Marantz-SR18-avr-sm 维修电路原理图.pdf

《Marantz-SR18-avr-sm 维修电路原理图.pdf》由会员分享，可在线阅读，更多相关《Marantz-SR18-avr-sm 维修电路原理图.pdf（60页珍藏版）》请在收音机爱好者资料库上搜索。

1、Printed in JapanAV Surround Receivermodel SR-18First Issue 1999.07300J855010 MITTABLE OF CONTENTSSECTIONPAGE 1. TECHNICAL SPECIFICATIONS . 1 2. WIRING DIAGRAM . 3 3. BLOCK DIAGRAM. 5 4. SCHEMATIC DIAGRAM. 7 5. PARTS LOCATION (Pattern Side) . 25 6. IC DATA . 45 7. EXPLODED VIEW AND PARTS LIST. 53 8.

2、SERVICE PROGRAM . 57 9. ELECTRICAL ADJUSTMENTS . 5910. ALIGNMENT PROCEDURES . 6111. TROUBLE SHOOTING . 6312. TECHNICAL DESCRIPTION FOR DECODER . 6613. ELECTRICAL PARTS LIST . 68ServiceManualSR-18 U, K, KSPlease use this service manual with referring to the user guide (D.F.U) without fail.RPOWER/STAN

3、DBYPHONESA/DATTAUTODOLBYBANDFM MODETHXDTSMEMOHALLCLMATRIXD.COPYMOVIETAPECOPY VCR1ST/MONOS.DIRECTTONE CONTROLBASSTREBLES2-VIDEOVIDEOLAUDIORAUX INPUTINPUT SELECTORAV SURROUND RECEIVER SR-18dtsCINEMAMUSIC96 kHzTVLDDVDDOWNGYRO TUNINGUPVCR1DSS/VCR2AUXPRESETAUTO TUNINGDISPLAY OFFMULTIDOWNUPVOLUMELCRLFELSS

4、RSPEAKRadioFans.CN 收音机爱 好者资料库MARANTZ DESIGN AND SERVICEUsing superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound.Only original MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for whichit is fam

5、ous.Parts for your MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent.ORDERING PARTS :Parts can be ordered either by mail or by Fax. In both cases, the correct part number has to be specified.The following information must be supplied to eliminate delays in process

6、ing your order :1. Complete address2. Complete part numbers and quantities required3. Description of parts4. Model number for which part is required5. Way of shipment6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.SHOCK, FIRE HAZARD

7、 SERVICE TEST :CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary ACcord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product andcontrols and chassis bottom.Any r

8、esistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied, andverified before it is return to the user/customer.Ref. UL Standard N0. 1492.In case of difficulties, do not hesitate to contact the TechnicalDepartment at above mentioned address.99

9、0518MITUSAUSAMARANTZ AMERICA, INCMARANTZ AMERICA, INC.440 MEDINAH ROADROSELLE, ILLINOIS 60172USAPHONE : 630 - 307 - 3100FAX : 630 - 307 - 2687 BRAZILBRAZILMARANTZ BRAZILMARANTZ BRAZILCAIXA POSTAL 21462CEP 04698-970SAO PAULO, SP, BRAZILPHONE : 0800 - 123123(Discagem Direta Gratuita)FAX : +55 11 534.

10、8988JAPANJAPAN Technical MARANTZ JAPAN, INC.MARANTZ JAPAN, INC.35- 1, 7- CHOME, SAGAMIONOSAGAMIHARA - SHI, KANAGAWAJAPAN 228-8505PHONE : +81 42 748 1013FAX : +81 42 748 9190EUROPE / TRADING EUROPE / TRADING MARANTZ EUROPE B.V.MARANTZ EUROPE B.V.P.O.BOX 80002, BUILDING SFF25600 JB EINDHOVENTHE NETHER

11、LANDSPHONE : +31 - 40 - 2732241FAX : +31 - 40 - 2735578CANADACANADALENBROOK INDUSTRIES LIMITEDLENBROOK INDUSTRIES LIMITED633 GRANITE COURT, PICKERING, ONTARIO L1W 3K1CANADAPHONE : 905 - 831 - 6333FAX : 905 - 831 - 6936NEW ZEALANDNEW ZEALANDSCAN AUDIO PTY. LTD.SCAN AUDIO PTY. LTD.8C PIERMARK DRIVE, A

