Panasonic TY-TP42P8-S, Service Manual

Page: 60 / 95

10.6. X-LED 1 Board and Pen Receive Board Schematic Diagram
+
+ +
+
3
4
6
2
7
5
8
L.DR
V1
L.DR
V2
L.DR
V3
L.DR
V4
L.DR
V6
L.DR
V7
L.DR
V8
L.DR
V9
L.DR
V10
L.DR
V5
1
10
L.DRV5
5
4
L.DRV4
2
3
1
9
10
L.DRV10
6
L.DRV7
L.DRV6
L.DRV8
8
L.DRV9
7
9
L.DRV1
L.DRV2
L.DRV3
10
6
18
7
18
8
5
14
8
2
16
6
4
3 3
2
7
12
6
17
1
5
15
17
13
3
12
1
4
12
13
9
15
4
10
13
2
7
11
9
5
16
1
11
14
18
10
11
9
16
AD3
AD4
AD6
SEL0
SEL1
SEL2
SEL3
AD0
AD1
AD2
ILEDCOM
AD5
LEDON
PENDATA
Q11
FB1L2Q
Q12
FB1L2Q
Q13
FB1L2Q
Q14
FB1L2Q
Q15
FB1L2Q
Q16
FB1L2Q
Q17
FB1L2Q
Q18
FB1L2Q
C3
0.1u
C4
0.1u
Q5
FP1L2Q
Q4
FP1L2Q
Q3
FP1L2Q
Q2
FP1L2Q
Q1
FP1L2Q
R24
1.5K
3K
R23
Q10
FP1L2Q
Q8
FP1L2Q
Q9
FP1L2Q
Q7
FP1L2Q
Q6
FP1L2Q
R25-28
10K
C5
0.1u
R29-32
10K
C6
0.1u
R1 0
C7
0.1u
R33-37
10K
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
5V
5V
C10
6.3V
47u
C9
0.1u
+5V
12
R19-22
10
R17,18
+5V
+5V
+5V
+5V
C8
0.1u
C1,2
6.3V
47u
5V
47
R1
C1
0.1u
C2
6.3V
47u
L66
L71
9
Y3
12
A
L3
G2A
L2
L7
L4
10
Y7
L56
15
L13
L55
L14
L9
G1
L11
G2B
14
L40
L34
L39
L25
L28
L17
L16
L78
L10
L15
L74
L12
B
C
Y5
Y6
Y4
Y1
11
Y0
7
13
Y2
L29
L30
L27
L32
L5
L23
L20
L6
L21
L1
L22
L8
L26
L31
L19
L24
L61
L18
L68
L67
L69
L48
L75
L42
L62
L76
L47
L64
L77 L37
L44
L45
L60
L73 L41
L59
L46
L43
L49
L63
L58
L57
L54
L33
L53
L36
L65
L52
L38 L70
L51
L72
L35
L50
K
A
L1-L78
DNP319
14
7
Y7
Y4
10
Y3
12
15
A
13
B
Y2
Y6
Y0
G2A
G2B
Y1
11
G1
9
Y5
C
4
5
GND
VCC
16
COM
INH
A
1
2
5
VEE GND
3 4
3
2
1
3
2
1
4
5
6
6
GND
8
8
Y3
A
14
7
B
Y7
Y0
Y4
15
10
Y3
Y7
11
G2A
4
5
12
Y6
13
15
A
13
6
Y1
10
12
8
9
G2B
B
G1
5
GND
Y2
C
Y6
4
Y0
7
G2A
G2B
Y1
11
1
G1
9
Y4
3
16
2
6
Y5
3
8
14
GND
Y5
C
2
1
Y2
16
2
16
15
14
8
5 7
11
A
13
6
Y6
9
G1
Y5
G2B
1
G2A
Y1
GND
10
Y3
Y4
3
Y7
Y0
12
B
C
Y2
4
PHON
25
6
AD3
10
PHON
3
23
AD2
SEL3
9
19
RANGE2
SEL0
16
SEL2
5
14
15
AD4
11
3
AD5
RANGE1
13
17
7
+5V
26
5
12
+5V
22
+5V
24
PENDATA
11
J14
18
21
AD0
8
2
SEL1
RANGE2
12
AD6
25
19
LEDON
AD6
SEL3
AD3
20
4
7
1
SEL1
6
10
23
9
PHCOM
16
SEL3
AD3
15
AD5
AD6
13
ILEDCOM
17
SEL2
+5V
AD2
+5V
PENDATA
AD4
ILEDCOM
SEL1
20
SEL0
4
AD0
1
AD1
PHCOM
TO
Y-LED 1 BOARD
(J14)
AD2
22
18
J13
AD0
SEL0
SEL2
14
21
AD4
AD1 AD1
RANGE1
26
+5V
AD5
24
LEDON
8
2
TO
X-LED 2 BOARD
(J13)
NC
GND
GND
NC
GND
NC
GND
GND
GND
NC
ILEDCOM
LEDON
PENDATA
3 7 2 5 6
B
E
C
A
4 1
D
8
G441-K1TD08 (TY-TP42P8-S)
G541-K1TD09 (TY-TP50P8-S)
X-LED 1 BOARD
8
ch0
ch1
7
6
U1
74HC138
3 TO 8 LINE
DECODER
U2
74HC138
3 TO 8 LINE
DECODER
U3
74HC138
3 TO 8 LINE
DECODER
3 TO 8 LINE
DECODER
74HC138
U4
3 TO 8 LINE
DECODER
U5
74HC238
U6
TC7W53FK
ILEDOUT SW
VCC
VCC
VCC
VCC
VCC
+5V
J15
3
PENDATA
GND
1
2
3
1
2
J1
P1
ROM-238LM
3
2
1
G541-K1TD14
PEN RECEIVE BOARD
(TY-TP42P8-S)
G441-K1TD12
(TY-TP50P8-S)
LED DRIVE
LED SINK
PEN
RECEIVER
LED
MATRIX
TY-TP42/50P8-S
Pen Receive and X-LED 1 Board Schematic Diagram TY-TP42/50P8-S
Pen Receive and X-LED 1 Board Schematic Diagram
5V
TY-TP42P8-S / TY-TP50P8-S
60