Crystal Acoustics THX-T3 SE Wartungshandbuch

ORDER NO.PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, JapanPIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 9080

1012341234CDFABEVSX-AX10i-GQ1002 DTC124EK Not usedD1003, D1004 1SS355 Not usedR1002 ACN7116 Not usedR1003 RCN1080 Not usedR1005, R1006 RS1/16S220J RS1

ABCD1234123472VSX-49TX, VSX-47TXQ41062SC3326Q44042SC3326Q46042SC3326VPOWER AMP (L) ASSY(AWX7882)WPOWER AMP (C) ASSY (AWX7884)CN4809YCN5006Q 3/3CN4806X

ABCD5678567873VSX-49TX, VSX-47TXIC4102PBD001AIC4103PBD001A1122554433IC4402PBD001A12543IC4602PBD001A12543IC4302PBD001A12543IC4403PBD001A12543IC4603PBD0

ABCD1234123474VSX-49TX, VSX-47TXDTA124EKQ4103XPOWER AMP (R) ASSY(AWX7883)YPOWER AMP (BR) ASSY(AWX7885)ZPOWER AMP (G) ASSY(AWX7886)CN4803VCN5006Q 3/3CN

ABCD5678567875VSX-49TX, VSX-47TXIC4202PBD001AIC4203PBD002A12543IC4502PBD001A1245354231IC4503PBD002A54321IC4702PBD001A12453IC4703PBD002A54321IC4303PBD0

ABCD1234123476VSX-49TX, VSX-47TXCN1904AICN1802ALCN1701AN10.6V11.7V11.7V-12.1V-12.2V26.6V63.4V-63.4V-26.7V3.30 LOCAL SUPPLY ASSYAA

ABCD5678567877VSX-49TX, VSX-47TXLOCAL SUPPLY ASSY(AWX7887)AACN5805RJ5806RCN5004Q 1/3CN704S 1/55V-5V5.6V5.6V15V20V56V-56V-20V-5.6V5VAA

ABCD1234123478VSX-49TX, VSX-47TXAC PRIMARY ASSY(AWX7834)ABPOWER SW ASSY(AWX7840)ACFL SUPPLY ASSY(AWX7871)AECN5801R3001MCN1001AJCN1803ALCN1005AJPort Ex

ABCD5678567879VSX-49TX, VSX-47TXSP (A) ASSY(AWX7848)ADSTANDBY ASSY(AWX7901)AFJ4801VJ4802XCN1007AJCN3203KCN3002MSpeaker Relay: AUDIO SIGNAL ROUTE (C)(C

ABCD1234123480VSX-49TX, VSX-47TX1004AKP1033POSISTER (L) ASSY(AWX7844)AGDSP DIODE ASSY(AWX7958)AIDIODE ASSY(AWX7841)AKTRANS (A) ASSY(AWX7838)AMTRANS (B

ABCD5678567881VSX-49TX, VSX-47TXFUSE ASSY(AWX7843)ALCN4001AACN1102ABJ1206ADCN1901AE• NOTE FOR FUSE REPLACEMENTFOR CONTINUED PROTECTION AGAINST RISK OF

1112341234CDFABEVSX-AX10i-G2. PCB CONNECTION DIAGRAM2.1 VOLTAGE SEL. and POSISTER(MT) ASSYS PCB PARTS LISTMark No. Description

VSX-49TX, VSX-47TX82NOTE FOR PCB DIAGRAMS :1. Part numbers in PCB diagrams match those in the schematic diagrams.2. A comparison between the main p

VSX-49TX, VSX-47TX83ABCD12341234(ANP7338-B)(ANP7338-B)CN5802RFM/AM TUNER MODULEAFM/AM TUNER MODULEASIDE ASIDE BIC201 Q205Q601Q204Q203IC202Q201Q602Q202

VSX-49TX, VSX-47TX84ABCD12341234BSIDE ASIDE BA/V I/O ASSYB(ANP7389-A)(ANP7389-A)CN5820RCN5821RIC2001IC2002IC2053IC2052IC20514.2 A/V I/O ASSY

VSX-49TX, VSX-47TX85ABCD12341234COMPOSITE ASSYC(ANP7389-A)(ANP7389-A)CN5822RCN3301GQ2107IC2106IC2105IC2102IC2103Q2101Q2105Q2108IC2104Q2104IC2108 IC210

VSX-49TX, VSX-47TX86ABCD12341234S-VIDEO ASSYD(ANP7389-A)(ANP7389-A)CN3302GCN5823RIC2309IC2308Q2303Q2302IC2305IC2306IC2302IC2301IC2304IC2307IC2303Q2301

VSX-49TX, VSX-47TX87ABCD12341234V-CONVERT ASSYE(ANP7389-A)(ANP7389-A)CN3304GCN5825RQ2857Q2855Q2980Q2902Q2901IC2858IC2854Q2852Q2851IC2852IC2851Q2904 Q2

VSX-49TX, VSX-47TX88ABCD12341234COMPONENT ASSYF(ANP7389-A)(ANP7389-A)CN5824RCN3303GQ2502 Q2501IC2508IC2505IC2506 IC2503Q2504Q2508Q2506Q2505Q2509Q2507I

VSX-49TX, VSX-47TX89ABCD12341234G4.7 VIDEO CONNECT ASSYSIDE BSIDE AVIDEO CONNECT ASSYG(ANP7390-A)(ANP7390-A)CN2852ECN2502FCN2306DCN2102C

VSX-49TX, VSX-47TX90ABCD123412344.8 MIC AMP, MIC & OPT, RFONT A/V and HEADPHONE ASSYSH IJSIDE AKHEADPHONE ASSYKMIC AMP ASSYHMIC & OPT ASSYIFRO

VSX-49TX, VSX-47TX91ABCD12341234SIDE BH IJKHEADPHONE ASSYKMIC AMP ASSYHMIC & OPT ASSYIFRONT A/V ASSYJ(ANP7390-A)(ANP7390-A)(ANP7390-A)(ANP7390-A)

1212341234CDFABEVSX-AX10i-GSIDE ASP(B) ASSYAJAOABABAD13151711015TUBE SIDE312451231 51111 7 1101 5CN1006W168W136W133CN1007W171W169W162W163W123W137W122W

