Error Monitor And Detection - Sony KL-37W2U Service Manual

KL-37W2/37W2K
KL-50W2/50W2K/50W2U

3-3. ERROR MONITOR AND DETECTION

In the menu 'Error Monitor', information about the error status of
the set is displayed.
• Actual operating time
• Last five errors which are stored in the NVM
• Actual error
Erroe Monitor
Operating Time
000355 h 35min
Saved Errors
1. 40h=D1 Board
2. 60h=Q Board
3. 70h=T Board
4. 00h=no error occured
5. 00h=no error occured
Actual Error
-> 00h=no error occured
to reset the NVM press 'TT' 65
Additionally the Error Reader can be connected to the service con-
nector to read out the actual errors.
The device check itself is active while the TV set is running out of
stand-by mode. The devices are checked by sending an I
sequence and if there is no acknowledgement back from the de-
vices it is regarded as an error. Each device is checked three times
and if at every attempt there is no reply from the relevant device an
error is given. To read the error codes press 'TT' followed by 22
on the commander to view the Error Monitor menu.
To reset the error codes in the NVM press 'TT' followed by 65 on
the remote commander.
TABLE OF ERROR CODES
Error
Device
Code
000h no device
001h IIC 1 and IIC 2
002h IIC 1
003h IIC 2
010h A Board
020h A1 Board
BX-Board
030h
(B, B1, B2)
040h D1 Board
050h J Board
060h Q Board
070h T Board
011h CXP85332
012h ST24C16
RM-838
RM-838
Description
no error has occured
IIC 1 and IIC 2 blockaded
IIC 1 is blockaded
IIC 2 is blockaded
A Board is defective
A1 Board is defective
B, B1, or B2 Board is
defective
D1 Board defect
J Board defect
Q Board defect
T Board defect
No response from the
Subcontroller
No response from the NVM
Error
Device
Code
013h SDA5273
014h TDA6812
015h SAA7283
016h UV916H
017h CXA1839Q
018h
CXA1840
019h RGB8443
021h TDA6622
022h TDA7317
031h CXD2030R
032h CXD2031R
2 C start
033h CXD2032R
034h CXD2033R
035h CXD2035R
036h TDA9160
037h TDA9145
Board
041h CXA1526
–
–
051h CXA1855
–
–
061h 83C65202
–
UV1316/
071h
–
TSA5526
–
072h CXA1875
–
–
–
–
A
A
– 26 –
Description Board
No response from the
Megatext IC
No response from the
Sound Processor
No response from the
Nicam Decoder
No response from the Main
Tuner
No response from the Video
Controller
No response from the CRT
Driver
No response from RGB/
YUV
Audio processor of the
Center and Surround
channel in the case of
Dolby Prologic does not
respond.
No reponse from the
Equalizer.
No response from the
Digital Video
Processor.
No response from the Twin
Picture IC.
No response from the
Digital Sampling Rate
Converter.
No response from the
Picture in Picture IC.
No response from the
Aspect Converter.
No response from the
Chroma Decoder.
No response from the
Chroma Decoder (on
French models only.)
No response from the
Convergence IC.
No response from the AV-
Switch
No response from the Local
Controller.
No response from the
Subtuner.
No response from the Port
Expander.
A
A
A
A
A
A
A
A1
A1
B/B1
B1
B/B1
B
B/B1
B/B1
B2
D1
J
Q
T
T