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Viewpia LC-32IC10 Service Manual

23” / 26” / 27” / 30” / 32” / 37” / 42” tft-lcd tv/monitor
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Table of Contents

SERVICE MANUAL
23" / 26" / 27" / 30" / 32" / 37" / 42"
TFT-LCD TV/MONITOR

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Table of Contents
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Summary of Contents for Viewpia LC-32IC10

  • Page 1 SERVICE MANUAL 23” / 26” / 27” / 30” / 32” / 37” / 42” TFT-LCD TV/MONITOR...

  • Page 2: Table Of Contents

    CONTENTS 1. SAFETY PRECAUTION - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3 2. BLOCK DIAGRAM - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4 3.
  • Page 3 Safety Instructions Important Safety Notice Many electrical and mechanical parts in this chassis have special safety-related characteris- tics. These parts are identified by in the Schematic Diagram and Replacement Parts List. It is essential that these special safety parts should be replaced with the same components recommended in this manual to prevent Shock, Fire, or other Hazards.

  • Page 4: Block Diagram

    BLOCK DIAGRAM BLOCK DIAGRAM...
  • Page 5 IC FUNCTIONAL BLOCK DIAGRAM (MST515A) MStarACE-2 IC PIN ASSIGNMENT (MST5151A) VDDC DVI _G+ DVI _G- VDDM Pin 1 AVDD_D VI DQS[ 0] DVI _B+ MDATA[ 0] DVI _B- MDATA[ 1] MDATA[ 2] MDATA[ 3] DVI _CK+ MDATA[ 4] DVI _CK- AVDD_D VI MDATA[ 5] REXT...
  • Page 6 IC BLOCK DIAGRAM (MSP3410G) Loud- Loud- Sound IF1 Pre- speaker speaker processing modulator Sound Sound IF2 Subwoofer Processing Headphone Headphone Sound Processing I S1 Prescale I S2 SCART1 SCART2 SCART SCART1 SCART3 Input Prescale SCART Select Output SCART4 Select MONO SCART2 IC PIN OUT (MSP3410G)
  • Page 7 IC BLOCK DIAGRAM (MP7720) 20W output at V = 24V into a 4 load THD+N as low as 0.06% 90% efficiency at 20W Low Quiescent Current (2mA) Switching Frequency to 1MHz 7.5V to 24V operation from single supply Integrated Start up and Shut Down Pop Elimination Circuit Thermal protection Integrated 18m...
  • Page 8 IC PIN OUT (TW9918) VSSE VDDE DRAM_DQ12 DRAM_AD2 DRAM_DQ11 DRAM_AD3 DRAM_DQ10 DRAM_AD4 DRAM_DQ9 DRAM_AD5 DRAM_DQ8 DRAM_AD6 VSSE DRAM_AD7 SCLK DRAM_AD8 SDAT DRAM_AD9 SIAD DRAM_CLK TMODE DRAM_UDM RSTB AVDP TW9918 AVSP VSSE AVDD FIELD RSET HSYNC AVSS PQFP-128 CSYNC HACTIVE VCOM1 VACTIVE BIN1 DVALID...
  • Page 9 IC BLOCK DIAGRAM (VCT49xy I) IFIN+ Audio Sound Frontend Frocessor Demodulator Processor IFIN- 656 out PROT HCUT HFLB VERT Color Comb CVBS in Display & Filter Decoder YCvCr in Video Panorama Video Deflection Frontend Scaler Backend RGB in Component Processor RGB out CVBS out Interface...
  • Page 10 IC BLOCK DIAGRAM (CX2069Q) VOUT1 YIN1 YOUT1 TRAP1 COUT1 CIN1 V/YOUT2 TRAP2 COUT2 VOUT3 YOUT3 COUT3 VGND BIAS BIAS AGND LOUT1 ROUT1 LOUT2 ROUT2 LOUT3 ROUT3 DC OUT Logic S2-1 S2-2 Audio system is attenuated by 6dB at input, and a total agin is 0dB (LOUT1 and ROUT1 S2-3 can be changed to -6dB).
  • Page 11 IC PIN OUT (CXA209Q)

