Magnavox 40MF430B - Wartungshandbuch

LCD TVchassis FL10.5SERVICE MANUALContents40” 40MF430B/F7 MAGNAVOX (Serial No. : DS1A)40” 40MF430B/F7 MAGNAVOX (Serial No. : DS2A)40” LC407SS1 SYLVANI

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

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 FL10.5DC CABINET DISASSEMBLY INSTRUCTIONS[40MF430B/F7 (Serial No. : DS1A), LC407SS1 (Serial No. : DS1A, DS2A), LC407EM1]1. Disassembly FlowchartTh

4-2 FL10.5DCNote:(1) Order of steps in procedure. When reassembling, follow the steps in reverse order. These numbers are also used as the Identificat

4-3 FL10.5DC(S-7)(S-8)(S-7)[6] IR Sensor CBA[7] Function CBA[5] Junction-ACBA[3] Speaker Holder[3] Speaker Holder[4] Speaker[4] SpeakerFig. D2

4-4 FL10.5DC(S-10)(S-11)(S-12)[12] Jack Holder(D)[10] JackHolder(A)[9] Power Supply CBA[8] Junction-B CBA[13] Digital Main CBA Unit[11] Jack CBAShield

4-5 FL10.5DC(S-17)(S-18)(S-20)(S-20)(S-19)(S-21)(S-22)(S-15)(S-16)[15] AC InletHolder[17] PCB Holder(U) [17] PCB Holder(D)[14] Jack PCB Holder[16] Sta

4-6 FL10.5DCTV Cable Wiring DiagramCN3901Power Supply CBAJack CBAWH2151WH2154WH2152CN2151WH2153Digital Main CBA UnitJunction-BCBAJunction-ACBAFunction

4-7 FL10.5(A01PE_PFUH)DC CABINET DISASSEMBLY INSTRUCTIONS[40MF430B/F7 (Serial No. : DS2A), LC407SS1 (Serial No. : DS3A)]1. Disassembly FlowchartThis f

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

4-8 FL10.5(A01PE_PFUH)DCNote:(1) Order of steps in procedure. When reassembling, follow the steps in reverse order. These numbers are also used as the

4-9 FL10.5(A01PE_PFUH)DC(S-7)(S-8)(S-7)[5] IR Sensor CBA[6] Function CBA[3] Speaker Holder[3] Speaker Holder[4] Speaker[4] SpeakerFig. D2

4-10 FL10.5(A01PE_PFUH)DC(S-10)(S-11)(S-12)[10] Jack Holder(D)[8] JackHolder(A)[7] Power Supply CBA[11] Digital Main CBA Unit[9] Jack CBAShield Box (Z

4-11 FL10.5(A01PE_PFUH)DC(S-17)(S-18)(S-20)(S-20)(S-19)(S-21)(S-22)(S-15)(S-16)[13] AC InletHolder[15] PCB Holder(U) [15] PCB Holder(D)[12] Jack PCB H

4-12 FL10.5(A01PE_PFUH)DCTV Cable Wiring DiagramCN3901Power Supply CBAJack CBAWH2151WH2154WH2152Digital Main CBA UnitFunction CBAIR Sensor CBATo LCD M

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

5-2 FL10.5EAThe White Balance Adjustment should be performed when replacing the LCD Panel or Digital Main CBA.2. White Balance AdjustmentPurpose: To m

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 FL10.5FWFIRMWARE RENEWAL MODEEquipment Requireda. USB storage deviceb. Remote Control UnitFirmware Update ProcedureNote: There are two states (th

8-1 FL10.5TRTROUBLESHOOTING[ Power Supply Section ] The power cannot be turned on. The fuse blows out.FLOW CHART NO.1FLOW CHART NO.2Is normal state re

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

8-2 FL10.5TRCheck if there is any leak or short-circuit on the loaded circuit, and service it if defective. AL+4.3V is not output.FLOW CHART NO.5Is ap

8-3 FL10.5TRFLOW CHART NO.10P-ON+5V is not output.FLOW CHART NO.11Is approximately +8V voltage supplied to thecollector of Q652?Check C659, D662 and t

8-4 FL10.5TR[ Video Signal Section ]NoIs the "L" pulse sent out Pin(1) terminal of remote control receiver (RS2151) when the infrared remote

8-5 FL10.5TRReplace Digital Main CBA Unit or LCD Module Assembly.Is 5V voltage supplied to the Pin(2, 29, 33, 39, 44) of IC2701?Is 8V voltage supplied

8-6 FL10.5TR[ Audio Signal Section ]Check SP2801,SP2802 and their periphery circuit,and service it if defective.Are the audio(L/R) signals inputted to

