Sharp LC-32LE345M Service Manual
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Sharp LC-32LE345M Service Manual

Sharp LC-32LE345M Service Manual

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In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig-
inal condition and only parts identical to those specified should be used.
PRECAUTION................................................i
[1] OUTLINE...........................................1-1
[1] SPECIFICATION.................................2-1
[1] OPERATION MANUAL........................3-1
CHAPTER 4. REMOVING OF MAJOR PARTS
[1] ADJUSTMENT....................................5-1
[2] USB Clone (Smart Loader)...................5-5
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
SERVICE MANUAL
LCD COLOUR TELEVISION
MODEL : LC-32LE345M
CONTENTS
[1]
TROUBLESHOOTING TABLE .........................6-1
[1]
OVERALL WIRING DIAGRAM.........................7-1
[2]
SYSTEM BLOCK DIAGRAM............................7-2
Parts Guide
LC-32LE345M
No.S82M332LE345M
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.

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Summary of Contents for Sharp LC-32LE345M

  • Page 1: Table Of Contents

    SERVICE MANUAL No.S82M332LE345M LCD COLOUR TELEVISION MODEL : LC-32LE345M In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its orig- inal condition and only parts identical to those specified should be used.

  • Page 2: Safety Precaution

    LC-32LE345M SAFETY PRECAUTION LC32LE240M 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.

  • Page 3: Precaution For Using Leed-Free Solder

    LC-32LE345M 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 of lead-free solder.

  • Page 4: Chapter 1. Outline

    LC-32LE345M CHAPTER 1. OUTLINE [1] OUTLINE LC32LE240M PWB UNIT Ref No. Part No. Description RUNTKA999WJPZ MAIN Unit RUNTKA929WJQZ POWER Unit RUNTKA927WJZZ L ED Unit-A RUNTKA928WJZZ LED Unit-B OTHER UNIT Ref No. Part No. Description CLCDTA248WE06 LCD Panel Module Unit, with CAB-A (SMM Module)+Dummy Cab -B & single packaging...

  • Page 5: Chapter 2. Specifications

    Operating Temperature 0° C- 40° C As a part of policy of continuous improvement, SHARP reserves the right to make design and specification change for for product improvement without prior notice. The performance specification figure indicated are nominal values of production units.

  • Page 6: Chapter 3.Operation Manual

    LC-32LE345M CHAPTER 3. OPERATION MANUAL [1] OPERATION MANUAL Part names TV (Front) Remote control sensor POWER indicator Lighted (Red) The TV is in standby mode. Lighted (Green) The TV is on. TV (Rear) POWER (On/Off) button MENU button INPUT button...
  • Page 7 LC-32LE345M 3 – 2...
  • Page 8 LC-32LE345M Attaching the stand Before attaching (or detaching) the stand, unplug the AC cord from the AC outlet. Before performing work spread cushioning over the base area to lay the TV on. This will prevent it from being damaged. Confir r m the screws supplied with the TV.

  • Page 9: Removing Of Major Parts

    LC-32LE345M CHAPTER 4. REMOVING OF MAJOR PARTS LC-32LE240M/340M/240M-RD,WH/340M-RD,WH/243M [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.
  • Page 10 LC-32LE345M 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) REMOVING OF MAJOR PARTREMOVING OF MAJOR PARTREMOVING OF MAJOR PARTREMOVING OF MAJOR PART...
  • Page 11 LC-32LE345M 3. Removing of the Bottom Bracket, MAIN Unit, POWER Unit and Speaker-L/R 1. Remove the 2 screws , 2 screws and detach the Bottom Bracket Remove the 4 screws and detach the MAIN Unit , Side Cover Remove the 4 screws and detach the POWER Unit 4.
  • Page 12 LC-32LE345M 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 Chassis Ass'y LCD Panel Unit CAB-A Ass'y 4 – 4...
  • Page 13 LC-32LE345M 5. Removing LCD Panel Unit 1. Detach the LED PWB-A , LED PWB-B and Heat Spreader and Diffusion Sheet 2. Detach the Reflection Sheet , LGP , Lens Sheet V , Lens Sheet Detach the LCD Panel Unit Detach the Bezel Ass’y from CAB-A 4 –...