  • Page 12: General Specification

    General Specification Item Specification Remark Unit Video Input 1) NTSC M 3.579545 / 60 Hz 2) NTSC 4.43 4.433618 / 60 Hz 3) PAL 4.433618 / 50 Hz 4) SECAM 4.286 / 50 Hz Component Input 480i/59.94/60Hz Table 1. 576i/50Hz (Component) 480p/59.94/60Hz 576p/50Hz...
  • Page 13 < Table 1. > Component Signal Resolution Resolution H-freq(KHz) V-freq.(Hz) Pixel clock Proposed (MHz) 720x480 15.73 59.94 13.500 SDTV,DD 480i(525i) 720x480 15.75 60.00 13.514 SDTV,DD 480i(525i) 720x576 15.625 50.00 13.500 SDTV,DD 576i(525i) 720x480 31.47 59.94 27.000 SDTV 480p 720x480 31.50 60.00 27.027 SDTV 480p...
  • Page 14 < Table 4. > RGB -PC Signal Resolution Resolution H-freq(KHz) V-freq.(Hz) Pixel clock Proposed (MHz) 640x350 31.469 70.08 25.17 720x400 31.469 70.08 28.32 720x400 37.927 85.03 35.50 640x480 31.469 59.94 25.17 VESA(VGA) 640x480 37.861 72.80 31.50 VESA(VGA) 640x480 37.500 75.00 31.50 VESA(VGA) 640x480...
  • Page 15 < Table 5. > DVI -PC Signal Resolution Resolution H-freq(KHz) V-freq.(Hz) Pixel clock Proposed (MHz) 640x350 31.469 70.08 25.17 720x400 31.469 70.08 28.32 720x400 37.927 85.03 35.50 640x480 31.469 59.94 25.17 VESA(VGA) 640x480 37.861 72.80 31.50 VESA(VGA) 640x480 37.500 75.00 31.50 VESA(VGA) 640x480...

  • Page 16: Troubleshooting

    TROUBLESHOOTING No Raster No Raster Check Fasten P401 or P402 P401 or P402 or P403 or P403 Connector? Connector Check Fasten P800 ~ P805 P800 ~ 805 Connector? Connector Check Fasten P100_M, P 101_M P100_M, P 101_M Connector? Connector? Check Fasten P806, P807 P806, P807...
  • Page 17 No Picture No Picture Check Replace IC403, IC404 IC403, IC404 Pin2 : High? Replace Check IC401 IC401 Pin3 : High? Replace Check X400 IC400 Replace Chack IC308 IC308 Pin3 : High? Chack Replace IC300, IC301 IC300, IC301 Pin2 : High? Chack Replace IC500, IC501...
  • Page 18 No Sound No Sound Replace Check X900? X900 Replace Check IC902 IC902 Pin3 : 5V? Replace Check IC900 IC900 Pin27, 28? Check Replace IC700, IC701 IC700, IC701 Pin7 Contact A/S Team...

  • Page 19: Controls Of Front Panel

    CONTROLS OF FRONT PANEL INPUT MENU MENU SELECT INPUT INPUT MENU MENU SELECT SELECT illuminates red in standby mode. 1. MAIN POWER (I / y y ) illuminates green when the set is switched On. switches the set On or Off. 8.

  • Page 20: Connections Of Back Panel

    CONNECTIONS OF BACK PANEL AUDIO AUDIO DVI INPUT DVI INPUT RGB INPUT RGB INPUT OPTICAL S-VIDEO AUDIO INPUT AUDIO INPUT ANT. IN AC INPUT COMPONENT COMPONENT INPUT INPUT AUDIO INPUT AUDIO INPUT AV1 V1 AV2 V2 (480i/480p/720p/1080i) (480i/480p/720p/1080i) 1. DVI INPUT / RGB INPUT / AUDIO INPUT SOCK- 7.

  • Page 21: Remote Control Handset

    REMOTE CONTROL HANDSET - All the functions can be controlled with the remote control handset. - Some functions can also be adjusted with the buttons on the front panel of the set. POWER MUTE POWER MUTE switches the set On from standby or switches the sound On or Off.

  • Page 22: Connecting Diagram

    CONNECTING DIAGRAM...

  • Page 23: Pcb Layout

    PCB LAYOUT AV TOP PATTEN...
  • Page 24 AV TOP SILK...
  • Page 25 AV BOTTOM PATTEN...
  • Page 26 AV BOTTOM SILK...
  • Page 27 MAIN TOP PATTEN...
  • Page 28 MAIN TOP SILK...
  • Page 29 MAIN BOTTOM PATTEN...
  • Page 30 MAIN BOTTOM SILK...

  • Page 31: Factory Menu

    FACTORY MENU Methods to enter Factory menu - Power Off (Press "POWER" key). - Press "Menu" key - Press "Mute" key White Balance - Press "OK" key Sound - Press "POWER" Key - Factory menu Option1 Option2 Option3 HDMI-INFO MICOM RESET MEMORY-CLOCK SET White Balance - enter to Factory menu...
  • Page 32 OPTION1 - enter to Factory menu - Select menu - Press "OK" key or "VOL +" key Text - Press "PR+" or "PR–" key : Select Sub Menu TXT List mode - Press "VOL+" or "VOL-" : Adjusting Value TXT-TOP - Press "Menu"...
  • Page 33 OPTION3 - enter to Factory menu - Select menu - Press "OK" key or "VOL +" key OSD LANGUAGE - Press "PR+" or "PR–" key : Select Sub Menu - Press "VOL+" or "VOL-" : Adjusting Value - Press "Menu" key : return Factory menu - Press "Exit"...

  • Page 34: Schematic Diagram

    SCHEMATIC DIAGRAM...

  • Page 47: Exploded View

    EXPLODED VIEW TKL3290S...
  • Page 48 LC-32IE21...
  • Page 49 LC-32IE31...
  • Page 50 BL3201S...
  • Page 51 LC-37IL11...
  • Page 52 LC-37IE21...
  • Page 53 BL3701S...
  • Page 54 LC-37IE41...
  • Page 55 LC-42IE11...
  • Page 56 LC-42IE21...

