Sharp LC-70LE632U Service Manual
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Sharp LC-70LE632U 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.
This model is based on the LC-70LE732U and partially modified.
For the contents not covered in this Service Manual, accordingly, please refer to the LC-60LE632U/LC-70LE732U
MODIFIED PARTS ............................................ i
MAJOR SERVICE PARTS................................ ii
CHAPTER 1. SPECIFICATIONS
[1]
[2]
[1]
OPERATION MANUAL..................................2-1
CHAPTER 3. ADJUSTMENT
[1]
ADJUSTMENT PROCEDURE ......................3-1
[2]
[1]
[2]
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 COLOR TELEVISION
MODELS
OUTLINE
CONTENTS
error (Center icon LED used)................. . ....... 4-1
[3]
TROUBLESHOOTING TABLE............... . ....... 4-5
[1]
70LE632U)............................................. . ....... 5-1
[2]
70LE633U)............................................. . ....... 5-2
[3]
70LE632U)............................................. . ....... 5-3
[4]
70LE633U)............................................. . ....... 5-4
........4-1
LC-70LE632U/633U
No. S91T870LE632U
LC-70LE632U
LC-70LE633U
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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  • Page 1: Table Of Contents

    TopPage LC-70LE632U/633U SERVICE MANUAL No. S91T870LE632U LCD COLOR TELEVISION LC-70LE632U LC-70LE633U MODELS 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: (S31O870Le732U) Service Manual

    No Changed POWER Unit (LC-70LE633U) RDENCA442WJQZ LED DRIVER Unit (LC-70LE633U) RUNTKA842WJZZ LCD Control Unit DUNTKF778FM04 DUNTKF778FM13 Chanded LCD Panel Module 70" LCD Panel Module Unit(LC-70LE632U) R1LK695D3GW30Z R1LK695D3GW50Z Chanded 70" LCD Panel Module Unit(LC-70LE633U) R1LK695D3GW30Z R1LK695D3GW60Z Chanded MAIN Unit C9665 Capacitor 0.10 10V Ceramic...

  • Page 3: Major Service Parts

    NOTE: *1 Replace MAIN PWB Unit (DKEYMF733FM26) in case of IC8401, IC3303 or IC8455 failure. OTHER Unit Ref. No. Parts No. Description R1LK695D3GW50Z 70" LCD Panel Module Unit(LC-70LE632U) R1LK695D3GW60Z 70" LCD Panel Module Unit(LC-70LE633U) IC For Exclusive Use Of The Service Ref. No. Parts No.

  • Page 4: Specifications (Lc-60Le632U)

    The dimensional drawings are shown on the inside back cover. As 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.

  • Page 5: Specifications (Lc-70Le633U)

    The dimensional drawings are shown on the inside back cover. As 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.

  • Page 6: Chapter 2. Operation Manual

    LC-70LE632U/633U CHAPTER 2. LC70LE632U OPERATION MANUAL Service Manual [1] OPERATION MANUAL Part Names TV (Front) OPC sensor * Center Icon illumination Remote control sensor * OPC: Optical Picture Control TV (Rear/Side) RS-232C terminal PC IN terminal POWER button MENU VIDEO 2...
  • Page 7 LC-70LE632U/633U POWER: Switch the TV power on or enter standby. Remote Control Unit TV,STB,DVD VCR,AUDIO: Switches the remote control for TV, STB, BD, DVD, VCR and AUDIO operation. * To enter the code registration mode, you need to press an appropriate button (STB,DVD VCR or AUDIO) and DISPLAY at the same time.

