Magnavox 22ME601B Manuale di Servizio

22” LCD TVchassis FL11.1© 2011 Funai Electric Co., Ltd.All rights reserved. No part of this manual may be reproduced, copied, transmitted, disseminate

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

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 FL11.1-A_DC CABINET DISASSEMBLY INSTRUCTIONS[TYPE A]1. Disassembly FlowchartThis flowchart indicates the disassembly steps for the cabinet parts a

4-2 FL11.1-A_DC[2] Rear Cabinet[1] Stand Assembly(S-2)(S-4)(S-2)(S-2)(S-5)(S-2)(S-2)(L-1)(L-1)(S-3)(S-1)(L-1)Fig. D1

4-3 FL11.1-A_DC[3] Digital Main CBA UnitGuard Holder[5] Stand Holder[4] Main CBA[6] LCD ModuleAssembly[9] FunctionCBA Unit[10] Front Cabinet[8] IR Sen

4-4 FL11.1-A_DCTV Cable Wiring DiagramCN201CN1550CN1650CN3005CN301 CN3701CN4002CN601To AC CordTo SpeakerTo LCD ModuleAssemblyCN3802CN3102CN3801CN3101C

4-5 FL11.1-B_DC [TYPE B]1. Disassembly FlowchartThis flowchart indicates the disassembly steps for the cabinet parts and the CBA in order to gain acce

4-6 FL11.1-B_DC[1] Stand Assembly(S-1)(S-2)[2] Rear Cabinet(S-3)(L-1)(L-1)(L-1)(L-1)Fig. D1

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

4-7 FL11.1-B_DCFig. D2[3] Digital Main CBA UnitJack Holder(S-4)(S-4)Stand Bracket(S-5)(S-5)(S-5)(S-5)[4] Main CBA[5] Speaker[6] LED CBA UnitLED Lens[8

4-8 FL11.1-B_DCTV Cable Wiring DiagramCN1001CN3006CN601CN3701CN603CN4051 CN4052CN4101To AC CordTo SpeakerTo LCD ModuleAssemblyCN3802CN3102CN3801CN3103

5-1 LC9EAELECTRICAL ADJUSTMENT INSTRUCTIONSGeneral Note: “CBA” is abbreviation for “Circuit Board Assembly.”Note: Electrical adjustments are required

5-2 LC9EA1. 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 LC9EAThe White Balance Adjustment should be performed when replacing the LCD Panel or Digital Main CBA.3. White Balance AdjustmentPurpose: To mix

6-1 LC9_INTHOW TO INITIALIZE THE LCD TVThe purpose of initialization is to place the set in a new out of box condition. The customer will be prompted

7-1 FL11.1FWFIRMWARE RENEWAL MODEEquipment Requireda. USB storage deviceb. Remote Control UnitFirmware Update ProcedureNote: There are two states (th

8-1 FL11.1ATRTROUBLESHOOTING [TYPE A][Power Supply Section] The power cannot be turned on. The fuse blows out.FLOW CHART NO.1FLOW CHART NO.2Is normal

8-2 FL11.1ATRCheck Q211, Q212, P-ON-H1 line and their periphery circuit, and service it if defective.PANEL+25.6V is not output.FLOW CHART NO.6Is appro

8-3 FL11.1ATRPANEL+3.3V is not output.FLOW CHART NO.10Is approximately +6.5V voltage supplied to Pin(1) of IC631?Is approximately +5.6V supplied to Pi

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

8-4 FL11.1ATR[Video Signal Section]NoIs the "L" pulse sent out Pin(1) terminal of remote control receiver (RS4051) when the infrared remote

8-5 FL11.1ATR[Audio Signal Section]SP861, SP862, CL3801 or CL3802 may be defective. Check and replace these parts.Audio is not outputted normally.FLOW

8-6 FL11.1BTR[TYPE B][Power Supply Section] The power cannot be turned on. The fuse blows out.FLOW CHART NO.1FLOW CHART NO.2Is normal state restored w

8-7 FL11.1BTRAMP+11V is not output.FLOW CHART NO.6Is approximately +12V voltage supplied to thecathode of D629?Check C623, D629, D630, D661 and their

8-8 FL11.1BTR[Video Signal Section]NoIs the "L" pulse sent out Pin(1) terminal of remote control receiver (RS4051) when the infrared remote

