Sharp lc-32rd8 Service Manual
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Sharp lc-32rd8 Service Manual

Sharp lc-32rd8 Service Manual

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TopPage
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.
SAFETY PRECAUTION
CAUTION ............................................... . ............i
PRECAUTIONS FOR USING LEAD-FREE
SOLDER ................................................ . ...........ii
CHAPTER 1. SPECIFICATIONS
[1]
Specifications ................................. . ....... 1-1
[2]
Operation Manual .......................... . ....... 1-2
[3]
Dimensions ........................................ . ....... 1-5
[1]
REMOVING OF MAJOR PARTS ........... . ....... 2-1
[1]
After replacement of any PWB and/or IC for
repair, note the following. ....................... . ....... 3-1
[2]
Software Updating........................ . ....... 3-1
[3]
Entering and exiting the adjustment pro-
cess mode.............................................. . ..... 3-18
[4]
Remote controller key operation and de-
scription of display in adjustment process
mode. ..................................................... . ..... 3-18
[5]
Adjustment Process Mode Menu............ . ..... 3-19
[6]
Special Features...................................... . ..... 3-20
[7]
Tuner Adjustment Procedure .................. . ..... 3-21
[8]
Common Bias Adjustment ...................... . ..... 3-21
[9]
White Balance Adjustment ..................... . ..... 3-22
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
LC-32RD8E-BK/GY
LC-32RD8S-BK/GY
LC-32RD8RU-BK/GY
CONTENTS
[10] Adjusting procedure by use of [RS-232C] ......3-23
[12] Lamp error detection ...................................3-24
[13] Public Mode (Hotel Mode) ...........................3-25
CHAPTER 4. TROUBLESHOOTING TABLE
[1]
Troubleshooting TABLE ......................4-1
CHAPTER 5. BLOCK DIAGRAM/OVERALL WIRING
[1]
BLOCK DIAGRAM.........................................5-1
[2]
System Block Diagram .........................5-3
[3]
Overall Wiring Diagram ......................5-4
CHAPTER 6. PRINTED WIRING BOARD ASSEM-
BLIES
[1]
Main Unit ......................................................6-1
[2]
R/C, Led Unit ................................................6-5
[3]
Mini Av Unit ..................................................6-6
[4]
Key ...............................................................6-7
CHAPTER 7. SCHEMATIC DIAGRAM
[1]
DESCRIPTION OF SCHEMATIC DIA-
GRAM............................................................7-1
[2]
Schematic Diagram ................................7-2
LC-32RD8E/S/RU-BK/GY (1st Edition)
No. S78M3LC32RD8E
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: Service Manual

    TopPage LC-32RD8E/S/RU-BK/GY (1st Edition) SERVICE MANUAL No. S78M3LC32RD8E LCD COLOUR TELEVISION LC-32RD8E-BK/GY LC-32RD8S-BK/GY LC-32RD8RU-BK/GY 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. CONTENTS SAFETY PRECAUTION [10] Adjusting procedure by use of [RS-232C] ..3-23...

  • Page 2: Safety Precaution

    LC-32RD8E/S/RU-BK/GY (1st Edition) LC32RD8E-BK SAFETY PRECAUTION Service Manual 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 • Use an AC voltmeter having with 5000 ohm per volt, or higher, sen- sitivity or measure the AC voltage drop across the resistor.
  • Page 3 LC-32RD8E/S/RU-BK/GY (1st Edition) 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. Example: Indicates lead-free solder of tin, silver and copper.

  • Page 4: Specifications

    Operating temperature 0°C to + 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.

  • Page 5: Operation Manual

    LC-32RD8E/S/RU-BK/GY (1st Edition) [2] OPERATION MANUAL Remote control unit (Standby/On) 17 DTV Enter standby mode or turn on the Press to access DTV mode while watching other input sources, and vice power. versa. AV MODE (This button will not work if you were Select a video setting.
  • Page 6 LC-32RD8E/S/RU-BK/GY (1st Edition) TV (Front view) Remote control sensor OPC indicator OPC sensor (Standby/On) indicator TV (Rear view) (Power button) ( / ) (Volume buttons) MENU button (Programme [channel] buttons) (Input Source) button WARNING: Make sure that the volume is turned down before using or connecting earphones and headphones.
  • Page 7 LC-32RD8E/S/RU-BK/GY (1st Edition) Appendix Troubleshooting Problem Possible Solution • No power. • Check if you pressed on the remote control unit. If the indicator on the TV lights up red, press • Is the AC cord disconnected? • Check if you pressed on the TV.

  • Page 8: Dimensions

    LC-32RD8E/S/RU-BK/GY (1st Edition) [3] DIMENSIONS [mm] 73.9 94.5 776.0 699.2 230.0 402.0 200.0 1 – 5...
  • Page 9 LC-32RD8E/S/RU-BK/GY (1st Edition) CHAPTER 2. LC32RD8E-BK REMOVING OF MAJOR PARTS Service Manual [1] REMOVING OF MAJOR PARTS 1. Remove the 4 lock screws and detach the Stand. 2. Remove the 3 lock screws , 6 lock screws , 2 lock screw and detach the Rear Cabinet.

