Panasonic WJ-HD500 Service Manual page 22

MAIN BOARD (4/10)/(5/10)
MDAT0-MDAT15
MDAT (0-31)
MRD,MWE0,MRDWR
MCTL (20-22)
CN201
OPEN
A1 A2
A2 B2
MADR1-MADR18
A3 A3 MADR (0-25)
A4 B3
A4
A5
A6 B4
A7 A5
B5 A1-A18
A8
A9 A7
A10 B7
D0-D15
A11 A8
A12 B8
A13 A9
A14 B9
A15 A10
B10
A16
A17 A12
A18 B12
D0 A13
D1 B13
D2 A14
D3 B14
D4 A15
IC827
B15
D5
3 4
D6 A16
b
D7 B16
IC827
A18
D8
1 2
D9 B18 a
D10 A19
D11 B19
IC212(a) D-FF
D12 A20
2
D1
IC827
D13 B20
3
5 6
D14 A21 c
CLK1
D15 B21
A23
SWAIT
4 2
IC213(a) D-FF
SWE B23
2
IC210
SRD A24
D1
SCS B24
3
CLK1
X201
RXD1 A25 TXD1 (1/10)
#R1
RXD1 (1/10)
TXD1 B25
1
RA A27 TA485 (6/10)
STRST (3/10)
TB485 (6/10)
RB B27
RESET
A28 RA485 (6/10)
TA
TB B28 RB485 (6/10)
AB (1,2), ASTBB (1,2)
N2H1 (3/10)
N2H1 A29
ASCKB (1,2)
B29 N2H2 (3/10)
N2H2
N2H3 A30 N2H3 (3/10) CAENB,CWEB,COEB,CBSYB
N2H4 (3/10) JCB (0-7)
N2H4 B30
H2N1 A31 NICRST (3/10)
AA (1,2),ASTBA (1,2)
H2N2 B31 H2N2 (3/10)
ASCKA (1,2)
H2N3 (3/10)
H2N3 A32
H2N4 B32 H2N4 (3/10)
CAENA,CWEA,COEA,CBSYA
JCA (0-7)
BLOCK DIAGRAM OF MAIN BOARD (4/10)/(5/10)
IC201 GATE ARRAY
61-65,67-72,80-84
CD0-CD15
MAL0-MAL13
MRD 85
RD
MCS0
MWE0 86
WE
RASL
CASL
88-92,97-109
CA0-CA17 MWEL
DQM
32-35,43-56
SCA0-SCA17
7,8,15-18,21-30
SCD0-SCD15
MAH0-MAH13
36
SWAIT
59
SWE
60
SRD
31
RASH
SCS
74
CASH
RESET
RESET
MWEH
79
STIRQ (1/10)
IREQ
87
STRCS (1/10)
CS
93
STWAIT (1/10)
WAIT
126
FPIPLY (10/10)
FPB
148
FPIREC (10/10)
FPA
MD16-MD31
CLK
41
MD0-MD15
CKI
STCLK
DA0-DA15
STCLK (1/10)
IC212(b) D-FF
SDRWA
5 9
12CCLK (2/10) SDDSA
Q1 D2 Q2
SDACKA
6 11 8
#Q1 CLK2 #Q2
SDREQA
129
ASCKB1
ASCKB2 135
ASCKB2
AB1 127
5 ASCKB1
AALAB1
Q1
AB2 130
AARAB2
6
ASTBB1 128
#Q1
ASTRBB1
ASTBB2 131
ASTRBB2
DB0-DB15
CAENB 122
VAENB
CWEB 123
VWEB
COEB 124 SDRWB
VOEB
CBSYB 125 SDDSB
VBSYB
JCB0-JCB7 110-112,117-121
SDACKB
VB0-VB7
SDREQB
AA1 149
AALAA1
AA2 156
AARAA2
ASTBA1 150
ASTRBA1
ASTBA2 157
ASTRBA2
ASCKA1 155
ASCKA1
ASCKA2 158
ASCKA2
CAENA 144
VAENA
CWEA 145
VWEA
COEA 146
VOEA
CBSYA 147
VBSYA
JCA0-JCA7 136-143
VA0-VA7
IC203 SDRAM
2,4,5,7,8,10,11,13
3-6,292-295 20-26
42,44,45,47,48
297-302 29-35
50,51,53
A0-A13 DQ0-DQ15
MD0-MD15
38
CLK CLK
288
19
#CS
290 18
#RAS
291 17
#CAS
289 16
#WE
253 15
DQML
39
DQMU
SPCACS (1/10)
SRSTA (3/10)
5RDWR (2/10)
IC202 SDRAM
259-264 2,4,5,7,8,10,11,13
269-274 20-26 42,44,45,47,48
276,277 29-35 50,51,53
A0-A13 DQ0-DQ15
MD16-MD31
38
CLK
19
#CS
255 18
#RAS
17
258
#CAS
254 16
#WE
15
DQML
39
DQMU
208,211-217
220-226,231 MD16-MD31
232-237,240-245
249-252 MD0-MD15
159-162,164-170,173-177 DA0-DA15