VSX-49TX, VSX-47TX92ABCD123412344.9 ANALOG IN & A/D ASSYLSIDE AANALOG IN & A/D ASSYL(ANP7390-A)CN5815RCN5816RCN5814RIC3481IC3461IC3441IC3421IC

VSX-49TX, VSX-47TX93ABCD12341234LSIDE BANALOG IN & A/D ASSYL(ANP7390-A)IC3901

VSX-49TX, VSX-47TX94ABCD12341234DISPLAY ASSYMINPUTSEL ASSYNFL SUPPLY ASSYSTANDBY ASSYCN1803AEAFAL(ANP7390-A)(ANP7388-A)(ANP7388-A)Q3054Q3053IC3062Q500

VSX-49TX, VSX-47TX95ABCD56785678SIDE APOMULTI JOG ASSYOVOL ASSYP(ANP7390-A)(ANP7390-A)(ANP7390-A)CN5807RQ3003Q3063Q3062Q3002 IC3061Q3061M

VSX-49TX, VSX-47TX96ABCD12341234MPODISPLAY ASSYMMULTI JOG ASSYOVOL ASSYPAE(ANP7390-A)(ANP7390-A)IC3001

VSX-49TX, VSX-47TX97ABCD56785678MSIDE BNAE AFINPUTSEL ASSYNFL SUPPLY ASSYSTANDBY ASSYAEAF(ANP7390-A)(ANP7388-A)(ANP7388-A)(ANP7390-A)

VSX-49TX, VSX-47TX98ABCD123412344.11 VR & PRE OUT ASSYQSIDE AVR & PRE OUT ASSYQAA(ANP7392-A)CN5817RCN5818RCN5819RCN4811YJ4004CN4802CN4801XVIC5

VSX-49TX, VSX-47TX99ABCD12341234QSIDE BVR & PRE OUT ASSYQ(ANP7392-A)

VSX-49TX, VSX-47TX100ABCD12341234MOTHER ASSYRCN3201ICN6904(47TX)UCN6004(49TX)UCN3001MCN3207HCN6903(47TX)UCN6003(49TX)UCN701SCN3403LCN5003QQ5809Q5810IC

VSX-49TX, VSX-47TX101ABCD56785678RSIDE AABAAAA(ANP7392-A)CN1104CN2851ECN2501FCN2705ACN2101CCN2001BCN2002BCN5001QCN5002QCN702SCN703SCN4004CN4003CN3402L

1312341234CDFABEVSX-AX10i-GNEINPUT SELASSY(AWX7868)FL SUPPLYASSY(AWX7871)FUSE ASSY(AWX7843)TRANS (B) ASSY( AWX8057 )AEALAKANTRANS (A) ASSY(AWX7838)SP

VSX-49TX, VSX-47TX102ABCD12341234RQ5814Q5813Q5805IC5806IC5807

VSX-49TX, VSX-47TX103ABCD56785678RSIDE BMOTHER ASSYR(ANP7392-A)IC5808IC5801IC5809IC5807

VSX-49TX, VSX-47TX104ABCD12341234SSIDE A4.13 DSP ASSYDSP ASSYSAA(ANP7393-A)J4001CN5811RCN6902(47TX)UCN6002(49TX)UCN501TCN502TCN5901(47TX)UCN5001(49TX)

VSX-49TX, VSX-47TX105ABCD12341234SIDE BSDSP ASSYS(ANP7393-A)IC203Q213Q211Q212IC204Q202 Q201Q204IC104IC106IC105IC205Q203IC103 IC102Q208Q209Q101Q102

VSX-49TX, VSX-47TX106ABCD12341234SIDE A4.14 DAC10 ASSY (VSX-49TX ONLY)UDAC10 ASSYU(ANP7394-A)CN5812RCN5813RCN707SCN706SIC6302IC6061IC6062IC6304 IC630

VSX-49TX, VSX-47TX107ABCD12341234USIDE BDAC10 ASSYU(ANP7394-A)Q6310Q6309Q6210Q6209Q6110Q6109Q6410Q6409

VSX-49TX, VSX-47TX108ABCD123412344.15 DAC8 ASSY (VSX-47TX ONLY)USIDE ADAC8 ASSYU(ANP7416-A)CN5812RCN5813RCN707SCN706SIC6961IC6962IC6702 IC6704IC6701

VSX-49TX, VSX-47TX109ABCD12341234USIDE BDAC8 ASSYU(ANP7416-A)Q6702Q6701Q6602Q6601Q6502Q6501Q6802Q6801

VSX-49TX, VSX-47TX110ABCD123412344.16 DSP3 ASSY (VSX-49TX ONLY)SIDE ATSIDE BDSP3 ASSYT(ANP7417-B)(ANP7417-B)CN402SCN708SIC507IC502IC503IC504IC501 IC50

VSX-49TX, VSX-47TX111ABCD12341234SIDE AVPOWER AMP (L) ASSYPOSISTER (L) ASSYVAGADADAD(ANP7391-B)CN5006QCN4809YCN4807WIC4403IC4401IC4402IC4602IC4603IC43

1412341234CDFABEVSX-AX10i-GA/V FunctionSelector FBR9069(DVD)(DVD)(DVD)(DVD) (DVD)(FV)(FV)(F)(REC)(REC)(REC)(REC)(REC)(MIC)(MIC)(F)(MIC)(DVD)(DVD)3.2 A

VSX-49TX, VSX-47TX112ABCD12341234SIDE BVPOWER AMP (L) ASSYVPOSISTER (L) ASSYAG(ANP7391-B)Q4801Q4401Q4404Q4402Q4601Q4304Q4604Q4301Q4602IC4101 IC4301IC

VSX-49TX, VSX-47TX113ABCD12341234SIDE A4.18 POWER AMP (R) and POSISTER (R)ASSYSPOWER AMP (R) ASSYXPOSISTER(R) ASSYAHADADAD(ANP7391-B)CN5006QCN4806WCN4

VSX-49TX, VSX-47TX114ABCD12341234SIDE BXPOWER AMP (R) ASSYXPOSISTER (R) ASSYAH(ANP7391-B)Q4704Q4702Q4501Q4504Q4502Q4201Q4802Q4302Q4202Q4806Q4804IC4501

VSX-49TX, VSX-47TX115ABCD123412344.19 POWER AMP (C), POWER AMP (BR) and POWER AMP (G) ASSYSZYWPOWER AMP (BR) ASSYYPOWER AMP (G) ASSYZPOWER AMP (C) ASS

