Kenwood TK-480 Service Manual page 17
800mhz/900mhz fm transceiver
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Also See for TK-480:
- Service manual (25 pages) ,
- Specifications (2 pages) ,
- Instruction manual (39 pages)
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F
TX-RX UNIT (X57-5630-XX)
1
4
VCONT
VCC
2
3
GND2
OUTPUT
C211
C212
0.1u
0.1u
9
17(S)
IC12
TC35453FG6
L21
L24
L29
L30
L34
R8
R11
R23
R29
-15
6.8n
6.8n
10n
L79-1468-05
8.2n
18k
47k
56k
18k
-15
6.8n
6.8n
10n
L79-1468-05
8.2n
18k
47k
56k
18k
-15
5.6n
5.6n
15n
L79-1469-05
10n
27k
22k
120k
12k
G
SCHEMATIC DIAGRAM
Q24
2SA1832(GR)F
R300
4.7k
R159
C233
0.01u
L5
IC9
TA31136FNG
2SK1824-A
Q7
2SK1824-A
Q22
2SK1824-A
D11
MA3J742
R113
R65
R72
R80
R82
R99
R100
R165
R180
R190
CF1
39
150
390k
33k
120
82
100
15
NO
1.8k
L72-1032-05
39
150
390k
33k
120
82
100
15
NO
1.8k
L72-1032-05
22
56
330
680k
39k
NO
220
0
0
NO
L72-0939-05
H
R172
10k
D12 1SS360-F
C227
100p
PLL SYSTEM
C228
1000p
IC11
C213
C229
0.1u
LMX2352TMX/NP
0.01u
C215
C214
13
IF_EN
12
RF_EN
0.1u
1000p
14
CLOCK
100
11
FO/LD
C216
R42
100
15
DATA
10
0.01u
OSCIN
C217
16
LE
9
R43
100
OSCX
56p
17
GND3
8
GND2
C218
1000p
18
FINIF
7
FINRF
C219
19
FINIF
6
FINRF
20
GND4
5
100p
GND1
21
CPOIF
4
CPORF
22
R176 22
VPOIF
3
VPRF
C224
R166
R174
23
2
R175
100p
VCCIF
VCCRF
C225
22
220
220
1000p
24
OUT1
1
OUT0
C226
0.1u
IC13
LC73872M
CF2
IC14
IC30
Q5
L72-1032-05
L78-1428-15
RA03M8087M101
2SC4619
L72-1032-05
L78-1428-15
RA03M8087M101
2SC4619
L72-0939-05
KCH32
RA03M8894M101
2SC5108(Y)F
I
TK-480/481
Q3
2SC4617(S)
✽ L13
✽ C119
Q21
2SK1824-A
Q25
XF1
2SC4725
L71-0501-05
2SC4725
L71-0501-05
NO
L71-0502-05
J
Q8
2SC5108(Y)F
IC14
Q5
IC15
30622MEP599GU
17
X57-563 2/4
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