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Sanyo LCD-42XF8T Service Manual
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Sanyo LCD-42XF8T Service Manual

Sanyo LCD-42XF8T Service Manual

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Nota:
Este manual de service también puede ser utilizado con
las siguientes marcas y modelos , salvando la cosmética :
Noblex 42LC830FT
Philco
PLF4211T
JVC
LT 42DR51
SERVICE MANUAL LCD Television
Contents
Safety Notice...............................................2
Specifications..............................................3
Chassis Block Diagrams..........................4-5
Diagrams...................................6-8
Adjustments............................11-13
Disassembly.....................14-17
List.....................................18
Chassis Electrical Parts List.................19-35
Printed Wiring Board............................36-42
Schematic Diagram..............................43-48
Z5LW
System..........9-10
FILE NO.
Model No. LCD-42XF8T
Service Ref.No. LCD-42XF8T-00
Product Code: 1-130-257-17
Original Version
Chassis Series: UE8-L
Give complete "SERVICE REF. NO." for
parts order or servicing.It is shown on the
rating lable at the cabinet back of the unit.
This T.V. receiver will not work properly
in foreign countries where the television
transmission system and power source
differ from the design specifications. Refer
to the specification table.
REFERENCE NO.

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Summary of Contents for Sanyo LCD-42XF8T

  • Page 1: Table Of Contents

    , salvando la cosmética : Noblex 42LC830FT Philco PLF4211T LT 42DR51 FILE NO. SERVICE MANUAL LCD Television Model No. LCD-42XF8T Service Ref.No. LCD-42XF8T-00 Product Code: 1-130-257-17 Contents Original Version Safety Notice..........2 Specifications..........3 Chassis Series: UE8-L Chassis Block Diagrams......4-5...

  • Page 2: Safety Notice

    Safety Notice Safety Precautions The following precautions must be observed. 1:Comply with all caution and safety-related notes provided on the cabinet back, cabinet bottom, inside the cabinet or on the chassis. 2:When replacing a chassis in the cabinet, always be certain that all the protective devices are installed properly, such as, control knobs, adjustment covers or shields, barriers, etc..

  • Page 3: Specifications

    Specifications Model LCD-42XF8T Maximum Visible Range 107cm (Screen Diagonal Size) Picture Resolution 1920(H) x 1080(V) Viewable Angle (L ° /3) L/R: +/-89D, U/D: +/-89D H Brightness 450 cd/m² Degree of Colour Coverage ≥30% Mobile Trailer Time 6.5 ms Voltage AC100-240 V, 50/60Hz...

  • Page 4: Chassis Block Diagrams

    Chassis Block Diagrams MAIN SIGNAL PROCESSING CIRCUIT...
  • Page 5 Chassis Block Diagrams POWER SUPPLY IC 12VA 200mA 5V_B1 Tuner IF AMP Pre audio AMP 12VP 0.4A VCC PANEL FET-SW ON_PANEL 5VSTB 2A 3.3VA(3.312V,639mA) FET-SW EEPROM MSD309 3.3VD(3.31V,77mA) 1.8VA(1.786V,611mA) PWR ON/OFF PS331 1.2V(1.195V,70.30mA) MSD309 Demod Demod 1.32V(1.314V,762.5mA) DC-DC MSD309 POWERBOARD 2.5VDemod(2.505V,28.1mA) Demod 2.5VA(2.5V,111.5mA)