  • Page 10: Key Unit

    LC-32RD8E/S/RU-BK/GY (1st Edition) 3. Remove the 3 lock screws , 2 lock screws , 2 lock screws , 1 lock screw and detach the Main Shield. 4. Disconnect all the connectors from all the PWBs. 5. Remove the KEY Unit Ass'y Main Shield Operation Button KEY Unit...

  • Page 11: Main Unit

    LC-32RD8E/S/RU-BK/GY (1st Edition) 6. Remove the Speaker (L) , (R) 7. Remove the 4 lock screws the 1 hook and detach the POWER/INVERTER Unit. 8. Remove the 2 lock screws , the 1 hook and detach the MAIN Unit. 9. Remove the 2 lock screws , the 2 hooks and detach the MINI AV Unit.

  • Page 12: Bottom Cover

    LC-32RD8E/S/RU-BK/GY (1st Edition) 10.Remove the 1 lock screw and detach the Bottom Cover. 11.Remove the 2 lock screws and detach the Stand Fix Angle. 12.Remove the R/C, LED Unit R/C,LED Unit Stand Fix Angle Bottom Cover 2 – 4...
  • Page 13 LC-32RD8E/S/RU-BK/GY (1st Edition) 13.Remove the 6 lock screws , the 6 lock hooks and detach the LCD Panel Module. 14.Remove the 2 lock screws and detach the LCD Fix Angle-A. 15.Remove the 2 lock screws and detach the LCD Fix Angle-B. 16.Remove the 10 lock screws and detach the Panel Fix Angle.

  • Page 14: Repair, Note The Following

    LC-32RD8E/S/RU-BK/GY (1st Edition) CHAPTER 3. LC32RD8E-BK ADJUSTMENT Service Manual [1] After replacement of any PWB and/or IC for repair, note the following. When replacing the following units, be sure to prepare the new units loaded with updated software. MAIN-UNIT: DUNTKE672FM01 •...
  • Page 15 LC-32RD8E/S/RU-BK/GY (1st Edition) 4) Click on “File\Properties” menu for selecting the General and ASCII properties as follows: 5) Select “New Connection” in the File Menu. 6) Answer “Yes” to close current connection and “Yes” to save session “P55_9600bps”. 7) Create a new connection with the name “P55_115200bps”. 8) Select a the same COM port used in item 2 and select the Port Settings properties as follows: 9) Select the same General and ASCII properties as item 3.
  • Page 16 LC-32RD8E/S/RU-BK/GY (1st Edition) 1) Check the connection between TV set and PC, sending a wrong command, as for example: “aaa”. TV set returns an “ERR” label as an syn- taxes ERROR (Not correct order or sequence). 2) Send the command “DWMD” to enter TV set in Download Mode. The TV set answer sending same symbol continuously. If this symbol charac- ter doesn’t appear, please don’t worry and pass to next step.
  • Page 17 LC-32RD8E/S/RU-BK/GY (1st Edition) 2. RS-232C Method Description (Tera Term) The hardware tools requirement are: 1. A Modem-null (Cross type) DB9 female to DB9 female cable. 2. Make the connections as indicated in the figure: Computer TV set TV Set RS-232C IOIOI Software requirements: To upgrade VCTp software from RS-232C external connector is necessary to use a Tera Term (Pro) free software.
  • Page 18 LC-32RD8E/S/RU-BK/GY (1st Edition) 1) Select: Serial→COM X→ O.K. 2) Select: Terminal 3) Choose the same options as the above picture. 3 – 5...
  • Page 19 LC-32RD8E/S/RU-BK/GY (1st Edition) 4) Select: Setup → Serial port → O.K. Appear the follow screen: 5) Select follows settings: Serial port to use: COM x Baud rate: 9600 Data: 8 bits Parity: none Stop: 1 bit Flow control: none Enter O.K. 6) Check the connection between TV set and PC, sending a wrong command, as for example: “aaa”.
  • Page 20 LC-32RD8E/S/RU-BK/GY (1st Edition) 7) Select: File → Transfer → XMODEM → Sent 8) Choose the file for upgrade and click “Open”. 9) After select “Open” the upgrade process starts as follows: 3 – 7...
  • Page 21 LC-32RD8E/S/RU-BK/GY (1st Edition) 10)When flash update process finishes, the “Flash programming complete” label appear in the screen, the device automatically go to switch off, and in a few seconds go to switch on again. VERY IMPORTANT NOTE: During the updating time, please don’t use the PC for other purposes, in order to abolish communication problems between TV set and PC. If TV set was not updated properly, the TV won’t have the software to startup again, and you must follow the “I2C method”...
  • Page 22 LC-32RD8E/S/RU-BK/GY (1st Edition) • How to setup the “Winupload” software for the first time: 1. Start “Winupload”. It will appear the following picture. 2. Select the most suitable RS232 Serial Port from “Port Setting” - “Process” Menu. 3. Select the following settings from “Port Settings” Menu. Bits Per Second: 115200 Parity: None Data bits: 8...
  • Page 23 LC-32RD8E/S/RU-BK/GY (1st Edition) 3. Establish connection on Winupload Software. 4. Select “Upload URT file” 5. Select and open the “.urt” data file from data directory NOTE: Consider the version shown below just an example, may be is not the latest one, and could be different depending on the TV set destination (market/Country) or model.
  • Page 24 LC-32RD8E/S/RU-BK/GY (1st Edition) While the TV set is uploading the software, the following information is shown on the TV set screen. Then, data transfer from PC to TV set finishes when the “Upload progress completed” label appears in the “Winupload” screen. Now, the TV set made some additional verification (Items #2 to #7).
  • Page 25 LC-32RD8E/S/RU-BK/GY (1st Edition) 4. Software Version Upgrade Using Card 1. Write the software (ATV and DTV) on the PCMCIA CARD by following the procedure described in the separate document, “How to write software (ATV and DTV) to PCMCIA CARD”. (* In the document, both ATV and DTV are written; you may write either of them.) (You can equally use any version after “Storage Media Manager Version 1.3.1”.) 2.
  • Page 26 LC-32RD8E/S/RU-BK/GY (1st Edition) 6. The message, “SYSTEM SOFTWARE UPDATE IN PROGRESS..” appears again and the DTV software upgrade starts. Then the step proceeds to (7). 7. After a short time, the message, “Congratulations! ...” appears. The upgrade is complete. (Note: You cannot downgrade the ATV software but can downgrade the DTV software.) 3 –...
  • Page 27 LC-32RD8E/S/RU-BK/GY (1st Edition) 3 – 14...
  • Page 28 LC-32RD8E/S/RU-BK/GY (1st Edition) 3 – 15...
  • Page 29 LC-32RD8E/S/RU-BK/GY (1st Edition) 3 – 16...
  • Page 30 LC-32RD8E/S/RU-BK/GY (1st Edition) 3 – 17...