8-9 FL11.1BTR[Audio Signal Section]SP3801, SP3802, CL3801 or CL3802 may be defective. Check and replace these parts.Audio is not outputted normally.FL

9-1BLOCK DIAGRAMSFL11.1ABLS1. System Control Block DiagramTO INVERTERBLOCK DIAGRAMTO POWER SUPPLY BLOCK DIAGRAMPROTECT1P-ON-H2P-ON-H1CN3101CN3701CN370

9-22. Video/Audio Block DiagramFL11.1ABLVAAUDIO(L)-INAUDIO(R)-INJK3701DIGITAL MAIN CBA UNIT846IC3801 (AUDIO AMP)19MUTE CONTROLDRIVEJK3702DIGITALAUDIO-

9-33. Digital Signal Process Block DiagramFL11.1ABLDDIGITAL MAIN CBA UNITIC3005 (DIGITAL SIGNAL PROCESS)CN3005LLV1(+)21LLV1(-)20LLV0(+)23LLV0(-)22LLV2

9-44. Inverter Block DiagramFL11.1ABLINVMAIN CBAIC1001(PWM CONTROL)BACKLIGHTQ1010, Q1006, Q1009Q1003Q1004, Q1011, Q1013, Q1014Q1001, Q1002Q1023,Q1024D

1-1 FL11.1SPSPECIFICATIONS< TUNER / NTSC >ANT. Input ---------------------- 75 Ω Unbal., F type< TUNER / ATSC >< LCD PANEL >< VID

9-5FL11.1ABLP5. Power Supply Block DiagramCAUTION !Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse (

9-61. System Control Block Diagram[TYPE B]FL11.1BBLSTO LED BACKLIGHT DRIVEBLOCK DIAGRAMTO POWER SUPPLY BLOCK DIAGRAMPROTECT1P-ON-H2CN3103CN3701CN3701Q

9-72. Video/Audio Block DiagramFL11.1BBLVAAUDIO(L)-INAUDIO(R)-INJK3701DIGITAL MAIN CBA UNIT846IC3801 (AUDIO AMP)19MUTE CONTROLDRIVEJK3702DIGITALAUDIO-

9-83. Digital Signal Process Block DiagramFL11.1BBLDDIGITAL MAIN CBA UNITIC3005 (DIGITAL SIGNAL PROCESS)CN3006LLV1(+)21LLV1(-)20LLV0(+)23LLV0(-)22LLV2

9-94. LED Backlight Drive Block DiagramFL11.1BBLBDIC1001 (LED BACKLIGHT DRIVER)OVPCN1001DRIVEQ1001CONTROLLOGIC101614131DRIVE32DRIVE54DRIVEILED14VLED6

9-10FL11.1BBLP5. Power Supply Block DiagramCAUTION !Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit.If Main Fuse

10-1 FL11.1SCSCHEMATIC DIAGRAMS / CBA AND TEST POINTSStandard NotesWARNINGMany electrical and mechanical parts in this chassis have special characteri

10-2 FL11.1SCLIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES:1. CAUTION:CAUTION: FOR CONTINUED PROTECTION AG

10-31.2/3WR602D6041N5397BDD6031N5397BDD6021N5397BDD6011N5397BD1ZB220-YBBD611Q601TK7A50DGDSBC601BEAD820P/2KVC6061ZB36BBD6070.39/2WR610D608OPENR611A2.2K

10-4CN155020.01C155627KR1552180R155015P/6KVC1553560PC102412SC2412KQ15512SC2412KQ155010KR155415P/6KVC1550560PC1002180R1551T1500INVERTER TRANS2134567810

1-2 FL11.1SP< AUDIO >All items are measured across 8 Ω load at speaker output terminal with L.P.F. Description Condition Unit Nominal Limit1. A

10-51.2/3WR626D6121N5397BDD6111N5397BDD6101N5397BDD6091N5397BD1ZB220-YBBD601Q607TK5A50DGDSBC601BEAD820P/2KVC6121ZB36BBD6150.68/2WR634D616OPENR635A2.2K

10-62GNDCN40021AL+3.3V3KEY-IN1220R4006EDZTE615.6BD4001SW40062.2KR40072.2KR4005SW4005 SW40042.7KR40044.7KR40038.2KR400218KR4001SW4003 SW4002 SW4001SW40

