KF-42WE620/50WE620
96
KF-42WE620/50WE620
3-3. BLOCK DIAGRAMS
A31
A30
SUB-YV
CN8008
SUB-C
A28
MS-L
A27
MS-R
A26
SUB TU LR
A25
A24
SUB TU V
MAIN TU R
A23
MAIN TU L
A22
MAIN TU V
C21
SDA
C20
A19
SCL
MAIN-R OUT
A18
MAIN-L OUT
A16
CR
CB
Y
C/V COMP SW
A15
COMP CR
A14
COMP CB
A13
COMP Y
A11
CONT-S IN
A10
CONT-S OUT
C8
DVI-MUTE
A8
DVI-VGA
A7
DVI-RESE
A6
VAR MUTE
C5
+5V
C4
+5V
C3
+9V
C2
+9V
A3
VAR R OUT
A2
VAR L OUT
MS-L
A (1/2) (TUNER/RELAY)
MS-R
S-LR
S-V
M-R
M-L
M-V
SDA
SCL
R-OUT
L-OUT
C/V COMP SW
CONT-S IN
CONT-S OUT
DVI-MUTE
VGA
RESET
SET
+9V
SET
+5V
VAR R
VAR L
C31
B31
V-PULSE
A31
STBY 3.3V
DIC-RST
C30
CV-COMP-SW
B30
ATSC-OVP
A30
3.3V RST
B29
ATSC-RXD
C28
C27
ATSC-TXD
LINE-MUTE
B27
CNVSS
A27
CE
C26
B26
A26
VCHIP-SY
C25
VCHIP-MY
B25
B24
MS-RST
C24
DVI-MUTE
BUSY
B23
SUB-HIN
DVI-VGA
A24
DVI-RST
C23
EPM
C22
MAIN-HIN
B22
MAIN-AFT
B21
AGC-ATT
B20
I-SAP
O-SAP
C18
C21
SUB-FAT
C20
F-MONO
C19
ANT-M
C17
B16
C16
C9
B15
C13
C1-REG SW
WP-C
SDA-E
DAT1
B18
SCL-E
B17
CLK1
C15
STB-CLK
STB-DAT
C14
B-INT
B13
17V-DET
C12
POW-CTL
A12
MS-ACOFF
C10
FAN5
B10
FAN4
C8
FAN-CNT
C7
LAMP-CNT
LAMP-PRT
B7
HV-DET
C6
B6
A6
100/120W
C5
SP-MUTE
B5
SP-DC-PORT
C4
B4
KEY1
A4
LINK-LED
C3
TIMER-LED
B3
STBY-LED
A3
POWER-LED
C2
SIRCS
P-ON
LAMP-LED
LAMP COV
FAN-PORT
D-OVP
1
POWER-LED
4
P-ON
6
LA,P LED
7
TIMER LED
8
STBY LED
(T)
9
SW
10
SW
NC
SIRCS
NC
NC
NC
NC
B2
B48
SDA
SDA
S-LR
SCL
SDA
SCL
M-R
M-L
MS 3.3V
SW 3.3V
SW 1.8V
CB
Y
DIC-RESET
SYSTEM RESET
V-PULSE
Q8001
Q8002
CR
MS-R
MS-L
SCL
SDA
SCL
RF-AGC
ATF OUT
SAP IND
MODE
F MONO
DET OUT
DET OUT2
DA-EM OUT
DET OUT
AFT OUT
SCL
SDA
R OUT
L OUT
B46
9V
9V
A49
I MAIN Y/CV
A47
I MAIN C/CB
A45
I MAIN CR
B44
B42
2.5V
2.5V
B40
2.5V
A43
A41
I-SUB Y/CV
B38
I-SUB C/CB
B28
B30
I-BOARD RESET
A25
B-I2C-SDA-5V
B-I2C-SCL-5V
O-MS-AU-R-OUT
O-MS-AU-L-OUT
A27
A23
B17
MS3.3V
MS3.3V
3.3V
3.3V
B20
A21
I-MS/CNM-RESET
I-MS/CNM-AC-DET
B18
B22
A17
B12
B8
A13
NC
NC
NC
NC
NC
NC
SET 9V
SET 5V
B-MS/CNM-USB-D-
B-MS/CNM-USB-D+
I-MICOM-VP
A19
A15
I-BINT
B10
1.8V
1.8V
1.8V
5V
5V
B6
A11
A9
A7
A5
A3
B4
B2
O-DIS-Y
O-DIS-CB
O-DIS-CR
O-DIS-HS
O-DIS-VS
O-DIS-YS
1
4
MS
TO
ANTENNA
SWITCH
Q8006
9V
Q8022
BUFFER
Q8017
BUFFER
Q8015
BUFFER
Q8018
BUFFER
Q8016
BUFFER
Q8014
BUFFER
Q8052
BUFFER
HV DET
D8034
D8033
6
5
4
GND
TH.FUSE
TH.FUSE
CN8014
CN8002
CN8009
3
LAMP-COV
2
GND
1
CTL-1
CTL-2
AUDIO
IIC
HV-DET
HV-DET
LAMP-COV
AC-RLY(+)
AC-RLY(-)
KEY1
CONT-S IN
CONT-S OUT
BINT
10V-DET
ANT-SW1
SIRCS
DC PORT
MUTE
LAMP-COV)
POW-CTL
17V-DET
OVP
BINT
STBY-DAT
STBY-CLK
SCL
SDA
SDA-E
SCL-E
WP
C1-REG-SW
ANT-SW1
EPM
BUSY
RESET
VGA
DVI-MUTE
SYSTEM-RESET
CE
CNVSS
ATSC-TXDM
ATSC-RXD
3.3V RESET
CV/COMP-SW
ST 3.3V
DIC-RESET
V-PULSE
O-SAP
I-SAP
FMONO
AGC
AFT2
AFT1
M-HSYNC
S-HSYNC
HV-DET
LAMP-PRT
LAMP-CNT
FAN-CTL
FAN-PORT
Q8023
BUFFER
Q8029
HS DETECT
SET 5V
M-HSYNC
S-HSYNC
ATF2
AGC
Q8019
Q8021
Q8020
AFT1
I-SAP
FMONO
O-SAP
Q8030
HS DETECT
Q8027
BUFFER
Q8008,8009
Q8035-8037
Q8039,8041
CONTROL-S
INTERFACE
SET 5V
CN8005
CN8004
A2
S-ATT
Q8051
BUFFER
TU8002
MAIN TUNER
TU8001
SUB TUNER
IO CONVERTER
TANTENNA
SWITCH
VHF/UHF
AUX
SET 9V
SW 2.5V
Q8003
SW 3.3V
Q8025
BUFFER
Q8513
100/120W
TO DIC2 BOARD
TO U BOARD
CN9401
A
TO C2 BOARD
TO H2 BOARD
CN4502
B
TO T BOARD
CN3999
C
A BLOCK DIAGRAM (1 OF 2)