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In the interests of user-safety (Required by safety regulations in some countries) the set should be re-
stored to its original condition and only parts identical to those specified should be used.
The revised edition added the schematic of SUB3(sound) after Page 81.
ネ IMPORTANT SERVICE SAFETY PRECAUTION ..........................................................................................2
ネ SPECIFICATIONS .........................................................................................................................................5
ネ OPERATION MANUAL ..................................................................................................................................7
ネ DIMENSIONS ..............................................................................................................................................11
ネ REMOVING OF MAJOR PARTS .................................................................................................................13
ネ ADJUSTING PROCEDURE OF EACH SECTION ......................................................................................18
ネ PUBLIC MODE SETTING PROCEDURE ...................................................................................................40
ネ TROUBLESHOOTING TABLE .....................................................................................................................45
ネ MAJOR IC INFORMATIONS .......................................................................................................................53
ネ BLOCK DIAGRAM .......................................................................................................................................54
ネ OVERALL WIRING DIAGRAM ....................................................................................................................56
ネ DESCRIPTION OF SCHEMATIC DIAGRAM ..............................................................................................58
RC/LED Unit ..............................................................................................................................................59
MAIN Unit ..................................................................................................................................................60
SUB Unit ....................................................................................................................................................78
POWER_INVERTER Unit ..........................................................................................................................84
KEY Unit ....................................................................................................................................................86
ネ PRINTED WIRING BOARD ASSEMBLIES .................................................................................................87
ネ REPLACEMENT PARTS LIST ...................................................................................................................105
ネ PACKING OF THE SET .............................................................................................................................124
Revised Edition
LCD COLOR TELEVISION
LC-19SK25U
LC-19SK25U-W
LC-19SB25U
LC-19SB25U-W
LC-19SB15U
LC-19D45U
MODEL
CONTENTS
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
N38B2LC19K25U
Page

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   Summary of Contents for Sharp LC-19SK25U

  • Page 1: Table Of Contents

    Revised Edition N38B2LC19K25U LCD COLOR TELEVISION LC-19SK25U LC-19SK25U-W LC-19SB25U LC-19SB25U-W LC-19SB15U LC-19D45U MODEL In the interests of user-safety (Required by safety regulations in some countries) the set should be re- stored to its original condition and only parts identical to those specified should be used.
  • Page 2: ネ Important Service Safety Precaution

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are thor- oughly familiar with all safety checks and the servicing guidelines which follow: WARNING earth ground, such as electrical conduit or electrical ground connected to an earth ground.
  • Page 3 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U PRECAUTIONS A PRENDRE LORS DE LA REPARATION La réparation ne peut être effectuée que par un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT condensateur de 0.15µF en série avec toutes les pièces métalliques exposées du coffret et une terre...
  • Page 4 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Precautions for using lead-free solder 1 Employing lead-free solder "All 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 5: ネ Specifications

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U SPECIFICATIONS Item Model: LC-19SK25U/LC-19SK25U-W/LC-19SB25U/LC-19SB25U-W/LC-19SB15U 18.5 o screen size class Advanced Super View & BLACK TFT LCD LCD panel ( Diagonal Measurement: 18 o ) 1,049,088 pixels (1,366 g 768) Resolution TV-standard (CCIR) American TV Standard ATSC/NTSC System Function Receiving VHF/UHF VHF 2-13ch, UHF 14-69ch Channel CATV(analog) 1-135ch (STD, HRC, IRC) Digital Terrestrial 2-69ch Broadcast (8VSB) Digital Cable 1-135ch (64/256 QAM) Audio multiplex BTSC System Audio out 2W g 2...
  • Page 6 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U SPECIFICATIONS(Continued) Item Model: LC-19D45U 18.5 o screen size class Advanced Super View & BLACK TFT LCD LCD panel ( Diagonal Measurement: 18 o ) Resolution 1,049,088 pixels (1,366 g 768) TV-standard (CCIR) American TV Standard ATSC/NTSC System Function Receiving VHF/UHF VHF 2-13ch, UHF 14-69ch Channel CATV(analog) 1-135ch (STD, HRC, IRC) Digital Terrestrial 2-69ch Broadcast (8VSB) Digital Cable 1-135ch (64/256 QAM) Audio multiplex BTSC System Audio out 2W g 2...
  • Page 7: ネ Operation Manual

