Panasonic TH-50PX20U-P Service Manual page 120

TH-50PX20U-P
14.56. C1, C2, C3, C4, C5, and C6-Board (1 of 2) Block Diagram
CA1
TO SC12 C12
DSHR
1
DSLR 2
DMHR 3
DMLR
4
Vda75V 6
TO SC13
TO SC62
CB4
TH-50PX20U-P
C1, C2, C3, C4, C5 and C6-BOARD (1 of 2) Block Diagram
D1 CLK D2 CLK D3 CLK D4 CLK
CA2 CA3 CA4
IC7102
CLOCK
IC7103
BUFFER
IC7104
BUFFER
IC7105
BUFFER
IC7106
BUFFER
Data drive (Upper Left)
C1
Board (Rear View)
C13 1 2 4 5
Vda75V 78V_L
78V
C62
5 6
C6 Data drive (Lower Left)
Board (Rear View)
IC7605
BUFFER
IC7604
BUFFER
IC7603
BUFFER
IC7602
BUFFER
IC7606
CLOCK
CB3 CB2 CB1
D15 CLK D14 CLK D13 CLK D12 CLK
D5 CLKR D6 CLKL
CA5 CA6 CA7
C10 C20
CLKR
D4
D3
D2
D1
IC7201
B29 DSLR A12
CLOCK
DSHR
A29 B12
DMLR
B30 A11
A30 DMHR B11
A1 SOS
B40
IC7203 IC7204
BUFFER
C11 C22
17 4
78V_L
18 78V_L 3
19 78V_L 2
20 78V_L 1
Vda75V
11 10
Vda75V
12 9
13 Vda75V 8
14 Vda75V 7
C24 A1 C25
B29 A29 B30 A30
TO D31 TO D32
TO D34 TO D33
C54 C55
C61 C52
14 Vda75V 7
13 Vda75V 8
12 9
Vda75V
11 Vda75V 10
20 78V_L 1
19 78V_L 2
78V_L
18 3
17 78V_L 4
IC7503 IC7504
BUFFER
IC7502
C60 C50
CLOCK
D12
D13
D14
D15
CLKR
CB5 CB6 CB7
D16 CLK D17 CLK
120
D7 CLKL
TO C31
C2 Data drive C21
(Upper Center) Board
CLKL
D8
D9
D10
D11
A40 SOS2
SOS3
B37
DSHL
B10
DSLL
A10
DMHL
B9
DMLL
A9
A4 URH
B4 URL
BUFFER
UMH
B5
UML
A6
IC7205
B6 USH
USL
BUFFER A7
UEH
B7
A8 UEL
TO C33
C23
20 78V_R
19 78V_R
18 78V_R
17 78V_R
Vda75V
14
Vda75V
13
12 Vda75V
11 Vda75V
A1
A31 B31 A32 B32 B37 A37 A36 B35 A35 B34 A34 B33
A4 B4 B5 B6 B7
TO C43
C53
7 Vda75V
8 Vda75V
9 Vda75V
10 Vda75V
1 78V_R
2 78V_R
78V_R
3
78V_R
4
TO C41
IC7505
C51
BUFFER
LED_G
B37
LED_R
A37
REMOCON
A36
BUFFER
KEY_SW
A35
OPT
A7
D22
D21
D20
D19
CLKL
Data drive
C5
(Lower Center) Board
D18 CLK
TH-50PX20U-P
C1, C2, C3, C4, C5 and C6-BOARD (1 of 2) Block Diagram