VSX-49TX, VSX-47TX116ABCD12341234LOCAL SUPPLY ASSYALCN704AADSP DIODE ASSYAIAN(ANP7391-B)CN1802SCN5805CN5004RJ5806RQCN1701IC4047 IC4046IC4041IC4042IC4

VSX-49TX, VSX-47TX117ABCD12341234AASIDE BLOCAL SUPPLY ASSYAADSP DIODE ASSYAI(ANP7391-B)Q4054AI

VSX-49TX, VSX-47TX118ABCD12341234POWER SW ASSYSP (A) ASSYAC PRIMARY ASSYADABAJAJAJABACAD(ANP7388-A)KCN1103ToMAIN CAPACITORCN1007RCN5801CN1205CN3203XCN

VSX-49TX, VSX-47TX119ABCD12341234SIDE BABAC ADPOWER SW ASSYSP (A) ASSYAC PRIMARY ASSYABACAD(ANP7388-A)Q1102 Q1104Q1103Q1101Q1208Q1209 Q1206 Q1204 Q120

VSX-49TX, VSX-47TX120ABCD12341234ALAKT1POWERTRANSFORMERTRANS (A) ASSYTRANS (B) ASSYFUSE ASSYDIODE ASSYAEAAAAAKAMANAL(ANP7388-A)(ANP7388-A)(ANP7388-A)C

VSX-49TX, VSX-47TX121ABCD123412344.23 SP(B) ASSYAJSP (B) ASSYADABABAJ(ANP7388-A)(ANP7388-A)CN1102CN1101AC INAC OUTLETPOWER TRANSFORMERQ1001Q1002Q1004

1556785678CDFABEVSX-AX10i-GA/V I/O ASSY (AWX7940)CN5821CN5820A/V MR FunctionSelector FB FB: AUDIO SIGNAL ROUTE (DVD)(DVD): AUDIO SIGNAL ROUTE (REC)(RE

Mark No. Description Part No. Mark No. Description Part No.122VSX-49TX, VSX-47TX5. PCB PARTS

Mark No. Description Part No. Mark No. Description Part No.123VSX-49TX, VSX-47TXA/V I/O ASSY

Mark No. Description Part No. Mark No. Description Part No.124VSX-49TX, VSX-47TXVIDEO CONNEC

Mark No. Description Part No. Mark No. Description Part No.125VSX-49TX, VSX-47TX FM/AM

Mark No. Description Part No. Mark No. Description Part No.126VSX-49TX, VSX-47TXCAPACITORSC2

Mark No. Description Part No. Mark No. Description Part No.127VSX-49TX, VSX-47TXC2922 CKSRYB

Mark No. Description Part No. Mark No. Description Part No.128VSX-49TX, VSX-47TXRESISTORSAll

Mark No. Description Part No. Mark No. Description Part No.129VSX-49TX, VSX-47TX ANALO

Mark No. Description Part No. Mark No. Description Part No.130VSX-49TX, VSX-47TX INPUT

Mark No. Description Part No. Mark No. Description Part No.131VSX-49TX, VSX-47TXCN5002 9P SO

1612341234CDFABEVSX-AX10i-GCOMPOSITE ASSY (AWX7944)I/O Selector(Composite)ClampVideoFunctionSelector(Composite)REC OUT Selector(Composite) FC FC(DVD)(

Mark No. Description Part No. Mark No. Description Part No.132VSX-49TX, VSX-47TXIC107 TC74VH

Mark No. Description Part No. Mark No. Description Part No.133VSX-49TX, VSX-47TXCN709 16P PL

Mark No. Description Part No. Mark No. Description Part No.134VSX-49TX, VSX-47TX DSP3

Mark No. Description Part No. Mark No. Description Part No.135VSX-49TX, VSX-47TXL6101-L6104,

Mark No. Description Part No. Mark No. Description Part No.136VSX-49TX, VSX-47TXC4801,C4803

Mark No. Description Part No. Mark No. Description Part No.137VSX-49TX, VSX-47TXRESISTORSR43

Mark No. Description Part No. Mark No. Description Part No.138VSX-49TX, VSX-47TXQ1103 DTC124

Mark No. Description Part No. Mark No. Description Part No.139VSX-49TX, VSX-47TXCAPACITORSC1

Mark No. Description Part No. Mark No. Description Part No.140VSX-49TX, VSX-47TX FU

141VSX-49TX, VSX-47TX7. GENERAL INFORMATION7.1 DIAGNOSIS7.1.1 Test Mode• How to Enter the Test ModeWith the attached Remote Control Unit.1. Press the

1756785678CDFABEVSX-AX10i-GCN3301GCN58226dB AMP.Port ExpanderPort ExpanderOSDOSDInput-Selector FCR F: VIDEO SIGNAL ROUTE: VIDEO SIGNAL ROUTE (OSD)(OSD

142VSX-49TX, VSX-47TXThe reception points on the line:AM : 1008 kHzFM : 89 MHz∗ If this code is issued during auto scanning, it merely causes theopera

143VSX-49TX, VSX-47TXIf the port becomes "L" within 3 seconds, the unit resetsautomatically.(2) Transformer temperature rise controlValid wi

144VSX-49TX, VSX-47TXmetIesopruPdohteMnoitceteDssecorPgninraWnoitacidnIskrameRhtroNaciremAnapaJeporuElareneGsaerAnoitcetedCDtcefed(egamadreifilpmatcet

145VSX-49TX, VSX-47TX7.1.3 DISASSEMBLY×21×31×311Exterior BlockRemove the Top Plate BK (Screws × 13)3Remove 9 screws and three connectors4Remove four s

146VSX-49TX, VSX-47TX5411Rear Panel BlockRemove screws (× 33)223Remove the connector from SP (B) Assy3Remove screws (× 26)4Remove six connectors from

147VSX-49TX, VSX-47TX1DSP and DAC BlockRemove 6 screws2Remove the Shield Case B6Remove two PCB Frame B (Screws × 4)7Remove two Wire Clip8Remove the sc

148VSX-49TX, VSX-47TX1Front Panel BlockRemove screws (× 15)2Remove the Front Panel Block6DISPLAY AssyMMULTI JOGAssyOVOL AssyPMIC AMPAssyPHEADPHONEAssy

149VSX-49TX, VSX-47TX• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.

