SAFETY PRECAUTION CHAPTER 6. PRINTED WIRING BOARD AS- IMPORTANT SERVICE SAFETY SEMBLIES PRECAUTION MAIN UNIT PRECAUTION FOR USING LEAD- POWER UNIT ( LC-32LE280X ) FREE SOLDER POWER UNIT ( LC-40LE280X ) OUTLINE CHAPTER 7. DESCRIPTION OF SCHEMATIC MAJOR SERVICE PARTS DIAGRAM DESCRIPTION OF SCHEMATIC DIA- CHAPTER 1.
LC-32LE280X/LC-40LE280X SAFETY PRECAUTION IMPORTANT SERVICE SAFETY PRECAUTION IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING All checks must be repeated with the AC cord plug connection reversed.
LC-32LE280X/LC-40LE280X PRECAUTION FOR USING LEAD-FREE SOL- PRECAUTIONS FOR USING LEAD-FREE SOLDER Employing lead-free solder • “PWBs” of this model employs lead-free solder. The LF symbol indicates lead-free solder, and is attached on the PWBs and service manuals. The alphabetical character following LF shows the type oflead-free solder.
LC-32LE280X/LC-40LE280X OUTLINE MAJOR SERVICE PARTS MAJOR SERVICE PARTS Ref.No LC-32LE280X/WH LC-40LE280X/WH Note PRINTED WIRING BOARD ASSEMBLIES MAIN UNIT DKEYMG706FM01 DKEYMG706FM02 POWER UNIT DUNTKG709FM02 DUNTKG710FM02 LED / IR UNIT DUNTKG677FM01 DUNTKG677FM01 LCD PANEL MODULE UNIT LCD PANEL MODULE UNIT CLCDTA663WEA5 CLCDTA374WE14...
Operating temperature 0°C — 40°C • As a part of policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specification figures indicated are nominal values of production units.
• Do not attach or detach the stand without holding it. Doing so can cause the stand to fall, resulting in serious personal injuries as well as damage to the stand. • The illustrations used throughout this manual are based on LC-32LE280X. • Please refer to page 11 for illustration of LC-40LE280X.
Part names TV (Front) POWER indicator Light off Power off. Lighted (Red) The TV is in standby mode. Lighted (Green) The TV is on. Remote control sensor • The illustrations used throughout this manual are based on LC-32LE280X. 2 – 2...
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LC-32LE280X/LC-40LE280X Part names (Continued) TV (Rear) LC-32LE280X USB terminal* INPUT 1 (HDMI/ARC) terminal INPUT 2 (HDMI/MHL) terminal US B Antenna input terminal DC5V 1.5 A INPUT 3 terminals SERVICE ONLY terminal** /AUDIO OUT (L/R) terminal POWER (On/Off) button Keypad Control DC5V 0.9A...
LC-32LE280X/LC-40LE280X Remote control unit 8 e (Mute) SUPER COLOUR Press e s Mutes sound. ADJ. Press e again s Restores sound. HDMI Mute will be cancelled after 30 minutes. However, the TV will not suddenly output loud sound as the volume level will be set to 0 automatically.
LC-32LE280X/LC-40LE280X CHAPTER 3. ADJUSTMENT [1] ADJUSTMENT ( LC-32LE280X ) [1] ADJUSTMENT PROCEDURE 1.Entering and cancel the adjustment process mode 1)While holding down the POWER and CENTER keys at the same time,plug in the AC cord to turn the power. 2).Backlight turned ON,screen disply show Black pattern and LED blinking GREEN. 3)Enter password “UP ( CH UP )-->DOWN (CH DOWN )--> UP (CH UP )”. (After 30 sec password not keyed in or password keyed in wrong, go to previous Power Status (On,Stand by or OFF ). 4).Backlight turned On , screen display show Purple test pattern ( LED still blinking GREEN . 5).Press and hold the Center key . ( The adjustment process mode screen appears. ) 6).After run function, LED light to GREEN. 2.Remote controller Key operation and description of disply in adjustment process mode. 1.Key Operation Remote controller Key JOY Key CH ( / ) Changing channel (UP/DOWN) VOL ( + / - ) Changing volume (UP/DOWN) Cursor ( / ) UP/DOWN Turning a page (PREVIOUS /NEXT) Cursor ( / ) LEFT/RIGHT Changing a selected line (+10 /-10 ) INPUT or remote ...
