Service Manuals, User Guides, Schematic Diagrams or docs for : Pioneer Audio m-73_875

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m-73_875


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                                                                      (v)proruEen'
                                                                                 I ne lurut oI souno ano v|s|on.




                                                                                                                                   ORDER
                                                                                                                                       NO,
                                                                                                                                  ARP2101
STEREO
     POWERAMPLIFIER


M-73
MODELM.73 HAS FOTLOWING
                      VERSIONS
                             :

    Typc                                  Powar lrquhn|rnt                                                    &porr .Lrfh.tbn

     HEZ           AC22OV,24OV l.whohabl6) *                                                Wrtt Garmsny

      HB           AC?2OV,24OV         *
                             {lwhcheble}                                                    UnhodKlngdom

                                                                           {. Chlngo thr conn.ctlonol tho powcr lrlnlformll!    ffl sd T2} laadwlra.


r Thlr manualb appllcableto dro M-73/HEZand HB typer.
. Ar to tho HB typs, refor to page 26.
r Ce manuelpour le rervlce comprondler expllcatlonr de r5glagecn frangalr.
o Elte manualde eervlclotrata dol m6todo alulto olcrfto en erpafiol.




CONTENTS
1 . EXPLODED      VIEWS,PACKING                 AND
    PARTSfST......
             L                                         ....'.'....'.'....2
2 , SCHEMATIC      AND P.C.BOARDS
    c o N N E C T t O N A G R A" . . . ' . . ' . . . . " . . . . ' . . . ' .I. .
                     D|              M
3. P . C . B ' s A R T S I S T . . . . . . . . . ' . . - . . . .-. . . . . . . . 1.7
               P       L     .                         . '                       .
4. A D J U S T M E N T S                                ...'.....'.....22




PIONEER ELECTRONIC CORPORATION               4-1,Mesuro1-chome,  Mesuro-ku,rokyo153,Japan
PIONEER ELECTnOICSSERVIC  lNC. PO. Box 1760,LongBeach, California
                                                                9080'tU.S.A.
PIONEER ELECIaO lcs OFCANADA,lNC. 505Cochrane  Orive,
                                                    Markham, Ontario 8E3Canada
                                                                   L3F
P|O|{EERELECTROiIIC       N.V. Keetberglaan2740Beveren,
                   IEUROPEI               1,            Belgium
PIo|{EERELECTnOMCS          PW. Lm. 178-184
                    AUSTFALIA                Boundary     Braeside,
                                                      Road,               3195,
                                                                   Victoria            TEL:[03]580-9911
                                                                               Auslralia
O PIONEER   ELECTRONIC     CORPORATION       1990                                     YV AUG. 1990Printed in Belgium
1. EXPLODED
          VIEWS,PACKINGAND PARTSLIST
NOTEST
. Pa s veithoutpart number cannot be supplied,
o The A, mark found on some component parts indicaEs the impormnce of the safety
  fsctor of the psrt. Ther4orc, when replacing be sure lo use par/,' of identicol designa-
  tion.
. Partsrrurkcd by "@" are not alwalts kzpt in stock. Their delivery time mty be longer
  than usual or they moy be unavailable.

Pan! llst of Extorlol and packlng
Mrrt    No. Dlcrlptlon                         P.n. ftlo.              Mlrt    No. Darcrhdon               Plrtr l{o.
         I     INPUTAlleobly                  AW23065                          41    SPACER
         2     PS A&lcBbly                    awz3066                          42    COLOR                 AEC1165
               rNOB                           AABT175                          43    AARRIER
         4     PUSHXNOB                       AAD1366                          44    BARRIER
               XNOB(POWER)                    AADI835                          45    SHEET                 AEETOI4
         o     SP-LCH Arrcmbty                AWz3067                          46    VOL-F A-grenbly
         7     NAMEPLATE METAL)               AAMlOOl                          17    REGAsscnbly
         8     SP-RCHArrcnbly                 AWz3068                          48    HEADPHOM Arsnbty
         9     FRONI Arscobly                 AWZ3069                          t9    STYROL PROTECTOR      AIIA1O33
         10          L
               POWER Arscmbly                 AWZm'6                           tu    STYROL PROTECTOR      AIIA1O34

         l1    SCREW                          ABA- 298                         51    PACI{INGCASE          AHDI925
         12    SCREW(STEEL)                   ABAI(x}4                         52    SWArsenbly
         13    SCNEW(STEEL}                   ABAlOO9                                PACKING SIIEET
         1,1   SCREW(STEEL)                   ABA1O11                          5{    TERMINALSCREW
               SCREW(STEEL}                   ABAIOI4                          CD    SHORT PIN PLUG        AKM-O5O

        l6     SCREW (STEEL}                  ABA104?                          to    PANELBASE             AMBI685
        L7     SCREW (STEEL)                  ABAlOil8                         5?    FOOT                  AMRlI58
        18     scREw (STEEL)                  ABAIO50                          58    F@T                   AMR1159
        l9     SCREW                          ABAIOS2                          59    INDICATINGLENS        AMR1160
        20     SCREW (STEEL)                  ABAIOSs                          60    JOINT                 AMRT178

