Yamaha-CA800ll-int-sm 电路图维修手册.pdf

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1、RadioFans.CN 收音机爱好者资料库 cA-800tr I CONTENTS CIRCUITDESCRIPTIONS. 1 PARTIALDISASSEMBLY. 1 EXTERNAL VIEW . 2 INTERNAL VIEW . 4 SPECIFICATIONS. 5 ADJUSTMENT OF MAIN AMP CIRCUIT BOABD 6 PRINTED CIRCUIT BOARD FUNCTION CIRCUIT BOARD NAO6623 TONE CONTROL CIRCUIT BOARD NAO6773 8 FILTE R CI RCU IT BOARD NAO6

2、535 9 MAIN AMP CIRCUIT BOARD NAO654O 9 VOLUMECIRCUITBOARDNAOG53I .10 POWER CIRCUIT BOARD NAO6679 10 ELECTROLYTIC CIRCUIT BOARD NAO6547 10 POWER CIRCUIT BOARD NAO6679 10 OPERATION SWITCH CIRCUIT BOARD NAO6354 11 REAR PANEL CIRCUIT BOARD NAO6778 11 BLOCK DIAGRAM 12 OVERALL SCHEMATIC DIAGRAM 13 PARTIAL

3、 CHANGES MADE ACCORDING TO DESTINATION 15 PARTS CATALOG 17 CIRCUIT DESCRIPTIONS Refer to CA-1000s SERVICE MANUAL 1. CONTINUOUS LOUDNESS CI BCUIT 2. SPECIAL YAMAHA TONE CONTROL SYSTEM 3. ACLASS AND B CLASS OPERATION 4. PROTECTION CIRCUITS PARTIAI DISASSEAABLY Refer to CA-1000s SERVICE MANUAL. RadioFa

4、ns.CN 收音机爱好者资料库 cA-800II EXTERINAT VIEW TT tl I *: -: s lru EJ+i,+i.-, 99I ttt lll .ll,*l* ln l. le Mruffi +a#l+ffi , tl 66 6 FRONT PANEL REAR PANET du-? | .r lrlMF +.r!+. B(rcr RadioFans.CN 收音机爱好者资料库 cA-800II FRONT PANEL O BASS TONE CONTROL VR605) 1I!-199r4- rRero rR6rz mArN NAO6540 150 () F60t 3

5、.t5A 250V L60t 3!H Pv EiN EN R60r c60l 4.7K 2,2468.P oo 1+Lz) Ym :7pu 6 cA- 800 tr PRINTED CIRCUIT BOARD FUNCTION CIRCUIT BOARD NAO6623 # 5PC rS AO FILTER CIRCUIT BOARD: +B TO TONE CONTROL CIRCUIT BOARDLI, RI TO FIEAR PANEL CIFICUIT BOARD TO REAR PANEL CIRCUIT BOARD :P1L, PlR :P2L, F2R -l 7 cA-aootr

6、 TONE CONTROI CIRCUITBOARD NAO6773 TO FUNCTION CIRCUIT BOARD TO VOLUME CIRCUIT BOARD ,1 OR 4 o I-t oo co + -t= 9ol O|.l 4 a o a cA-800II FIITER CIRCUIT BOARD NAO6553 TO VOLUME CIRCUIT BOARD (YE) TIAIN ATIP GIRCUIT BOARD NAO654O TO POWER CIRGUIT BOARD TO ELECTROLYTIC TO POWER T BOARD TO TONECONTROL C

7、IRCUIT BOARD TO REAR PANEL (BR) CIRCUIT BOARD 0 4 a ronr4 ,9E,1 BL TO REAR PANEL CIRCUIT BOARD WH (RE) MUTING TONEJUMP TO OPERATION SW CIRCUIT BOARD .GY (vl ffi-# | tf # sm* *m trffiK E 9 cA-aoo II YO1UAAE CIRCUIT BOARD NAO653I TO TONE CONTROL CIRCUIT BOARD I Ro Lo POiER CIRCUIT BOARD l!A0,6679 ELEC

