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9–11
SPG 422 Service Manual
ED[0..7]
EA[0..14]
H2
1
H1
1
ED[0..7]
EA[0..14]
ED0
ED1
ED2
ED3
ED4
ED5
ED6
ED7
(EDEN1)
EW/R
SCBD0
SCBD1
SCBD2
SCBD3
SCBD4
SCBD5
SCBD6
SCBD7
SCBH0
SCBH1
SCBH2
SCBH3
SCBH4
A1
2
B1
18
A2
3
B2
17
A3
4
B3
16
A4
5
B4
15
A5
6
B5
14
A6
7
B6
13
A7
8
B7
12
A8
9
B8
11
G
19
DIR
1
U32
74HCT245
SERIAL BARS RAM
SCBD0
SCBD1
SCBD2
SCBD3
SCBD4
SCBD[0..9]
SCBD[0..9]
A0
21
A1
23
A2
24
A3
25
A4
26
A5
1
A6
2
A7
3
A8
4
A9
5
A10
6
A11
7
A12
8
WE
27
CE
20
OE
22
A13
9
A14
10
IO0
11
IO1
12
IO2
13
IO3
15
IO4
16
IO5
17
IO6
18
IO7
19
U26
5C2568
E1
4
NC
NC
NC
NC
SCBD5
SCBD6
SCBD7
SCBD8
SCBD9
A0
21
A1
23
A2
24
A3
25
A4
26
A5
1
A6
2
A7
3
A8
4
A9
5
A10
6
A11
7
A12
8
WE
27
CE
20
OE
22
A13
9
A14
10
IO0
11
IO1
12
IO2
13
IO3
15
IO4
16
IO5
17
IO6
18
IO7
19
U27
5C2568
NC
NC
NC
NC
NC
NC
(ROE)
(RCE1)
SCBD8
SCBD9
SCBH5
SCBH6
SCBH7
SCBH8
SCBH9
SCBH10
SCBS0
SCBS1
SCBS2
SCBS3
SCBH0
SCBH1
SCBH2
SCBH3
SCBH4
SCBH5
SCBH0
SCBH1
SCBH2
SCBH3
SCBH4
SCBH5
(RWE)
A1
2
B1
18
A2
3
B2
17
A3
4
B3
16
A4
5
B4
15
A5
6
B5
14
A6
7
B6
13
A7
8
B7
12
A8
9
B8
11
G
19
DIR
1
U33
74HCT245
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
U30
74HCT244
EA0
EA1
EA2
EA3
EA4
EA5
ED0
ED1
ED2
ED3
ED4
ED5
ED6
ED7
(EDEN2)
EW/R
EW/R
G5
1
SCBSEL0
SCBSEL1
SCBSEL2
IO4
4
IO5
5
IO6
6
IO8
8
IO9
9
IO10
10
IO11
11
IO12
12
IO14
14
IO15
15
IO16
16
IO17
17
IO18
18
IO21
21
IO22
22
IO23
23
IO24
24
IO25
25
IO27
27
IO28
28
IO29
29
IO30
30
IO31
31
IO33
33
IO34
34
IO35
35
IO36
36
IO37
37
IO39
39
IO40
40
IO41
41
IO44
44
IO45
45
IO46
46
IO48
48
IO49
49
IO50
50
IO51
51
IO54
54
IO55
55
IO56
56
IO57
57
IO58
58
IO60
60
IO61
61
IO62
62
IO63
63
IO64
64
IO65
65
GND
82
GND
72
GND
59
GND
47
VCC
78
VCC
66
VCC
53
VCC
43
IN/GCLK
83
IN/OE1
84
IN/OE2
2
IN/GCL
1
IO20
20
IO67
67
IO68
68
IO69
69
IO70
70
IO71
71
IO73
73
IO74
74
IO75
75
IO76
76
IO77
77
IO79
79
IO80
80
IO81
81
GND
7
GND
19
GND
32
GND
42
VCC
3
VCC
13
VCC
26
VCC
38
IO52
52
U34
EPM7128
(SCBR)
ED0
ED1
ED2
ED3
SCBCLK
_PRESET
SCBR
G4
1
& DECODING PLD'S
FIELD COUNTERS,
HORIZONTAL,
VERTICAL,
(SCBD)
SCBCLK
IO4
4
IO5
5
IO6
6
IO8
8
IO9
9
IO10
10
IO11
11
IO12
12
IO14
14
IO15
15
IO16
16
IO17
17
IO18
18
IO21
21
IO22
22
IO23
23
IO24
24
IO25
25
IO27
27
IO28
28
IO29
29
IO30
30
IO31
31
IO33
33
IO34
34
IO35
35
IO36
36
IO37