               SCREW                          ABAIOS8                          6t    IIEAT SINKHOLDER      AMR2193
        22     WASHEB                         4.a81009                         62    SIDBBOARD  R          AMSr(Xg
        23     WASEER                         ABFIOIT                          63    SIDEBOARD  L          AMS1050
        u      COILSPRINGA                    A8IIl056                         6{    SIDEFRAMBR
        25     FLANGENUT M9                   A81tu48                          65    SIDEFRAMEL
         26    NUT                            ABN.O65                          66    TRANS.FRAME
         27    PI'LG CORD                     ADEIOlS                          67    FRONTPANEL            ANBT4I9
A      2 a     AC POWER  CORD                 ADGl036                          68    REARPANEL
         29    GROI'ND LEAD                                                    69    PANELSTAY
         30    LEADWIRE                                                        70    METAL BONMT           ANEI253

        3l     I,EADWIRE                                                       7l    BOTTOM  PLATE
        32     SPACERSET                      AEAlOlO                                PCBHOLDER             ANGl4?4
        3i'    CUSHION (RI'BBER)
                       C                                                       ?3    EARTHPLATE
        34     CUSHION GUBBBR)                                                       IIEAT SINI( A
        35     CUSHION (RT'BBER}
                       C                                                       75    HBAT SINKB
               POWER Aaaenbly
                     R                        AW230?8                          '16   IIEAT SINK C
        37     @VER                                                                  SHIELDCASE
        38     STRAINREIJEF                   AEG882                           ?8    SHATT                 ANL1O:!3
        39     BINDER                                                          79    OPERATING  INSTRUCTIONS
                                                                                                           AXE1166
        40     PCBHOLDER                                                       80    PIN JACKAgenbly
Mark t{o. Drrcrlpdon               Pan. ltlo.         Ma*   No.   Dlacrlpdon               Penr No,
      81   BIAS1A!8cobb                               A     96    TRANSISTOR (Q3)          2SA1302
      82   REINFoRCE Asscobly
                     L                                            TMNSISTOR (Q4)
      8:r scREw                    BBZ4OPMOFZK
                                                      A     97                             2SAl302
                                                      A     98    TMNSISMR (Q5)            2SAr302
      U    NUT                     NK9OFCU                        TRANSISMR (Q6)           2541302
      85   SCREW                   VI\'tZ!l0P060FCU
                                                      A     99
                                                      A     1OO   TRANSISTOR (Q7)          2SC3281
A     86   ELECTROLYTIC CAPACIT, C1 ACII116O
                                                      A     101   TMNSISmR (Q8)             2sql281
A     E?   CKA(0.0UAO100V,C2)       A@1003
                                                      A     102   Pltsg swITcH (RtwER, st) AsG553
A     88   FttSE(T800MAFU1)         AEK-0!11                                           (T1)
           FUSE(T8OOMA,
                                                      A     103   POWER  TRANSFORMER 4Ts1298
A     89                FU2)        AEK.O31           A     IO4   POWER                (T2)
                                                                         TRANSFORMER ATSI299
A     90   FT]SB(T5A FU3)           AEK.O15                 105   REINFORCER,{sEaobly
A     91        (TsA,FU{)
           Fr.rSE                   AEK.O15                 106 BIAS 3 Alscnbly
A     92   FUSE(T3.1sA, FUs)        AEK.{N2                 IO7 SCREW(STEEL)               ABA11I5
A     s3   FnsE fTs.rsa FU6)        AEK.(x2
A     9{   TMNSISTOR(QT)            2SC3281
      95   TMNSISTOR(Q2)            2SC3281
                                                            108 scREw                      BBZ3OPO5OFZK
A




packlng




                                                                                                      3
J
    Extrior                                            83
                                                      2 2 \
                                                          vr5

                                                                t4
                                                                 70




                                           t4
                                     t08




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              l4




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                                   " E


                         3 to 13
           F:255
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            '-      72




 t4    I   1i t08


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                                   o
                                         I
I         l              ?   l  E    l  l   l  i   l  z   l    s  l
-                       2. SCHEMATIC
                                   AND P.C.BOARDSCONNECTION DIAGRAM
                                                   INPTJTAs s enb ly (AWz3065)
                                                                                                                                        POi'E R    L

                                                                                                                                        lawz3at6)
                                                        o ? D 1 ,O 2 O ? M U T E I
                                                                                                                                                         RO5.5ESB
                         L INE                                                                                                          D402,405         AEL-43?
                                                                                                                                                         r 5s2s2


                                                                                                                                                          HZSSALL




                                                                                                                                                          2sk3B9NK
                                                                                                                                        a1o2-1o1,         2SC1A45


                                                                                                                                        o.09, .r r, 415   2sA99?
                                                                                                                                        o.1 r, 420        2sc2709
                                                                                                                                        o111..19          2SA1145
                                                                                                                                        o.1s              2sc2603
                                                                                                                                        o421
                                                                                                                                                          2SC329A




                                                 o2o3                            i       ::al:..       i:*11,. ,,it,i
                                                  0201 a^d 0202 oRrvEr                   l:::1
                                                                   M52'APF
                                                             o201.202         25C2A7A
                                                                              2SC17.05
                                        PIN      JACK        D201, 202        153252




                                                                                                                                        PO\JVER      R

                                                                                                                                         (a w z 3 a a )
                                                                                                                                                    l
         r. nEsrsToas:
           lidirl.d in n, %U, 7.W.:5* rc|....E ud6 oth.oi!        not.d k : ka,
           M : Mo, tF) : !rt, lc) : r2*, lKl : J IOX lMl; '20tt tol.r..tcc.                                                             0503.606,          1SS262


        2. CAPACITORS:
           rndin.d in c.prity (! F)/volr|g. lvl u.lc6 oth..wis rlot.d p : pF.
           Indic.tion sirhoor volrTp i. sOV cc.pr .lErrolyri. c+-iror.

