MTH500 Detailed Service Manual - MTH500 Main RF Block
68P02963C70-O
6 - 13
MTH500 Main RF Block
SHEET 2 OF 9
VA Connector
N/U
N/U
N/U
N/U
N/U
1
TP828
CHTSTP
1
79B02964C09-O
Digital Test Point Shield
Antenna Contacts
C205
270.p
VALUE
TP825
CHTSTP
L931
1.u
E201
CHTSTP
1
TP808
CHTSTP
1
TP817
CHTSTP
1
TP804
CHTSTP
1
TP811
CHTSTP
1
TP823
CHTSTP
1
TP824
CHTSTP
1
TP815
CHTSTP
1
TP818
CHTSTP
1
TP821
1
TP805
CHTSTP
1
TP806
CHTSTP
1
TP830
CHTSTP
1
TP819
CHTSTP
1
TP822
CHTSTP
C1046
47.0U
M500
SHIELD
SH912
1
M501
TP934
1
GND
PLATED_HOLE5_2X7_6
U810
1
GND
J700-4
4
PLATED_HOLE5_2X7_6
1
J700-3
3
J700-2
2
J700-1
PA_BIAS
PA_TEMP
RAW_B+_RF
RX_TETRA
SPI_CLK
SPI_MISO
SPI_MOSI
TCLK
TCLKB
TETEA_TX_LO
TETRA_ANT
TSLOT
TSLOTB
VCNTO
offset_vco
2.775V_RF
5V_RF+
ANT_EN
ASW
GND
LO_Driver_EN
LO_Mixer_EN
ODCT_CS
ODCT_RESET
OUTI
OUTIB
OUTQ
OUTQB
C206
CHTSTP
TP802
100.n
100.n
C204
C201
100.n
270.p
C200
C203
270.p
RX_2nd_LO
SF_OUT
SPIA_CLK
SPIA_CS3_SYNT
SPIA_MOSI
TETRA_2nd_LO_Enable
TETRA_MAIN_VCO_ON
TETRA_RX_LO
TETRA_TX_LO
offset_vco
offset_vco_En
TSLOT
TSLOTB
TXCLK
TXE
V3
VCNTO
VREF1_2.775V
WPIC_CE
WPIC_RESET
2.775V_RF
5V_RF+
ADAPT
CPGITR
Ded_Synt_Ref
GND
PRSCIN
PRSCIN
RF_TEMP
RX_2nd_LO
RX_ACQ
RX_TETRA
SF_OUT
SPI_CLK
SPI_IN
SRD
SSI_FSYNCH
STD
TCLK
TCLKB
TCXO_WARP
TETRA_2nd_LO_Enable
TETRA_RX_LO
2.775V_RF
5V_RF+
ADAPT
ASW
CLK_OUT
CPGITR
Ded_Synt_Ref
GND
OSC_EN
OUTI
OUTIB
OUTQ
OUTQB
E203
VALUE
CHTSTP
TP850
TP833
CHTSTP
1
TP812
CHTSTP
1
CHTSTP
TP809
1
CHTSTP
TP813
1
TP829
CHTSTP
1
TP814
CHTSTP
1
CHTSTP
1
TP803
CHTSTP
1
832
CHTSTP
1
RF_TEMP
16.8_OR13_MHz_CLK
SPIA_CS0_WPIC
WPIC_TXE
WPIC_STD
WPIC_SSI_FSYNCH
WPIC_TXCLK
WPIC_SRD
RX_ACQ
WPIC_OSC_EN
TP820
LO_Mixer_EN
PA_TEMP
V4_2.775V_RF
5V_RF
V3_2.775
ANT_EN
VREF1_2.775V
TCXO_WARP
RESET
SYNTH_CS
TETRA_MAIN_VCO_ON
LO_Driver_EN
SPIA_CS2_ODCT
PA_BIAS
RAW_B+_RF
SPIA_MISO
SPIA_CLK
SPIA_MOSI
Receiver
TETRA Transmitter
Frequency Generation
Содержание MTH500
Страница 10: ...Contents x 68P02963C70 O THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 14: ...Foreword xiv 68P02963C70 O THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 18: ...Overview 1 4 68P02963C70 O THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 50: ...Theory of Operation 2 32 68P02963C70 O THIS PAGE INTENTIONALLY LEFT BLANK ...
Страница 76: ...Troubleshooting 3 26 68P02963C70 O Offset VCO Test ...
Страница 78: ...Troubleshooting 3 28 68P02963C70 O This page left blank intentionally ...
Страница 82: ...Programming the Radio 4 4 68P02963C70 O This page left blank intentionally ...
Страница 100: ...Maintenance 5 18 68P02963C70 O Figure 23 Exploded View 1 2 3 4 5 7 6 X6 8 ...
Страница 101: ...Maintenance 68P02963C70 O 5 19 Figure 24 Exploded View of Chassis Assembly 9 12 13 10 11 14 ...
Страница 102: ...Maintenance 5 20 68P02963C70 O ...
Страница 103: ...MTH500 Detailed Service Manual COMPONENT BOARD LAYOUTS 68P02963C70 O 6 1 Component Board Layouts ...
Страница 104: ...MTH500 Detailed Service Manual COMPONENT BOARD LAYOUTS 6 2 68P02963C70 O This page intentionally left blank ...
Страница 109: ...MTH500 Detailed Service Manual Schematic Diagrams and Parts Lists 68P02963C70 O 6 7 Schematic Diagrams and Parts Lists ...
Страница 134: ...SCHEMATIC DIAGRAMS MTH500 Flex CD 6 32 68P02963C70 O This page left blank intentionally ...
Страница 140: ...Replacement Parts and Kits 6 68P02963C70 O ...
Страница 141: ...Replacement Parts and Kits 68P02963C70 O 7 ...
Страница 142: ...Replacement Parts and Kits 8 68P02963C70 O ...
Страница 144: ...Test Equipment Service Aids Tools A2 2 68P02963C70 O THIS PAGE INTENTIONALLY LEFT BLANK ...