  • Page 31: Entering And Exiting The Adjustment Pro Cess Mode

    LC-32RD8E/S/RU-BK/GY (1st Edition) [3] Entering and exiting the adjustment process mode 1) Unplug the AC power cord of running TV set to force off the power. 2) While holding down the “VOL (-)” and “INPUT” keys on the set at once, plug in the AC power cord to turn on the power. The letter appears on the screen.

  • Page 32: Adjustment Process Mode Menu

    LC-32RD8E/S/RU-BK/GY (1st Edition) [5] 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.) 1/11 [INFO] Main Version LDX8E 01XX(XX/XX0/XX) Main microprocessor version Dev Version DTV microprocessor version...

  • Page 33: Special Features

    LC-32RD8E/S/RU-BK/GY (1st Edition) Page Line Item Description Remarks (adjustment detail, etc.) 8/11 [M GAMMA 1-3] M GAMMA R 1 W/B adjustment, gradation 1R adjustment value M GAMMA G 1 W/B adjustment, gradation 1G adjustment value M GAMMA B 1 W/B adjustment, gradation 1B adjustment value M GAMMA R 2 W/B adjustment, gradation 2R adjustment value M GAMMA G 2...

  • Page 34: Tuner Adjustment Procedure

    LC-32RD8E/S/RU-BK/GY (1st Edition) [7] Tuner adjustment procedure * The adjustment process mode menu is listed in Section 5. Adjustment point Adjustment Conditions Adjustment procedure Setting [Signal] • Feed the RF signal (PAL colour bar) to TUNER. • Make sure the PAL colour bar pattern has the sync level of 7:3 with Sprit Field Colour Bar the picture level.

  • Page 35: White Balance Adjustment

    LC-32RD8E/S/RU-BK/GY (1st Edition) [9] White Balance Adjustment Adjustment gradation values (IN) appear on page 7/11 of process adjustment, and adjustment initial values (offset value) appear on pages 8/11 and 9/11. For white balance adjustment, adjust the offset values on pages 8/11 and 9/11. [Condition of the unit for inspection] Modulated light: MAX (+8) [Adjustment reference device] Minolta CA-210 [Adjustment]...

  • Page 36: Adjusting Procedure By Use Of [Rs-232C]

    LC-32RD8E/S/RU-BK/GY (1st Edition) [10] Adjusting procedure by use of [RS-232C] 1) Get ready the PC with COM port (RS-232C) running on Windows 95/98/ME/2000/XP operating system, as well as the RS-232C cross cable. 2) Start the unit with the RS-232C cable connected. 3) Start the terminal software.

  • Page 37: Initialization To Factory Settings

    LC-32RD8E/S/RU-BK/GY (1st Edition) [11] Initialization to factory settings Caution: When the factory settings have been made, all user setting data, including the channel settings, are initialized. (The adjustments done in the adjustment process mode are not initialized.) Keep this in mind when initializing these settings. Adjustment item Adjustment conditions Adjustment procedure...

  • Page 38: Public Mode (Hotel Mode)

