Pioneer M-73HB, Service Manual

Page 1: ...USTMENTS 22 2 3 4 Typc Powarlrquhn rnt porr Lrfh tbn HEZ AC22OV 24OV l whohabl6 Wrtt Garmsny HB AC 2OV 24OV lwhcheble UnhodKlngdom Chlngothr conn ctlonol tho powcrlrlnlformll ffl sd T2 laadwlra PIONEER ELECTRONIC CORPORATION 4 1 Mesuro 1 chome Mesuro ku rokyo153 Japan PIONEER ELECTnOICSSERVIC lNC PO Box1760 LongBeach California 9080 tU S A PIONEER ELECIaO lcs OFCANADA lNC 505Cochrane Orive Markham...

Page 2: ...NREIJEF BINDER PCBHOLDER SPACER COLOR AARRIER BARRIER SHEET VOL F A grenbly REGAsscnbly HEADPHOM Ars nbty STYROL PROTECTOR STYROL PROTECTOR PACI ING CASE SWArsenbly PACKING SIIEET TERMINALSCREW SHORT PINPLUG PANELBASE FOOT F T INDICATING LENS JOINT IIEAT SINKHOLDER SIDBBOARD R SIDEBOARD L SIDEFRAMBR SIDEFRAMEL TRANS FRAME FRONT PANEL REARPANEL PANELSTAY METALBONMT BOTTOM PLATE PCBHOLDER EARTHPLATE...

Page 3: ...Ar302 2541302 2SC3281 ABA11I5 BBZ3OPO5OFZK A A A A A A A A A 101 TMNSISmR Q8 2sql281 102 Pltsg swITcH RtwER st AsG553 103 POWER TRANSFORMER T1 4Ts1298 IO4 POWER TRANSFORMER T2 ATSI299 105 REINFORCER sEaobly A A A A A A A A A A 86 ELECTROLYTICCAPACIT C1ACII116O E CKA 0 0UAO100V C2 88 FttSE T800MAFU1 89 FUSE T8OOMA FU2 90 FT SB T5A FU3 91 Fr rSE TsA FU 92 FUSE T3 1sA FUs s3 FnsE fTs rsa FU6 9 TMNSIS...

Page 4: ...J Ext rior 83 2 2 vr5 t4 70 t08 t4 t 2 I Y l 4 I E p t 3 r 9T l i n 5 2 N ...

Page 5: ... E F 255 3 to 13 I o 72 t4 I 1i t08 vt7 ...

Page 6: ...B 251 25U EO Class A l output lktlz E DC olr G vl at rc iiotrr tis d Vd0 in L DCwlt4 t ntcd Powtr mA Oc drrrtni t m inpul ign l il0lE Voltas nd current sre shoen in the CLISS I rcde 4 OTHEnS A adiuni g point Th A d land on 5 conDo Ent p tt indic r6 ih im_ oonft ol thc t lctv l ior of D n TtE tlo thm rlgl ing b r i6 or p ns ot i hnri rl d6i Etion m l d c ito l ar d rlEino t h vc parB rumblfs ihi3 i...

Page 7: ...Z 3 0 5 S P R A s s e n b l y A w Z 3 t i i P S a s s e n b r y O415 O 17 REGULATOR A s s e m b l y r A w Z 3 O 1 1 0106 ol 0r oc DETEC ToR l s h n 3 r i r c h i r c L A 5 5 A 3 R E I N F O R C E R A s s e h b l y 1 oo l wz3o19 4 ...

Page 8: ... 5 5 5 5 5 0319 RD15 5A r c r 0 r r c 1 0 2 R c u L A T o R Awz3066 R E G A s s e m b l y i i rJIl3 3 e 3 f oi03 ol 04 R LAY ORIVE O l O A R E L A YO R V E 0 1 0 1 1 0 3 2 5 6 6 3 4 0102 Fr 1203 0104 106 107 2SC2456 0 1 5 2 0 1 0 5 1 5 1 1 5 3 2 S A l0 6 or oa 2sBs50 0 1 0 1 1 0 s 5 5 6 6 0 1 0 5 1 1 1 1 1 5 1 5 5 2 5 2 o 1 1 A 1 2 1 0151 152 0106 113 aODF2FC 2 D r1 5 R O 4 7 E 5 a 2 D117 ROr2ESa2...

Page 9: ...POWER L Assembly AWZ3076I I r r d r i 6 r 6 r r d s o A SP RCHAasemblylAWZ3O68l r l rgl rgL l a t t I lF SP LCHAssemblylAWZ3O67l REINFORCE RAssem ...

Page 10: ...REINFORCE L 6 6 q a l a _ o j _E_ A BF l s 74o r r or oa i1 q1 i s i IJ E o B C 55 6 t o o o l 04 A 1 oj 02 r A L B C E ...