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U OPERATION MANUAL Part names TV (Front) Remote control sensor OPC indicator OPC sensor* POWER indicator *OPC: Optical Picture Control TV (Side/Rear) AC INPUT terminal INPUT 4 terminals (PC IN) INPUT 3 terminals (HDMI) HEADPHONE terminal POWER DIGITAL AUDIO OUTPUT button terminal MENU button INPUT 1 terminals INPUT INPUT 2 terminals button Antenna/Cable in Channel buttons Regarding the headphone jack (CH r / s ) • Use headphones with a stereo mini plug (Ø 3.5 mm).
  • Page 8: Remote Control Unit

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Part names 1 POWER: Switch the TV power on or enters standby. Remote control unit 2 DISPLAY: Display the channel information. 3 CC: Display captions from a closed-caption source. 4 0 – 9: Set the channel. 5 • (DOT) 6 FLASHBACK: Return to the previous channel or external input mode. 7 VIEW MODE: Select the screen size. 8 FREEZE: Set the still image. Press again to return to normal screen. 9 a / b / c / d /ENTER: Select a desired item on the screen.
  • Page 9 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Part names Kitchen Remote control unit (LC-19SK25U/LC-19SK25U-W/LC-19D45U) 1 KITCHEN TIMER/CLOCK SET/ALARM: Set the kitchen timer, clock or alarm. 2 MIN/HOUR : Set the minute of kitchen timer and the hour of clolck or alarm. 3 SEC/MIN : Set the second of kitchen timer and the minute of clock or alarm. 4 SET/STOP : Confirm setting or stop beeper sound. 5 LIGHT : Light on the remote control LCD backlight. 6,7 CHr/CHs : Select the channel. 8 VOL+ : To increase the volume. 9 VOL- : To decrease the volume.
  • Page 10: Basic Adjustment Settings

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Basic adjustment settings Menu items for TV/INPUT 1/2 Menu items for HDMI/PC-IN Backlight Backlight Contrast Contrast Brightness Brightness Color Advanced Tint C.M.S Sharpness Color Temp. Advanced Monochrome C.M.S Reset Color Temp. Film Mode 3D-Y/C Monochrome I/P Setting...
  • Page 11: ネ Dimensions

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U DIMENSIONS LC-19SK25U/LC-19SK25U-W/LC-19SB25U/LC-19SB25U-W/LC-19SB15U Unit: inch (mm) 10 (254) (75) (75) 61 /64 61 /64 (462) 3 /16 (49) 59 /64 (411.8) 7 /32 (203) 63 /64 (100) 15 /16...
  • Page 12 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U DIMENSIONS(Continued) LC-19D45U Unit: inch (mm) 10 (254) (72) (92) 53 /64 5 /8 (462) 3 /16 (51) 3 /64 (411.8) 7 /32 (77) 1 /32 (203) 63 /64 (100) 15 /16...
  • Page 13: ネ Removing Of Major Parts

