Detail Block Diagram (3 Of 3) - Panasonic TY-TP42P8-S Service Manual

9.5.

Detail Block Diagram (3 of 3)

TO
X-PHOTO 2 BOARD J11
(J10)
AD0 1
AD6 7
PHON
8
RANGE1 14
RANGE2 15
LEDON 9
SEL0 10
SEL3 13
PENDATA 16
PHCOM 20
ILEDCOM 21
+5V 17
+5V 18
+5V 19
U1
3 TO 8
LINE
DECORDER
SEL0-3
U3
CH0
PHOUT SW
U3
3 TO 8
SEL0-3
LINE
DECODER
U6
CH0
ILEDOUT SW
TO
X-LED 2 BOARD J14
(J13)
1
AD0
AD6 7
SEL0 10
SEL3 13
LEDON 9
ILEDCOM 21
+5V 17
+5V 18
+5V 19
TY-TP42/50P8-S
Detail Block Diagram (3 of 3)
X-PHOTO 1 BOARD
J10
1 AD0
7 AD6
8 PHON
14 RANGE1
15 RANGE2
9 LEDON
10 SEL0
13 SEL3
16 PENDATA
20 PHCOM
21 ILEDCOM
17 +5V
U8,U9
+5V 18 +5V
19 +5V
AD3-6 PH.DRV1-10
3 TO 8
LINE
DECORDER
PHOTO-
TRANSISTOR
Y0
MATRIX
U4
P1-P78
8ch
A PH.SINK1-8
AD0-2
B ANALOG
C MULTI-
PLEXER
INH
U6
COM
A
PH ON,RANGE1,2
B
OPTICAL
C
INH
U5 NOISE
CANCEL
X
GAIN
COM Y CONTROL
Z
Q1 Z1
U7
X-LED 1 BOARD
U1,U2
Q1-Q10
3 TO 8
AD3-6 L.DRV1-10
LED
LINE
DRIVE
DECODER
Q11-Q18
A
AD0-2
LED
B 3 TO 8
L.SINK1-8
LED
C MATRIX
LINE
SINK L1-L78
DECODER
Y0 G2A
G2B
U5
P1
+5V PEN-
INH TOUCH
J15 J1
PEN IR RECEIVER
PEN
RECEIVER BOARD
1 +5V 1
IR RAY
+5V
PHOTO
2 PENDATA 2
TRAN-
COM
SISTORS
J13
1
AD0
7 AD6
10 SEL0
13 SEL3
9 LEDON
16 PENDATA
21 ILEDCOM
+5V
17 +5V
18 +5V
19 +5V
J24
(42inch)
J13 Y-LED 2 BOARD
(50inch)
1
7
9
10
13
16
21
17
(U2:50inch
18 U1,U2 Q1-Q7(42inch)
ONLY)
19 Q1-Q10(50inch)
3 TO 8 LED L.DRV1-7(42inch)
AD3-6
L.DRV1-10(50inch)
LINE DRIVE
U2,U3
DECORDER TRAN-
SISTORS
(42inch)
U3,U4
U4(42inch)
(50inch)
U5(50inch) Q8-Q15(42inch)
Q11-Q18(50inch)
Y1
AD0-2 A
3 TO 8
L.SINK
B
3 TO 8 LED
LINE 1-8
C
LINE TRAN-
DECODER
DECODER SISTORS
G2A
G2B
CH0 INH
U5(42inch)
+5V
ILEDOUT SW
U6(50inch)
COM
Y-LED 1 BOARD
U1,U2
Q1-Q10
3 TO 8
AD3-6
LED
LINE
DRIVE
DECODER
U4
U5
Q11-Q18
AD0-2 A
3 TO 8 3 TO 8
B
SEL0-3 L.SINK1-8
LED
LINE C LINE
SINK
DECODER DECODER
Y0
G2A
G2B
U6
CH0 INH
ILEDOUT SW
+5V
COM
J14
1
7
10
13
9
16
21
17
18
19
53
LED
MATRIX
L1-L52(42inch)
L1-L78(50inch)
+5V
J25
(42inch)
1 7 9 10 13 16 21 17 18 19
J14
(50inch)
J13
1 7 9 10 13 16 21 17 18 19
+5V
L.DRV1-10
LED
MATRIX
L1-L78
TY-TP42/50P8-S
Detail Block Diagram (3 of 3)
TY-TP42P8-S / TY-TP50P8-S