12、LBANY.NORTH SHORE, AUCKLAND.NEW ZEALANDPHONE : +64 - 9444 - 4710FAX : +64 - 9444 - 1346AUSTRALIAAUSTRALIASCAN AUDIO PTY. LTD.SCAN AUDIO PTY. LTD.52 CROWN STREET, RICHMOND 3121 VICTORIAAUSTRALIAPHONE : +61 - 3 - 9429 - 2199FAX : +61 - 3 - 9429 - 9309THAILANDTHAILANDMRZ STANDARD CO.,LTDMRZ STANDARD CO

13、.,LTD746 - 754 MAHACHAI ROAD.,WANGBURAPAPIROM, PHRANAKORN, BANGKOK, 10200 THAILANDPHONE : +66 - 2 - 222 9181FAX : +66 - 2 - 224 6795TAIWANTAIWANPAI- YUING CO., LTD.PAI- YUING CO., LTD.6 TH FL NO, 148 SUNG KIANG ROAD, TAIPEI, 10429, TAIWAN R.O.C.PHONE : +886 - 2 - 25221304FAX : +886 - 2 - 25630415MAL

14、AYSIAMALAYSIAWO KEE HONG ELECTRONICS SDN. BHD.WO KEE HONG ELECTRONICS SDN. BHD.NO. 102 JALAN SS 21/35, DAMANSARAUTAMA, 47400 PETALING JAYASELANGOR DARUL EHSAN, MALAYSIAPHONE : +60 3 - 7184666FAX : +60 3 - 7173828 AMERICASAMERICASSUPERSCOPE TECHNOLOGIES, INC.SUPERSCOPE TECHNOLOGIES, INC.MARANTZ PROFE

15、SSIONAL PRODUCTS2640 WHITE OAK CIRCLE, SUITE AAURORA, ILLINOIS 60504 USAPHONE : 630 - 820 - 4800FAX : 630 - 820 - 8103KOREAKOREAMK ENTERPRISES LTD.MK ENTERPRISES LTD.ROOM 604/605, ELECTRO-OFFICETEL, 16-58, 3GA, HANGANG-RO, YONGSAN-KU, SEOULKOREAPHONE : +822 - 3232 - 155FAX : +822 - 3232 - 154SINGAPO

16、RESINGAPOREWO KEE HONG (S) PTE LTDWO KEE HONG (S) PTE LTDWO KEE HONG CENTRE NO.23, LORONG 8, TOA PAYOH SINGAPORE 319257PHONE : +65 2544555FAX : +65 2502213RadioFans.CN 收音机爱 好者资料库11. TECHNICAL SPECIFICATIONSFM TUNER SECTIONFrequency Range . 87.5 108.0 MHzUsable Sensitivity . IHF 1.8 V/16.4 dBfSignal

17、to Noise Ratio .Mono/Stereo 76/72 dBDistortion .Mono/Stereo 0.2 / 0.3 %Stereo Separation. 1 kHz 45 dBAlternate Channel Selectivity . 400 kHz 60 dB (U version)300 kHz 60 dB (K, KS version)Image Rejection . 98 MHz 70dBTuner Output Level . 1 kHz, 75 kHz Dev 800 mV (U version)1 kHz, 40 kHz Dev 800 mV (K

18、, KS version)AM TUNER SECTIONFrequency Range .520 1710 kHz (U version)531 1602 or 520 1710 kHz (K version)531 1602 kHz (KS version)Signal to Noise Ratio . 50 dBUsable Sensitivity .Loop 400 VDistortion . 400 Hz, 30% Mod. 0.5%Selectivity . 20 kHz 70 dB (U version)18 kHz 70 dB (K, KS version)AUDIO SECT

