Service Manuals, User Guides, Schematic Diagrams or docs for : Kenwood HF 50 MHz All Mode Transceiver HF 50 MHz All Mode Transceiver Kenwood TS-480HX & 480SAT B51-8667-00-PCBP
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A B C D E F G H I J
1 TS-480HX/480SAT PC BOARD
2 RF UNIT (X44-327X-XX) 0-00 : KH,KS 2-71 : EH,ES
Component side view (J72-0874-19)
D55 D69 J72-0874-19
C90
L67
L58
L78
C110
C128
CN2
C58
C60
3 1 GND RAT
CN1 1.8
DRV
R181
KEY (BLK)
DASH D62
C114
C64
L73
DOT
C93
L60
C4
R3
KYS L80 7
R2 C151
AGC
D156
CKYS
L152
D66
C89
PGC L70
L4
L2
L84
L64
C122
CN309
C72
PRES 28
4 DATA CN4
D58 C153
C155
CLK ATT C7 D63
C116
K1
C66
C96
L74
C6
REN R176
R158
L61 L81
C14
3C D 10
8C L302 R9 C169
L154
8C Q3 S
14S D67
L1
C95
L303 C10 R11 L75
L65
L85
RXB G
C124
30
C74
R173
TXB D57 PRES
L304
C17 R12 D64
C184
18 GND
C19
L157
5 R194
C68
L71
C118
C94
C166
R22
L305 L5 L62
L6
L7 L82 RATB R177
C11
14 R174
C8
L11
C170
C23
RXB D68 C167
C97
C161 R204
C15 L87 L158
C126
L86
L66
D2
+ 50 D152 R205
Q302
D53
D59
C76
L155 C163
C25
TXB C2 C12 C131 C171
+ D3
D151
6 D61 R178
C18
C158
C162
D54
C112
L69
C62
L156
C92
L59 L79 3
R6
D51 C165
R172
C55
R193
R5 L9
D65
C91
C51
R18
R19
L151
C164
D4
L72
R10
43
61
L83
Q2
C120
21
L63
D60
L54
C70
R192
L51
R21 C24 D56 BPF
L53
C78
Q4 L163 L162
7
L57
R20
C152
R154
L68
C57
C59
L56 BC
C154
C80
C130
C129
Q152
D5
R16
C53
C54
TC51
TC52
R151
43
R155
C301 C56 R61 R153
DT 3C A1 51
1 20
PRE R29
CLK
BPF4 L252 I
IC301 ATT BPF2 C32 Q151
EN BPF5 5
8 DX
CN51 CN52
NORM
BPF6 BPF9 + THRU ATT
BPF8 8
BPF3 10 11 BC-ATT
BPF10 C25
BPF7 A2
BPF1
9
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
IC251 8J D2 6B D57 5E D66 4G
10 IC301 8B D3 6C D58 4E D67 5G
Q2 7A D4 7C D59 6E D68 5G
Q3 5D D5 7C D60 7G D69 3G
Q4 7C D51 6D D61 6G D151 6H
Q151 8I D53 6E D62 3G D152 6H
11
Q152 7I D54 6D D63 4G D156 4H
Q251 8O D55 3E D64 5G D253 5O
Q302 6D D56 7E D65 7G D256 6Q
12
13
78
14
J K L M N O P Q R S
PC BOARD TS-480HX/480SAT 1
2
3
4
RF UNIT (X44-327X-XX) 0-00 : KH,KS 2-71 : EH,ES
Component side view (J72-0874-19)
CN254
C184
AGC C285
C180
C178
C185
R197 C190
R282 5
L261
R194 L161 L165 IF 10.695MHz
D253
R265
(RED)
B R177
C191
C170
A3
R204
R205 L164 D256
C171
R184 C198
R200
R178 L262 L264 6
CN153
L159
LO1 L166 L167 L168
R193
CN252
MCF
(BLUE) R285
TP2 C287
R192
R401
2
7
C282 R279
CN253
A4 L260 LO2
XF151
(WHIT)
PGC
G D
Q251
C273
S
R277
CN152
C258
R298
TP1
52 IC251 L253
5 4 MCF CKYS
8
8 1 J302 J301
C262 KEY PADDLE
C256
9
10
Component side
Layer 1
Layer 2
Layer 3 11
Layer 4
Foil side
12
13
79
14
A B C D E F G H I J
1 TS-480HX/480SAT PC BOARD
2
3
4
RF UNIT (X44-327X-XX) 0-00 : KH,KS 2-71 : EH,ES
Foil side view (J72-0874-19)
C275 C279
5 IF R275 C267 Q161 Q160
S
C272
R262
GND D
L257
R269
C268
R278
C278
R187
R186
L254
R294 G G
Q256 R268 D S
C280
C298
R295
R290 C270
TH251
R291
L258 D G2 R183
C182
S G1 S D
Q253 G R182 G
D S
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