BRIEF 21 Fig 1 2 RTR6275 RX feature ...
Страница 23: ...3 TECHNICAL BRIEF 24 Figure 1 4 RTR6275 IC functional block diagram WCDMA_2100_TX WCDMA_2100_RX ...
Страница 28: ...3 TECHNICAL BRIEF 29 Figure1 7 PM6650 Block Diagram ...
Страница 41: ...3 TECHNICAL BRIEF 42 Table 1 1 Summary of MSM6280 device features ...
Страница 45: ...3 TECHNICAL BRIEF 46 Figure 1 1 PM6650 Functional Block Diagram ...
Страница 76: ...4 TROUBLE SHOOTING 77 4 1 RF CRF Component TOP SIDE BOTTOM SIDE 4 TROUBLE SHOOTING ...
Страница 81: ...4 TROUBLE SHOOTING 82 Check C412 of PMIC U400 Check R214 of MSM U200 ...
Страница 83: ...4 TROUBLE SHOOTING 84 Logic Table of the FEM ...
Страница 89: ...4 TROUBLE SHOOTING 90 4 7 Checking GSM Block ...
Страница 91: ...4 7 3 Checking RF Tx level 4 TROUBLE SHOOTING 92 ...
Страница 94: ...4 TROUBLE SHOOTING 95 ...
Страница 100: ...4 TROUBLE SHOOTING 101 R403 Q402 Q401 Q400 Charging part Main PCB Front ...
Страница 103: ...4 TROUBLE SHOOTING 104 Q400 X 200 USB part 1 Main PCB Front U503 USB part 2 Main PCB Rear ...
Страница 112: ...4 TROUBLE SHOOTING 113 CN601 CN701 CN700 ...
Страница 115: ...4 TROUBLE SHOOTING 116 C500 C501 R501 R502 ...
Страница 117: ...4 TROUBLE SHOOTING 118 SPK Audio Amplifier Analog Switch ...
Страница 119: ...4 TROUBLE SHOOTING 120 MIC800 R507 C520 ...
Страница 121: ...4 TROUBLE SHOOTING 122 R303 Ear_Sense_N C210 MIC Input ...
Страница 141: ...5 DOWNLOAD 142 ...
Страница 147: ...5 DOWNLOAD 148 Read IMEI BT address from UE 2 Step 4 Check IMEI and Bluetooth address ...
Страница 158: ...6 BLOCK DIAGRAM 159 Table 2 1 RF Block Component ...
Страница 163: ...6 BLOCK DIAGRAM 164 6 2 4 Placement Top Side ...
Страница 164: ...6 BLOCK DIAGRAM 165 Bottom Side ...
Страница 165: ... 166 ...
Страница 175: ... 176 8 PCB LAYOUT U970 KU970 ...
Страница 176: ... 177 8 PCB LAYOUT U970 KU970 ...
Страница 177: ... 178 8 PCB LAYOUT U970 KU970 ...
Страница 178: ... 179 8 PCB LAYOUT U970 KU970 ...
Страница 179: ... 180 8 PCB LAYOUT ...
Страница 180: ... 181 8 PCB LAYOUT ...
Страница 181: ... 182 ...
Страница 187: ... 188 ...
Страница 189: ... 190 ...
Страница 209: ...Note ...
Страница 210: ...Note ...