  • Page 6: Ic Block Diagrams

    Block Diagrams IC5501 MSD309PX-LFM IC5501 MSD309PX-LFM L5503 RXO0- MIUB_DQ[0-15] RXO0+ RXO1- MIUB_A[0-13] RXO1+ L5508 RXO2- RXO2+ RXOC- RXOC+ AB25 AC25 AD25 L5506 RXO3- AA24 AB24 AC24 AD24 AE24 RXO3+ RXO4- AA23 AB23 AC23 AD23 AE23 RXO4+ MVERF MIUA_BA2 AA22 AB22 AC22 AD22 AE22...
  • Page 7 Block Diagrams IC5700 MX25L3206EM2I Address Generator Memory Array Page Buffer Data SI/SIO0 Register Y-Decoder SO/SIO1 SRAM Buffer Sense CS#, Amplifier Mode State WP#/ACC, Logic Machine HOLD# Generator SCLK Clock Generator Output Buffer...
  • Page 8 Block Diagrams IC001 R2A15120FAP 36 35 32 31 26 25 OUTB1 OUTB2 OUTB1 OUTB2 VDB1 VDB2 VDB1 VDB2 HBB1 HBB2 HBA1 HBA2 VDA1 VDA2 VDA1 VDA2 OUTA1 OUTA2 OUTA1 OUTA2 CONFIDENTIAL TC90517FG Toshiba products specification [Tentative] 11 12 Configuration All functions required for ISDB-T demodulation and error correction are built into the TC90517. The input signals to be supported are a low IF (intermediate frequency) signal and direct IF signal.

  • Page 9: On-Screen Service Menu System

    On-screen Service Menu System General This set has an On-screen Menu system included in the CPU that allows remote operation for most of the service adjustments. Side Controls On-screen Service Menu System Quick operation is needed to enter Service Mode. r How to enter the Service Menu 1.
  • Page 10 On-screen Service Menu System ■ Service Adjustment Data Table ADC ADJUST MODE R-GAIN 4096 G-GAIN 4096 B-GAIN 4096 RED OFFSET GREEN OFFSET BLUE OFFSET AUTO ADC <FAIL/SUCCESS> MODE YPbPr(SD) R-GAIN 4626 G-GAIN 4522 B-GAIN 4626 RED OFFSET 2048 GREEN OFFSET BLUE OFFSET 2048 AUTO ADC...

  • Page 11: Service Adjustments

    Service Adjustments CAUTION ! Do not attempt to adjust service adjustments not listed below otherwise it may cause loss of performance and for correct operation. Setting the Initial data This adjustment is controlled by the CPU (IC5501) through the IIC Bus Data Line in the chassis, and those adjustment data are memorized the memory IC (IC5601, IC5602).
  • Page 12 Service Adjustments ADC ADJUST 1. Enter the Service Mode. 2. Select "ADC ADJUST" by pressing ▲ or ▼ button, then press ENTER button to enter ADC ADJUST menu. ADC ADJUST MODE R-GAIN 4096 G-GAIN 4096 B-GAIN 4096 RED OFFSET GREEN OFFSET BLUE OFFSET AUTO ADC FAIL...
  • Page 13 Service Adjustments W/B ADJUST Pattern PAL-N White 80%. Condition Picture Mode: STANDARD Color Temperature: NORMAL Aging Time: More than 10 minutes Adjustment 1. Enter the Service Mode. 2. Select "W/B ADJUST" by pressing ▲ or ▼ button, then press ENTER button to enter W/B ADJUST menu.

  • Page 14: Mechanical Disassembly

    BOARD LID BACK POWER BOARD BOARD SHEET HOLDER BASE FIREPROOFING POWER PCB A BUTTON MOUNTING BOARD BRKT PANEL STAND BASE AL TAPE DEC IND RC SPEAKER STAND BASE SANYO BADGE DEC PANEL BUTTON UNITED PLATE RUBBER PAD (8 pcs) -14-...
  • Page 15 Mechanical Disassembly 1. STAND Removal 1. Remove 4 screws and remove the STAND. STAND 2. LID BACK Removal 1. Remove 8 screws and take the LID BACK off. -15-...
  • Page 16 Mechanical Disassembly 3. ASSY, PWB, POWER Board, ASSY, PWB, MAIN Board and ASSY, PWB, SUB Board Removal 1. Remove 6 screws and take ASSY, PWB, POWER Board off. 2. Remove 10 screws and take ASSY, PWB, MAIN Board and ASSY, PWB, SUB Board off. ASSY, PWB, MAIN Board ASSY, PWB, POWER Board ASSY, PWB, SUB Board...
  • Page 17 Mechanical Disassembly 5. DEC IND RC, MOUNTING HANGER and PANEL Removal 1. Take the DEC IND RC off. 2. Remove 4 screws and take MOUNTING HANGER L and MOUNTING HANGER R off. 3. Remove 2 screws and take MOUNTING BRKT PANEL off. 4.

