Display Unit (X54-3490-20) : Kch-14 - Kenwood KCH-14 Service Manual

A B
KCH-14/15
1
2
S1
POW
3
R72
D9 D8
R71 R12
4
SB
ES2
HK
ME NC
5
J1
MIC PTT
E
BLC
TRD DM
KVL
6

DISPLAY UNIT (X54-3490-20) : KCH-14

Component side view (J72-0946-19)
7
8
DISPLAY UNIT (X54-3490-20) : KCH-14
Foil side view (J72-0946-19)
9
KVL
TRD DM
E BLC
MIC PTT
10
ME NC
HK ES2
CN16
SB
C57
11
CN15
CN1
12
CN3
C2 C3
13
18
14
C D
PC BOARD
S2
S3
1
2
VR1
3
+
R80
2
E
IRS 1
Q3
D6
Q2
D5
Q1
D2
+
C53
R4 C7
C6
E F
1
INT1
E
END 3
C11
R7
Q7
C23 C30
D16
Q6
R37 R38
Q4
C44 C43 C42 C41
R70
C40
R1 L2
L3
CN5
C15 R16
G H
C27
CN6 CN7 CN10
C46
C47
CN8 CN9 CN11
R81
100
76
1 75
S
D
G
C19 R11
R25
IC3
C21
51
25
26 50
I J
CN13
J72-0946-19 A/3
CN14
J72-0946-19 A/3
R56 R61
R57 R62
R58 R63
R59 R64
R60 R65
10
NC
E
EPM
RXD
BUSY
TXD
SCLK
RESET
CNVSS
1 VCC