    LC-32RD8E/S/RU-BK/GY (1st Edition) [13] Public Mode (Hotel Mode) 1. How to Enter in the Public Mode (Hotel Mode). Turn on the power and enter in the Adjustment Process mode as usual. In the [INIT], Page 2/11 of Service, turns ON the Public Mode option. Turn off TV by pressing Main Power switch.
  • Page 39 LC-32RD8E/S/RU-BK/GY (1st Edition) 11.RESET Cancel all Public Mode settings. (It returns to the factory settings) 12.EXECUTE Select this item, and press cursor RIGHT / LEFT keys on the remote control or VOL (+) / (-) keys on the LCD TV for confirmation the functions set- tings.
  • Page 40 LC-32RD8E/S/RU-BK/GY (1st Edition) CHAPTER 4. LC32RD8E-BK TROUBLESHOOTING TABLE Service Manual [1] TROUBLESHOOTING TABLE No power supply (Front LED does not light up) and no power-up even if turned on (Front LED light up). Is the wire harness in the unit properly connected? Reconnect and recheck the wire harness.
  • Page 41 LC-32RD8E/S/RU-BK/GY (1st Edition) The backlight does not light Check each fluorescent lamp, and replace if defective. Are all fluorescent lamps on? (CN7503-12, etc.) Is a voltage of 60V supplied to the source of Q7501 and Check if the peripheral circuits are short-circuited or parts are faulty. Q7503? (Q7501, Q7502, Q7503, Q7504, etc.) Refer to "No power supply (Front LED does not light up)"...
  • Page 42 LC-32RD8E/S/RU-BK/GY (1st Edition) The sound is not emitted from the speaker though the picture has come out. No sound output in all modes. Is the audio signal output from pins(28/L), (27/R) of Check IC3001 and its peripheral circuits. IC3001 (MAIN_MICON) normal? Is audio signal input to pin(5/L), (9/R) of IC2701(AMP)? Check the line between IC3001 and IC2701.
  • Page 43 LC-32RD8E/S/RU-BK/GY (1st Edition) No sound (during the reception of TV(DIGITAL) broadcasting) Does not the sound go out though the picture has come out when DTV is received? Is the audio signal output from pins(24, 25/ LETFT_M/P), (28, 29/ RIGH_M/P) of IC4001 Check IC4001 and its peripheral circuits.
  • Page 44 LC-32RD8E/S/RU-BK/GY (1st Edition) No sound from external input devices (2) Does not the sound of the audio signal input to EXT3 go out? MINI AV UNIT: Is audio signal output from pins(5/IN3L), (4/IN3R) of input Check connection of between from J1002 to SC1001 and the exter- terminal J1002 to pins(8), (6) of connector SC1001? nal input device.
  • Page 45 LC-32RD8E/S/RU-BK/GY (1st Edition) No sound from external input devices (3) Does not the sound of the audio signal input to EXT4 go Does not the sound of the audio signal input to EXT6(Analog) go out? out? Whether "Analog" has selected it in the Audio setup of the HDMI option is checked.
  • Page 46 LC-32RD8E/S/RU-BK/GY (1st Edition) No sound from external input devices (5) Does not the sound of the audio signal input to EXT6/7(HDMI) go out? Refer to “Does not the picture of the HDMI signal input to EXT6/7 go Is picture of the signal input from EXT6/7 displayed? out?”...
  • Page 47 LC-32RD8E/S/RU-BK/GY (1st Edition) The audio signal is not output (2) No audio signal output from SCART2 terminal. Is audio signal sent to pins (3/L-ch), (1/R-ch) of Check the connection to SCART2 and external input devices. SCART2(SC1101)? Check the peripheral circuits of IC2302 and S2-MUTE_LINE. Is S2-MUTE-LINE [pin(63) of IC2302(SUB_MICON)] at H? (Q1102, etc.) Is audio signal sent to pins (22/L-ch), (21/R-ch) of...
  • Page 48 LC-32RD8E/S/RU-BK/GY (1st Edition) The audio signal is not output (4) No sound from HEADPHONE_OUTPUT terminal. Is the HP_PLUG signal input into pin(208) of Check the line between J1003 and IC3001. MAIN_UNIT's IC3001 (MAIN_MICON) from pin(6) of a (SC1001/P1001, IC3001, etc.) HEADPHONE_OUTPUT terminal J1003? Is the audio signal output to pins(2/L-ch), (3/R-ch) of Check HEADPHONE (J1003) or peripheral circuits.
  • Page 49 LC-32RD8E/S/RU-BK/GY (1st Edition) No picture on the display (1) The picture doesn't appear in all modes. Are there the RDI[0:9], GDI[0:9], BDI[0:9], VCT_ENI, VCT_VI, VCT_HI and VCT_PCLKI signal outputs from IC3001 Check IC3001 and its peripheral circuits. (MAIN_MICON)? Are there the RDI[0:9], GDI[0:9], BDI[0:9], VCT_ENI, VCT_VI, VCT_HI and VCT_PCLKI signal inputs at IC3301 Check the line between IC3001 and IC3301.
  • Page 50 LC-32RD8E/S/RU-BK/GY (1st Edition) Are the gradation signals (VH/VL_247, 191, 159, 63, 31, 0) Check IC7003 and that the communication between its peripheral normally sent from IC7102 (GLAY_LEVEL_GENERATION) to circuits and IC7102 is normal. (Each line of DAC_CLK/DATA/ SC7101/SC7102? LATCH) Check the connectors SC7101/SC7102 and LCD panel. No picture on the display (2) Does not the picture come out when VHF/UHF is received? Is the video signal(VIN1) output from pin (6) of...
  • Page 51 LC-32RD8E/S/RU-BK/GY (1st Edition) Is the MPEG data (FED[0:7], FECLK, FEVALID, FESTROUT) Check if the line between IC207 and IC4001 and the control signals output its from IC207 to IC4001? FESCL and FESDA are normal. Does X4001(27MHz) of IC4001 oscillate? Check the X4001 and their peripheral circuits. Check if IC4001, IC4201(SDRAM), IC4251(FLASH_MEMORY) and Are the video signals (DTV_R/G/B, DTV_CVBS) output from IC4202(B+2.5V_REG) are normal.
  • Page 52 LC-32RD8E/S/RU-BK/GY (1st Edition) [External input EXT1,EXT2] No picture on the display (5) Does not the picture of the R/G/B signal input to EXT1 go out? Does not the picture of the R/G/B signal input to EXT2 go out? <EXT1> Is RGB1 signal sent to pins (15)/R1, (11)/G1 and (7)/B1 Check the setting of an external input device that connects of SC1102.
  • Page 53 LC-32RD8E/S/RU-BK/GY (1st Edition) [External input EXT3] No picture on the display (7) Does not the picture of the CVBS signal input to EXT3 go out? Is CVBS signal output from pin(6) in input Check the line between J1002 and SC1001. terminalJ1002 to pin(10) of connector SC1001? Is the CVBS signal input from pin(10) of connector Check the line between P1001 and IC1001.
  • Page 54 LC-32RD8E/S/RU-BK/GY (1st Edition) [External input EXT4] No picture on the display (9) Does not the picture of the DVI(ANALOG) video signal input to EXT4(15pin-D-SUB terminal) go out? Are the video signal and the synchronized signal input Check the connection and setup with the external DVI devices. from pin(1, 2, 3)/(R, G, B), (13 and 14)/(V, H) of input terminal D-SUB (SC1201)? Is EDID data pin (6)/SCL, (5)/SDA of IC1201(EEPROM)
  • Page 55 LC-32RD8E/S/RU-BK/GY (1st Edition) [External input EXT6/7] No picture on the display (11) Does not the picture of the HDMI signal input to EXT6/7 go out? EXT7 EXT7 Is the Hot plug detection function output from pin (19) of Check between SC1901 and pin(205) of IC3001(MAIN_MICON). the HDMI terminal (SC1901) normal? (Q1905, etc.) EXT6...
  • Page 56 LC-32RD8E/S/RU-BK/GY (1st Edition) <During external connection> No picture on the monitor (1) SCART1 No picture appears on EXT1 - connected monitor during the tuner (U/V) reception. Is CVBS signal output into pin(19) of SC1102(SCART1) Check the setting of an external input device that connects of SC1102. from pin(2) of IC1102(SW)? Is CVBS signal output from PIN(195) of Check the line between IC1102 and SC1102.
  • Page 57 LC-32RD8E/S/RU-BK/GY (1st Edition) <During external connection> No picture on the monitor (3) SCART2: No picture from EXT1 appears on EXT2-connected monitor. Is CVBS signal output into pin(19) of SC1101(SCART2) Check the setting of an external input device that connects of SC1101. from pin(2) of IC1101(SW)? Is CVBS signal output from pin(194) of Check the line between IC1101 and SC1101.
  • Page 58 LC-32RD8E/S/RU-BK/GY (1st Edition) <During external connection> No picture on the monitor (4) SCART2: No picture from EXT3 appears on EXT2- connected monitor. Is CVBS signal output into pin(19) of SC1101(SCART2) Check the setting of an external input device that connects of SC1101. from pin(2) of IC1101(SW)? Is CVBS signal output into pin(194) of Check the line between IC1101 and SC1101.

