Customer Oriented R&D
Breakthrough
Module Control Trouble Shooting
“TILT” on Adjust Remocon
: PDP internal pattern displays?
PDP Module Power is OK?
N
PDP Module is OK.
Check P202 SCL,SDA line SCL,SDA
line R244, R252
Check Signal
: X1 output
N
Y
SCL (continue)
SDA (continue)
ACK
By Slave
9
1
D0
D7
9
ACK
By Slave
Command Data
for Addr
Stop
By Master
D6
SCL
8
SDA
0
0
1
1
1
A7
W
Start
By
Master
Chip ID Address Byte
(0x1C)
ACK
By Slave
0
1
9
1
A6
A1
A0
Command Address
Addr=A[7:0]
0
Write
only
Master :
Image Board
Slave :
PDP Module
< Sample Signal on R244, R252 >
SCL
SDA
ACK
signal Check
Low :
OK
High :
Error
Replace X1
N
Check SMPS & cable
N
Y
Replace PDP Module
Summary of Contents for 50PK550
Page 28: ......
Page 38: ...Customer Oriented R D Breakthrough GPIO Structure ...
Page 39: ...Customer Oriented R D Breakthrough GPIO Structure ...
Page 40: ...Customer Oriented R D Breakthrough GPIO Structure ...
Page 46: ...Customer Oriented R D Breakthrough No OSD Trouble Shooting Module Power Sequence ...
