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UHF2 Schematics, Board Overlays, and Parts Lists
9.3-3
6816985H01-B
August 16, 2007
Figure 9.3-2. PMLE4427A Controls
10K
100pF
C530
R515
6.8V
VR503
R512
47K
6.8V
VR500
VR509
A2
3
B1 2
B2 4
5.6V
S505
SWITCH
A1
1
R508
100
C508
.01uF
R517
10K
R505
10K
R523
47K
C550
.01uF
C501
470pF
VR501
10V
R513
10K
C524
10uF
R503
390
100
R507
.01uF
C507
2.2uH
L501
NEG
POS
C503
470pF
B500
DATA
10K
R518
6.8V
VR506
5.6V
1 A1
3 A2
2
B1
4
B2
VR513
SWITCH
S504
C502
470pF
D500
SWITCH
2
4
1
TAB1
3
2
B
A
T
5
3
B
A
T
6
4
B
A
T
7
TAB5
S502
4085358D02
100
R510
10K
R514
C2
C3
C3
S1
1
S2
2
S4
4
S8
8
SWITCH
S500
A
A
B
B
C1
1
C
C2
47K
R522
VR505
6.8V
.01uF
C509
D501
LNJ115W8P0MT
1
4
D
E
R
2
N
R
G
3
L500
390nH
10K
R526
VR508
5.6V
5.6V
VR512
C505
6.8V
VR504
0.47uF
U302
.01uF
2
B2 4
U304
6.8V
S503
SWITCH
A1
1
A2
3
B1
C520
470pF
R504
510
C500
470pF
6.8V
VR502
F500
24V
3A
VR510
5.6V
10K
R516
R519
47K
470pF
1
2
5
3
4
C504
Q501
10K
R525
5.6V
VR511
SWITCH
S506
1 A1
3 A2
2
B1
4
B2
100
K
0
1
R509
HIGH 3
6
1
B
A
T
7
2
B
A
T
2
1
1
5
R
S501
SWITCH
4
1
LOW
5
RTA2
RTA1
RTA0
SB1
SB2
SB3
TG2_SEC_CLEAR
RAW_B+
EMERGENCY
GREEN_LED
_1
BATT_CODE
VOL
MECH_SW
ABACUS_3V
PTT
RED_LED
SW_B+
RTA3
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: ......