Magnavox 19MF330B - Manual de servicio

LCD TVchassis FL10.0SERVICE MANUALContents19” LC190EM1 EMERSON (Serial No. : DS1A)19” LC190EM1 EMERSON (Serial No. : DS3A)19” LC190EM1 EMERSON (Serial

3-2 TVN_SN3. The flat pack-IC on the CBA is affixed with glue, so be careful not to break or damage the foil of each pin or the solder lands under the

20100625 14-19 A01NDCAPARTS LIST [ LC190SL1 (Serial No. : TH2A) ]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteri

20100625 14-20 A01NDELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

20100325 14-21 A01N1CAPARTS LIST [LC190SS1]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to saf

20100325 14-22 A01N1ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

15-1 FL10.0REVREVISION HISTORYChassis FL10.0• 2010-03-10 LC190EM1 (Serial No. : DS1A) added• 2010-03-18 LC190SL1 (Serial No. : DS1A) added• 2010-04-08

3-3 TVN_SNWith Iron Wire:1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder flux which is applied to

3-4 TVN_SNInstructions for Handling Semi-conductorsElectrostatic breakdown of the semi-conductors may occur due to a potential difference caused by el

4-1 FL10.0DC CABINET DISASSEMBLY INSTRUCTIONS[LC190EM1, 19MF330B/F7 (Serial No. : DS1A, DS3A), LC190SS1, LC190SL1 (Serial No. : DS1A, DS2A, TH1A)]1. D

4-2 FL10.0DC[2] Rear Cabinet(S-1)[1] Stand Assembly(S-2)(S-2)(S-4)(S-4)(S-2)(S-2)(S-3)(S-2)(S-3A)Fig. D1

4-3 FL10.0DC(S-5)(S-11)(S-9)(S-10)(S-10)[6] Jack CBA[4] Digital Main CBA Unit[8] Stand Holder[7] Main CBA[9] LCD Module Assembly[14] Junction-A CBA[1

4-4 FL10.0DCTV Cable Wiring DiagramMain CBAJack CBACN201CN1001CN1002CN3902CN3702CN3701Digital Main CBA UnitCN102CN101CN101BCL101CN702AC CORDCN302CN701

4-5 A01NDDC CABINET DISASSEMBLY INSTRUCTIONS[LC190SL1 (Serial No. : TH2A)]1. Disassembly FlowchartThis flowchart indicates the disassembly steps for t

4-6 A01NDDC[2] Rear Cabinet(S-1)[1] Stand Assembly(S-2)(S-2)(S-4)(S-4)(S-2)(S-2)(S-3)(S-2)(S-3A)Fig. D1

4-7 A01NDDC(S-5)(S-11)(S-9)(S-10)(S-10)[6] Jack CBA[4] Digital Main CBA Unit[8] Stand Holder[7] Main CBA[9] LCD Module Assembly[12] Function CBA[13] F

IMPORTANT SAFETY NOTICEProper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommend

4-8 A01NDDCTV Cable Wiring DiagramMain CBAJack CBACN201CN1001CN1002CN3902CN3702CN3701Digital Main CBA UnitCN102CN101BCN702AC CORDCN302CN701CN301Functi

5-1 FL10.3EAELECTRICAL ADJUSTMENT INSTRUCTIONSGeneral Note: “CBA” is abbreviation for “Circuit Board Assembly.”Note: Electrical adjustments are requir

5-2 LC8NEA1. Purity Check ModeThis mode cycles through full-screen displays of red, green, blue, and white to check for non-active pixels.1. Enter the

5-3 LC8NEAThe White Balance Adjustment should be performed when replacing the LCD Panel or Digital Main CBA.3. White Balance AdjustmentPurpose: To mix

6-1 PL10.3INTHOW TO INITIALIZE THE LCD TVThe purpose of initialization is to place the set in a new out of box condition. The customer will be prompte

7-1 FL10.0FWFIRMWARE RENEWAL MODEEquipment Requireda. USB storage deviceb. Remote Control UnitFirmware Update ProcedureNote: There are two states (th

