Kenwood KCH-16 Service Manual page 74

A
KCH-16
1
CONTROL UNIT
(X53-4350-20) (A/2)
CONTROL
J2
CONNECTOR
2
3
4
CONTROL UNIT
(X53-4350-20) (B/2)
PROGRAMMING
CONNECTOR
J1
TRD
NC
7
5
8
E
NC 6
5
10 4
MIC
9
NC
ME
11 3
12 2
NC
1
NC NC
6
7
74
X53-435 1/2
B
KRK-11 SCHEMATIC DIAGRAM
8 KVL
7 TRD
6 MIC
R7
5 ME 1.8k
4 PS
3 E
2 SB
1 RESET
CN4
CN5
E37-1427-05
KVL 6 6
TRD 5 5
MIC 4 4
ME 3 3
E 2 2
SB 1 1
C
CN14 CN13
L2
L3
D1,2
SURGE
ABSORPTION
CURRENT
PROTECTOR
KVL
TRD
MIC
ME
E
SB
SURGE
ABSORPTION
SURGE
ABSORPTION
D
CN17
R10
Q1
82k
DTA123JKA
R9
47k
Q1-3
DETECTION SW
C9
100p
D7,9
SURGE
ABSORPTION
D4,5
E
R4 0
R5 0
R6 0
Q3
DTC123YE
C33
10u
Q2
DTC123YE