Motorola MCS 2000 Service Instructions Manual page 195

10-47
PA_TEMP_2 PA_TEMP_7
PA_TEMP_2 PA_TEMP_7
IF0200 IF0201
C0550
100pF
PA_CNTL_2 PA_CNTL_7
PA_CNTL_2 PA_CNTL_7
IF0202 IF0203
C0564
100pF
CURRENT_SENSE_-_2 CURRENT_SENSE_-_7
CURRENT_SENSE_-_2 CURRENT_SENSE_-_7
IF0204 IF0205
C0558
100pF
CURRENT_SENSE_+_2 CURRENT_SENSE_+_7
CURRENT_SENSE_+_2 CURRENT_SENSE_+_7
IF0206 IF0207
C0556
100pF
A+
A+_7_4_16
A+_7_4_16
IF0208
Audio_Supply
A+_7_4_24
A+_7_4_24
IF0209
A+_CONT_2_3
A+_CONT_2_3
R0432
IF0210 A+_CONT
0
A+_CONT_2_2 A+_CONT_7
A+_CONT_2_2
IF0211 IF0212
C0408
470pF
V_FORWARD_2 V_FORWARD_7
V_FORWARD_2 V_FORWARD_7
IF0213 IF0214
C0561
100pF
VDRIVE_2 VDRIVE_7
VDRIVE_2 VDRIVE_7
IF0215 IF0216
C0565
100pF
K9.1V_2 K9.1V_7
K9.1V_7
K9.1V_2
IF0217 IF0218
C0575
100pF
Figure 10-33. Controller, Audio Power Amplifier and Voltage Regulators, VHF/UHF Low and Mid Power Schematic Diagram
December 6, 2004
A+_CONT
R0004
2.2K
VR0001
5.1V
+5V
R0202
10K
AUPA_EN
R0239
AUPA_EN
10K
IF0221
RX_AUDIO
*R0234*
RX_AUDIO
IF0224 4.7K
C0999
3300pF
SW_B+ A+_CONT
SW_B+_29
R0514
Q0511
SW_B+_29
IF0225 150K
A+_CONT_7
VR0511
14V
R0526
10K
R0525
4.7K
Q0519
47K
47K
Q0517
A+
R0406
10K
B+_IGNITION
B+_IGNITION
IF0227
UNSW_5V
UNSW_5V
IF0219
CR0001
CL_UNSW_5V
CL_UNSW_5V
IF0220
C0026 C0027
470pF 47uF
Audio_Supply
SW_B+
U0203
TDA1519C
SPKR+
SW_B+_27
9 4
R0236 INV OUT1
SPKR+
1
22K NINV
IF0222
3
RR
8 6
SPKR-
M_SS OUT2
SPKR-
IF0223 Audio_Supply
Q0200
C0237
C0244
3.3uF
C0241
0.1uF
0.1uF
SIGNAL_CONVERT
C0240 APA_TEMP
R0529
APA_TEMP
IF0242
.033uF 0
C0242
R0235 3300pF
1K
B+_ON_OFF
IF0226
A+
R0521
22K
R0522 R0519
22K 22K
IGNITION_CLEAR
47K 47K 47K
IF0228
47K 47K 47K
Q0518
Q0514
Q0513
47K 47K
47K
47K
Q0515
Q0516
A+_CONT
*U0501*
LM2941T
C0505 C0506
0.1uF 10uF 4 5
VIN VOUT
R0500
10K 2 1
ON_OFF ADJ
SW_B+
SW_B+_27
R0501
Q0500
IF0229 22K
R0502 C0507
6.8K 100pF
SC0203
1 2
I1 I2
+5V
SW_B+
*U0500*
LM2925
CR0500
1 2
IN OUT
5 4
RESET DELAY
C0500 C0501
B+_ON_OFF
0.1uF 10uF
C0502
.01uF
3
+5V
R0022
4.7K
PWR_RST
PWR_RST
IF0235
GND_2
GND_2
IF0236
IGNITION_CLEAR
ANA_GND
ANA_GND
IF0238
VFWD_BUF
*R0554*
VFWD_BUF
IF0239
22K
CR0600
TEMP_GND
TEMP_GND
IF0241
Chapter 10: Digrams and Parts Lists:
9.3
9.3_7_2_30
9.3_7_2_30
IF0230
9.3_7_2_26
9.3_7_2_26
IF0231
C0509
R0503 C0508
0.1uF
7.5K 33uF
R0504
1.2K
SC0200
SIGNAL_CONVERT
Vdd
1 2
I1 I2 Vdd
IF0232
SC0201
SIGNAL_CONVERT
Vaud
1 2
I1 I2 Vaud
IF0233
+5v
+5v
IF0234
C0503 C0504
47uF 0.1uF
GND_7
GND_7
IF0237
VSUM
VSUM
IF0240
MAEPF-28110-O
68P81083C20-D