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VHF Schematics, Board Overlays, and Parts Lists
9.1-25
6816985H01-B
August 16, 2007
Figure 9.1-24. PMLD4303A RF Controls Schematic
2
4
TAB1
1
2
B
A
T
3
3
B
A
T
5
4
B
A
T
6
TAB5
7
5.6V
SWITCH
S502
R523
VR511
R505
47K
1
A2
3
B1 2
B2 4
10K
SWITCH
S505
A1
VR512
5.6V
0.47uF
VR514
C505
C500
6.8V
910pF
VR502
6.8V
470pF
C504
B500
DATA
NEG
POS
10K
R513
3
B1 2
B2 4
S503
SWITCH
A1
1
A2
C519
330pF
6.8V
VR505
10K
R515
SWITCH
A1
1
A2
3
B1 2
B2 4
100
S504
6.8V
R508
VR509
5.6V
VR500
510
R504
47K
R512
.01uF
C508
R507
100
SWITCH
A1 1
A2 3
B1
2
B2
4
10K
S506
100
R516
10K
R517
R510
R514
10K
4
S4
8
S8
5.6V
VR513
A
A
B
B
1
C
C1
C2
C2
C3
C3
1
S1
2
S2
S500
SWITCH
6.8V
5.6V
VR510
VR503
VR506
6.8V
470pF
C520
VR504
6.8V
C525
Q501
1000pF
D500
D
E
R
N
R
G
R522
47K
C502
LNJ115W8P0MT
D501
C551
910pF
.01uF
33uF
C524
R518
10K
910pF
C503
VR508
47K
R519
5.6V
K
0
1
1
1
5
R
.01uF
C550
2.2uH
L501
R526
10K
3A
24V
F500
R525
10K
390
R503
R509
100
C507
.01uF
2
10V
VR501
SWITCH
S501
4
LOW
1
5
3
HIGH
1
B
A
T
6
2
B
A
T
7
.01uF
C509
L500
390nH
910pF
C501
RTA3
RTA2
RTA1
RTA0
SB1
SB2
SB3
TG2_SEC_CLEAR
EMERGENCY
RAW_B+
GREEN_LED
_1
BATT_CODE
VOL
MECH_SW
ABACUS_3V
PTT
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: ......