LC-60/70LE660U,C6600U
6 – 1
LC-60LE660U
Service Manual
CHAPTER 6.
TROUBLESHOOTING TABLE
[1] Failure diagnosis by LED in front of cabinet
[2] LED flashing specification at the time of an error (Power and Timer icon LED used)
1. Display method
• Since Power and Timer icon LED can be used, slow flashing and fast flashing are combined.
• After recovering from an error, if the same error cannot be generated again, refer to MONITOR ERR CAUSE on the adjustment process mode.
2. LED flashing method
Error flashing
Table 1. Concrete flashing pattern
*1: When there is no SLEEP/OPC LED, use another LED.
*2: They depend on the system. Power supply error is defined from product to product.
*3: For details, refer to ERROR STANDBY CAUSE on the process screen.
*4: If the boot section is abnormal, there is no flashing (flashing impossible).
Item
Detail display
Cause
POWER indicator
TIMER indicator (*1)
Inverter/Lamp system failure
Flashes once
Flashes once
Lamp error
Power PWB
failure
(Power failure, etc.)
Flashes twice
Flash once
Power supply error 1 (*2) AC_DET error
Flash twice
Power supply error 2 (*2) UR+13.5V error
Flash 3 times
Power supply error 3 (*2) D+3.3V error
Flash 5 times
Power supply error 5 (*2) Panel power supply
error
Flash 6 times
Power supply error 6 (*2) DRC power supply
error
Flash 7 times
Power supply error 7 (*2) FRC power supply
error
Main PWB
failure
(Communication
failure, etc.)
Flashes 3 times
Flashes once
Initial communication error
Flashes twice
Start-up confirmation communication error
Flashes 3 times
Regular communication error
Flashes 5 times
Other communication error
Others
Flashes 4 times
Flashes once
Temperature error
Flash twice
Synchronism error
Flashes 3 times
Notification from the main microprocessor (*3)
VerUP executing
Green flashes continuously.
OFF
Sub microcomputer version upgrading
VerUP succeeded
POWER (Green) and SLEEP/OPC(*1) flash alternately.
Sub microcomputer version upgrade succeeded
VerUP failed
Green flashes fast.
OFF
Version upgrade failed
ROM data failure
Green flashes fast.
OFF
Start-up after failing version upgrade (*4)
No
Yes
No
Yes
No
Yes
Is the Power and Timer Icon flashing?
START
Is the Power Icon lighting
When AC plug on?
Is the Backlight lighting?
Check "[2] LED flashing specification at the time of an error (Power and Timer icon LED used)".
Check Power-Unit and AC-cable.
Check "
LED Backlight does not turn on.".
Check "
Picture does not display.".
㪊㪇㪇㫄㫊
㪊㪇㪇㫄㫊
㪈㪌㪇㪇㫄㫊
10
1((
10
1((
POWER indicator
TIMER indicator
Summary of Contents for Aquos LC-60C6600U
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