10-72GNDCN40021AL+3.3V3KEY-IN1220R4006EDZTE615.6BD4001SW40062.2KR40072.2KR4005SW4005 SW40042.7KR40044.7KR40038.2KR400218KR4001SW4003 SW4002 SW4001SW40

10-82 REMOTECN40521 GND7 LIGHT6 KEY-IN15 LED14 P-ON+5V3 AL+3.3VR40523.3KR4051100231RS4051GPIUSC32XPVOUTGNDVCC10C405110C40560.01C40521KR40540.1C40542 G

10-97 GND5 POL9 LLV5(+)10 LLV4(-)CN300524 GND20 LLV1(-)2 XA020 LLV1(-)8 LLV5(-)13 LLV3(+)17 GND16 LLVCNK(+)18 LLV2(-)8 LLV5(-)12 LLV3(-)25 P-ON+3.3V7

10-10B12D30401SS400TE61D3045OPENP-ON+5VD3049OPENA10NUD9NU4.7KR3456D3053OPENQ30342SC4081UBTLQ4.7KR3321C8NU0.1C3195B9NUOPENR336412345678IC3012AT24C02C-S

10-11IC3002K4T51163QI-HCF7*A VDDJ2VREFE2 NUK2CKEJ8CKK8CKL8CSK7RASL7CASK3WEL1BA2/NUL3BA1L2BA0R2A12P7A11M2A10/APP3A9P8A8P2A7N7A6N3A5N8A4N2A3M7A2M3A1M8A0

10-120.1C312410C33210.1C3157J5VCCQ18OPENC3121M4VCCQ18OPENC3158D6AVDD33100R3221F12IC3005(4/5)R8A05011BG-U0*1VCC33STBF8AVDD120.1C31480.1C3160L3016220uH0

10-1313 HDMI-CEC18 +5V17 GND16 HDMI-DATA19 HOT PLUG DETECT15 HDMI-CLOCK14 NUB482KR341527KR3237A1B15HDMI-CECIC3005(5/5)*1R8A05011BG-U0D3057RB751S-40A4A

10-147 GND5 POL9 LLV5(+)10 LLV4(-)CN300524 GND20 LLV1(-)2 XA020 LLV1(-)8 LLV5(-)13 LLV3(+)17 GND16 LLVCNK(+)18 LLV2(-)8 LLV5(-)12 LLV3(-)25 P-ON+3.3V7

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

10-15B12D30401SS400TE61D3045OPENP-ON+5VD3049OPENA10NUD9NU4.7KR3456D3053OPENQ30342SC4081UBTLQ4.7KR3321C8NU0.1C3195B9NUOPENR336412345678IC3012AT24C02BN-

10-16IC3002K4T51163QI-HCF7*A VDDJ2VREFE2 NUK2CKEJ8CKK8CKL8CSK7RASL7CASK3WEL1BA2/NUL3BA1L2BA0R2A12P7A11M2A10/APP3A9P8A8P2A7N7A6N3A5N8A4N2A3M7A2M3A1M8A0

10-170.1C312410C33210.1C3157J5VCCQ18OPENC3121M4VCCQ18OPENC3158D6AVDD33100R3221F12IC3005(4/5)R8A05011BG-U0*1VCC33STBF8AVDD120.1C31480.1C3160L3016220uH0

10-1813 HDMI-CEC18 +5V17 GND16 HDMI-DATA19 HOT PLUG DETECT15 HDMI-CLOCK14 NUB482KR341527KR3237A1B15HDMI-CECIC3005(5/5)*1R8A05011BG-U0D3057RB751S-40A4A

10-19P-ON+3.3V-REG-VCDRIVE+12.5VDRIVE+12.5VJS1001DRIVE+12.5VV-REFJS1002DRIVE+12.5VJS1004DRIVE+12.5VDRIVE+12.5VRISK OF FIRE-REPLACE FUSE AS MARKEDC7A3

10-20ABC1D234HOTCOLDCOLDHOTF6014A/125VH.VCAUTIONH.VCAUTIONGNDJ124Q401-BJ125J123D204-KJ126C1502ALL+5VJ127C1503+5VJ128J129to-P-ON+3.3VJ130VGH+25.6VJ131R

10-21C7A3 A3REPLACE FUSE AS MARKEDRISK OF FIRE-BA1170F0101 1P-ON21V-UP-15VAGNDGNDALL5VP-ON-H2P-ON21V-UP-15VA5VHOTCOLDF601 4A/125V-15VPROTECT1-AMP11VAM