8-1 FL10.0TRTROUBLESHOOTING[ Power Supply Section ] The power cannot be turned on. The fuse blows out.FLOW CHART NO.1FLOW CHART NO.2Is normal state re

8-2 FL10.0TRCheck Q202, Q203, D203, P-ON-H1 line and their periphery circuit, and service it if defective.PANEL+24.5V is not output.FLOW CHART NO.6Is

8-3 FL10.0TRSee FLOW CHART No.8TUNER+5V is not output. (PANEL+13V is outputted normally.)FLOW CHART NO.10Is approximately +6.7V voltage supplied to th

8-4 FL10.0TRIs approximately +5V voltage supplied to Pin(1) of IC631?Ye sNoCheck Q634, D650 and their periphery circuit, andservice it if defective.Se

TABLE OF CONTENTSSpecifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-5 FL10.0TR[ Video Signal Section ]NoIs the "L" pulse sent out Pin(1) terminal of remote control receiver (RS101) when the infrared remote

8-6 FL10.0TRPicture does not appear normally.(S-Video input)FLOW CHART NO.5Are the video signal outputted to Pin(6, 8) of CN302?Check the line between

8-7 FL10.0TR[ Audio Signal Section ]Check SP861,SP862 and their periphery circuit,and service it if defective.Are the audio(L/R) signals inputted to P

8-8 FL10.0TRCheck SP861,SP862 and their periphery circuit,and service it if defective.Are the audio(L/R) signals inputted to Pin(1, 9)of IC801?Ye sYe

8-9 FL10.0TRCheck SP861,SP862 and their periphery circuit,and service it if defective.Are the audio(L/R) signals inputted to Pin(1, 9)of IC801?Ye sYe

9-1BLOCK DIAGRAMSSystem Control Block DiagramFL10.0BLSMAIN CBACN302CN302TO INVERTERBLOCK DIAGRAMTO POWER SUPPLY BLOCK DIAGRAMPROTECT2PROTECT1P-ON-H2P-

9-2FL10.0BLS_FJSystem Control Block Diagram [LC190EM1(Serial No.:DS4A)]MAIN CBACN302CN302TO INVERTERBLOCK DIAGRAMTO POWER SUPPLY BLOCK DIAGRAMPROTECT2

9-3FL10.0BLS_THSystem Control Block Diagram [LC190SL1(Serial No.:TH2A)]MAIN CBACN302CN302TO INVERTERBLOCK DIAGRAMTO POWER SUPPLY BLOCK DIAGRAMPROTECT

9-4 FL10.0BLVVideo Block DiagramDIGITAL MAIN CBA UNITCOMPONENT-Y-INCOMPONENT-Pb-INCOMPONENT-Pr-INJK731JK732JK733VIDEO-IN4 4S-VIDEO-C-IN6 6S-VIDEO-Y-IN

9-5 FL10.0BLV_FJVideo Block Diagram [LC190EM1(Serial No.:DS4A)]DIGITAL MAIN CBA UNITCOMPONENT-Y-INCOMPONENT-Pb-INCOMPONENT-Pr-INJK731JK732JK733VIDEO-I

1-1 FL10.0SPSPECIFICATIONS< TUNER / NTSC >ANT. Input ---------------------- 75 Ω Unbal., F type< TUNER / ATSC >< LCD PANEL >< VID

9-6Audio Block DiagramFL10.0BLAIC771(AUDIO SELECTOR)HDMI-AUDIO(L)-INHDMI-AUDIO(R)-INJK721JK722COMPONENT-AUDIO(L)-INCOMPONENT-AUDIO(R)-INJK741JK742PC-A

9-7FL10.0BLA_FJAudio Block Diagram [LC190EM1(Serial No.:DS4A)]IC771(AUDIO SELECTOR)HDMI-AUDIO(L)-INHDMI-AUDIO(R)-INJK721JK722COMPONENT-AUDIO(L)-INCOMP