  • Page 59: Chapter 5. Block Diagram/Overall Wiring 1] Block Diagram

    LC-32RD8E/S/RU-BK/GY (1st Edition) LC32RD8E-BK CHAPTER 5. BLOCK DIAGRAM/OVERALL WIRING Service Manual [1] BLOCK DIAGRAM MAIN BLOCK DIAGRAM (1/2) 5 – 1...
  • Page 60 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN BLOCK DIAGRAM (2/2) 5 – 2...

  • Page 61: System Block Diagram

    LC-32RD8E/S/RU-BK/GY (1st Edition) [2] SYSTEM BLOCK DIAGRAM SYSTEM BLOCK DIAGRAM 5 – 3...

  • Page 62: Overall Wiring Diagram

    LC-32RD8E/S/RU-BK/GY (1st Edition) [3] OVERALL WIRING DIAGRAM OVER ALL WIRING DIAGRAM 5 – 4...

  • Page 63: Blies 1] Main Unit

    LC-32RD8E/S/RU-BK/GY (1st Edition) LC32RD8E-BK CHAPTER 6. PRINTED WIRING BOARD ASSEMBLIES Service Manual [1] MAIN Unit MAIN Unit (Side-A) 6 – 1...
  • Page 64 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (Chip Side-A) R4243 SC7101 SC7102 P3071 C4233 LUG1701 LUG1706 IC4202 C4227 R4244 C4230 C4231 C4001 C4002 C7119 LUG3002 C7102 C238 L7108 C7124 R238 C7123 C7129 C7128 C4221 C7127 L7102 L7101 L7109 R237 R239 R240 L7107 L7106 L7105 L7104...
  • Page 65 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (Side-B) 6 – 3...
  • Page 66 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (Chip Side-B) C7131 R4245 R4240 R7143 C3074 C3075 D4201 R4418 C3076 C7121 FB7002 FB7001 C4032 R4048 C244 R4014 R7001 C237 R4269 C242 C248 C4256 C7041 C239 C4412 C4236 C7019 C241 R4458 R4561 C230 C231 C7003 R7040 C7035 R4452...