178 SCNTA3
179 SCNTA2
180 SCNTA1
182 SCNTA0
SPCBCS (1/10)
SRSTB (1/10)
183-188,193-199
201,202,203
DB0-DB15
SCNTB3
204
205 SCNTB2
206 SCNTB1
207 SCNTB0
– 18 –
IC301
1,3-5,7,9-11,13,14
DA0-DA15 138,139,141-144
51,52,55,56
A1-A4
DMD0-DMD15
19,20,22-24,26-29,32-34,36-39
D0-D15
SCNTA3 135
DMR/#W
SCNTA2 133 101 DBA17
#DMLDS #UDBP
90 DBA16
132
#LDBP
#DMUDS
SCNTA1 129 103 DBA15
#DB15
#DACK
DBA14
SCNTA0 130 104
DREQ #DB14
105 DBA13
#DB13
106 DBA12
#DB12
48
#CS0 74 DBA11
127 #DB11
#RESET
75 DBA10
#DB10
46
R/#W
76 DBA9
#DB9
44
LDS (2/10)
#LDS 78 DBA8
42 #DB8
UDS (2/10)
#UDS
91 DBA7
#DB7
54
STCLK SCLK DBA6
92
#DB6
94 DBA5
#DB5
95 DBA4
#DB4
DBA3
96
#DB3
97 DBA2
#DB2
99 DBA1
#DB1
100 DBA0
#DB0
89 SCA8
#ATN SCA8
SCA7
87
#BSY SCA7
86 SCA6
#ACK
SCA6
85 SCA5
#RST SCA5
SCA4
84
#MSG
83 SCA3
#SEL
81 SCA2
#C/D
80 SCA1
#REQ
79 SCA0
#I/O
IC393
50 1
#INT 4
2
2
a
IC351 IC392
1
7 3
48 50
5
#CS0
#INT b
127
#RESET 51,52,55,56
A1-A4
46
R/#W
44 19,20,22-24,26-29,32-34,36-39
#LDS
D0-D15
42
#UDS
101 DBB17
54
#UDBP
SCLK
DBB16
90
#LDBP
1,3-5,7,9-11,13,14 103 DBB15
#DB15
138,139,141-144
104 DBB14
DMD0-DMD15
#DB14
DBB13
105
#DB13
106 DBB12
#DB12
74 DBB11
135
#DB11
DMR/#W
75 DBB10
133
#DB10
#DMLDS
76 DBB9
132
#DB9
#DMUDS
DBB8
78
129
#DB8
#DACK
91 DBB7
130
#DB7
DREQ
92 DBB6
#DB6
DBB5
94
#DB5
95 DBB4
#DB4
96 DBB3
#DB3
DBB2
97
#DB2
99 DBB1
#DB1
100 DBB0
#DB0
89 SCB8
#ATN
87 SCB7
#BSY
86 SCB6
#ACK
85 SCB5
#RST
84 SCB4
#MSG
83 SCB3
#SEL
81 SCB2
#C/D
80 SCB1
#REQ
79 SCB0
#I/O
5ADR1-5ADR4
5ADR (1-21)
5DAT0-5DAT15
5DAT (0-15)
CN301
DBA0
26 DBA0
DBA1
27 DBA1
DBA2
28 DBA2
DBA3
29 DBA3
DBA4
30 DBA4
Q341 DBA5
31 DBA5
TERM (6/10) DBA6
32 DBA6
DBA7
33 DBA7
DBA16
34 LDBP
SCA8
41 SCA8
SCA7
IC341 TERMINATOR
43 SCA7
SCA6
1
23 DBA5
44 SCA6
STANDBY SGLINE15
SCA5
22 DBA6
2
45 SCA5
SGLINE14 SGLINE16
SCA4
21 DBA7
3
46 SCA4
SGLINE13 SGLINE17
SCA3
4 20 DBA16
47 SCA3
SGLINE12 SGLINE18
SCA2
5
48 SCA2
SGLINE11
SCA1
49 SCA1
7
18 SCA0
SCA0
SGLINE10 SGLINE1
SCA0
50
8 17 SCA1
SGLINE9 SGLINE2
9 16 SCA2
TO
SGLINE8 SGLINE3
SCSI-IDE
10
15 SCA3
SGLINE7 SGLINE4
BOARD
11 14 SCA4
SGLINE6 . . . . CN3
SGLINE5
TO
EXTENSION
STORAGE
PORT
SPCIRQ (1/10)
6 5DAT0 IC391
1
SIRQCS (1/10)
4
5RD (2/10)
5DAT1
2
IC392
5ADR1-5ADR4
5ADR (1-21)
5DAT0-5DAT15
5DAT (0-15)
CN351
DBB0
26 DBB0
DBB1
27 DBB1
DBB2
28 DBB2
DBB3
29 DBB3
DBB4
30 DBB4
DBB5
31 DBB5
DBB6
32 DBB6
DBB7
33 DBB7
DBB16
34 LDBP
SCB8
41 SCB8
SCB7
SCB7
43
SCB6
44 SCB6
SCB5
45 SCB5
SCB4
46 SCB4
SCB3
47 SCB3
SCB2
48 SCB2
SCB1
49 SCB1
SCB0
50 SCB0
TO
COPY PORT