         3 . V O L T A G EC U R F E N T :
                          .
             E'signar            voltas at (1251r l25l so (crass B),
                              251 + 25U EO (Class A)l output(lktlz).
             E       : DC\,olr.G (vl at rc iiotrr tis.d.
                       Vd0. in {    ) L DC wlt4.t     ntcd Powtr.                                                                       o5r 3. 620         2SC210S
            mA : Oc drrrtni .t m inpul .ign.l .                                                                                                            25C2603
                                                                                                                                                           25C3234
           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. $r. i6 or. p.ns ot i(hnri.rl d6i!.Etion.
          * m..l.d c?-ito.l      ar|d rlEino.t h|vc parB rumblfs,
                                                                                                          LINEVOLTAGE   SELECTION
          ihi3 i. rhc b.!t .h!fr.r4         di.gr.n, bdalh. -i!al or@rl m.Y v.rY                          (ForllEZ and HB typo3l
          dle    ro improv.6.n$     'n d6'9.r.
                                                                                                          Line voltage caa be cbangedwith {ollowiDg steps.
         S.StITCflES
                Sl:     P0IERSl                                                                           1. Discon[ect the AC power cord.
              FRoilllsserbry                                                                              2. Removethe top cover.
                                                                                                          3. Chagethe connectiou ol the porer h'dnsformerg
                  s30l: cD DInEcT 0!-0FF                                                                     (Tl and T2) lead wire.
                            LIiE DINECT OII.OFF                                                           {, Stick the line voltag label @ tie rcar panel.
                       c0r{Tfi01 0il-qf_t
                               rrP
                                                                                                             Prt    o.      D.rctb&.|
                  s302:sP-l orr-QFF
                                                                                                             AAX-r93        2:lov l.v.l
    6                  sP-8 0i-0FF                                                                           aax-192        2/t()V lcv.l
1                                                                                                  2                         I                               3
               4                                 6



                                              SP-L As s.hb I y   (AWZ305




O415, O"17   REGULATOR




                                Assembly
                          ..r   (AwZ3O11)




                                              SP-R Assenb ly     (AwZ3t




                                                         PS assenb ry (^\
                                                  i,i'




                         REI NFORCE R
                                   Assehbly     0106, ol 0r oc DETEC oR
                                                                   T
                         ,:;1];oo l^wz3o19)    lsh.n 3ri rch ir cLA55A/3




                4
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3067)                                               F R O N TA s s e m b I y ( A W Z 3 O 6 9 )




                                                                                                                                              A




                                                                                                 oaol-ro3                   RN12{,3
                                                                                                 ot01-305                   ALl055
                                                                                                 0306                       aL11r5
                                                                                                 o 3 17 . 3 1 A . 3 2 0 .   155252
                                                                                                 o323.331,332
                                                                                                 0313.314                   55555
                                                                                                 0319                       RD155A

                                                                                                                                              B
3 C5 a )


                                                                  rcr0r. rc102 RcuLAToR

                                                                   REGAssembly




 (Awz30 66)




                   i':;";,i:;rJIl3:3';e:"3,*,,,
                   .+-f
                                                 oi03, ol 04
                                                 RLAY ORIVE




           O l O A R E L A YO R ] V E
           0101,103               256634
           0102                   Fr{1203
           0104. 106. 107.2SC2456
           0152
           0 1 0 5 ,1 5 1 , 1 5 3 2 S A l0 . 6
           or oa                  2sBs50
           0101-10.               s5566
           0 1 0 5 .1 1 , 1 1 1 5 , 1 5 5 2 5 2
                            .
           o11A-121.
           0 1 5 1, 1 5 2
           0106-113                aODF2FC-2
           Dr15
           D117
                                   RO4,7E5a2
                                   R O r2 E S a 2
                                                                                                                                              0




   tl                                                                                            a                                        e   t-
                                                      POWER Assembly(AWZ3076I
                                                           L




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          rgL.&l


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a,."",t
t-" I        -lF



    SP- LCHAssemblylAWZ3O67l




                                                                    A

                                                                  REINFORCEAssem
                                                                          R




   SP- RCHAasemblylAWZ3O68l
                                            REINFORCE
                                                    L

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    HEADPHONE             Assembly(AWZ3O69I
                      FRONT
    Assembly
                                                             1
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                                     _ANP1405_A

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    VOL-F Assembly
                                                                                                 :---"/
                                                                                                     I
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                                                                                          _:; |__-
                       REGAssembly                                                        _'J  ,_,,'
                                         Assembly




                INPUTAssembly{AWZ3O65I




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                                                                                           ac 220v/ 240v
                                                                                                  fi/   6OHz




