Magnavox 26MF330B - Manuale di Servizio

LCD TVchassis FL10.2SERVICE MANUALContents26” LC260SS1 SYLVANIA (Serial No. : DS1A**********)26” LC260SS1 SYLVANIA (Serial No. : DS2A**********)26” LC

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 FL10.2DC CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly FlowchartThis flowchart indicates the disassembly steps for the cabinet parts, and the CB

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

4-3 FL10.2DC(S-4)(S-11)(S-11)(S-11)(S-11)(S-11)(S-8)(S-10)(S-9)PCB Holder[6] Jack CBA[4] Digital Main CBA Unit[8] Stand Holder[7] Power Supply CBA[11]

4-4 FL10.2DCTV Cable Wiring DiagramCN105CL104ACL104BJack CBAJunction-B CBAJunction-A CBAPower Supply CBAInverter CBAFunction CBATo LCD Module Assembly

5-1 FL10.2EAELECTRICAL ADJUSTMENT INSTRUCTIONSGeneral Note: “CBA” is abbreviation for “Circuit Board Assembly.”Note: Electrical adjustments are requir

5-2 FL10.2EA1. Purity Check ModeThis mode cycles through full-screen displays of red, green, blue, and white to check for non-active pixels.1. Enter t

5-3 FL10.2EAThe White Balance Adjustment should be performed when replacing the LCD Panel or Digital Main CBA.3. White Balance AdjustmentPurpose: To m

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

6-1 FL10.2INTHOW 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 FL10.2FWFIRMWARE RENEWAL MODEEquipment Requireda. USB storage deviceb. Remote Control UnitFirmware Update ProcedureNote: There are two states (th

8-1 FL10.2TRTROUBLESHOOTING[ 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 FL10.2TRCheck Q207, Q208, D205, P-ON-H1 line and their periphery circuit, and service it if defective.LCD+24V is not output.FLOW CHART NO.6Is appr

8-3 FL10.2TRSee FLOW CHART No.8 <P-ON+7V is not output.>AL+13V is not output.FLOW CHART NO.11Ye sNoIs approximately +13V voltage supplied to the

8-4 FL10.2TRP-ON+9V is not output. (LCD+13V is outputted normally.)FLOW CHART NO.14Is approximately +13V voltage supplied to thecollector of Q642?Is a

8-5 FL10.2TR[ Video Signal Section ]NoIs the "L" pulse sent out Pin(1) terminal of remote control receiver (RS102) when the infrared remote

8-6 FL10.2TRPicture does not appear normally.(S-Video input)FLOW CHART NO.5Are the video signal outputted to the Pin(6, 8) ofCN302?Check the line betw

8-7 FL10.2TR[ Audio Signal Section ]Check SP801,SP802 and their periphery circuit,and service it if defective.Are the audio(L/R) signals inputted to t

8-8 FL10.2TRAre the audio(L/R) signals inputted to each pin of CN301?Replace Digital Main CBA Unit.NoYe sAudio is not outputted normally.(Component Au

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

8-9 FL10.2TRYe sAudio is not outputted normally.(HDMI Audio input)FLOW CHART NO.3Are the audio(L/R) signals inputted to Pin(5, 14)of IC771?Check the l

8-10 FL10.2TRYe sAudio is not outputted normally.(Tuner input)FLOW CHART NO.4Are the DIF signals outputted to the Pin(26, 28)of CN302?Check TU301 and

9-1K3KEY SWITCHIC3301(MAIN MICRO CONTROLLER)DIGITAL MAIN CBA UNITFUNCTION CBAPOWER SUPPLY CBACL104BREMOTESENSORRS102AL+3.3VD104POWERSTANDBYD105LED133C

9-2 FL10.2BLVVideo Block DiagramDIGITAL MAIN CBA UNITCOMPONENT-Y-INCOMPONENT-Pb-INCOMPONENT-Pr-INJK731JK732JK733VIDEO-IN4 4S-VIDEO-C-IN6 6S-VIDEO-Y-IN

9-3Audio Block DiagramFL10.2BLAIC771(AUDIO SELECTOR)AUDIO(L)-OUTAUDIO(R)-OUTHDMI-AUDIO(L)-INHDMI-AUDIO(R)-INJK721JK722JK871JK872COMPONENT-AUDIO(L)-INC

9-4Digital Signal Process Block DiagramFL10.2BLDDIGITAL MAIN CBA UNITIC3301 (DIGITAL SIGNAL PROCESS)IC3702 (HDMI SW)LCD MODULEASSEMBLYCN3902LLV1(+)21L

9-5Inverter Block DiagramFL10.2BLINVINVERTER CBAIC1101 (INVERTER CONTROLLER)BACKLIGHT1212CN1202CN1203BACKLIGHTT1202Q1007Q1004 Q1005INV+35VWH1001Q1101T

9-6Power Supply Block DiagramFL10.2BLPCAUTION !Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse (F601

10-1 FL10.2SCSCHEMATIC DIAGRAMS / CBA AND TEST POINTSStandard NotesWARNINGMany electrical and mechanical parts in this chassis have special characteri

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

1-1 FL10.2SPSPECIFICATIONS< TUNER / NTSC >ANT. Input ---------------------- 75 Ω Unbal., F type< TUNER / ATSC >< LCD PANEL >< VID

10-3FL10.2SCM1Power Supply 1 Schematic DiagramNOTE:The voltage for parts in hot circuit is measured using hot GND as a common terminal.CAUTION !Fixed

