Read Panasonic WJ-HDB502E Service Manual online
1
2
3
4
2
3
4
5V
GND
3.3V
GND
GND
GND
GND
GND
IC706
MICROPROCESSOR
MICROPROCESSOR
IC705
EEPROM
EEPROM
IC718
IC708(a)
IC709
CN2
1
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
10
11
12
13
14
11
12
13
14
TD+
TD–
TD–
RD+
NC
NC
NC
RD–
NC
NC
NC
LED1A
LED1C
LED2C
LED2C
LED2A
GND
GND
GND
CN705
TO
WJ-HD500
MAIN
BOARD
. . . CN202
10/100
BASE-T
PORT
TO
WJ-HD500
MAIN
BOARD
. . . CN201
A2
B2
A3
B3
A4
B4
A5
B5
A7
B7
A8
B8
A9
B9
B2
A3
B3
A4
B4
A5
B5
A7
B7
A8
B8
A9
B9
A10
B10
A12
B12
A13
B13
A14
B14
A15
B15
A16
B16
A18
B18
A19
B19
A20
B20
A21
B21
A23
B23
A24
B24
A25
B25
A27
B27
A28
B28
A29
B29
A30
B30
A31
B31
A32
B32
B10
A12
B12
A13
B13
A14
B14
A15
B15
A16
B16
A18
B18
A19
B19
A20
B20
A21
B21
A23
B23
A24
B24
A25
B25
A27
B27
A28
B28
A29
B29
A30
B30
A31
B31
A32
B32
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
SWAIT
SWE
SRD
SCS
RXD1
TXD1
RA
RB
TA
TB
N2H1
N2H2
N2H3
N2H4
H2N1
H2N2
H2N3
H2N4
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
SWAIT
SWE
SRD
SCS
RXD1
TXD1
RA
RB
TA
TB
N2H1
N2H2
N2H3
N2H4
H2N1
H2N2
H2N3
H2N4
SWE
SRD
SCS
SCS
SWE
SRD
SCS
N2H1
N2H2
N2H3
N2H4
H2N1
H2N2
H2N3
H2N4
N2H1
N2H2
N2H3
N2H4
H2N1
H2N2
H2N3
H2N4
N2H2
N2H3
N2H4
H2N1
H2N2
H2N3
H2N4
BD0
BD1
BD2
BD3
BD4
BD5
BD6
BD7
BD8
BD9
BD10
BD11
BD12
BD13
BD14
BD15
BD1
BD2
BD3
BD4
BD5
BD6
BD7
BD8
BD9
BD10
BD11
BD12
BD13
BD14
BD15
BA1
BA2
BA3
BA4
BA5
BA6
BA7
BA8
BA9
BA10
BA11
BA12
BA13
BA14
BA15
BA16
BA17
BA18
BA2
BA3
BA4
BA5
BA6
BA7
BA8
BA9
BA10
BA11
BA12
BA13
BA14
BA15
BA16
BA17
BA18
CN1
+5V
nWAIT
PSDMON
SRST
DRAM5
WAIT
+3V
DI
DO
#SK
#CS
R/#B
PB4/SRXD1/TXD2
PB5/SRS1/RXD2
PB6/SRCK1/SCK2
PB3/STCK1/TIOCA0
PA5/STXD0
5
6
4
4
3
1
16
14
15
14
15
56
62
61
60
59
58
57
45
44
47
48
49
50
54
1
64
51
55
62
61
60
59
58
57
45
44
47
48
49
50
54
1
64
51
55
208
207
206
205
204
203
201
199
198
197
196
195
194
192
190
189
188
187
207
206
205
204
203
201
199
198
197
196
195
194
192
190
189
188
187
TPOP
TREF
TPON
TREF
TPON
TX_ER
TXD3
TXD2
TXD1
TXD0
TXD2
TXD1
TXD0
TX_EN
TX_CLK
MDC
MDIO
RXD3
RXD2
RXD1
RXD0
RXD2
RXD1
RXD0