19、IONRated Power Stereo Mode FRONT (20 Hz 20 kHz).8 ohms 140W / Ch (2ch driven) Center (40 Hz 20 kHz). 8 ohms 140W / Ch Surround . 8 ohms 140W / ChTHD Front (20 Hz 20 kHz). 8 ohms 0.05%Input Sensitivity/Impedance Linear . 350mV/47 kohmsSignal to Noise Rate ( IHF A ) Linear . 85 dBDolby Surround Adjace

20、nt Channels Separation. 55 dBVIDEOTelevision Format . NTSC (U version)PAL/NTSC (K, KS version)Input Level/Impedance . 1 Vp-p/75 ohmsOutput Level/Impedance . 1 Vp-p/75 ohmsVideo Frequency Response . 5 Hz to 8 MHz ( 1 dB)S/N . 60 dBGENERALPower Requirement . AC 120V 60 Hz (U version)AC 220 50/60 Hz (K

21、 version)AC 230V 50 Hz (KS version)Power Consumption . 470W Dimension ( MAX ) Width . 18 inches (458 mm) Height . 7- inches (190 mm) Depth. 19- inches (496 mm) Weight . 49.7 lds. (22.5 kg)ACCESSORIESRemote Control Unit RC-18SR .1Dolby Digital(AC-3) SECTIONOutput Level ( Master Volume is set 0dB )Fro

22、nt L/R, CENTER, SURROUND L/R 1 KHz, 0 dB FS INPUT . 1.1VSUBWOOFER 40 Hz, 0 dB FS INPUT . 3.8VFrequency ResponseFront L/R, CENTER, SURROUND L/R ( LARGE ) 20 Hz 20 KHz.-1dBTotal Harmonic DistortionFront L/R, CENTER, SURROUND L/R ( 1 KHz ). 0.01% or lessSUBWOOFER ( 40 Hz) . 0.07% or lessSignal to Noise

23、 Ratio ( IHF-A ). 96 dBChannel Separation ( 1 KHz ) . 70 dBSpecifications subject to change without prior notice.2Remark : Bass signal output from Sub Woofer terminal for SR-18Sub woofer output is not active while all surround modes. Please refer to the following table.Note : These configuration hav

24、e been effective since the version of main CPU (QY01) is 990531 & the version of sub CPU (Q691)is 990528-02.SPK setup SubWoofer Output by Surround modeSub THX cinemaDOLBY or DTSTHX cinemaDOLBY STEREOAUTOAUTOMonoWooferFront CenterRear(5.1ch decoding)(5.1ch decoding)(Pro Logic decoding)(Pro Logic deco

25、ding)(5.1ch decoding)(Stereo decoding)ONLargeLargeLargeLFELFEnonenoneL+RLFEL+RnoneSmallLFE+LS+RSLFE+LS+RSnonenoneL+RLFE+LS+RSL+RnoneNoneLFELFEnonenoneL+RLFEL+RnoneSmallLargeLFE+CLFE+CCCL+RLFE+CL+RCSmallLFE+C+LS+RSLFE+C+LS+RSCCL+RLFE+C+LS+RSL+RCNoneLFE+CLFE+CCCL+RLFE+CL+RCNoneLargeLFELFEnonenoneL+RLF

26、EL+RnoneSmallLFE+LS+RSLFE+LS+RSnonenoneL+RLFE+LS+RSL+RnoneNoneLFELFEnonenoneL+RLFEL+RnoneSmallLargeLargeLFE+L+RLFE+L+RL+RL+RL+RLFE+L+RL+RnoneSmallLFE+L+R+LS+RSLFE+L+R+LS+RSL+RL+RL+RLFE+L+R+LS+RSL+RnoneNoneLFE+L+RLFE+L+RL+RL+RL+RLFE+L+RL+RnoneSmallLargeLFE+L+R+CLFE+L+R+CL+R+CL+R+CL+RLFE+L+R+CL+RCSmal

