Kenwood NX-740H Service Manual page 37

DISPLAY UNIT (X54-3890-20)
J1
CM
1 HOOK
2 MIC
3 ME
4 PTT
5 GND
5
6 SB
R1
7 MBL
8
100
CN1
SB
30
29
SP+
28
27
4
SP-
26
25
LEDM
24
MBL
23
RLED
22
GLED
21
BLED
20
KMO1
19
KMO2
18
KMO3
TO TX-RX
17
KMI1
UNIT 1/2
16
KMI2
CN700
15
KMI3
3
14
5C
13
LEDI
12
LECE
11
LECL
10
LELH
9
8
GND
7
MIC
6
ME
5
HOOK/RXD
4
PTT/TXD
3
MKEY
2
POWER
2
1
Q7
RT1P141U
4.93V
Q1
RT1N441U
R42
1k
Q9
2SC3928A
BUSY:2.32V
Q6
2SC3928A
1
A B
KEY BACKLIT
D1
B30-2337-05
D3
B30-2337-05
D5
B30-2337-05
R6 1k
R7 1k
R8 1k
R3 1k
R4 1k
R5
1k
L1
L92-0138-05
T:4.65V
Q8
RT1P141U
Q2
RT1N441U
<B A S
KMO1
CH
UP C>
BUSY:4.54V
KMO2
VOL VOL CH
DN UP DN
KMO3
T:1.87V
C D
(No.RA010<Rev.001>) 2-7
4.06V 13.53V
Q3
D2
KRA225S
R10
5.6k
B30-2337-05
4.06V
D4
R11
5.6k
B30-2337-05
1.90V
R12
Q4
KRC102S-P
6.8k
R34 1k
Q5
2SC3928A
E
2-7 (No.RA010<Rev.001>)
D37
HDSP-521A
4.94V
CP1
RK74HB1J102J
F G