Figure 9-272.900 Mhz Complete Controller - Motorola HT Series Detailed Service Manual

900 MHz Circuit Board/Schematic Diagrams and Parts List (PCB 8485910Z01)
RED_LED
GREEN_LED
SB1
SB2
SB3
EMER
RTA0
RTA1
RTA2
RTA3
MECH_SWB+
VOL
PTT
LVZIF_SEL
SWB+
DACRx
CSX
MODIN
DATA
CLK
LOCK
UNSWB+
DEMOD
RSSI
16.8MHz
SQ_IN
5V
Vdda
RESET
BATT_CODE
LI_ION
4V_3.3V
INTERFACE
EXT_MIC EXT_MIC
VS_CS VS_CS
SWB+ SWB+
Vddd Vddd
VS_AUDSEL VS_AUDSEL
FLAT_RX_SND
FLAT_RX_SND
RX_AUD_RTN RX_AUD_RTN
TX_AUD_SND TX_AUD_SND
TX_AUD_RTN
TX_AUD_RTN
FLAT_TX_RTN FLAT_TX_RTN
OPT_ENA OPT_ENA
RDY
RDY
URX_SND URX_SND
INT_EXT_Vdd INT_EXT_Vdd
KEYPAD_ROW KEYPAD_ROW
KEYPAD_COL KEYPAD_COL
PTT PTT
KEY_INT
KEY_INT
VS_INT VS_INT
RESET RESET
LEDBL
LEDBL
OFF_BATT_DATA_OUT OFF_BATT_DATA_OUT
VS_GAINSEL VS_GAINSEL
MISO MISO
DATA DATA
R_W R_W
LCD_SEL LCD_SEL
D0
D1
D2
D3
D4
D5
D6
D7
A0
CLK
VS_RAC
TO/FROM RF
RED_LED
GREEN_LED
SB1
SB2
SB3
EMER
RTA0
RTA1
RTA2
RTA3
MECH_SWB+
VOL
PTT
LVZIF_SEL
SWB+
DACRx
CSX
MODIN
DATA
CLK
LOCK
UNSWB+
DEMOD
RSSI
16.8MHz
SQ_IN
5V R403
Vdda
Vdda Vddd
RESET 0
BATT_CODE
LI_ION
4V_3.3V
C432
0.5pF
NP
LVZIF_SEL
VS_CS
LCD_SEL
A0
A1
A2
A3
D0 A4
D1 A5
D2 A6
D3 A7
D4 A8
D5 A9
D6 A10
D7 A11
A12
CLK A13
VS_RAC A14
A15
A16
A17
MEMORY
SQ_IN SQ_IN
4V_3.3V 4V_3.3V
EXT_MIC
Vddd Vddd
EXT_SPKR_SEL
DEMOD DEMOD
ASFIC
DACRX DACRX AUDIO_PA_ENA
VS_AUDSEL VS_AUDSEL FLAT_RX_SND
VS_GAINSEL VS_GAINSEL
UNSWB+
SWB+
RESET
DATA
CLK
CSX
MISO
LVZIF_SEL
VS_CS
LCD_SEL OPT_SEL2
XA18
FLASH_EN
FLASH_OE
BOOT_CTRL
RAM_CS
R_W
Vddd
D0
MICRO P
D1
D2
D3
D4
D5
D6
D7
OFF_BATT_DATA_OUT
A0
A1
A2
A3
A4
MECH_SWB+
A5
A6
A7
A8
A9
A10
KEYPAD_COL
A11
A12
KEYPAD_ROW
A13
A14
A15
A16
A17
AUDIO
INT_MIC
5V
Vdda
AUDIO PA
RDY RDY
OPT_SEL1
SCI_TX
SCI_RX
RSSI
RTA0 RTA0
RTA1 RTA1
RTA2 RTA2
RTA3 RTA3
SB1 SB1
SB2 SB2
SB3 SB3
OFF_BATT_DATA_OUT
LI_ION LI_ION
OPT_ENA
OPT_ENA
MECH_SWB+
VOL VOL
VS_RAC VS_RAC
SH400 SH401
KEYPAD_COL
KEYPAD_ROW
MEMORY SHIELD ON/OFF SHIELD
9-449
Dual Vdd Single Vdd
Regulator Scheme Regulator Scheme
Non Prime Prime Prime
Non Prime
JUMPERS
Model Model Model Model
R401 Y N Y Y
R402 N N Y
N
R403
N N Y Y
R404 N N N Y
R405 Y Y N
N
SH402 SH403
ASFIC/AUDIO PA SHIELD
MICROPIC SHIELD
FL0830713O
Figure 9-272. 900 MHz Complete Controller