8-7 FL10.5TRYes (Output to speakers)Ye s (Output to audiooutput terminal)FLOW CHART NO.2Audio is not outputted. (Tuner input) NoNoNoNoNoAre the DIF s

9-1AC18KEY SWITCHIC3301(MAIN MICRO CONTROLLER)DIGITAL MAIN CBA UNITIR SENSOR CBAFUNCTION CBAPOWER SUPPLY CBAJACK CBAWH2154REMOTESENSORRS2151AL+3.3VSTA

9-2AC18KEY SWITCHIC3301(MAIN MICRO CONTROLLER)DIGITAL MAIN CBA UNITIR SENSOR CBAFUNCTION CBAPOWER SUPPLY CBAJACK CBAWH2154REMOTESENSORRS2151AL+3.3VSTA

9-3 FL10.5BLVVideo Block DiagramIC2701 (INPUT SELECT)DIGITAL MAIN CBA UNITTO DIGITALSIGNAL PROCESSBLOCK DIAGRAMJK2703VIDEO-IN1COMPONENT-Y-INCOMPONENT-

9-4IC2701(INPUT SELECT)AUDIO(L)-IN1AUDIO(R)-IN1JK2704JK2705COMPONENTAUDIO(L)-INCOMPONENTAUDIO(R)-INHDMI-AUDIO(L)-INHDMI-AUDIO(R)-INJK2720JK2721JK2710J

1-1 FL10.5SPSPECIFICATIONS< TUNER / NTSC >ANT. Input ---------------------- 75 Ω Unbal., F type< TUNER / ATSC >< LCD PANEL >< VID

9-5Digital Signal Process Block DiagramFL10.5BLDLVDS-D4O(+)35LVDS-D4O(-)36DIGITAL MAIN CBA UNITIC3301 (DIGITAL SIGNAL PROCESS)LCD MODULEASSEMBLYCN3901

9-6 FL10.5BLP1Power Supply 1 Block DiagramCAUTION !Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse (

9-7FL10.5BLP2Power Supply 2 Block DiagramTUNER+35VAMP+24VHOT COLDPOWER SUPPLY CBAHOT CIRCUIT. BE CAREFUL.Q602SWITCHINGCONTROL143 2IC601T60173691016111

9-8FL10.5BLP3TUNER+35VAMP+24VHOT COLDPOWER SUPPLY CBAHOT CIRCUIT. BE CAREFUL.Q602SWITCHINGCONTROL143 2IC601T601736910161114151213152Q601SWITCHINGCN180

10-1 FL10.5SCSCHEMATIC DIAGRAMS / CBA AND TEST POINTSStandard NotesWARNINGMany electrical and mechanical parts in this chassis have special characteri

10-2 FL10.5SCLIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES:1. CAUTION:CAUTION: FOR CONTINUED PROTECTION AG

10-3FL10.5SCP1Power Supply 1 Schematic DiagramNOTE:The voltage for parts in hot circuit is measured using hot GND as a common terminal.For continued p

10-4FL10.5SCP2Power Supply 2 Schematic DiagramNOTE:The voltage for parts in hot circuit is measured using hot GND as a common terminal.

10-5FL10.5SCP3Power Supply 3 Schematic DiagramNOTE:The voltage for parts in hot circuit is measured using hot GND as a common terminal.

10-6FL10.5SCJ1Jack 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

10-7FL10.5SCJ2Jack 2 & Junction-B Schematic Diagram

10-8FL10.5SCFFunction Schematic Diagram

10-9FL10.5SCIRIR Sensor & Junction-A Schematic Diagram

10-10FL10.5SCD1Digital Main 1 Schematic DiagramThe order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into

10-11FL10.5SCD2Digital Main 2 Schematic DiagramThe order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into

10-12FL10.5SCD3Digital Main 3 Schematic DiagramThe order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into

10-13FL10.5SCD4Digital Main 4 Schematic DiagramThe order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into

10-14FL10.5SCD5Digital Main 5 Schematic DiagramThe order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into

10-1561CAUTION -RISK OF FIRE -REPLACE FUSE AS MARKEDTOOL NO.1 2345678910C7A3 A3GBA01P0F0103 346W-ONLYHOT-GNDJ1020HOT-GNDJ1022HOT-GNDJ1027C1702C1703D11

10-16HOT-GNDJ1020HOT-GNDJ1022HOT-GNDJ1027C1702C1703D1103C1704D1104Q1701Q1702C1706R607Q1703R608Q1704R609Q1705Q1706+12VJ1033Q1707Q1708J1035PWMCTRLJ1037R

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

10-17TOOL NO.1 2 3 4 5 6 7 8 9 10C7A3 A3BA01P0F0102 3 BC7A3A3POWERSTANBYBA01P0F0102 3ZGNDRCV-INALL+3.3VC7A3 A3POWERSTANBYBA01P0F0102 3ZGNDRCV-INALL+3.

