Motorola APX 7000 Detailed Service Manual page 391

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/VHF
DC_LIN_1_5V
IN
DC_LIN_1_875V_D
IN
DC_LIN_2_775V
IN
DC_LIN_5V
IN
DC_LIN_2_775V
L720
2.2UH
C715
.1UF
D722
IMN10
C716
4 3
.1UF A1 K1
5 2
A2 K2
6 1
A3 K3
C717
.1UF
C718
D723
.1UF
IMN10
4 3
A1 K1
5 2
A2 K2
6 1
A3 K3
C719
.1UF
DC_LIN_1_875V_D
R721
10K
DIG_CTRL_RSTB
IN
RF_PRESCALAR
IN
DC_LIN_2_775V DC_LIN_1_875V_D DC_LIN_2_775V
L733 L735
L727 2.2UH 2.2UH
2.2UH
C726 C730 C734 C737
.1UF .1UF .1UF .1UF
C724 C725
10UF .1UF
DIG_DATA_AUX_SPI_MISO
SDM_REF_VCC
D3
AGC_REF
A6
AGC_FLAG
K6
AUX_DAC
A5
NC RFSTEPA_GPO6
C3
NC AGC_DAC
B5
NC
DC_CAL_GPO5
B2
NC BP_I
C1
NC RXI
C2
NC
RXIX
B1
NC BP_IX
A10
NC SDM_VAG
E1
NC
BP_Q
D1
NC RXQ
D2
NC RXQX
E2
NC
BP_QX
F5
NC SCAN_IN
B6
NC RX_EN_OUT
J7
NC ICAP
K7
NC QCAP
J10
NC CLK_OUT
J11
NC TCLK
L6
NC NTXQ
L7
NC TXQ
K8
NC NTXI
L8
NC
TXI
F8
NC INCR_DECR
G11
NC PHCLK
A3
NC
FBQ
A4
NC FBI
DC_LIN_2_775V
DC_LIN_2_775V_16_8_MHZ_IN
L728
390NH
C731
.1UF
Y701
1XTV16800VDA
R729 C736
16.8MHZ
22K .01UF
1 3
VCONT OUTPUT
5
NC1
NC
6
NC2 NC
7
NC3 NC
C732 8
NC4
NC
39PF
DC_LIN_2_775V
L738
2.2UH
U702
15H28
R706
D9
SPI_DR
0
D8
CEX
D10
SPI_DW
C11
SPI_CLK
F9
TXFS
F10
TXCLK
F11
TXD
F7
DMCS
D11
RXD NC
E9
RXCLK NC
E8
RXFS NC
D7
RXACQ
R704
J2
ESC_IN
51
L3
NC
ESC_CP
K1 R703
ESCD2_OUT
51
K2
ESCD2_OUTX
H2
ESC_INX
C748
C705
220PF
220PF
C747
220PF
L9
HP_MOD_OUT
G2
MN_ADAPT_CP
C749 R755
H1 .1UF 39K
M_PRSCX
G1
M_PRSC
RF_PRESCALAR
G3
MN_CP
C744
10UF
C742
.1UF
DC_LIN_2_775V_16_8_MHZ_IN
L741
2.2UH
R702
0
R745 C750
22K .1UF
C739
4.7PF
U746
1
BFQ67W C752
180PF
R743
47K
R751 C710 C711
270 560PF
56PF
Figure 8-53. MNUT4000A/C/E Frequency Generation Unit (Synthesizer) Circuit – 1 of 2
DC_LIN_2_775V
DC_LIN_1_5V
DIG_CTRL_LOCK
DIG_DATA_SPI_MISO
DIG_CTRL_SPI_TRIDENT_PE
DIG_DATA_SPI_MOSI
DIG_SPI_CLK
DIG_TX_SSI_FS
DIG_TX_SSI_CLK
DIG_DATA_TX_SSI
DIG_CTRL_SSI_TRIGGER
RF_ESCORT
RF_ESCORT_DIV2_NONINV
RF_HP_MOD_OUT
ANA_ADAPT_CHARGE_PUMP
ANA_CHARGE_PUMP
DC_SUPER_FILTER_5V
DIG_CTRL_R78H
C756 C757
10UF .1UF
DC_LIN_2_775V DIG_CTRL_FEBS
DIG_CTRL_T78H
C758
.047UF
R707
0
U703
DIG_DATA_AUX_SPI_MISO
MAX7301ATL
DIG_CTRL_TXH1
V_POS
32 40
SCLK DOUT
34 30
CS P4
33 28
DIN P5
26
P6
36 24
ISET P7
1
P8
29 3
P31 P9
27 5
P30 P10
25 7
P29 P11
23 2
P28 P12
22 4
P27 P13
R754 5.6K DNP RF BRD ID 21 6
P26 P14
19 8
P25 P15
RF BRD ID R753 DNP 18 9
P24 P16
DIG_CTRL_VTUR1
5.6K 17 10
P23 P17
RF BRD ID R752 16 12
P22 P18
DIG_CTRL_7T8R
5.6K 15 13
P21 P19
14
P20
DIG_CTRL_8T7R
11
NC1 NC
20
NC2
NC
31
NC3 NC
DIG_CTRL_RX7H
DIG_CTRL_RX8H
DIG_CTRL_ATTH
DIG_CTRL_I_LIMIT
DIG_CTRL_RMTH
L753
2.2UH
C754
C712
56PF
270PF
DNP
DNP
8-115
OUT
OUT
OUT
OUT
IN
IN
IN
OUT
OUT
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
DIG_CTRL_TR
OUT
DIG_CTRL_TR
OUT
DIG_CTRL_E
OUT
OUT
DIG_CTRL_D
OUT
DIG_CTRL_F
OUT
DIG_CTRL_A
OUT
DIG_CTRL_C
OUT
DIG_CTRL_VR
OUT
DIG_CTRL_78T
OUT
OUT
OUT
OUT
DIG_CTRL_UT1
OUT
DIG_CTRL_UT2
OUT
OUT
OUT
OUT
OUT
OUT
DIG_CTRL_G
OUT
DIG_CTRL_B
OUT
DIG_CTRL_H
OUT
DIG_CTRL_UR2
OUT
CLK_16_8_MHZ
OUT