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LC-32LE280X/LC-40LE280X 3. Software upgrading. Software upgrading using local key. 1) Plug off the LCD TV. 2) Insert the USB device to the USB terminal at the LCD TV. (Make sure that the latest software is installed in the USB device). 3) Hold the LCD TV power key and plug on the LCD TV.
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- If any changing of software, will be inform by MARUHEN. 2. HDCP Key writing HDCP key disc name & no : HDCPM xxxx ( Key is from Sharp Japan IT department ) 3. SIGNAL ADJUSTMENT A. PICTURE ADJUSTMENT (1) Adjustment Mode...
B. WHITE BALANCE ADJUSTMENT a) White Balance Adjustment ITEM CONDITION PROCEDURE Setting Backlight : MAX For the details of white balance adjustment procedure, please refer to white balance adjustment spec for Kameyama model. AV Mode : DYNAMIC Active Backlight : OFF SUPER ECO : OFF 1.
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MSET0003 (18) Adjusted value is writing at [command] MSET0003 (19) Calculate the slope R2 slope, slope, slope between MAX and Point2. 4080-3664 Max.Level slope = high (20) Calculate the correction value MGMG**** ⊿R ⊿G ⊿B MGMR**** high, high, high. 3840-3664 ⊿R MGMB**** high =...
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4. POWER CONSUMPTION 4.1 Power Consumption Measurement Method Aging time : minimum 30 minutes (during offline) Signal : Color Bar Audio frequency : 400Hz AV Mode : Dynamic Picture Setting : Backlight/ Brightness/ Contrast : MAX, Active Contrast : OFF ECO Setting : OFF Audio Output (400Hz) : 1/8 of Maximum Audio Output (5W + 5W) ;...
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5. FACTORY SETTING AC power is plug off after shipment setting is done. Caution: Do not plug on again after shipment setting is done. If do, please re-do the shipment setting. Do not off with remote control. ITEM CONDITION PROCEDURE Factory setting AC power off to exit 1.
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LCD TV ADJUSTMENT ITEM [ LC-40LE280X / LC-40LE280X-WH ] 1. VCOM ADJUSTMENT (1) Adjustment Pattern : The adjustment pattern is shown as below. Frame N Frame N+1 (2) Adjustment method: (Digital V-com) Programmable memory IC is used for Digital V-com adjustment in this model. INX provide Auto Vcom tools to adjust Digital V-com.
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STEP 2: Connect SCL, SDA, and GND between PC and panel module STEP 3: Send the correct flicker pattern (refer to CMI product SPEC)
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STEP 4: Execute the program of Auto VCOM STEP 5: Put the sensor board on the center of the panel and press “Start” button...
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If any changes of software, will be informed by MARUHEN. 3. HDCP Key writing HDCP key disc name & no : HDCPM xxxx ( Key is from Sharp Japan IT department ) 4. SIGNAL ADJUSTMENT A. PICTURE ADJUSTMENT Adjustment Mode...
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(8) Calculation Initial setting of X ((L )/(L ))^(1/H γ)=3703 Multi point R/G/B_HIGH adj. Mode R_HIGH=WB ’=3703 MSET0000 (9) Set Initial setting of G_HIGH=WB ’=3703 R/G/B_HIGH B_HIGH=WB ’=3703 WBI20255 (10) Original WB adjustment is performed (HIGH) R_HIGH=3702 Point 2 RESULT Set the specified gradation for point 2, fix the G_HIGH=3641 WBI20229...
