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 Model No.    LCD-42K30-HD  

            

  Service Ref.No.  LCD-42K30-HD-00

SERVICE MANUAL  LCD Television

Product Code: 1-130-184-09

Original Version

Chassis Series:UH4-B

N7DK

                                                                                    REFERENCE No. 

SM

3010411

Contents

FILE NO.

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.

Safety Notice...............................................2

Specifications..............................................3

Chassis Block Diagrams.............................4

CPU Block Diagrams 

.................................5 

On-screen Service Menu System

..........6-13

Service Adjustments

.................................14

Mechanical Disassembly

.....................15-16

Chassis Electrical Parts List.................17-33

PCB Assemble.....................................34-35

Printed Wiring Board............................36-39

Schematic Diagram..............................40-41

Summary of Contents for LCD-42K30-HD

Page 1: ...e 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 Safety Notice 2 Specifications 3 Chassis Block Diagrams 4 CPU Block Diagrams 5 On screen Service Menu System 6 13 Service Adjustments 14 Mechanical Disassembly 15 16 Chassis Electric...

Page 2: ...ide of the cabinet to see that no stray parts or tools have been left inside Before returning any televison to the customer the service personnel must be sure that it is completely safe to operate without danger of electrical shock Product Safety Notice Product safety should be considered when a component replacement is made in any area of a receiver Components indicated by mark in the parts list ...

Page 3: ...Mains 6cm x 12cm x 2pcs Sound speciality Maximum Output Power is 10W 10W Total Harmonic Distortion THD 10 Input terminals PC input terminal RGB X 1 HDMI terminal x3 Audio Mini stereo jack x 1 Audio input of PC Video Composite video terminals x1 1Vp p 75Ω S VIDEO input x 1 DIN 4 pin Y C separate signal input DVD input Component video input Y CB PB CR PR input x 1 Audio input R L x 4 400mVrms Output...

Page 4: ...C in L R in R G B in TMDS351 HD MI S W woofer wooferr 24LC21A 24C02CT 24C02CT SPI FLASH 24LA64A T PANEL LVDS I2C TPA3123D2 P TPA6110A2P Headphone PHL R OUT AV2 DVD2 Video in Y Pb Pr in HDMI2 24C02CT Y Pb Pr in L R in L R in L R in TV in audio out video out I2C TPA3123D2 P L R Speaker L R OUT I2C DDR HYB18TC512 DDR HYB18TC512 Light sensor ...

Page 5: ... FLI32656H IC Block Diagrams ...

Page 6: ...on and press 1 button on the remote control and the FACTORY MENU will be displayed To adjust data 1 Select DATA line by pressing or button To exit service mode Press MENU button to exit service mode Note The all adjusted data in service mode will be memorized into EEPROM automatically 2 Press button to adjust data OK Open or close the On Screen Menu MENU button Side Controls Service Mode Menu Serv...

Page 7: ...rightness basic value Personal Picmodepersonalcon 70 FLI32626 Contrast basic value Personal Picmodepersonalsat 50 FLI32626 Saturation basic value Personal Picmodenormalbri 50 FLI32626 Brightness basic value Normal Picmodenormalcon 70 FLI32626 Contrast basic value Normal Picmodenormalsat 50 FLI32626 Saturation basic value Normal AGC EN AGC DISABLE FLI32626 AGC Set Enable or Disable ECO DYNAMIC 0 FL...

Page 8: ...ffset RF PALM Sharpnessoffset 0 FLI32626 Sharpness offset RF PALM Redoffset 0 FLI32626 WR offset RF PALM Greenoffset 0 FLI32626 WG offset RF PALM Blueoffset 0 FLI32626 WB offset RF PALM FLI32626 5 CVBS1PALN ALL Normalred SameasGerenaldata 1 ALL FLI32626 Same as Gerenal data 1 ALL Gerenal Data Normalgreen FLI32626 Normalblue FLI32626 Warmred FLI32626 Warmgreen FLI32626 Warmblue FLI32626 Coolred FLI...