9-8FL10.0BLA_THAudio Block Diagram [LC190SL1(Serial No.:TH2A)]IC771(AUDIO SELECTOR)HDMI-AUDIO(L)-INHDMI-AUDIO(R)-INJK721JK722COMPONENT-AUDIO(L)-INCOMP

9-9Digital Signal Process Block DiagramFL10.0BLDDIGITAL MAIN CBA UNITIC3301 (DIGITAL SIGNAL PROCESS)IC3702 (HDMI SW)LCD MODULEASSEMBLYCN3902LLV1(+)21L

9-10Digital Signal Process Block Diagram [LC190EM1(Serial No.:DS4A)]FL10.0BLD_FJDIGITAL MAIN CBA UNITIC3005 (DIGITAL SIGNAL PROCESS)LCD MODULEASSEMBLY

9-11Inverter Block DiagramFL10.0BLINVMAIN CBAPROTECT3BACKLIGHT-ADJBACKLIGHT-SWTO SYSTEMCONTROLBLOCK DIAGRAMIC1001(PWM CONTROL)BACKLIGHT12CN1002Q1001,

9-12Power Supply Block DiagramFL10.0BLPHOT COLDMAIN CBAHOT CIRCUIT. BE CAREFUL.Q602SWITCHINGCONTROL143 2IC601T6012LINEFILTERL601AC601AC CORDBRIDGERECT

10-1 FL10.0SCSCHEMATIC DIAGRAMS / CBA AND TEST POINTSStandard NotesWARNINGMany electrical and mechanical parts in this chassis have special characteri

10-2 FL10.0SCLIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES:1. CAUTION:CAUTION: FOR CONTINUED PROTECTION AG

10-3FL10.0SCM1Main 1 Schematic Diagram

2-1 LTVN_ISPIMPORTANT SAFETY PRECAUTIONSPrior to shipment from the factory, our products are strictly inspected for recognized product safety and elec

10-4FL10.0SCM2Main 2 Schematic Diagram

10-5FL10.0SCM3Main 3 & Junction-B Schematic Diagram

10-6FL10.0SCM4Main 4 Schematic DiagramNOTE:The voltage for parts in hot circuit is measured using hot GND as a common terminal.For continued protectio

10-7FL10.0SCINVJack& Junction-C Schematic Diagram

10-8FL10.0SCFFunction & Junction-A Schematic Diagram

10-9FL10.0SCD1Digital Main 1 Schematic Diagram [LC190EM1(Serial No.: DS1A,DS3A,TH1A), 19MF330B/F7, LC190SL1, LC190SS1]The order of pins shown in this

10-10FL10.0SCD2Digital Main 2 Schematic Diagram [LC190EM1(Serial No.: DS1A,DS3A,TH1A), 19MF330B/F7, LC190SL1, LC190SS1]The order of pins shown in this

10-11FL10.0SCD3Digital Main 3 Schematic Diagram [LC190EM1(Serial No.: DS1A,DS3A,TH1A), 19MF330B/F7, LC190SL1, LC190SS1]The order of pins shown in this

10-12FL10.0SCD4Digital Main 4 Schematic Diagram [LC190EM1(Serial No.: DS1A,DS3A,TH1A), 19MF330B/F7, LC190SL1, LC190SS1]The order of pins shown in this

10-13FL10.0SCD5Digital Main 5 Schematic Diagram [LC190EM1(Serial No.: DS1A,DS3A,TH1A), 19MF330B/F7, LC190SL1, LC190SS1]The order of pins shown in this

2-2 LTVN_ISP3. Design Alteration Warning - Do not alter or add to the mechanical or electrical design of this TV receiver. Design alterations and addi

10-14Digital Main 6 Schematic Diagram [LC190EM1(Serial No.: DS1A,DS3A,TH1A), 19MF330B/F7, LC190SL1, LC190SS1]FL10.0SCD6The order of pins shown in this

10-15FL10.0_2SCD1Digital Main 1 Schematic Diagram [LC190EM1(Serial No.:DS4A)]The order of pins shown in this diagram is different from that of actual

