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SERVICE MANUAL LCD Television
Contents
Safety Notice............................................... 
Specifi cations.............................................. 3
Chassis Block Diagrams.......................... 4-5
On-screen Service Menu
Service
Adjustments.................................. 16
Mechanical
Disassembly...................... 17-0
Cabinet Parts
List...................................... 1
Chassis Electrical Parts List................. -31
Printed Wiring Board............................ 3-36
Schematic Diagram.............................. 37-39
Z5JY
................................. 6-10
System......... 11-15
NOBLEX
FILE NO.
Model No. 4LC87H
Service Ref.No. 4LC87H-00
Product Code: 1-130-59-18
Original Version
Chassis Series: UE7-M
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 specifi cations. Refer
to the specifi cation table.
REFERENCE NO.
(Argentina)

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Summary of Contents for Noblex 24LC827H

  • Page 1 NOBLEX FILE NO. SERVICE MANUAL LCD Television Model No. 4LC87H (Argentina) Service Ref.No. 4LC87H-00 Product Code: 1-130-59-18 Contents Original Version Safety Notice.......... Specifi cations..........3 Chassis Series: UE7-M Chassis Block Diagrams......4-5 IC Block Diagrams ......... 6-10 On-screen Service Menu System..
  • 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. :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: Specifi Cations

    Specifications Power Source AC 110 - 40 Volts, 50/60 Hz Receiving System PAL-N, PAL-M, NTSC3.58 Channel Coverage ANTENNA mode VHF: CH0 - CH13 UHF: CH14 - CH69 CATV mode VHF band: CH01-CH13 MID band: CH14-CH SUPER band: CH3-CH36 HYPER band: CH37-CH64 ULTRA band: CH65-CH94 and CH100-CH15 Low MID band: CH95-CH99 Aerial Input Impedance...
  • Page 4: Chassis Block Diagrams

    Chassis Block Diagrams MAIN SIGNAL PROCESSING CIRCUIT...
  • Page 5 Chassis Block Diagrams POWER SUPPLY IC 1.3A 12V FOR AUDIO AMP 13V (1.3A) 100mA +13VA FOR MONITOR OUT 100mA DC/DC 33V FOR TUNER (0.3A) 100mA +12V 5VT FOR TUNER 900mA CMOS SW 5VP FOR PANEL ON-PANEL (MAIN) 600mA 1.26VA 3.3V_2 600mA AVDD_AU &...
  • Page 6: Ic Block Diagrams

    IC Block Diagrams (On the ASSY, PWB, MAIN) IC700 MST740KU MST740KU C158 C158 CL=20pf of XTAL 27pF 27pF R166 R166 C159 C159 14.318MHZ 14.318MHZ R167 R167 200R 200R 27pF 27pF AVDDA VDDC VDDP HWRESET SCL_HD RLV0P RXO0- DDCD_SCL RLV0P/LVA0P RXO0- SDA_HD RP22X4 RP22X4...
  • Page 7 EN25F80 IC Block Diagrams EN25F80 Figure.1 CONNECTION DIAGRAMS Figure.1 CONNECTION DIAGRAMS IC8000 �XXAAJ�135-- �XXAAJ�135-- 8 - LEAD SOP / PDIP 8 - CONTACT VDFN 8 - LEAD SOP / PDIP 8 - CONTACT VDFN Figure 2. BLOCK DIAGRAM Figure 2. BLOCK DIAGRAM This Data Sheet may be revised by subsequent versions ©2004 Eon Silicon Solution, Inc., www.eonssi.com...
  • Page 8 IC Block Diagrams IC8001 �XXAVC951---P...
  • Page 9 IC Block Diagrams IC750 �LM1085R-3.3P IC7504 �LM1117S-ADJP...
  • Page 10 IC Block Diagrams IC001 �TPA1517DWPRP -10-...
  • Page 11: On-Screen Service Menu System