Page 11: ...Z3O69I ___i 1 rr I ll erlf r I h rl lli l l r bf __ __ s 7 HEADPHONE Assembly VOL F Assembly REG Assembly INPUTAssembly AWZ3O65I _ A N P 1 4 0 5 _ A li i i t 3 r r r u 1 t __ t I rn c _ __ a _ J _ Assembly Assembly Y Y ...

Page 12: ...1 2 1 l lo 1 l t l I 1 i i l ir r r i E1 1 i i t F 1 r I q 3 E J I o t l r l A T2 POWER IRANSFORMER A r AC POW RCORD ac 220v 240v 1 2 fi 6OHz ...

Page 13: ...r 3 or o jj ot ot or 1 IJ l cctr l to o I r I i1 i l S L r T 9fr 09 r r rl s r F3ldflo3etiaffT Fi3wog f t l 4 qtMFo zviaF 9fri r r O r r r I l l l llir o t lt l r c lll l l l i l i r l i l4l i I j i q f l 4 r 1 i ts 8 l r l i i l A IA oBoS tSwoq f A voss vossla sNiOa Oe s t ...

Page 14: ...TYIORI 3noHqoA3H r lldmeeeA r i A a O f t q t 4 A i i j 1 t ts r r l ilt F j idl l b l l L l l t c l r i i l l ill l i J d 6 l yldmeeeA 9 n aa06swAl lldmeaaAl JOV yldmeeeAO3fi AAO8SWAI yldmeeeA TU9hl l a r I lldmeeeA XCAt nl9 ...

Page 15: ...J 3CFO1vllSf I L itl I I I lJ Y j r i lSf0eSWAl yldmeaeA R RSWOq yldmeaeA F ...

Page 16: ... l lOtOSSWAl dmeuA J F3W II This P C B connection diagramis viewedfiom the foil sidc mcrrAf 3CROlllER Ir NOO8SWAI yldmorA HCJ qe OO0SWAI yHmcrlA HCF qa r3 o fi f r J ...

Page 17: ...AUDIO FILM CAPACITOR CERAMIC CAPACITOR ELECTROLYTIC CAPACIT MICA CAPACITOR CERAMIC CAPACITOR MICA CAPACITOR ELEC TROLYTIC CAPACIT PL STYRENE CAPACITOR ELECTROLYTIC CAPACIT CARBONFILM RESISTOR CARBONFtr M RESISTOR CARBONFILM RESISTOR CARBONFILM RESISTOR CARBONFILM RESISTOR CAPACITORS TRANSISTOR TRANSIST0R TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISToR TRANSISTOR TRANSISTOR TRANSISTOR TRANSI...

Page 18: ...SA992 2SC1845 2SC2603 2SA1l45 25C2705 2SAl306 2SC3298 25C1845 RD5 6ESB AEL 437 1SS252 AEL 13 1S5252 HZSsALL 1SS252 HZSSAj L 1S5252 cMAt0lJ500 cQsxA222J 160 CFTXArmJ50 POWERR ASSEMBLY AWZ3O78 SEMICONDUCTORS CARBONFILM RESISTOR CARBONFILM RESISTOR CARBONFILM RESISTOR CARBONFILM RESISTOR CARBONFILM RESISTOR RESISTOR 0 33 5W CARBONFILM RESISTOR CARBONFILM RESISTOR CARBONFILM RESISTOR CARBONFILM RESIST...

Page 19: ...223J SEMICONDUCTOR RESTSTOR R6l5 cARBoN FILM RDRI pM z J Q6l5 TRANslsroR 2sc3298 RESISTOR R6l6 CARBONFILM RD1 PM56IJ voL_F ASSEMBLY RESISTOR R6l9 CARBONFILM RDtppM223J RESISTORS RESISToR R2r3 214 CARBONFILM RDRI 4pM2 ZJ R62l CARBONFILM RDL2PM SI RESISTOR RESISTOR F 622 CARBONFILM RD1 4PM470J vR20t vR Acw1o06 RESISTOR R521 CARBONFILM RD1 4PM512J RESISTOR R626 CARBON FILM RDV4PM332J REG ASSEMBLY RES...

Page 20: ...0 cl11 c1l3 RESISTORS R2OI 204 CARBONFILM RESISTOR R2O7_2IO CARBONFILM RESISTOR R217 2L8 CARBONFILM RESISTOR R219 220 CARBONFILM RESISTOR R22I 222 CARBONFILM RESISTOR R223 224 CARBONFILM RESISTOR R225 226 CARBONFILM RESISTOR Otherresfutorg PS ASSEMBLY IAWZ3O O SEMICONDUCTORS R1I3 I15 CARBONFILM Rt08 R1r7 RESISTOR CARBONFILM RESISTOR Othcrrcsistor8 Ql0l Q102 Q103 Ql04 Ql05 D116 DILT Dl18 121 DIODE ...

