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SERVICE MANUAL LCD Television
Contents
Safety Notice...............................................2
Specifications..............................................3
Chassis Block Diagrams.............................4
CPU Block Diagrams
On-screen Service Menu
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
N7DK
.................................5
System..........6-13
FILE NO.
Model No. LCD-42K30-HD
Service Ref.No. LCD-42K30-HD-00
Product Code: 1-130-184-09
Original Version
Chassis Series:UH4-B
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.
SM
3010411

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Summary of Contents for Sanyo LCD-42K30-HD

  • Page 1 FILE NO. SERVICE MANUAL LCD Television Model No. LCD-42K30-HD Service Ref.No. LCD-42K30-HD-00 Product Code: 1-130-184-09 Contents Original Version Safety Notice..........2 Specifications..........3 Chassis Series:UH4-B Chassis Block Diagrams......4 CPU Block Diagrams .........5 On-screen Service Menu System..6-13 Give complete "SERVICE REF. NO." for Service Adjustments.........14...
  • 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-42K30-HD Maximum Visible Range 106cm (Screen Diagonal Size) Picture Resolution 1920(H) x 1080(V) Viewable Angle(L 。 /3) L/R:+/-89D, U/D:+/-89D Brightness 500cd/m² Contrast 1400:1 Definition RF Analog Signals: Horizontal≥300; Vertical≥400 Degree of Colour Coverage ≥30% Mobile Trailer Time Voltage...
  • Page 4: Chassis Block Diagrams

    Chassis Block Diagrams...
  • Page 5 IC Block Diagrams FLI32656H...
  • Page 6: 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. On-screen Service Menu System Quick operation is needed to enter Service Mode. ■ How to enter the Service Menu 1.
  • Page 7 On-screen Service Menu System ■ Service Adjustment Data Table Source Item Name Initial Data Description 1.ALL Normalred FLI32626 White Tone offset (Gerenal Data) Normalgreen FLI32626 (Normal) (Basic data) Normalblue FLI32626 Warmred FLI32626 White Tone offset Warmgreen FLI32626 (Warm) Warmblue FLI32626 Coolred FLI32626 White Tone offset...
  • Page 8 On-screen Service Menu System Source Item Name Initial Data Description Sharpnessoffset FLI32626 Sharpness offset(RF PALN) Redoffset FLI32626 WR offset(RF PALN) Greenoffset FLI32626 WG offset(RF PALN) Blueoffset FLI32626 WB offset(RF PALN) FLI32626 3.TVNTSC Brightnessoffset FLI32626 Brightness offset(RF NTSC) Contrastoffset FLI32626 Contrast offset(RF NTSC) Saturationoffset FLI32626 Saturation offset(RF NTSC)
  • Page 9 On-screen Service Menu System Source Item Name Initial Data Description AGC EN FLI32626 ECO DYNAMIC FLI32626 ECONTSC Dynamic FLI32626 ECO SOFT FLI32626 ECONTSC SOFT FLI32626 ECO ON FLI32626 ECONTSC ON FLI32626 Sensor_Dark FLI32626 Sensor_Light FLI32626 DCRECOOffset FLI32626 DCRBrightness FLI32626 EDID Write FLI32626 EDID Year FLI32626...
  • Page 10 On-screen Service Menu System Source Item Name Initial Data Description FLI32626 Sharpness FLI32626 Picmodedynamicbri FLI32626 Picmodedynamiccon FLI32626 Picmodedynamicsat FLI32626 Picmodesoftbri FLI32626 Picmodesoftcon FLI32626 Picmodesoftsat FLI32626 Picmodepersonalbri FLI32626 Picmodepersonalcon FLI32626 Picmodepersonalsat FLI32626 Picmodenormalbri FLI32626 Picmodenormalcon FLI32626 Picmodenormalsat FLI32626 AGC EN FLI32626 ECO DYNAMIC FLI32626 ECONTSC Dynamic...
  • Page 11 On-screen Service Menu System Source Item Name Initial Data Description Contrastoffset FLI32626 Contrast offset(Svideo PAL) Saturationoffset FLI32626 Saturation offset(Svideo PAL) Hueoffset FLI32626 Hue offset(Svideo PAL) Sharpnessoffset FLI32626 Sharpness offset(Svideo PAL) Redoffset FLI32626 WR offset(Svideo PAL) Greenoffset FLI32626 WG offset(Svideo PAL) Blueoffset FLI32626 WB offset(Svideo PAL)
  • Page 12 On-screen Service Menu System Source Item Name Initial Data Description Blueoffset FLI32626 WB offset(Component 480p) 17.COMP576P PORT Brightnessoffset FLI32626 Brightness offset(Component 575p) (Component) Contrastoffset FLI32626 Contrast offset(Component 575p) Saturationoffset FLI32626 Saturation offset(Component 575p) Hueoffset FLI32626 Hue offset(Component 575p) Sharpnessoffset FLI32626 Sharpness offset(Component 575p) Redoffset FLI32626...
  • Page 13 On-screen Service Menu System Source Item Name Initial Data Description Redoffset FLI32626 WR offset(Component 1080p/25Hz) Greenoffset FLI32626 WG offset(Component 1080p/25Hz) Blueoffset FLI32626 WB offset(Component 1080p/25Hz) 23.COMP1080P 30 PORT Brightnessoffset FLI32626 Brightness offset(Component 1080p/30Hz) (Component) Contrastoffset FLI32626 Contrast offset(Component 1080p/30Hz) ( 1080p 30Hz ) Saturationoffset FLI32626 Saturation offset(Component 1080p/30Hz)
  • Page 14: 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 (IC7200) through the IIC Bus Data Line in the chassis, and those adjustment data are memorized the memory IC (IC8000).
  • Page 15: Mechanical Disassembly