                                                                               12
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                                              fi-f\
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3 . P . C . B ' sP A R T S I S T
                          L
 NOTES:
. Parts without part number cannot be supplied.
. Perts narked by " @" are not always kept in stock, Their delivery time may be longer than usuol or ,hey msy be unavail-
  able.
c The 8, mark found on some component pafls indicares rhe impormnce of the safetyfactor of the part- Therefore, when
  replacing be sure to us?parts of identical designation.
. Whenordering resistors,frct conven resistancevaluesinto codelorm as shown in thefollowing emmples.
   Ex. I Whenthere arc 2 $ective digits (any digit apan from 0), such as 560ohm and 47k ohm (tolerance is shown by J :
          5%,andK-10%).
          5&A         56 x 10r      561.......................,..            RDI/4P56@fi t
          47kQ        47 x 103      4 7 3 . . . . . . . . . . . . . . . . . .R.D.|./.4 .P S @ @ 6 l
                                                                             . . .
          0.5a        0RJ...............................................RN2H@BEl(
          t9          010................................................Rs1P@tD@(
   Ex. 2    Whenthere are 3 fiective digits (such as in high precision metsl film rcsistors).
            5.62kA 562x t|t                                RNl/45R6 @ A@ F
                                    5621........................

M.?k No.              Drmdptlon                 Pan. ilo.                M.rk    l{o,           Dcrorlptlon         Prnr ttlo.

BIAS 1 ASSEMBLY                                                          CAPACITORS
SEMICONDUCTOR                                                                    c{01           MICA CAPACITOR      cMAl0u500
                                                                                 c402           PL,STYRENE          cQsxAz22J
                                                                                                                            160
      Q415   TRANSISTOR                          2SC3298
                                                                                                CAPACITOR
                                                                                 ol03           AUDIO FILM          CFTXAlo3Jso
                                                                                                CAPACITOR
POWERL ASSEMBLYIAWZ3O76}
                                                                                 c{0{           CERAMIC CAPACITOR   CKDYBI02K5OO
                                                                                 c405           ELECTROLYTIC        cExA33lM2s
SEMICONDUCTOFS                                                                                  CAPACIT
        IC4O1         PHOTOCI'PIJR               rc817CD
                                                                                 C406,407       MICACAPACITOR       cMAl2oJ5o0
                      N.DUAL.FET                 2SK:t89NK                       C4O8           MICA CAPACITOR      cMA22oJsoo
        Q4OT
                      TRANSISTOR                 25C1845                         C41O           ATJDIOFILM          CFTXAlo3Jso
        Q4O2_1A
                      TRANSISTOR                 2SC18{5                                        CAPACIToR
        Q4O6-{M                                                                                                     cMA22oJ50o
                      TRANSISTOR                 2SA992                          cll1           MICA CAPACITOR
        Q4O9
                      TRANSISTOR                 2SCr845                         c4L2           CERAMIC CAPACITOR   CKDYBI02K5OO
        Q41O

                      TRANSISTOR                 254992                          c413           MICA CAPACITOR      cMA050D500
        Q41r                                                                                                        CEXAIOIM2A
                      TRANSIST0R                 2SCt845                         c4l5           ELEC'TROLYTIC
        Q4l2
                                                 25C2?05                                        CAPACIT
        Q413          TRANSISTOR
                                                 2SA1145                         c4l7           PL.STYRENE          cQsxA471J
                                                                                                                            l60
        Q{14          TRANSISTOR
                      TRANSISTOR                 2SA992                                         CAPACITOR
        Q41s                                                                                                        CEXAlOIMzA
                                                                                 c4l8           ELECTROLYTIC
                      TRANSISTOR                 zSCl845                                        CAPACIT
        Q417                                                                                                        cExAl00M50
                      TRANSISToR                 2SC2603                         C42O           ELECTR.CAPACITOR
        Q4l8
        Q{19          TRANSISTOR                 2SA1145
                                                                                 C42I           ELECTR.CAPACITOR    CEAS220M50
        Q420          TRANSISTOR                 2SC2705
                                                                                 C423,424       MICACAPACITOR       cM4680J500
        Q421          TRANSISTOR                 2SAle06
                                                                                 C425           ELBCTROLYTIC        CEHAQ3R3M2A
                                                                                                CAPACIT
           Q422       TRANSISToR                 2SC3298                                                            cKcYxt04M25
                                                                                 c/28           CERAMIC CAPACITOR
           Q425       TRANSISTOR                 2SC1845
                                                                         RESISTORS
           D{01       ZENER DIODE                RDs.6FSB
           D402       ITD(RED)                   AE A3?                          R40l           CARBONFILM          RDRl/2PM1O2J
           Dt03       DIODE                      lss252                                         RESISTOR
           D405       LED(RED}                   AEIA37                          R402           CARBONFtr.M         RDRl/2PM224J
           IXO6       DIODE                      lss252                                         RESISTOR
                                                                                 R40{           CARBONFILM          RDI/4PM122J
           D4O7        ANER DIODE                IIZSsALL                                       RESISTOR
           D{08.{09    DIODE                     1SS252                          R405           CARBON FILM         RDl/4PMTO4J
           DI1O        ZENER DIODE               $zsSArt                                        RESISTOR
           D411.412    DIODE                     lssz52                          R406           CARBONFILM          RDI/lPME20J
                                                                                                RESISTOR

