Panasonic PVD4742 - DVD/VCR DECK, Руководство по обслуживанию

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NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
PARTS ENCLOSED IN DASHED LINES MARKED "PT" ARE NOT USED.
NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
Pin No. I/O
I 1
Signal Name Description
VDD +3.6V
I/O 2 DQ0 SDRAM data 7
SDRAM data 6
SDRAM data 5
SDRAM data 4
SDRAM data 3
SDRAM data 1
SDRAM data 0
I/O
3
DQ1
-
4
VSSQ Ground
- VSSQ Ground
I/O 5 DQ2
I/O
6
DQ3 7
VDDQ +3.6V
I/O 8 DQ4
9
10
I/O 11 DQ6
I/O
12
DQ7
I
I
13
VDDQ +3.6V
I
14
LDQM Data input/output mask
I
15
/WE Write enable : low
I
16
/CAS Column address strobe : low
I
17
/RAS Row address strobe : low
I
18
/CS SDRAM chip select : low
SDRAM address 10
SDRAM address 0
SDRAM address 1
SDRAM address 2
SDRAM address 3
SDRAM address 4
SDRAM address 5
SDRAM address 6
SDRAM address 7
SDRAM address 8
SDRAM address 9
I
19
BA0
I BA1
I
20
A10
I
21
A0
I
22
A1
I
23
A2
I
24
A3
I
25
VDD +3.6V
I VDD +3.6V
-
26
VSS Ground
- VSS Ground
I
27
A4
I
28
A5
I
29
A6
I
30
A7
A8
I
31
I
32
A9
SDRAM address 11 I A11
-
33
NC (Not used)
(Not used)
(Not used)
(Not used)
(Not used)
-
34
CKE
I
35
CLK SDRAM clock
I
36
UDQM Data input/output mask
-
37
NC
(Not used) - NC
(Not used) - NC
(Not used) - NC
(Not used) - NC
DVD Ready (Busy : low) I RDY/BSY
I
38
VDDQ +3.6V
I/O
39
DQ8 SDRAM data 8
SDRAM data 9
SDRAM data 10
SDRAM data 11
SDRAM data 12
SDRAM data 13
SDRAM data 14
SDRAM data 15
I/O
40
DQ9
-
41
VSSQ Ground
Ground
I/O
42
DQ10
I/O
43
DQ11
I
44
VDDQ +3.6V
I/O
45
DQ12
I/O
46
DQ13
-
47
VSSQ
I/O
48
DQ14
I/O
49
DQ15
-
50
VSS Ground
51
52
53
54
Pin No. I/O Signal Name Description
I/O CHART OF IC8100
I/O
I
Signal Name Description
A11 Memory address 12
Memory address 10
Memory address 9
Memory address 14
Memory address 15
Memory address 19
Memory address 16
Memory address 16
Memory address 13
Memory address 8
Memory address 7
Memory address 6
Memory address 5
Memory address 4
Memory address 3
Memory address 2
Memory address 1
Memory address 11
Memory data 0
Memory data 1
Memory data 2
Memory data 3
Memory data 4
Memory data 5
Memory data 6
Memory data 7
Memory address 18
I A9
I A8
I A13
I A14
I A17
I /WE Write enable : low
I /RST Reset : low
I VCC +5.0V
I A18
I A16
I A15
I A12
I A7
I A6
I A5
I A4
I A3
I A2
I A1
I A0
I/O DQ0
I/O DQ1
I/O DQ2
- VSS Ground
- VSS
- /BYTE Ground
Ground
I/O DQ3
I/O DQ4
I/O DQ5
I/O DQ6
I/O DQ7
Memory data 8
Memory data 9
Memory data 10
Memory data 11
Memory data 12
Memory data 13
Memory data 14
Memory address 0
I/O DQ8
I/O DQ9
I/O DQ10
I/O DQ11
I/O DQ12
I/O DQ13
I/O DQ14
I/O DQ15A-1
I /CE
A10
Memory chip select : low
I
I /OE Output enable : low
SDRAM data 2 I/O DQ5
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
I/O CHART OF IC8301
PV-D4742
I/O CHART OF IC8301, 8100
I/O CHART OF IC8301 I/O CHART OF IC8100