  • Page 8: Adjustment Procedure

    LC-70LE632U/633U CHAPTER 3. LC70LE632U ADJUSTMENT Service Manual [1] ADJUSTMENT PROCEDURE The adjustment values are set to the optimum conditions at the factory before shipping. If a value should become improper or an adjustment is required due to part replacement, make an adjustment according to the following procedure.
  • Page 9 LC-70LE632U/633U 2.2.3 How to upgrade the software 1. Unplug the AC cord. 2. Insert the USB Memory for version upgrade into the service socket. 3. Plug in the AC cord with power button pressed down. 4. After 5 seconds, unpress the power button.
  • Page 10 LC-70LE632U/633U 2.3. Monitor microprocessor software version upgrade Create the USB memory for monitor microprocessor software version upgrade in the same manner as explained in the “Main software version upgrade”. Copy the file BSMK_632-732_xxx.USB and BMSDMxxx.SMB. (named temporarily) for monitor microprocessor software version upgrade to the USB memory.
  • Page 11 LC-70LE632U/633U 3. Entering and exiting the adjustment process mode 1) Before entering the adjustment process mode, the AV position RESET in the video adjustment menu. 2) While holding down the “VOL (–)” and “INPUT” keys at a time, plug in the AC cord of the main unit to turn on the power.
  • Page 12 LC-70LE632U/633U 5. List of adjustment process mode menu The character string in brackets [ ] will appear as a page title in the adjustment process menu header. Page Line Item Description Remarks (adjustment detail, etc.) MAIN Version Main software version...
  • Page 13 LC-70LE632U/633U Page Line Item Description Remarks (adjustment detail, etc.) ANALOG RGB ADJ Analog RGB picture level adjustment R A_GAIN G A_GAIN B A_GAIN R OFFSET G OFFSET B OFFSET VCOM ADJ VCOM adjustment value LEV1 Standard value 1 Adjustment gradation setting.
  • Page 14 LC-70LE632U/633U Page Line Item Description Remarks (adjustment detail, etc.) LCD TEST PATTERN LCD TEST PATTERN1 LCD TEST PATTERN2 LCD TEST PATTERN3 LCD TEST PATTERN4 TV TEST PATTERN 1 TV TEST PATTERN 2 T-CON VERSION EXT.1 PRIMROSE 2D Version T-CON VERSION EXT.2 PRIMROSE 3D Version T-CON VERSION EXT.3...
  • Page 15 LC-70LE632U/633U Page Line Item Description Remarks (adjustment detail, etc.) KEY LOCK (1217) KOUTEI AREA ALL CLEAR A MODE AREA CLEAR BACKUP AREA CLEAR B MODE AREA CLEAR EXECUTION ERROR STANDBY CAUSE1 ERROR STANDBY CAUSE2 ERROR STANDBY CAUSE3 ERROR STANDBY CAUSE4...
  • Page 16 LC-70LE632U/633U *1 Details of P1.12 (NORMAL STANDBY CAUSE) When TV set is powered off due to normal use or product specification, the last cause will be recorded. The code, character string and description for the standby cause are below. If you power off by remote, the cause will not be recorded.
  • Page 17 LC-70LE632U/633U 6. Special features * STANDBY CAUSE (Page 1/26) Display of a cause (code) of the last standby The cause of the last standby is recorded in EEPROM whenever possible. Checking this code will be useful in finding a problem when you repair the troubled set.
  • Page 18 LC-70LE632U/633U 8.2. Image adjustment 8.2.1 Device check Before adjustment, check that the adjustment jig and signal source are set for Sharp LCD US. Signal generator level adjustment check (Adjust to the standard value level.) • Composite signal: 0.714Vp-p ± 0.02Vp-p (Pedestal to white) •...
  • Page 19 LC-70LE632U/633U 8.2.5 Component 33K signal adjustment Adjustment point Adjustment conditions Adjustment procedure • Send the 100% color bar signal to the component input. Setting 1080i signal Color saturation: 100% 1080i 100% color bar 100% white 0% black Automatic adjustment exe- Point the cursor to [ COMP33K ADJ(INPUT1)] and press the [Enter] key.
  • Page 20 LC-70LE632U/633U 9. White balance adjustment 9.1. White balance adjustment (For details about the adjustment procedure, refer to “Kameyama Model Integrated Monitor WB Adjustment Specification V1.92”.) Adjustment Adjustment conditions Adjustment procedure point Setting 1) Set the unit to the following conditions.
  • Page 21 LC-70LE632U/633U Adjustment Adjustment conditions Adjustment procedure point [Adjustment standard value] Measuring instrument: [Minolta CA-210] Technical measuring instrument Level Reference value Adjustment spec Inspection spec X=0.272 ±0.0010 ±0.0020 Point 6 y=0.277 X=0.272 ±0.0010 ±0.0020 Point 5 y=0.277 X=0.272 ±0.0015 ±0.0030 Point 4 y=0.277...
  • Page 22 LC-70LE632U/633U 11. Factory setting After completing the factory setting, pull out the AC cord to complete the setting. CAUTION: Do not turn on the power after completing the factory setting. If the power is turned on, configure the factory setting again.