150VSX-49TX, VSX-47TX• Pin Function.oNemaNniPO/InoitcnuFniPevitcA1– O .dexif"L"CN2– O .dexif"L"CN3TSR4931O .dexif"L")des

151VSX-49TX, VSX-47TX.oNemaNniPO/InoitcnuFniPevitcA15E2504AO hckcabdnuorrusfo1langislortnocgnihctiwstuptuO25F2504AO hckcabdnuorrusfo2langislortnocgnih

1812341234CDFABEVSX-AX10i-G3.4 V-CONVERT ASSYCN3304GClock Gen.Y/C Sep.0dB Buffer0dB BufferCHROMA DecoderMN1093NF FE2SC40812SC4081Q2905Q2957UN5212UN521

152VSX-49TX, VSX-47TX PD5686A (DISPLAY ASSY : IC3001) • Display Microcomputer• Pin Assignment (Top view)1FL SWP75/AN52MR SWP74/AN43KEY1P73/AN34KEY

153VSX-49TX, VSX-47TX• Pin Function.oNemaNniPO/InoitcnuFniP.oNemaNniPO/InoitcnuFniP1WSLFO FFO/NOylppusrewopLF14CNL/OnoitcennocnoN2WSRMO REHTO/REENOIPR

154VSX-49TX, VSX-47TX PD5687A (DSP ASSY : IC701) • DSP Microcomputer• Pin Function.oNemaNniPO/InoitcnuFniP1ISOM2PSDO tuptuoatadnoitacinummocPSDdn2

155VSX-49TX, VSX-47TX.oNemaNniPO/InoitcnuFniP1591AOCN2581AOnoitacinummocyromemhsalffotuptuosserddA3571A4561A5551A6541A7531A8521A9511A0601A169A26ccV−cc

156VSX-49TX, VSX-47TX BU4094BCFV (DSP ASSY : IC703) • Expansion IC• Pin Function.oNemaNniPO/InoitcnuFniP1BTSItupniebortS2ATADI tupniatadlaireS3KCO

157VSX-49TX, VSX-47TX BU4094BCFV (DSP ASSY : IC705) (VSX-49TX only) • Expansion IC• Pin Function.oNemaNniPO/InoitcnuFniP1BTSItupniebortS2ATADI 2CI

158VSX-49TX, VSX-47TX1-1A 2-1A 3-1A 4-1A 5-1A1-2A 2-2AS13-2A 4-2A 5-2A1-3A 2-3A 3-3A 4-3A 5-3A1-4A 2-4A 3-4A 4-4A 5-4A1-5A 2-5A 3-5A 4-5A 5-5A1-6A 2-6

159VSX-49TX, VSX-47TXAnode Connection17Gd to 17Ga 16G to 2G 1Gc to 1Ga 17Gd to 17Ga 16G to 2G 1Gc to 1GaP1 1-1A − P37 − 1-1BP2 2-1A − P38 − 2-1BP3 3-1

VSX-49TX, VSX-47TX1607.3 REMOTE CONTROL UNIT7.3.1 AXD7295 (for VSX-49TX)7.3.1.1 EXPLODED VIEWS AND PARTS LISTNOTES:• Parts marked by "NSP" a

VSX-49TX, VSX-47TX1611 • • • • •2 PCB Assy AZC72993 • • • • •4 • • • • •5 Terminal A 411RRC15801R6 Terminal B 411RRC15901R7 Jumper Cable E–AA1446–0018

1956785678CDFABEVSX-AX10i-GV-CONVERT ASSY (AWX8161 /SDLPW), (AWX8162/SF)CN5825Y 0dB BufferC 0dB BufferY/C MIXY Invert BufferOSD SW (C)OSD SW (Y)PortE

VSX-49TX, VSX-47TX162ABCD12341234Q112SK2009Q12DTC114YKAIC3Z-V0660-02419Q10DTA114YKAQ9DTA114YKA18 17 16 15 14 1312 11 10 9 8 76 5 4 3 2 1R22100kQ132SC2

VSX-49TX, VSX-47TX163ABCD56785678C160.1C50.1VDDVOINVCLKVSTRBVOUT8765VSSON/OFFCONTVIN1234CL2031-1ELMODULEHONGNDR451kR30X1 8MHzR511k1234567891011121314

VSX-49TX, VSX-47TX164ABCD12341234SW1JP5(H)JP2(H)BATBATRESETCN1CN3CN2BZCN41917181110R49R51C2Q7IC9C20C22C21C23R36IR2IR1IR3R35R34R33R32R13R4R5Q8Q5C25D3D5

VSX-49TX, VSX-47TX165ABCD12341234SIDE BK1K2K12K13K18K6K7ELHONGNDVDD

VSX-49TX, VSX-47TX1667.3.2.1 EXPLODED VIEWS AND PARTS LISTNOTES:• Parts marked by "NSP" are generally unavailable because they are not in ou

VSX-49TX, VSX-47TX167ABCD12341234SIDE A SIDE B7.3.2.2 PCB DIAGRAM

VSX-49TX, VSX-47TX168ABCD123412347.3.2.3 SCHEMATIC DIAGRAMLCDIC2NJU6469LFC1-05IC6TS7S04FIC3IC6IC1M30622MC-4J0FPIC4CCMMKCOM16COM15COM14COM13COM12COM11C

VSX-49TX, VSX-47TX169ABCD56785678IC474HC08IC5S-93C56AFJEEPROMP40P41P42P43P97P97P97P973515031304561872C10P44P45P46P47P50P51P52P53P54P07P07P07P07P07P07P

VSX-49TX, VSX-47TX1707.3.2.4 PCB PARTS LISTNOTES:•The mark found on some component parts indicates the importance of the safety factor of the part.T

171VSX-49TX, VSX-47TX8.1 PANEL FACILITIES8. PANEL FACILITIES AND SPECIFICATIONS Front Section (VSX-49TX)All the controls on the front panel are explai

212341234CDFABEVSX-AX10i-G1. CONTRAST OF MISCELLANEOUS PARTSParts marked by "NSP" are generally unavailable because they are not in our Mast

2012341234CDFABEVSX-AX10i-GDISPLAY ASSYSwitchesS3081 : ACOUSTIC CAL.S3082 : MIDNIGHTS3083 : LOUDNESSS3084 : SIGNAL SELECTS3085 : SP SYSTEM A/BS3086 :

