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100ms

400ms

1.6sec

䠍

䠍䠅Low-speed blinking
Error type 

H:ON

Refer to “Lamp failure details”. 

low-speed blinking

LOW/High blinking by pressing the [MENU] key on the remote control.

Flashes once

L:OFF

H:ON

Refer to “Power failure details”. 

low-speed blinking

LOW/High blinking by pressing the [MENU] key on the remote control.

Flashes twice

L:OFF

H:ON

Refer to “Communication failure details”. 

low-speed blinking

LOW/High blinking by pressing the [MENU] key on the remote control.

Flashes 3 times 

L:OFF

Communication line failure or main CPU communication failure.

H:ON

Refer to “Other failure details”.

low-speed blinking

LOW/High blinking by pressing the [MENU] key on the remote control.

Flashes 4 times 

L:OFF

䠎䠅Lamp failure details䠄Low-speed blinking: Flashes once䠇High-speed blinking䠅

H:ON

LAMP_ERR(19pin) : Abnormal H. 
Confirmed after 8 consecutive detections at 64ms intervals (detected only when the backlight is on).
Note䠖After 䠑 detection counts, the lamp cannot be activated except in the monitoring process.
         To confirm the problem, “Lamp Error detection off-mode”䚷 is prepared. 
         This mode compulsorily starts the set disregarding the count.

Flashes once(High speed)

L:OFF

         Please refer to [7. Lamp Error detection (ADJUSTMENT PROCEDURE)]

H:ON

Flashes twice(High speed)

L:OFF
H:ON

Flashes 3 times(High speed)

L:OFF
H:ON

Flashes 4 times (High speed) 

L:OFF
H:ON

Flashes 5 times (High speed) 

L:OFF

Lamp failure

䠏

䠏䠅Power failure details䠄Low-speed blinking: Flashes twice䠇High-speed blinking䠅

H:ON

AC_DET (28pin) : Abnormal (L).

AC_DET failure

If error is detected during start-up or operation, 

Flashes once (High speed)

the power is turned on again by interrupt handling (instantaneous blackout processing).

L:OFF
H:ON

DET_13V(32pin): Abnormal (L). Main 13V is not applied.

Main 13V failure

If error is detected during start-up or operation, the power is turned on again by polling.

Flashes twice(High speed)

L:OFF
H:ON

DET_D3V3(33pin): abnormal (L). Digital 3.3V is not applied.

Digital 3.3V failure

If error is detected during start-up or operation, the power is turned on again by polling.

Flashes 3 times(High speed)

L:OFF
H:ON

ADC䡠AV_SW Power failure
Flashes 4 times (High speed) 

L:OFF
H:ON

DET_POW_T(34pin): abnormal (L). DET_PNL12V is not applied.

TCON Power failure

Detection starts after receiving command from Panel Power ON, the power is turned off by polling.

Flashes 5 times (High speed) 

L:OFF
H:ON

DET_POW_D (26pin) failure (L). DRC power is not applied.

DRC Power failure

Detection is started after turning on the panel power and

Flashes 6 times (High speed) 

L:OFF

receiving command; the power is turned off by polling.

H:ON

DET_POW_F (24pin) failure (L). FRC power is not applied.

FRC Power failure

Detection is started after turning on the panel power and receiving command; 

Flashes 7 times (High speed) 

L:OFF

the power is turned off by polling.

䠐䠅Communication failure details䠄Low-speed blinking: Flashes 3 times䠇High-speed blinking䠅

Initial communication

H:ON

Initial communication from the main CPU is not received. 

reception failure

  (Request for the monitor model No. is not received.)

Flashes once (High speed)

L:OFF

䊻 Communication line failure or main CPU start-up failure

Start-up confirmation

H:ON

Start-up reason confirmation from the main CPU cannot be received. 

reception failure

(Startup communication until start-up reason notification command is not received.)

Flashes twice(High speed)

L:OFF

䊻 Main CPU start-up failure or monitor microprocessor reception failure

Regular communication failure

H:ON

Regular communication that is performed at 1 second intervals in the normal operation is interrupted.
䊻 Main CPU operation failure or monitor microprocessor reception failure

Flashes 3 times(High speed)

L:OFF
H:ON

Flashes 4 times (High speed) 

L:OFF
H:ON

When a request (PM_REQ=H) is sent from the main microprocessor, 

the request command is not output from the main CPU, etc.