    On-screen Service Menu System General This set has an On-screen Service Menu System included in the CPU that allows remote operation for most of the service adjustments. On-screen Service Menu System �uick operation is needed to enter Service Mode. ■ How to enter the Service Menu 1.
  • Page 12 On-screen Service Menu System ■ Service Adjustment Data Table Item Name Initial Data Description 575i SUB-CONT MST740KU 575i SUB-BRIGHT MST740KU DVD Input 575i SUB-COLOR MST740KU Input Video Format: 575i 575i SUB-TINT MST740KU (Different Value) 575i SUB-SHARP MST740KU 575p SUB-CONT MST740KU 575p SUB-BRIGHT MST740KU DVD Input...
  • Page 13 On-screen Service Menu System Item Name Initial Data Description PC SUB-SHARP MST740KU DVI SUB-CONT MST740KU DVI SUB-BRIGHT MST740KU DVI SUB-COLOR MST740KU DVI Input DVI SUB-TINT MST740KU (Different Value) DVI SUB-SHARP MST740KU AV-PAL-N BASE-CONT MST740KU AV-PAL-N BASE-BRIGHT MST740KU AV-PAL-N BASE-COLOR MST740KU Input Alteration: VIDEO(PALN) AV-PAL-N BASE-TINT MST740KU...
  • Page 14 On-screen Service Menu System Item Name Initial Data Description Black-575p G MST740KU Black-575p B MST740KU White-480i R MST740KU White-480i G MST740KU White-480i B MST740KU DVD Input: 480i Black-480i R MST740KU (Different Value) Black-480i G MST740KU Black-480i B MST740KU White-480p R MST740KU White-480p G MST740KU...
  • Page 15 On-screen Service Menu System Item Name Initial Data Description White-DVI R MST740KU White-DVI G MST740KU White-DVI B MST740KU DVI Input Black-DVI R MST740KU (Different Value) Black-DVI G MST740KU Black-DVI B MST740KU White-AV-PALM R MST740KU White-AV-PALM G MST740KU White-AV-PALM B MST740KU VIDEO Input→PALM Black-AV-PALM R MST740KU...
  • Page 16: 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 (IC8000) through the IIC Bus Data Line in the chassis, and those adjustment data are memorized the memory IC (IC700).
  • Page 17: Mechanical Disassembly

    [ Disassembly Diagram ] MOUNTING HANGER HOLDER CHASIS BASE CABINET FRONT PANEL POWER BOARD CABINET BACK MAIN BOARD BUTTON UNITED DEC CONRTOL SHEET SPECIAL POWER MOUNTING HANGER BADGE NOBLEX HOLDER SCREW SPEAKER DEC IND RC STAND BASE DEC CONCTORLER BOARD -17-...
  • Page 18 Mechanical Disassembly 1. STAND Removal 1. Remove 4 screws and remove the STAND. STAND 2. CABINET BACK Removal 1. Remove 9 screws and take the CABINET BACK off. -18-...
  • Page 19 Mechanical Disassembly 3. ASSY, PWB, POWER Board and ASSY, PWB, MAIN Board Removal 1. Remove 4 screws and take ASSY, PWB, POWER off. 2. Remove 7 screws and take ASSY, PWB, MAIN off. ASSY, PWB, POWER ASSY, PWB, MAIN 4. DEC IND RC Board、SPEARKE、BUTTON UNITED and HOLDER CHASIS Removal 1.
  • Page 20 Mechanical Disassembly 5. SPECIAL POWER HOLDER SCREW and PANEL Removal 1. Take off the 4 SPECIAL POWER HOLDER SCREWS. 2. Take the PANEL off. PANEL SPECIAL POWER HOLDER SCREW 6. MOUNTING HANGER Removal 1. Press down the spring wall and drag out the MOUNTING HANGER at the same time. Spring wall -0-...
  • Page 21: 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 22: 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 �00 305 134 598 TR SA1037AK-T146-R 305 147 18 TR SA1037AK-S-T146 A1001 655 004 4679 ASSY,PWB,MAIN Z5JW 305 173 9618...
  • Page 23 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description �700 305 134 598 TR SA1037AK-T146-R 305 014 4611 TR SC41K T146 S 305 147 18 TR SA1037AK-S-T146 305 015 877 TR SC81-L6-TB 305 173 9618 TR SA135A1E 305 015 895 TR SC81-L7-TB...
  • Page 24 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 304 091 609 CERAMIC 0.1U K C1053 303 56 5014 CERAMIC 560P J C005 303 384 1414 ELECT 47U M 304 103 7103 CERAMIC 560P J 303 31 8416 ELECT 47U M...
  • Page 25 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 304 103 4508 CERAMIC 0.1U K C73 303 33 8818 CERAMIC .U Z 304 095 050 CERAMIC 0.1U K C74 303 33 8818 CERAMIC .U Z C711 403 455 1616 CERAMIC...
  • Page 26 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description 304 103 405 CERAMIC 1000P K 50V 304 104 7904 CERAMIC P J 304 090 1108 CERAMIC 1000P K 50V 304 094 7601 CERAMIC P J C751 303 113 3818 CERAMIC...
  • Page 27 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description C7801 303 98 961 CERAMIC 0.1U K R1008 301 56 0411 MT-GLAZE 1K JA 1/10W 304 103 4508 CERAMIC 0.1U K R1009 301 150 5918 MT-GLAZE 10K JA 1/10W 304 095 050...
  • Page 28 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R1509 301 150 6113 MT-GLAZE .K JA 1/10W R716 301 56 0718 MT-GLAZE 33 JA 1/10W R1510 301 56 71 MT-GLAZE 75 JA 1/10W R717 301 56 0718 MT-GLAZE 33 JA 1/10W...
  • Page 29 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description R784 301 150 5918 MT-GLAZE 10K JA 1/10W R8087 301 150 61 MT-GLAZE 1K JA 1/10W R786 301 150 5918 MT-GLAZE 10K JA 1/10W R8088 301 150 6014 MT-GLAZE 0.000 ZA 1/10W R787...
  • Page 30 Chassis Electrical Parts List Key No. Part No. Description Key No. Part No. Description D015 307 163 0414 DIODE 1SS35-(TPH3) MISCELLANEOUS 307 149 0810 DIODE 1SS355-TE-17 A101 65 003 0701 TUNERU/V 408 06 701 DIODE 1SS355 K1004 65 003 60 JACK,PHONE D3.6 408 066 0000 DIODE L1SS355T1G...
  • Page 31: Chassis Electrical Parts List

