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LC-32LE345M

6 – 1

CHAPTER 6.

TROUBLESHOOTING

TABLE

[1] TROUBLESHOOTING TABLE

Power Supply Trouble

The TV set can not power on

(No Power Supply)

Check Pin9&Pin 10 of CN4 for 12V

Check if the Power Board is OK

1. Check E5 for 5V
2. Check the out of Q5 for 5V
3. Check U1 U4 for 3.3V
4. Check E1 for 1.8V
5. Check E2 for 1.3V
6. Check D3 for 2.5V

Change Main PWB

OK

OK

NG

NG

Display Trouble(

Abnormal screen)

Abnormal Screen

Check if the LVDS cable is right and if well

connected with the board

1. Reconnect the cable
2. Change the LVDS cable

Check if the LCD panel is OK

Check if between the LVDS jack and U6

are well soldered

Change panel

Repair/touch up the damage circuit

OK

OK

OK

OK

NG

NG

NG

Change Main PWB

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Содержание LC-32LE345M

Страница 1: ...INE 1 1 CHAPTER 2 SPECIFICATIONS 1 SPECIFICATION 2 1 CHAPTER 3 OPERATION MANUAL 1 OPERATION MANUAL 3 1 CHAPTER 4 REMOVING OF MAJOR PARTS 1 REMOVING OF MAJOR PARTS 4 1 CHAPTER 5 ADJUSTMENT 1 ADJUSTMENT 5 1 2 USB Clone Smart Loader 5 5 3 PUBLIC SETTING PROCEDURE 5 6 CHAPTER 6 TROUBLESHOOTING TABLE 1 TROUBLESHOOTING TABLE 6 1 CHAPTER 7 OVERALL WIRING BLOCK DIAGRAM 1 OVERALL WIRING DIAGRAM 7 1 2 SYSTE...

Страница 2: ...obs and control shafts escutcheon etc and measure the AC voltage drop across the resistor All checks must be repeated with the AC cord plug connection reversed If necessary a nonpolarized adaptor plug must be used only for the purpose of completing these checks Any reading of 0 74 Vrms this corresponds to 0 5 mA rms AC or more is excessive and indicates a potential shock hazard which must be corre...

Страница 3: ...is higher than the conventional lead solder by 40 C and as it has poor solder wettability you may be apt to keep the soldering bit in contact with the PWB for extended period of time However Since the land may be peeled off or the maximum heat resistance temperature of parts may be exceeded remove the bit from the PWB as soon as you confirm the steady soldering condition Lead free solder contains ...

Страница 4: ... Ref No Part No Description N RUNTKA999WJPZ MAIN Unit N RUNTKA929WJQZ POWER Unit N RUNTKA927WJZZ LED Unit A N RUNTKA928WJZZ LED Unit B Ref No Part No Description N CLCDTA248WE06 LCD Panel Module Unit with CAB A SMM Module Dummy Cab B single packaging N RILK315T3HB0BN LCD PANEL UNIT HIRAKI ...

Страница 5: ...DMI input HDMI HDMI input INPUT 4 AUDIO in COMPONENT in INPUT 5 VIDEO in AUDIO in INPUT 6 PC 15 pin mini D sub AUDIO in common use with INPUT 1 3 5 mm jack AUDIO OUT AUDIO out USB USB DIGITAL AUDIO OUTPUT Optical Digital Audio Output Headphone 3 5 mm stereo OSD language English Power Requirement AC 110 240 V 50 60 Hz Power Consumption 58 W 0 8 W Standby Dimensions without stand 750 W g 478 H g 55 ...

Страница 6: ...uttons 5 Volume up e down f buttons 6 INPUT 1 INPUT 2 INPUT 3 HDMI terminal 7 INPUT 4 terminals 8 AUDIO OUT terminals 9 INPUT 5 terminals 10 Antenna input terminal 11 INPUT 6 PC terminal 12 DIGITAL AUDIO OUTPUT terminal 13 USB terminal 14 Headphone jack 3 5 mm The speakers do not output volume when headphones are plugged in The INPUT 1 and INPUT 6 PC terminals can both use the same analogue audio ...

Страница 7: ...LC 32LE345M 3 2 ...

Страница 8: ...lied with the TV Screw driver Screw Soft cushion Screws m4 used in step 3 2 Insert the stand base to the stand post on the bottom of the TV 1 3 Insert and tighten the 4 screws into the 4 holes on the bottom of the stand base 2 NOTE To detach the stand perform the steps in reverse order CAUTION Do not attach or detach the stand without holding it Doing so can cause the stand to fall resulting in se...