27、lLFE+L+R+C+LS+RSLFE+L+R+C+LS+RSL+R+CL+R+CL+RLFE+L+R+C+LS+RSL+RCNoneLFE+L+R+CLFE+L+R+CL+R+CL+R+CL+RLFE+L+R+CL+RCNoneLargeLFE+L+RLFE+L+RL+RL+RL+RLFE+L+RL+RCSmallLFE+LS+RSLFE+LS+RSL+RL+RL+RLFE+LS+RSL+RCNoneLFE+L+RLFE+L+RL+RL+RL+RLFE+L+RL+RCOFFLargeLargeLargenonenonenonenonenonenonenonenoneSmallnonenone

28、nonenonenonenonenonenoneNonenonenonenonenonenonenonenonenoneSmallLargenonenonenonenonenonenonenonenoneSmallnonenonenonenonenonenonenonenoneNonenonenonenonenonenonenonenonenoneNoneLargenonenonenonenonenonenonenonenoneSmallnonenonenonenonenonenonenonenoneNonenonenonenonenonenonenonenonenoneSmallLargeL

29、argeProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedSmallProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedNoneProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedSmallLargeProhibitedProhibitedProhibitedProhibi

30、tedProhibitedProhibitedProhibitedProhibitedSmallProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedNoneProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedNoneLargeProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibite

31、dSmallProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedNoneProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibitedProhibited3412345678910111213141516171819202122232425262728293031323312345678910111213141516171819202122232425262728293031323312345678910111

32、2131415161718192021222324252627282930313233123456789101112131415161718192021222324252627282930313233J702JN51J704JN53J854J703J701JP01J852JW02JN52J853J851JL08JC02JL76JL09JZ07JZ06JZ08JC04JC01JU91JY63JY62JL10JB71JY67J602J601JL07JC03JY68JY69JN56JT72JL77JY05JU81JU03JU02JY03JY70JY02J805J804J806JU01JY04J105

33、J691JN02JN08JN04JN03JN05J871JN09J715JU03JU81J802J803J801JL11JY61JY51JY01JY53MN51JB08JB04JB09JB05J103JA51JC07JC08JM21JM22J709J707J705J785J783J781J708J784J782J706JB12JS09JS10JY65JY6412V FAN/JB58/JB54/JB59/JB55/JB62AUDIO_FUNCTIONSUPPLYPS04CVBS_FUNCTIONS-VIDEO_FUNCTIONCOMPONENT_VIDEOPL04PZ04TUNERELE_VRE

34、LE_TONEP104CONNECTPU94FRONT_DISPLAY-COMPU043CH_POWER_TRPROTECTORSPK_TERMINALPW04POWER_SWPB04/PB54GYROENCODERAUX_INPUTPL74SURROUNDDECODERP6041234567812312345123456789101112131415161234567812345678910111213141516123456789123456789123456789101112131415161011121314151610121212121234512341234512345612345

35、1234123451231234512345612345678123123412345678910PT04P754P704P774POWER-AMP-SUPPLYP854123SUB-TRANSMAIN-TRANS123PY64PB74PH 10PPH 11P77PT741212PY04IR_SENSORPU84PH 12PPH 12P123PH 9PPH 9PEH 3PPH 8PPH 4PPH 4PEH 3PB3P VHB3P VHB3P VHB3P VHEH 3PPH 11PEH 3PVH 8PEH 7PPH 10PPH 16PPH 16PPH 16PPH 16PPH 8PPH 10PPH

36、 7PPH 10PPH 16PPH 16PEH 7PPH 3PPH 4PVH 6PVH 4PEH 4PEH 4PEH 5PB3P VHVH 6PB3P VHEH 5PVH 3PVH 3PVH 4PVH 5PVH 3PPH 5PVH 7PVH 7PVH 5PPH 7PPH 16PPH 16PRELAY+3.3V+12V+8V+8V+5VV1234567+12VREF1234CLK0DATA0SYNC DET1SYNC DET2OSD-1OSD-2-24VOSD-INTCE1(OSD)CE2(OSD)CE7(P.EXP)12345678910111213141516CE6(P.EXP)CDR/MD

37、-MUTE12345678910111213141516PH 11PPH 11PEH 5P123EH 3P123412345612345678910123VOL_UPVOL_DNDATA0CLK0CE5CLR+5VLVKK1234567891011R OUT(RT)L OUT(LT)+15VD+3.3V-15VD-5VD12345671234234567891011123456789101111234567891011121314151612345678910111213141516RELAY CTRLMUTE- RELAY12345678910111212345678910111212345

