Lisa widget read&wite

Lisa widget read&wite
21
J1
LOW CURR
+5V
R16
2K
R21
3.9K
CR2
19
13
+5V
POWER OK
1
13
14 9
R18
2K
R15
1.5K
R22
1.5K
10 6
J1
WRT CURR
R19
10
R23
3.9K
U16
3
MPQ6700
CR3
5
12
R68
10K
8
7
14
R24
2K
4
5
2
R26
3.9K
8
2
6
4
7
1 5
3
11
8
5
7
R1
1.5K
6
R2
1.5K
R7
2K
3
2
2
12
14
8
5
3
6
13
11
7
R90
10K
R91
10K
+12V
C34
R93
12.1K
5
R92
12.1K
+5V
TAA (SHEET 3)
R101
3.3K
C39
+12V
5
-U8
4+
6
-12V
0.1
11
+12V
U7
CA3127E
U13
LF353
3
2
14
3
LM319
R103
1K
R104
12.1K
14
R102
39K
2
U1
75452
2
1
U2
74LS123
3
O
3
G
1
C3
0.1
4
10
9
R98
68.1K
8
+
-
1
R12
2.7
C4
0.1
+
-
5
7
6
-5V/SSI
GND/SSI
GND/SSI
GND/SSI
GND/SSI
9
2
4
6
8
8
S2
C71
0.1
G3
7
+
-
R99
68.1K
3
LM319
+U8 7
10 8
R108
390
C43
9
7
12
+12V
11
R106
10K
R107
2K
+
-
U14
LF353
R112
75K
0.1
-12V
R109
10K
1
4
R113
390
POS ERR
12
-12V
+12V
C38
510pF
R105
12.1K
C42
0.015
2
+5V
U2
74LS123
D1
R111
2.7K
R97
24.3K
-12V
6
Q2
2N5555
+12V
R96
24.3K
4
+5V
SAMPL/HLD (SHEET 4)
RG1
I
C72
0.1
-12V
C41
200pF
15
6
R95
390K
1
C40
200pF
C36
510pF
6
7
3
10
5
C37
510pF
5
-12V
0.1
R100
10K
-12V
10
C35
510pF
+5V/SSI
WRT ACK
LM79L05ACZ
2
R10
62
R94
390K
R89
3.3K
SIG-Y (SHEET 283)
C2
0.1
29
30
27
28
33
34
35
36
37
38
39
40
32
31
-12V
R11
2.7
R9
750
9
16
-5V
+12V
+12V
+5V
+5V
GND
GND
GND
GND
GND
GND
GND
GND
-12V
-12V
WSX-X (SHEET 4)
WXS-Y (SHEET 4)
15
R87
390
-12V
+5V
4
C6
0.1
-5V
+5V
1
C5
0.1
C64
R8
2K
13
R4
750
-5V
R88
390
U17
CA3146
C69
0.1
LM79L05ACZ
2
3
I RG2 O
G
1
+5V
U11
CA3146
14
R3
750
-12V
7
R220
62
-5V
1
4
DX (SHEET 2)
SIG-X (SHEET 283)
10
12
10
DY (SHEET 2)
C24
0.1
8
0.1
9
DY
DX
11 6
3
C1
0.1
3
9
13
+5V
RP4
150
1
12
R25
2.21K
CR7
SVO PROT (SHEET 4)
1
+5V
2
WRT SAFE
7
+12V
LISA WIDGET
READ/WRITE
(sheet 1 of 4 )
Lisa Widget
Read/Write Circuit
Sheet 1 of 4
C15
0.1
R31
267
DX (SHEET 1)
DY (SHEET 1)
C8 0.1
C7 0.1
MC1350
6 2
8
R29
5
U12
1K
4
3 1
7
L1, 18uH
C10
47pF
L2, 18uH
GCV (SHEET 1)
R30
75K
R32
267
C9
0.1
R35
2K
L3, 18uH
R28
(OPEN)
C11
100pF
L4, 18uH
C13
100pF
+5V
C19
0.1
R36
39
C12
100pF
R34
2K
R41
39
R46
1K
C74
R38
510
R40, 180
R45
1K
C14, 0.1
R39
510
R37
39
U5
CA3127E
C17
0.1
14
10
8
U6
7
11
1 5
NE562
12
6 12pF
8
11
4
9
4
3
C18
0.1
R43
1K
R44
1K
R48
1K
R42
39
C16
0.1
2
13
14
10
5
R54
10K
7
TP1
R47
240
-12V
R49
1K
SIG-X (SHEET 1&3)
SIG-Y (SHEET 1&3)
C20, 0.1
-5V
R33
100
R50
4.7K
-12V
R52
39
TP2
R53
39
R51
4.7K
+12V
C65, 0.1
-12V
8
LISA WIDGET
READ/WRITE
(sheet 2 of 4 )
7
5
6
C22, .0022
U10
LF353
2
3
C66, 0.1
4
-12V
8
7
1
2
C59, 150pF
RP2
10K
6
5
3
4
RP2
10K
C23, .022
1
Lisa Widget
Read/Write Circuit
Sheet 2 of 4
C21
.0022
