Hue4040A (Uhf Range 2) Main Board; Figure 7-78. Hue4040 Main Board Overall Block Diagram And Interconnections - Motorola ASTRO XTL 1500 Detailed Service Manual

7-106
7.5

HUE4040A (UHF Range 2) Main Board

CONTROLLER
MOSIA_ABACUS
SCKA_ABACUS
AUX_5V
RF_BE_Interface
ABACUS3_CS
ABACUS_SSI_FSYNC
ABACUS_SSI_CLK
ABACUS_SSI_RXD
5V_ABACUS
RX_FILT_1
RF_FE/IF_Interface
RX_ATTEN_3
RX_ATTEN_2
RX_ATTEN_1
9.3V_ABACUS
9.3V_FGU
MOSIA_FGU
FGU_Interface
SCKA_FGU
SYN_SEL
LOCK_DET
16.8_MHZ
MODIN
A+_1
A+_2
K9.1V
VFORWARD
VREVERSE
VTEMP
VCURRENT
RFPA_Interface
RFPA_CNTRL
VGBIAS_1
VGBIAS_2
VGBIAS_3
A+_3
A+_4

Figure 7-78. HUE4040 Main Board Overall Block Diagram and Interconnections

June 15, 2005
RX_BE
5V_TO_IF
5V_FROM_CONTR
FGU
DOUTA_3 DOUTA_2 DOUTA_1
CLKOUT_3 CLKOUT_2 CLKOUT_1
FS_3 FS_2 FS_1
PE_3 PE_2 PE_1
9.3V_TO_IF
PC_3
PC_2 PC_1
PD_3 PD_2 PD_1
5V_Reg
5V_TO_FGU
SPI_CLK 16_8MHz
FREF
SPI_DATA 9.3V_FROM_FGU
16_8_CONT
MOD_IN
SYN_SEL RX_Inj_SW
Lock_Det RX_Inj
9.3V_1 9.3V_2
TX_INJ
TX_INJ
K9.1V
VGBIAS1
VGBIAS2
VGBIAS3
RFPA_CNTRL
VFORWARD
VREVERSE
VCURRENT
VTEMP
A+_1
A+_2
Schematics, Component Location Diagrams, and Parts Lists: HUE4040A (UHF Range 2) Main Board
RX_IF
9.3V_TO_CONTR
9.3V_FROM_FE
5V_IF
IF_OUT IF_IN
IF
RF_ATTN_1_B
RF_ATTN_1_C
RF_ATTN_2_C RF_ATTN_2_B
RF_ATTN_3_C RF_ATTN_3_B
RX_FILT_1 RX_FILT_1_A
9.3V_FROM_BE
RFPA
VREVERSE_ON
RFPA_OUT
SWITCH_BIAS
VFORWARD_ON
RX_FE
9.3V_TO_IF
IF_OUT_IF
RF_IN
LO_IN
RF_ATTN_1_A
RX_FILT_1_A
RF_ATTN_2_A
RF_ATTN_3_A
RX_Inj_SW
OUTPUT NETWORK
VREVERSE_ON
RFPA_OUT
SWITCH_BIAS
RX_IN
VFORWARD_ON
6815854H01-A