8、TROLYTICCAPACITOR GIR.CUIT BOARD NAO6547 TO FUNCTION CIRCUIT BOARD TO MAIN AMP CIRCUIT BOARD TO POWER CIRCUIT BOARD BE TO FILTER CIRCUIT BOAHD : LI. BI OR RE V/H TO SPEAKER TERMINAL TO POWER TRANSFOMER GY OR OR BL RE YE GR BE GY BR BL TO PHONES JACK . R TO ELECTROLYTIC CAPACITOR CIRCUIT BOARD TO SP

9、SELECTOR SWITCH . B .l To MArN AMP - crRCUrT BOARD OUT WH TO SP SELECTOR SWITCH TO PHONES JACK L TO POWER SWITCH CIRCUIT BOARD I ro unrru nup _.1 crncurr BoARD TO ELECTROLYTIC CAPACITOR CIRCUIT BOARD * : * x, * s to TO POWER TRANSFORMER cA-aooII OPERATION SWITCH CIRCUIT BOARD NAO63s4 R.EAR PANEL CIR

10、.GUIT BOARD NAO6778 o1 z,o o C,-T =C,2. E() o-l 4= C)r C) -o ;-1 P sr - !- g= st trs rC2 o t -l Qo cim Th o9 dd -r 8ri n ; ii,6 o o- _;o se; t z E *i I eifrE ESir- s oc)? lrl o-t =o rc) +-12 r o5 in 0 Eo-l T - oo oo ilp 1a tr!-im m 5 o,fi ooi , 3d ; r UT mm +rI +BBB momo c!c l ULJ J HB mm o m x m I

11、U ! m A m , a E a ! m x m a FUNCTION FUNCTION TAPE SELECTOR -r -r Black BR ) Brown RE Red OR Orange YE ) Yellow GR Green BE ) Blue Vl Violet GY I Gray WH White GG Light Green SB Light Blue PK Pink SYMBOLPART NAME FUSE RESISTOFI AMETALIZED OXIDATION RESISTOB n CEMENT RESISTOR NO MABKCAFIBON HESISTOR

12、a CEMENT MOLDED BESISTOR METALIZED FI LM RESISTOR SYMBULPART NAME REMARKS MYLAF CAPACITOR NO MAFIKCERAMIC CAPACITOR o POLYSTYRENE CAPACITOB NO MAFIK (BI.POLAFI) E LECTROLYTIC CAPACITOR -+*- o LOW.NOISE ELECTROLYTIC CAPACITOR aTANTALUM CAPACITOR t3 cA-800II PARTS LI ST .ff: tr I I I t57 C o o cA-800I

13、I 57 22 20.21 35 3334 57 58 20,21 I5 cA-8001I heT. No. Pan NoDescription Remarks Common Models 1 32 00:00 NA06 | 62: 9( Function Circuit Board #6524l 7z)z?)=lz :/-t U.S. model (N406341 #62914) 32r00i00N,A06i62i80 -do.- #62916 Except U.S. model 4200r00HE15182,20 Low Noise Resistor (Hori. type) 220K O

14、 7.W t1 -)4tw.li *U 4200 00HEl5847t do.- 47OKA %W 4200 00i HL 131 621,2A Metal Oxide Resistor 2.2K9 lWmt*EiEffi 4200 00HU454:74 lvletalized Film Hesistor(1l%) 470O#.R00HU471 t5A do.- l5K,f, 4200 i00HU47r81 i80 -do.- 18KS) 42 :00 :00 40:4417AFuse Resistor 47l %WYt-/#, tfi, U.S. model H200015) 42r00:0

15、0HVr l0:44:70 -do.- 47 Q 100mA Except U.S. model lH70nn1Fl 2100t00FD19t35t0( Polystyrene Caprcitor (Vert. type) ! 2o/o SOOO?F 7aA-)t =+, 4200 :00Ftl18t41 t8( -do.- 1 1% 1800OPF 4200i00FP12710lTantalum Capcitor 10 pF 1oWV ,5)vHl+ )72t FP13tUi7 -do.- 4.7!F 16WV Seryrcrng 420000FP 1 56470 42i00i00i FPl

