Kenwood TK-7360 Service Manual page 55

Z
Note : The components marked with
•
a dot ( ) are parts of layer 1.
TX-RX UNIT (X57-8020-XX)
SB
C701 1000p
C702 470p
C703 1000p
12
C704 1000p
C706 1000p
C709 1000p
C717
470p
C723
470p
D703,707,709
SURGE
PROTECTION
D707
DA221
D709
DA221
12
5M D703
DA221
SB
L700 C745 47P
5C
SP2
C889 470P
C888 470P
HORN
ALERT
12
SWITCH
FNC 1
R726
FNC 2
0
12
MIC
8
ME
AA
SCHEMATIC DIAGRAM
DISPLAY UNIT (X54-3740-20)
B
VOL
DN
CH
INT SP
DN
J 1
8
DM
7
HOOK
6
MIC
5
ME
4
PTT
3
GND
2
SB
1
MBL
C N 1
CN701
1 SB
3 0
2 SB 2 9
3 SP+ 2 8
SP+
4 SP+ 2 7
5 SP- 2 6
12 SP-
6 2 5
SP-
L708
7
BLC 24
BLC
L709
8 MBL 23
MBL
L710
RLED
9 22
RLED
L711
10 GLED 21
GLED
L712
11 BLED 2 0
BLED
12 1 9
GND
13 1 8
NC
14 1 7
GND
R711 0
15
EMG 1 6
EMG
16 GND
1 5
17
GND 1 4
R718 0
5C 18 5C
1 3
R713 0
19 LCDDI 1 2
LCDDI
R723 0
20
LCDCE 1 1
LCDCE
R721 0
21 LCDCL 1 0
LCDCL
R722 0
9
22 LCDDO
LCDDO
23 GND 8
24 GND 7
8
R703
25 MIC 6
0
26 ME 5
R707 1k 27
HOOK 4
HOOK
/RXD
R708
28 PTT 3
PTT
/TXD
100
R709
100 29
MKEY 2
MKEY
R710
30 POWER
1
POWER
0
8 J700
6
1
Q3
11
TX LED
FNC 6
SWITCH
CONTROL
7
Q4
2
TX LED
IGN
SWITCH
12
8
Q5
FNC 3
3
BUSY LED
SWITCH
HR1 13
9
FNC 4
4
DATO
HR2 14
L707
10
FNC 5
5
DATAI
15
L701
C747
1000p
Q702
2SJ645
8
R735
47k
HORN ALERT
SWITCH
CONTROL
Q705
KTC4075E(Y,GR)
R744
HORN
1K
AB
TK-7360/7360H/7360H
LCD
C
KMO1
S A
KMO2
KMO3
CH VOL
UP UP
D2
D 1
SURGE VOLTAGE
PROTECTION PROTECTION
R12
1 0 0
D2
DA221
R7
R17 0
0
EMG
R 2 R 3 R4 10k
R5
1 0 k 10k
1 k
C P 1
RK74H B1J102J
4.90V
R22
0
POWER
Q6
BUSY LED
SWITCH
CONTROL
Q5
Q4
RT 1P141U-T111 RT1P141U -T111
D2 2
B 3 0 -2 3 2 1 - 05
INDICATION
BUSY:
(BLUE)
T:4.68V
LED ON
R18 R19
2.05V
180
Q 3
T:1.48V
RT1N 141U-T111
D23
B30-2151-05
Q2
TX/BUSY
R T 1 N 1 4 1 U -T 1 11
INDICATION
INDICATION
D11-21,24
LED (BLUE)
SWITCH LCD BACKLIGHT
0.77V
D1 1 D15 D19
R34
1 5 0
B 3 0 -2 3 3 7 - 0 5 B30-2337-05 B30-2337-05
0.77V
D1 2 D16 D 2 0
R35
1 5 0
B 3 0 -2 3 3 7 - 0 5 B30-2337-05 B30-2337-05
0.77V
D 1 3 D17 D21
R 3 6
1 5 0
B 3 0 -2 3 3 7 -0 5 B30-2337-05 B30-2337-05
0.77V
D 1 4 D 1 8 D24
R 3 7
1 5 0
B 3 0 -2 3 3 7 - 0 5 B30-2337-05 B30-2337-05
AC
4 9 KMI1
5 0 KMI2
5 1 KMI3
52 NC
53 NC
54 VDD
55 VLCD
56 VLCD1
IC1
LC75857W-E
57 VLCD2
58 VSS
LCD DRIVER
59 NC
60 OSC
61 LCDDO
62 LCDCE
63 LCDCL
64 LCDDI
R27
47k
LCD BACKLIGHT
SWITCH CONTROL
Q 9
RN47A4-F
R28
150
Q10
2SB1132( Q,R )
12.80V
R29
1 5 0
C 2 9
4.35V
1000p
82
Q6
D10
BUSY:
2.23V
M C 2850
VOLTAGE
RT 1N141U-T111
PROTECTION
D5-9
KEY BACKLIGHT
3.74V
D5 D8
13.60V
R2 4
1 0 k
B30-2337-05 B30-2337-05
Q7
D6 D 9 3.77V KRA225S
R25
1 0 k
B30-2337-05 B30-2337-05
D 7 1.87V
R26
1 2 k
B30-2337-05
Q7
KEY BACKLIGHT
SWITCH
Q8
Q 8
KEY BACKLIGHT RT1N141C -T112
SWITCH CONTROL
X57-802 6/6, X54-374 1/1
AD
V
( )
1
2
SEG32 32
SEG31 31
3
SEG30 30
29
SEG29
SEG28 28
SEG27 27
SEG26 26
SEG25 25
24
SEG24
23
SEG23
SEG22 22
SEG21 21
SEG20 20
SEG19 19
18
SEG18
SEG17 17
4
LCD BACKLIGHT
5
SWITCH
R 33
0
6.68V
6
7
55