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U REMOVING OF MAJOR PARTS (LC-19SK25U/LC-19SK25U-W) 1. Remove the Stand HINGI Cover fixing screw (1 pc.). 2. Remove the stand fixing screws (4 pcs.). 3. Remove the cabinet B fixing screws (10 pcs.). 4. Remove the cabinet B after opening from the direction of an arrow.
  • Page 14 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U (LC-19D45U) 1. Remove the Stand HINGI Cover fixing screw (1 pc.) and the handle fixing screws (4 pcs). 2. Remove the stand fixing screws (4 pcs.). 3. Remove the cabinet B fixing screws (10 pcs.). 4. Remove the cabinet B after opening from the direction of an arrow.
  • Page 15 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U (LC-19SB25U/LC-19SB25U-W/LC-19SB15U) 1. Remove the Stand HINGI Cover fixing screw (1 pc.). 2. Remove the stand fixing screws (4 pcs.). 3. Remove the cabinet B fixing screws (10 pcs.). 4. Remove the cabinet B after opening from the direction of an arrow.
  • Page 16 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 6. Remove the vesa angle fixing screws (4 pcs.). 7. Remove the 3 lock screws from Main Shield. 8. Remove the 9 lock screws from the sub PWB and main PWB and power PWB and AC angle. Detach the sub PWB and main PWB and power PWB from LCD assembly.
  • Page 17 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U ネ Precautions in servicing the side-B (backside) of the main PWB unit 1. Remove the lock screws (2 pcs.) from the main PWB, detach the PWB from the set, and then turn it over. 2. Connect the service-specific extension cable (QCNW-E542WJZZ) between the main PWB (SC1201) and the sub PWB (P501).
  • Page 18: Adjusting Procedure Of Each Section

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U ADJUSTING PROCEDURE OF EACH SECTION 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 19 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 2. Upgrading of each microprocessor software 2.1 Sub microprocessor software version upgrade 1). Install “Flash Development Toolkit” in CD-ROM. Connect E8a Emulator Debugger to PC from USB port. (driver in CD ROM) 2). Connect E8 writer to LCD’s 20PIN port which near INPUT4 terminal.
  • Page 20 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 6). Choose Device: R8C R5F21246 7). Select “E8a” and Next.
  • Page 21 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 8). Next 9). Finish it.
  • Page 22 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 10). Menu->Device->Connect to Device 11). Choose Target Power: 3.3V 12). OK...
  • Page 23 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 13). Connection Complete 14). Right hit the Project file, and choose “Add Files…”...
  • Page 24 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 15). Add the MOT file, which you want to writer to IC. After it, the MOT file name will display in it. 16). Right hit the MOT file and choose “Download file”, the begin downloading.
  • Page 25 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 17). After downloading, it will hit that “Image successfully written to device”. 18). Then SUB soft writer finish.
  • Page 26 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 2.2 Main software version upgrade Install soft in CD- ROM : WATCHPOINT-EJW\Disk1\SETUP.EXE USB Driver: CD-ROM folder “USB Driver”. Unzip “DTV FILES_Unicorn” to root install directory. Make a connecting (refer to “convertor2”) 1). Connect writer to pc by USB, connect writer to 20 pin socket in main pwb by SH2/SH3 and connecting.
  • Page 27 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 4). Enter menu Resource->ICE Environment… ,and set the JTAG Clock to 8.33MHz.
  • Page 28 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 5). Enter menu Resource->Flash Memory->Device setup Maker: SPANSION Size: 4M Type: MBM29PL32TM/BM 16BIT 1. Start=0x00000000 “ADD” 2. Start=0xa0000000 “ADD” 6). Flash Memory setup: Start=0x0b800000 Range=0x1000 Press “Update work memory” then close.
  • Page 29 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 7). Press CMD and press BATCH...
  • Page 30 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 8). Press the GREEN character, and press ENTER...
  • Page 31 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 10). Enter menu Resource->Flash Memory->Clear flash memory Choose “Clear all devices those included …” and “Start”.
  • Page 32 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 11). Chip erasing 12). After erase the display as follow:...
  • Page 33 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 13). Press MEM, and press “Magnifier” to check the DUMP, all of them are “FF” 14). Select Resource->Download, and ADD MOT file:...
  • Page 34 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 15). Press Download, begin writer data 16). Waiting about 2 minutes, it’s up to 100%, writing finish. Check the memory dump again, the data appeared...
  • Page 35 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 17). Close WATCHPOINT, and save the project file 18). Unplug the AC cord and connector. Main software update finished.
  • Page 36: Adjustment Procedure