172VSX-49TX, VSX-47TX13 TONE control buttonsTONE buttonThis button switches between TONE ON andTONE BYPASS, which bypasses the tonecircuitry.BASS/TREB

173VSX-49TX, VSX-47TXVSX-47TXPHONESSP SYSTEMA/BSIGNALSELECTVIDEOSELECTTAPE2MONITORSETUPMICDIGITAL INS-VIDEO VIDEOVIDEO INPUTAUDIOLRMIDNIGHTTONETONEBAS

174VSX-49TX, VSX-47TX Display (VSX-49TX)All the display information is explained and /or referenced here.DIGITALPRO LOGIC2chPLAYBACKMPEGDISC MTRXNeo :

175VSX-49TX, VSX-47TX Remote Control Unit (VSX-49TX)These pages describe the buttons on the remote control used to operate the receiver. Since the scr

176VSX-49TX, VSX-47TXBasic Receiver LCD ScreensReceiver MAIN Screen188234567MAIN SUB(DVD-A /SACD)DIGITALNRACOUSTICCAL.MIDNIGHT LISTENING MODELISTE

177VSX-49TX, VSX-47TXReceiver SUB Screen-STATUSSPEAKERA/BLOUDNESSINPUTATT.ReceiverMAIN SUBSIGNALSELECTTAPE 2MONITORSYSTEMSETUPDISPLAYDIMMERVIDEOSELECT

178VSX-49TX, VSX-47TX Remote Control Unit (VSX-47TX)These pages describe the buttons on the remote control used to operate the receiver.OFFAV PRE-PROG

179VSX-49TX, VSX-47TXBASS & TREBLE buttonsUse to choose the high or low frequencies toadjust.(+/–) buttonsUse to adjust the high and low frequenc

180VSX-49TX, VSX-47TX8.2 SPECIFICATIONSVSX-49TX : Maintenance of External Surfaces• Use a polishing cloth or dry cloth to wipe offdust and dirt.•

181VSX-49TX, VSX-47TXVideo SectionInput (Sensitivity) ...1 Vp-p/75 ΩOutput (Level/Impedance)...

2156785678CDFABEVSX-AX10i-GN O PCN1902DISPLAY ASSY (AWX8141)OMULTI JOG ASSY(AWX7869)NINPUT SEL ASSY(AWX7868)PVOL ASSY(AWX7870)AEFL DISPLAYREMOTERECEIV

182VSX-49TX, VSX-47TX“AA” IEC LR6batteries x 4Touch pen(AZA7350)Cushion forRemote x 4(AXG7080)FM wire antenna(ADH7010)AM loop antenna(ATB7009)Remote c

2212341234CDFABEVSX-AX10i-GTo Fan MotorMOTHER ASSY(AWX8143/SDLPW)(AWX8144/SF)CN3201ICN3207HCN3001CN2301DCN2501FCN1104ABCN4003AACN4004AAResetICEEPROM F

2356785678CDFABEVSX-AX10i-GCN2101CCN2001BCN2002BCN5002Q 1/3CN5001CN5003Q 1/3FQ 1/3CN3403L 2/3CN3402L 1/3FCN3401L 1/3FCN703S 1/5CN702S 1/5CN701S 1/5CN6

2412341234CDFABEVSX-AX10i-GAB AC AEAC PRIMARY ASSY(AWX7835)ABPOWER SW ASSY(AWX7840)ACCN5801RCN1001AJCN1005AJPort Expander+5V0V60HzFL SUPPLY ASSY(AWX78

2556785678CDFABEVSX-AX10i-GAFADABSTANDBY ASSY(AWX7901)AFCN3002MGSP (A) ASSY(AWX8149)ADJ4801VJ4802XCN1007AJCN3203KSpeaker RelayJ4804AKE7091AKE7090: AUD

2612341234CDFABEVSX-AX10i-GAG AH AI AJ APPOSISTER (L) ASSY(AWX7845)AGDSP DIODE ASSY(AWX7958)AIPOSISTER (R) ASSY(AWX7847)AHCN4812VCN4813XJ4002AASB (B)

2756785678CDFABEVSX-AX10i-GANAMALAKAJDIODE ASSY(AWX7841)AKTo C1To C2TRANS (A)ASSY(AWX7838)AMTRANS (B) ASSY(AWX8057)ANCN4002AAT1POWERTRANSFORMER(ATS732

2812341234CDFABEVSX-AX10i-G4. REMOTE CONTROL UNIT [AXD7298]4.1 CONTRAST OF MISCELLANEOUS PARTSNOTES : ÷ Parts marked by “ NSP ” are generally unavai

ORDER NO.PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, JapanPIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Bea

312341234CDFABEVSX-AX10i-G EXTERIOR SECTIONP11- 1 NSP Top Plate ANE7298 ANE7299 ANE7299P11- 2 Side Alum AAH7095 AAH7093 AAH7093P1

2VSX-49TX, VSX-47TX1. SAFETY INFORMATIONThis service manual is intended for qualified service technicians ; it is not meant for the casual do-it-yours

VSX-49TX, VSX-47TX32.1 PACKING 1 Power Cord ADG70522 FM Wire Antenna ADH70103 AM Loop Antenna ATB70094 Remote Control Unit AX10KU See Contrast tabl

VSX-49TX, VSX-47TX42.2 EXTERIOR SECTIONAABCDDBC11112121222 214232(Shows VSX-49TX)2(Shows VSX-49TX)1220131416425186781719191751910917910171819Refer to

VSX-49TX, VSX-47TX5NSP 1 Top Plate BK ANE72822 Side Alum BK See Contrast table (2)2 Side Plate BK See Contrast table (2)NSP 3 Side Panel Sheet See Con

VSX-49TX, VSX-47TX62.3 CHASSIS SECTIONDEEDCBFFCEEBAA11VSX-49TX ONLY10707094343383927434646312957463030584533435367414143432433455568686865657518434365

VSX-49TX, VSX-47TX71 MOTHER Assy See Contrast tabel (2)2 DIODE Assy AWX78413 TRANS (A) Assy AWX78384 TRANS (B) Assy AWX80575 FUSE Assy AWX78436 MIC AM

VSX-49TX, VSX-47TX82.4 REAR PANEL SECTION131616161614211716161618162311541919223567891011121919220AQLGEFDCBAJADAB2827VSX-49TX ONLY25242926