Страница 9: ... WH 340M RD WH 243M 5GTXKEG CPWCN 1 REMOVING OF MAJOR PARTS 1 Removing of the Rear Cabinet Ass y and Stand Base 1 Remove the 4 screws and detach the Stand Base 2 Remove the 1 screw 3 screws and 8 screws 3 Detach the Rear Cabinet Ass y 6 Rear Cabinet Ass y 2 1 4 3 Stand Base 5 ...

Страница 10: ...RTREMOVING OF MAJOR PARTREMOVING OF MAJOR PART 2 Removing of Connectors 1 Disconnect the following connectors from MAIN Unit SP PD LW 2 Disconnect the following connectors from POWER Unit PD L1 3 Disconnect the following connectors from Panel Ass y LW LA1 LA2 ...

Страница 11: ... R 1 Remove the 2 screws 2 screws and detach the Bottom Bracket 2 3 Remove the 4 screws and detach the MAIN Unit Side Cover Remove the 4 screws and detach the POWER Unit 4 Detach the Speaker L R 9 Speaker R 9 Speaker L 6 MAIN Unit 3 2 1 Bottom Bracket 4 Side Cover 8 7 POWER Unit SP 5 ...

Страница 12: ...LC 32LE345M 4 4 4 Removing of the Chassis Ass y and LCD Panel Unit 1 Remove the 5 screws and detach the Chassis Ass y 2 Detach the LCD Panel Unit 2 Chassis Ass y 3 LCD Panel Unit CAB A Ass y 1 ...

Страница 13: ... Removing LCD Panel Unit 1 Detach the LED PWB A LED PWB B and Heat Spreader 2 Detach the Reflection Sheet LGP Lens Sheet V Lens Sheet and Diffusion Sheet 3 4 Detach the LCD Panel Unit Detach the Bezel Ass y from CAB A H ...

Страница 14: ...witched automatically when relevant adjustment is started so far as the necessary input signal is available Remote controller key Main unit key Function CH CH Changing channel UP DOWN VOL VOL Changing volume UP DOWN Cursor Turning a page PREVIOUS NEXT Cursor Changing a selected line setting 10 10 INPUT button on remote con troller INPUT button Input source switching toggle switching TV HDMI 1 HDMI...

Страница 15: ...ll be informed by MARUHEN Model Software Package 32LE345M QUIE_DTV_ASIA_PACK08_vXXXX bin 5 Software is successfully installed when the following appears at the end of the process 6 Once updating completed LCD TV will be automatically off and again after few seconds automatically restart 7 Menu Setup Identification Software Update USB 100 ...

Страница 16: ...min Lmax Lmin 1 2 2 6 Set the specified gradation for point 2 fix the most faint colour to get reference value adjust others 2 colour to minus adjustment for reference value of point 2 7 Measure Point 1 brightness Llow 8 Set the reference value R G B of Point 1 Ref 1 640 x 40 P1 where P1 255 x Llow Lmin Lmax Lmin 1 2 2 9 Set the specified gradation for point 1 Set G of point 1 to the default value...

Страница 17: ...AC power off to exit the fac tory setting 1 Enter the adjustment process mode 2 Move the cursor to Factory Init on page 2 10 3 Press ENTER to execute 1 User setting 2 Channel data e g broadcast frequencies 3 Manufacturer s option settings 4 Password data 5 Setting values are set based on model destination Factory setting with adjustment process mode 4 After a while OK display appears and backgroun...

Страница 18: ...using their respective USB terminal 2 How it works 1 Enter USB clone menu Smart Loader i Press panel key INPUT and VOL and AC on it will go to password entry OSD ii Enter digit 369 then it will go to Smart Loader Menu 2 Smart Loader function i SMLD Store To copy all related data from TV USB and put under a fixed filename SHP_SMLD bin 8kB ii SMLD Restore To restore the related data from USB TV iii ...

Страница 19: ...o exit Public Mode There are the following ways to quit the public mode setup screen Turn off PUBLIC MODE in the adjustment process mode This way alone is not for quitting the setup screen but for quitting the mode by itself Turn off the power with the POWER key Select EXECUTE PUBLIC MODE stays on in the adjustment process mode The settings will be back to the factory ones 3 Public Mode Setting Va...

Страница 20: ...on is operated a caution is displayed it times out in 5 seconds For the caution refer to the power on fixed message sheet The caution is not displayed when in the adjustment process hotel menu default setting MCL operation and auto preset Ch search operation The OSD display including the menu and this caution have priority over all others When OSD display described below is set to Variable this ca...