10-22P-ON21V-UP-15VAGNDGNDALL5VP-ON-H2P-ON21V-UP-15VA5VHOTCOLDF601 4A/125V-15VPROTECT1-AMP11VAMP11VQ616-BGATE12181916GNDAMP11VCN601L1001R625R626R631R6

WAVEFORMSFL11.0AWF11-1Input: Component Color Bar Signal (480i, 480p, 720p or 1080i) (with 1kHz Audio Signal)WF1 ~ WF4 = Waveforms to be

FL11.1AWI12-1WIRING DIAGRAMTUNER UNITMAIN CBADIGITAL MAIN CBA UNITPC-RGB-INHDMI-CONNECTOR-1USB JACKLCD MODULEASSEMBLYBACKLIGHTCN15502121BACKLIGHTCN16

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

[TYPE B]FL11.1BWITUNER UNITMAIN CBADIGITAL MAIN CBA UNITPC-RGB-INHDMI-CONNECTOR-1USB JACKLCD MODULEASSEMBLY21CL1001CN1001CN6036 VLED25 P-ON+3.3V26 PW

13-1 FL11.1 -A_CEXEXPLODED VIEWSCabinet [TYPE A] See Electrical Parts List for parts with this mark.Digital Main CBA UnitFunction CBA UnitIR Sensor CB

13-2 FL11.1 -B_CEXCabinet [TYPE B] See Electrical Parts List for parts with this mark.Stand AssemblyA12CL3102CL4051Digital Main CBA UnitFunction CBA U

13-3 FL11.1_A_PEXPacking [TYPE A] S6S1Packing TapePacking TapeS7X1Some Ref. Numbers are not in sequence.L8X2S4X6S3StandAssemblyX3X4FRONTFRONTTa peS5

13-4 FL11.1_B_PEXPacking [TYPE B] （Some Ref. Numbers are not in sequence.X3X4S7X7S6X6S6Packing TapePacking TapeFRONTFRONTS1S4S3S5X1TapeX2L28

2011/05/12 14-1 L1776CA.fmTYPE APARTS LIST [LC220SS2 (Serial No.: TH1)]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special char

2011/05/12 14-2 L1776EL.fmElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before repla

2011/05/12 14-3 L1776EL.fmC1661 CHIP CERAMIC CAP.(1608) B K 0.1µF/50V CHD1JK30B104CONNECTORSCN201 FFC CONNECTOR IMSA-9615S-11A-PP-A JC96J11ER007CN301

2011/05/12 14-4 L1776EL.fmQ1401 CHIP TRANSISTOR 2SC2412K T146S QQ1S2SC2412KQ1402 CHIP TRANSISTOR 2SC2412K T146S QQ1S2SC2412KQ1500# FET MOS SMD TPC8214

2011/05/12 14-5 L1776EL.fmR1030 RES CARBON FILM T 1/4W J 2.2k Ω RCX4222T1001R1031 RES CARBON FILM T 1/4W J 150 Ω RCX4151T1001R1036 RES CHIP 1608 1/10W

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

2011/05/12 14-6 L1775CA.fmTYPE APARTS LIST [LC220EM2 (Serial No.: TH1)]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special char

2011/05/12 14-7 L1775EL.fmElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before repla

2011/05/12 14-8 L1170CA.fmTYPE BPARTS LIST [22ME601B/F7 (Serial No.: DS1)]Mechanical PartsPRODUCT SAFETY NOTE: Products marked with a # have special c

2011/05/12 14-9 L1170EL.fmElectrical PartsPRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before repla

2011/05/12 14-10 L1170EL.fmQ611 TRANSISTOR KTC3198-Y-AT/P NQSYKTC3198PQ615 CHIP TRANSISTOR 2SC2412K(R) T146 QQ8R2SC2412KQ616 CHIP TRANSISTOR 2SC2412K(

15-1 FL11.1REVREVISION HISTORYChassis FL11.1• 2011-02-22 LC220EM2 (Serial No. : TH1) added• 2011-04-14 LC220SS2 (Serial No. : TH1) added• 2011-05-19 2

FL11.1COMCOMPARISON LIST OF MODEL NAMEChassis FL11.1LC220SS2 (TH1) A1776UTLC220EM2 (TH1) A1775UT22ME601B/F7 (DS1) A1170UH

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