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 3. Adjustment procedure 3.1 Plug the AC power cord directly into a wall outlet. 3.2 Calling the adjustment process mode There are two ways to call this mode. ∗ Turn on the power and press the “ADJUST PROCESS” key on the remote controller.
  • Page 37 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Signal: color BAR (SATURATION 75%) Setting: 28: XGA H: 48.36KHz V: 60Hz SYNC: OFF Note: Please use the color Bar of SATURATION 2 Adjusting AUTO GAIN-OFFSET in page 5 of DVP(M2-PC)to RUN . When “AUTO GAIN-OFFSET OK” appears , this adjustment is complete NOTE: If want to set all item to ON,please set to RUN in ADJUST PROCESS.
  • Page 38 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 3.5.3 Common bias Adjustment 1 Feed in built-in signal (See follow picture) 2 Adjust the “COM BIAS” setting so that the peak-to-peak of the wave be minimized.
  • Page 39: Software Version

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 3.5.4 White balance adjustment Adjustment item Adjustment conditions Adjustment procedure Setting Backlight: +16 For detailed adjustment procedure refer to "Kameyama Model Integral WB Adjustment (MAX) Specifications". 1) Make the following settings for the set. AV MODE: [DYNAMIC] Backlight: +16 Aging time: Min.
  • Page 40: Public Mode Setting Procedure

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 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 In the adjustment process mode, turn on "HOTEL MODE". Also press the "CH ( )"...
  • Page 41 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 2. How to exit Public Mode There are the following ways to quit the public mode setup screen. • Turn off "HOTEL MODE" in the adjustment process mode. (✩) ← This way alone is not for quitting the setup screen, but for quitting the mode itself.
  • Page 42 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U 5. On Setting Items * "EZ-SETUP" discussed below indicates "EZ-SETUP after the first power-on". (1) POWER ON FIXED Selection " " " " Selection between Variable Fixed (loop provided) Default Variable Explanation " " Fixed setting, the power-off by the power key of the unit is invalidated and the image is kept being re- ceived.
  • Page 43 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U (5) R/C BUTTON Selection " " " " Selection between Respond No respond (loop provide) Default Respond Explanation Keys acceptable by remote control are limited or reception of keys can be prohibited. Limit in Setting "...
  • Page 44 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U (9) BLUE SCREEN Selection " " " " Selection between (loop provide) Default Explanation In "Yes" setting, when don't receive any signal or no signal input, the screen is blue. Limit in Setting None Exception None...
  • Page 45: Troubleshooting Table

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U TROUBLESHOOTING TABLE No power supply (Front LED does not light up) and no power-up even is turned on (Front LED light up to blue) Is the AC cord connected? Connect the AC cord and turn on the power.
  • Page 46 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U TROUBLESHOOTING TABLE (Continued) No audio output during UHF/VHF reception Check the tuner and peripheral circuits. Is SIF output from the tuner (TU1101_Pin15) normal? Check the filter circuits (Q1102, Q1103) and Is input signal fed to pin21 of IC1101? peripheral circuits.
  • Page 47 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U TROUBLESHOOTING TABLE (Continued) No audio output from external input <<INPUT-1>> Is L-ch audio signal fed from input terminal J501 to pin 12 of IC501? Is R-ch audio signal fed from input terminal J501 to pin 12 of IC502? <<INPUT-2>>...
  • Page 48 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U TROUBLESHOOTING TABLE (Continued) <Component video signal input> No video output (INPUT-1) Select INPUT-1 and the input signal on the input switching No video output from extermal input <<INPUT-1>> menu screen. No Check between J501 and pins 7,8 and 9 of P501.
  • Page 49 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U TROUBLESHOOTING TABLE (Continued) <Composite video signal/S-video signal input> No video output (INPUT2) Select INPUT-2 and the input signal on the input switching No video output from extermal input <<INPUT-2>> menu screen. <Composite video signal input> Check between J502 and pin 11 of IC501.
  • Page 50 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U TROUBLESHOOTING TABLE (Continued) No video output during ANALOG broadcasting reception Is video signal sent to output terminal pin 13 of tuner Check or replace the tuner's peripheral circuits. (TU1101)? Is video signal out from pin 1 of P502? Check pin 13 of TU1101 to pin 1 of P502.
  • Page 51 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U TROUBLESHOOTING TABLE (Continued) No video output from HDMI input (INPUT3) Are signals fed from HDMI (SC402) connector to input Is IC403(E PROM) accessed with IIC when connectiong terminals RRX0± (pins 16 and 17),RRX1(pins 19 and HDMI device and is DDC_IIC_CLOCK/DATA data read...
  • Page 52 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U TROUBLESHOOTING TABLE (Continued) No video output from PC input (INPUT4) Are signal fed from pins 1,2,3(Analog-R/G/B),and 13,14(H Sync/V Sync) of input terminal (SC401) to pins U2, N3, R, K1, J1 of IC801 (C4US)? Check peripheral circuits of IC801 and Q402,Q405,Q406.
  • Page 53: Major Ic Informations

