Kenwood TM-D710A Service Manual page 71

F
TX-RX UNIT (X57-731X-XX) (A/6): TX-RX SECTION
C674
4.8V
MB15A02PFV2E1
47p
L608 R7 1
oSCIN
390n 1k 2
NC1
3
oSCoUT
4
VP
5
VCC
6
Do
7
GND
D1
8
UL_A
LD
9
1SS400
C6 NC2
10
47p FIN
D1
REVERSE
CURRENT
PREVENTION
4.8V
MB15A02PFV2E1
R72 1
oSCIN
1k 2
NC1
3
oSCoUT
4
VP
5
VCC
6
Do
7
SW
GND
D66 8
UL_B
LD
1SS400 9
C71 NC2
10
47p FIN
X486
L77-3021-05
C681
0.1u
R491
1k
WIDE
CF486
L72-1035-05
SW
SW
D486 D487
DAN235E DAN235E
CF487
L72-1036-05
SW
NARROW R492
Q486
2SK1830F 1k
Q487
2SK1830F
SW
G
SCHEMATIC DIAGRAM
8V
C22 C56
1000p 1000p
RIPPLER
Q1
FILTER
2SC4617(R)
SW
PLL IC
IC1
20
R
19
NC5
18
P
17
FoUT
16
D2 VOLTAGE
NC4
DA221 SHIFT
15
FC
14
LE
13
DATA
12
CP1
NC3
RK75HA1J103J
11
CLoCK
8V
C122 C88
1000p 1000p
RIPPLER
Q66
FILTER
2SC4617(R)
SW
PLL IC
IC66
20
R
19
NC5
18
P
17
FoUT
16
D67 VOLTAGE
NC4
DA221 SHIFT
15
FC
14
LE
13
DATA
CP66
12
RK75HA1J103J
NC3
11
CLoCK
SQ_A
SM_A
FM IC
C574 0.1u
IC486
0.1u
C570
TA31136FNG
1 16 C500 0.1u
oSCIN MIXIN
2 15
oSCoUT GND
3 14
C679 0.1u
MIXoUT
N-REC
C571 0.1u
4 13
VCC N-DET
5 12 C501 0.1u
C680 0.1u
IFIN RSSI
6 11 C498 82p
C486 0.1u
DEC IFoUT
7 10
FILoUT QUAD
R498 8 9
FILIN AFoUT
120k
C495
1000p
C493
10u10
AMP
Q489
2SC4617(R)
R502 C494
1.3V
10k 0.1u
Q488
2SK1830F
SW
2SK1830F
DET_A
H
TM-D710A/D710E
SW
D12
Q73 HSC277
SW
7.5V
DTC144EE
D13
HSC277
SW
R113
2.2k
R18
100 SW
D5
MA2S077-F
R24 D6
3.3k MA2S077-F
CV_A
SW
R14
10k
Q2
SW
2SA1774(R)
R19 R20 R22
Q3
SW 2SC4617(R)
1.8k 1.5k 1k
R15
4.7k
SW
D32
Q8 HSC277
7.5V
DTC144EE
SW
D33
HSC277
SW
R50
2.2k
R83 SW
D70
100
MA2S077-F
SW
R89 D71
3.3k
MA2S077-F
CV_B
R79
10k
Q67
SW
2SA1774(R)
R84 R85 R87
Q68
SW 2SC4617(R)
1.8k 1.5k 1k
R80
4.7k
R:3.6V R527
T:0V
100k
Q495
Q493
AMP
2SC5636
DTA114EUA
AMP
DETECTION
R516
D488
RB706F-40
2.7k R529
CD486 47k
L79-1701-05
2.4V
2.4V 2.4V
C511
0.01u
AMP
AMP
C499 C504
DETECTION
0.1u Q491 0.1u Q494
2SC4617(R) 2SC4617(R)
1.3V 1.3V
SW
Q492
Q490
2SK1830F
SW
I
C58 C59
2p
7p
L10 L11
18n 22n
SW SW
C30 D20 D21 C34
4p 12p
HSC277 HSC277
L12
8.2n
C63
4p
SW
Q74
DTC144EE
C123 C124
7p 2p
L13 L14
18n 22n
SW SW
C96 D34 D35 C100
4p HSC277 HSC277 12p
L15
8.2n
C91
4p
SW
Q9
DTC144EE
A BAND IF
45.05MHz
R:0.93V
XF486
T:0V
L71-0642-05
C514 R483 R533 R536
0.1u 150 390 820
TH485 TH486
-t -t
NCP18XQ102J0S NCP18XQ102J0S
R:0.2V
T:0V
IC487
TC75W51FUF
5 4
IN+B VSS
R534 6 3
IN-B IN+A
1k C518 7 2 C523
SW
oUTB IN-A
0.1u
0.1u 8 1
Q496
VDD oUTA
2SK1830F
OP AMP
C522
C516
0.1u
1000p
X57-731 (A/6) 2/8
J
SW
D10
HSC277
D11
HSC277
SW
SW
D30
HSC277
D31
HSC277
SW
R484 C521
150 0.1u
AGCA
5RAM_C
71