Motorola APX 1000 Detailed Service Manual page 318

8-62
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
A1 K1
.1UF 5 2
A2 K2
6 1
A3 K3
C717
.1UF
C718
.1UF
D723
IMN10
C719 4 3
A1 K1
.1UF 5 2
A2 K2
6 1
A3 K3
DC_LIN_1_875V_D
R721
10K
DIG_CTRL_RSTB
IN
RF_PRESCALAR
IN
Figure 8-34. Frequency Generation Unit Circuit – 1 of 2
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
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
ICAP
NC
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
L728
390NH
C731
.1UF
Y701
1XTV16800VDA
R729
16.8MHZ
22K
1
3
VCONT
OUTPUT
C736
5
NC1 NC .01UF
6
NC2 NC
7
NC3 NC
C732 8
NC
NC4
39PF
Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: VHF (84012320001 / PC000352A01)
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
NC
RXCLK
E8
NC
RXFS
D7
RXACQ
J2
NC
ESC_IN
L3
ESC_CP NC
K1
NC
ESCD2_OUT
K2
ESCD2_OUTX NC
H2
NC
ESC_INX
L9
HP_MOD_OUT
G2
MN_ADAPT_CP
H1 C749 .1UF
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
DC_LIN_5V
R702
0
R745 C750
22K .1UF
C739
4.7PF
1 U746
BFQ67W C752
180PF
R743
47K
R751 C710 C711
270
560PF 56PF
DNP DNP
GPO1
OUT
GPO2
OUT
GPO3
OUT
GPO4
OUT
GPO6
OUT
GPO8
OUT
GPO7
OUT
OUT GPO5
DIG_CTRL_LOCK
DIG_DATA_SPI_MISO
TP701
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
C756 C757
10UF .1UF
R705
1.2K
ANA_CHARGE_PUMP
VCO_VCTRL
C703 C707 C713
.039UF 6800PF .016UF
R701
680
R708
68
ANA_ADAPT_CHARGE_PUMP
C702 C704 C706 C709 C714
.082UF .082UF .082UF .1UF .082UF
C720
1800PF
C721
R722
.22UF 200
R723
2.4K
RF_HP_MOD_OUT
L753
2.2UH
CLK_16_8_MHZ
C754 C712
56PF 270PF
DNP
DC_LIN_2_775V
DC_LIN_1_5V
IO
OUT
IN
IN
IN
OUT
OUT
IN
IN
OUT
OUT
OUT