Page 9: ...0 FLI32626 WR offset AV1 NTSC Greenoffset 21 FLI32626 WG offset AV1 NTSC Blueoffset 0 FLI32626 WB offset AV1 NTSC 7 CVBS1SECAM Brightnessoffset 0 FLI32626 Brightness offset AV1 SECAM Contrastoffset 5 FLI32626 Contrast offset AV1 SECAM Saturationoffset 0 FLI32626 Saturation offset AV1 SECAM Hueoffset 0 FLI32626 Hue offset AV1 SECAM Sharpnessoffset 0 FLI32626 Sharpness offset AV1 SECAM Redoffset 0 F...

Page 10: ...FLI32626 Same as Gerenal data 1 ALL 9 CVBS2NTSC Brightnessoffset 9 FLI32626 Brightness offset AV2 NTSC Contrastoffset 15 FLI32626 Contrast offset AV2 NTSC Saturationoffset 0 FLI32626 Saturation offset AV2 NTSC Hueoffset 0 FLI32626 Hue offset AV2 NTSC Sharpnessoffset 0 FLI32626 Sharpness offset AV2 NTSC Redoffset 0 FLI32626 WR offset AV2 NTSC Greenoffset 21 FLI32626 WG offset AV2 NTSC Blueoffset 0 ...

Page 11: ...480I PORT Brightnessoffset 15 FLI32626 Brightness offset Component 480i Component Contrastoffset 10 FLI32626 Contrast offset Component 480i Saturationoffset 40 FLI32626 Saturation offset Component 480i Hueoffset 0 FLI32626 Hue offset Component 480i Sharpnessoffset 3 FLI32626 Sharpness offset Component 480i Redoffset 0 FLI32626 WR offset Component 480i Greenoffset 15 FLI32626 WG offset Component 48...

Page 12: ...set Component 720p 60Hz Greenoffset 10 FLI32626 WG offset Component 720p 60Hz Blueoffset 0 FLI32626 WB offset Component 720p 60Hz 20 COMP1080I50PORTBrightnessoffset 10 FLI32626 Brightness offset Component 1080i 50Hz Component Contrastoffset 5 FLI32626 Contrast offset Component 1080i 50Hz 1080i 50Hz Saturationoffset 40 FLI32626 Saturation offset Component 1080i 50Hz Hueoffset 0 FLI32626 Hue offset ...

Page 13: ...lueoffset 0 FLI32626 WB offset Component 1080p 50Hz 25 COMP1080P60PORTBrightnessoffset 10 FLI32626 Brightness offset Component 1080p 60Hz Component Contrastoffset 5 FLI32626 Contrast offset Component 1080p 60Hz 1080p 60Hz Saturationoffset 40 FLI32626 Saturation offset Component 1080p 60Hz Hueoffset 0 FLI32626 Hue offset Component 1080p 60Hz Sharpnessoffset 3 FLI32626 Sharpnessoffset Component1080p...

Page 14: ... to be the same as the Service Adjustment Data Table If it is different change to correct data 4 Exit the Service Mode White balance Adjustment Pattern White Pattern 100 in AV mode Condition Picture Mode STANDARD Color Temperature NORMAL Aging Time More than 10 minutes Adjustment 1 Enter the Service Mode 2 Select Source ALL by pressing button and select Properties White by pressing button 3 Set R ...

Page 15: ... Mechanical Disassembly 一 Lid Back Removal 1 Remove screws A B 2 Take the Lid Back off please refer to Picture 2 A 2pcs B 3pcs A A B B B LID BACK Picture 1 Picture 2 KEY LED BOARDS POWER BOARD MAIN BOARD ...

Page 16: ... take the Cabinet Back off please refer to Picture 4 2 Remove Power Board Holder firstly then remove Screw E to take Power Board off 3 Remove Screw A and E take Main Board off A 3pcs C 16pcs D 5pcs E 11pcs C C C C C C C C C C C C D D D D E E Picture 3 Picture 4 C C C C D A Power Board Holder ...