VSX-49TX, VSX-47TX91 FM/AM TUNER Module AXQ72372 SP (B) Assy AWX78523 AC PRIMARY Assy AWX78344 SP (A) Assy AWX78485 VIDEO CONNECT Assy See Contrast ta

VSX-49TX, VSX-47TX102.5 HEAT SINK SECTION311415815151212121810101111101010101916171717171313161616194561412187912121515152YVXZWAGAH20202121

VSX-49TX, VSX-47TX111 POWER AMP (L) Assy AWX78822 POWER AMP (R) Assy AWX78833 POWER AMP (BR) Assy AWX78854 POWER AMP (C) Assy AWX78845 POWER AMP (G) A

412341234CDFABEVSX-AX10i-GPart No.VSX-49TXi/KU/CARef. No.Symbol and DescriptionRemarksMarkVSX-AX10i-G/SF, /SDLPW REMOTE CONTROL SE

VSX-49TX, VSX-47TX122.6 FRONT PANEL SECTIONFGABCEGDDEFCAB145464646454446433464753493943453735504833275130295128402627403141244149453848363427464646946

VSX-49TX, VSX-47TX131 DISPLAY Assy See Contrast table (2)2 HEADPHONE Assy AWX78743 FRONT A/V Assy AWX79024 MIC & OPT Assy AWX78755 STANDBY Assy AW

ABCD1234123414VSX-49TX, VSX-47TX3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM3.1 BLOCK DIAGRAM3.1.1 Audio BlockAFM/AM TUNERMODULERMOTHERASSY(1/5)LANALOG IN &

ABCD5678567815VSX-49TX, VSX-47TXRMOTHERASSY(5/5)QVR & PRE OUTASSYVPOWER AMP (L)ASSYWPOWER AMP(C) ASSYUDAC 10 ASSY (VSX-49TX)DAC 8 ASSY (VSX-47TX)I

ABCD1234123416VSX-49TX, VSX-47TX3.1.2 Video and Display Blocks14 133 1514 13DS-VIDEO ASSYDCOMPOSITE ASSYRMOTHERASSY(1/2)JFRONT A/VASSYHMIC AMPASSYGVID

ABCD5678567817VSX-49TX, VSX-47TXEV-CONVERTASSYMDISPLAY ASSYRMOTHERASSY (2/2)PVOL ASSYBA/V I/OASSYVSX-49TXOnlyVSX-49TXOnlySR INCN2852(18P)IC2855-1/2TK1

ABCD1234123418VSX-49TX, VSX-47TX3.1.3 Power Supply BlockCN1104(14P)SP (B) ASSYAMAJABACTRANS (A)ASSYAKDIODE ASSYANTRANS (B)ASSYALFUSEASSYAEFL SUPPLYASS

ABCD5678567819VSX-49TX, VSX-47TX87FCOMPONENTASSYGVIDEOCONNECTASSYEV-CONVERTASSYV+5CV-5CCN704(2P)2CN709(16P)2CN501(16P)2CN706(14P)1VD3UVDD5CN5802(13P)C

ABCD1234123420VSX-49TX, VSX-47TXU 1/2, U 2/2DAC 10 ASSY(VSX-49TX : AWK7725)DAC 8 ASSY(VSX-47TX : AWK7726)US 1/5- S 5/5DSP ASSY(VSX-49TX : AWK7719)(VSX

ABCD5678567821VSX-49TX, VSX-47TXNKAEVSX-49TX ONLYSTANDBYASSY(AWX7901)INPUT SELASSY(AWX7868)FL SUPPLYASSY(AWX7871)FUSE ASSY(AWX7843)TRANS (B) ASSY(AWX

512341234CDFABEVSX-AX10i-G÷ EXTERIOR SECTIONSABA7076DEECAABIBP30P090FCCFan HolderRBA1099Wire SaddleSide Frame LSide Wall LTrans LabelTRANS(A)AssyTRANS

ABCD1234123422VSX-49TX, VSX-47TXAFM/AM TUNER MODULE (AXQ7237)(AM)(AM) (AM)(AM)(AM)(AM)(FM)(FM)(FM) (FM)(FM)(FM) (FM)(FM)(FM) (FM)(FM)(FM)(FM)A3.3 FM/A

ABCD5678567823VSX-49TX, VSX-47TXCN5802R: AUDIO SIGNAL ROUTE (TUNER)(TX)(TX)(TX)(TX)(TX)(TX)(TX): AM SIGNAL ROUTE(AM): FM SIGNAL ROUTE(FM): The power s

ABCD1234123424VSX-49TX, VSX-47TXVSX-49TX ONLYVSX-47TXONLYMR MUETON : +4.3VOFF : -20VMRVolumeA/V FunctionSelector(DVD) (DVD)(DVD) (DVD) (DVD) (DVD)(FV)

ABCD5678567825VSX-49TX, VSX-47TXBA/V I/O ASSY(VSX-49TX : AWX7938)(VSX-47TX : AWX7939)CN5821RCN5820RA/V MR FunctionSelector: AUDIO SIGNAL ROUTE (DVD)(D

ABCD1234123426VSX-49TX, VSX-47TXQ21062SC4081Q21012SC4081Q21022SC4081Q21032SC4081Q21072SC4081VSX-49TXONLYVSX-49TXONLYCCOMPOSITE ASSY (VSX-49TX : AWX794

ABCD5678567827VSX-49TX, VSX-47TXQ21052SC4081Q2104UN5212Q21082SC4081CN3301GCN5822R6dB AMP.Port ExpanderPort ExpanderOSDOSDInput-Selector: VIDEO SIGNAL

ABCD1234123428VSX-49TX, VSX-47TXQ23022SC4081Q23032SA1576AVSX-49TXONLYVSX-49TXONLYVideoFunctionSelector(C)VideoFunctionSelector(Y)PortExpanderSync. Sep

ABCD5678567829VSX-49TX, VSX-47TXDS-VIDEO ASSY (VSX-49TX : AWX7948)(VSX-47TX : AWX7949)CN5823RCN3302G6dB AMP.DC SWS/OSD SW(C)S/OSD SW(Y): C SIGNAL ROUT

