Figure 10-8. Switches And Battery Schematic Diagram - Motorola EP350 Service Manual

Circuit Board/Schematic Diagram and Parts List (VHF: 136–174 MHz)
RX_AF2
+3.3V
B_S2
B_S1
A_S2
A_S3
SWB+
BAT+
RX_AUDIO
BEEP
LED(GREEN)
LED(RED)
J602
BAT+
GND
060031MA005G500PL
C460 C461
0.1uF 470pF
BAT +
SW / VOL1
RY8418
A
1
2
3
1
1 2
2 3
3 4
4 5
5 6
6 7
8
7
8 9
9 10
10 11
11 12
12
C
B
Q501
E
Q502
KRC404
KRC404
L413
R418
220K(0.5%)
R423
C433
R417 3.9M
R419 NA
2 -
RLC63 0R1
1
220K(0.5%)
R424
3 +
U401-A
KIA358
C432
C464
R420
0.1uF R422
0.1uF
R421
4.7M
68K(0.5%)
68K(0.5%)
SWB+
U505
TK11250AMTL
+ 6 1
C501 VIN C
470pF 5 2
C502
22uF/16V(B)
4 VOUT 3
C503
0.1uF
C B
4 7
5 8
+
6 9
C506 C507
SW1
470pF 22uF/16V(B)
RY8487
SWB+
R502
220R
Q405
KTC4075
R414 4.7K
APC(U401_PIN7)
C411 R411
NA 3.3K
SWB +
RX_AUDIO
C615
0.22uF(K)(1608)
R613
15K
R619
R636
10K
560R
R609
1K
R635 0R
R608
C605
NA
4.7uF(2012)
Q601
Q610
KRC404
KRC404
R621
39K
SWB +
U506
TK11233AMTL
6 1
VIN C
5 2
4
VOUT 3
C541
0.1uF +
C508
10uF/16V(A)
1/2 VCC
R524
47K(1%)
13
-
14
12
+
NJM324
+
C531
U502-D
R523 C533
0.1uF
30K(1%) 0.1uF
C545
22uF/10V(A)
U507
TC1240
1 6 +10V
VIN C+
2 5
VOUT +10V
GND
R716,717
3 4
SHDN
C- C512
+
470pF
C511
C510
22uF/16V(B)
4.7uF(2012)
R412 R413
3.9K 8.2K C406
0.1uF
Q404
STB1188
DRIVE_CON
C415
20K
C619 33pF
R614 560K
U601
4 5
IN- OUT- AF_OUT1
3 6
IN+
VCC
2 7
GND
SVR
1
8
MODE OUT+ AF_OUT2
+
TDA8541
C618
4.7uF/16V(A)
R620
33K
+
C606 C601
0.1uF 10uF/16V(A)
+3.3V
C509
470pF

Figure 10-8. Switches and Battery Schematic Diagram

10-6
+5V
+5V
R734
+5V
U501_pin4
+5V
Q705,706
+5V
Q304
+5V
Q407
+5V
R171-173
+5V
U105_pin4
+5V
U502_pin4
+3.3V
U107_pin1
+3.3V
U106_pin4
+3.3V
R131
+3.3V
R150
+3.3V
U103_pin11,20
+3.3V
U104_pin8
+3.3V
J102_pin16
+3.3V
U101_pin14,96,97
+3.3V
U104_pin1
+3.3V
Q711
+3.3V
R719,722
+3.3V
R507
+3.3V
U508_pin1
+3.3V
R537