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Kenwood DTF-3 Service Manual page 10

Kenwood digital multimedia receiver service manual

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AE
AF
5172-XX)
(W02-2767-05)
CON3
33.0V
1
+33V
24.6V
2
+23V
17.4V
3
+16V
12.1V
4
+12V
5.0V
5
5.1V
6
+5V
3.4V
7
8
9
10
J5
STROBE
1
AUTOFD
14
D0
L5
2
FAULT
15
D1
3
INIT
16
D2
4
SELECTIN
L7
17
D3
5
18
D4
6
PARALLEL
19
INTERFACE
D5
7
L8
20
D6
8
21
D7
9
22
ACK
10
23
BUSY
11
L9
24
PERROR
12
25
SELECT
13
(X14-7242-70) (B/2)
VCC
C4 0.1
D20
CA CARD
1
5
2
BANKING
3
4
CARD
CN8
WH1
11
DATA
DETECT
1
10 VCC
CLK
2
9
RST
RST
3
VCC
4
VCC
DATA
5
8
CLK
GND
6
DETECT
7
7
DETECT
CLK
8
D19
RST
9
1
5
VCC
10
VCC
2
DATA
11
3
4
6
GND
(X14- ) (A/2)
5
DATA
+B
4 VCC
3 RST
CN1
R22
47
5.0V
VCC
1
2 CLK
5.0V
OUT
2
+5VDU
1
DETECT
GND
3
D18
1
5
4
2
5
2
3
4
6
7
8
1
9
10
11
12
13
13
14
14
15
15
16
16
17
AG
AH
R5
D7
1K 2W
T1
35.7V
18
1
3
L10
D8
OPT01b
17
R2
24.6V
D6
5
220
1/4W
L6
8
REG1
D10
1
3
16
OUT
IN
17.4V
GND
2
14
D15
R20 12
5.1V
D12
5.1V
13
L4
D13
4.7uH
12
3.4V
3
IC2
3.5V
C
1
R
2.5V
A
2
11
10
R6
D14
100 1/4W
15
SMART CARD
SMART CARD
SWa
SWa
SWc
CA CARD
SWc
BANKING CARD
J1
C4a
C8a
C4a
C8a
C3a
C7a
C3a
C7a
C2a
C6a
C2a
C6a
C1a
C5a
C1a
C5a
VCC
C5b
C1b
C5b
C1b
C6b
C2b
C6b
C2b
C7b
C3b
C7b
C3b
C8b
C4b
C8b
C4b
VCC
ED1
LTC-4625
A1
DIG.1 DIG.2
14
1A-4A
14
A
16
1B-4B
16
B
R12 150
13
1C-4C
14
13
C
R13 150
16
3
1D-4D
R14 150
3
13
D
R15 150
3
5
1E-4E
R16 150
5
5
E
R17 150
11
1F-4F
11
R2
11
R18 150
Q1
F
15
4
2.2K
R19 75
15
1G-4G
12
15
G
R3
Q2
13
7
DP1-DP4
2.2K
1
DP
R4
Q3
14
L1
12
CATH.L1/L2
2.2K
2
12
4
ANODE L1/L2
4
1
DIG.1 COMM.
R5
1
15
Q4
2
DIG.2 COMM.
6
2
2.2K
6
DIG.3 COMM.
6
8
DIG.4 COMM.
8
R6
Q5
L3
16
9
CATH.L3
2.2K
8
10
ANODE L3
AI
AJ
SUB-BOARD
FS1
T1.0A
SW1
AC250V
D1
FL2
1
1
L3
FL1
2
2
D2
D3
IC1
D4
1
AC IN
CON1
D
3
C
S
2
SIGNAL LINE
(W02-2767-05)
GND LINE
IC1
:
TOP223Y
IC2
: KA431AZ
+B
B LINE
B LINE
B
REG1
:
NJM7812FA
D1-4
: 1N4007
D5,7
: UF4006
D6,14
: UF4003
D8
: UF4004
D10
:
EGP20G
D12
: SBYV27-200
D13
: SB560
D15
: 1N4148
ZD1
: BZT03C120
ZD2-4
: BZX79C11
ZD5,6
: BZX79C5V1
OPT01 : KP1010HB
(X14-7242-70)
Q1-5 : 2SA1576A(R,S)
D1-6 : 1SS355
J2
DIG.3
DIG.4
A
A
A
B
B
B
C
C
C
D
D
D
E
E
E
F
F
F
G
G
G
DP
DP
DP
L2
DTF-3/103/300,SMB2700
AK
AL
CAUTION: For continued safety, replace safety critical com-
ponents only with manufacturer's recommended parts (refer
to parts list).
indicates safety critical components. For
continued protection against risk of fire, replace only with
same type and rating fuse(s). To reduce the risk of electric
shock, leakage-current or resistance measurements shall be
carried out (exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to the cus-
tomer.
The DC voltage is an actual reading measured with a high
impedance type voltmeter with no signal input. The mea-
surement value may vary depending on the measuring
instruments used or on the product.
DTF-3/103/300
Y07-3912-70
AM
AN

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