10-4FL10.2SCM2Power Supply 2 Schematic Diagram

10-5FL10.2SCM3Power Supply 3 & Jack Schematic Diagram

10-6FL10.2SCM4Power Supply 4 Schematic Diagram

10-7FL10.2SCINVInverter & Junction-B Schematic Diagram

10-8FL10.2SCFFunction & Junction-A Schematic Diagram

10-9FL10.2SCD1Digital Main 1 Schematic DiagramThe order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into

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

10-11FL10.2SCD3Digital Main 3 Schematic DiagramThe order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into

10-12FL10.2SCD4Digital Main 4 Schematic DiagramThe order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into

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

10-13FL10.2SCD5Digital Main 5 Schematic DiagramThe order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into

10-14Digital Main 6 Schematic DiagramFL10.2SCD6The order of pins shown in this diagram is different from that of actual IC3301. IC3301 is divided into

10-15TM601TM602BA01A0F0102 4 ARISK OF FIRE-REPLACE FUSE AS MARKED101 2 3 4 5 6 7 8 9TOOL NO.C7A3 A3BA01A0F0102 4BJ318GNDJ124AOUT-LJ319GNDJ125J123AMP-L

10-16J318GNDJ124AOUT-LJ319GNDJ125AMP-LJ126AMP-RR402J127S-SWJ128AOUT-LR210J129AOUT-RR405R212R407J320GNDJ321GNDJ322GNDJ323GNDJ324GNDJ130SEL-RJ325GNDJ131

10-17C7A3 A3C7A3 A3BA01A0F0103 2 ABA01A0F0103 2 BVOLDOWNMENUCHUPCHDOWNPOWERVOLUPSTD BY POWERABC12345GNDGNDGNDGNDJ1020J1022J1023J1024J1025J1026J1027J10

10-18VOLDOWNMENUCHUPCHDOWNPOWERVOLUPSTD BYPOWERABC12345GNDGNDGNDGNDJ1020J1022J1023J1024J1025J1026J1027J1028J1029WH1001D1101WH1002D1102D1103D1104R1101C

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

FL10.2WI12-1WIRING DIAGRAMINVERTER CBATUNER UNITHDMI- AUDIO(L)-INHDMI- AUDIO(R)-INAUDIO(L) -OUTAUDIO(R) -OUTAC601AC CORDPOWER SUPPLY CBADIGITAL MAIN C

13-1 FL10.2CEXEXPLODED VIEWSCabinetL6A14B1L6L2L14L1L8L2L2B5B5A10S5A12A5A1A2LCD1B4A6A15A13B11L3B8B9L24L24L2L8L8L8L8L8L8L1L1A11L1L1L1L1L5L8L8L8L8L8B40L9

13-2 FL10.2PEXPackingS4S3S1Ta p eTa p ePacking TapePacking TapeTa p eS2S3S2S6X1Some Ref. Numbers are not in sequence.L9X2S5X8 X6 X10S5StandAssemblyX4X

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

20100312 14-1 A01A1CAPARTS LIST [ LC260SS1 (Serial No. : DS1A) ]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteris

20100312 14-2 A01A1ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

20100312 14-3 A01A1ELC811 CHIP CERAMIC CAP.(1608) B K 0.47µF/16V CHD1CK30B474C815 CHIP CERAMIC CAP. F Z 1µF/10V CHD1AZ30F105C816 ELECTROLYTIC CAP. 10µ

20100312 14-4 A01A1ELIC201 IC TL3472CDR NSZBA0TTY115IC601# PHOTO COUPLER LTV817MCF NPECLTV817MFIC631 IC LD1117V NSZBA0SSS046IC771 IC SWITCHING TC4052B

20100312 14-5 A01A1ELR614# METAL OXIDE FILM RES. 2W J 0.27 Ω RN02R27ZU001R615 RES CARBON FILM T 1/4W J 3.9k Ω RCX4392T1001R616 RES CARBON FILM T 1/4W

20100312 14-6 A01A1ELJACK CBA(MPW-2)INVERTER ASSEMBLYINVERTER CBABC601 BEADS INDUCTOR FBR07HA121SB-00 LLBF00STU030BC602 BEADS INDUCTOR FBR07HA121SB-00

20100312 14-7 A01A1ELCN1203# CONNECTOR/JACK 1747386-1 JB17J02AP002DIODESD1001 DIODE ZENER 6V2BSB-T26 NDTB6R2BST26D1002 SWITCHING DIODE 1SS133(T-77) QD

20100312 14-8 A01A1ELJUNCTION-B CBAFUNCTION CBAJUNCTION-A CBAR1224 CHIP RES. 1/10W J 100k Ω RRXAJR5Z0104R1225 CHIP RES. 1/10W J 100k Ω RRXAJR5Z0104R12

20100610 14-9 A01A5CAPARTS LIST [LC260SS1 (Serial No.: DS2A)] Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristi

20100610 14-10 A01A5ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

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

20100329 14-11 A01A4CAPARTS LIST [LC260EM1 (Serial No. : DS1A)]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characterist

20100329 14-12 A01A4ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

20100803 14-13 A01A7CAPARTS LIST [LC260EM1 (Serial No.: DS2A)] Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characterist

20100803 14-14 A01A7ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

20100329 14-15 A01A0CAPARTS LIST [26MF330B/F7 (Serial No. : DS1A)]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special character

20100329 14-16 A01A0ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

20100610 14-17 A01A6CAPARTS LIST [26MF330B/F7 (Serial No.: DS2A)] Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special character

20100610 14-18 A01A6ELElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing

15-1 FL10.2REVREVISION HISTORYChassis FL10.2• 2010-03-29 LC260SS1 (Serial No. : DS1A) added• 2010-04-19 LC260EM1 (Serial No. : DS1A) added• 2010-04-1

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

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