KF-42WE620/50WE620
101
KF-42WE620/50WE620
U BLOCK DIAGRAM
Q9410
BUFFER
Q9409
BUFFER
Q9401
BUFFER
Q9404
BUFFER
15
22
8
1
17
24
10
3
19
26
12
5
59
62
16
23
9
2
61
64
18
25
11
4
21
20
28
27
14
13
7
6
IC9400
AV INPUT SELECT SWITCH
Q9407
BUFFER
Q9405
BUFFER
Q9404
BUFFER
Q9406
BUFFER
Q9427
BUFFER
Q9421
BUFFER
Q9424
BUFFER
Q9425
BUFFER
Q9403
BUFFER
Q9411
BUFFER
Q9416
MUTE SWITCH
Q9416
MUTE SWITCH
Q9423, 9422
MUTE
Q9417, 9418
INITIAL
MUTE SWITCH
AUDIO
OUT
VAR/FIX
D9435
D9430
D9434
Q9419
BIAS
Q9414
BUFFER
Q9426
BUFFER
S VIDEO
VIDEO
R
L
(MONO)
Q9428
BUFFER
Q9402
BUFFER
Q9408
BUFFER
Q9412
BUFFER
Q9413
BUFFER
V-IN1
V-IN2
V-IN3
V-IN4
Y-IN1
Y-IN2
Y-IN3
Y-IN4
C-IN1
C-IN2
C-IN3
C-IN4
V6-L
V5-L
L-IN1
L-IN2
L-IN3
L-IN4
V6-R
V5-R
R-IN1
R-IN2
R-IN3
R-IN4
SSW-IN1
S2-IN1
SSW-IN2
S2-IN2
SSW-IN3
S2-IN3
SSW-IN4
S2-IN4
V1-V
V2-V
V3-V
V4-V
V1-Y
V2-Y
V3-Y
V4-Y
V1-C
V2-C
V3-C
V4-C
V1-L
V2-L
V3-L
V4-L
V1-R
V2-R
V3-R
V4-R
D2-L
D1-L
D2-R
D1-R
V1-S
V1-S2
SSW2
V2-S2
V3-S
V3-S2
V4-S
V4-S2
V1-V
V3-V
V4-V
V1-Y
J9401
J9409
J9402
J9400
V3-Y
V4-Y
V1-C
C
Y
Y
L
R
V3-C
V4-C
V1-L
V3-L
V4-L
V1-R
V3-R
V4-R
D2-L
D1-L
D2-R
D1-R
CB5
Y5
CR5
CB6
Y6
CR6
V1-S
V1-S2
SSW2
CN9400
CN9402
CN9404
CN9405
V3-S
V3-S2
V4-S
V4-S2
44
53
49
56
58
47
43
45
52
54
34
33
MAIN Y/V OUT
SUB V OUT
YIN
SUB Y OUT
SUB C OUT
MAIN C OUT
MAIN L OUT
MAIN R OUT
SUB L OUT
SUB R OUT
SDA
SCL
10
3
5
12
9
11
2
4
59
61
29
31
62
64
43
45
IC9401
AV INPUT/OUTPUT SELECT SWITCH
IC9401
VIDEO SWITCH
MAIN-YV
YV
C
SUB-YV
SUB-C
MAIN-C
MAIN-L
MAIN-R
SUB-L
SUB-R
MS-L
MS-R
DVI-L
DVI-R
ATSC-L
ATSC-R
MAIN-L OUT
MAIN-R OUT
MS-L
MS-R
DVI-L
DVI-R
ATSC-L
ATSC-R
MAIN-L OUT
MAIN-R OUT
44
53
49
56
58
47
8
11
COMP Y
9
COMP CB
COMP CR
8
1
15
22
16
18
34
33
MAIN YV OUT
SUB V OUT
YIN
SUB Y OUT
SUB C OUT
MAIN C OUT
RF MAIN-V
MTU-V
Y
CB
CR
STU-V
MTU-L
MTU-R
SUB-LR
RF SUB-V
RF MAIN-L
RF MAIN-R
23
25
RF SUB-L
RF SUB-R
SDA
SCL
1
2
3
4
5
7
8
9
10
11
33
34
35
41
42
43
44
45
46
47
20
IC9402
COMPONENT INTERFACE
IC9405
AUDIO BUFFER
IC9405
LINE AMP
IN3-1
IN3-2
IN3-3
IN3-H
IN3-V
IN4-1
IN4-2
IN4-3
IN1-1
IN1-2
IN1-3
IN2-1
IN2-2
IN2-3
IN2-H/L1
IN2-V/L2
IN2-L3
IN2-SW
IN4-H
IN4-V
EXTCLK/XTAL
CR5
CB5
Y5
PR
PB
Y
ATSC-PR
ATSC-PB
CR6
CB6
Y6
ATSC-Y
X9400
31
30
17
16
Y OUT
MUTE
VGA
RESET
TO
A BOARD
CN8006
TO
UD BOARD
CN7005
CB
Y
CR
C/V SW
CB OUT
6
5
CONT 7
CONT
CR OUT
CONT
12
2
3
16
15
27
26
25
7
1
5
3
SDA
SCL
CLAMP-SW
YG_IN
YG_OUT
SEL Y OUT
Y
AT-L
AT-R
CB
CR
SEL CB OUT
SEL CR OUT
NC
NC
3
4
1
2
3
4
1
2
3
4
1
2
1
2
4
6
8
10
12
V2-SW
V2-S2
V2-C
V2-Y
V2-V
V2-L
V2-R
1
3
5
ATSC-PR
ATSC-PB
ATSC-Y
1
3
ATSC-L
ATSC-R
CN9406
CN9401
A31
A30
A28
A27
A26
A25
A24
A23
A22
C21
C20
A19
A18
A16
A15
A14
A13
A11
A10
C8
A8
A7
A6
C5
C4
C3
C2
A3
A2
SUB-YV
SUB-C
MS-L
MS-R
SUB TU LR
SUB TU V
MAIN TU R
MAIN TU L
MAIN TU V
SDA
SCL
MAIN-R OUT
MAIN-L OUT
C/V COMP SW
COMP CR
COMP CB
COMP Y
CONT-S IN
CONT-S OUT
DVI-MUTE
DVI-VGA
DVI-RESET
VAR MUTE
+5V
+5V
+9V
+9V
VAR R OUT
VAR L OUT
MS-L
MS-R
SUB-LR
SUB-V
MTU-R
MTU-L
MTU-V
SDA
SCL
MAIN-R
MAIN-L
C/V SW
CR
CB
Y
MUTE
VGA
RESET
4
3
2
1
MUTE
VGA
RESET
5V
V2-S2
V2-C
V2-Y
V2-V
V2-L
V2-R
1
3
5
7
9
PR
PB
Y
L
R
PR
PB
Y
DV1-L
DV1-R
+5V
+9V
+9V
5
6
3
2
1
7
AUDIO
VIDEO IN
1
S VIDEO
VIDEO
R
L
(MONO)
C
Y
Y
L
R
AUDIO
VIDEO IN
3
S VIDEO
VIDEO
PR
PB
R
L
(MONO)
C
Y
Y
L
R
R
L
VR
VB
VG
R
L
VR
VB
VG
AUDIO
L
R
Y
AUDIO
L
R
AUDIO
VIDEO IN
4
HD/DVD
IN 5
CONTROL
S
IN
CONTROL
S
OUT
PR
PB
L
R
Y
TO
H3 BOARD
CN43
TO
UD BOARD
CN7006
AUDIO
HD/DVD
IN 6
Q
N
E
C
U
(VIDEO INPUT)