![LG LG-MC2670 Service Manual Download Page 57](http://html.mh-extra.com/html/lg/lg-mc2670/lg-mc2670_service-manual_220929057.webp)
RX ADCs
IDLE/
RAM&ROM
Keypad
ARM7TDMI
General
Purpose
Interface
Vocoder
EVRC
QDSP2000
Mode
Selection
Interface
ANSI/IEEE
JTAG Interface
External Mode Select
Digital Test Bus
P_EN
Integrated
voice
CODEC
UART1
UART2/
R-UIM
PC Connectivity
Test/Debug System
Ear Jack
PLL
MC
Vibration
Motor
LCD Display
Peripherals
ANT
CEL
L
DUP.
VCTCXO
PAM
U102
RF
RF
RFR6122 (5X5) / U106
TX
PLL
LOOP
FILTER
CDMA
LPF
2
2
V ref=2.8V
869 ~ 894MHz
-104 ~ -25 dBm
RX
824 ~ 849 MHz
TX
-50 ~ +23 dBm
TCXO_2.85 V
MSMP_2.8 V
MSMC_2.8 V
TX_REG_2.85 V
MSMA_2.6V
RX
_2.6 V
TX_2.6 V
PM6610 (PMIC) / U400
SBI
LNA
856302 / F103
Loss=2.0dB
DSA535SB / X100 / -19.20M
PM6610 Buffer
RF3163
EFSD836MD2S2 / DP101
824~849MHz Loss=1.6dB
869~894MHz Loss=2.0dB
DAC_IREF
Quadrature
Up-converter
LO Generaion
& Distribution
SBI
Control
Circuit
TX_ON
SBCK
SBST
SBDT
Gain
Control
Circuit
ctls
TX
VCO
RX
PLL
Logic
LOOP
FILTER
LOCK
Quadrature
Up-converter
LO Generaion
& Distribution
VCO
CDMA
LPF
TX_I/
TX_Q
TX_Q/
RX_IP
RX_IM
RX_QP
RX_QM
TX DACs
SBI
Control
Circuit
ctls
AUX_SBI
SBI
SBCK
SBST
SBDT
TCXO
RFT Output
824 ~ 849 MHz
-75~+6 dBm
1664~1788MHz
Typ.
–
15dBm
Hjgi Gain : 16dB
mid Gain : 4dB
Low Gain : -5dB
Off Gain : -20dB
Z3X-BOX.COM
Summary of Contents for LG-MC2670
Page 17: ...LG MC26 70 DCN Mode Graph 2 1 2 1763 04MHz DCN384 14 Z 3 X B O X C O M ...
Page 21: ...LG MC2670 Waveform DP101 Pin 5 Graph 2 1 4 c DP101 Pin 8 Graph 2 1 4 b 18 Z 3 X B O X C O M ...
Page 32: ...LG MC2670 Circuit Diagram 29 Z 3 X B O X C O M ...
Page 55: ...LG MC2670 Appendix Z 3 X B O X C O M ...
Page 56: ...Z 3 X B O X C O M ...
Page 58: ...Z 3 X B O X C O M TX Line RX Line Local Line RD2670 ...
Page 59: ...Z 3 X B O X C O M TX Line RX Line MIC Line SPK Line RD2670 ...
Page 60: ...Z 3 X B O X C O M RD2670 ...
Page 61: ...Z 3 X B O X C O M SPK Line MIC Line RD2670 ...
Page 65: ...Description LG Part No Q ty MAIN PCB SPFY0083001 1 2 PCB Z 3 X B O X C O M ...