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U MAJOR IC INFORMATIONS IC801 (RH-IXC238WJQZQ) This is a system LSI for digital TV integrating a VSB/QAM demodulator, a system decode, an analog front-end with a 3D comb filter, an MPEG2 video decoder, an AC3 audio decode, a display procesor and a 2D graphics engine into a single product.Also integrates a 32-bit RISC-type SuperHarchitecture SH3 CPU for user application software,...
  • Page 54: Block Diagram

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U BLOCK DIAGRAM MAIN MAIN AV1 COMP-Y AV1 COMP-Y INPUT1 INPUT1 AV1 COMP-Pb AV1 COMP-Pb J501 J501 AV1 COMP-Pr AV1 COMP-Pr AV2 CVBS AV2 CVBS CVBS CVBS INPUT2 INPUT2 AV2 S-Y AV2 S-Y J502 J502 AV2 S-C AV2 S-C AV2 S.DET...
  • Page 55 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U IC8201 DDR2 256M PANEL RSDS LK185T3GW LVDS IC9201 T-COM IC8701 FLASH 64M ICC_SDA/SCL IC802 EEPROM IC801 V_BRT LAMP_CTL DTV-C4US UARTRXD/M32TMS TERM RH-IXC238WJQZQ UARTTXD/M32TRST UN12V POWER REGULATORS MODULE LAMP_ON LAMP_ERR TXD_MPU AC_CTL RXD_MPU AC_CTL RESET_N STBY_POW OPERATION...
  • Page 56: Overall Wiring Diagram

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U OVERALL WIRING DIAGRAM...
  • Page 57 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 58: Description Of Schematic Diagram

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U DESCRIPTION OF SCHEMATIC DIAGRAM VOLTAGE MEASUREMENT CONDITION: 1. The voltages at test points are measured on the stable supply voltage of AC 120V. Signals are fed by a color bar signal generator for servicing purpose and the above voltages are measured with a 20k ohm/V tester.
  • Page 59: Schematic Diagram

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U SCHEMATIC DIAGRAM  R/C LED Unit...
  • Page 60: Main Unit

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  MAIN Unit - 1/9...
  • Page 61 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 62 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  MAIN Unit - 2/9...
  • Page 63 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 64 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  MAIN Unit - 3/9...
  • Page 65 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 66 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  MAIN Unit - 4/9...
  • Page 67 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 68 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  MAIN Unit - 5/9...
  • Page 69 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 70 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  MAIN Unit - 6/9...
  • Page 71 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 72 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  MAIN Unit - 7/9...
  • Page 73 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 74 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  MAIN Unit - 8/9...
  • Page 75 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 76 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  MAIN Unit - 9/9...
  • Page 77 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 78: Sub Unit

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  SUB Unit - 1/2...
  • Page 79 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 80 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  SUB Unit - 2/2...
  • Page 81 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 82 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  SUB Unit - 3/3...
  • Page 83 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 84: Power_inverter Unit

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  POWER_INVERTER Unit...
  • Page 85 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 86: Key Unit

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U  KEY Unit...
  • Page 87: Printed Wiring Board Assemblies