  • Page 67: R/C, Led Unit

    LC-32RD8E/S/RU-BK/GY (1st Edition) [2] R/C, LED Unit R/C, LED Unit (Side-A) R/C, LED Unit (Chip Side-A) R120 C104 R126 R107 C108 Q102 R119 C107 SLD101 R121 P101 P102 R104 R124 RMC102 IC102 RMC101 IC101 D103 D114 D115 R135 R109 R106 R105 R123 R118...

  • Page 68: Mini Av Unit

    LC-32RD8E/S/RU-BK/GY (1st Edition) [3] MINI AV Unit MINI AV Unit (Side-A) 6 – 6...
  • Page 69 LC-32RD8E/S/RU-BK/GY (1st Edition) [4] KEY KEY Unit (Side-A) KEY Unit (Chip Side-A) R154 D155 R152 P151 6 – 7...

  • Page 70: Description Of Schematic Dia Gram

    LC-32RD8E/S/RU-BK/GY (1st Edition) LC32RD8E-BK CHAPTER 7. SCHEMATIC DIAGRAM Service Manual [1] DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. The voltages at test points are measured on exclusive AC adaptor and the stable supply voltage of AC 230V. Signals are fed by a colour bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester. INDICATION OF RESISTOR &...

  • Page 71: Schematic Diagram

    LC-32RD8E/S/RU-BK/GY (1st Edition) [2] SCHEMATIC DIAGRAM MAIN Unit (1/14) AND SHADED COMPONENTS=SAFETY RELATED PARTS 7 – 2...
  • Page 72 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (2/14) 7 – 3...
  • Page 73 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (3/14) 7 – 4...
  • Page 74 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (4/14) 7 – 5...
  • Page 75 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (5/14) 7 – 6...
  • Page 76 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (6/14) 7 – 7...
  • Page 77 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (7/14) 7 – 8...
  • Page 78 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (8/14) 7 – 9...
  • Page 79 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (9/14) 7 – 10...
  • Page 80 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (10/14) 7 – 11...
  • Page 81 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (11/14) 7 – 12...
  • Page 82 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (12/14) 7 – 13...
  • Page 83 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (13/14) 7 – 14...
  • Page 84 LC-32RD8E/S/RU-BK/GY (1st Edition) MAIN Unit (14/14) 7 – 15...
  • Page 85 LC-32RD8E/S/RU-BK/GY (1st Edition) R/C, LED Unit 7 – 16...
  • Page 86 LC-32RD8E/S/RU-BK/GY (1st Edition) MINI AV Unit 7 – 17...
  • Page 87 LC-32RD8E/S/RU-BK/GY (1st Edition) KEY Unit 7 – 18...
  • Page 88 LC-32RD8E/S/RU-BK/GY (1st Edition) — MEMO — 7 – 19...
  • Page 89 LC-32RD8E/S/RU-BK/GY (1st Edition) PartsGuide PARTS GUIDE No. S78M3LC32RD8E LCD COLOUR TELEVISION LC-32RD8E-BK/GY LC-32RD8S-BK/GY LC-32RD8RU-BK/GY MODELS CONTENTS PRINTED WIRING BOARD DUNTKE672FM01 (MAIN Unit) ASSEMBLIES CABINET PARTS LCD PANEL AND TUNER LCD MODULE ASSEMBLY DUNTKE264FM13 (R/C, LED Unit) SUPPLIED ACCESSORIES DUNTKE266FM01 (KEY Unit) [10] PACKING PARTS DUNTKE491FM01 (MINI-AV Unit ) [11] SERVICE JIGS...
  • Page 90 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [1] PRINTED WIRING BOARD ASSEMBLIES R/C, LED Unit DUNTKE264FM13 KEY Unit DUNTKE266FM01 MINI-AV Unit DUNTKE491FM01 MAIN Unit DUNTKE672FM01 POWER/INV Unit RUNTKA396WJQZ [2] LCD PANEL AND TUNER 32" LCD Panel Module R1LK315T3GW2BY TU201 Tuner...
  • Page 91 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [5] DUNTKE491FM01 (MINI-AV Unit ) R1025 Resistor 100k 1/16W Metal Oxide VRS-CY1JF104JY R1041 Resistor 1k 1/16W Metal Oxide VRS-CY1JF102JY R1042 Resistor 1k 1/16W Metal Oxide VRS-CY1JF102JY SC1001 Socket 15pin QSOCZ1538CEZZ [6] DUNTKE672FM01 (MAIN Unit) C201...
  • Page 92 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) C1132 Capacitor 330p 50V Ceramic VCKYCZ1HB331KY C1133 Capacitor 100p 50V Ceramic VCCCCZ1HH101JY C1134 Capacitor 100p 50V Ceramic VCCCCZ1HH101JY C1135 Capacitor 330p 50V Ceramic VCKYCZ1HB331KY C1136 Capacitor 330p 50V Ceramic VCKYCZ1HB331KY C1137...
