Kenwood TK-8360 Service Manual page 50

U
TK-8360/8360H/8360H
TX-RX UNIT (X57-8020-XX)
AF
C862
1u
R929
4.7k
C863
AMPSW
1u
R930
4.7k
Q402
11
9R SWITCH
SPMUTE
12
B
FB
SB
12 11
9C
CN400
PA
9R
9R
R :
8.93V
Q400
9R SWITCH
CONTROL
9RC
Q400
RT1N141U-T111
CN401 9T
9T
T : 8.86V
Q401
RT1N141U-T111
9T SWITCH CONTROL
R400
9TC
10k
11
5C
SBC
SBC
12
5CC
9
3.3C
3.3M
3.3M
5M
INT
RESET
3
8
8
9
8
3
9
12
MIC
ME
50
X57-802 5/6
TENTATIVE
V
U
( )
SCHEMATIC DIAGRAM
Q718,719
AF AMP SWITCH
R933 R936
82k 2.2k
R : 3.28V
Q718
C867
SSM3K05FU
0.22u
R934 R935 C866
82k 2.2k 0.22u
R : 3.28V
Q719
SSM3K05FU
AF AMP
SWITCH
IC400
VOLTAGE REGULATOR (9V)
12
IC400
9C
TA4809BF
CN402
Q402
2SB1694
2 1
oUT IN
GND
3
8.96V
SB
Q402 9R SWITCH
R407
1k
Q403 9T SWITCH
Q403
4.90V
2SB1694
5C SWITCH
5C
Q404
CN403
SSM3J05FU-F
3.23V
3.3C
CN404 Q405
SSM3J05FU-F
3.3C SWITCH
3
8 8
CN702
CN706
D701
DA221
CN711
D702
DA221
CN705
D704
DA221
CN710
D705
DA221
CN704
D706
DA221
CN709
D708
DA221
CN703
D710
DA221
CN708
D711
DA221
RS232C RxD
CN707
R700
22k
Q700
RS-232C
2SC4116(Y)F
RXD BUFFER
D700-702,704-706
708,710,711,
SURGE
PROTECTION
12
W
Q720
RT1N141U-T111
5C
12
B
FB
SB
C419
13.60V 13.60V
F400
1000p Q407
4A
2SJ645
SB SWITCH
Q406
KTC4075E(Y,GR)
SB SWITCH
CONTROL
IC402
IC402
VOLTAGE REGULATOR
TA7805F-NQ
4.93V
5M
(5V)
2 1
oUT IN
GND
3
5M
3.29V
CN405
3.3M
1
3.3M
2
3
IC401
XC6221B332N-G
VOLTAGE
REGULATOR (3.3V)
5M
3
12
8
X
IC706
LA4600
AF POWER AMP
J701
EXT
SP
D400
VOLTAGE
PROTECTION
VOLTAGE
DTECTION
VOLTAGE (MCU RESET)
DTECTION (INT)
5M
IC404
XC6120N402N-G
IC403
1 4
BD4740G
NC VIN
6.78V
5
NC VCC
2 3
VSS VoUT
SUB
4
GND VoUT
4.73V
4.79V
RESET
CN737
CN738
OPT1
OPT3
SI
SO
CK
OPT4
USEL
OPT5
GND
GND
AI
AO
GND
5C
STON
DTI
TCTL
NC
AUDIH
OPT2
TXO
RXEO
RXEI
TXI
OPT6
9C
0
R724
IC700 ADM202EARNZ
C767
1 16
C1+
VCC
1u 2 15
V+
GND
3 14
C1- T1oUT
C768
4 13
R1IN
C2+
RS-232C
1u
5 12
DRIVER C2- R1oUT
6 11
V- T1IN
$R752 $R767
7 10
T2oUT
T2IN
$R753 8 9 $R768
R2IN R2oUT
R760 0
R761
0
5M
5C
SB
MIC
ME
Y
13.6V
CN700
2 1
4 3
6 5
8
7
10
9
12
11
14 13
16 15
17
18
20 19
22 21
24 23
26 25
4.87V
12
8