Read Sharp LC-65XS1E (serv.man3) Service Manual online
LC-52XS1E/RU/LC-65XS1E/RU
3 – 17
4) Communication unusual details (Power blue LED blinking once + OPC (reservation) LED blinking)
4') STB communication abnormal details (Power green LED blinking once + OPC (reservation) LED blinking)
5 Another abnormal details (Power blue LED blinking twice + OPC LED blinking)
5') STB another abnormal details (Power green LED blinking twice + OPC LED blinking)
Remarks
Kind of error
OPC LED operation (1 cycle)
Basically the log of the debugging print sentence is analyzed and it
analyzes it by the bus monitor the communication log.
analyzes it by the bus monitor the communication log.
Initial communi-
cation reception
abnormal
Blinking once
cation reception
abnormal
Blinking once
H: lighting
L: erase lighting
The first communication cannot be received. (Monitor part number
demand un-receiving.)
→communication line abnormal. Main CPU start trouble
demand un-receiving.)
→communication line abnormal. Main CPU start trouble
Start fixation
reception abnor-
mal
Blinking twice
reception abnor-
mal
Blinking twice
H: lighting
L: erase lighting
The start reason fixation from main CPU cannot be received.
(The start communication to the start reason notification command is
un received.)
→Main CPU start trouble. Monitor microcomputer reception trouble.
(The start communication to the start reason notification command is
un received.)
→Main CPU start trouble. Monitor microcomputer reception trouble.
Regular commu-
nication abnormal
Three time blink-
ing
nication abnormal
Three time blink-
ing
H: lighting
L: erase lighting
The regular communication done every second at the normal operation
becomes interrupted.
→Main CPU operation trouble. Monitor microcomputer reception trou-
ble
becomes interrupted.
→Main CPU operation trouble. Monitor microcomputer reception trou-
ble
Four time blinking
H: lighting
L: erase lighting
Other communi-
cation abnormal
Five time blinking
cation abnormal
Five time blinking
H: lighting
L: erase lighting
The request demand command doesn't come from main CPU to
demand (PM_REQ=H) by the monitor microcomputer.
→Main CPU operation trouble. Monitor microcomputer reception trou-
ble.
demand (PM_REQ=H) by the monitor microcomputer.
→Main CPU operation trouble. Monitor microcomputer reception trou-
ble.
Remarks
Kind of error
OPC LED operation (1cycle)
The pin is a monitor microcomputer pin.
Monitor tempera-
ture abnormal
ture abnormal
Blinking once
H: lighting
L: erase lighting
CAUTION display of 60
°C or more in temperature of panel by contin-
uation for 15 seconds or more (It depends on OSD (It is a red blinking
character in lower right).)
Error standby display of 60
character in lower right).)
Error standby display of 60
°C or more in temperature of panel by con-
tinuation for 25 seconds or more
(MONITOR MAX TEMP of process A on page 39/46: Change of
abnormal AD value of temperature):thermistor
(MONITOR MAX TEMP of process A on page 39/46: Change of
abnormal AD value of temperature):thermistor
Synchronization
abnormal
Blinking twice
abnormal
Blinking twice
H: lighting
L: erase lighting
FRC_DETECT(46pin) abnormal. Synchronizing signal abnormal.
Detection when operating (polling)
It is error standby at consecutive ten-time NG in a cycle of 100ms.
Detection when operating (polling)
It is error standby at consecutive ten-time NG in a cycle of 100ms.
Main microcom-
puter end demand
(main temperature,
others)
Three time blinking
puter end demand
(main temperature,
others)
Three time blinking
H: lighting
L: erase lighting
The state which received the forced-termination demand from a main
microcomputer.
microcomputer.
Details are described to the reason of the error of the process menu
of the main microcomputer.
of the main microcomputer.
* (only STB)
FAN error (only
STB)
Four time blinking
FAN error (only
STB)
Four time blinking
H: lighting
L: erase lighting
Five time blinking
H: lighting
L: erase lighting
Click on the first or last page to see other LC-65XS1E (serv.man3) service manuals if exist.