KF-42WE620/50WE620
97
KF-42WE620/50WE620
A (2/2) (TUNER/RELAY)
18
15
AU-17V
AU+17V
SP-DC-DET
SCL
SDA
SET 9V
17V
-17V
CN8903
VAR R
VAR L
L_OUT
R_OUT
GND
GND
SCL
SET 9V
13
14
SP-MUTE
12
R CH_OUT
10
L CH_OUT
8
6
SUR-L
5
SUR-R
3
2
1
4
9
SDA
GND
D8506
1
CN8003
CN8001
CN8023
CN8022
CN8021
CN8018
CN8020
CN8902
CN8007
3
LAMP-PRT
LAMP-CNT
100/120W
5
1
2
SDA-E
SCL-E
SET 5V
4
1
2
KEY1
SIRCS
1
2
SDA-E
SDA1
SCL O
SCL-E
4
3
SCL1
9
B-INT
10
SDA O
11
1
3
3.3V
SDA-E
SCL-E
6
4
C1REG-SW
7
WP
2
4
STBY-5V
5V
4V
7
6
4V
9
3.3V
A1
C1
10V-DET
HS3.3V OVP
17V-DET
4V
D6.5V
D6.5V
5V
A3
A2
POW-CTL
A4
SUB7V
A5
AC-RLY(+)
AC-RLY(-)
A7
A8,9
9V
33V
A26
10V
C26
A29
C29
A32
C32
AU-17V
AU-17V
AU+17V
AU+17V
9V
C8,9
4V
C12
A15,16
C15
5V
A18,19
C18-20
10V
A23-25
C23-25
A12,13
A6
11V
11V
1
2
2.5V
2.5V
3.3V
OVP
6.5V
7
5
1.8V
8
1.8V
9
MAIN-ON/OFF
11
13 I 15
DD-REG-SW
11V
19
18
10
6.5V
10
RESET
EPM
TXD
7
8
BUSY
6
SCLK
5
RXD
3
2
CE
CNVSS
1
3.3V
LAMP-PRT
LAMP-CNT
100/120W
SDA-E
SCL-E
SET 5V
KEY1
SIRCS
SDA-E
SDA
STBY-CLK
SCL-E
SCL
BINT
STBY-DAT
LVDS 3.3V
C1REG-SW
WP
STBY-5V
SET 5V
SET 4V
LVDS 3.3V
10V-DET
17V-DET
SET 4V
SET D6.5V
SET 5V
POW-CTL
AC-RLY(+)
AC-RLY(-)
SET 9V
TU 33V
17V
17V
SET 11V
SW 2.5V
SW 3.3V
SET 6.5V
SW 1.8V
SET 11V
3.3V RESET
EPM
ATSC TXD
BUSY
CV/COMP-SW
ATSCRXD
CE
CNVSS
ST 3.3V
4
1
3
WF-OUT(+)
WF-OUT(-)
1
2
FAN1-POW
FAN1-PROT
FAN2-POW
FAN2-PROT
FAN3-POW
FAN3-PROT
FAN4-POW
FAN4-PROT
FAN5-POW
FAN5-PROT
5
4
7
8
11
13
14
10
3
9
10
14
Q8510
INITICAL MUTE
Q8507-8509
DC DETECT
17V
11V DET
MUTE
Q8500
MUTE
Q8503
BUFFER
Q8504
BUFFER
LPF
IN+
OUT
FAN-CTL
SDA-E
SCL-E
OVP
FAN1-CTL
FAN2-CTL
FAN2-CTL
FAN-PROT
DC PROT
17V
IC8507
Q8005
MUTE
IC8504
WOOFER AMP
-17V
14
15
3
5
IC8010
DATA DECODER
IC8003
FAN CONTROL
IC8005
FAN CONTROL
D8031
Q8004
POWER OFFMUTE
STBY 7V
D8509
D8508
Q8512
MUTE
SET 11V
Q8046,8049
BUFFER
4
4
1
3
4
1
3
Q8034,D8029
D OVP
SWITCH
Q8045,8045
BUFFER
Q8044,8047
BUFFER
4
1
3
IC8007
+3.3V REG.
1
3
IC8009
+3.3V REG.
1
2
4
IC8008
+5V REG.
4
5
CTL-1
AUDIO
IIC
CTL-2
L8011
D8035
(MS 3.3V OVP)
MS 3.3V
STBY 7V
LVDS 3.3V
STBY 5V
SRT 6.5V
SET 11V
SET 11V
SET 11V
Q8024
Q8017
D8004
NC
NC
NC
NC
CN8022
CN8051
FAN1
FAN2
FAN3
WOOFER
SPEAKER
D8005
D8006
Q8026
Q8027
TO
G3 BOARD
TO AU BOARD
CN4702
D
TO G1 BOARD
CN1603
G
TO
C2 BOARD
TO
C2 BOARD
FOR CHECK
TO
C1 BOARD
TO H3 BOARD
CN44
F
TO H1BOARD
CN171
E
TO
LAMP
BLOCK
A BLOCK DIAGRAM (2 OF 2)