    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) BACK Picture 1. MAIN BOARD KEY&LED BOARDS Picture 2. POWER BOARD...
  • Page 16 Mechanical Disassembly (二) Cabinet Back and Chassis Board Removal 1. Remove screws C and D, 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.
  • Page 17: 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 EL901 645 098 7892 LCD(LC420WUN-SBA1) 305 014 4611 TR 2SC2412K T146 S SP901 952 001 4474 SPEAKER,8 305 015 8727 TR 2SC2812-L6-TB...
  • Page 18 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 305 015 8727 TR 2SC2812-L6-TB 305 173 9915 TR 2SC3928A1S 305 015 8925 TR 2SC2812-L7-TB 406 021 4407 TR MMBTSC3928R 305 163 1615 TR 2SC2812N-L6-TB0 Q8002 305 014 4512 TR 2SC2412K T146 R 305 173 9816...
  • Page 19 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 303 442 3015 ELECT 100U M C402 303 298 9612 CERAMIC 0.1U K C035 303 207 0310 CERAMIC 1U Z 304 103 4508 CERAMIC 0.1U K C037 303 298 9612 CERAMIC...
  • Page 20 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 304 103 4508 CERAMIC 0.1U K C7215 303 298 9612 CERAMIC 0.1U K 304 095 0502 CERAMIC 0.1U K 304 103 4508 CERAMIC 0.1U K C5543 303 298 9612 CERAMIC 0.1U K...
  • Page 21 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 304 103 4508 CERAMIC 0.1U K 304 090 1108 CERAMIC 1000P K 304 095 0502 CERAMIC 0.1U K C7284 304 103 2405 CERAMIC 1000P K C7252 303 403 0718 ELECT 220U M...
  • Page 22 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 304 103 4508 CERAMIC 0.1U K 304 095 0502 CERAMIC 0.1U K 304 095 0502 CERAMIC 0.1U K C7366 303 383 1316 ELECT 10U M C7324 303 298 9612 CERAMIC 0.1U K...
  • Page 23 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description C7522 303 386 0910 ELECT 100U M C763 303 298 9612 CERAMIC 0.1U K 303 312 8515 ELECT 100U M 304 103 4508 CERAMIC 0.1U K C7524 303 298 9612 CERAMIC...
  • Page 24 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R1002 301 150 5819 MT-GLAZE 100K JA 1/10W R1508 301 162 3711 MT-GLAZE 4.7K JA 1/10W R1003 301 256 0411 MT-GLAZE 12K JA 1/10W R1509 301 162 3711 MT-GLAZE 4.7K JA 1/10W R1004...
  • Page 25 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R716 301 162 3711 MT-GLAZE 4.7K JA 1/10W R7266 301 255 8715 MT-GLAZE 22 JA 1/10W R717 301 150 6014 MT-GLAZE 0.000 ZA 1/10W R7267 301 255 8715 MT-GLAZE 22 JA 1/10W R718...
  • Page 26 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R7376 301 150 6014 MT-GLAZE 0.000 ZA 1/10W R7605 301 150 6014 MT-GLAZE 0.000 ZA 1/10W R7377 301 150 5918 MT-GLAZE 10K JA 1/10W R7606 301 150 6014 MT-GLAZE 0.000 ZA 1/10W R7378 301 255 6513...
  • Page 27 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R8030 301 150 6014 MT-GLAZE 0.000 ZA 1/10W L8001 301 150 6014 MT-GLAZE 0.000 ZA 1/10W R8031 301 150 5918 MT-GLAZE 10K JA 1/10W L8002 301 150 6014 MT-GLAZE 0.000 ZA 1/10W R8040 301 150 6014...
  • Page 28 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description D705 307 163 0414 DIODE 1SS352-(TPH3) R1903 301 256 0114 MT-GLAZE 8.2K JA 1/10W 307 149 0810 DIODE 1SS355-TE-17 R1904 301 256 7212 MT-GLAZE 18K JA 1/10W 408 062 7201 DIODE 1SS35 R1905...
  • Page 29 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R1945 301 150 5918 MT-GLAZE 10K JA 1/10W 305 173 9618 TR 2SA1235A1E R1951 301 162 3018 MT-GLAZE 22K JA 1/10W 305 173 9717 TR 2SA1235A1F R1952 301 150 6014 MT-GLAZE 0.000 ZA 1/10W...
  • Page 30 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description C608H2 655 001 8410 EYELET 304 106 4208 ELECT 1000U M C611 304 104 4903 CERAMIC 0.1U K C664 304 104 4903 CERAMIC 0.1U K 304 091 2609 CERAMIC 0.1U K 304 091 2609...
  • Page 31 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 304 091 2609 CERAMIC 0.1U K 402 117 2609 OXIDE-MT 0.15 JA C694 303 370 1510 CERAMIC 0.1U K 302 109 9008 OXIDE-MT 0.15JA 304 091 2609 CERAMIC 0.1U K R623...
  • Page 32 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R683 301 150 6113 MT-GLAZE 2.2K JA 1/10W D1606 408 065 7802 DIODE EU1 R684 301 058 1814 OXIDE-MT 10 JA D1607 308 061 8806 DIODE EG01C 402 119 6407 OXIDE-MT 10JA...
  • Page 33 652 002 8197 REMOCON,JXPYF 610 345 0902 DEC IND RC-N6WM *04* 610 339 8365 RC-BATTERY LID-JXPYC 610 340 5520 BADGE SANYO N5YV 411 124 9402 SCR PAN+SW+W 4X16 610 342 5122 DEC CONTROL SHEET-N6VV 411 189 9508 SCR PAN+SW+W 6X18 SCREWS -CABINET-...
  • Page 34 PCB ASSEMBLE...
  • Page 35 PCB ASSEMBLE...
  • Page 36: Printed Wiring Board

