Schematic - Motorola HT-1000 Service Manual

C706
470pF
SW_B + Vdd
C700 C701
470pF 470pF
C708
470pF
J701
SW_B+
1
GND1
2
BL_CNTL
3
INT_SPKR
4
RESET
5
SPKRCOM
6
INT_MIC
7
GND2
8
KEY_INT
9
OPT_SEL1
10
Vdd
11
EXT_SPKR
12
DATA_LATCH
13
EXTMIC
14
SPICLK
15
OPT_B+/BOOT_SEL
16
MOSI
17
OPT_SEL2
18
LCD_SEL
19
MISO
20
AUX_TX
21
BUSY
22
Vpp/CTS
23
SCI_RX/OPT_TXDATA
24
MODE_CNTL
25
LH_DATA
26
VR703
C739 C702
C745 6.8V
33pF 470pF
33pF
VR721 VR723
2 1 6.2V
2 1 6.2V
C738
C799
33pF 470pF
3
3
MECH_SWB+ UNSW_B+ Vdd
INT_PTT
BUTT3
BUTT2
GND1
BUTT1
Vdd
SW3POS
UNSW_B
VOL_SENSE
MECH_SWB+
CONC_SEN
RTA3
RTA1
RTA2
RTA0
RED_LED_DRV
GRN_LED_DRV
EMERGENCY
C747
C751 C754 C757 C760
470pF
470pF 470pF 470pF 470pF
C749 C750
C746
C752 C761
470pF 470pF 470pF
470pF
470pF
Vdd
R713
22K
R803
2K
R709 470
L701 2.2uH
L702 270nH
R708 2K
R762 2K
L703 270nH
R760 150
VR709
C741 5.6V C736
470pF 470pF C774
470pF
VR720
6.2V
C740 C737
470pF 470pF
Vdd
R721 R724 R728 R729
47K 47K 47K 47K
RED_LED_DRV
GRN_LED_DRV
SW_B +
C753 C759
C756
R722
470pF 470pF 470pF
47K
4
VR722
R730 R731
6.2V C758 C755
470pF 150 150
0.1uF
3
Power Section
PWR_RST
OPT_B+/BOOT_SEL
INT_SPKR B+CNTL
SPKRCOM
EXT_SPKR
EXT_SPKR_SEL
RX_AUDIO AUPA_EN
RX_AUDIO
EXT_SPKR_SEL
PWR_RST
INT_MIC
VCO_MOD
Analog Section
SCK
MOSI
UNIV_IO DISC
RSSI
EXT_MIC SQIN
2.1_MHz
LG_DTMF
VOX SQ_DET
CHACT PL_RX
RX_DATA PL_TX
UPCLK TX_DATA
MDC_REF
ASFIC_SEL
ASCFIC_SEL
MDC_REF
UPCLK TX_DATA
RXDATA PL_TX
CHACT PL_RX
VOX SQ_DET
LG_DTMF
Digital Section
BL_CNTL
KEY_INT AUPA_EN
OPT_SEL1 B+_CNTL
DATA_LATCH OPT_B+|BOOT_SEL
OPT_SEL2 PWR_RST
LCD_SEL
LH_BUSY/KID
Vpp
SCI_RX/TDX_OUT MISO
MODECNTL
LH_DATA
INT_PTT
BUTT3
BUTT2 LOCK_DET
ROSC_SEL
BUTT1 MOSI
DA_SEL
SW3POS
VOL_SENSE
RSSI
CONC_SEN
RTA3
RTA1 ZIF_SEL
RTA2 SCK
RTA0
RED_LED SYN_SEL
GRN_LED
EMERGENCY
2 1 5
U704
6
NTN7512D/E, NTN7513E, NTN7857D/E AND NTN7858D/E
106
CONTROLLER BOARD TOP-LEVEL SCHEMATIC
SW_B+ UNSW_B +
UNSW B+1
1
SW_B +
2
VCO_MOD
3
LOCK_DET
4
ROSC_SEL
5
L705 MOSI
6
DA_SEL
7
GND
8
GND3
TO
9
DISC
10 RF
RSSI
11 BOARD
SQ OUT
12 J301
C791 470pF
2.1 MHz
13
ZIF_SEL
14
R805 470
SCK
15
GND2
16
SYN_SEL
17
GND1
18
GND0
19
UNSW B+2
20
P704 P301
C780 C787
C784
470pF 33pF
470pF JUMPER
FLEX
C789 C788
C783
470pF 470pF
470pF
63B81097C19-O