37
IO39
39
IO40
40
IO41
41
IO44
44
IO45
45
IO46
46
IO48
48
IO49
49
IO50
50
IO51
51
IO54
54
IO55
55
IO56
56
IO57
57
IO58
58
IO60
60
IO61
61
IO62
62
IO63
63
IO64
64
IO65
65
GND
82
GND
72
GND
59
GND
47
VCC
78
VCC
66
VCC
53
VCC
43
IN/GCLK
83
IN/OE1
84
IN/OE2
2
IN/GCL
1
IO20
20
IO67
67
IO68
68
IO69
69
IO70
70
IO71
71
IO73
73
IO74
74
IO75
75
IO76
76
IO77
77
IO79
79
IO80
80
IO81
81
GND
7
GND
19
GND
32
GND
42
VCC
3
VCC
13
VCC
26
VCC
38
IO52
52
U25
EPM7128
C2
8
G4
1
& DECODING PLD'S
FIELD COUNTERS,
HORIZONTAL,
VERTICAL,
(SCBFRN)
(SCBFRP)
F1
8
(SCBFRN)
+5V
+5V
R48
332
R49
475
R50
332
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
ED4
ED5
ED6
ED7
EA0
EA1
(SCBR)
ER/W
H2
1
NC
NC
NC
NC
NC
NC
NC
NC
NC
SCBD0
SCBD1
SCBD2
SCBD3
SCBD4
SCBD5
SCBD6
SCBD7
SCBD8
SCBD9
PAL_NTSC
SCBSEL3
SCBSEL4
INITRAM
EA6
EA7
EA8
EA9
EA10
EA11
EA12
EA13
EA14
(SCBR)
(SCBR)
(SCBR)
(SCBR)
NC
(ROE)
(RCE2)
SCBH6
SCBH7
SCBH8
SCBH9
SCBH10
SCBS0
SCBS1
SCBS2
SCBS3
SCBH6
SCBH7
SCBH8
SCBH9
SCBH10
SCBS0
SCBS1
SCBS2
SCBS3
(RWE)
1A1
2
1Y1
18
1A2
4
1Y2
16
1A3
6
1Y3
14
1A4
8
1Y4
12
2A1
11
2Y1
9
2A2
13
2Y2
7
2A3
15
2Y3
5
2A4
17
2Y4
3
1G
1
2G
19
U31
74HCT244
NC
NC
SCBS0
SCBS1
SCBS2
D0
3
Q0
2
D1
4
Q1
5
D2
7
Q2
6
D3
8
Q3
9
D4
13
Q4
12
D5
14
Q5
15
D6
17
Q6
16
D7
18
Q7
19
OC
1
CLK
11
U35
74HCT374
SCBV0
SCBV1
SCBV2
A0
11
A1
10
A2
9
A3
8
A4
7
A5
6
A6
5
A7
4
A8
29
A9
28
A10
24
A11
27
A12
3
A13
30
A14
31
A15
2
CE
23
OE/VPP
25
D0
13
D1
14
D2
15
D3
18
D4
19
D5
20
D6
21
D7
22
GND
16
VCC
32
NC 12
NC 26
DU 1
DU 17
U36
27C512
TIMING REFERENCE
SIGNAL GENERATOR
NC
NC
NC
NC
NC
NC
NC
NC
NC
SCBH0
SCBH1
SCBH2
SCBH3
SCBH4
SCBH5
SCBH6
SCBH7
SCBH8
SCBH9
SCBH10
SCBV0
SCBV1
SCBV2
(VLATCH)
+5V
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
(RWE)
(RCE2)
(RCE1)
(ROE)
PAL_NTSC
(EDEN1)
(EDEN2)
SCBSEL0
SCBSEL1
SCBSEL2
SCBSEL3
SCBSEL4
INITRAM
SCBR
(SCBFRP)
+5V
R51
475
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
_PRESET
SCBR
NC
NC
NC
NC
SCBV3
SCBV4
SCBV5
SCBV6
SCBV7
SCBV8
SCBF0
NC
NC
SCBV3
SCBV5
SCBV4
SCBV6
SCBV7
SCBV8
SCBF0
SCBSEL0
SCBSEL1
SCBSEL2
SCBSEL3
PAL_NTSC
(VLATCH)
SCBR
SCBR
SCBSEL4
+5V
NC
NC
NC
NC
SCBS3
12
74
75
1
11
84-PIN
84-PIN PLCC
32
54
53
33
TOP VIEW
SPG 422 Component Digital Sync Generator
SERIAL VIDEO GENERATION
PART OF A2 DIGITAL BOARD
3
Summary of Contents for SPG 422
Page 4: ......