                                                                                                                                 '17
Mlrl   No.        DrrcdDtlon          P! s No.       M.rk No.        Oarcdptlon       PartsNo.
       R407       CARBONFILM          RDU4PMT22I     POWERR ASSEMBLY(AWZ3O78}
                  RESISTOR
                                                     SEMICONDUCTORS
       R408       CARBONFILM          RDI/4PM684J
                  RESISTOR                                IC601      PHOTOCT'PLER     PCSlTCD
       R409       CARBONFILM          RDRI/2PM681J
                  RESISTOR                               Q60l        N.DUAL.FET       2SK38gNK
       R4l0       CARBONFILM          RDRIzPMz23J        Q5o2-604    TRANSISTOR       2SC1845
                  RESISTOR                               Q606-608    TRANSISTOR       2SCl845
       R4l5       CARBONFILM          RDRl/4PM22{J       Q609        TRANSISTOR       254992
                  RESISTOR                               Q6r0        TRANSISTOR       2SCl845

       R{I6       CARBONFILM          RDl/4PM561J        Q6lI        TRANSISTOR       2SA992
                  RESISTOR                               Q6l2        TRANSISTOR       2SC1845
       R4I9,421   CARBONFILM          RDlt2PM223!        Q6l3        TRANSISTOR       25C2705
                  RESISTOR                               Q6l4        TRANSISTOR       2541145
       R422       CARBONFILM          RDI/{PM4?OJ        Q61s        TRANSISTOR       2SA992
                  RESISTOR
       R424       CARBONFILM          RDI/4PM512J        Q6r7        TRANSISTOR       2SC1845
                  RESISTOR                               Q6l8        TRANSISTOR       2SC2603
       R426       CARBONFILM          RD1/4PM332J        Q6r9        TRANSISTOR       2SA1l45
                  RESISTOR                               Q62o        TRANSISTOR       25C2705
                                                         Q62l        TRANSISTOR       2SAl306
       R427       CARBONFILM          RDlI4PM222T
                  RESISTOR                               Q622        TRANSTSTOR       2SC3298
       R428       CARBONFILM          RD1/4PM5l2J        Q62s        TRANSISTOR       25C1845
                  RESISTOR
       R431       CARBONFILM          RD1/4PM122J         D60l       ZENERDIODE       RD5.6ESB
                  RESISTOR                                D602       LED(RED)         AEL.437
       R434       CARBONFILM          RD1/8PMTO2J         D603       D]ODE            1SS252
                  RESISTOR                                D605       LED(RED)         AEL.13?
       R437       CARBONFILM          RD1/4PM4?3J         D606       DIODE            1S5252
                  RESISTOR
                                                          D6O7     ZENERDIODE         HZSsALL
       R447       RESISTOR(0.33,5W)   ACN1075             D608,609 DIODE              1SS252
       R448       CARBONFILM          RDt/{PMF392J        D6IO     ZENERDIODE         HZSSAj-L
                  RESISTOR                                D6ll,612 DIODE              1S5252
       R449       CARBONFILM          RD1/8PM153J
                  RESISTOR                           CAPACITORS
       R450       CARBONFILM          RDl/4PM1O3J         c60l       MICA CAPACITOR   cMAt0lJ500
                  RESISTOR                                c602       PL.STYRENE       cQsxA222J160
       R{51       CARBONFILM          RDl/4PM562J                    CAPACITOR
                  RESISTOR                                c603       AI]DIO FTLM      CFTXArmJ50
                                                                     CAPACITOR
       TH4OI                          AEX-002             c604       CERAMICCA?ACITORCKDYBIO2KsOO
                                                          c605       ELECTROLYTIC    cExA33tM25
       vR401      VR                  ACPr043                        CAPACIT
       vR402      VR                  ACPl&5
                                                          C606,607   MICACAPACITOR    cMAr20J500
                  Otherresistorg      RFAV4PSINDI         C6O8       MICA CAPACITOR   cMA220J500
                                                          C61O       AUDIO FILM       CFTXAl03J50
                                                                     CAPACITOR
                                                          c6l1       MICACAPACTTOR CMA22OJ5OO
        L
REINFORCE ASSEMBLY                                        c612       CERAMIC
                                                                           CAPACITORCKDYBIOzKSOO
CAPACITORS
                                                          c6l3       MICA CAPACITOR   cM4050D500
       C526,527 MICACAPACITOR         CMA221J5OO
                                                                     ELECTROLYTTC     CEXA1OlM2A
                                                                     CAPACIT
RSISTORS                                                             PL.STYRENE       cQsxA{7ur60
       R545.546 FUSLIBLERESISTOR RFA1/4PS4R                          CAPACITOR
       R5{?     RESISTOR(0.33,5W} ACNI075                 c6l8       ELECTROLYTIC     CEXAIOlM2A
       R548     CARBONFILM        RDU4PMF392J                        CAPACIT
                RESISTOR                                  C62O       ELECTROLYTIC     cExAr00M50
                                                                     CAPACIT