38、678912345671234567891012345671234567891011STBDI-FLKEY1KEY2KEY3KEY4+5VBLEFTRIGHTUPDN1234RELAYLSRSFLFRCNTSWRSFLCNTLSFRCYAUX-CVBSPALVIDEO MUTEABC(A)(B)INP.SELCOPYDSS:L/DVD:HAUX-CVBS1235(B)4123456FRLS123456123456FLRSCPH 3P123PH 3PPH 3P12323123411234231231231231FR/LS_POWER_AMPFL/RS/C_POWER_AMPCENTER_SPK1

39、23123STANDBYLEDPRE_OUTPRIMARYSUPPLYHDAM12345678-24V+15VAXH 3PXH 3PXH 3PXH 3PPW04L001L002PU74P804AUX-LAUX-RL OUTR OUT-24VTUNER-LTUNER-RRELAY-MUTEMULTI-MUTETAPE-MUTEMULTI-RCRC-5DATA0CLK0CE0CE3MULTI-RC-OUTPOWERP-DOWNTU-SDRC-5CLK0DATA0OSD-1OSD-2SYNC DET1SYNC DET2TU-CLKTU-CEP-DOWNPOWER+5VLLRG/SMLCE1(OSD)

40、CE2(OSD)CE7(P.EXP)VKKTU-DORDS-DICE6(P.EXP)CE0(ANA.SW)CE3(TONE)RELAY CTRLH.P.SW+15VAMULTI-RC+24VH.P.SWAUX-LAUX-RPY54TU-DI1010101011111111121212121313131314141414151515151616 171718181919202015P12345678912345678920P123456789987654321P154AM STEREO(F ONLY)123456789HEAD_PHONEEH 6PEH 6PVH 4P33P33PRCIRLED-

41、CONT1231235P5P7P12345123451234567-15VD-5VD+5VL-15VA+24V+5VV+3.3VVKK+15VA+15VD+24VBLUBLUYELBLKYELORGGRYORGRED/BRNWHT/BLU+5A.D(+5VD1)+24VRED/BRNWHT/BLU+24VWHT/BLURED/BRNRED/BRNWHT/BLUTEMP OUTYELGRYGRNREDBLKORGGND(NC)GND(NC)GND(NC)GND(NC)GND(NC)TUNER-LTUNER-RMULTI-MUTETAPE-MUTECE0(ANA.SW)LRG/SMLN.CN.CL

42、 OUTR OUTCE3(TONE)+5VL+5VV+15VA-15VA+24V+15VAVKK+5VLIRDSP-REQDSP-RSTDSP-CLKDSP-ACKDSP-MUTDSP-DODSP-DIGND(NC)GND(NC)PH 4P+5VD+5VD+5VD+5VD+5VBVKK+5VL+5VIRGND(NC)+12V-24V+15VA+5VL+5VD+5VB+5VA+5VC+5VL+5VIRGND(NC)GND(NC)GND(NC)+15VA-15VAGND(NC)GND(NC)GND(NC)GND(NC)+15VA-15VA+5VL+5VV-24VGND(NC)+15VA-15VA+

43、5VL+5VV-24V(NC)+5VV+5VL-15VA+15VA-24V(NC)TU-SDPLL-DORDS-DOTU-DITU-CLKTU-CEN.CCFLFRLSRSERMUTESWTUNER GND ONLYR CHL CHIF-INMONO/STST-IND+15VA+15VAM+15VAM+15VA-15VANCNCFL INFR OUTFR INFL OUT+3.3V-5VD+15VD-15VD+15VA-15VALRAUTO MODE+B-BDC-INSTOP+8V+8V+12V+5A.D(+5VD1)+5VV+3.3V+BRELAYFL(F)FL(F)FL(F)FL(F)FL

44、FLFLFLFLFLFL(F)FL(F)AC9.7V(5V)AC9.7V(5V)AC20V(24V)AC20V(24V)VCR1-MUTERELAY-MUTE(M-RL)VCR1-MUTECDR/MD-MUTEMULTI-RC-OUT+24V+24V123451234565432154321543215432154321543215432165432166+B+B-B-B3MIXL.OUTC.DETPOSISTNC+B-B-B+B+24VAC62VAC62VPO-DWN-B+B+BC+5VAD+5VAD+5AD+5VAD+5VADGNDDGNDAGNDA-15VA+15VA+5VA+5VD2.

