Kenwood TK-5810 Service Manual page 108

AO
TK-5810 BG
(
R : 2.00V
T : 4.80V(KM) 4.90V(KH)
T : 4.75V(K2M) 4.77V(K2H)
2
24
VREF
19
C575
10u
C579
0.1u
24
1kHz
T : 252mVrms(K)
AFo
T : 250mVrms(K2)
DI BUFFER
BUFF AMP
(DATA) /
DC AMP
(MOD)
R564
33k
5.02V
R512 R519
47k 10k
C516
22p
DC OFFSET
16 FC DAC
5MC
SELF PROG
R403
0
VGSRST
5.02V
19
4.95V
i2CCK SCL
20
i2CDA SDA
IC400
21
VDD
PCA9535BS
22
/iNT25P INT
I/O EXPANDER
C400
23
A1
0.1u 24
A2
3 18
23
23
3
23
3 4 5 6 7 4 5 6 7
21
20
18
5C
8C
18
108
X53-440 9/10
AP
/5810H BG
) ( )
VREF
1kHz
2.00V
R : 321mVrms
1kHz
R : 322mVrms
IC517
M62364FP-F
5.02V
DAC
1kHz
R : 66mVrms
24
R : 0.98V(K) 1.10V(K2)
1kHz
T : 341mVrms(K)
R : 0.28V
T : 382mVrms(K2)
VREF
1kHz
L.P.F (MOD) /
T : 341mVrms(K)
SUMMING AMP
T : 382mVrms(K2)
(DATA)
SMF
1kHz
R576 22k
T :
341mVrms(K)
IC514
5.01V
382mVrms(K2)
TC75W51FUF
1 8
oUTA VDD
R568
2 7
IN-A oUTB
3 6
220k
IN+A IN-B
4 5
2.00V VSS IN+B
1kHz
2.00V
T : 201mVrms(K)
1kHz
T : 61.6mVrms(K)
T : 223mVrms(K2)
T : 70.1mVrms(K2)
22
R409
100k
R410
100k
12
Io1.2 Ao2
11
Io1.1 Ao1
10
Io1.0 AIO9
9
VSS
8
Io0.7 AIO8
7
Io0.6 AIO7
18
R413 100k 5MC
R414 100k
R415 100k
R416 100k
R417 100k
R418 100k
22
22
21
20
18
5C
8C
18
5.02V
7.97V
AQ
SCHEMATIC DIAGRAM
2
1kHz
R : 66mVrms
AF AMP
IC516 5.00V
2.00V
TA75S01F-F
1 5
IN(+) VCC
2
VEE
R585
3 4
IN(-) oUT
56k
0V
R593 330k
C574 47p
3.26V
Q504
RT1N141U-T111
DC SWITCH
5.02V
5C
2.00V
IC519 DC AMP
R : 2.00V
T : 4.80V(KM)
4.90V(KH)
4.75V(K2M)
R618
4.77V(K2H)
100k
7.96V
R611 R614 R617
470 56k 100k
2.27V
5MC
Q400,401
RXD2
DATA
RECEIVE
RXD2_GPS
D406
1SS388F
Q400 Q401
RT1N144U-T111 RT1N144U-T111
RXD0
R431
RXD2
0
CTS0
R429
TXD2
0
TXD0
RTS0
D400-405
SURGE ABSORPTION
22
23
4 5 6 7 4 6 7
5
D
CN444
AR
CONTROL UNIT (X53-4400-10)
1kHz
R : 356mVrms
5C
1kHz
R : 385mVrms
1kHz
AF SWITCH
R : 358mVrms
5.02V
IC518
TC7W53FK(F)
R605 C585 C587
1k 0.1u 0.1u
1 8
CoMMoN VCC
2 7
R604
INH CH0
3 6
4.7k
VEE CH1
4 5
GND A
0V Q506
2SD1757K
AF MUTE
SWITCH
IC523
R :
IC521
0.98V(K)
DC AMP
DC AMP (2nd LO/TCXO)
1.10V(K2)
21
R :
R : 0.28V
3.68V(K)
4.09V(K2)
R : 0.06V
7.96V
7.96V
R :
0.98V(K)
R623
R :
1.10V(K2)
0.28V
100k
1kHz
T : 202mVrms(K)
T : 231mVrms(K2)
D406-409
GPS2 GPS1 GND 5C 33GPS
LOGIC LEVEL
CONVERTER
D408
1SS388F
R434
0 R432
4.97V
R427
10
9.86V -9.82V
IC401
RS-232C
DRIVER
D
33M
5
C425
1000p
D
3.30V
D
CN457
AS
2
AFo
VREF
8C
21
1.05V
8C
33GPS
5C
4 6 7
RXD3
0
TXD3
23
4
6
7
23
Di
22
22
TXD2D
RXD2D