Electrical Diagrams - Motorola StarTAC 160 Service Manual

Electrical Diagrams

Figure 7: Audio/Logic Block Diagram
Call Processor 68338
Pollux
(DCA)
CPU 32
QSM
QSPI RTC
RAM
VRTC
Bi-color LED
PNP BATT_FDBK
Pass
B+
Smart
VRef
Battery
(3.6V Lithium)
Ext._B+
AUX_THERM
Auxillary
Battery
Ear Piece
(3.6V Lithium)
Alert
MIC
Boom MIC
Figure 8:
L500
RWW Flash
L275
8M (512kX16)
48 CSP
SIM
ROM_CS(2)
ROM_CS
BIC_CS
R/W
DP_EN
Smart
RS232_EN
Buttons
DP_ON_OFF
KEYPAD (11)
BIC_IRQ
Port
MF_IRQ
E/F
SIM_INT
WDOG_CP
13_DCLK
AUD_EN1
AUD_EN2
CTM6
BL_CNTL
CHRGR_EN
Timer
*RESET
B+
Silent
Ringer
TX_EN
BAT+_SENSE
BATT_SENSE
Osc R475 B+
Logic
Boost
+5.4V
Regulator
Bias, Ref
R475
Circuitry
Charger
Control
L500
L275
R275
GCAP
48TQFP
L275
SRAM
1M (512kX16)
48 CSP
BIC_CS
R/W
Addr. (20)/Data (16) buses
L500
ON/OFF_SENSE
Display/Keypad
Assembly
PWR_SNS
-5V REG
LOC
*RESET
217 Hz
SMOC CONTROL (10)
RF CONTROL (5)
TXKEY
RXACQ
MDM INT
*RESET
AUX+ EXT_B+ BATT+
RF_CS
MDM_WR
MDM_RD
AUX_BATT
B+ *DM_CS
Circuit
B+
AUX MIC
AUX AUD
EXT_AUD
L275
DSC_EN
BIC 4.1
Mode1 L275
(64 TQFP)
B Comp
DWNLNK
RxDn DSC bus
UPLNK
RxDp
drive
L275
TxD
SIM_RST
SIM_DATA_OUT
SIM_DATA_IN
SIM_CLK
SIM_PD
SIM_VCC
13_DCLK
SIM
13 MHz
card
reader
13_DCLK
SMOC
100TQFP
MISO
MOSI
SCK
VAG
MIC
SPKR
L275
Buffer
RS232_RX
RS232_TX
DSC_EN_B
UPLINK
DWNLINK
Audio_IN
Buffer
MAN_TEST
EXT_B+
BATT_FDBK
Audio_OUT/On_Off
EXT Conn
1.3 MHz_REF
To RF Section
1.3 MHz_REF
Rxl
Txl
TxQ
RxQ
RF_SPI
RF_SCK
AFC
AGC
IQRef
Step_AGC
AOC_Out
AOC In
Sat_Det
Det_Sw