Motorola MTH500 Service Manual page 115

MTH500 Main RF Block
TP805
CHTSTP
L931
1.u
1
V4_2.775V_RF
TP806 C1046
CHTSTP
47.0U
E201
VALUE
1
5V_RF
TP815
C203
CHTSTP
270.p
1
RAW_B+_RF
TP802
CHTSTP
VREF1_2.775V
V3_2.775
E203
VALUE
TP828
C205
CHTSTP
270.p
TP803
CHTSTP
1
SPIA_CS0_WPIC
TP820
CHTSTP 1
RF_TEMP
TP829
1 CHTSTP
WPIC_STD
832
CHTSTP 1
WPIC_SRD
1
WPIC_TXCLK
TP812
CHTSTP
1
WPIC_SSI_FSYNCH
TP814
CHTSTP
1
16.8_OR13_MHz_CLK
TP813
TP809 CHTSTP
CHTSTP
WPIC_OSC_EN 1
1
RX_ACQ
TP833
CHTSTP TP850
CHTSTP
1
WPIC_TXE
TCXO_WARP
68P02963C70-O
N/U
C200 C201
270.p 100.n
N/U
C204
100.n
WPIC_RESET
5V_RF+
2.775V_RF
VREF1_2.775V TCLK
TCLKB
V3 TSLOT
N/U
TSLOTB
SPI_IN
C206
100.n OUTIB
SPI_CLK
OUTI
WPIC_CE
OUTQB
Receiver
RF_TEMP
OUTQ
STD
SRD
VCNTO
TXCLK
RX_TETRA
ASW
SSI_FSYNCH
CLK_OUT
SF_OUT SF_OUT
OSC_EN
ADAPT ADAPT
RX_ACQ
TXE
CPGITR CPGITR
TCXO_WARP
PRSCIN PRSCIN
Ded_Synt_Ref Ded_Synt_Ref
RX_2nd_LO RX_2nd_LO
TETRA_RX_LO TETRA_RX_LO
TETRA_2nd_LO_Enable TETRA_2nd_LO_Enable
GND GND
N/U
SH912
SHIELD
Digital Test Point Shield
1
TCLK
TCLKB
TSLOT
TSLOTB
OUTIB
OUTI
TETRA Transmitter
OUTQB
OUTQ
VCNTO
RX_TETRA
ASW
TETRA_TX_LO TETEA_TX_LO
offset_vco
5V_RF+
Frequency Generation
2.775V_RF GND
offset_vco
offset_vco_En
TETRA_MAIN_VCO_ON
SPIA_CS3_SYNT
SPIA_CLK
SPIA_MOSI
MTH500 Detailed Service Manual - MTH500 Main RF Block
N/U
TP934 U810
PLATED_HOLE5_2X7_6 PLATED_HOLE5_2X7_6
GND GND
1 1
TP825
CHTSTP
1
RAW_B+_RF
TP830
5V_RF+
CHTSTP
2.775V_RF
1
PA_TEMP
TP819
CHTSTP
TP822
CHTSTP
1
ODCT_CS
TP818
1 CHTSTP
SPI_CLK
TP821
CHTSTP 1
SPI_MISO
1
SPI_MOSI
TP823
TP824 CHTSTP
CHTSTP
1
LO_Driver_EN
TP817
1
CHTSTP
LO_Mixer_EN
TP804
CHTSTP 1
PA_BIAS
1
ANT_EN
VA Connector
J700-2
TETRA_ANT
2
J700-1
M500
1
J700-3
M501
3
J700-4
Antenna Contacts
4
TP811
CHTSTP
1
TP808
CHTSTP
1
79B02964C09-O
SHEET 2 OF 9
RESET
PA_TEMP
SPIA_CS2_ODCT
SPIA_CLK
SPIA_MISO
SPIA_MOSI
LO_Driver_EN
LO_Mixer_EN
PA_BIAS
ANT_EN
TETRA_MAIN_VCO_ON
SYNTH_CS
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