Kenwood NX-220 Service Manual page 91

J K
R529
C549 CN3
CP607
C666
C667
R515
C536
R514
CP610
CP501
R517
R516
R509
L502
R504
R518
C616
R474
R147 R148
4
C432
R423
R410
C431
D401
L M
TX-RX UNIT (X57-8040-10) Component side view (J79-0313-19)
Q511
R502
Q505
C511
C541
C512
D509
R550
C552
C551
11 ENC1
ENC2
C550
ENC4
R503 GND
ENC3
C548
VOL_GND
VOL
C599
33A
NC
C504
SB1
C502
1 +B
C501
SB1
RXD0
MICO
J1
EXT. MIC
GND
MICI PTT/RXD
N O
印刷电路板
PC BOARD /
Q106
CN4
R165 R161
5 4
IC101
8 1
C181
C182
R164
R150
C913 C910
5
R919
6
TH101
D902
R906
C907
C909
TXD0
R909
SPO
SPI
OPTDET
J2
50V
EXT. SP
R920
R921
TXD
AE
P Q R
NX-220
J79-0313-19
C178
D501
F1
+B
C177
Q902
C905
R902
R901
1
C904
C901
IC901
C902
10
C906
Q905
R907
R501
S
D
G
+
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
Layer 6
Layer 7
Layer 8
Foil side
S
1
2
3
4
+
5
6
7
S
8
9
10
11
12
13
91
14