Panasonic TH-42PX20U-P Service Manual page 377

CA1 D2 CLK CA2 D3 CLK CA3 D4 CLK CA4 D5 CLK
C1
Data drive (Upper Right)
Board (Front View)
C11
FROM D31
FROM D34
C41
C4
Data drive (Lower Right)
Board (Front View)
CB4 CB3 CB2 CB1
D13 CLK D14 CLK D15 CLK D16 CLK
TH-42PX20U-P
C1, C2, C3, C4 and K-BOARD BLOCK Diagram
IC7101
CLOCK
IC7105
BUFFER
IC7106
BUFFER
IC7107
BUFFER
C12 C22
17 Vda75V 4
18 Vda75V 3
19 Vda75V 2
20 Vda75V 1
D2 D3 D4 D5 D8
CLKR
13 14 15 16
CLKR 19
C43 C33
20 Vda75V 1
19 Vda75V 2
18 Vda75V 3
17 Vda75V 4
IC7707
BUFFER
IC7706
BUFFER
IC7705
BUFFER
IC7701
CLOCK
CLK D8 CA5 CLK D9 CA6 CLK D10
IC7301
CLOCK
IC7305
BUFFER
IC7306
BUFFER
IC7307
BUFFER
C2
Data drive (Upper Left) Board (Front View)
D9 D10 D11 CLKL C21
URL UMH UML USH USL UEH UEL URH SOS
FROM D32
FROM D33
LED_R LED_G REMOCON C31
20 21 22 CLKL AKOPT
Q7561
Q7562
C3
Data drive (Lower Left)
Board (Front View)
IC7507
BUFFER
IC7506
BUFFER
IC7505
BUFFER
IC7501
CLOCK
CB8 CB7
CLK D19 CLK D20 CLK D21
CA7 CLK D11 CA8
TO
C32
SS32
12 Vda75V
10 URL
URL
8 UMH
UMH
7 UML
UML
USH
6
USH
USL
5
USL
UEH
4
UEH
UEL
3
UEL
2 URH
URH
SOS
9
IC300
STBY5V
C44 K24
CATS SENSOR
OPT
OPT
7 7
REMOCON
6 REMOCON 6
LED G
2 LED G 2
LED R
3 LED R 3
TO
C42
SS42
1 Vda75V
2 Vda75V
Remocon Senser
K
CB6 CB5
CLK D22
TH-42PX20U-P
C1, C2, C3, C4 and K-BOARD BLOCK Diagram
RM300
REMOCON SENSOR
STBY5V
5V
Q305
G
Q300
Q301
R
D302
TO
K12
DG12
3 ON-LED(LED-G)
STB-LED(LED-R)
2