  • Page 93 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) C1505 Capacitor 0.1 25V Ceramic VCKYCZ1EF104ZY C1506 Capacitor 0.1 25V Ceramic VCKYCZ1EF104ZY C1507 Capacitor 0.1 16V Ceramic VCKYCY1CB104KY C1508 Capacitor 0.1 25V Ceramic VCKYCZ1EF104ZY C1701 Capacitor 10 10V Ceramic RC-KZA176WJZZY C1702...
  • Page 94 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) C1969 Capacitor 0.1 25V Ceramic VCKYCZ1EF104ZY C1970 Capacitor 1000p 50V Ceramic VCKYCZ1HB102KY C1972 Capacitor 12p 50V Ceramic VCCCCZ1HH120JY C1977 Capacitor 15p 50V Ceramic VCCCCZ1HH150JY C1978 Capacitor 10 10V Ceramic RC-KZA176WJZZY C1979...
  • Page 95 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) C3017 Capacitor 1000p 50V Ceramic VCKYCZ1HB102KY C3018 Capacitor 10 10V Ceramic RC-KZA176WJZZY C3019 Capacitor 1000p 50V Ceramic VCKYCZ1HB102KY C3020 Capacitor 1000p 50V Ceramic VCKYCZ1HB102KY C3021 Capacitor 0.01 25V Ceramic VCKYCZ1EB103KY C3022...
  • Page 96 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) C3371 Capacitor 10 10V Ceramic RC-KZA176WJZZY C3372 Capacitor 1000p 50V Ceramic VCKYCZ1HB102KY C3373 Capacitor 0.01 25V Ceramic VCKYCZ1EB103KY C3374 Capacitor 0.1 25V Ceramic VCKYCZ1EF104ZY C3375 Capacitor 10 10V Ceramic RC-KZA176WJZZY C3376...
  • Page 97 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) C4223 Capacitor 10 10V Ceramic RC-KZA176WJZZY C4224 Capacitor 10 10V Ceramic RC-KZA176WJZZY C4225 Capacitor 10 10V Ceramic RC-KZA176WJZZY C4226 Capacitor 0.1 25V Ceramic VCKYCZ1EF104ZY C4228 Capacitor 10 10V Ceramic RC-KZA176WJZZY C4229...
  • Page 98 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) C7130 Capacitor 10 25V Ceramic RC-KZA110WJZZY C7131 Capacitor 10 25V Ceramic RC-KZA110WJZZY C7301 Capacitor 330p 50V Ceramic VCCCCZ1HH331JY C7302 Capacitor 10 10V Ceramic RC-KZA176WJZZY C7305 Capacitor 3300p 50V Ceramic VCKYCZ1HB332KY C7306...
  • Page 99 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) D1708 Diode SMAB33L-RTK/P VHDSMAB33L+-1Y D1710 Diode MA2J1110GL VHDMA111G++-1Y D1725 Diode 1SS390TE61 VHD1SS390++-1Y D1726 Diode MA2J1110GL VHDMA111G++-1Y D1735 Diode SMAB33L-RTK/P VHDSMAB33L+-1Y D1745 Diode SMAB33L-RTK/P VHDSMAB33L+-1Y D1755 Diode MA2J1110GL VHDMA111G++-1Y D1756...
  • Page 100 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) FB2306 Balun BLN-0061TA RBLN-0061TAZZY FB2307 Ferrite Core RBLN-A192WJZZY FB2310 Ferrite Core RBLN-A192WJZZY FB2601 Ferrite Core RBLN-A192WJZZY FB2602 Ferrite Core RBLN-A192WJZZY FB2603 Ferrite Core RBLN-A192WJZZY FB3001 Balun BLN-A188WJ RBLN-A188WJZZY FB3002...
  • Page 101 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) IC1756 IC PQ1LA185MSPQ VHiPQ1LA185-1Y IC1902 IC HDMI EXT7 RH-iXC448WJZZS IC1922 IC HDMI EXT6 RH-iXC447WJZZS IC1941 IC TC74VHC153FT(EL,M) VHiTVHC153T-1Y IC1951 IC SII9025CTU VHiSii9025+-1Q IC2302 IC 86FS49AUG-6NU2(JZ) RH-iXC009WJZZQ IC2303 IC IC-PST8428NR...
  • Page 102 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) LUG1701 QLUGHA006WJZZY LUG1702 QLUGHA006WJZZY LUG1703 QLUGHA006WJZZY LUG1704 QLUGHA006WJZZY LUG1705 QLUGHA006WJZZY LUG1706 QLUGHA006WJZZY P1001 Connector 15pin QCNCMA012WJZZ P1701 Plug 12pin(PD) QPLGNA168WJZZY P2301 Plug 7pin (RA) QPLGNA328WJZZY P2302 Plug 9pin (LB) QPLGNA329WJZZY...
  • Page 103 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) R267 Resistor 1k 1/16W Metal Oxide VRS-CZ1JF102JY R268 Resistor 10k 1/16W Metal Composition VRK-SA1JF103JY R1006 Resistor 6.8k 1/16W Metal Oxide VRS-CZ1JF682JY R1010 Resistor 3.9k 1/16W Metal Oxide VRS-CZ1JF392JY R1011 Resistor 100 1/16W Metal Oxide...
