Kenwood TKR-851 Service Manual page 94

U
TKR-851
SB
AMPSW
DC SW
Q611
DTC114EUA
D627,628
REVERSE
CURRENT
PROTECTOR
Q606
DTC363EK
AF MUTE SW
TDS
RXD2
MIS
DXD2
TAS
SOE
STB
DAT
CLK
RD1
RSSI
GND
SPM
SC
EPTT
EMON
RA1
AI1
AI2
AI3
IO1
IO2
IO3
IO4
IO5
IO6
D606-612,615,616,
619,620,622,623
SURGE PROTECTOR
TD1
5C
DATA
TAI
GND
82
X57-696 (B/2) 5/5
V
SCHEMATIC DIAGRAM
C783 470p 13.07V
13.07V
Q610
2SJ506(S)
DC SW
Q609,610
Q609
DTC114EUA
DC SW
C787
R758
10k 1u
ANI
C765 0.01u
9
8
QS VSS
DC SW
Q'S Q4 Q607
DTC144EUA
Q8 Q3
Q7 Q2
Q6 Q1
Q5 CLK
OE DATA
VDD STRB
16 1
IC623
BU4094BCFV
SHIFT REGISTER
D614,618,621,629
SURGE PROTECTOR
D614
DA204U
D606 D607 D609 D611 D615 D619
DA204U DA204U DA204U DA204U DA204U DA204U
D608 D610 D612 D616 D620
DA204U DA204U DA204U DA204U DA204U
R764
R765
R749 0
C774
R750 0
1u
C772 C827
R751
100u10 100u10 0
C773 C828
R752
2.2u10 2.2u10 0
W
TX-RX UNIT (X57-6962-70) (B/2)
IC629
AUDIO AMP
LA4422
1.21V
1000u25
C811
47u25
C797
1000p
CURRENT
CONTROL
Q613
DTD123TK
CURRENT
CONTROL
Q614
DTD123TK
DC SW
Q608
DTC144EUA
R793 1k
R789
1k
R785
1k
D618 D621 D629
DA204U DA204U DA204U
D622
DA204U
D623
DA204U
1k
1k
X
CURRENT
PROTECTOR
C814
CN603
E40-5887-05
1 SB
SB
GND
GND
4
12
SPG
SPG
RD
L608
RSSI
SPI
AO1
AO2
SPO
SPO
L611 AO3
L612
AO4
L613 AO5
1
CN604
E40-5702-05
ACC
1
SP
SP
SPG
2
CN605
E40-5704-05
30
NC
NC
NC
NC
NC
RXD2
EMON
TXD2
EPTT
AI1
SC
AI2
NC
AI3
TXG
DG
IO1
TD
IO2
TA
IO3
RD
IO4
RA
IO5
RXG
IO6
SPM
NC
NC
1
CN606
E40-5960-05
D-SUB
Y
1
2
3
4
5
6
7