    CX01H1 655 001 8410 EYELET *03* 610 35 869 STAND BASE-N8WY CX01H 655 001 8410 EYELET 610 354 810 BADGE NOBLEX-Z5HY CX0H1 655 001 8410 EYELET 610 355 3757 BUTTON UNITED-Z5JW CX0H 655 001 8410 EYELET 610 354 834 CABINET FRONT-Z5JY...
  • Page 32: Printed Wiring Board

    Printed Wiring Board MAIN BOARD (Solder Side) SC06 1LG4B10Y0840A_A ??? *** C403 K800 X10 R7803 SC07 A30C5 R780 R00 K1501 R001 K150 C003 K100 SW1956 A101 K1001 K1003 SW1955 SW1954 SW1953 SW195 K1005 SW1951 K1004 -3-...
  • Page 33 Printed Wiring Board MAIN BOARD (Part Side) -33-...
  • Page 34 Printed Wiring Board POWER BOARD (Solder Side) -34-...
  • Page 35 Printed Wiring Board POWER BOARD (Part Side) -35-...
  • Page 36: Printed Wiring Board............................ 3

    Printed Wiring Board RC+LED BOARD (Solder Side) U1901 RC+LED BOARD (Part Side) SC006 1LG4B10Y0840B_A *** ??? Reflow-Side R19 D190 SC1904 A30C5 U1901 C19 -36-...
  • Page 37: Schematic Diagram

    Schematic Diagram POWER BOARD (1) -37-...
  • Page 38 Schematic Diagram POWER BOARD () -38-...
  • Page 39 Schematic Diagram RC+LED BOARD SC1904 POWER U1901 GREEN U20C11701 D1902 SPR-39MVWF C1922 KK1000GQ SC1903 R1922 C1924 R1921 1/10GJ100C 1/10GJ220C C1921 C1925 6.3KK10MB R1920 1/10GJ220C C1920 6.3KK10MB SC005 8 9 10 11 12 13 14 K1900 SCREW J10EG055G SC006 8 9 10 11 12 13 14 -39-...
  • Page 40 NOBLEX Mar. 011...
  • Page 41 N: Metalized carbon SERVICE mark. 7. Parts specified with "X" are not installed in this model. Kind (M.carbon) S: Oxied metalized 24LC827H-00 8. Parts specified with "J" are just jumper wires. REF. NO. Rated wattage (1/2W) W: Wire wounding C: Solid...

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