Panasonic TY-TP42P8-S Service Manual page 60

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