Figure 8-16. Vocon: Miscellaneous Circuits - Motorola ASTRO XTSTM 4000 Detailed Service Manual

Schematics, Board Overlays, and Parts Lists – VHF: VOCON Section
UNSW_B+
R1209
RES
0
C1142
2.2uF
5V Misc. Regulator
VSW1
R733
100K
R731
VIBRATE_CONT
0
R1704
100K
Haptic Device Supply Driver
6871620L01-C
D4
MBRM140T3
5V_Misc
U1101
LP2989
LP2989IMMX-5.0
4 5
INPUT OUTPUT
8 7
SHUTDOWN ERROR
6
SENSE
R1133
1 2
100K
BYPASS NC
C1141
10uF
C1140
.01uF
V_VIBE
R735
0
Q9950
U9905
R9931
39K
AJACKin
C9956
R9930
VR1209
1.0uF
510
6.8V
R9933
100K
V5A
Audio Jack Single-Ended Audio Gain Stage
R1126
NU
R10000
33
SPK+
1 1
SPK_COM
R10001
33
R1127
NU
CE_SPKRCOM
CE_SPKR+
C9975
R9932
4.7uF
1K
V5A
C9968
0.10uF
U9904
LMV712LDX
10 5
VPOS SDA
4 6
VNEG SDB
2 1
INNEGA OUTA
3
INPOSA
8 9
INNEGB OUTB
7
INPOSB
R9934
10K
VCC5 V5A
C1211 R9997
NU 0
R9996
U20
NLAS4684
NU
4 2
AJACKin
IN1 NO1
8 10
IN2 NO2
5
3
COM1 NC1
EAR+
7
9
COM2 NC2
EAR-
C1216
1000pF
Audio Switch

Figure 8-16. VOCON: Miscellaneous Circuits

8-17
AUD_JACK_SPK_out
V5A
May 28, 2008