  • Page 23: Public Mode Setting Procedure

    LC-70LE632U/633U [2] PUBLIC MODE SETTING PROCEDURE 1. How to start Public Mode • There are the following two ways to get the public mode setup screen displayed. In the adjustment process mode, turn on “PUBLIC MODE”. Also press the “CH ( )”...
  • Page 24 LC-70LE632U/633U 4. Public Mode Menu The guidance is not displayed on screen. 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 25 LC-70LE632U/633U 5. On Setting Items * “EZ-SETUP” discussed below indicates “EZ-SETUP after the first power-on”. 1) POWER ON FIXED Selection Selection between “Variable” and “Fixed” (loop provided) Default – (Variable) Explanation In “Fixed” setting, the power-off by the power key of the unit is invalidated and the image is kept being received. The power can be turned off by stopping the power supply from AC.
  • Page 26 LC-70LE632U/633U 6) PANEL BUTTON Selection Selection between “Respond” and “No respond” (loop provided) Default Respond Explanation All the operations by keys (except the power key) of the unit can be invalidated. Limit in Setting • Adjustment process, inspection mode and hotel menu mode can be started irrespective of setting.
  • Page 27 LC-70LE632U/633U 10)INPUT MODE FIXED Selection Selection between “Variable”, “Fixed”, “ACON (AC CTRL)” and “AC/RCON (AC/RC CTRL)” (loop provided) Default – (Variable) • At the “Fixed” setting, the TV set gets started with the settings of “Input mode start”, and then any other channels and inputs Explanation are not accepted.
  • Page 28 LC-70LE632U/633U 15)PUBLIC MODE (ON/OFF) Selection Selection between “ON” and “OFF” (loop provided) Default Explanation In case of “ON”, public mode settings are effected. Limit in Setting None Exception None Remarks The public-mode settings are operable only when this item is set at ON.

  • Page 29: Chapter 4. Troubleshooting Table

    LC-70LE632U/633U CHAPTER 4. LC70LE632U TROUBLESHOOTING TABLE Service Manual [1] Failure diagnosis by LED in front of cabinet START Is the Center Icon flashing? Check "[2] LED flashing specification at the time of an error (Center icon LED used)". Is the Center Icon lighting Check Power-Unit and AC-cable.
  • Page 30 LC-70LE632U/633U Table 1. Concrete flashing pattern Detail display Item Cause Slow flashing Fast flashing Inverter/Lamp system failure Flashes once Flashes once Lamp error Power PWB Flashes twice Flash once Power supply error 2 (*2) AC_DET error failure Flash twice Power supply error 2 (*2) UR+13V error (Power failure, etc.)
  • Page 31 LC-70LE632U/633U LED flashing timing chart at the time of an error 100ms 400ms 1.6sec 1) Inverter/Lamp failure details (Flashes slowly once and flashes fast) Note Pins are monitor microcomputer pins unless other- Error type Center icon LED operation wise specified.
  • Page 32 LC-70LE632U/633U 4) Other failure details (Flashes slowly 4 times and flashes fast) Note Pins are monitor microcomputer pins unless other- Error type Center icon LED operation wise specified. Monitor temperature H: On If the panel temperature is 60°C or more for 15 seconds...