10-16FL10.0_2SCD2Digital Main 2 Schematic Diagram [LC190EM1(Serial No.:DS4A)]The order of pins shown in this diagram is different from that of actual

10-17Digital Main 3 Schematic Diagram [LC190EM1(Serial No.:DS4A)]The order of pins shown in this diagram is different from that of actual IC3005. IC30

10-18FL10.0_2SCD4Digital Main 4 Schematic Diagram [LC190EM1(Serial No.:DS4A)]The order of pins shown in this diagram is different from that of actual

10-19FL10.0_2SCD5Digital Main 5 Schematic Diagram [LC190EM1(Serial No.:DS4A)]The order of pins shown in this diagram is different from that of actual

10-20FL10.0_2SCD6Digital Main 6 Schematic Diagram [LC190EM1(Serial No.:DS4A)]The order of pins shown in this diagram is different from that of actual

10-21GNDQ905D646R927R634J042J052GNDJ047GNDCDQ631D656C6451GNDGNDR1111J201C1001C1007Q1003C1009Q1009C1010C1013Q1014Q1015Q1019J223J225D1001D1004Q1025D1005

10-22PROTECT2GNDGNDGNDALL+3.3VLED1RCV-INP-ON+3.3VP-ON+5.0V3.5Vfor1.8V6.7Vfor1.0VGNDGNDGNDGNDGNDAMP-R-HPSP-GNDAMP-L-HPRIPPLE REJECTIONTU+5.0VGNDALL+3.3

10-23PCB STUDF6014A/125VQ1024REPLACE FUSE AS MARKEDRISK OF FIRE-HOTCOLDTM601TM602BA01NDF0101 2COLDHOTCOLDHOTTOOL NO.A B C D E F G H I JC7A3 A3E234498A

2-3 LTVN_ISPPrecautions during ServicingA. Parts identified by the # symbol are critical for safety.Replace only with part number specified.B. In addi

10-24GNDGNDDIF +DIF -GNDKEY-IN1P-ON-H1AMP-LAMP-RPROTECT1LED1ALL+3.3VRCV-INP-ON+3.3VP-ON-H2DVD-PbDVD-YPROTECT26.7Vfor1.0VP-ON+5.0VGNDGNDGNDALL+3.3VLED1

10-25PbPbPbCN101CN101A/GREEN/RED/ORANGETOOL NO.1 2 3 4 5 6 7 8 9 10BA94N0F0102 2 ALC7 19/22W BASEBA94N0F0102 2 BC7A3 A31229281124C7A3 A3BA94N0F0102 2P

10-26BA94N0F01022POWERSW109SW951PLAYSTOPSW952SW953EJECTSW105VOL.UPSW104VOL.DOWNMENUSW106SW108SW107CH.UPCH.DOWNRS101D104D103ST.BYPOW.D950DVDD951SW955SW

10-27PbPbPbCN101CN101A/GREEN/RED/ORANGETOOL NO.A B C D E F G H I JBA01NDF0102 2 A122928/YELLOW/WHITE/RED/RED/ORANGE/GREEN/BLUE/WHITE/RED/RED/WHITE1124

10-28BA01NDF01022CN861BCL861CN862BCL862L851L852L853L854JK851R851R852J801J802J804J805J806J807J808J810J812J813J814JK711J815J816J817J818J819Q771Q722Q773J

WAVEFORMSLC8NWF11-1Input: NTSC Color Bar Signal (with 1kHz Audio Signal)WF1 ~ WF7 = Waveforms to be observed atWaveform check points.(Shown in Schema

FL10.0WI12-1TUNER UNITMAIN CBADIGITAL MAIN CBA UNITHDMI-CONNECTOR-1PC-RGB-INHDMI-CONNECTOR-2LCD MODULEASSEMBLYBACKLIGHTCN100121BACKLIGHTCN100221JACK C

FL10.0WI_THTUNER UNITMAIN CBADIGITAL MAIN CBA UNITHDMI-CONNECTOR-1PC-RGB-INHDMI-CONNECTOR-2LCD MODULEASSEMBLYBACKLIGHTCN100121BACKLIGHTCN100221JACK CB