Page 21: ...ESISTOR LESr C0IL ATH100r cAPAcrroRs sw ASSEMBLY c851 853 AUDIOFILM CFTXA 73J50 SwlTCH CAPACITOR c8s5 8s6 ELEcr cArAcrroR cEAsR4 rso s303 swITcH AsDl007 C864 865 CERAMICCAPACIMRCXDYB1O3KsOO C866 867 CERAMICCT PACITOR CrDYM72K500 RESTSTORS PtNJACK ASSEMBLY R8s1 METAToxrDE RslpMFr J cAPAclroRs RESISTOR c20r 208 CERAMIC CAPACITOR CKDyB tglKso R8s3 METALOXIDE RS2LMF10OJ czLl AUDIOFILM CFTXA473J50 RESI...

Page 22: ...V Also adjustYR601on the PowerR assemblyusingthe sameprocedure OutputJP wlre OutputJP wlre 7 Checkthat the voltagedifferencebetweenBIAS TP and the output JP wire on the Power L assemblyis the sameasthat betweenBIAS TP on thereinforcedL assembly andthe outputJPwire onthe PowerL assembly 8 Checkthat the voltagedifferencebetweenBIAS TP and the output JP wire on the Power R assembly is thesame asthatb...

Page 23: ...DES iAIDEFOLARISAITON CrvChi d rd C vdl r d rort 7 Contr6ler que la diffdrence de tension entre le point d essaidepolarisationet le cavalierdesortie deI ensemblegauched alimentationest68alea h diff6rence de tension entre le point d essai de polarisationdel ensemblegauchede renfort et le cavalierdesortiedel ensemblegauched alimenta tion 8 Controler que la diff rence de tension entre le point d essa...

Page 24: ...tensi6n entre el punto de prueda de polarizaci6nY el cadle de puenteadode salidaen el conjunto izquierdo de alimentaci6n seasimilar comotraqueexisteentre el punto de pruedade polari aci6nen el cotrjunto derechode refuerzo Y el cablede puentcadode salida en el conjrmto iz4uierdo de alimentaci6n 8 Compruebeque la diferenciade tensi6nentseel puntodepruebaY el cabledepuentcadode salida enelconjuntoder...

Page 25: ...usualor they may beunoyailable CONTRAST OFMISCELLANEOUS PARTS TheM 73 HBtypo ls tho aamoa8the M 73 HEZtypo wlth tho sxcoptlonof the followlng soctlons Mrrt Synbol Dcrcibtlon P rt f o Rrm rL M 73D EZttpc M 73 ll rypc A A A A FU l FU2 T8OOmA 25OV FU3 FU4F5A 26OV FU6 fU6 T3 15A 250V AC Pow rcord Scfrw IEARTHI Oporatlng lnltructlons Engll h Germ n Fronch ltall6n Spanl h Dutch Ponugucr6 Swrdllhl Op rrd...

Page 26: ...tsyoulo switchbetwoenClsssA andClsssBamplifier circuits ClassA delivershighsoundquality while switching to ClassB provides hagl grpower output NOTE lf you switch between ClassA aod Classg durihgplay the sound will bemuted for a shon ine and the PROTECTION rcV ERindicator will beohe ed Wait a few socondsuntil h chang4s to yelow CD LINE lNruT LEVEL Control Us this to regulateinputlgvelstrom tho CD D...

Page 27: ... En ove the slprting da dugs and i scn theminto unused t miaals CD LINE OUTPUT terminats Ttle playback signals trom the compact disc plsyer or other audio cornDonont conn cl d to th rea ganol CO DIRECTINPUTor LINE OIRECTlNruT terminals cu rently in use are output hero Connoctto the control ampliti rCD INPUTrerminals lThis sllows rocording ol the COplayback on a tapo deck connect d to the control a...

Page 28: ...kqz 50W I OClass B O oo5 Inputterminrlsls nsitjvity lnput imp danc l CONTROL AMPINruT CDDIRECT INRJT UNE OTRECT tNruT 1 V 40m Fr qlencyrespons CONTROL AMPINRJT CDOIRECT INruT LINE DIRECT INPUT 5 Hz 150kHz 9 dB SNrstio shoncircuit A n6two kl CONTROL AMPINRJT CODIRECT INruT L NE DTRECT NRJT 120d8 Powor 3oction etc Pow6r requiremqnts a c 22OY 5O 6OHZ Power consumption I OOO W E tqnaldimonsions 459 Wl...