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U PRINTED WIRING BOARD ASSEMBLIES SW Unit (Side-A) SW Unit (Chip Part Side-A) SW Unit (Side-B) SW Unit (Chip PartSide-B)
  • Page 88 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U MAIN Unit (Side-A)
  • Page 89 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 90 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U MAIN Unit (Chip Parts Side-A)
  • Page 91 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 92 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U MAIN Unit (Side-B)
  • Page 93 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 94 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U MAIN Unit (Chip Parts Side-B)
  • Page 95 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 96 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U SUB Unit (Side-A)
  • Page 97 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 98 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U SUB Unit (Chip Parts Side-A)
  • Page 99 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 100 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U POWER Unit (Side-A)
  • Page 101 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 102 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U POWER Unit (Side-B)
  • Page 103 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U...
  • Page 104 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U LED Unit (Side-A) LED Unit (Chip Part Side-A) LED Unit (Side-B) LED Unit (Chip PartSide-B)
  • Page 105: ネ Replacement Parts List

    2. NO. DE REF 3. NO. DE PIECE 4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. For location of SHARP Parts Distributor, Please call Toll- in CANADA: Contact SHARP Electronics of Canada Limited Phone Free; 1-800-BE-SHARP (416) 890-2100 Note:...
  • Page 106 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ DUNTKE333FM02 RJ12 VRS-TQ2BD000JY J 0 1/8W Metal Oxide RJ13 VRS-TQ2BD000JY J 0 1/8W Metal Oxide POWER INvERTER UNIT (Continued) RJ14 VRS-TQ2BD000JY J 0 1/8W Metal Oxide...
  • Page 107 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ Q2002 VSRT1N441U/-1Y J RT1N441U DUNTKE333FM02 Q2003 VSRT1N141U/-1Y J RT1N144U POWER INvERTER UNIT (Continued) Q2004 VSRT1N141U/-1Y J RT1N144U Q2005 VSRT1N141U/-1Y J RT1N144U Q2006...
  • Page 108 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ C819 RC-KZA195WJZZY J 10uF 10V Ceramic DUNTKE352FM02 C820 VCKYCZ1AB104KY J 0.10 10V Ceramic MAIN UNIT (CONTINUED) C822 RC-KZA067WJZZY J 4.7 10V Ceramic C823 VCKYCZ1AB273KY J 0.027 10V Ceramic...
  • Page 109 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ C9207 VCKYCZ1EB103KY J 0.010 25V Ceramic DUNTKE352FM02 C9208 VCKYCZ1EB103KY J 0.010 25V Ceramic MAIN UNIT (Continued) C9210 VCKYCZ1EB103KY J 0.010 25V Ceramic...
  • Page 110 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ R835 VRS-CZ1JF102FY J 1k 1/16W Metal Oxide DUNTKE352FM02 R839 VRS-CZ1JF562JY J 5.6k 1/16W Metal Oxide AA MAIN UNIT (Continued) R840 VRS-CZ1JF102JY J 1k 1/16W Metal Oxide...
  • Page 111 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ R9361 VRS-CZ1JF223JY J 22k 1/16W Metal Oxide AA DUNTKE352FM02 R9362 VRS-CZ1JF472JY J 4.7k 1/16W Metal Oxide AA MAIN UNIT (Continued) R9363 VRS-CZ1JF473JY...
  • Page 112 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ C516 VCKYCY1AB105KY J 1 10V Ceramic DUNTKE353FM01 C517 VCKYCY1AB105KY J 1 10V Ceramic SUB UNIT (Continued) C518 VCKYCY1AB105KY J 1 10V Ceramic...
