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4. Module Control
Check P302 SCL,SDA line S C L,SDA
line R330, R334
Y
Check the IIC To II C Test
- Debug Menu IIC Test
Y
Check the PDP Module Control
Board
1
SCL
0
SDA
Start
By
Master
SCL (continue)
SDA (continue)
Master : Image Board
Slave : PDP Module
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
N
N
N
0
0
1
1
Chip ID Address Byte
(0x1C)
9
1
D7
ACK
By Slave
Check Signal
Remove R330, R334
Check each IC sharing
IIC channel
Replace Module Control Board
9
0
W
1
Write
ACK
only
By Slave
D6
Command Data
for Addr
- 18 -
1
A7
A6
Command Address
Addr=A[7:0]
9
D0
ACK
Stop
By Slave
By Master
8
A1
A0
LGE Internal Use Only
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