Page 17: ...412K T146 R 305 014 4611 TR 2SC2412K T146 S 305 015 8727 TR 2SC2812 L6 TB 305 015 8925 TR 2SC2812 L7 TB 305 163 1615 TR 2SC2812N L6 TB0 305 173 9816 TR 2SC3928A1R 305 173 9915 TR 2SC3928A1S 406 021 4407 TR MMBTSC3928R Q017 305 014 4512 TR 2SC2412K T146 R 305 014 4611 TR 2SC2412K T146 S 305 015 8727 TR 2SC2812 L6 TB 305 015 8925 TR 2SC2812 L7 TB 305 163 1615 TR 2SC2812N L6 TB0 305 173 9816 TR 2SC39...

Page 18: ...R Q8002 305 014 4512 TR 2SC2412K T146 R 305 014 4611 TR 2SC2412K T146 S 305 015 8727 TR 2SC2812 L6 TB 305 015 8925 TR 2SC2812 L7 TB 305 163 1615 TR 2SC2812N L6 TB0 305 173 9816 TR 2SC3928A1R 305 173 9915 TR 2SC3928A1S 406 021 4407 TR MMBTSC3928R IC001 409 691 0413 IC TPA3123D2PWPR IC003 409 691 0314 IC TPA6110A2DGNR IC1501 309 462 0327 IC 24LC21AT SN IC5500 410 677 7408 IC HYB18TC512160CF 2 5 IC55...

Page 19: ...V C402 303 298 9612 CERAMIC 0 1U K 16V 304 103 4508 CERAMIC 0 1U K 16V 304 095 0502 CERAMIC 0 1U K 16V C5500 304 103 2405 CERAMIC 1000P K 50V 304 090 1108 CERAMIC 1000P K 50V C5501 304 103 2900 CERAMIC 0 01U K 50V 304 090 1207 CERAMIC 0 01U K 50V C5502 304 103 2405 CERAMIC 1000P K 50V 304 090 1108 CERAMIC 1000P K 50V C5504 304 103 2405 CERAMIC 1000P K 50V 304 090 1108 CERAMIC 1000P K 50V C5505 304...

Page 20: ...304 095 0502 CERAMIC 0 1U K 16V C7215 303 298 9612 CERAMIC 0 1U K 16V 304 103 4508 CERAMIC 0 1U K 16V 304 095 0502 CERAMIC 0 1U K 16V C7216 303 298 9612 CERAMIC 0 1U K 16V 304 103 4508 CERAMIC 0 1U K 16V 304 095 0502 CERAMIC 0 1U K 16V C7217 303 298 9612 CERAMIC 0 1U K 16V 304 103 4508 CERAMIC 0 1U K 16V 304 095 0502 CERAMIC 0 1U K 16V C7218 303 298 9612 CERAMIC 0 1U K 16V 304 103 4508 CERAMIC 0 1...

Page 21: ...2 CERAMIC 0 1U K 16V C7282 304 103 2405 CERAMIC 1000P K 50V 304 090 1108 CERAMIC 1000P K 50V C7284 304 103 2405 CERAMIC 1000P K 50V 304 090 1108 CERAMIC 1000P K 50V C7287 303 368 7319 CERAMIC 10U K 6 3V 403 455 1616 CERAMIC 10U K 16V C7288 304 103 2405 CERAMIC 1000P K 50V 304 090 1108 CERAMIC 1000P K 50V C7290 304 103 2405 CERAMIC 1000P K 50V 304 090 1108 CERAMIC 1000P K 50V C7293 304 103 2405 CER...

Page 22: ... 16V C7365 303 298 9612 CERAMIC 0 1U K 16V 304 103 4508 CERAMIC 0 1U K 16V 304 095 0502 CERAMIC 0 1U K 16V C7366 303 383 1316 ELECT 10U M 16V 303 238 3727 ELECT 10U M 16V 304 094 0107 ELECT 10U M 16V C7367 303 383 1316 ELECT 10U M 16V 303 238 3727 ELECT 10U M 16V C7368 303 298 9612 CERAMIC 0 1U K 16V 304 103 4508 CERAMIC 0 1U K 16V 304 095 0502 CERAMIC 0 1U K 16V C7369 304 103 2900 CERAMIC 0 01U K...

