Motorola MCS 2000 Service Instructions Manual page 182

Chapter 10: Digrams and Parts Lists
PA_TEMP_2
PA_CNTL_2
CURRENT_SENSE_-_2
CURRENT_SENSE_+_2
CURRENT_SENSE_+_2
A+_CONT_2_3
A+_CONT_2_2
V_FORWARD_2
VDRIVE_2
K9.1V_2
GND_2
ANA_GND
Figure 10-20. VHF Controller Hierarchy Diagram
68P81083C20-D
REGULATOR AND AUDIO PA
PA_TEMP_7
PA_CNTL_7
CURRENT_SENSE_-_7
CURRENT_SENSE_+_7
A+_CONT_7
V_FORWARD_7
VDRIVE_7
K9.1V_7
VFWD_BUF
VSUM
TEMP_GND
PA_TEMP_2
PA_CNTL_2 SPKR-
CURRENT_SENSE_-_2 SPKR+
RX_AUDIO
A+_CONT_2_3 Vaud
A+_CONT_2_2 APA_TEMP
V_FORWARD_2 AUPA_EN
VDRIVE_2 B+_ON_OFF
K9.1V_2 PWR_RST
IGNITION_CLEAR
GND_2
ANA_GND A+_7_4_16
A+_7_4_24
SW_B+_29
SW_B+_27
B+_IGNITION
9.3_7_2_26
9.3_7_2_30
+5v
Vdd
UNSW_5V
CL_UNSW_5V
GND_7
ANALOG_ AND_ DIGITAL_ CONTROL
PA_TEMP
PA_CNTRL
CURRENT_SENSE-
CURRENT_SENSE+
A+_CONT
VFORWARD
VDRIVE
K9.1V
VFWD_BUF PA_CNTL_LIM
VSUM RX_CNTL
TEMP_GND SPI_TX_DATA
SPK- CLK
SPK+ DUPLEX_SYN_SEL
RX_AUDIO SYN_SEL
VAUD ZIF_SEL
ROSC_SEL
AUDPA_EN RSSI
B+_ON_OFF 2.1MHZ
PWR_RST DUPLEX_LOCK_DET
IGNITION_CLEAR LOCK_DET
AUDIO_MOD
A+_7_3_16 SQUELCH
A+_7_2_24 DISC
SW_B+_29
SW_B+_27 9.3V_1
B+_IGNITION
9.3V_26
9.3V_30
+5V
Vdd
UNSW_5V
CL_UNSW_5V
GND_7_1_17
10-34
PA_CNTL_LIM_1
RX_CNTL_1
SPI_TX_DATA_1
CLK_1
DUPLEX_SYN_SEL_1
SYN_SEL_1
ZIF_SEL_1
ROSC_SEL_1
RSSI_1
2.1MHZ_1
DUPLEX_LOCK_DET_1
LOCK_DET_1
AUDIO_MOD_1
SQUELCH_1
DISC_1
9.3V_1
DEPC-97190-O/None
VHF Controller Hierarchy Diagram
December 6, 2004