Text preview for : B51-8667-00-SDP2.pdf part of Kenwood B51-8667-00-SDP2 Kenwood HF 50 MHz All Mode Transceiver HF 50 MHz All Mode Transceiver Kenwood TS-480HX & 480SAT B51-8667-00-SDP2.pdf
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A B C D E
TS-480HX/480SAT
DISPLAY UNIT (X54-3410-00)(A/3)
SCHEMATIC DIAGRAM
1
BS32
BS31
BS30
BS29
BS28
BS27
BS26
BS25
BS24
BS23
BS22
BS21
BS20
BS19
BS18
BS17
AS32
AS31
AS30
AS29
AS28
AS27
AS26
AS25
AS24
AS23
AS22
AS21
AS20
AS19
AS18
AS17
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
33 16 33 16
BS33 BS16 AS33 AS16
34 15 34 15
BS34 S34 S33 S16 S15 BS15 AS34 S34 S33 S16 S15 AS15
35 14 35 14
BS35 S35 S14 BS14 AS35 S35 S14 AS14
36 13 36 13
BS36 S36 S13 BS13 AS36 S36 S13 AS13
37 12 37 12
BS37 S37 S12 BS12 AS37 S37 S12 AS12
38 11 38 11
BS38 S38 LCD DRIVER S11 BS11 AS38 S38 S11 AS11
39 10 39 LCD DRIVER 10
BS39 S39 S10 BS10 AS39 S39 S10 AS10
40 IC1 9 40 IC2 9
BS40 S40 S9 BS09 AS40 S40 S9 AS09
41 8 41 8
BS41 S41 LC75823W S8 BS08 AS41 S41 LC75823W S8 AS08
42 7 42 7
BS42 S42 S7 BS07 AS42 S42 S7 AS07
43 6 43 6
BS43 S43 S6 BS06 AS43 S43 S6 AS06
44 5 44 5
2 BS44
45
S44 S5
S4 4
BS05 AS44
45
S44 S5
S4 4
AS05
BS45 S45 BS04 AS45 S45 AS04
INH 4.93V
VDD1 3.41V
VDD2 1.73V
INH 4.93V
VDD1 3.41V
VDD2 1.73V
46 3 46 3
BS46 S46 S3 BS03 AS46 S46 S3 AS03
47 2 47 2
BS47 S47 S48 S2 BS02 AS47 S47 S48 S2 AS02
48 48
CoM1
CoM2
CoM3
CoM1
CoM2
CoM3
S1 1 S1 1
OSC
OSC
VDD
VDD
BS48 BS01 AS48 AS01
VSS
VSS
S49
S50
S51
S52
S49
S50
S51
S52
CE
CE
CL
CL
DI
DI
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
BCM1
BCM2
BCM3
ACM1
ACM2
ACM3
BS49
BS50
BS51
BS52
AS49
AS50
AS51
AS52
R15 1k
LINH
R16 1k
LCLK
R17 1k
LDAT
R18 1k
LCS1
R19 1k
LCS2
L1 10u 5V
3 R1 R3 5.10V R9
4.7k 4.7k 4.7k R10
0.01u
4.7k
10u10
1000p
1000p
R57
C15
0.01u
0.01u
R13
R14
0.01u
R4
47k
C6
C7
R5
C4
0.1u
C8
C1
47k
47k
0.1u
C2
4.7k
4.7k
C5
C3
8M
DIM3
DIM2
DIM1
DIM0
D1-4,10-13
B30-2270-05
D1 D3 D10 D12
R11
56
R8
R2
R6
120
R7
39
5.6
0
D2 D4 D11 D13
R12
0.43V 0.43V 0.21V 0.43V CP5
56 CP4 47k
0.06V 0.06V 5.01V 0.06V
4 Q1 Q2 Q3 Q4 D1-4 D10-13
47k
DTC114EE DTC114EE DTC114EE DTC114EE LED LED
P50
TXD0
RXD0
5.05V P70
Q1-4 P71
SWITCHING
47k
0
0
CP3
R20
R21
D5-9
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
5 REVERSE
P42
P43
P44
P45
P46
P47
P50
P51
P52
P53
P54
P55
P56
P57
CTS0
P61
RXD0
TXD0
CTS0
P65
P66
P67
P70