13-1 FL10.0CEXEXPLODED VIEWSCabinet [LC190EM1, 19MF330B/F7, LC190SL1 (Serial No. : DS1A, DS2A, TH1A), LC190SS1] B4B44L17L4L1L1L1L1L1L1L9A1A5A3L1L8L8B

13-2 A01NDCEXCabinet [LC190SL1 (Serial No. : TH2A)] B4B44L17L4L1L1L1L1L1L1L9A1A5A3L1L8L8B8B8CL862CL861B2B14B13L3L13L3L3L3L3L3L2L2B3B3A4A9L12L12B7B7A6

2-4 LTVN_ISPSafety Check after ServicingExamine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and

13-3 FL10.0PEXPackingS3S1Ta p ePacking TapePacking TapeS2S3X1Some Ref. Numbers are not in sequence.L17X2S4X8 X6S6S5StandAssemblyX4X3FRONTFRONTTa p e

20100224 14-1 A01N4CAPARTS LIST [ LC190EM1 (Serial No. : DS1A) ]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteris

20100224 14-2 A01N4ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

20100224 14-3 A01N4ELC1007 CAP CERAMIC (AX) 2200pF/50V/B/K CA1J222TU061C1008 CAP CERAMIC HV 10pF/6.3KV/SL/J CCA1000MR001C1009 ELECTROLYTIC CAP. 10µF/5

20100224 14-4 A01N4ELD1013 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133D1014 SWITCHING DIODE 1SS133(T-77) QDTZ001SS133D1015 SWITCHING DIODE 1SS133(T-77)

20100224 14-5 A01N4ELR302 CHIP RES.(1608) 1/10W 0 Ω RRXAZR5Z0000R303 CHIP RES.(1608) 1/10W 0 Ω RRXAZR5Z0000R304 CHIP RES. 1/10W J 56 Ω RRXAJR5Z0560R30

20100224 14-6 A01N4ELJACK ASSEMBLYJACK CBAR1018 CHIP RES. 1/10W J 390 Ω RRXAJR5Z0391R1019 CHIP RES. 1/10W J 390 Ω RRXAJR5Z0391R1020 CHIP RES. 1/10W J

20100224 14-7 A01N4ELC731 CHIP CERAMIC CAP. CH J 39pF/50V CHD1JJ3CH390C732 CHIP CERAMIC CAP. CH J 39pF/50V CHD1JJ3CH390C733 CHIP CERAMIC CAP. CH J 39p

20100224 14-8 A01N4ELFUNCTION CBAJUNCTION-A CBAJUNCTION-B CBAJUNCTION-C CBAJK754 JACK SW RCA PCB L RCA-102F(RD) JYRL010YUQ05JK841 JACK RCA PCB S ORANG

20100506 14-9 A01N9CAPARTS LIST [LC190EM1 (Serial No. : DS3A)]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristi

3-1 TVN_SNSTANDARD NOTES FOR SERVICINGCircuit Board Indications1. The output pin of the 3 pin Regulator ICs is indicated as shown.2. For other ICs, pi

20100506 14-10 A01N9ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

20100401 14-11 A01N6CAPARTS LIST [ LC190EM1 (Serial No. : TH1A) ]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteri

20100401 14-12 A01N6ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

20100325 14-13 A01N0CAPARTS LIST [19MF330B/F7 (Serial No. : DS1A) ]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characte

20100325 14-14 A01N0ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

19MF330B/F7(A01NGUH)(Serial No.: DS3A)2010080219MF330B/F7(A01NGUH)(Serial No.: DS3A)Different parts from the original model LC190EM1(Serial No.: DS1A)

20100310 14-15 A01N3CAPARTS LIST [ LC190SL1 (Serial No. : DS1A) ]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteri

20100310 14-16 A01N3ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

20100327 14-17 A01N5CAPARTS LIST [ LC190SL1 (Serial No. : TH1A) ]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteri

20100327 14-18 A01N5ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing