Schematics, Board Overlays, and Parts Lists – VHF
: VOCON Section
8-17
6871620L01-C
May 28, 2008
Figure 8-16. VOCON: Miscellaneous Circuits
5V_Misc
C1141
10uF
100K
R1133
R1209
RES
0
2.2uF
C1142
C1140
.01uF
1
ERROR
7
3
D
N
G
INPUT
4
NC
2
OUTPUT
5
SENSE
6
SHUTDOWN
8
U1101
LP2989
LP2989IMMX-5.0
BYPASS
MBRM140T3
D4
VR1209
6.8V
V5A
3
INPOSA
7
INPOSB
1
OUTA
9
OUTB
5
SDA
6
SDB
VNEG
4
10
VPOS
LMV712LDX
U9904
1
G
D
N
G
T
C
2
INNEGA
8
INNEGB
C9975
4.7uF
C9968
0.10uF
R9930
V5A
AJACKin
AUD_JACK_SPK_out
1.0uF
C9956
510
R9931
V5A
1K
R9932
39K
100K
10K
R9933
R9934
5V Misc. Regulator
Audio Jack Single-Ended Audio Gain Stage
Q9950
R1704
VIBRATE_CONT
V_VIBE
100K
R731
0
R735
2
5
6
3
1
4
0
U9905
R733
VSW1
100K
NU
NU
NU
NU
CE_SPKRCOM
-
R
K
P
S
_
T
X
E
1000pF
C1216
W
S
_
OI
D
U
A
+
R
K
P
S
_
T
X
E
SPK+
1
SPK_COM
1
NC2
2
NO1
NO2
10
C
C
V
1
VCC5
EAR+
EAR-
COM1
3
9
COM2
D
N
G
6
IN1
4
IN2
8
NC1
5
7
U20
NLAS4684
C1211
V5A
0
R9996
R9997
R1127
33
AJACKin
R1126
R10000
R10001
33
Haptic Device Supply Driver
Audio Switch
Summary of Contents for ASTRO XTSTM 4000
Page 1: ...COLOR CHORDS 7 ASTRO XTSTM 4000 Portable Radio Detailed Service Manual ...
Page 2: ......
Page 16: ...May 28 2008 6871620L01 C xiv Commercial Warranty Notes ...
Page 22: ...May 28 2008 6871620L01 C 1 6 Introduction Notes ...
Page 26: ...May 28 2008 6871620L01 C 2 4 Radio Power Notes ...
Page 56: ...May 28 2008 6871620L01 C 3 30 Theory of Operation Notes ...
Page 100: ...May 28 2008 6871620L01 C 6 8 Troubleshooting Waveforms Notes ...
Page 194: ...May 28 2008 6871620L01 C B 2 Motorola Service Centers Notes ...
Page 204: ...May 28 2008 6871620L01 C Glossary 10 Glossary Notes ...
Page 209: ......