45、 WIRING DIAGRAM3. BLOCK DIAGRAMFMAMHEADPHONEPROTECRORDRIVEMAINAMPFM FRONTENDIF AMPFM/AM IF & MPXPLLPOWERSUPPLYPOWERSUPPLYTRANSF.TRANSF.MAIN AMPCENTERSURROUNDFRONTLGGRGLGGRRDS DECODEFM DET.7.2MKEY MATRIXFL+-B(POWER AMP)U-COM(+6V)MUTE DRIVETVMONITOR OUTVIDEO SELECTOROSDMUTE CONTROLOSD CONTROLSTAND-BY

46、CONTROLPOWER24V,-33VSTEREO CONTROLROTARY ENCODERINDIVIDUAL & MASTERELE.-VOL. X6CHMULTI ROOMVOL CONTROLMUTE CONTROLBASSTREBLECENTERFRONTSUB-WOOFERRC-5 INRC-5 OUTSUB WOOFERFRONTCENTERSURROUND-6dB ATT2.88MHZBPFSRAMADCCOAXOPTRFLFEFRONTCENTERSURROUNDMIXSUB CPU I/F+15V-15V+5V+5V+5V+15V+15V-15VPOWER-SW30(1

47、)29(2)27(4)25(6)(7)22(9)21(10)2426(5)(8)(11)20235(1)(3)QS0257(1)(3)QS13PS04CDAUDIOQS01713(5)(7)INPUT SEL.FUNCTIONCONTROLELE. VOLAUXTVMULTI ROOMOUTV-AUDIOPL742221(10)(9)QS51QS52QS5375557720(11)QS915728(3)MULTI MUTELPFHPF-5V+5V+15V-15VMAINAMPMAINAMPMAINAMPMAINAMPPL04VIDEOP104TUNERP604DSPPU04FRONTFUNCT

48、IONCONTROLTONEPU94P704/P754MAIN AMPPW04TAPEDVDLC78211OUTININPUT SEL./MULTI SEL.DVDDVDTVMONITOROSDTVDVDCOMPOSITECOMPOSITEDVDININCONTROLLA1837MULTI ROOM SELECTORELECTRIC TONE CONTROLTONE CONTROLTC9215PSMLCOPY SWITCHDVDCOPY SWITCHTVAUXFUNCTIONCONTROLVISUALCH STATUSDECODE(DTS)ROTARY ENCODERFUNCTION SELE

49、CTFRONTCENTERLC78213FRCNTSWFRCNTSWFLFRCNTSWPREOUT/MAININTC9184APMULTI VOL. CONTROLMUTECONTROLMUTECONTROLOSD CONTROLMONITOR OUT8BIT -COMMUTE CONTROL(S2)(S3)(S1)X2SUBCONTROLPL74RC-INRC-5 IN/OUTFOR FEATURESPORT EXPANDERX6PORT EXPANDER CONTROLFOR LED DRIVE12DIG.X16SEG.(L/C/R/LFE)X74.3MHZPLL/RDS CONTROLR

50、DS DATA20BITNJU3718LCLOCKKILLER6dBBafCbCrYCbCrYMULTI OUT123109765(30)(29)(28)(26)(25)(24)(22)(21)1184(27)(23)(20)PAL/NTSCDSS/DVDEXPANDERDSS/DVDBA7613N75OHM+6dBAUX75OHM+6dBOFFSRCBA7613NBA7649ABA7649ADVD6dB75OHM+6dBBA7613NBA7649A+6dBOUTOUTAUXAUXTVAUXDVD+6dBSOURCESOURCEY-OUTC-OUTY-OUTC-OUTEXPANDERFUNCT