Motorola APX 7000 Detailed Service Manual page 443

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1/UHF2
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
.1UF A1 K1
5
A2 K2
6
A3 K3
C717
.1UF
C718
.1UF
D723
IMN10
C719
4
.1UF A1 K1
5
A2 K2
6
A3 K3
DC_LIN_1_875V_D
R721
10K
DIG_CTRL_RSTB
IN
RF_PRESCALAR
IN
DC_LIN_2_775V DC_LIN_1_875V_D
L733
2.2UH
L727
2.2UH
C726 C730 C734
.1UF .1UF .1UF
3
2
1
C724 C725
10UF .1UF
3
2
1
DIG_DATA_AUX_SPI_MISO
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
16.8MHZ
22K
1 3
VCONT OUTPUT
NC1 5
NC
6
NC2 NC
7
NC3 NC
8
C732 NC4
NC
39PF
DC_LIN_2_775V DC_LIN_2_775V
L735 L738
2.2UH 2.2UH
C737
.1UF
U702
15H28
D9
SPI_DR
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 C748 220PF
ESC_INX
C705
220PF
C747
220PF
L9
HP_MOD_OUT
G2
MN_ADAPT_CP
C749
.1UF
H1
M_PRSCX
G1
M_PRSC
RF_PRESCALAR
G3
MN_CP
C744
10UF
C742
.1UF
L741
DC_LIN_2_775V_16_8_MHZ_IN
2.2UH
DC_LIN_5V
R702
0
C750
R745
22K .1UF
C739
C736
4.7PF
.01UF
1 U746
BFQ67W
C752
180PF
R743
47K
R751 C710
270 560PF
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
R706
0
C756 C757
10UF .1UF
DC_LIN_2_775V
C758
.047UF
R707
0
U703 DIG_DATA_AUX_SPI_MISO
MAX7301ATL
32 40
DOUT
SCLK
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
R755 23 2
P28 P12
39K 22 4
P27 P13
R754 5.6K DNP RF BRD ID 21 6
P26 P14
19 8
P25 P15
RF BRD ID R753 18 9
P24 P16
5.6K
17 10
P23 P17
RF BRD ID R752 16 12
P22 P18
5.6K 15 13
P21 P19
14
P20
11
NC
NC1
20
NC2 NC
31
NC3 NC
L753
2.2UH
C711 C754 C712
56PF 56PF 270PF
DNP DNP
Figure 8-74. MNUE7367A Frequency Generation Unit (Synthesizer) Circuit – 1 of 2
8-167
DC_LIN_2_775V
OUT
DC_LIN_1_5V
OUT
OUT
OUT
IN
IN
IN
OUT
OUT
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
DIG_CTRL_R78H
OUT
DIG_CTRL_FEBS
OUT
DIG_CTRL_T78H
OUT
DIG_CTRL_TR
OUT
DIG_CTRL_TR
OUT
DIG_CTRL_E
OUT
DIG_CTRL_TXH1
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
DIG_CTRL_VTUR1
OUT
DIG_CTRL_7T8R
OUT
DIG_CTRL_8T7R
OUT
DIG_CTRL_UT1
OUT
DIG_CTRL_UT2
OUT
DIG_CTRL_RX7H
OUT
DIG_CTRL_RX8H
OUT
DIG_CTRL_ATTH
OUT
DIG_CTRL_I_LIMIT
OUT
DIG_CTRL_RMTH
OUT
DIG_CTRL_G
OUT
DIG_CTRL_B
OUT
DIG_CTRL_H
OUT
DIG_CTRL_UR2
OUT
CLK_16_8_MHZ
OUT