Motorola EP350

10-5 Circuit Board/Schematic Diagram and Parts List (VHF: 136–174 MHz)
Figure 10-7. Audio Power Amplifier and External Audio Schematic Diagram
AUDIO_IN
A
UDIO_MUTE_CON
POP_CON
Q610
KRC404
Q601
KRC404
R636
560R
R619
10K
R613
15K
R609
1K
R608
NA
R621
39K
R620
33K
C619 33pF
R614 560K
TDA 8541
U601
IN- OUT-
VCCIN+
SVR GND
OUT+MODE
4
3
2
1
8
7
7
6
6
5
5
3
1
2
4
R610
2R2
R615
2R2
C616
0.1uF(K)
C617
0.1uF(K)
J603
53047-0210
SPK1
SM3624X1
J601
0980683Z01
L601
2.2uH(1608)
L602
2.2uH(1608)
R616
0R
C615
0.22uF (K) (1608)
C609
0.1uF(K)
C621
470pF
C622
47pF
+
+
+
-
SWB+
C601
10uF / 16V(A)
C606
0.1uF
C618
4.7uF / 16V(A)
R635 0R
C605
4.7uF (2012)