  • Page 18: Cabinet Parts List

    Cabinet Parts List Note: Parts order must contain Service Ref. No., Part No., and descriptions. Note: The parts which are not described the part number in this parts list are not supplied for the service parts. Key No. Part No. Description Key No.

  • Page 19: Chassis Electrical Parts List

    Chassis Electrical Parts List Note: Parts order must contain Service Ref. No., Part No., and descriptions. Key No. Part No. Description Key No. Part No. Description ASSEMBLED BOARDS MISCELLANEOUS A102 655 004 5133 ASSY,PWB,KEY Z5LW K1980 645 074 0299 PLUG,SIDE-ZR-SM4 4P SC1900 945 076 3503 SURGE-ABSORBER...
  • Page 20 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R1922 301 255 6513 MT-GLAZE 100 JA 1/10W 305 134 5928 TR 2SA1037AK-T146-R R1923 301 162 3018 MT-GLAZE 22K JA 1/10W 405 220 3115 TR ISA1235AC1E R1924 301 256 6215 MT-GLAZE...
  • Page 21 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 406 021 4407 TR MMBTSC3928R 304 104 4903 CERAMIC 0.1U K Q6921 406 022 6004 TR RQJ0201UGDQA#H6 C008 404 121 2903 CERAMIC 2.2U K Q6922 305 015 8727 TR 2SC2812-L6-TB 303 382 7814 CERAMIC...
  • Page 22 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description C081 404 121 2903 CERAMIC 2.2U K 303 356 5112 CERAMIC 0.047U K 50V 303 382 7814 CERAMIC 2.2U K 304 104 6709 CERAMIC 0.047U K 50V C082 303 382 6312 CERAMIC...
  • Page 23 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 303 367 0410 CERAMIC 0.1U K 304 104 4903 CERAMIC 0.1U K 304 104 4903 CERAMIC 0.1U K C5662 304 091 2609 CERAMIC 0.1U K C5607 304 091 2609 CERAMIC 0.1U K...
  • Page 24 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description C5810 304 091 2609 CERAMIC 0.1U K 304 104 0301 CERAMIC 1000P J 50V 303 367 0410 CERAMIC 0.1U K C5829 304 091 2609 CERAMIC 0.1U K 304 104 4903 CERAMIC 0.1U K...
  • Page 25 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description C6803 304 091 2609 CERAMIC 0.1U K 303 367 0410 CERAMIC 0.1U K 303 367 0410 CERAMIC 0.1U K 304 104 4903 CERAMIC 0.1U K 304 104 4903 CERAMIC 0.1U K C6832...
  • Page 26 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 303 356 5112 CERAMIC 0.047U K 50V R033 301 256 6314 MT-GLAZE 47K JA 1/10W 304 104 6709 CERAMIC 0.047U K 50V R044 301 150 5918 MT-GLAZE 10K JA 1/10W...
  • Page 27 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R5543 301 150 6014 MT-GLAZE 0.000 ZA 1/10W R6528 301 150 6014 MT-GLAZE 0.000 ZA 1/10W R5550 301 150 6212 MT-GLAZE 1K JA 1/10W R6529 301 150 6014 MT-GLAZE 0.000 ZA 1/10W R5551...
  • Page 28 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R6894 301 150 6014 MT-GLAZE 0.000 ZA 1/10W RB5658 945 037 0824 R-NETWORK 22X4 1/16W R6897 301 150 5918 MT-GLAZE 10K JA 1/10W RB5659 945 037 0824 R-NETWORK 22X4 1/16W R6921 301 256 6314...
  • Page 29 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description INTEGRATED CIRCUIT SC6542 945 076 3503 SURGE-ABSORBER SC6543 945 076 3503 SURGE-ABSORBER IC6873 309 437 4715 IC L88M05TL-TL SC6544 945 076 3503 SURGE-ABSORBER 309 370 8016 IC TA7805F CAPACITOR X5501...
  • Page 30 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 303 205 2811 CERAMIC 0.047U K 25V R1041 301 256 2712 MT-GLAZE 75 JA 1/10W C158 303 215 2214 CERAMIC 0.01U K 50V R1042 301 256 2712 MT-GLAZE 75 JA 1/10W...
  • Page 31 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R158 301 255 6513 MT-GLAZE 100 JA 1/10W 305 173 9717 TR 2SA1235A1F R159 301 255 6513 MT-GLAZE 100 JA 1/10W 305 173 9618 TR 2SA1235A1E R3104 301 255 9019 MT-GLAZE...
  • Page 32 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description C1623 304 106 4208 ELECT 1000U M 35V C613H1 655 001 8403 EYELET C1624 304 106 4208 ELECT 1000U M 35V C613H2 655 001 8403 EYELET C1625 303 370 1510 CERAMIC...
  • Page 33 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 404 117 1804 CERAMIC 220P K 400V R617 301 265 3113 MT-GLAZE 5.6K FA 1/10W C662 304 073 4409 CERAMIC 220P K 250V R618 401 360 5316 MT-GLAZE 750K FA 1/4W 404 117 1804...
  • Page 34 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description VARIABLE RESISTOR D603H2 655 001 8410 EYELET VA602 307 255 1401 VARISTOR S14K385E2 D603H3 655 001 8410 EYELET 307 262 0602 VARISTOR MYG3-14K385 D603H4 655 001 8410 EYELET TRANSFORMER D604...
  • Page 35 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 655 002 3377 BADGE,SANYO*43.5X10L43.5 655 001 8274 SPACER SHEET-N5AP 655 001 8212 SPACER SHEET-N5CP 655 002 3032 SPACER SHEET C/F-N5ZP CHASSIS PARTS 610 355 3764 ADHESIVE CLOTH TAPE-Z5HW...