  • Page 33: Troubleshooting Table

    LC-70LE632U/633U [3] TROUBLESHOOTING TABLE • LED Backlight does not turn on. If it is not an error of power supply/LED driver, It is start-up in the lamp error disregard mode. Do you start? When main unit is replaced, does it start normally? Replace main unit.
  • Page 34 LC-70LE632U/633U Trouble Shooting Panel Module When C-S FPC is replaced, does screen display normally? Replace C-S FPC. When C-PWB is replaced, does screen display normally? Replace C-PWB. (Adjust “VCOM ADJ” after replace C-PWB) Replace Panel HIRAKI. (Adjust “VCOM ADJ” after replace Panel HIRAKI)
  • Page 35 LC-70LE632U/633U • Picture does not display. No video (1) COMPOSITE: No external input video [INPUT-6] COMPOSITE: No external input video [INPUT-7] Is INPUT-6 selected on the input select menu screen? Is INPUT-7 selected on the input select menu screen? Select INPUT-6 on the input select menu Select INPUT-7 on the input select menu screen for the right input signal.
  • Page 36 LC-70LE632U/633U No video (2) COMPONENT: No external input video [INPUT-5] Is INPUT-5 selected on the input select menu screen? Is the INPUT-SELECT for the input signal? Select INPUT-5 on the input select menu screen for the right input signal. Does the COMP1_PLUG detection function? Check the line between pin (17) of input terminal (J510) and pin (L32) of IC3303 (CPU).
  • Page 37 LC-70LE632U/633U No video (3) No video at UHF/VHF broadcast signal reception No video at digital broadcast signal reception Is the specified TV signal selected on the input select menu screen? Is there the analog video signal output (CVBS) at pin (9) of...
  • Page 38 LC-70LE632U/633U No video (4) PC: No external input video [INPUT-8] Is INPUT-8 selected on the input select menu screen? Select INPUT-8 on the input select menu screen for the right input signal. Is IC1504 (HDMI switch) accessed by I2C, with PC connected, to read the VGA_SCL/SDA data? Check the DDC line and its peripheral circuits.
  • Page 39 LC-70LE632U/633U <HDMI input> No video (5)-1 HDMI: No external input video [INPUT-1] Is INPUT-1 selected on the input select menu screen? Select INPUT-1 on the input select menu screen for the right input signal. Does the HOT PLUG detection function? Check the line between the input terminals of SC1503 and IC1504.
  • Page 40 LC-70LE632U/633U <HDMI input> No video (5)-2 HDMI: No external input video [INPUT-2] Is INPUT-2 selected on the input select menu screen? Select INPUT-2 on the input select menu screen for the right input signal. Does the HOT PLUG detection function? Check the line between the input terminals of SC1502 and IC1504.
  • Page 41 LC-70LE632U/633U <HDMI input> No video (5)-3 HDMI: No external input video [INPUT-3] Is INPUT-3 selected on the input select menu screen? Select INPUT-3 on the input select menu screen for the right input signal. Does the HOT PLUG detection function? Check the line between the input terminals of SC1501 and IC1504.
  • Page 42 LC-70LE632U/633U <HDMI input> No video (5)-4 HDMI: No external input video [INPUT-4] Is INPUT-4 selected on the input select menu screen? Select INPUT-4 on the input select menu screen for the right input signal. Does the HOT PLUG detection function? Check the line between the input terminals of SC1505 and IC1504.
  • Page 43 LC-70LE632U/633U • Does not sound. No audio (1) INPUT-6 No audio. INPUT-7 No audio. INPUT-5 No audio. Is INPUT-6 selected on the input select Is INPUT-7 selected on the input select Is INPUT-5 selected on the input select menu screen?
  • Page 44 LC-70LE632U/633U No audio (2) [PC analog audio input] INPUT-8 No audio. [HDMI analog audio input] INPUT-2 No audio. Is INPUT-8 selected on the input select menu screen? Is INPUT-2 selected on the input select menu screen? Refer to “: No external input video [INPUT-8]”.
  • Page 45 LC-70LE632U/633U No audio (3) No audio at UHF/VHF broadcast signal reception. No audio at digital broadcast signal reception. Is TV selected on the input select menu screen? Is TV selected on the input select menu screen? Refer to “No video at UHF/VHF broadcast signal Refer to “No video at digital broadcast signal...
  • Page 46 LC-70LE632U/633U No audio (4) INPUT-1 No audio (HDMI connected) INPUT-2 No audio (HDMI connected) INPUT-3 No audio (HDMI connected) INPUT-4 No audio (HDMI connected) [INPUT-1 input] Is INPUT-1 selected on the input select menu screen? [INPUT-2 input] Is INPUT-2 selected on the input select menu screen?
  • Page 47 LC-70LE632U/633U No audio signal at Digital Audio Output terminal (Analog sound heard) No INPUT-1/2/3/4 (HDMI) audio. No audio at digital broadcast signal reception. If no video appears, refer to “No external input video (HDMI) If no video appears, refer to “No video at digital broadcast signal [INPUT-1/2/3/4]”.
  • Page 48 LC-70LE632U/633U No monitor audio output Is the audio output from the monitor set at “VARIABLE” or “FIXED” on the menu screen? Check IC3303 (CPU) and its peripheral circuits. Are there the audio signal outputs at pins (AJ31) (HP_MON_L) and (AJ32) (HP_MON_R) of IC3303 (CPU)? Check IC3303 (CPU) and its peripheral circuits.

  • Page 49: Chapter 5. Overall Wiring/System Block Diagram

    LC-70LE632U/633U LC70LE632U CHAPTER 5. OVERALL WIRING/SYSTEM BLOCK DIAGRAM Service Manual [1] OVERALL WIRING DIAGRAM (LC-70LE632U) 5 – 1...

  • Page 50: Overall Wiring Diagram (Lc-70Le633U)

    LC-70LE632U/633U [2] OVERALL WIRING DIAGRAM (LC-70LE633U) 5 – 2...