Page 23: ...IC 0 1U K 16V 304 095 0502 CERAMIC 0 1U K 16V C764 303 298 9612 CERAMIC 0 1U K 16V 304 103 4508 CERAMIC 0 1U K 16V 304 095 0502 CERAMIC 0 1U K 16V C765 304 103 2900 CERAMIC 0 01U K 50V 304 090 1207 CERAMIC 0 01U K 50V C766 304 103 2900 CERAMIC 0 01U K 50V 304 090 1207 CERAMIC 0 01U K 50V C767 304 103 2900 CERAMIC 0 01U K 50V 304 090 1207 CERAMIC 0 01U K 50V C768 304 103 2900 CERAMIC 0 01U K 50V 30...

Page 24: ... 150 6014 MT GLAZE 0 000 ZA 1 10W R1508 301 162 3711 MT GLAZE 4 7K JA 1 10W R1509 301 162 3711 MT GLAZE 4 7K JA 1 10W R1510 301 256 2712 MT GLAZE 75 JA 1 10W R1511 301 256 2712 MT GLAZE 75 JA 1 10W R1512 301 256 2712 MT GLAZE 75 JA 1 10W R1513 301 150 6014 MT GLAZE 0 000 ZA 1 10W R1514 301 150 6014 MT GLAZE 0 000 ZA 1 10W R1515 301 150 6014 MT GLAZE 0 000 ZA 1 10W R1516 301 255 6513 MT GLAZE 100 J...

Page 25: ... 10W R7265 301 255 8715 MT GLAZE 22 JA 1 10W R7266 301 255 8715 MT GLAZE 22 JA 1 10W R7267 301 255 8715 MT GLAZE 22 JA 1 10W R7268 301 255 8715 MT GLAZE 22 JA 1 10W R7269 301 255 8715 MT GLAZE 22 JA 1 10W R727 301 150 6014 MT GLAZE 0 000 ZA 1 10W R7270 301 255 8715 MT GLAZE 22 JA 1 10W R7271 301 255 8715 MT GLAZE 22 JA 1 10W R7272 301 150 6014 MT GLAZE 0 000 ZA 1 10W R7273 301 150 6014 MT GLAZE 0 ...

Page 26: ...150 6014 MT GLAZE 0 000 ZA 1 10W R7605 301 150 6014 MT GLAZE 0 000 ZA 1 10W R7606 301 150 6014 MT GLAZE 0 000 ZA 1 10W R7607 301 150 6014 MT GLAZE 0 000 ZA 1 10W R7608 301 150 6014 MT GLAZE 0 000 ZA 1 10W R7609 301 150 6014 MT GLAZE 0 000 ZA 1 10W R761 301 256 6314 MT GLAZE 47K JA 1 10W R7610 301 150 6014 MT GLAZE 0 000 ZA 1 10W R7613 301 150 6014 MT GLAZE 0 000 ZA 1 10W R7614 301 150 6014 MT GLAZ...

Page 27: ...3895 INDUCTOR 220 OHM 952 001 6980 INDUCTOR 220 OHM L8001 301 150 6014 MT GLAZE 0 000 ZA 1 10W L8002 301 150 6014 MT GLAZE 0 000 ZA 1 10W L8003 301 150 6014 MT GLAZE 0 000 ZA 1 10W L8004 301 150 6014 MT GLAZE 0 000 ZA 1 10W L8005 301 150 6014 MT GLAZE 0 000 ZA 1 10W L8006 301 150 6014 MT GLAZE 0 000 ZA 1 10W L8007 945 049 6876 IMPEDANCE 1000 OHM P L8008 945 049 6876 IMPEDANCE 1000 OHM P L8009 945 ...

Page 28: ...R1904 301 256 7212 MT GLAZE 18K JA 1 10W R1905 301 256 5317 MT GLAZE 56K JA 1 10W R1906 301 256 0411 MT GLAZE 12K JA 1 10W R1907 301 256 0114 MT GLAZE 8 2K JA 1 10W R1908 301 255 6513 MT GLAZE 100 JA 1 10W R1909 301 150 6014 MT GLAZE 0 000 ZA 1 10W R1911 301 150 6014 MT GLAZE 0 000 ZA 1 10W L1900 945 004 6651 INDUCTOR 600 OHM 652 002 5400 INDUCTOR 600 OHM SC1900 945 076 3503 SURGE ABSORBER SC1901 ...