Flashes 5 times (High speed) 

L:OFF

䊻 Main CPU operation failure or monitor microprocessor reception failure

䠑䠅Other failure details䠄Low-speed blinking: Flashes 4 times䠇High-speed blinking䠅

H:ON

If the panel temperature is 60䉝 or more for 15s or more in a row,

 CAUTION appears on the OSD (flashes in red in the lower right screen).

If the panel temperature is 60䉝 or more for 25s or more in a row, 

error standby is activated.

Flashes once (High speed)

L:OFF

(MONITOR MAX TEMP on page(12) of the adjustment process: Change AD value for temperature failure ): Thermistor

H:ON

Flashes twice(High speed)

L:OFF
H:ON

Main microprocessor detection error (CPU temperature error, etc.)
Details are displayed on page(1) of the adjustment process for the main microprocessor.

Flashes 3 times(High speed)

L:OFF
H:ON

Flashes 4 times (High speed) 

L:OFF
H:ON

Flashes 5 times (High speed) 

L:OFF

PS_ON

SM_POW

D_POW

ADM_POW

PANEL_POW

DRC_POW

FRC_POW

Other communication failure

Monitor temperature failure

Sync error

Main failure

䊼

䊼Yes

䊼NO

Replace power supply unit.

䊼

NO

䊼

NO

䊼

NO

䊼Yes

䊼NO

Replace Main unit.

䊼

NO

䊼

NO

䊼

NO

䊼Yes

䊼NO

Replace FRC unit.

䊼

NO

䊼

NO

䊼

NO

䊼Yes

䊼NO

Replace T-CON unit.

䊼

NO

䊼

NO

䊼

NO

䓊---
䓀

䓀

䓊---

䓊--

䓀
䓀

䓀

䓀

䓀

䓒---

䓒--

䓀

䓀

䓀

䓀

䓒---

䓒--

䓀

䓀

䓀

䓀

䓒---

䓒--

䓀

䓀

䓀

䓀

䓒---

䓒--

䓀
䓀

䊼

䓒---

䊼
䊼

䊼Yes

䊼NO

Replace C-S FPC.

䊼

NO

䊼

NO

䊼

NO

䊼Yes

䊼NO
䊼

NO

䊼

NO

䊼

NO

䊼

NO

Replace Panel HIRAKI or LCD Module
(Don't forget adjusting “VCOM ADJ”)

When C-S FPC is replaced, does screen display normally?

Replace  T-CON UNIT.
(Don't forget adjusting “VCOM ADJ”)

Is there any portion which some screens were darkish or 
became whitish?

Is the gamma correction as specified?

Does all LED of one line are not lighting?

When FRC unit is replaced, does it start normally?

 Does the QS drive function?

Do luminescent or black dots appear on the screen?

When  T-CON UNIT is replaced, does screen display normally?

Replace  T-CON UNIT.
(Adjust “VCOM ADJ” after replacing)

When T-CON unit is replaced, does it start normally?

Is the on-screen image rippling or distorted?

Are the data bit drop-out?
(No solution even when turning on and off the QS drive)

Does a single or several vertical stripes appear on the 
LCD screen?

The backlight functions.  
Does not the image come out in the LCD screen 
(screen black) ?

When power supply unit is replaced, does it start normally?

When Main unit is replaced, does it start normally?

In the case the parts in the panel can't be replaced, Replace panel module

Does a single or several horizontal stripes appear on the 
LCD screen?

Does the entire LCD screen look whitish all over?

䊼

䊼YES

NO

䊻

䊼YES

NO

䊻

䊼YES

(A)

NO

䊻

䊼YES

NO

䊻

䊼YES

NO

䊻

䊼YES

Check Speaker (right and left) and wire harness.

(B)

NO

䊻

䊼YES

NO

䊻

䊼YES

NO

䊻

䊼YES

NO

䊻

䊼YES

Check Woofer and wire harness.

䊼

䊼

(A)

NO

䊻

䊼YES

NO

䊻

䊼YES

Refer to “No sound from the Speaker & Woofer.”

Do signals output from pins of TUNER (TU1102) ?
 [6 / AIF_P_TUNER]
 [7 / AIF_N_TUNER]

Does SIF signal input to pin of IC3301 (CPU) ?
 [AT32 / CPU_TUN_IFN]
 [AU32 / CPU_TUN_IFP]

Do audio signals output from pins of IC1705 ?
 [11 / OUTPR]
 [14 / OUTMR] 

Do audio signals output to pins of  IC1702 (SP-AMP+DSP) ?
Do audio signals input to pins of  IC1705 (Woofer_AMP) ?
 IC1705 : [5 / MCK]  [6 / SDATA]
              [7 / SCLK] [8 / LRCLK]
 IC1702 : [48 / I2S_DSPAMP_MCLK]  [46 / I2S_DSPAMP_WODATA]
              [44 / I2S DSPAMP LRCLK] [43 / I2S DSPAMP BCLK]

Do audio signals input to pins[1,2,3,4] of P1701 ?

