Technics SX-PR1000, Руководство по обслуживанию

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AD
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9
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1
0
VSS VSS
VCC BYTE
CE
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11
DT
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9
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1
0
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IC304
QSIGX3C64010
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AD
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VSS VSS
VCC BYTE
CE
DE
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DT
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IC305
QSIGX3C64009
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AD
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VCC BYTE
CE
DE
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DT
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IC306
QSIGX3C64012
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AD
11
10
9
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5
4
3
2
1
0
VSS VSS
VCC BYTE
CE
DE
15
14
13
12
11
DT
10
9
8
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6
5
4
3
2
1
0
44
1
23 33
13 32
43
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3
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IC307
QSIGX3C64011
IC303
T7SZ32FUT85L
GND VCC
1 2 3 4 5
R314 470
R315 470
A
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B
B
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B
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U
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B
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D
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F
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V
U
A
B
C
D
E
F
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M
N
O
P
Q
R
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U
A
B
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D
E
F
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D
E
F
G
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Z323
220x4
Z322
220x4
Z320
220x4
Z318
220x4
Z326
220x4
Z325
220x4
Z324
220x4
Z321
220x4
Z319
220x4
R316
470
C316
0.1
C318
0.1
C315
0.1
JP301
C317
0.1
A B
B
+3.3D +5D
(2 INPUT OR GATE)
(64M BIT MASK ROM)
(64M BIT MASK ROM)
(64M BIT MASK ROM)
(64M BIT MASK ROM)
SCHEMATIC DIAGRAM-15
+3.3D
DE
I
JP302
SX-PR1000
MAIN 4/4 SCHEMATIC DIAGRAM