Страница 21: ... Exception None Remarks Setting is valid only when Volume fixed is selected for fixed This must be confirmed actually by changing also the sound volume in accordance with setting Selection Selection between Resp ond and No respond loop provide Default Respond Explanation Acceptability of keys by remote control is limited or reception of keys can be prohibited Limit in setting 1 In No respond setti...

Страница 22: ...he operation follows the last memory About options All the input sources in the model are made selectable When the input output switchable input source is selected and the input source is set to output the setting of input output switching is changed to input at the execution of hotel menu In addition the input output switching by menu is prohibited In TV mode the display of all channels is stoppe...

Страница 23: ...ON Display preset channel plan when power on OFF Not display preset channel plan Default setting Remark When hotel mode is ON and PRESET CHANNEL PLAN is ON press power ON Panel or R C key it displays preset channel plan on the screen When user press ENTER key during TV mode its shows preset channel plan ...

Страница 24: ...5V 3 Check U1 U4 for 3 3V 4 Check E1 for 1 8V 5 Check E2 for 1 3V 6 Check D3 for 2 5V Change Main PWB OK OK NG NG Display Trouble Abnormal screen Abnormal Screen Check if the LVDS cable is right and if well connected with the board 1 Reconnect the cable 2 Change the LVDS cable Check if the LCD panel is OK Check if between the LVDS jack and U6 are well soldered Change panel Repair touch up the dama...

Страница 25: ...Pin3 Pin4 is OK 12V Check if the LVDS cable is right and if well connected with the board Change the panel or the LVDS cable Change Main PWB OK OK OK NG Reconnect properly the LVDS cable NG Function Trouble TV OK OK NG No channel be find Check the RF cable Change Main PWB Repair the external RF equipment ...

Страница 26: ...1 is normal Set it rightly Check the speaker and if the speaker NG replace with the new speaker OK OK NG NG OK Change Main PWB Function Trouble PC p p PC source No signal Check if the VGA cable is OK Change a VGA cable Check if the VS and HS signals are OK Change Main PWB Check if the R G B signals are OK Change Main PWB Check the software OK OK OK OK NG NG NG ...

Страница 27: ...e HDMI YPbPr HDMI no signal Check if the HDMI cable is OK Check if the hotplug signal is OK Check the circuit between the CN7 CN15 CN18 and U6 Change a HDMI cable Change Main PWB Change Main PWB OK OK OK OK NG NG NG Check the software ...

Страница 28: ...s OK Check the CVBS circuit between the CN19 and U6 Check the software Change a AV cable Change Main PWB OK OK OK NG NG Can t detect USB Device Check the Pin1 of CN2 for 5V Check the circuit between the CN2 and U6 Check the software Change Main PWB Change Main PWB OK OK OK NG NG ...

Страница 29: ... PWB OK OK OK NG NG Digital Audio Output No sound Check if the CN9 have red light out Check if the external amplifier is right setting Change Main PWB NG OK OK Headphone No Sound Check if the power supply for UA91 is OK Check if the Pin13 of UA91 voltage is 3 3V Change Main PWB Check if the voltage of RA94 is 0V OK NG NG OK 3 3V Check the circuit between the CA91 C92 and the U6 Change Main PWB Che...

Страница 30: ... M465WJQZ SP R L1 PD AC 1 4 1 10 N L Power Unit RUNTKA929WJQZ SP L 1 32 1 2 QCNW M468WJQZ Hiraki Panel RLCDTA262WJQZ MAIN RUNTKA999WJPZ LED PWB A RUNTKA927WJZZ LED PWB B RUNTKA928WJZZ SP R RSP ZA600WJPZ SP L RSP ZA600WJPZ Tuner PC audio in USB HP HDMI 2 D Sub SP PD LW 32 1 1 4 1 10 1 2 HDMI 1 Digital audio out HDMI 3 ...

Страница 31: ...power clk A 2 data B 8 clk B 2 data A 8 IREMOTE LED_R LED_G CN12 32 pin OFL ERROR PNL STB KEY RC LED KEY SW LED Green Red IR Reciever KEY1 2 POWER SW IR IN CN21 Comp Audio IN CN19 COMP IN CN21 Mon L R OUT Mon Amp circuit HP Amp circuit HP Audio out Monitor Audio t CN2 USB IN CN26 PC Audio COMP AUDIO USB IF IN 2 HDMI IN1 HDMI DDC1 CN18 HDMI 1 data 4 clk 2 I2C HDMI HPD0_IN D5V HDMI IN2 HDMI DDC2 CN7...

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