ABCD1234123430VSX-49TX, VSX-47TXQ28512SA1576AQ28522SA1576AQ28532SC4081Q28542SC4081Q29042SC4081CN3304GClock Gen.Y/C Sep.0dB Buffer0dB BufferCHROMA Deco

ABCD5678567831VSX-49TX, VSX-47TXQ29012SC4081Q29022SA1576AEV-CONVERT ASSY (AWX7952)CN5825RY 0dB Buffer Y Invert BufferC 0dB BufferOSD SW (C)OSD SW (Y)Y

612341234CDFABEVSX-AX10i-G CONTRAST OF PCB ASSEMBLIESAWX7940 and AWX7938 are constructed the same except for the following :A/V I/O ASSYFBMark Symbol

ABCD1234123432VSX-49TX, VSX-47TXQ25012SC4081Q25022SA1576ACN5824RFCOMPONENT ASSY (VSX-49TX : AWX7953)(VSX-47TX : AWX7954)Port ExpanderVideo FunctionSel

ABCD5678567833VSX-49TX, VSX-47TXQ25032SC4081CN2102CCN2306DCN2852EVSX-49TXONLYVSX-49TXONLYGVIDEO CONNECT ASSY(VSX-49TX : AWX7876)(VSX-47TX : AWX7877)6d

ABCD1234123434VSX-49TX, VSX-47TXSETUPMICDIGITAL INCN5804RIMIC & OPT ASSY (AWX7875)JFRONT A/V ASSY (AWX7902)(Y)(Y)(C)(C)(Y)(Y)(C)(C)(Y)(C)(MIC)(MIC

ABCD5678567835VSX-49TX, VSX-47TXPHONESCN1206CN5806RHMIC AMP ASSY (AWX7872)KHEADPHONE ASSY (AWX7874)ADMIC Amp.: C SIGNAL ROUTE: Y SIGNAL ROUTE(Y): VIDE

ABCD1234123436VSX-49TX, VSX-47TXL 1/3ANALOG IN & A/D ASSY (VSX-49TX : AWX7878)(VSX-47TX : AWX7879)2/3LAudio FunctionSelector(TX)(TX)(TX) (TX) (TX)

ABCD5678567837VSX-49TX, VSX-47TXCN5814VSX-49TXONLYRCN5815R3/3L2/3LAudio MR FunctionSelectorA/D ModeSelector: AUDIO SIGNAL ROUTE (PHONE)(PH): AUDIO SIG

ABCD1234123438VSX-49TX, VSX-47TXVSX-49TX : 0VSX-47TX : 270VSX-49TX : 0VSX-47TX : 270VSX-49TX : 220VSX-47TX : 330VSX-49TX : 220VSX-47TX : 330VSX-49TX O

ABCD5678567839VSX-49TX, VSX-47TXVSX-49TXONLYCN5816R1/3L3/3L+3.3VFront A/D ConverterC/SW A/D Converter(at C3493): AUDIO SIGNAL ROUTE (F)(F): AUDIO SIGN

ABCD1234123440VSX-49TX, VSX-47TXL 3/3ANALOG IN & A/D ASSY(AWX7878)(VSX-49TX ONLY)1/3L1/3L1/3L1/3LINPUTATTON : +15VOFF : -15V(S) (S)(S)(S)(S) (S)(S

ABCD5678567841VSX-49TX, VSX-47TX2/3LSurround A/D ConverterSurround Back A/D Converter(at C3495)(at C3497): AUDIO SIGNAL ROUTE (SL)(S): AUDIO SIGNAL RO

712341234CDFABEVSX-AX10i-G COMPONENT ASSYAWX7955 and AWX7953 are constructed the same except for the following:Mark Symbol and DescriptionPart

ABCD1234123442VSX-49TX, VSX-47TXQ3001Q3003UN5212UN5212DISPLAY ASSYSwitchesS3081 : ACOUSTIC CAL.S3082 : MIDNIGHTS3083 : TONES3084 : SIGNAL SELECTS3085

ABCD5678567843VSX-49TX, VSX-47TXQ3051UN5212CN1902MDISPLAY ASSY (VSX-49TX : AWX7864)(VSX-47TX : AWX7865)OMULTI JOG ASSY(AWX7869)NINPUT SEL ASSY(AWX7868

ABCD1234123444VSX-49TX, VSX-47TXC5251, C5252, C5351, C5352, C5451, C5452 :VSX-49TX : 47/35VSX-47TX : 47/25CN5818RAnalogPhantom(F)(F)(F)(F)(F)(F)(F)(F)

ABCD5678567845VSX-49TX, VSX-47TXVSX-49TX : 47/35VSX-47TX : 47/25VSX-49TX : 47/35VSX-47TX : 47/25VR & PRE OUT ASSY (VSX-49TX : AWX7888)(VSX-47TX :

ABCD1234123446VSX-49TX, VSX-47TXVR & PRE OUT ASSY(VSX-49TX : AWX7888)(VSX-47TX : AWX7917)Q 2/31/3Q1/3Q1/3QFront Main VolumeC/SW Main VolumePre-Amp

ABCD5678567847VSX-49TX, VSX-47TX3/3QON : +3.4VOFF : -20VAMUTE2: AUDIO SIGNAL ROUTE (F)(F): AUDIO SIGNAL ROUTE (C)(C)(F)(F) (F)(F)(F)(C)(C)(C)(C)(C)(C)

ABCD1234123448VSX-49TX, VSX-47TX1/3Q1/3Q1/3QSurroundMain VolumePre-Amp.Surround BackMain Volume: AUDIO SIGNAL ROUTE (F)(F): AUDIO SIGNAL ROUTE (C)(C):

ABCD5678567849VSX-49TX, VSX-47TXVR & PRE OUT ASSY(VSX-49TX : AWX7888)(VSX-47TX : AWX7917)Q 3/32/3QCN4801VCN4802XSurround BackSelectorON : +3.4VOFF

ABCD1234123450VSX-49TX, VSX-47TXQ5808UN5112Q58052SC5174PRMOTHER ASSY(VSX-49TX : AWX7890)(VSX-47TX : AWX7891)CN2851ECN2705ACN3201ICN3207HCN3001MCN2301D

ABCD5678567851VSX-49TX, VSX-47TXQ5817UN5212Q5818UN5112Q5807UN5212UN5112UN511LQ5809Q5810CN2101CCN2001BCN2002BCN5002Q 1/3CN5001Q 1/3CN5003Q 1/3CN3403L 2