Page 29: ... 173 9618 TR 2SA1235A1E 305 173 9717 TR 2SA1235A1F 405 220 3115 TR ISA1235AC1E 405 220 3016 TR ISA1235AC1F 406 021 4308 TR MMBTSA1235F IC1601 409 691 0512 IC FAN7602M IC602 409 696 5710 IC L6562ADTR IC604 409 691 5200 IC TL431ATA 309 180 2310 IC UPC1093J T IC610 409 691 5200 IC TL431ATA 309 180 2310 IC UPC1093J T IC633 409 686 7618 IC L6599DTR IC670 309 499 1506 IC KIA78R05PI IC680 409 691 0106 IC...

Page 30: ... K 2K C662 304 106 4703 ELECT 2200U M 35V C663 303 431 5508 ELECT 1000U M 35V 304 106 4208 ELECT 1000U M 35V C664 304 104 4903 CERAMIC 0 1U K 50V 304 091 2609 CERAMIC 0 1U K 50V C665 303 431 5508 ELECT 1000U M 35V 304 106 4208 ELECT 1000U M 35V C666 303 247 5026 CERAMIC 470P K 1K 303 269 1822 CERAMIC 470P K 1K 304 107 8205 CERAMIC 470P K 1K 304 086 1501 CERAMIC 470P K 1K C667 303 247 5026 CERAMIC ...

Page 31: ...W R622 301 238 3208 OXIDE MT 0 15 JA 2W 402 117 2609 OXIDE MT 0 15 JA 2W 302 109 9008 OXIDE MT 0 15JA 2W R623 301 150 6212 MT GLAZE 1K JA 1 10W R624 301 187 9217 MT GLAZE 10 JA 1 4W R626 301 254 5715 MT GLAZE 750K JA 1 4W R627 301 254 5715 MT GLAZE 750K JA 1 4W R629 301 187 9514 MT GLAZE 1M JA 1 4W R630 301 059 0113 OXIDE MT 12K JA 1W 402 109 6400 OXIDE MT 12K JA 1W 302 104 8402 OXIDE MT 12KJA 1W ...

Page 32: ...1 D1607 308 061 8806 DIODE EG01C 408 065 3408 DIODE EG01C D601 407 265 8008 DIODE UHF10JT D602 308 061 4709 DIODE RL255 D603 408 064 3508 DIODE D15SB60 D603A 655 002 7184 HEAT SINK POWER A N6YP D603H1 655 001 8410 EYELET D603H2 655 001 8410 EYELET D603H3 655 001 8410 EYELET D603H4 655 001 8410 EYELET D604 307 218 7511 ZENER DIODE UDZS16B TE 17 408 064 7506 ZENER DIODE MM3Z 16B D610 408 066 0901 DI...

Page 33: ... SPACER SHEET N5AP 655 002 3032 SPACER SHEET C F N5ZP 655 002 6514 SPACER SHEET SP HOLDER A N6YP 655 002 6507 SPACER SHEET SP HOLDER B N6YP CHASSIS PARTS 655 002 6545 HOLDER PWB R2 0 L14 0 R2 0 910 211 8187 WIRE BAND CV 70A 312 073 0406 SPECIAL SCREW PACKING MATERIALS DIRECTORY 610 345 0582 CARTON CASE N7DK 610 335 9458 BAG N5LV 610 345 0308 CUSHION TOP N7DM 610 345 0322 CUSHION BTM N7DM 655 002 4...

Page 34: ...34 PCB ASSEMBLE FLI32652 FLI32626 AP830 2 SRS AU DIO AM P DDR2 256M DDR2 256M AU DIO AM P TMDS 351 H DMI ...

Page 35: ...35 PCB ASSEMBLE D 603A Q 602A I C 670A AC IN AP 2 S AU DIO AM P AU DIO AM P ...