10-18ABCE2D3ABCEDABCED145C2158SW2151VOL DOWNSW2152VOL UPSW2153MENUSW2154CH DOWNSW2155CH UPSW2156POWERD2152R2155R2156R2157R2158R2159R2160R2161WH215112C

10-19TOOL NO.1 2 3 4 5 6 7 8 9 10C7A3 A3BA01P0F0102 3 BC7A3A3POWERSTANBYBA01P0F0102 3ZGNDRCV-INALL+3.3VC7A3 A3POWERSTANBYBA01P0F0102 3ZGNDRCV-INALL+3.

10-20ABCE2D3ABCEDABCED145C2158SW2151VOL DOWNSW2152VOL UPSW2153MENUSW2154CH DOWNSW2155CH UPSW2156POWERD2152R2155R2156R2157R2158R2159R2160R2161WH215112C

WAVEFORMSFL10.5WF11-1Input: NTSC Color Bar Signal (with 1kHz Audio Signal)WF1 ~ WF4 = Waveforms to be observed at Waveform check points. (Shown

FL10.5WI12-1WIRING DIAGRAMCN160121AC601AC CORDAC INLETCL1914CL1601CL2101CN191411PROTECT310GND9GND14NU13BACKLIGHT-ADJ12BACKLIGHT-SW8GND7GND6GND5PANEL+

FL10.5WI_212-2CN160121AC601AC CORDAC INLETCL1914CL1601CL2101CN191411PROTECT310GND9GND14BACKLIGHT-ADJ13NU12BACKLIGHT-SW8GND7GND6GND5PANEL+24V4PANEL+24

13-1 FL10.5CEXEXPLODED VIEWSCabinet [40MF430B/F7 (Serial No. : DS1A), LC407SS1 (Serial No. : DS1A, DS2A), LC407EM1] A1L1A12L1L1L24See Electrical Part

13-2 FL10.5(A01PE/PFUH)CE XCabinet [40MF430B/F7 (Serial No. : DS2A), LC407SS1 (Serial No. : DS3A)] A1L1A12L1L1L24See Electrical Parts List for parts

13-2 FL10.5PEXPackingPP BandPacking TapePacking TapeX5S3S2Some Ref. Numbers are not in sequence.S5S6S7X4StandAssemblyX2 X6 X8 X7FRONTPacking TapePacki

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

20100327 14-1 A01PBCAPARTS LIST [40MF430B/F7]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to s

20100327 14-2 A01PBELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

20100327 14-3 A01PBELC1727 ELECTROLYTIC CAP. 3300µF/35V M CE1GMZNDL332C1731 CHIP CERAMIC CAP.(1608) B K 0.01µF/50V CHD1JK30B103C1732 CHIP CERAMIC CAP.

20100327 14-4 A01PBELR607 RES CARBON FILM T 1/4W J 180 Ω RCX4181T1001R608 RES CARBON FILM T 1/4W J 180 Ω RCX4181T1001R609# METAL OXIDE FILM RES. 2W J

20100327 14-5 A01PBELJACK ASSEMBLYJACK CBAR1731 CHIP RES. 1/10W J 2.7k Ω RRXAJR5Z0272R1732 RES CARBON FILM T 1/4W J 3.9k Ω RCX4392T1001R1734 CHIP RES.

20100327 14-6 A01PBELC2746 CHIP CERAMIC CAP.(1608) B K 2.2µF/10V CHD1AK30B225C2747 CHIP CERAMIC CAP.(1608) CH J 68pF/50V CHD1JJ3CH680C2748 CHIP CERAMI

20100327 14-7 A01PBELJUNCTION-B CBAR2655 RES. CARBON FILM J 1/2W J 1.0k Ω RCX2102T1003R2701 CHIP RES. 1/10W J 10k Ω RRXAJR5Z0103R2702 CHIP RES. 1/10W

20100327 14-8 A01PBELFUNCTION CBAIR SENSOR CBAJUNCTION-A CBARef. No. Description Part No.FUNCTION CBAConsists of the following:----------CAPACITORC215

20100413 14-9 A01PDCAPARTS LIST [LC407SS1 (Serial No. : DS2A)]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristi

20100413 14-10 A01PDELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

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

20100701 14-11 A01PFCAPARTS LIST [LC407SS1 (Serial No. : DS3A)]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characterist

20100701 14-12 A01PFELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

15-1 FL10.5REVREVISION HISTORYChassis FL10.5• 2010-04-20 40MF430B/F7 (Serial No. : DS1A) added• 2010-05-06 LC407SS1 (Serial No. : DS2A) added• 2010-07

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