Fostex D-108 Service Manual page 57

MPUKEY, DISPLAY, D-108 / D-160 (2/5)
L1
C3
C1
6HOLE
0.1
0.1
L3
6HOLE
AC6.2B
L2
AC6.2A
C2 6HOLE C4
0.1/50
0.1/50
J1
1 AC6.2A
2 AC6.2B
3 VdispF D+5
D92 D88 D84
4 GND
D90 D86 D82
5 D+5F
6 D+5F 2 2 2 2 2 2
NON
7 GND
8 GND 1 1 1 1 1 1
9 GND
R42
10 /RST
11 /ATN1
12 /ATN2
13 TXD R44
14 RXD
SCK
15
R46
8283M15P
Vdisp=-29.5V 2 2 2 2 2 2
NON
1 1 1 1 1 1
D91 D87 D83
D93 D89 D85
DGND
D+5
NJM2103
C10
U2
5
0.1
2
VSC V
3
C
OC
6
C
VSB
7
VSA
G 8
RST
N
1
CT
D
C11
0.1
4
DGND
R54
/LEDA0
1K
R55
/LEDA1
1K
R56
/LEDA2
1K
R57
/LEDA3
1K
D+5
D+5
C5 LGR4609-7000 L4
2
10/50
J2 BEAD D94
D+5
2 1 2 1
4 2
3 D95
1 1 2 1
DGND
BEAD
DGND L5 DGND
Vdisp
C6
10/50
Vdisp
J2
C12 0.1
R41
NON 100
R43
R45
100x5
2
D81
NON D LEAD 1 1
P04/AN4
2
P05/AN5
3
P06/AN6
X1 4
P07/AN7
8MHz
5
/RST2 AVSS
C7 R40 6
TEST
30p 1M 7
X2(O)
8
X1(I)
9
VSS
C8
10
OSC1(I)
30p
11
OSC2(O)
/RST2 12
RES
13
J1 IRQ0
14
P11(O)
15
P12(O)
16
C19
P13(O)
470p
17
P14(O)
18
P15(O)
19
P16(I)
C9 20
FS27
0.01 21
FS26
22
FS25
23
FS24
24
FS23
DGND
F F F F F
S S S S S
2 2 2 2 2
7 6 5 4 3
D+5 FS22
FS21
FS23 FS20
1 FS24 FS19
FS25 FS18
3 Q1
FS26 FS17
A1150
2 LEDA0 FS27 FS16
1
3 Q2
A1150
2 LEDA1
1
3 Q3
A1150 LEDA[0..3]
2 LEDA2
1
3 Q4
A1150
2 LEDA3
LEDA[0..3]
D+5
R47
1
1.5K 1%
3
U9
A114ES
1
3
C15
0.01
U8
R48
A114ES
100
P P
A A
1 0
SO_FL
CE_FL
SCK_FL
8 7 7 7 7 7 7 7 7 7 7 6 6 6 6 6
U1
0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5
P P P P A P P P S P S S S S P P
0 0 0 0 V A A 9 O 9 C O I C 9 8
3 2 1 0 C 1 0 7 2 5 K 1 1 K 0 7
/ / / / C (O) (O)(O) (O) 2 1 (O)(O)
A A A A /
N N N N C
3 2 1 0 E
64
P86(O)
63
P85(O)
62
P84(O)
61
P83(O)
60
P82(O)
59
P81(O)
58
P80(O)
57
VCC
56 FD15
FD15
55 FD14
FD14
54 FD13
FD13
53 FD12
FD12
52 FD11
FD11
51 FD10
FD10
50 FD9
FD9
49 FD8
FD8
FD7
48
FD7
FD6
47
FD6
FS2
46
FS2
FS3
45
FS3
FS4
44
FS4
43 FS5
FS5
42 FS6
FS6
41 FS7
FS7
V
F F F F F F F F F F F F F D
S S S S S S S S S S S S S F F I
2 2 2 1 1 1 1 1 1 1 1 1 1 S S S
2 1 0 9 8 7 6 5 4 3 2 1 0 9 8
P
H8/3B
2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4
5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0
FS8
FS9
FS10
FS11
FS12
FS13
FS14
FS15
NON
W1
C14
0.1/50
Vdisp
DGND
2
DIG1
R39
150K
2
DIG0
R38
150K
Vdisp
LEDK[0..4]
U3 LEDK[0..4]
/S29
C114ES
/S28
R49
3 2 LEDK0
/S27
39
1
U4
C114ES
R50
3 2 LEDK1
39
1
U5
C114ES
R51
LEDK2
3 2
39
1
U6
C114ES
R52
3 2 LEDK3
39
1
U7
NON C114ES
R53
3 2 LEDK4
NON 39
1
D+5
C13
0.1
DGND
FD[6..15]
FD[6..15]
FS[2..27]
FS[2..27]