  • Page 104 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) R1305 Resistor 100k 1/16W Metal Oxide VRS-CZ1JF104JY R1306 Resistor 100k 1/16W Metal Oxide VRS-CZ1JF104JY R1307 Resistor 100k 1/16W Metal Oxide VRS-CZ1JF104JY R1308 Resistor 100k 1/16W Metal Oxide VRS-CZ1JF104JY R1309 Resistor 1k 1/16W Metal Oxide...
  • Page 105 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) R1752 Resistor 1 1/2W Metal Oxide VRS-TW2HF1R0JY R1753 Resistor 1 1/2W Metal Oxide VRS-TW2HF1R0JY R1754 Resistor 100 1/16W Metal Oxide VRS-CZ1JF101JY R1755 Resistor 1k 1/16W Metal Oxide VRS-CZ1JF102JY R1756 Resistor 2.2 1/2W Metal Oxide...
  • Page 106 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) R2716 Resistor 100k 1/16W Metal Oxide VRS-CZ1JF104FY R2723 Resistor 220k 1/16W Metal Oxide VRS-CZ1JF224JY R2729 Resistor 470k 1/16W Metal Oxide VRS-CZ1JF474JY R2730 Resistor 10k 1/16W Metal Oxide VRS-CZ1JF103JY R2731 Resistor 5.6k 1/16W Metal Oxide...
  • Page 107 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) R4024 Resistor 150 1/16W Metal Oxide VRS-CZ1JF151JY R4025 Resistor 10k 1/16W Metal Oxide VRS-CZ1JF103JY R4026 Resistor 150 1/16W Metal Oxide VRS-CZ1JF151JY R4027 Resistor 10k 1/16W Metal Oxide VRS-CZ1JF103JY R4028 Resistor 560 1/16W Metal Oxide...
  • Page 108 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) R4416 Resistor 47 1/16W Metal Oxide VRS-CG1JF470JY R4417 Resistor 10k 1/16W Metal Oxide VRS-CZ1JF103JY R4418 Resistor 47 1/16W Metal Oxide VRS-CZ1JF470JY R4419 Resistor 10k 1/16W Metal Oxide VRS-CZ1JF103JY R4420 Resistor 10k 1/16W Metal Oxide...
  • Page 109 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) R7120 Resistor 47 1/16W Metal Oxide VRS-CZ1JF470JY R7125 Resistor 47 1/16W Metal Oxide VRS-CZ1JF470JY R7128 Resistor 47 1/16W Metal Oxide VRS-CZ1JF470JY R7129 Resistor 0 1/16W Metal Oxide VRS-CZ1JF000JY R7131 Resistor 0 1/16W Metal Oxide...
  • Page 110 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [6] DUNTKE672FM01 (MAIN Unit) SC7101 Socket 80Pin QCNCW2367WJZZY SC7102 Socket 80Pin QCNCW2367WJZZY TH2301 Thermistor VHHM1103J03-1Y X201 Crystal RCRSCA039WJZZY X1951 Crystal 28.322MHz RCRSCA146WJZZY X2301 Crystal RCRMCA011WJZZY X3051 Crystal 20.25MHz RCRSC0012CEZZY X3301 Crystal 20.25MHz RCRSC0012CEZZY...
  • Page 111 LC-32RD8E/S/RU-BK/GY (1st Edition) [7] CABINET PARTS...
  • Page 112 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [7] CABINET PARTS Front Cabinet Ass'y (LC-32RD8E/S/RU-BK) CCABAC064WJ01 Front Cabinet Ass'y (LC-32RD8E/S/RU-GY) CCABAC064WJ02 Front Cabinet Not Available Not Available LED Decoration Shine Trim HDECSA036WJ1A SP Sheet (LC-32RD8E/S/RU-BK) HPNLSA191WJKA SP Sheet (LC-32RD8E/S/RU-GY) HPNLSA191WJKB Rear Cabinet Ass'y CCABBB241WJ02...
  • Page 113 LC-32RD8E/S/RU-BK/GY (1st Edition) [8] LCD MODULE ASSEMBLY...
  • Page 114 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [8] LCD MODULE ASSEMBLY 32" LCD Panel Module R1LK315T3GW2BY Bezel Ass'y (Top) CANGK4055TP02 Bezel Ass'y (Bottom) CANGK4055TP04 CANGK4054TP01 Bezel Ass'y, x2 (Left/Right) Panel Chassis Ass'y (Left) CHLDZ3809TP02 Panel Chassis Ass'y (Right) CHLDZ3810TP02 Lens Sheet, x2 PSHEPA667WJZZ...
  • Page 115 LC-32RD8E/S/RU-BK/GY (1st Edition) [10] PACKING PARTS...
  • Page 116 LC-32RD8E/S/RU-BK/GY (1st Edition) PRICE PART PARTS CODE DESCRIPTION RANK MARK DELIVERY [10] PACKING PARTS Packing Case SPAKCD948WJZZ Stand Case SPAKFB417WJZZ Stand Pad (LC-32RD8E/S/RU-BK) SPAKFB418WJZZ SPAKFB550WJZZ Stand Pad (LC-32RD8E/S/RU-GY) Wrapping Paper SPAKPB137WJ1Z Mirror Mat (Stand Support) SPAKPB053WJZZ Mirror Mat (Stand Base) SPAKPB054WJZZ Cover Sheet SPAKAA373WJZZ...
  • Page 117 LC-32RD8E/S/RU-BK/GY (1st Edition)
  • Page 118 LC-32RD8E/S/RU-BK/GY (1st Edition) COPYRIGHT © 2008 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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