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KLV-L23M1 (AEP) 3-23
(5)
Schematic Diagrams of TU and U2 Boards
1
A
B
C
D
E
F
2
7
6
5
4
3
+33V
+5V
VIDEO
AUDIO
AUDIO
VIDEO
VIDEO
2.7
2.1
32.3
1.9
4.6
4.8
2.7
2.4
4.9
2.3
1.7
2.3
TUNER
BUFFER
BUFFER
TU6401
TUNER
TU
TO A(5/6)BOARD CN9701
TO A(5/6)BOARD CN9702
JL6409
JL6408
JL6407
JL6406
JL6405
JL6404
JL6403
JL6402
JL6401
L6403
4.7uH
L6402
4.7uH
R6401
0uH
L6401
0uH
C6409
B
2200p
50V
1608
C6408
F
0.1
25V
1608
C6407
F
0.1
25V
1608
CHIP
L6404
6.8uH
C6404
B
0.1
50V
2012
Q6401
2SA1037AK-T146-QR
Q6402
2SA1037AK-T146-QR
GND
33V
SDA_P2
SCL_P2
AGC
GND
6P
CN6401
6
5
4
3
2
1
GND
VIDEO
QSS
FM/AM
5V
GND
6P
CN6402
6
5
4
3
2
1
1/10W
R6402
100
CHIP
R6409
100
CHIP
1/10W
C6406
CH
47p
50V
1608
C6405
B
0.47
10V
1608
R6410
1k
CHIP
1/10W
R6408
1k
CHIP
1/10W
R6407
100
CHIP
1/10W
R6405
0
CHIP
R6403
0
CHIP
0.47
C6401
B
10V
1608
R6406
100
CHIP
1/10W
IF
IF
VIDEO
QSS
FM/AM
+5V
GND
+33V
SDA
SCL
AS
AGC
TU
[TUNER]
— TU BOARD —
<COMPONENT SIDE>
<CONDUCTOR SIDE>
1
A
B
C
D
E
F
2
7
6
5
4
3
0
0
0
0
3.3
4.5
0
4.5
AUDIO OUT
(VARIABLE)
AUDIO OUT
TO
A(5/6)BOARD
CN9404
B-SS12364<AEP>-U2
MECHA GND
MUTE
MUTE
RESET
U2
R/D/D/D
L/G/S/I
R9316
JL9307
JL9306
JL9305
JL9304
JL9303
JL9302
JL9301
Q9301
DTC323TKT146
Q9302
DTC323TKT146
4
3
2
1
J9301
R
L
R9315
0
CHIP
GND
FACT RESET
REG9V
MUTE
A_OUT_R
A.GND
A_OUT_L
CN9301
7P
7
6
5
4
3
2
1
R9313
0
CHIP
R9312
0
CHIP
R9314
0
CHIP
R9311
470k
CHIP
1/10W
D9302
UDZS-TE17-9.1B
C9304
CH
47p
50V
1608
R9301
330
CHIP
1/10W
C9305
4.7
50V
R9302
330
CHIP
1/10W
R9303
47k
CHIP
1/10W
C9301
CH
47p
50V
1608
C9303
CH
47p
50V
1608
R9304
47k
CHIP
1/10W
D9301
UDZS-TE17-9.1B
C9306
4.7
50V
C9302
CH
47p
50V
1608
S9301
U2
[AUDIO OUT]
— U2 BOARD —
•
TU BOARD SEMICONDUCTOR LOCATION
*
2
Ref.
Q6401, Q6402
*
: Refer to Terminal name of semiconductors in
silk screen printed circuit (see page 3-6)
<COMPONENT SIDE>
<CONDUCTOR SIDE>
•
U2 BOARD SEMICONDUCTOR LOCATION
*
2
3
Ref.
Q9301, Q9302
D9301, D9302
*
: Refer to Terminal name of semiconductors in
silk screen printed circuit (see page 3-6)