
900MHz Schematics, Board Overlays, and Parts Lists
9.5-15
6816985H01-B
August 16, 2007
Figure 9.5-14. Receiver Schematic - Sheet 2 of 2
NOT PLACED ON BOARD LAYOUT
DNP
TAB1
1
2
B
A
T
3
3
B
A
T
5
4
B
A
T
6
TAB5
7
X
SWITCH
S502
2
4
DIG_3V
BT2
39pF
IF509
C501
6.8V
NU
1
2
IF501
VR506
6.8V
IF508
R530
10K
47K
R545
R534
10K
IF507
IF516
R511
10K
R504
510
IF512
VR594
5.6V
IF503
R532
10K
4
LOW
1
5
HIGH 3
6
1
B
A
T
7
2
B
A
T
2
D
E
R
2
N
R
G
3
SWITCH
S501
.01uF
D501
LNJ115W8P0MT
.01uF
C550
IF502
DIG_3V
R507
100
39pF
C502
R535
10K
C593
10uF
.01uF
C553
.01uF
R503
390
IF510
R531
10K
6.8V
1
2
DIG_3V
6.8V
VR503
39pF
C503
2
VR593
5.6V
NU
6.8V
6.8V
VR507
1
BT1
X
47K
IF513
R546
5.6V
VR595
VR596
Q501
1
2
5
3
4
5.6V
10uF
DIG_3V
.01uF
C591
IF504
.01uF
C509
39pF
C520
C505
0.47uF
R510
100
IF511
DIG_3V
VR592
5.6V
6.8V
VR502
1
2
DIG_3V
A2
2 B1
4 B2
NU
6.8V
SWITCH
S506
SWITCH
1
A1
3
10uF
C590
DIG_3V
R505
6.8K
C592
10uF
47K
R547
C2
C2
C3
C3
S1
1
S2
2
S4
4
S8
8
SWITCH
S500
A
A
B
B
C1
1
C
39pF
C500
IF505
47K
IF506
1 A1
3 A2
2
B1
4
B2
R512
SWITCH
S504
SWITCH
DIG_3V
R533
10K
VR591
5.6V
DIG_3V
RTA0
RTA3
SB1
DIG_3V
RTA1
RTA2
TG2_SEC_CLEAR
VOLUME
MECH_SW
EMERGENCY
PTT
SW_B+
GREEN_LED
RED_LED
Summary of Contents for ASTRO MT 1500
Page 4: ...iv Table of Contents August 16 2007 6816985H01 B Notes ...
Page 164: ...August 16 2007 6816985H01 B 5 6 Troubleshooting Procedures Operational Error Codes Notes ...
Page 188: ...August 16 2007 6816985H01 B 6 1 24 VHF Troubleshooting Charts Secure Hardware Failure Notes ...
Page 212: ...August 16 2007 6816985H01 B 6 2 24 UHF1 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 236: ...August 16 2007 6816985H01 B 6 3 24 UHF2 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 710: ...9 2 40 UHF1 Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Page 806: ...9 5 32 900MHz Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Page 816: ...Index 4 August 16 2007 6816985H01 B Notes ...
Page 817: ......