Panasonic CF-48 Service Manual page 87

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Main 19 KBC
1
2
KB2_1
034:D7
KB2_2
034:D7
3
KB2_3
034:D8
KB2_4
034:D8
KB2_5
034:D8
KB2_6
034:D8
KB2_7
034:D8
KB2_8
034:D8
KB2_9
034:D8
KB2_10
034:D8
KB2_11
4
034:D9
KB2_12
034:D9
KB2_13
034:D9
KB2_14
034:D9
KB2_15
034:D9
KB2_16
034:D9
KB1_1
034:D6
KB1_2
5
034:D6
KB1_3
034:D6
KB1_4
034:D7
KB1_5
034:D7
KB1_6
034:D7
KB1_7
034:D7
KB1_8
034:D7
6
7
8
9
10
11
A
B
VC3
KAMAYA
RA70
IC26
10K
M38802M2-280HP
33
25
P17
P27
34
P26 26
P16
35
P25 27
P15
36
P24 28
P14
TP83
37
P13
38
17
P12
P42/INT1
39
16
P11
P43/INT2
40
P10
41
12
P07
P47/INT4
42
13
P06
P46/INT3
43
P05
44
58
P04
P61/INT5
45
59
P03
P60/CNTR#
46
P02
47
15
P01
P44
48
14
P00
P45
21
P40
49
20
P37
P41
50
P36
51
29
P35
P23
52
30
P34
P22
53
31
R81
P33
P21
54
32
NU
P32
P20
55
P31
56
8
P30
P53/SRDY#
TP208
9
P52/SCLK
TP209
SD[0-7]
SD[7]
60
10
DQ7
P51/TXD
TP193
SD[6]
61
11
DQ6
P50/RXD
TP194
SD[5]
62
DQ5
SD[4]
63
19
DQ4
RESET#
SD[3]
64
DQ3
SD[2]
1
22
DQ2
XIN
SD[1]
2
DQ1
SD[0]
3
DQ0
IOW#
4
23
W#
XOUT
010:D7;017:D6;026:B6;027:H6;028:B8
IOR#
5
R#
VC3
010:D7;017:D6;026:B6;027:H8;028:D8
KBCCS#
6
S#
010:F5
SA[2]
7
57
A0
VCC
010:D2;017:D2;026:D2;027:B1;028:D8
18
C368
CNVSS
0.1u
24
VSS
RSTDRV
010:D8;012:B2;017:D6
C29
NU
3
TC7S14F
C
D
E
VC5
SCRLED#
RA73
025:A5
NUMLED#
10K
025:A4
CAPLED#
025:A3
RA72
1
8
2
7
4
5
3
6
33
KBRST#
010:E5
A20G
010:F5
IRQ1
010:D9;026:B9
IRQ12
010:D10;015:F4;026:B8
PTDATA
019:G7;034:D4
PTCLK
019:G7;034:D4
SPKUP
020:E9
SPKDN
020:E9
KBCSMI
011:C3;011:J5
RSTDKB#
019:F10
C108
019:F5;034:D4
1000p
019:F5;034:D4
1
3
X3
CSTCV8.00MT0C4
2
8MHz
IC48
RSTDKB#
2
4
019:F6
TC7S14F
VC3
IC48
5
VCC
GND
F
G
10 - 19
VC5
PolySwitch
ERY32SA120VA
PS1
1.2A
C376
L41
NU
BLM21P600SG
Ext. KB(PS/2)
CN1
MH11067-H1
BK1608LL121
1
2
R100
1
BK1608LL121
1
2
R102
2
3
4
BK1608LL121
1
2
R110
5
BK1608LL121
1
2
R144
6
MSDATA
022:I5
MSCLK
R30
022:I4
KBDATA
0
022:I4
KBCLK
022:I4
VC5
10K
10K
R457
R458
PTDATA
PTCLK
H
I
J

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