RX_CLK
CRS
COL
RX_DV
RX_ER
TXER
ETXD3
ETXD2
ETXD1
ETXD0
ETXD2
ETXD1
ETXD0
TXEN
TXCLK
MDC
MDIO
ERXD3
ERXD2
ERXD1
ERXD0
RXCLK
ERXD2
ERXD1
ERXD0
RXCLK
CRS
COL
COL
RXDV
RXER
RXER
TXER
ETXD3
ETXD2
ETXD1
ETXD0
TXEN
TXCLK
MDC
MDIO
ERXD3
ERXD2
ERXD1
ERXD0
RXCLK
CRS
COL
RX-DV
RX-ER
ETXD3
ETXD2
ETXD1
ETXD0
TXEN
TXCLK
MDC
MDIO
ERXD3
ERXD2
ERXD1
ERXD0
RXCLK
CRS
COL
RX-DV
RX-ER
119
120
121
137
127
120
121
137
127
23
118
117
133
122
117
133
122
59
28
71
20
67
68
18
19
17
16
28
71
20
67
68
18
19
17
16
DRAM8
DRAM7
DRAM6
DRAM7
DRAM6
CNT6
DRAM4
DRAM3
DRAM2
DRAM1
DRAM0
DRAM5
DRAM3
DRAM2
DRAM1
DRAM0
DRAM5
SD0-SD15
SD0-SD31
SD0-SD31
SA2-SA13
SA1-SA22
BD0-BD31
SA1-SA16
BD0-BD15
BA1-BA3
BA1-BA16
BA2-BA5
BA1-BA20
BD0-BD15
BD0-BD7
FD0-FD7
BD16-BD31
DQM3
DQM2
DQM1
DQM2
DQM1
#CS3
CKE
CLK
#CAS
#RAS
#RAS
#WE
DQM0
D0-D31
#RD
#CS2
#RES
VSA
#RES
V/#RES
A1-A22
TPIP
TPIN
1
2
164
162
165
10
11
11
21
20
23
20
23
LEDR
VCCD
LEDL
VCCD
LEDL
XI
42
9
40
12
RESET
16
29
30
6
7
PA4/FTOA
182
#WAIT
115
163
180
IC704(B)
MONOSTABLE
MULTIVIBRATOR
MONOSTABLE
MULTIVIBRATOR
#Q2
B2
9
4
2
8
11
1
1
9
2
d
T701
IC717
2,4,5,7,8,10,11,13,
31,33,34,36,37,39,
40,42,45,47,48,50,
51,53,54,56,74,76,
77,79,80,82,83,85
31,33,34,36,37,39,
40,42,45,47,48,50,
51,53,54,56,74,76,
77,79,80,82,83,85
34,
36-41,
43,44,
46-49,
51,
53-57,
59,
62-65,
68,
70-75,77
8
82-88,90,92-98,
100,102-107
EXTAL
19
22-27,60-66
DQ0-DQ31
A0-A9,
PA/A10,
A11,A12
DQMUU/WE3
DQMUL/WE2
DQMUL/WE2
DQMLL/WE0
RD/WR
#RAS
#CAS/OE
CKIO
CKE
#CS
DQMUL/WE1
IC713
SDRAM
SDRAM
26,27,29,30,
32,33,35-38,
40,41,43,44,
46,47
32,33,35-38,
40,41,43,44,
46,47
2,3,5,6,8,
9,11-14,
16,17,19,
20,22,23
9,11-14,
16,17,19,
20,22,23
128
136
PB7/STDX2/TIOCB2/TCLKD
161
#IRL0
4
#IRL1
3
PA2/LNKSTAE
184
PA1/EXOUT
185
CKP0/FTOB
183
2,3,5,6,8,
9,11-14,
16,17,19,
20,22,23
9,11-14,
16,17,19,
20,22,23
1A1-1A8
2A1-2A8
IC746
TRANSCEIVER
TRANSCEIVER
SD16-SD31
26,27,29,30,
32,33,35-38,
40,41,43,44,
46,47
32,33,35-38,
40,41,43,44,
46,47
1B1-1B8
2B1-2B8
PB2/STS/TIOCB
166
2
3-10
15-22
DIR
1
1DIR
24
2DIR
38-40,43-49,
52-57,60-65,
52-57,60-65,
68-74,77-79