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[Reference values for adjustment reference] Equipment : Luminance meter [Minolta CS-2000] Spec Inspection Level Adj. Spec. Data Spec. Point 0.0010 x= 0.2685 2 ref. 0.0020 y= 0.2670 values Point 0.0045 x= 0.2685 1 ref. 0.0090 y= 0.2670 values Ref. : For Adjustment, set the LCD TV as below. AV MODE : [DYNAMIC] (Reset) Aging Time...
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6. FACTORY SETTING AC power is plug off after shipment setting is done. Caution: Do not plug on again after shipment setting is done. If do, please re-do the shipment setting. Do not off with remote control. ITEM CONDITION PROCEDURE Factory setting AC power off to exit 1.
[4] PUBLIC MODE SETTING PROCEDURE 1. How to start Public Mode • There are the following two ways to get the public mode setup screen displayed. 1) Repeat steps 1 to 4 in Entering and cancel the adjustment process mode . 2) Press the [UP] keys on the set.
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4.Public Mode Menu The guidance is not displayed onscreen . Setup procedure To move the cursor up and down ,use the "cursor UP/DOWN Key (remote controller )and "CH (UP )/(DOWN )"Key (remote controller and set ). To change the the "cursor RIGHT/LEFT "Key (remote controller )and (RIGHT /LEFT) local key. To save new the cursor at"Exucute"and use the "cursor RIGHT/LEFT"Key (remote controller ) <...
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3.MAXIMUM VOLUME from 1 to 100 (no loop ) Default volume not be than the preset value. Limit in When the volume is set lower than 99,only volume bar is not volume for ON- (WAKE UP TIMER)is also to the preset value. In the item "VOLUME"...
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7.PANEL BUTTON Resp :The :The the POWER All the keys 8.MENU BUTTON " " " " :The :The " by the OFF. keys keys keys All the keys 9.AV POSITION FIXED " " e " " e :The "AV POSITION select POSITION the AV...
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11.INPUT MODE START -ON,the be set . ,the • All the • is set • it is .At this be set etc. • with • The • "is 12.INPUT MODE FIXED • :If [ INPUT MODE START ] is set •...
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16.RC PATH THROUGH RCD (loop enabled ) The from decide whether the signal received by the remote control's light -receiving is output to the blankpin (9pin) of RS232C Fixed : This is not On: TV RCE : This remote is On: TV RCD : This remote is not...
LC-32LE280X/LC-40LE280X CHAPTER 4. TROUBLESHOOTING TABLE [1] TROUBLESHOOTING TABLE [1] TROUBLESHOOTING TABLE No power (front LED failure to light up) or no startup (front LED failure to turn from red to green) Are the wire harnesses and other cables properly connected in Reconnect the wire harnesses and other cables properly in the the set? set. Check the PS̲ON signal line PNL ̲POW signal line. Is there the PS̲ON and PNL̲POW signal input at pins (1) of P9601(32”) / (9),(1) of P9601(40”) Are the DC/DC converter outputs and the output voltages along Check the DC/DC converters and the control lines. Replace the control lines as specified? defective parts as required. 1) BU 1.5V (IC9606) 2) BU 3.3V (IC9602) 3) D 1.05V (IC9603) 4) BU 3.3V (IC9602) 5) D 5.1V (IC9601) 4 – 1...
LC-32LE280X/LC-40LE280X With [RF] signal input No video onscreen (1) No video in the UHF/VHF reception Is there IF output from the tuner pin( 6,7 ) of TU1102 as Check TU1102 and its peripheral circuits. specified ? c r i t i u &...
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LC-32LE280X/LC-40LE280X With signal input No video onscreen (4) No external input video onscreen HDMI1 /HDMI2 Select Is select menu screen to pick up the right signal to IC3301 ? input t e i s l a s Pins ( 78-95 ) of IC3301 C I a s t i p i r e ...