    Printed Wiring Board MAIN BOARD (Solder Side)
  • Page 37 Printed Wiring Board MAIN BOARD (Part Side) R120 R110 Q101 R120 R110 Q101 R7632 C102 R119 R7632 C102 R119 R109 R109 R106 R106 R108 R108 C024 C024 R111 R111 C025 C025 R7631 TPAGC R7631 TPAGC R118 R118 R107 R107 R021 R021 R020 R020...
  • Page 38 Printed Wiring Board POWER BOARD (Solder Side) R1685 C1689 Q1907 R1942 R1956 Q1904 R1950 R1957 R1949 R1953 R1952 Q1906 R1941 R1944 R1955 R1951 C1940 R1945 R1946 Q1908 R1947 R1923 SC1904 C1922 R1922 R1920 R1921 SC1903 R1926 C1920 R1925 R1924 SC1902...
  • Page 39 Printed Wiring Board POWER BOARD (Part Side) SW1900 SW1901 SW1902 SW1903 SW1904 SW1905 SW1906 K1900 K1901 A30C5 1AA4B10S052AB *** ??? J703 J704 J702 C601H2 C604H2 C605H2 L601 L601H2 L601H1 L603H1 L603H2 L602H1 L602H4 L604H3 L604H4 T5AL250V JP604 JP606 L611 JP601 F601A F601 F601B...
  • Page 40 Schematic Diagram 7.5MM...
  • Page 41 Schematic Diagram...

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