Motorola APX 3000 Detailed Service Manual page 350

8-128
DC_LIN_1_5V
IN
DC_LIN_1_875V_D
IN
DC_LIN_2_775V
IN
DC_LIN_5V
IN
DC_LIN_2_775V
L720M7
2.2UH
C715M7
.1UF
D722M7
IMN10
C716M7
4 3
.1UF A1 K1
5 2
A2 K2
1
6
A3 K3
C717M7
.1UF
C718M7
D723M7
.1UF
IMN10
4 3
A1 K1
5 2
A2 K2
6 1
C719M7 A3 K3
.1UF
DC_LIN_1_875V_D
R721M7
10K
DIG_CTRL_RSTB
IN
RF_PRESCALAR
IN
Figure 8-73. Frequency Generation Unit Circuit - 1 of 2
DC_LIN_2_775V DC_LIN_1_875V_D DC_LIN_2_775V DC_LIN_2_775V
L733M7 L735M7
L727M7 2.2UH 2.2UH
2.2UH
C726M7
.1UF
C730M7 C734M7 C737M7
.1UF .1UF .1UF
C724M7 C725M7
10UF .1UF
DIG_DATA_AUX_SPI_MISO
GPO6 D3
AGC_REF
A6
AGC_FLAG
K6
AUX_DAC
A5
RFSTEPA_GPO6
C3
NC AGC_DAC
B5
DC_CAL_GPO5
B2
NC BP_I
GPO5 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
GPO8
GPO7
GPO1
GPO4
GPO2 GPO3
DC_LIN_2_775V DC_LIN_2_775V_16_8_MHZ_IN
L728M7
390NH
C731M7
.1UF
Y701M7
1XTV16800VDA
R729M7 16.8MHZ C736M7
22K .01UF
1 3
VCONT OUTPUT
5
NC1 NC
6
NC2 NC
7
NC
NC3
C732M7 8
NC4 NC
39PF
L738M7
2.2UH
NC
U702M7
15H28
R706M7
0
D9
SPI_DR
D8
CEX
D10 C756M7
SPI_DW
C11 10UF
SPI_CLK
F9
TXFS
F10
TXCLK
F11
TXD
F7
DMCS
D11
RXD NC
E9
RXCLK NC
E8
RXFS NC
D7
RXACQ
J2
ESC_IN NC
L3
ESC_CP NC
K1
ESCD2_OUT NC
K2
ESCD2_OUTX NC
H2
ESC_INX NC
L9
HP_MOD_OUT
G2
MN_ADAPT_CP
H1
M_PRSCX
G1
M_PRSC C749M7
.1UF
RF_PRESCALAR
G3
MN_CP
C744M7
10UF
C742M7
.1UF
L741M7 DC_LIN_2_775V_16_8_MHZ_IN
2.2UH
DC_LIN_5V
R702M7
0
RF_HP_MOD_OUT
R745M7 C750M7
22K .1UF
C739M7
4.7PF
1 U746M7
BFQ67W
C752M7 L753M7
180PF 2.2UH
R743M7
47K
R751M7
C710M7 C711M7
270
560PF 56PF
DNP DNP
Schematics, Boards Overlays, and Parts Lists: Main Board Block: VHF (84012512001_A)
OUT GPO1
OUT GPO2 DC_LIN_2_775V
OUT GPO3 DC_LIN_1_5V
OUT GPO4
OUT GPO6
OUT GPO8
OUT GPO7
OUT
GPO5
DIG_CTRL_LOCK
DIG_DATA_SPI_MISO
TP701M7
TEST_POINT
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_HP_MOD_OUT
ANA_ADAPT_CHARGE_PUMP
ANA_CHARGE_PUMP
DC_SUPER_FILTER_5V
C757M7
.1UF
R705M7
1.2K
VCO_VCTRL
ANA_CHARGE_PUMP
C703M7 C707M7 C713M7
.039UF 6800PF .016UF
R701M7
680
R708M7
68
ANA_ADAPT_CHARGE_PUMP
C702M7 C704M7 C706M7 C709M7 C714M7
.082UF .082UF .082UF .1UF .082UF
C720M7
1800PF
R722M7
C721M7
200
.22UF
R723M7
2.4K
CLK_16_8_MHZ
C754M7 C712M7
56PF
270PF
DNP
IO
OUT
IN
IN
IN
OUT
OUT
IN
IN
OUT
OUT
OUT