Figure 13-21. Audio Power Amplifier And External Audio (Mdc1200 And Qcii) Schematic Diagram - Motorola P100 Series Detailed Service Manual

Circuit Board/Schematic Diagram and Parts List (UHF1: 403–447 MHz)
+3.3V
AUDIO_IN
C620
470P
R131
C1038
10R
47pF
C191
220pF
C100
1uF(1608)
R1001
10K
C112
R1003
10uF/16V
8.2K
RX_AF1
C113
560pF
R623 560R
POP_CON
Q602
Q601
KRC404
KRC404
AUDIO_MUTE_CON
BEEP
C602
0.22uF(K)
C623
47pF
C1026
47pF
C114
220pF
C620
330pF
R1002
9.1K
C615
0.22uF(K)(1608)
R619 33pF
R613
15K R614 390K
U601
4
5
R619
IN-
OUT-
10K
3
6
IN+
VCC
2 7
R609
SVR GND
1K
R622 0R
8
1
MODE
OUT+
TDA8541
C605
R608
R618
4.7uF(2012)
NA
4.7uF/16V(A)
R620
R621
33K
39K
C606
0.1uF

Figure 13-21. Audio Power Amplifier and External Audio (MDC1200 and QCII) Schematic Diagram

SW/VOL1
RY8418
1
2
1
3
2
4
3
5
4
6
5
7
6
8
7
8 9
10
9
11
10
11 12
12
L605 2.2uH(1608)
SPK1
J603
SM3624X1
53047-0210
R615
2R2
C631
C617
C616 47pF
0.1uF(K)
0.1uF(K) 0980683Z01
R616
1
0R L601 2.2uH(1608)
3
2
L602
4
2.2uH(1608)
R610 5
2R2 C621 C622 6
C632
7
330pF 47pF
NA
C609
0.1uF(K)
SWB+
C601
0.1uF
13-33
J601