  • Page 36: Printed Wiring Board

    Printed Wiring Board MAIN BOARD (Solder Side) R6605 R6604 R6607 C5832 R6606 C6604 L5806 C5833 L6601 R5821 C3001 SC04 L5804 C5803 SC6543 SC08 Q6541 C5804 R6541 R3003 R8519 C5819 R3001 R5822 Q3001 C5818 R3002 C5829 C5831 C5751 C5830 C5835 R5819 R5757 R5825 C5817...
  • Page 37 Printed Wiring Board MAIN BOARD (Part Side) C017 C014 C015 C021 C023 C022 R7513 R001 R002 R046 R004 R005 C6803 L001 D6863 C077 Q6861 C076 D6862 R041 R6806 C071 R033 R042 C6932 R032 C048 R043 C6816 R031 C045 IC6801 L6806 SC6505 SC6503 SC6501...
  • Page 38 Printed Wiring Board SUB BOARD (Solder Side) C1304 SC01 R1305 K6874 K6872 K6902 K6901 IC1301 C1306 K6873 K6875 K6904 K6903 R1304 C1303 C6901 C1307 SC04 C6903 C6912 C6906 C1305 C1250 C1061 C6902 C1062 R1306 C1255 Q1253 C6905 J1035 R1266 R1267 C6904 R1254 R1265...
  • Page 39 Printed Wiring Board SUB BOARD (Part Side) -39-...
  • Page 40 Printed Wiring Board POWER BOARD (Solder Side) SCB7 SCB1 L602H2 JP605 JP607 L602H1 L603 L601H4 L601H3 JP601 R606 R607 R605 R604 L601 JP606 JP608 JP602 L602H4 L601H1 L601H2 F603 D603 D603H1 D603H4 C613H2 R625 D606 D603H3 D603H2 C638 D602 C611 JP615 C611H1 C611H2...
  • Page 41 Printed Wiring Board POWER BOARD (Part Side) -41-...
  • Page 42 Printed Wiring Board KEY BOARD (Solder Side) 1LG4B10Y0730B.UE8L.KEY ***.??? K1980 KEY BOARD (Part Side) ***.??? 1LG4B10Y0730B.UE8L.KEY D1905 D1904 SW1907 D1906 R1905 SW1901 R1910 R1909 SW1905 SW1904 SW1903 R1906 SW1902 SW1906 R1908 RC BOARD (Solder Side) R1925 Q1901 1LG4B10Y0730C.UE8L.RC R1936 R1931 R1929 R1933 Q1903...

