Motorola APX 7000 Detailed Service Manual page 291

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF/700–800
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
C716 IMN10
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_2_775V
DC_LIN_1_875V_D
L733 L735
L727
2.2UH 2.2UH
C726
2.2UH
.1UF
C730 C734 C737
.1UF .1UF
.1UF
C724 C725
10UF .1UF
DIG_DATA_AUX_SPI_MISO
D3
AGC_REF
A6
AGC_FLAG
K6
AUX_DAC
A5
RFSTEPA_GPO6
NC
C3
NC AGC_DAC
B5
NC DC_CAL_GPO5
B2
BP_I
NC
C1
NC RXI
C2
NC RXIX
B1
BP_IX
NC
A10
NC SDM_VAG
E1
BP_Q
NC
D1
RXQ
NC
D2
NC RXQX
E2
BP_QX
NC
F5
NC SCAN_IN
B6
NC RX_EN_OUT
J7
ICAP
NC
K7
NC QCAP
J10
NC CLK_OUT
J11
TCLK
NC
L6
NC NTXQ
L7
NC TXQ
K8
NTXI
NC
L8
NC TXI
F8
NC INCR_DECR
G11
PHCLK
NC
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 VCC 3
OUTPUT
VCONT
5
NC1
NC
6
NC2 NC
7
NC3
NC
8
C732
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
NC
RXD
E9
NC
RXCLK
E8
RXFS NC
D7 R704
RXACQ
J2
51
ESC_IN
L3 NC
ESC_CP
K1
ESCD2_OUT R703 51
K2
ESCD2_OUTX H2
ESC_INX
C748
C705
220PF
220PF
C747
L9 220PF
HP_MOD_OUT
G2
MN_ADAPT_CP
R755
C749 .1UF
H1
39K
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
R702
0
R745
22K
C750
.1UF
U746
1
BFQ67W
C739
10PF
R743 L753
C752
2.2UH
47K .01UF
R751 C754
270 56PF
Figure 8-14. MNUR4001B/D 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
DIG_CTRL_TR
DIG_CTRL_TR
R707
0
U703 DIG_CTRL_E
DIG_DATA_AUX_SPI_MISO
MAX7301ATL
DIG_CTRL_TXH1
V_POS
32 40
SCLK DIG_CTRL_D
DOUT
34 30
CS P4
DIG_CTRL_F
33 28
DIN P5
26
P6
DIG_CTRL_A
36 24
ISET P7
1
P8
DIG_CTRL_C
29 3
P31 P9
27 5
P30 P10
25 7
P29 P11
23 2
P28 P12
DIG_CTRL_VR
22 4
P27 P13
DNP R754 RF BRD ID 21 6
P26 P14
DIG_CTRL_78T
5.6K 19 8
P25 P15
RF BRD ID R753 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
DIG_CTRL_UT1
20
NC2
NC
31
NC3 NC
DIG_CTRL_UT2
DIG_CTRL_RX7H
DIG_CTRL_RX8H
DIG_CTRL_ATTH
DIG_CTRL_I_LIMIT
DIG_CTRL_RMTH
DIG_CTRL_G
DIG_CTRL_B
DIG_CTRL_H
DIG_CTRL_UR2
CLK_16_8_MHZ
8-15
OUT
OUT
OUT
OUT
IN
IN
IN
OUT
OUT
IN
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT