Pioneer-C73-pre-sm 电路图维修手册.pdf

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1、() qoruEEn The luure ol sound and vEron. ,A otu ORDER NO. ARP2106 G-72 c-73 . This manual is applicable to the C-7ZKU|CA, SD, C-73lHEz and HB types. o As to the C-72/SD type, refer to page 44. . As to the C-73|HB type, reter to page 72. STEREO CONTROL AMPLIFIER CONTENTS I. SAFETY INFORMATION 2. EXPL

2、ODED VIEWS, PACKING AND PARTS LIST (FOR C-72/KU/CA AND C-73/HEZ TYPES) . . . . 3. FOR C-72/KU/CA TYPE . 4, FOR C.72|SD TYPE . . . 5. FOR C.73IHEZ TYPE . . 6. FOR C-73|HB TYPE . . . 7. tc |NFoRMATION . 2 t1 44 45 72 73 PIONEER ELECTRONIC CORPORATION 4-1, Mesuro 1-chome Mesuro-ku, rokvo 153, Japan PIO

3、NEER ELECTROIIICS SERVICE INC PO Box1760, Long Beach, California 90801 US.A P|O|EER ELECTnO ICS OF CANADA, lNC. 505 Cochrane Drive, Markham Ontario L3R 8E3 Canada PIOiIEER ELECTRONIC IEUROPEI N.V. Keetberglaan 1, 2740 Beveren Belgium P|ONEER ELEGTRON|cS euSrnnn pfv. LTrr. 178-184 Boundary Road, Brae

4、side, Victoria 3195, Australia TEL: 03 580-9911 o PIoNEER ETECTRONIC CORPORATION 1990 sEv auc. lseo pnnred In Japan MODELS C-72 AND C-73 HAVE FOLLOWING VERSIONS: Type Applicablo model Power requirementDestinalion c-73 KU/CAoAC120V onlyU.S.A. and Canada o AC110V, 120V - 127V, 220V, 240V (Switchable)

5、Kingdom ol Saudi Arabia and General market AEZoAC220V, 240V (Switchable) + West Germany HBoACa2OV, 240V (Switchable) * United Kingdom * Change lhe connection ol the power translormer lead wire. RadioFans.CN 收音机爱好者资料库 . This service manual is intended for qualified service technicians; it is not mea

6、nt for the casual do-it-yourselfer. oualified technicians have the neces- sary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. lmproperly performed repairs can adversely affect the safety and reliability of the prod

7、uct and may void the warranty. lf you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. WARNING Lead in solder used in this product is listed by the california Health and welfare ag

8、ency as a known reproductive toxicant which may cause birth defects or other reproductive haim (California Health rt 6 = F : 6 = 5 = 5 irrl l;ii IO CONIFOL ASSY tr to coNmor a$ Y TO CONnOt ASS.Y tr 101112 1. FESTSTORS: tlr ROUIE Indicated in A, 1/8, 1/4W, 157 tolerance unless othsmise noted - otREcI

9、 oil, uL.qrT. r - r - - - otRcl 0N. Ftx (ltr trl K; ko, M; Mn, (F); r 170, (G); t2%, (K); t roc/o, (M); !20% tolgrance. 2. CAPACITORS: A Indicatod in caprcity (sF) / voltago (V) unless otherwise noted p: pF. Indication without voltags is 50V except elsctrolytic capacitor. 3. VOLTAGE CURRENT: F ; DC

10、voltage (V) at no input signal. Value in ( ) is OC voltage at rat6d power. emA : DC cu.renl at no input sigoat. 4. OTHERS . e; Signal route. o ; Adjustingpoint. - . Ths Amark lound on some componont parts indicatos the importance of tho safsty lactor of the part. Thsrefore, when roplacing, bo sure t

11、o usa parts of idsntical designation. o X marked capacitor and resistor havo parts numbsr. o This is the basic schgmatic diagram, but the aclual circuit may vary due to improvsments in design. 5. SWITCHES (Th undarllns indlcates the 3witch posltlon) CONTROL Assembly 5701 : POWER SW (STANOBY-ON) 5702

12、 : LO S7O3 : TV/AUX B S704 : VCRI 5705 : VCR2 5706 : VIDEO 5707 : PHONO 5708 : TAPE ZMONITOR S7O9 ; GD 5710 : TUNER S7l1 : TAPE I/DAT S712 : MUTING S713 : SUBSONIC S714 : PHONO-SEL 5715 : DIRECT - 5716 : V-SEL S717 : REC-SEL Outside ol P.C. Eoard 52 : VOLTAGE SELECTOR AKX-507 (SD typs only) s1VOLTAG

13、E SELECTOR AKX-507 (SD type only) C - L t VARIABLE p-J L 1 FIXED OUT p J - - - otREcr oFF, g,ltntc -DnECTdrF.T(I 0207.0208 : flulE TO TI (rom ral to T2 fio ry 12) t!:r o 0 i03-031 2 :5TA81L1ZED POWER SUPPLY 603 reS 604 d! F o D - T lr,Fr | ) a A o o o o I o- o - o o o f f i l l R Y t n l t J l l l +

14、 ot | | 19 q I c l l l l t r r l ) I l l l - E I l l l r r F t | ) o l l l l o o o ( r:-tr l l o 6cr6 o o E o o 6cE o-.*- . -=- o-*-a -c5r- ,i 6d H 6-t-a o-Qq-i H O-iErO B H o+ TYPErsD ,Y H H HArz POIflER TRANS. 1 Prrl 1 r l t) l Frf I Pl) C tffi r o-r0 -o + O- itro -O P l 1 P 1 0 D P 9 P14 P6 P 7 P

15、 4 P 2 P l AF ASSY (AWK1301) Ti f e6fd I I | . s,P | | I ll o o roi | i l L + e - h $ s t r 6 I J lol o ol t I lt- I =l- ol nt NI -l !l ;-t - AWZ E_l ol ? I ol rjrefl ol r e l ;Y (AWKI301) _ crozt o o d e 6 r 6 o-o /IJPC 4 | o-ovqTnn I 1 , 1 o - o ! - +O Kzsx : v : I o o o l EI .o- I o p ,j-i, - .-r

16、. i diJiuffi f Ypr t g:;iii*V R Y 2 O 4 : 1,- i .?r I.-_ FI lj-l I :b Jt3 6-i, 40-!oE o t o t o lo l? ? ?lo : : I I t : c - o - c 1 | l c .1.!_l.jjjl. 1q,r lo lo lo o o_:*;:*,;*_ rf,i$, j, i:iit- F-=;,f :_._: ll,-J_r $lrl+|ff_ llfg :._ o3-d- 6l;E-l ,rbi lf-o., r-oo o ro o o or rE.6 6-, - ur.-.rft lo

17、 *o_o j f f TT j;:;li*,*j kll JlJJ X l ll*P AI;3l l qi lllaE_-l rlYJl I l t o o o o l : - lt - P-ool ll o o o o - o - l l o o T o l o o o o l | | s.s ? Ll*-f- ll | | 6lee isr$4- r ll;=3i ll o Jtl : 9 i ; - ,o (6) ! - 6: ; v : o l o l l ! ! TT IT tl JJ H O I I r7.2_ *-efr q o = o t . o_o lo _f ol o q

18、 ,.,9 to ,-i ot q, _org R . t u l = l v ? l 5 - / $ o o ! o cur i ? lttar .r fl o- r /.- F-EoLrI+ o-o ro t ( o !rl). *)o:-r,6r ,24,u.ffi_:t:-;.-=- i I ;3.3.-;,. . 9,J, )*,- t o t o - o t o . . 1 r o t I o o o ? ? ? o o ! a! t! ,! x,!;,! a! llli lll ,-. roroio Lolo roio toEo .lo toBo o J I Ji. I I I

20、.rro:. 1oo1oo1oor o, i i E b bb f b P$i -f, b lli G H H o+ + H + +O H -O +O +O H H H _ -,?_ o l o ic2a3 .lo o/ o E o t |) I I G ; t t l - I l l o o o , /rc ot - l r.6 o o i o 0 6 9 o + 9 G II I o o + ?s o3o t- -l lllL lln I + | o ec-6-v-6-qd o l o o l ru b - l t o u o l r u t H l . C I g . l o Ell H

21、 l/3 t N t/r, , vP o_o lo-14lol o l . l V l o l t v o - o l o I s l o l o - o l o I l o l o -6-:-6- TO POWER TRANS, T1 o|l5 o 120 Qzi Qr9 rc302 Q r04 Q r02 Qtol or 03 rc20l IC202 Q303 Q308 0307 Q3r 2 0304 03ro 0305 031 | 0306 0309 Q30r 0302 Q2t4 Q22642t3 Qil20rrl Q2t5 rczt2 rc205 rc rol rc2ro Iczrl

22、IQfTDEO ASSY lcNTl (To page 25) TO CONTROL ASSY tr (To page 25) TO CONTROL ASSY UA (To page 25) ffi coNrRoL ASSY (To page 24) IO, CONTROL ASSY Uel (To page 25) rn rn rn tr n t l -t t A , l I tt ) | A,v I - l z- ,oo,o 5to ro ,o + ro ,o (6),o 6l : 3 !;:.1 : i! Ti I oi .ooo o/ooro lgl o.o ono.o. o ,o (

23、6),o - :-,i-J .*. i -it E a -Q9 AW( _o,r1_l T r:l lr o o 0 6 io. I lr;f.-.r f t ? b lHs238l iil 4-o o oo o o ol lo _lo J -i c c- Tf I | | ,- 5.-5 la r tJ-*ool- Bii6:f_.t-ii I li i L.jll-T6l*Pl I l? ffi,|1:icf,5llF r i.- Ta-IJL lTi F-.,-; I-.0 e?- i,T- i -/:to -: o! s.,.:?., - I - : A l o -v a z-9taz

24、 ci/oE ( o g E 1. This P.C.B connection diagram is seen lrom the parts mount side. 2. The parts mounted on to the P.C.B can be replaced with those shown in lhe lollowing correspondence table with wiring marks. 3. The condenser terminal marked with double circles () represents (-) terminal. 4. The di

25、ode terminal marked with double circles () represents the cathode side. 5. The transistor terminal marked with E represents an emifler. - Y o-.0 tT- l l o t L y -+l18LJf ; l l l t D o b*+o il 1 li r o o t o / i H H + O H H H H l b P I l I b I- rf8 Q227 A22A rc209 tc208 rc30l 7 Inorcatton ol the P.C.

26、B. pattern Symbol of correspondinq parts Parts name 7Q5O41 EOOO Itorqt E6 EI E6 8J Transistor T_9lorG L_8 6 L_F.i ?l I LJ,. J u Li . ,l o ,rtq ! 9!R ;o o I O bol1 6 i. ? I (r* ll o b i b oi suBsoNrc fil ffiror H IIIII + .=. .,. .:-.*:,.1 *-; -l l l1r1 t! T ll llllrr -f; I l.* JJJJIJ 51+.rql i:-d p -

27、 lll ,1 ttl .r (,il I tttt iltvrDEo LT I Ij,x, i Jl | | lh,jtr1r or lli ld Iidirl I- | -l?l -) ITI rr.r lJr I 6 d dDorb | .- REc, sE L t r$ d-i t? Il JJI m llr I |tl d d I 6 d , Ao b , TAPE r.,5 rJ P, o b VR 4O: a+- - lHr l: ts . t5+r IE q slo o O L -t ttltl r? lllll ttttttl ll? ooooo ,J I T ,-, ll(

28、o) d v 9z O b q.,.s T 93o93 I ADPT o A r- I t 1Y lll J /n 2E v,/ E b y. u. e!i i 3 If ;ii: : tY ra: 9 9 9 9 9 ? T lllllllr r wolaaaaaJl J .mll I , o-ina di.+o olHS 5rxra t ( *6-g.6a.g g# =4 i; ge:ffi 3*3*3;*;o o*% 6rruE;.t 6Ff,E e6ol.b | ,-r o+ qfupflt, I b o d o o o - o 6 . , , -.- c4 9 0 .:,6,11 o

29、.r AkT- - I I ea%,;o*.eeEr.il -l ll db o_.,e d-6 | , | o E 6 o d o = : e o 6 ; I o ( * ) l r I ?.- 2:7L:-;z I F-Y 6)b:F 6:;6 _irr2a dirrlo o o o o o o o o o o o o o o o o7r o o7r I Q7r3 3t3? !f l! oze 1c703 rc702 IC70l 0709 0708 2 Q7260705Q706Q707 24 I DEO ASSY (AW22900) oro ol !, oo,oo,o,5r olf; to

30、 /1Zro !o or R ,. .i, otg P f ,r+. r ilr:i i;i.+i +.t-t+. i :+l:n:i i:,i+g +S ; o Q ; o f l - l * r o p - - - l b - b - b - - b b : o IJLF :l J 1.!Ll: il *qij:l c.g_r.-l o*?!l :l etil :l :-j;t. .t rodollo ol b J L.J ! J h-il tili l: ll : tli I ll rl:1 - o V.,.rUt =JLcJ- ITTTT iT;i. ;*H 11111 I l,ll

31、Iilil I Jttiir;i rilljirrrtl rrr.r. .- .r. :* t i Jili 4 .t-i,=tr- 3 t b q . - - g s b q Q50 | o503 0502 Q504 rc50l rc502 VOLUME DF o5 nt 05 05 rcl rcl lllllrr ll| lI|l ot JJ ll t- TII Il Iil d*i llll J I ll I llll T lt ll t l.1, rT .,pcNB llll I ll I llll I ljlji *l iill l?rrrlllTtr . e.,.e ; l?rr

32、Iil1, r J 6 .,1i,1J llll,llll TIlT q.e: 1l1l i-.1o.i ti Jlil lJJ Jlll q-pvE. o b d*i i b d*i oo ,! o*,.g o*.s d e.-p q-.-g | | f f i i- E E *9:x h V Y ; h h 0 0 0 0 0 0 t rr tO f., it gl,rt o o o o o o o o o o o o o o q!*z ol ,lt ng o o o o o o o - - o H (O)t tt t - do-i-*l.-;i vl | | | er o l o / o

33、 o o l l o s. t oo. iiii : #r$ IFrFrlFFI;ITrFr,l AWG I 9ro5t o l l F o $4.v or? II A b C D e6) n r, ! 9r! ! 6 b o -*,*.6 I -1-I ilit t - tH,Jj ,-. xo* *;:, i- d to! io 9 9 l o o t l t t n ll lTl rh Il I l l d d a 6- * ? o l l TUNER e | | f | l l ri : -l ! 6 b VR 403 ,o -c-a- - -; ol+. u lo :t#* . tc

34、 :lHl l- r o _1 :jr llll?tt eo! c? llllllll qlc r rrrra rrri llr dddaalle llll Illr lll llll ll6;raa1 6l I a - / / - J -l 0-6 .9 .P 6i b s.,e I b ? etDe3l I I I A D P T 9 A T A P E I I I t l T r . r l r t fr-Y Jll r-Y ) o | - i I d , z : I ob | ,/- !* (O ) vR4oz fc. Gi y.rtfra-1tu , o r 6 l L t t I

35、d - q F g i ; l l d t J o t o Eft rooTob :lfflf , .i f$ Atl* -. I Y/- ililtI llllllt o o o o o a I -!n I t% It I L !l I o I-5r # q? lll ADP Jii L: ITlI l|l lJ 3lea o O b -rrr-o 6ir-o DrRfF F$ MUTE a l 8 - J 4 9 ! ! ? iiiiijn , -r-l T j l I n r LteFi=r E$ 0723 QizO Q7r9 Q72t Q7r9 Q7r4 Q7t7 Q727 0703

36、Q7o41705 Q726 I Q725 o50t 0505 oso3 05ct/ 0502 Q506 Q504 0508 o507 o609 o608 Q6 rO rc505 rc6 rc504 Ic603 TO AF ASSY (To page t6) FRONT INPUT ASSY Q603 o5 Q4 o606 o6 Q60l rc50l rc502 REGULATOR ASSY B VOLUME DRIVE ASSY 1. This P.C.B connection diagram is seen from the parts mount side. 2. Ths partrs r

37、nounted on to the P.C.B can be replaced with those shown in lhe following conespondencr table with wiring marks. Wrnng mark on the P.C.B oattem diaoram Parts list IUtc Sswilch HYHetay L coil F Filter VR variable sistor or semi-fixed resistor 3. The condensr terminal marked with double circles () rep

38、resentrs (-) termhal. 4. Th dirde terminal marked with dofie circles () represents the calhode site. 5. The transistor lerminal marked with E rprsnts an gmiter. c D A Inotc.auon oI vlg P.C.B. pattem Symbol of conespondino parls Parts name /O5O4 EOOO Jg,tg Transistor Hg Radiator type transistor q-o2o

39、3-o t)zoS 4(F S-10 : CD/LD A s-11 s-12 s-13 s-14 s-15 s-16 : +l / SEARCH ll : CD/LD POWER L( oHP/FR-TM : DISC SEL DISPLAY s-17 : s-18 : s-19 : TUNER/CD/TV/LD S-20 : 1 S-21 : 2 S-22 : 3 S-23 : 4 S-24 : 5 S-25 : 6 s-26 . 7 S-27 : 8 S-28 : 9 S-29 : 0. 10 S-30 : 11/MEMORY S-31 : 12ICLEAR TUN ER/CD/PHONO

40、/AMP/TV S-32 : BAND/CH-RTN 5-36 : PGM S-37 : FREQUENCY-/TV CHANNEL- S-38 : FREQUENCY +/TV CHANNEL + S-39 : TV POWER S-40 : CD + 10/TV FUNC s-41 : PHONOT I rV VOL- S-42 : PHONO) / TV VOL + S-43 : LD S-44 : VIDEO S-45 : VCR 2 5-46 : VCR 1 S-47 : TV S-48 : TAPE 2 S-49 : TAPE 1 s-51 s-s2 s-53 s-54 s-5s

41、s-56 TUNER PHONO DIRECTA/. SEL CENTER MODE TV DISP DUAL B C IC01 rc02 IC03 IC04 IC05 001 .002 o03.004 005 003-D06 D0r . D02.007-Dl 5 PHDOl IEDO1. IEDO2 LEDOI . LEDO2 S-58 : REAR EALANCE L S-59 : AMP POWER 5-60 : MUTING 5-61 : PROC. LEVEL + 5-62 : CENTER LEVEL - 5-63 : VOL - 5-64 : VOL + 5-65 : MODE

42、- 5-66 : REAR BALANCER 5-67 : CENTER LEVEL + 5-68 : PROC. ON/OFF 5-69 : PROC. LEVEL - S-70 : REAR LEVEL + S-73 : PROC. BALANCE R S-74 : FUNCTTON S-75 : TEST TONE S-76 : PROC. BALANCE L S-77 : REAR LEVEL - S-78 : MODE + PD51 49A AZC|015 AZC|0t G AZC1047 AZC| 048 AZC| 050 AZC1 05.| AZC1052 AZC1019 AZC

43、1233 AZC| 055 AZC| 053 AZC1 054 D R33-R3? r00Kt0.rt.,l r f-_Tlze rc02 : RAM AI CEI AO D7 P.C. BOARD PATTERN NOTE: -t- : ffi: EB: Indicates a chip resistor lndicates a chip capacitor Indicates a chip transistor lndicates a chip diode. Ir tr? cD b 39 3.4 SPECIFICATIONS Amplifier Section Rated output 2

44、0 Hz - 20 kHz,0.O1 % 10 kO . . . . . . . . . 7 V Total harmonic distortion 20 Hz 20 kqz, 1V. . O.OO2 o/o Input terminals (sensitivity/impedance) PHONO MM. . 2.5 mV/50 kfl PHONO MC 250 !V/1O0 0 CD, TUNER, TAPE PLAY, AUX . . l50 mV/sO k0 Output terminals (output level/output impeoancet TAPE REC . . .

45、. 150 mV/2.2 k0 PRE OUT. . I V/l k0 Frequency response PHONO MM 20 Hz 20 kHZ. . . 10.2 dB PHONO MC 20 Hz 20 kH2 . . . . . . . . . 1O.3 dB CD, TUNER, TAPE PLAY, ALJX, 1 Hz 150 kHz . . . 1l dB Tone control (Volume control set at 40 dB position) BASS . . . . . . 18 dB, 100 Hz TREELE . . 18 dB, 10 kHz F

46、ilter SU8SON1C. . . 17 Hz, 12 dBloc MUT|NG. . dB SN ratio short-circuit, A network) PHONO MM. . 93 dB (5 mV) PHONO MC. . 76 d8 50O1V) cD, TUNER, TAPE PLAY, AUX . . . 106 d8 Video section Video Base Band) Input termanals (Output level/impedance) LD, VCR 1. 2, VIDEO, TV/AUX. 1 Vp p/75 O unbalanced Output terminals Output level/impedancei VCR 1, 2, REC MON|TOR. 1 Vpp/75 0 unbalanced DG . . . . . . . . . 2 0k DP . . . . . . .