Kenwood NXR-710 Service Manual page 84

U
NXR-710
SB
33M
50M
33A
SBC
CN401
C409
100u
MOD
TXAF
33M_2
AMP_SW
DIODE SW
/oVRB D401
1SS388F
SBC
/PSW
AMP_SW
/AF_MUTE
33M_2
NAND GATE
IC401
TC7SH00FU-F
1
INB VCC
2
INA
3
GND oUTY
C401
0.01u
A
MOD
TXAF
84
X53-449 5/6
V
SCHEMATIC DIAGRAM
C132 0.01u
C133 1000p
AND GATE
IC24
TC7SH08FU-F
1 5
INB VCC
2
INA
3 4
GND oUTY
R425
22k
242mVrms
OP AMP
IC406
C436
NJM2732V
1 8 220p
AoUTPUT
V+
R413 R422 2 A-INPUT 7 R437
BoUTPUT
22k 22k 3 6 33k
A+INPUT
B-INPUT
4 5 C438
GND
B+INPUT
100u
C429
0.1u
A
C408
100u
TA
R424 R426
C469 15k 10k
1u
50mVrms 177mVrms
OP AMP
C420 C434
IC405
NJM2734V
220p 100p
R421 1 AoUTPUT 14 R433
DoUTPUT
39k 2 13 100k
A-INPUT
D-INPUT
3 A+INPUT 12
D+INPUT
4 11
V+
GND
5 B+INPUT 10
C+INPUT
6 9
B-INPUT
C-INPUT
7 BoUTPUT 8 R436
CoUTPUT
120k
C435
100p
A
CN403
C428
R431
0
1u
POWER SW
Q402
2SJ506-E(S)
R404
A
4.7k
POWER SW
Q401
RT1N141M-T111
POWER SW
C413
Q403
1000p
RT1N441M-T111
A
A 50mVrms
ANALOG SW
IC402
TC7S66FUF
C403 1 5
IN/oUT VCC
1u 2
oUT/IN
3 4
GND CoNT
A
5
AF MUTE SW
4
Q404
RT1N141M-T111
A
C407 R409
1u 10k
R408
10k
Q405
DTC363EU
AF MUTE SW
A A A
W
C134 0.01u
C135 1000p
OR GATE
IC25
TC7SH32FU-F
1 5
INB VCC
2
INA
3 4
GND oUTY
R414
15k W:366mVrms
N:183mVrms
OP AMP
IC404
NJM2732V
C433
1 AoUTPUT 8 180p
V+
R415 2 A-INPUT 7 R432
BoUTPUT
12k 3 A+INPUT 6 33k
B-INPUT
C417 4 5
GND
B+INPUT
2200p
C426
0.1u
A
CN402
A
R438 C441
100k 100u
R442 C442 R443 R457
68k 1u 0 0
IC403
AF POWER AMP
LA4422-E
4Vrms
at 4W
C430
C425
SPo
47u25 1000u25
A
C416 R423 C422
1000p 470 47u25
R419
1M
BER_CLK_5V
A
RXD0_RSi
EXT_MoN
TXD0_RSo
/EPTT_5V
Ai1
SC
Ai2
BER_DATA_5V
Ai3
AUXio1
AUXio2
AUXio3
AUXio4
AUXio5
AUXio6
SPM
X Y
CONTROL UNIT (X53-4490-10)
C136 1000p
C137 0.01u
AND GATE
IC26
TC7SET08FU-F
1 5
INB VCC
2
INA
R162 3 4
GND oUTY
100k
C443
0.1u
ANALOG SW
IC407
TC7W53FK(F)
R439 1 8
CoMMoN VCC
47k 2 7
INH CH0
3 6
VEE CH1
4 5
GND A
A
RD
TA
TD
SB
33M
50M
SBC
MOD
33A
VREF
RA
33M_2
SPo
50M
CN32
CN33
CN34
CN35