1B
Mr]k   No.         Darcrlpflon           Plrtr ltlo.       Mltk    ilo.        Dcrctlptbn            P.nt [tlo'
       C62l        ELECTR.CAPACITOR CEAS220M50                     TH60l      pTC THERMISTOR        AEX-002
       c623,624    MTCACAPACITOR    CM4680J500
       C62s        ELECTROLYTIC     CEHAQ3R3M2A                    vR60l      vR                    ACpt043
                   CAPACIT                                         VR602      vR                    Acpto4s
       C628        CERAMICCAPACITORCKCYXIO4M2S
                                                                              Oth.r r.Bistorr       RFA1/4PSf)UDI
REstSToRS
       R6O1        CARBONFILM            RDRI2PMTO2J
                   RESISTOR
       R6O2        CARBONFILM            RDR1/2PM221J      REINFORCE R ASSEMBLY
                   RESISTOR
                                                           cAPAclroRs
       R604        cARBoN FILM           RDrt4pMLz2J
                   RESISTOR                                        C726,?27 MICACAPACITOR            CMA22IJ5OO
       R5O5        CARBONFILM            RDl/4PMIO4J
                   RESISTOR                                RESISTOBS
       R6O6        CA.RBON  FILM         RDl/{PM8zOJ
                   DEsrs.rnp                                       R?45,746    FUSLIBLE RES$mR      RFAI/{PS4R?J
                                                                   R747        RESISTOR (0,33,5W)   ACNI075
                                                                   R748        CARBON FILM          RD1/4PMF392J
       R607        CARBONFILM            RDI/4PMI22J
                                                                               REsIsroR
                   RESISToR
       R6O8        CARBONFILM            RD'{PM681J
                   RESISTOR
       R6O9        CARBONFILM            RDRI2PM6SU
                                                           B|AS 3 ASSEMBLY
                   RESISTOR
       R6t0        CARBONFILM            RDR12PM223J       SEMICONDUCTOR
                   RESTSTOR                                        Q6l5        TRANslsroR           2sc3298
       R6l5        cARBoN FILM           RDRI/{pM'z{J
                   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
                    RESISTOR
       R627         CARBON FILM          RDLIIPML12!       SEMICoNDUCTORS
                    RESISTOR                                       IC101       REGTLATORIC          M5M8MI2L
       R628         CARBON FILM          RDI/4PMSIZJ               IC102       REGIrLATORIC         M5F?9M12L
                    RFSISTOR
       R63l         CARBONFILM           RD'4PM122J        RESTSTORS
                    RESISTOR
       R $ ,   r C A R B o N F | L M R   D f f i P M 1 0 2 J R l 1 6 C A R B o N F I L M R D 1 2 P M 8 2 I J
                    RESISTOR                                                RESISTOR

       R637        CARBONFILM            RD1/1PM4?3J
                   RESISTOR
       R647        NESTSTOR(0.33,5W}     ACNlO?s           HEAD PHONE ASSEMBLY
       R548        CARBONFILM            RD1/4PMF392J      cAPACtToRS
                   RESISTOR
                                         RDt/8pMlsgJ               C301,302    CERAMIC CAPACIToR cKcYB392K500
       R619        SARBSNFILM
                   RESISTOR
                                         RD1/4PMIO3J       OTHERS
       R65O        CARBONFTLM
                   RESTSTOR                                                    JACK                 AXN1002