  • Page 14: Chapter 5. Adjustment

    LC-32LE345M CHAPTER 5. ADJUSTMENT [1] ADJUSTMENT 1. Entering and cancel the adjustment process mode 1) While holding down the INPUT and Volume DOWN keys at the same time, plug in the AC cord to turn on the power. (“K” standing for inspec- tion process mode is displayed on the upper left position of the screen.)
  • Page 15 LC-32LE345M 5) Software is successfully installed when the following appears at the end of the process. Software Update (USB) 100% 6) Once updating completed, LCD TV will be automatically off and again, after few seconds, automatically restart. 7) Menu • S etup • Identification 4.
  • Page 16 LC-32LE345M 5. White balance adjustment Adjustment item Adjustment conditions Adjustment procedure Adjustment Brightness : MAX For the details of white balance adjustment procedure, please refer to white balance AV Mode : DYNAMIC adjustment spec for Kameyama model. Active Backlight : OFF Set the luminance meter on 1) Confirm the set condition.
  • Page 17 LC-32LE345M 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. Adjustment item...

  • Page 18: Usb Clone (Smart Loader)

    LC-32LE345M [2] USB Clone (Smart Loader) 1. Description The Smart Loader is a function implemented in the service software to easily replicate the user settings of one TV into another. These settings include (but not restricted to): picture and audio, turning set-up, language and country selection, PIN, child locked programs etc.

  • Page 19: Public Setting Procedure

    LC-32LE345M [3] 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) Press the “INPUT” and “VOL (+)” keys on the set at once and turn on the power.
  • Page 20 LC-32LE345M 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 ( )” key (remote controller and set). • To change the settings, use the “cursor RIGHT/LEFT” key (remote controller) and “VOL (+)/(–)” key (remote controller and set).
  • Page 21 LC-32LE345M 3. VOLUME FIXED Selection Selection between “Variable”,''Fixed'' and ''AC/RC CTRL'' ( loop provided ). Default Variable Explanation Sound volume is fixed and made invariable. Limit in setting • The sound volume for the ON-timer (Wake up timer) is fixed also without display of menu. Besides, the setting is made impossible.
  • Page 22 LC-32LE345M 8. OSD DISPLAY Selection Selection between “Yes”, “No” (loop provide) Default Explanation The following OSD displays are made ineffective. Displays of menu group, channel call, sound volume bar and direct key call Limit in setting • Set time of the OFF-timer (SLEEP TIMER) is cleared.
  • Page 23 LC-32LE345M 12. PRESET CHANNEL PLAN Selection Selection between "ON" and "OFF" Default Explanation [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.

  • Page 24: Chapter 6. Troubleshooting Table Troubleshooting Table

    LC-32LE345M CHAPTER 6. TROUBLESHOOTING TABLE [1] TROUBLESHOOTING TABLE Power Supply Trouble The TV set can not power on (No Power Supply) Check if the Power Board is OK Check Pin9&Pin 10 of CN4 for 12V 1. Check E5 for 5V 2.
  • Page 25 LC-32LE345M Display Trouble (White Screen) White Screen Check if the power supply for panel Change Main PWB Pin1,Pin2,Pin3 & Pin4 is OK (12V) Check if the LVDS cable is right and if well Reconnect properly the LVDS cable connected with the board...
  • Page 26 LC-32LE345M Audio Trouble (No Sound) No Sound Check if the volume is rightly set or if Set it rightly mute function is off Check if the output signal on the pin1 & Change Main PWB Pin4 of CNA1 is normal...
  • Page 27 LC-32LE345M 8. Function Trouble (HDMI, YPbPr) HDMI no signal Check if the HDMI cable is OK Change a HDMI cable Check if the hotplug signal is OK? Change Main PWB Check the circuit between the CN7 CN15 Change Main PWB...
  • Page 28 LC-32LE345M Function Trouble (AV, Media) AV no signal Check if the AC cable is OK? Change a AV cable Check the CVBS circuit between the CN19 Change Main PWB and U6 Check the software Can't detect USB Device Check the Pin1 of CN2 for 5V...
  • Page 29 LC-32LE345M Function Trouble ( Audio Out, Digital Audio Output, Headphone) Audio Out No sound Check if the speaker out is OK Check if there is music play Check if there is sound wave on the Change Main PWB CN21 Check if the external amplifier is right...

  • Page 30: Chapter 7. Overall Wiring/Block Diagram

    LC-32LE345M CHAPTER 7. OVERALL WIRING BLOCK DIAGRAM [1] OVERALL WIRING DIAGRAM 7 – 1...

  • Page 31: System Block Diagram

    LC-32LE345M [2] SYSTEM BLOCK DIAGRAM 7 – 2...

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