Figure 8-82. Hln5977A/ Hln5978B Audio Circuit - Motorola APX 5000 Service Manual

8-158
VCC_2.775
C2123
U2104
0.1UF
STLM20
2 1 1 TP2102
NC NC VOUT
TEST_POINT
VCC_1.85
R2101
100K
AUD_PA_SHUTDOWN
IN
C2103
0.1UF
AUD_PA_IN_N
IN
C2
C1
A1
C2102
0.1UF
AUD_PA_IN_P
IN
VSW_5.4
C2101
C2104
100PF
10UF
L2101
10UH
U2101
TPA2034D1
A3
SHUTDOWN
VO_NEG
C2118
C3
IN_NEG
VO_POS
IN_POS
L2102
10UH
C2119
A
Schematics, Boards Overlays, and Parts Lists: Expansion Board
L2103
20NH
AUD_INT_SPKR_FILT_P_1
C2121
.47UF
R2123
1UF
C2120 20
.33UF
A
A
L2104
20NH
AUD_INT_SPKR_FILT_N_1
1UF
C2122
.47UF
A
R2124
20
A

Figure 8-82. HLN5977A/ HLN5978B Audio Circuit

AUD_INT_SPKR_FILT_P
OUT
AUD_INT_SPKR_FILT_N
OUT