LC-46DH77E (serv.man5). Troubleshooting Table - Sharp TV Service Manual (repair manual). Page 15

LC-42DH77E/RU/S/V, LC-46DH77E/RU/S/V

4 – 15

MONITOR ERR STBY table

LED flashing timing chart at the time of the error

1) Power LED

Outline:

Communication/Power failure detected by the monitor microprocessor (IC2003) is stored on EEPROM, and the last 4 abnormal 
states can be confirmed in the adjustment process mode.

Location:

Page 1/16 of the adjustment process mode: MONITOR ERR CAUSE
“0” if there is no error. It is cleared to 0 on the last page of the adjustment process mode.

02

Start-up communication error 2

Initial communication from the main CPU is not received.

03

Start-up communication error 3

Only the initial communication is received.

04

Start-up communication error 4

Until panel information request reception

05

Start-up communication error 5

Until initialization completion reception

06

Start-up communication error 6

Until version notification transmission

07

Start-up communication error 7

Until start-up information notification transmission

08

Start-up communication error 8

Until start-up information response reception

09

Start-up communication error 9

Until time-out setting reception

0A

Communication error A

REQ time-out

0B

Communication error B

Restart time-out during the beginning of time acquisition start-up

0C

Communication error C

Ending sequence time-out

0D

Communication error D

Preset start-up time-out during completion

0E

Communication error E

Download start-up time-out

0F

Communication error F

Time acquisition time-out

11

Communication error H

Regular communication time-out

16

Panel-related error

Lamp failure

1A

Other error 2

Monitor temperature failure

1D

Power supply error 1

PS_ON(AC_DET) failure

1E

Power supply error 2

D_POW(DET_12V) failure

1F

Power supply error 3

D_POW(DET_D3V3) failure

21

Power supply error 5

Panel power failure

23

Other error 3

Error standby request from the main CPU

Inverter/Lamp fail-
ure
Red flashes once

H: Red on

Refer to “Inverter/Lamp failure details”. OPC_LED flashes by pressing the 
[MENU] key on the remote control.

L: Off

Power failure
Red flashes twice

H: Red on

Refer to “Power failure details”. OPC_LED flashes by pressing the [MENU] 
key on the remote control.

L: Off

Communication 
failure with main 
CPU
Green flashes 
once

H: Green on

Refer to “Communication failure details”. OPC_LED flashes by pressing the 
[MENU] key on the remote control.
Communication line failure or main CPU communication failure.

L: Off

Others
Green flashes 
twice

H: Green on

Refer to “Other failure details”. OPC_LED flashes by pressing the [MENU] 
key on the remote control.

L: Off

300m

s

1.5sec