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LC-32LE280X/LC-40LE280X No audio heard (1) No sound in the UHF/VHF reception. Check TU1102 and its peripheral circuits. Is the IF output from the tuner pin(6,7,8,9) of TU1102 as specified ? Check IC3301 and its peripheral circuits. signal input a t pins (98 ), (99) of IC3301? Is there the t n i...
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LC-32LE280X/LC-40LE280X No audio heard (2) No external audio heard < INPUT 3 > Is there the L-ch audio signal input from pin (4) of input terminal J502 to pin (124 ) of IC3301? Is there the R-ch audio signal input from pin (6) of input terminal J502 to pin ( 123 ) of I C3301? ( n i 5,6,7,8 ) Check connection between IC3301 and IC1702 and its periph- eral circuits. Is the L-ch audio signal output at pin(8), (13) of Check IC1702 and its peripheral circuits. IC1702 normal ? Is the R-ch audio signal output at pin(19), (23) of IC1702 normal ? Are the audio signal L-ch and R-ch output at (3)/(4) and (1)/(2) of ...
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LC-32LE280X/LC-40LE280X No audio heard (3) No HDMI sound heard (*HDMI1 / HDMI 2 is digital audio ) e h t e e r Refer to “ ( HDMI1 / HDMI2 )is no external input video screen (HDMI)” i d u p t u o r f f i t i e t t i . t o Check peripheral circuits for each HDMI socket. Are waveforms output from each HDMI pin normaly? e I2S...
LC-32LE280X/LC-40LE280X CHAPTER 6. PRINTED WIRING BOARD ASSEMBLIES [1] MAIN UNIT MAIN UNIT -SIDE A MAIN UNIT -SIDE B 6 – 1...
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LC-32LE280X/LC-40LE280X MAIN UNIT -SIDE A MAIN UNIT -SIDE B 6 – 2...
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LC-32LE280X/LC-40LE280X MAIN UNIT -COMPONENT SIDE -A MAIN UNIT -COMPONENT SIDE -B Q P W B N G 7 0 6 W J N 1 9 4 V - 0 P102 L 1 7 0 1 L 1 7 0 2...
POWER UNIT ( LC-40LE280X /WH ) DUNTKG710FM02 LED IR UNIT DUNTKG667FM01 [2] LCD PANEL LCD HIRAKI PANEL UNIT ( LC-32LE280X /WH ) RLCDTA342WJQZ LCD PANEL MODULE UNIT ( LC-32LE280X /WH ) CLCDTA663WEA5 LCD HIRAKI PANEL UNIT ( LC-40LE280X /WH )
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LC-32LE280X/LC-40LE280X PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT : DUNTKG706FM01/02 C 3320 CHIP CAPACITOR VCKYCZ1AB473KY C 3321 CHIP CAPACITOR VCKYCZ1AB473KY C 3322 CHIP CAPACITOR RC-KZB146WJQZY C 3323 CHIP CAPACITOR RC-KZB146WJQZY C 3324 CHIP CAPACITOR RC-KZA237WJZZY C 3325...
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LC-32LE280X/LC-40LE280X PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT : DUNTKG706FM01/02 FB 3804 CHIP FERRITE BEAD (40") RBLN-A593WJQZY FB 3805 CHIP FERRITE BEAD (40") RBLN-A593WJQZY FB 3806 CHIP FERRITE BEAD (40") RBLN-A593WJQZY FB 3807 CHIP FERRITE BEAD (40")
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LC-32LE280X/LC-40LE280X PRICE PART PARTS CODE DESCRIPTION RANK MARK RANK [3] MAIN UNIT : DUNTKG706FM01/02 R 0117 CHIP RESISTOR (40") VRS-CZ1JF333JY R 0118 CHIP RESISTOR (40") VRS-CZ1JF182JY R 0119 CHIP RESISTOR (40") VRS-CZ1JF472JY R 0501 CHIP RESISTOR VRS-CZ1JF243JY R 0502 CHIP RESISTOR...