812341234CDFABEVSX-AX10i-GIC3901BU4052BCF Not usedD3901, D3902UDZS6.2B Not usedC3951, C3952 CEAT100M50 Not usedC3953, C3954 CKSRYB473K50 Not usedR3951

ABCD1234123452VSX-49TX, VSX-47TXVSX-49TXONLYVSX-49TXONLYVSX-47TXONLYVSX-49TXONLYVSX-49TXONLYVSX-49TXONLYIC701PD5687ADSP ASSY(VSX-49TX : AWX7719)(VSX-4

ABCD5678567853VSX-49TX, VSX-47TXVSX-49TXONLYVSX-49TXONLYVSX-49TXONLYVSX-49TXONLYVSX-47TXONLYVSX-47TXONLYVSX-47TXONLYVSX-49TXONLYVSX-49TXONLYVSX-49TXON

ABCD1234123454VSX-49TX, VSX-47TXQ2012SC2412K(QR)123123Q2022SC2412K(QR)Q2092SC4081123123Q2032SA1037K(QR)123123123Q2102SB1197K(QR)Q2122SB1197K(QR)Q2132S

ABCD5678567855VSX-49TX, VSX-47TXQ2042SA1037K(QR)123DSP ASSY(VSX-49TX : AWX7719)(VSX-47TX : AWX7720)S 2/53/5SRF DemodulatorSRAM: AUDIO SIGNAL ROUTE (DI

ABCD1234123456VSX-49TX, VSX-47TX2SB1197(QR)Q102DTC124EKQ101231231VSX-49TXONLYVSX-49TXONLYVSX-49TX : AKB7148VSX-47TX : VKB1160AKB7148VSX-49TXONLYVSX-

ABCD5678567857VSX-49TX, VSX-47TXVSX-49TXONLYVSX-49TXONLYVSX-49TXONLYVSX-47TXONLYVSX-47TXONLYVSX-49TX : 100VSX-47TX : 33DSP ASSY(VSX-49TX : AWX7719)(VS

ABCD1234123458VSX-49TX, VSX-47TXDSP ASSY (VSX-49TX : AWX7719)(VSX-47TX : AWX7720)S 4/51/5S3/5S5/5SAYW7014(MBM29LV160T-90PFTN)3.3VFlash ROM(C)(S)(SB)(F

ABCD5678567859VSX-49TX, VSX-47TX1/5S: AUDIO SIGNAL ROUTE (C)(C): AUDIO SIGNAL ROUTE (S)(S): AUDIO SIGNAL ROUTE (SB)(SB): AUDIO SIGNAL ROUTE (F)(F)(C)(

ABCD1234123460VSX-49TX, VSX-47TXVSX-49TXONLYVSX-47TXONLYVSX-47TXONLYVSX-47TXONLYVSX-47TXONLYVSX-47TXONLYVSX-47TXONLYVSX-47TXONLYVSX-49TXONLYVSX-49TXON

ABCD5678567861VSX-49TX, VSX-47TXDSP ASSY (VSX-49TX : AWX7719)(VSX-47TX : AWX7720)S 5/5SRAMSRAMDSP23.3V1.8V: AUDIO SIGNAL ROUTE (C)(C): AUDIO SIGNAL RO

912341234CDFABEVSX-AX10i-GQ5809 UN5112 Not used Not usedQ5811 Not used RN4903 RN4903Q5812 Not used RN1903 RN1903Q5813 Not used 2SC5174P 2SC5174PQ5814

ABCD1234123462VSX-49TX, VSX-47TXCN708S 1/5CN402S 1/5Flash ROM3.3V(C)(S)(SB)(F)(C)(S)(SB)(F)(C)(S)(SB)(F)(C)(S)(SB)(F)(C)(S)(SB)(F)(C)(S)(SB)(F)(C)(S)(

ABCD5678567863VSX-49TX, VSX-47TXDSP3 ASSY (AWK7727)T: AUDIO SIGNAL ROUTE (C)(C): AUDIO SIGNAL ROUTE (S)(S): AUDIO SIGNAL ROUTE (SB)(SB): AUDIO SIGNAL

ABCD1234123464VSX-49TX, VSX-47TXU 1/2DAC 10 ASSY (AWK7725)CN5812RCN706S 1/5CN707S 1/52/2U2/2UFront Digital FilterC/SW Digital FilterD/A ConverterD/A C

ABCD5678567865VSX-49TX, VSX-47TXCN5813R2/2UGain Control Volume: AUDIO SIGNAL ROUTE (C)(C): AUDIO SIGNAL ROUTE (S)(S): AUDIO SIGNAL ROUTE (SB)(SB): AUD

ABCD1234123466VSX-49TX, VSX-47TX1/2U1/2U1/2USurround Digital FilterSurround BackDigital FilterD/A ConverterD/A ConverterD/A ConverterD/A Converter2200

ABCD5678567867VSX-49TX, VSX-47TXU 2/2DAC 10 ASSY (AWK7725)1/2UGain Control Volume: AUDIO SIGNAL ROUTE (S)(S): AUDIO SIGNAL ROUTE (SB)(SB)(S)(SB)(S)(S)

ABCD1234123468VSX-49TX, VSX-47TXCN706S 1/5CN707S 1/5CN5813RCN5812RD/A ConverterD/A Converter(C)(C)(C)(C)(C)(C)(C)(C)(S)(SB)(F)(F)(F)(F)(F)(F)(F)(F)(S)

ABCD5678567869VSX-49TX, VSX-47TXU 1/2DAC 8 ASSY (AWK7726)2/2UGain Control Volume: AUDIO SIGNAL ROUTE (C)(C): AUDIO SIGNAL ROUTE (S)(S): AUDIO SIGNAL R

ABCD1234123470VSX-49TX, VSX-47TXD/A ConverterD/A Converter(S)(S)(S)(S)(S)(S)(SB)(SB)(SB)(SB)(SB)(SB)(SB)3.27 DAC8 ASSY (2/2) (VSX-47TX ONLY)2/2U

ABCD5678567871VSX-49TX, VSX-47TXU 2/2DAC 8 ASSY (AWK7726)1/2U1/2UGain Control Volume: AUDIO SIGNAL ROUTE (S)(S): AUDIO SIGNAL ROUTE (SB)(SB)(S)(SB)(S)