  • Page 51: System Block Diagram (Lc-70Le632U)

    LC-70LE632U/633U [3] SYSTEM BLOCK DIAGRAM (LC-70LE632U) CVBS2_IN CVBS MAIN INPUT CVBS2_IN_L/R T-CON VBO_LOCKN CVBS1_IN VBO_HTPDN INPUT CVBS CVBS1_IN_L/R I2C_READY PNL_EN N_PNL_EN COMP1_IN_L/R INPUT PNL_WP COMP1_Y/Pb/Pr Component OFL1_FRCRST I2C_0 (400KHz) [SP] I2C_0 (400KHz) +13V SPEAKER P2701 IC2703 EXT-SP SP AMP(2CH) +3.3V...

  • Page 52: System Block Diagram (Lc-70Le633U)

    LC-70LE632U/633U [4] SYSTEM BLOCK DIAGRAM (LC-70LE633U) CVBS2_IN CVBS MAIN INPUT CVBS2_IN_L/R T-CON VBO_LOCKN CVBS1_IN VBO_HTPDN INPUT CVBS CVBS1_IN_L/R I2C_READY PNL_EN N_PNL_EN COMP1_IN_L/R INPUT PNL_WP COMP1_Y/Pb/Pr Component OFL1_FRCRST I2C_0 (400KHz) [SP] I2C_0 (400KHz) +13V SPEAKER P2701 IC2703 EXT-SP SP AMP(2CH) +3.3V...

  • Page 53: Parts Guide

    LC-70LE632U/633U PartsGuide PARTS GUIDE No. S91T870LE632U LCD COLOR TELEVISION LC-70LE632U LC-70LE633U MODELS CONTENTS PRINTED WIRING BOARD CABINET PARTS ASSEMBLIES SUPPLIED ACCESSORIES/ LCD PANEL MODULE UNIT PACKING PARTS DKEYMF733FMN8 (MAIN Unit) SERVICE JIGS (USE FOR SERVICING) 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.
  • Page 54 LC-70LE632U/633U [1] PRINTED WIRING BOARD ASSEMBLIES...
  • Page 55 POWER Unit (for LC-70LE633U) RDENCA442WJQZ LED DRIVE Unit (for LC-70LE633U) RUNTKA842WJZZ WiFi Unit RUNTKA810WJQZ [2] LCD PANEL MODULE UNIT 70" LCD Panel Module Unit (LK695D3GW50Z) (for LC-70LE632U) R1LK695D3GW50Z 70" LCD Panel Module Unit (LK695D3GW60Z) (for LC-70LE633U) R1LK695D3GW60Z [3] DKEYMF733FMN8 (MAIN Unit) C9665 VCKYCZ1AB104KY Capacitor 0.10 10V Ceramic...
  • Page 56 LC-70LE632U/633U [4] CABINET PARTS WiFi Unit R/C OPC Unit ICON Unit 30-2 30-1 30-1 30-2 30-1 30-2 Only LC-70LE632U Only LCD CONTROL Unit LC-70LE633U 70" LCD Panel Module Unit Only LC-70LE633U KEY Unit MAIN Unit POWER Unit Only Only LC-70LE632U...
  • Page 57 LC-70LE632U/633U PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [4] CABINET PARTS Front Cabinet Ass'y (for LC-70LE632U) CCABAC768WJ35 Front Cabinet Ass'y (for LC-70LE633U) CCABAC768WJ36 Front Cabinet Not available R/C OPC Cover Not available Front Decoration (for LC-70LE632U) HDECQB619WJ3D Front Decoration (for LC-70LE633U)
  • Page 58 LC-70LE632U/633U [5] SUPPLIED ACCESSORIES/PACKING PARTS Stand support Ass'y (x2) Stand Base Ass'y (x1) Stand Screw Ass'y (x1) Remote control unit (x1) Enquete card Guarantee card “AAA” size battery (x2) Operation manual (x1) Connection guide (x1)
  • Page 59 Operation Manual (for LC-70LE633U) TINS-F159WJN2 Connection Guide TMAN-A043WJZZ Not available AAA size battery, x2 SPAKCG531WJZZ Packing Case (NOT REPLACEMENT ITEM) (for LC-70LE632U) SPAKCG532WJZZ Packing Case (NOT REPLACEMENT ITEM) (for LC-70LE633U) Packing Case (Bottom) (NOT REPLACEMENT ITEM) SPAKCG317WJZZ Wrapping Paper (NOT REPLACEMENT ITEM) SPAKPB733WJZZ...
  • Page 60 LC-70LE632U/633U COPYRIGHT © 2011 BY SHARP CORPORATION ALL RIGHTS RESERVED. No Part of this publication may be reproduced, stored in a retrieval system, or transmitted in any from or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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