       R65I        CARBON FILM           RD1/4PM562J
                   RESISTOR




                                                                                                                  19
Mark ilo.          Dc.c{ptbn         P.n! tlo.      Mark No.           D.rcdptlon         Pr?tr No.
INPUTASSEMBLY{AWZ3O66)                              RELAY
SEMICONDUCTORS                                             RYIOT       RELAY             ASR1001
      IC2OT        OPAMP             M5238PF
                                                    cotL
      Q20r,202 TRANSISTOR            25c2878               LlOl        LINE FILTER        ATFI006
      Q2O3     TRANSISTOR            2SCt7{0S
                                                    GAPACITORS
      D2OL202 DIODE                  1SS2s2
      D2Oi'   ANER DIODE             RD4.3ESB              C101.102    ELECTR.CAIACITOR CEASl02M2s
                                                           CIO3        EIJCTR.CAPACITOR CEAS{Rru50
RELAIES                                                    CIO{,105    ELECTR.CAPACIMR cEAS470M16
                                                           C1O6        EIJCTR.CAPACITOR CEAS101M25
      RY2O1,2O2
              REI.AY                 ASR10l8               C1O7        ELECTROLYTIC     CBAS471M6
                                                                       CAPACIT
CAPACITORS
      c209,zto ELECTROLYTIC          CEYAlOOMSO            cl@         ELECTR.CAIACTTORCEASl0rMl6
                   CAPACIT                                 cr09        EI,ECTROLYTIC      cEANP3,itoMitS
                                                                       CAPACIT
RESISTORS                                                  cll0        ELECTR.CAPACITORCEAS3R3MSO
                                                           cl11        cI(A (0.01/AC400V) ACGl002
      R2OI-204 CARBONFILM            RDRI/{PM22IJ                      cKA (0.0v4c400v)
               RESISTOR
      R2O7_2IO CARBONFILM            RDRV4PM224J           c1l3        IVfYI'R FILM    CQMA104K250
               RESISTOR                                                CAPACITOR
      R217,2L8 CARBONFILM            RDRr/4PMz2U           c15l        ELECTR.CAPACITORCEASl00M50
               RESISTOR
      R219,220 CARBONFILM            RDRl/4PM222J   RESISTORS
               RESISTOR
      R22I,222 CARBONFILM            RDRT/4PM224J          Rt08        CARBONFILM         RD1/1PMF22U
               RESISTOR                                                RESISTOR
                                                           R1I3- I15   CARBONFILM         RDI/4PM1O3J
      R223,224     CARBONFILM        RDRl/1PM1o{J                      RESISTOR
                   RESISTOR                                R1r7        CARBONFILM         RDl/4PMT23J
      R225,226     CARBONFILM        RDRl/{PM224J                      RESISTOR
                   RESISTOR
                                                                       Othcr rcsistor8    RDl/sPMlIfU
                   Other resfutorg   RDI/sPMfEf]J
                                                    OTHERS
                                                           CNI         CONNECTOR(I3P} KPE13
                                                           CNz         JUMPERCONNECTORI(PC6
PS ASSEMBLY IAWZ3OO)                                       cN3.5,8     CONNECI0R(5P)  KPCs
SEMICONDUCTORS                                             CNg         JUMPERCONNECTORKPC6
      Ql0l         TRANSISTOR        2S8834
      Q102         TRANSISTOR        nN1203
      Q103         TRANSTSTOR        2S883{
                                                    SP-LCH ASSEMBLY(AWZ3O67}
      Ql04         TRANSISTOR        2SC2{58
      Ql05         TRANSISTOR        2S41048        RELAIES
                                                           RY8OI,EO2N.ELAY                ASRIO26
      Q106,TO7     TRANSISTOR        2SC2468
      QIO8         TRANSISTOR        2SB560
                                                    cotL
      QI51         TRANSISTOR        2SA1048
      QI52         TRANSTSTOR        2SC2458               L80r        COIL               ATI 001
      QI53         TRANSISTOR        2SAl048
                                                    CAPACITOFS
      Dl0l - 104   DIoDE             SCJOO
                                                           c801.803 AUDIOFlllt{     CFTXA4T3Jso
      DIOs         DTODE             lss252
      Dr06- l13    DIODE             30DF2FC.2                      CAPACITOR
      Dl14,115     DTODE             1SS252                c805,806 ELECTR.CAIACITOR CEASR4ruso
      D116         ZENERDIODE        RD4.7ESB2             C814,8I5 CERAMICCAPACITOR CKDYBIMK5M
                                                           C816.817 CERAMICCAPACITOR CIIDYB{?2KsOO
      DILT         ZENERDIODE        RDlzES82
      Dl18-121     DIODE             lss252
      Dlsl,t52     DIODE             lss252


PO
Mrrk No.        Drrcrlptlon       Plrtr No.     M!d( No.       Darcrlptlon      Panr llo.
RESISTORS                                       SWITSHES
       R8O1     METAI OXIDE       RSTPMF1OOJ        S3OI       PUSHSWTTCH       SEC8V222L
                RESISmR                             $02        PUSHSWITCH       SEC8V22S
       R8O3     METALOXTDE        RS2LMF1OOJ
                RESISTOR                        RELAY
       R805,806 METALOXIDE        RS2LMF33U         RY301      RELAY            ASRI003
                RESISmR
       R807,808 CARAONPILM        RD1/4PM100J   RES|SToRS
                RESISTOR
                                                     R3O1_305 CARBONFILM        RDLI2PM222]
OTHER                                                         RESISTOR
                                                     R308'309 cARBoNFIlfi       RD1/2PM362J
                     TERMINAL AKElol?
               SPEAKER
               4-P                                   R3ro      lloi$$lt"        RDrzPM3ezr
                                                               RESISTOR
                                                     R3II      CARBONFILM       RDI/4PMIOzJ
sp-RcH AssEMBLy(AwzsooBr                             R3r2      ::df]$lr"         RDr4pMzzzJ
RELAIES                                                        RESISTOR
       RY851'862RILAY             AsRl025
                                                     Rar4      cAIBoN.FILM      RDlzpM36zJ
                                                               RESISTOR
cotl
       LESr    C0IL               ATH100r
cAPAcrroRs                                      sw ASSEMBLY
       c851,853 AUDIOFILM        CFTXA{73J50    SwlTCH
                CAPACITOR                            s303   swITcH              AsDl007
       c8s5,8s6 ELEcr?.cArAcrroR cEAsR4?[rso
       C864,865 CERAMICCAPACIMRCXDYB1O3KsOO
       C866,867 CERAMICCT{PACITORCrDYM72K500
                                                PtN JACK ASSEMBLY
RESTSTORS
                                                cAPAclroRs
       R8s1     METAToxrDE        RslpMFr''J
                RESISTOR                            c20r-208   CERAMIC CAPACITORCKDyB:tglKso
       R8s3     METAL OXIDE       RS2LMF10OJ        czLl       AUDIOFILM        CFTXA473J50
                RESISTOR                                       CAPACITOR
       R855,8s6 MFTALOXIDE        RS2LMF33U
                RFSISToR                        OTHERS
       R857,858 CARBON FILM       RD1/{PM100J                  PIIONOJACK2"p    ArGllsl
                REsrsmR                                        pgoNo jAcr( &p   AKBIIs{
OTHER
               SPEAKER
                     TERMINAL AKE1OIT
               ,1.P



