Service manual

8.26. SYSTEM EEPROM
SYSTEM EEPROM
RESET# Circuit
H : Normal Download
L : Write Protect EEPROM
SYSTEM EEPROM
NEW USB DOWNLOAD I/F
GPIO4
SYSROMWP
SCL
SDA
DLSW2
TXD
PCRXD
DTVU0RX
RXD
PCTXD
PCRXD
DLSW2
DLSW1
DLSW1
DTVU0TX
URST_1
GPIO4
RXD
TXD
PCRXD
PCTXD
DLSW2
DLSW1
DTVU0TX
DTVU0RX
SCL
SDA
PCTXD
SCL0
SDA0
SCL0
SDA0
RXD
TXD
SDA0
SCL0
URST_1
URST_1 3
GPIO4 3
TXD 3
RXD 3
PCRXD 22
PCTXD 22
DLSW1 22
DLSW2 22
DTVU0RX 12
DTVU0TX 12
SCL 3,10,13,23
SDA 3,10,13,23
SCL0 3
SDA0 3
SB33B
SB33B
5VSB
SB33B
SB33B
SB33B
+
C741
100U/16V
R503
4.7K
R513 0
R846
10K
R484
10K
R489
47K
C742
0.1U
R487 10K
D137
LL4148
E
B
C
SOT
23
Q123
MMBT3904
1
3
2
R485
10K
R490
47K
R486
20K
I144
EEPROM 24C16
SOP8/SMD
1
2
3
4 5
6
7
8
NC
NC
NC
GND SDA
SCL
WP
VCC
R488
(NC)10K
P115
(NC)6x1 W/HOUSING
6P200VM
1
2
3
4
5
6
R482
(NC)R
E
B
C
SOT
23
Q124
MMBT3904
1
3
2
C791
NC
R483
10K
TP72
R845
10K
R425
4.7K
I143
CD4052
SOP16/SMD
1
2
3
4
5
6
7
8 9
15
14
13
11
12
16
10
B0
B2
BN
B3
B1
INH
VEE
GND S1
A2
A1
AN
A3
A0
VCC
S0
R512
0
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