Page 36: ...55 R7241 C756 C757 R7244 Q3000 R7245 Q3001 R7246 C5522 R7247 C5523 C7270 R7248 C5524 C7271 C5525 C7272 C5526 C7273 C7274 C5528 C7275 C5529 C761 C762 C763 D8000 C764 C7279 R7251 D705 D8001 C765 D8002 R7252 D706 C766 C767 C5530 R8000 C768 C5531 R8001 C5532 C5533 R7258 C7281 C5535 C7282 SC02 SC03 C7284 C5538 8 5 1 4 IC8000 C5539 SC05 R7261 SC09 R7262 D3000 D3001 R7267 R8013 C7290 R8014 R7269 R8015 R8...

Page 37: ...505 Q401 L7506 C5517 C5519 R7242 R7243 C758 C5520 C5521 C759 L7513 L7514 R7249 L7515 L7516 L7517 C760 L7518 D700 C7276 C7277 R5503 D703 C7278 R7250 D8003 D707 R7253 D8004 R7254 IC5500 R7255 L7521 IC5501 R7256 R7257 1 5 4 8 IC5503 R7259 R8006 R8007 R8008 R8009 8 5 4 1 IC8001 C7287 C7288 R7260 R7263 R8010 R7264 C5540 R8011 R7265 C5541 L7531 R8012 R7266 C5542 C5543 R7268 R8017 R8018 R8019 R7270 R5524...

Page 38: ...900 ZD1901 ZD1902 ZD1903 ZD1904 ZD1905 ZD1906 Q1901 Q1902 C1920 C1921 C1922 R1920 R1921 R1922 R1923 R1924 R1925 R1926 SC1903 SC1904 R1947 C1940 R1941 R1942 R1944 R1945 R1946 R1949 R1950 R1951 R1952 R1953 R1955 R1956 R1957 Q1904 Q1906 Q1907 Q1908 Q1909 C611 C614 C615 C616 C617 C622 C630 C631 C632 C633 C634 C637 C640 C660 C664 C671 C673 C675 C684 C685 C686 C687 C689 C6009 C693 C694 C696 C698 C6022 C...

Page 39: ...J639 J642 J647 J668 J608 J611 J615 J638 J643 J646 J652 J667 J669 J679 J680 L610 L611 JP601 JP602 JP603 JP604 JP605 JP606 J648 J649 JP631 J617 J656 J678 J696 J697 J702 J703 J704 J698 J625 J626 J635 J655 J661 J664 J670 J699 L660 L661 L663 L662 L670 L671 R657 R658 R659 R630A R670A R684A R1654 R666A R630 R670 R684 R1608 R620 R622 R654 R660 R 66 1 R681 R1618 E Q670 E Q682 E Q1606 E Q681 VA601 D672 1 5 ...

Page 40: ...L6599 1 Css 2 Rfstart 3 Cf 4 Rfmin 5 OPOUT 6 OPIN 7 OPIN 8 EN1 9 EN2 10 GND 11 LVG 12 Vs 13 NC 14 OUT 15 HVG 16 VBOOT SCB4 1 2 3 4 5 6 7 8 9 1011121314 2SJ68K R1618 P GND 1000KK1000CRD C695 24VP DDXLBB042G D1602 KK0 1LBYAG C693 1000KK1000CRD C678 X K670 1 1 2 2 1 2GJ2 2 R1619 KK0 1LBYAG C685 450GK0 1DV C625 1 10GJ4 7KC R693 KK0 1LBYAG C1606 P GND 25EM47LBVD C638 T601H3 1 10GJ1KC R6811 1 10GJ47KC R...

Page 41: ...CMP 1 2 3 4 LVDS_O_CH4 GND2 DDR_M_CK LVDS_O_CH1 3 3V_I O 16KK0 1LBYAG C7253 1 10GJ100KC R1008 3 3VSTB 16EM221W C7304 AH Q7208 16EM221W C7320 BACKLIGHT_DET 1 10GJ47C R1020 C3115 X 1 10GJ1KC R8021 CL1501 X R3123 CL1503 16KK0 1LBYAG C7305 1 10GJ22C R7292 X R7353 LVDS_E_CLK DGND X IC002 1 PVCCL 2 oSD 3 PVCCL 4 MUTE 5 LIN 6 RIN 7 BYPASS 8 AGND 9 AGND 10 PVCCR 11 VCLAMP 12 PVCCR 13 PGNDR 14 PGNDR 15 ROU...

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