Check IC1702 and its peripheral circuits.

Check the line between IC1705 and IC1702.

Check IC1705 and its peripheral circuits.

Check the line between IC1702 and IC3301 & IC2002(UCOM).
(Q1701 etc…)

Check IC3301 and its peripheral circuits.

Check the line between IC3301 and IC1702.

Do audio signals output from pins of IC1702 ?
 [27 / OUTPR]
 [29 / OUTMR]
 [32 / OUTML]
 [34 / OUTPL] 

Is MUTE [pin(23)] of IC1702 at "H"  ?

P1701 terminal and the peripheral circuit (L/C filter) are checked.

Do audio signals output from pins of IC3301 (CPU) ?
 [AP11 / CPU_AOLRCK]
 [AR11 / CPU_AOBCK]
 [AN9  / CPU_AOSDATA0] 

Do audio signals input to pins of  IC1702 (SP-AMP+DSP) ?
 [7 / I2S_SP_DAT]
 [8 / I2S_SP_BCLK]
 [9 / I2S_SP_LRCLK]

In the case that the sound is not emitted from the Speaker , refer to 
(A).

Check the line between IC1705 and IC3301 & IC2002(UCOM).
(Q1701 etc…)

Is AMP_MUTE [pin(24)] of IC1705 at "H"  ?

Check the tuner and its peripheral circuits.
Replace as required.

P1701 terminal and the peripheral circuit (L/C filter) are checked.

Check the line between TU1102 and IC3301.

Do audio signals input to pins [5,6] of P1701 ?

䊼

䊼

(A)

 Refer to “No picture on the display (3).”

䊼

䊼

(A)

 Refer to “No picture on the display (4).”

䊼

䊼

NO

䊻

䊼YES

NO

䊻

䊼YES

Refer to “No sound from the Speaker & Woofer.”

䊼

䊼

NO

䊻

䊼YES

NO

䊻

䊼YES

NO

䊻

䊼YES

Refer to “No sound from the Speaker & Woofer.”

䊼

䊼

䊼

䊼

䊼YES

䊼YES

䊼YES

䊼NO

䊼

YES

Check the setting of an external input device that connects with 

䊼

YES

NO

䊻

䊼YES

Refer to “No sound from the Speaker & Woofer.”

䊼

䊼

Check the line between J501 and IC3301.

Do audio signals input to pins of J501 (PC AUDIO_INPUT) ?

Please Refer to
 “No picture on the display (11)  [External input HDMI-1/2/3] ”.
 “No picture on the display (12)  [External input HDMI-4]  ”.

Check the setting of an external input device that connects with 
J502.

Do audio signals input to pinsof EXT1 (SC650) ?
 [2 / SC_CVBS2_R]
 [6 / SC_CVBS2_L] 

Do audio signals input to pinsof IC3301 (CPU)  from SC650 ?
 [AU35 / SC1_AINL0]
 [AU37 / SC1_AINR0] 

Check the line between SC650 and IC3301.

Check IC3301 and its peripheral circuits.

Check the setting of an external input device that connects with 
EXT1.

Check whether it is selected  "HDMI+Analog" by the menu under 
"TV Menu" - "Setup" - "Option" - "Terminal setting" - "Audio select".

Do audio signals input to pinsof IC3301 (CPU) ?
 [AP32 / PC_HDMI_AINL4]
 [AR33 / PC_HDMI_AINR4] 

Is CVBS_PLUG of J502 at "L"
  [2 / RCA_CVBS1_PLUG] 

Do audio signals input to pinsof IC3301 (CPU) ?
 [AT35 / COMP1_AINR1] 
 [AU36 / CVBS1_AINR2] 

Do audio signals input to pins of J502 ?
  [5 / RCA_L_ANALOG]
  [7 / RCA_R_ANALOG]

Check the setting of an external input device that connects with 
J502.

Check whether it is selected  "Video+Audio" by the menu under 
"TV Menu" - "Setup" - "Option" - "Terminal setting" - "Audio