  • Page 57: Replacement Parts List

    REPLACEMENT PARTS LIST Item Specification Location MAIN ASS'Y LC-32IE11_LPL_MAIN PCB ASS`Y LC-32IE11_MAIN (MANUAL INSERT) CONNECTOR EARPHONE JACK (UEJ-CV-003) P203; CONNECTOR DVI DVI CONNECTOR 440062-1 ==> AMP P201; TRANSFORMER,SMPS[COIL] EPC1716 650UH +-15%, DC-DC CON. T800; PLCC AMP (SOCKET) 822473-3 AMP 32PIN 2.54MM NIKEL PLCC IC601;...
  • Page 58 Item Specification Location CHIP RESISTOR 47K OHM 1/8W 2012 5% D (473) R606; CHIP RESISTOR 470K OHM 1/8W 2012 5% D (474) R215, R216; CHIP CAPACITORS 1pF 50V 10% 2012 R/TP (010) C903, C904; CHIP CAPACITORS 15pF 50V 10% 2012 R/TP (150) C364;...
  • Page 59 Item Specification Location LC-32IE11_MAIN (AUTO INSERT_RADIAL) LC-32IE11_MAIN (AUTO INSERT_RADIAL) RADIAL REGISTER RADIAL REGISTER 4.7 OHM 2 W 5.00% 4.7 OHM 2 W 5.00% R398, R455; R398, R455; CAPACITOR,FIXED FILM CAPACITOR,FIXED FILM 0.22uF 63V 5% PCMT 365 0.22uF 63V 5% PCMT 365 C731, C732;...
  • Page 60 Item Specification Location CHIP RESISTOR 680 OHM 1/10W 1608 5% D (681) R511; CHIP RESISTOR 1K OHM 1/10W 1608 5% D (102) R100, R323, R389, R907, R908, R909, R912, R913, R914, R916, R917, R921; CHIP RESISTOR 1.8K OHM 1/10W 1608 5% D (182) R357;...
  • Page 61 Item Specification Location CHIP BEAD CHIP BEAD 2012 800 (80 ) L200, L201, L202; CHIP BEAD CHIP BEAD 3216 501 (500 ) L100, L101, L102, L203, L207, L312, L400, L401, L403, L406, L411, L413, L505, L601, L603, L801, L802, L803, L808, L809, L810, L811, L900;...
  • Page 62 Item Specification Location WAFER 12505WR-09A (SMD), YEONHO P103; WAFER 12505WR-15 (SMD), YEONHO P804, P805; A/V ASS'Y LC-32IE11_AV PCB ASS`Y LC-32IE11 AV (MANUAL INSERT) JACK, S_VIDEO PJ6046G (S_VIDEO), PARK P400; JACK, SCART UPJ-R1-023 (SHIELD SCART), UGCOM P401, P403; SPDIF TOTX178A, TOSHIBA J200;...
  • Page 63 Item Specification Location AL BIPOLAR EL CAPACITORS 100uF STD 16V M FL TP5, BP Type C400; LC-32IE11 AV (SMD_TOP) AV B/D 2005.02.04 L.C.Y CHIP RESISTOR 0 OHM 1/10W 1608 5% D (000) R480; CHIP RESISTOR 10 OHM 1/10W 1608 5% D (100) R457;...
  • Page 64 Item Specification Location KEY ASS'Y LC-32IE10_KEY PCB ASS`Y LC-32IC10_KEY (MANUAL INSERT) IR Receiver Modules TSOP1238RF1, VISHAY I901; dual color LED lamp SAM5270, dual color LED (red, green) D901; TACT_SW TP-1145(AMEGATECH) SW901, SW902, SW903, SW904, SW905, SW906, SW907; LC-32IC10_KEY (SMD) KEY B/D 2004.11.15.C.J.H CHIP BEAD CHIP BEAD 3216 501 (500 ) L902;...
  • Page 65 Differential Part List Of Each Product. MODEL 26" 27" 30" Loc/No (S/S) (CMO) (CMO) R356 10K OHM 1/10W 1608 5% D 10K OHM 1/10W 1608 5% D 10K OHM 1/10W 1608 5% D R357 1.8KOHM 1/10W 1608 5% D 1.8KOHM 1/10W 1608 5% D 1.8KOHM 1/10W 1608 5% D R359 P401...
  • Page 66 Differential Part List Of Each Product. MODEL 32" 37" 42" Loc/No (S/S) (LPL) (LPL) R356 10K OHM 1/10W 1608 5% D R357 1.8KOHM 1/10W 1608 5% D R359 0 OHM 1/10W 1608 5% D 0 OHM 1/10W 1608 5% D P401 P402 P403...
  • Page 67 NOTE...

This manual is also suitable for:

Lc-32ie11Lc-42ie21Lc-42ie11Lc-37ie41Lc-37ie21Lc-37il11 ... Show all

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