3
4-7
8
7
6
1
2
3
4
5
80
81
82
89
88
87
86
85
9
10
11
15
15
14
13
12
CD0-CD31
IC712
FAST ETHERNET
TRANSCEIVER
FAST ETHERNET
TRANSCEIVER
CA2-CA5
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
26,27,29,
30,32,33,
30,32,33,
35-38,40,
41,43,44,
46,47
2,3,5,6,8,
9,11-14,
16,17,19,
20,22,23
9,11-14,
16,17,19,
20,22,23
1A1-1A4
2A1-2A4
3A1-3A4
4A1-4A4
IC748
BUFFER
BUFFER
1Y1-1Y4
2Y1-2Y4
3Y1-3Y4
4Y1-4Y4
2
12
11
R
IC702
RECEIVER
RECEIVER
A
B
SA17-SA21
BA17-BA21
41,43,44,
46,47
2,3,5,6,8
9
1A1-1A4
2A1
36
3A1
35
3A2
33
3A3
32
19
20
22
23
3A4
3Y1
3Y2
3Y3
3Y4
IC749
BUFFER
BUFFER
1Y1-1Y4
2Y1
2Y2
11
2Y3
12
2Y4
13
3Y1
14
3Y2
16
3Y3
17
3Y4
30
4A1
29
4A2
27
4A3
26
4A4
29-36,38-45
1-9,16-25,
48
48
DQ0-DQ14
A-1/DQ15
11
#WE
28
#OE
IC715
FLASH MEMORY
FLASH MEMORY
D704
D703
D701
D707
D705
D702
D708
D706
SW706
A0-A19
2-9
25
D0-D7
18
#CS
24
#RD
21
MR
34
INTR1
17
INTR2
IC730
SIN2
11
10,14,15
XIN
A0-A2
26
SOUT2
1DIR
2DIR
NRD
12
CK
22
SBSY
23
EBSY
#CS4
138
PB1/SRXD1/TIOCC0/TCLKA
168
PB9/STCK2/TIOCB1/TCLKC
159
PB10/SRXD2/TIOCA1
158
PB11/SRS2/CTS/STAT0
156
PA8/STDX0
176
PA9/STS0
175
PA10/STCK0
174
PA11/SRXD0
173
PA0/EXPOSE
186
9
NCS
2
NWE
27
NWAIT
1
1DIR
24
2DIR
23
#G
IC746
TRANSCEIVER
TRANSCEIVER
A0-A7
B0-B7
1A1-1A8
2A1-2A8
IC747
TRANSCEIVER
TRANSCEIVER
1B1-1B8
2B1-2B8
+5V
+3V
X708
X705
IC750
N2H1
H2N1
SRST
MR
4
1
2
IC708(e)
IC709
IC709
IC707
RESET
10
1
8
12
11
IC708(f)
13
12
IC708(d)
9
8
2
7
6
13
f
a
IC709
11
10
e
nWAIT
16
CHSL
CNT0
N2H1
#CS1
135
CNT4
N2H2
N2H3
N2H4
H2N1
H2N2
H2N3
H2N4
PB14/RXD1
152
PB13/TXD1
153
MSI1
MSI2
12
#RESET
DRAM5
20
#WR
MR
24
NRESET
SRST
15
RY/#BY
#CS0
134
26
#CE
8
+3V
7
6
1
2
3
4
5
90
93
94
99
28
29
30
31
32
35
36
37
98
97
96
95
9
10
11
15
15
14
13
12
PA8
PA9
PA10
PA11
PA12
PA13
PA14
PA15
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
SW705
WAIT
39
SIN1
5
2
12
9
10
11
D
R
4
DE
IC703
DRIVER
DRIVER
A
Y
Z
B
MSI2
MSI1
MSI1
N2H1
N2H2
N2H3
40
2A2
38
2A3
37
2A4
DRAM5
CNT0
CNT4
N2H4
H2N1
H2N2
H2N3
H2N4
PSDMON
X710
NETWORK BOARD
– 1 –
BLOCK DIAGRAM
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