  • Page 113 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ R1122 VRS-CY1JF102JY J 1k 1/16W Metal Oxide DUNTKE353FM01 R1123 VRS-CY1JF103JY J 10k 1/16W Metal Oxide AA SUB UNIT (Continued) R1124 VRS-CY1JF332JY J 3.3k 1/16W Metal Oxide AA...
  • Page 114 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ DUNTKE406WE01 R/C LED UNIT INTEGRATED CIRCUITS IC101 VHIMM1616++-1Y J MM1616 TRANSISTORS Q102 VS2SC3928AR-1Y J 2SC3928AR Q103 VS2SC3928AR-1Y J 2SC3928AR Q107 VS2SC3928AR-1Y J 2SC3928AR...
  • Page 115 J Bas-Conne Cover (LC-19SK25U) GCOVAC327WJ2B J Bas-Conne Cover (LC-19SK25U-W) GCOVAC350WJ2A J RS 232 Cover (LC-19SK25U) GCOVAC350WJ2B J RS 232 Cover (LC-19SK25U-W) AD JBTN-A675WJ2A J Control Button (LC-19SK25U) JBTN-A675WJ2B J Control Button (LC-19SK25U-W) AF LHLDWA181WJKZ J Wire Holder, x4 LHLDWA092WJZZ J Wire Holder, x4...
  • Page 116 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U CABINET AND MECHANICAL PARTS (LC-19SK25U/LC-19SK25U-W) BTN PWB 1-11 1-14 1-13 1-12 1-10 1-11 1-15 1-12 LED PWB 1-14 1-19 1-10 1-18 19” LCD Panel Unit Ass’y 4-10 MAIN PWB POWER PWB SUB PWB...
  • Page 117 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ (LC-19SB25U-W) CABINET AND MECHANICAL PARTS JBTN-A675WJ2A J Control Button (LC-19SB25U/19SB15U) JBTN-A675WJ2B J Control Button LC-19SB25U/LC19SB25U-W/LC-19SB15U (LC-19SB25U-W) CCABAB811WJ20 J Cabinet A Ass'y (LC-19SB25U)
  • Page 118 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U CABINET AND MECHANICAL PARTS (LC-19SB25U/LC-19SB25U-W/LC-19SB15U) BTN PWB 1-11 1-14 1-13 1-12 1-15 1-10 1-11 1-12 1-14 LED PWB 1-19 1-10 1-18 19” LCD Panel Unit Ass’y 4-10 MAIN PWB POWER PWB SUB PWB...
  • Page 119 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ —————— - refer to LCD Module Parts − CABINET AND MECHANICAL PARTS Not Available - Serial No. Label − QCNW-G522WJQZ J Connecting Cord,...
  • Page 120 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U CABINET AND MECHANICAL PARTS (LC-19D45U) 1-11 BTN PWB 1-14 1-12 1-21 1-10 1-11 1-15 1-12 1-11 1-14 1-20 1-10 LED PWB 1-18 1-19 19” LCD Panel Unit Ass’y MAIN PWB POWER PWB SUB PWB...
  • Page 121 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ LCD MODULE PARTS R1LK185T3GW10X J LCD MODULE ASS'Y 28-1 Not Available - Bezel − 28-2 Not Available - P Chassis − 28-3...
  • Page 122 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U Ref. No. Part No. Description Code Ref. No. Part No. Description Code ★ ★ SUPPLIED ACCESSORIES SUPPLIED ACCESSORIES LC-19SB25U/LC-19SB15U LC-19SK25U-W QACCDA038WJPZ J AC Cord QACCDA038WJPZ J AC Cord RRMCGA603WJSA J Remote Control RRMCGA626WJSA J Remote Control UBATUA011WJZZ J Manganese Battery,"AA",*2 AF...
  • Page 123 Code ★ ★ SERvICE JIGS PACKING PARTS (USE FOR SERvICING) (NOT REPLACEMENT ITEM) SPAKCE005WJZZ - Packing Case (LC-19SK25U) − QCNW-C458WJQZ J Extension Cable, 80pin SPAKCE006WJZZ - Packing Case (LC-19SK25U-W) − QCNW-D431WJZZ J Extension Cable SPAKCE003WJZZ - Packing Case (LC-19SB25U) −...
  • Page 124: Packing Of The Set

    LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U PACKING OF THE SET Make sure the following accessories are provided with your TV .
  • Page 125 LC-19SK25U/U-W LC-19SB25U/U-W LC-19SB15U LC-19D45U —— M E M O ——...
  • Page 126 LC-19SB25U/U-W LC-19SB15U LC-19D45U © 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 form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

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