FRONTASSEMBLY(AWZ3O69I
SEMICONDUCTORS
       Q3O1-303 TRANSISTOR        RN12O:}

       D3O1-305 LED(RED)          AEL1O65
       D3O8     I"ED(P.EDAMBER)   AEL1IIG
       D313,314 DIODE             S5s66
       D317,318 DIODE             1SS252
       D319     ZENERDIODE        RDIsESB

       D320,323 DIODE             lSS252
       D331.332 DIODE             1SS252
4. ADJUSTMENTS
1 . Set to the class mode
                    B                                     7. Checkthat the voltagedifferencebetweenBIAS
2, Wait ten minutesafter the powerhasbeenturned              TP and the output JP wire on the Power L
    on.                                                      assemblyis the sameasthat betweenBIAS TP on
J.  Adjust trrR402so that the voltage difference             the reinforcedL assembly the outputJP wire
                                                                                       and
    betweenBIAS TP and the output JP wire on the             on the PowerL assembly.
    Power      L    assembly becomes 8,8mV                8. Check that the voltage difference between BIAS
    (+ llmV/-3.3mV). Also adjust VR602 on the                TP and the output JP wire on the Power R
    PowerR assembly   using the sameprocedure.               assembly the same that between
                                                                       is        as              BIAS TP on
4 . Set to the classA mode.                                  the reinforceR assembly  and the output JP wire
5 . Wait ten minutes.                                        on the PowerL assembly.
6. Adjust VR401 so that the voltage difference bet-
    ween BIAS TP and the output JP wire on the            Note :
    Power L aesembly  becomes137mVf l4mV. Also              Steps1 to 3 shouldbe conducted
                                                                                         beforesteps4 to
    adjust YR601 on the Power R assemblyusing the           7 and not after it.
    sameprocedure.

                                      OutputJP wlre




          POWERL ASSEMBLY                                                    L
                                                                     REINFORCE ASSEMBLY




                                     OutputJP wlre




           POWERR ASSEMBLY                                           REINFOBCEASSEMBLY
                                                                             R




                                         Flg. 4- I rdludnonl polnt
4. REGLAGE
1   Mettre sur le mode de classeB.                           7. Contr6ler que la diffdrence de tension entre le
2. Atteodre dix minutes aprdsla mise soustension.               point d'essaide polarisationet le cavalierde sortie
3. R6g1er                  que
         VR402 de maniOre la diff6reacede ten-                  de I'ensemblegauched'alimentation est 68alea h
    sion entre le point d'essai de polarisation et le           diff6rence de tension entre le point d'essai de
    cavalierde sortie de l'ensembleSauched'alimenta-            polarisationde l'ensemble gauchede renfort et le
    tion devienne 6gale n 8,8mV(+ llmV/- 3,3mV),                cavalierde sortie de l'ensemblegauched'alimenta-
    R6gler dgalement VR602 sur l'ensemble droit                 tion,
    d'alimentation en proc6dantde la mme manidre.            8. Controler que la diffrence de tension entre le
4 . Methe sur le mode de classeA.                               point d'essaide polarisationet le cavalierde sortie
c . Attendre dix minutes.                                       de l'ensemble droit d'alimentation est 6gale i la
o . R6glerVR401 de manidreque la diff6rencede ten-              diff6rence de tensio! entre le point d'essai de
    sion eutre Ie point d'essai de polarisation et le           polarisatioo de I'ensemble droit de renfort et le
    cavalierde sortie de I'ensemblegauched'alimenta-            cavalier de sortie de l'ensemble droit d'alimenta-
    tion deviennegalei 137mVt 14mV.R6glereale                   tion.
    ment VR601 su! l'ensemble droit d'alimentation            Remarque:
    en en proc6dantde la mmemaniore.                             Is 6tapesI a 3 dewont tre effectu6esavaot les
                                                                 dtapee,{ i 7, et non pas aprs.
X)INT DES{iAIDE FOLARISAITON          CrvChi d! $rd.          PC'INTDESSAIDE POLARISAI1ON




                GAUC}IE
          NSEMBLE      OAUMEi'fATION                                     ENSEMBLE
                                                                                GAUCHEOE BEI{FORT




                                      C.vdl.r d. rort'.




         ENSEMELE
               DRO|T
                   DAUMENTA                                              ENSEMBLE
                                                                                DROITDE hENFORT




                                          Flg.4- I Polni. d. ragbmlln.



                                                                                                              23
4. AJUSTE
1, Ajuste al modode claseB.                                      7. Compruebeque la diferencia de tensi6n entre el
2. Esperecinco minutosdespues activar la alimen-
                                  de                                punto de prueda de polarizaci6n Y el cadle de
    taci6n.                                                         puenteadode salida en el conjunto izquierdo de
3, Ajuste VR402 de modo que la diferencia de ten-                   alimentaci6n,seasimilar comotraque existe entre
    si6n entre 



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