  • Page 43: Schematic Diagram

    Schematic Diagram RC BOARD C1923 R1933 16KK0.1GQ 1/10GJ220KC R1930 1/10GZ0C R1929 1/10GJ10KC R1932 R1931 1/10GJ10KC R1928 R1935 1/10GJ1.8KC U1901_GND R1937 1/10GJ3.3KC POWER D1902 SC1904 R1926 SML-020MLTG 1/10GJ820C R1924 GREEN C1922 1/10GJ270C Q1902 KK1000GQ SC1903 R1921 R1925 1/10GJ220C 1/10GJ22KC TIME C1921 D1901 6.3KK10MB Q1901...
  • Page 44 UP VOL DOWN R1908 R1909 R1910 R1907 D1909 1/10 D1908 1/10 D1906 1/10GJ GJ3.6KC 1/10GJ1.2KC UDZS10BG GJ33KC UDZS10BG 7.5KC UDZS10BG SC1901 Z30B0220G SW1906 SW1904 SW1905 D1907 S10B3530G S10B3530G S10B3530G UDZS10BG 0.4V 1.2V 2.0V 2.8V SANYO Electronics CO., Ltd. Mar. 2011 -44-...
  • Page 45 N: Metalized carbon SERVICE mark. 7. Parts specified with "X" are not installed in this model. Kind (M.carbon) S: Oxied metalized LCD-42XF8T-00 REF. NO. 8. Parts specified with "J" are just jumper wires. Rated wattage (1/2W) W: Wire wounding C: Solid...
  • Page 46 MAIN BOARD (2) K5561 K5562 5VSTB 2.5V_DEMOD K5553 K5552 IR_SYNC J10ES066G KK0.1GQ 3.3VD K5552_1 3.3VSTB K7501 5VSTB 3.3VA K5552_2 R5515 R5554 C5750 R5514 1/10GJ2.2KC K5552_3 1/10GJ2.2KC 1/10GJ8.2KC KK0.1GQ R5550 R5553 R5561 1/10GJ10KC 1/10GJ1KC RXE4+ 32Mb SPI FLASH 3.3VA C5522 K5552_4 TIMER_LED KEY0 K5551...
  • Page 47 SUB BOARD K6901 J10AU145N C104 L100 B4L26B0700G KZ0.1LBYDG 5V_TUNER 5V_B1 K6902 J10AU055N C105 K6903 C103 10EM470LBVD CJ1000CGQ K6904 CL6901_12 CL6901_9 CL6901_4 CL6860_7 5VSTB C6902 C6901 16EM100LBVD KK0.1GQ C6912 KK0.1GQ GND_P 12VP CLOSED TO TUNER C6903 KK0.1GQ C6904 16EM100LBVD IC6873 TA7805FP 12VA C6905 C6906...
  • Page 48 POWER BOARD C1601 24VP SCREW R1601 16KK0.22LZB D650 GJ4.7KB R1603 :16KK0.22GQ K1602 BPC-817MC 1/10GJ1KC R1602 SCB5 1/10GJ2.2KC SCB1 R655 Q602 1 2 3 4 5 6 7 1 2 3 4 5 6 7 STF13NK50Z R1604 C1602 8 9 1011121314 1/4GJ10B IC1601 8 9 1011121314...

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