Kenwood TK-8360 Service Manual page 51

Z
Note : The components marked with
•
a dot ( ) are parts of layer 1.
TX-RX UNIT (X57-8020-XX)
SB
C701 100p
100p
C702 100p
C703 100p
12
100p
C704
C706
100p
C709
100p
C717 100p
C723
100p
D703,707,709
SURGE
PROTECTION
D707
DA221
D709
DA221
12
5M D703
DA221
SB
L700 C745 47P
5C
SP2
C889 470P
C888 470P
12
HORN
ALERT
SWITCH
FNC 1
R726
FNC 2
0
12
MIC
8
ME
TENTATIVE
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 29
3 SP+ 28
SP+
4 SP+ 2 7
5 SP- 2 6
12 SP-
6 25
SP-
L708
7
BLC 2 4
BLC
L709
8 MBL 2 3
MBL
L710
RLED
9 2 2
RLED
L711
10 GLED 2 1
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 10
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-8360/8360H/8360H
LCD
C
KMO1
S A
KMO2
KMO3
CH VOL
UP UP
D2
D1
VOLTAGE SURGE
PROTECTION PROTECTION
R12
100
D2
DA221
R7
R 1 7 0
0
EMG
R2 R 3 R 4 1 0 k
R 5
10k 1 0 k
1k
C P 1
RK74HB1J102J
4.90V
R22
0
POWER
Q6
BUSY LED
SWITCH
CONTROL
Q5
Q4
RT1P141U -T111 RT1P141U-T 111
D2 2
B3 0 - 2 3 2 1 -05
INDICATION
(BLUE)
T:4.68V
LED ON
R 1 8 R19
2.05V
180
Q3
T:1.48V
RT1N141U -T111
D23
B30-2151-05
Q2
TX/BUSY
R T 1 N 1 4 1 U -T 111
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 D20
R35
1 5 0
B 3 0 -2 3 3 7 - 0 5 B30-2337-05 B30-2337-05
0.77V
D1 3 D17 D21
R36
1 5 0
B 3 0 -2 3 3 7 -0 5 B30-2337-05 B30-2337-05
0.77V
D1 4 D18 D 2 4
R37
1 5 0
B3 0 - 2 3 3 7- 0 5 B30-2337-05 B30-2337-05
AC
49 KMI1
50 KMI2
51 KMI3
52 NC
53 NC
54 VDD
55 VLCD
56 VLCD1
IC 1
LC 75857W-E
57 VLCD2
58 VSS
LCD DRIVER
59 NC
6 0 OSC
61 LCDDO
62 LCDCE
63 LCDCL
64 LCDDI
R27
4 7 k
LCD BACKLIGHT
SWITCH CONTROL
Q9
RN 47A4-F
R 2 8
1 5 0
Q10
2SB 1132(Q,R )
12.80V
R29
1 5 0
C 2 9
BUSY:
4.35V
1000p
82
Q6
D10
BUSY:
2.23V
M C2850
VOLTAGE
RT1N141U -T111
PROTECTION
D5-9
KEY BACKLIGHT
3.74V
D5 D8
13.60V
R 24
10k
B30-2337-05 B30-2337-05
Q7
D6 D9 3.77V KR A225S
R25
1 0 k
B30-2337-05 B30-2337-05
D7 1.87V
R26
12k
B30-2337-05
Q7
KEY BACKLIGHT
SWITCH
Q8
Q 8
KEY BACKLIGHT RT1 N141C -T112
SWITCH CONTROL
X57-802 6/6, X54-374 1/1
AD
U
( )
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
51