R60
24.3K
R61
24.3K
R64
390
SIG-X (SHEET 1&2)
SIG-Y (SHEET 1&2)
8
6
+5V
R65
390
RP1
3.3K
2
15
1
9
12
11
8
6
C75
(C74)
0.015
4
1
U4
3
CA3127E
-12V
16
5
14
13
10
R74
2.7
C28
0.1
C27
0.1
7
16
6
2
+12V
CR4
IN4148
R66
5.6K
R147
1K
RP1
3.3K
1
-12V
-12V
R76
470
2
EP8199
DLY1 1
3
.0022
+12V
U9
LF353
5
6
R79
270K
-12V
NC
R77
470
10
4
8
C30
0.1
3
13
2
R78
39
RD PLS (SHEET 4)
TP3
GND
RD GT (SHEET 4)
C70, 100pF
7
3
+
-
-12V
1
2
CR5
R84
10K
0.1
11
R82
24.3K
+
-
C33
+5V
12
TAA (SHEET 1)
R80
3.3K
8
4
14
5
R83
39
-5V
R75
2K
15
C29
12pF
U3
8T20
R72
390
-12V
C67, 0.1
C25
470pF
R71
390
C26
CR8
IN4148
-12V
Lisa Widget
Read/Write Circuit
Sheet 3 of 4
RP1
3.3K
1
R81
1K
LISA WIDGET
READ/WRITE
(sheet 3 of 4 )
4
R73
10K
R85
160K
-12V
R86
24K
C32
470pF
GCV (SHEET 2)
J1
SVO PROT (SHEET 1)
LISA WIDGET
READ/WRITE
(sheet 4 of 4 )
R128
150
3
WR DATA
4
WR DATA
WXS-X (SHEET 1)
WXS-Y (SHEET 1)
+5V
1
1
J1
20
RP6
3.3K
8
7
2 ANALOG RS
1
5
+5V
Y1
10MHZ
C76
15pF
C48
8.2pF
6
R148, 1K
RP6
3.3K
3
+5V
6
9
12
10
R117
1K
RP3
3.3K
10
9
R116
750
1
NC
NC
U21
LS74
XTAL IN
XTAL OUT
7
CAP
8
R-LS
R115
510
1
0.1
22 NRZWDATA
R114
1MEG
+5V
C73
+
18
14
15
+5V 40
GND
SECTOR OUT
18
20
16
RWCLK
25 NRZRDATA
NC
5
1
NC
1
5
PRE CMP
RP3
3.3K
16
11
+5V
17
+
C44
0.1
35
19
C46
62pF
13
R125
560
RP6
3.3K
28
INC
29
INC
RD STRB
RD PLSE IN
27
DEC
24
RD GATE
22
RD PLS IN
21
GND
RDGT
11
MS
NC
+5V
14
R120
15K
15
U22
74LS123
3
+5V
13
4
3
RP3
3.3K
+5V
1
C60
.0022
NC
+5V
ODD/EVN
14
PE SAMPLES PLS 26
R146
150
8
+5V
+5V
+12V
+5V
R131
1.5K C49
NC
+5V
0.01
R121
1.5K C50
10
R130
2K
7
1
13
R132
3.01K
2
12
3
R136
10K
3
C55
100pF
R137
2K
R145
3.01K
C56
.0022
2
5
6
C54
0.1
TP6
8
+
-
1
R138
10K
U19
LF353
+
-
7
R144
390
R141
10K
R143
620
14 9 5
11
E
2 RNG
13 C
U20
LS628
R142
1 7
3
3.92K
C58
12
8
NC
6
4
22pF
CHG/PMP MON 15
RD PLS (SHEET 3)
4
-12V
RP3
3.3K
R140
3.92K
C68, 0.1
R135
2K
C61
100pF
R139
4.75K
+12V
C52, 100pF
6
14
C53
0.1
R134
3.01K
5
9
U18
8
MPQ6700
0.01
GND
R133
10K
R129
3.01K
C57, 0.1
1
18
4
RP5
150
SAMPL/HOLD (SHEET 1)
ARGT
NRZI RD
DATA OUT
3
C47, 0.1
2
1
+5V
7
23
+5V
5
12
2
NC
NC
1
R/W CLK
WR PRE
17
COMP
12
+5V
1
7
U22
74LS123
11
9
+5V
MECH
SECTOR
PULSE 33
U15
25
R-OT
RW/LST
26
DEC
32
R-RS
SECTOR PULSE
36
SAMPLE HOLD
34
ODD/EVEN
NRZI WR
39
N.U.
DATA IN
31
VCO RS
N.U.
23
VCO (2F) IN
PCMP TP
6
10
VCO
30
DELAY
R126
56K
C45, 510pF
38
RP3
3.3K
6
2
SECTOR
TP4
WR PROT/ 37
INDEX
11
RP5
150
24
+5V
WRT GT
C75
15pF
INDEX
-12V
TP5
Lisa Widget
Read/Write Circuit
Sheet 4 of 4
C62, 0.1
RD GT (SHEET 3)
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