Text preview for : B51-8667-00-PCBP.pdf part of Kenwood B51-8667-00-PCBP Kenwood HF 50 MHz All Mode Transceiver HF 50 MHz All Mode Transceiver Kenwood TS-480HX & 480SAT B51-8667-00-PCBP.pdf



Back to : B51-8667-00-PCBP.pdf | Home

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