Page 14: ...Service Safety Summary x SPG 422 Service Manual B034000 and above ...
Page 17: ......
Page 62: ......
Page 67: ......
Page 92: ......
Page 96: ...Performance Verification 4 4 SPG 422 Service Manual B034000 and above ...
Page 102: ...Performance Verification 4 10 SPG 422 Service Manual B034000 and above ...
Page 136: ...Performance Verification 4 44 SPG 422 Service Manual B034000 and above ...
Page 137: ......
Page 144: ......
Page 158: ...Maintenance 6 14 SPG 422 Service Manual B034000 and above ...
Page 159: ......
Page 162: ......
Page 223: ...9 3 SPG 422 Service Manual SPG 422 Component Digital Sync Generator FRONT PANEL 1 ...
Page 224: ...SPG 422 Service Manual 9 4 ...
Page 226: ...SPG 422 Service Manual 9 6 A2 Digital Board Static Sensitive Devices See Maintenance Section ...
Page 227: ...9 7 SPG 422 Service Manual SPG 422 Component Digital Sync Generator CPU 1 ...
Page 228: ...SPG 422 Service Manual 9 8 A7 Serial Filter ...
Page 229: ...9 9 SPG 422 Service Manual SPG 422 Component Digital Sync Generator CPU I O 2 ...
Page 230: ...SPG 422 Service Manual 9 10 ...
Page 232: ...SPG 422 Service Manual 9 12 ...
Page 234: ...SPG 422 Service Manual 9 14 ...
Page 236: ...SPG 422 Service Manual 9 16 ...
Page 238: ...SPG 422 Service Manual 9 18 ...
Page 239: ...9 19 SPG 422 Service Manual SPG 422 Component Digital Sync Generator 108 MHz OSCILLATOR 7 ...
Page 240: ...SPG 422 Service Manual 9 20 ...
Page 241: ...9 21 SPG 422 Service Manual SPG 422 Component Digital Sync Generator FINE PHASE 8 ...
Page 242: ...SPG 422 Service Manual 9 22 ...
Page 244: ...SPG 422 Service Manual 9 24 ...
Page 250: ...SPG 422 Service Manual 9 30 ...
Page 252: ...SPG 422 Service Manual 9 32 ...
Page 254: ...SPG 422 Service Manual 9 34 ...
Page 256: ...SPG 422 Service Manual 9 36 ...
Page 258: ...SPG 422 Service Manual 9 38 ...
Page 260: ...SPG 422 Service Manual 9 40 ...
Page 264: ...SPG 422 Service Manual 9 44 ...
Page 265: ...9 45 SPG 422 Service Manual 53654 48 1018 2 94 4 7 857 PART OF A5 OPTION 1 BOARD ...
Page 266: ...SPG 422 Service Manual 9 46 ...
Page 268: ...SPG 422 Service Manual 9 48 ...
Page 270: ...SPG 422 Service Manual 9 50 ...
Page 274: ...SPG 422 Service Manual 9 54 ...
Page 276: ...SPG 422 Service Manual 9 56 ...
Page 277: ......
Page 278: ......
Page 286: ...SPG 422 Service Manual 10 8 ...