User's Manual

68P81093C75-A 11-7
Figure 19. PDR 3500 Schematic—Part II (Sheet 2 of 2)
MBRS330T3
SCHOTTKY
DNP
VR33
VR24
47
M4
J2
M15
J8
17
5
J2
14
VR43
J5
14
J5
36
J2
38
J9
56
J2
48
J5
48
J7
M7
J7
35
J2
11
M2
VR36
M25
J2
69
J5
69
J9
52
J8
15
J7
63
J8
64
U3
4
11
J2
75
J7
75
19
J8
62
J20
6
J8
50
J20
3
J8
17
J8
68
M22
J2
17
J5
0
1500pF
C11
20K
R87
9.6V
4.7UH
L14
R86
A+
9.6V
C105
470pF
VR23
VR20
U4
14
7
M5
VR38
VR30
VR39
SW+5
VR31
J2
44
C9
470pF
BOOST
6
4
GND
5
IN
7
SENSE
2
SHDN*
8
TAB VC
1
3
VSW
J5
45
U6
LT1374
0.27uF
C10
VR1
0
R57
MC74HC32A
U9
4
5
6
J22
4
C33
470pF
C4
10uF
C32
0.1uF
42
J5
42
J5
12
J2
13
J5
13
J2
J8
69
L1
4.7UH
A+
470pF
C13
D1
32
J8
59
M12
56
J5
44
J7
34
J2
45
J7
33
J8
J5
46
J7
J5
38
J7
26
J9
53
VR19
J2
77
J7
77
J8
21
M14
J7
78
IN
1
OUT
4
SHDN*
6
TAB
M21
M11
U7
LT1129C0
2
ADJ
3
GND
5
VR10
VR11
J6
8
54
J6
2
U9
MC74HC32A
12
13
11
J5
53
J2
J7
42
U9
MC74HC32A
9
10
8
C6
55
J8
49
10uF
40
J5
40
J7
28
J9
J2
67
J5
47
70
J8
51
J20
5
J8
J5
66
J7
56
J9
J8
61
J6
48
J2
16
J20
2
J2
15
J2
46
43
J7
31
J2
41
J7
30
J5
M6
J8
52
J7
59
J8
20
M8
J8
16
J2
78
J5
51
J6
7
J9
61
J7
50
J9
67
J6
1
J7
41
J5
54
J8
23
J8
54
J8
22
M24
39
J6
35
J6
52
J5
6
J2
7
J6
15
J5
16
J2
6
65
J7
55
J5
29
J2
65
J5
J8
63
M10
J5
41
J7
8
J2
43
M23
60
J5
60
J20
J2
62
J5
62
J7
47
J2
77
J9
J5
8
J2
9
J5
9
62
J5
7
J2
8
52
J7
40
J9
J7
39
J2
52
J5
60
J2
51
J2
5
J7
38
J9
J7
37
J9
58
J20
1
57
J5
49
J9
76
J2
10
J5
10
M1
25
J2
12
J2
76
J7
J5
11
J8
74
J7
J8
53
J20
4
24
J8
J9
54
J8
60
J2
39
J5
39
J7
27
J5
50
J2
50
J2
49
J9
16
J9
17
J7
60
J9
78
J9
15
M13
M3
J20
7
J2
74
56
J5
58
J7
45
J2
J7
46
0.1uF
C31
470pF
U5
14
7
C30
25
C27
470pF
J5
37
J7
J8
57
J2
53
J7
48
R7
10.5K
16.2K
R8
1%
9.6V
470pF
C74
1%
C26
0.1uF
9.6V
C8
LN+5
330UF
44
J5
56
J7
J2
58
J7
43
J9
59
J2
37
J9
65
470pF
C29
0.1uF
C28
MC78M05ACDT
U14
1
2
3
A+ LN+5
330UF
C51
330UF
C49
C50
330UF
C48
330UF
J21
4
C12
330UF
LN+5
LN+5
J22
2
4
11
U20
MC33074
9
10
8
U20
VR27
VR21
VR29
VR25
VR28
VR26
18
470pF
C3
VR9
J9
VR8
C104
0.1uF
VR34
VR12
VR13
J21
2
J21
1
J21
3
J22
1
VR15
9
10
8
U22
MC33074
13
12
14
470pF
C112
MC33074
U22
VR16
VR14
C5
470pF
C7
470pF
VR17
VR18
J22
3
VR32
0
VR22
R56
C77
100p
F
VR42
9.6V
VR40
VR41
LN+5
U22
POWER
POWER
POWER POWER
POWER
POWER
POWER
POWER
4
11
C76
470pF
14
7
C75
0.1uF
U16
7
J21
8
J22
7
J21
6
J21
0.1uF
C111
14
7
0.1uF
C73
U9
VR37
U15
4
11
RESET_SWITCH
DATARX-GCC
AGC1
CCI-MONITOR
DATATX-GCC
DATAPTT-GCC
LINE1+
LINE1-
LINE2+
MONDET-GCC
TSTAT-RXCAIE
TXDATA+_TXAIO
AUXCARRIER
RXMUTE-GCC
RXPLDET
SBI1
SEIZERELSEGC
SPARE#1
SPARE#2
SPARE#3
SPARE#4
SPARE#5
SPARE#6
SPICLK
SPIGRANT
SPIMISO
SPIMOSI
TDMCLOCK
TDMDATA
TDMFRAMESYNC
TX16.8MHZREF
TXD1
TXDATA-
TXPLINHITGCC
TXWIDEBANDAIO
VCOAUDIO
VCONTROL
XMITSPIREQ
DCD1
EXTSPARE#1
EXTSPARE#10
EXTSPARE#11
EXTSPARE#12
EXTSPARE#2
EXTSPARE#3
EXTSPARE#4
EXTSPARE#5
EXTSPARE#6
EXTSPARE#7
EXTSPARE#8
EXTSPARE#9
HDLCBUSY
HDLCCLK
HDLCDATA
HST_REQ
LINE2-
LINEPTTDTGCC
MUTE-PLSTRIP
ODC1
PTT
REFAUDIO
RESET
RINGINDICATOR
RSSI-GCC
RSTAT-PAHINH
RTS1
RX16.8MHZREF
RXAUDIO
RXD1
ASYNC+
A0-CS1
A1-CS2
A2
A3
A4
A5
ASYNC-
EXTPTT+
EXTPTT-
RDSTAT-
RDSTAT+
CTS1
DATA*1
DATA1
4
2
1