16、5i6li0i -do.- l ttF35WV 4200i00FPit6:6417( -do.- 4.7p F 50U/V F J 2317417Electrolytic Cap*itor Vert. type) 47 pF 16WV E*=r17 Servicing 420000 FJ 1 37470 F251 Bzt 2 -do.- 22OpF 50WV rCl1r66i3Transistor 2SC 1 166 (Y or GR) t7/A uervrcrng 420fi)Oic116510 icil3i45i3io.- 2SC 1345 (D or E) o- 242r 00 00KA

17、 s0i 02i 8( Rotary Switch SRZ-O65 E-, u -7,( yaTAPE 3 42i00 00KA50 02:lldo.- SRZ-SGFUNCTION 4 42i00r00i LB r601021806P Connector 02145-6.A 6P=irr- 5 2:00:00LB50r00r505P -do- CIS-sP5 P=*rr- 32 i 00r 00MZ06: 35i 2rFunction Connector Assy 7z22)=)=4 J 4 -V .yt2)t) 42 00r00i LB r 10i01 !60 Keying Pin t)

18、a - l. ), HEI*fi.ffi 1432r00i00: NAi06t58: 1(Filter Circuit Board # 65107,)VHff a+t 42i00 00i FPtl416tt0( -do.- l tlF 25WV 42r00r00i FP 14 53 3( -do.- 0.33p F 25WV 42i00:00 FJtl4t6lt0(Electrolytic Capacitor (Vert. type) 1 p F 101,1/VE*:ai4t 42r00i00 FJit6i82i2( -do.- 220pF 50WV 42100i001 FJir6173i3(

19、 -do.- 33 t/ F 50WV 2:0000| i C r07 63:00Transistor 2SC 763Far7 2 00r00i rCi13l45 40-do.- 2SC 1345 (D or E) 15 2r00100 KA t20i01t20Leverswitch SLA34302 : a-T 4 /? 71-t4 t6 2r00 00 KA i20i0t i40 -do.- SLA 34301 A-71)b9- 11.,4 17 42i00 00 KA i20i0t i60 -do.- SLA 32301 t47)vr- 7-l U-S- Canadian models

20、32r00i00i NA i06 53i90 -do.- #64242 General 00i00HL42:64: 1l -do.- 4.7Kd2 2W 42;00i00 HM,rt24t7lCement Molded Resistor 0.47S2 5W 1z / l- #.+h 42i00:00 HM55: 4l | 0i -do.- 10 O 5W 42t 00r 00t FM 09i 62i 2l Bipolar Electrolytic Capacitor 2.2 pF 16WV 14 t-. 42i 00 00i FMt11i74i/t -do. 4.7pF 50WV 42i00

21、00i HIi41 0li5r Variable Resistor (SR-29R) B4.7KQ Yrr.yl.VR 42t00 00:HTi41 0lr6( -do.- B22KA 42i00100i GD i90 00 5t Air-core Coild 3.0pH *,1;1)v 2 00t00 A05t6lt2( Transistor 254561 (Y) t7/r41 2r00i001 r A 07i63r0(-do.- 254763 W-4.5 2r00i00i I A07i06i3(-do.- 25A706 (3-2) 2t00 00i c04:58i91-do.- 2SC45

22、8 (C) 42i0000i t Cl07i3al2t-do.- 2SC734 (Y) 42i00r00i tct11 ?412(-do. 25C1124 2j00:00r r F00 I 03r 2( Diode WZ-061 , -+-t4t-F 2 00;00 r F00i 00r 4(-do.- 151555 44*-t 42t00i00i i H r00r02i4(-do. 151885 t9 32i00100! NAi06i35i4( Operation Switch Circuir Board # 63092 t.sv-)=) Except U.S. model cA,100(

23、32i ooi ooi NA I 061 59 o( -do.- # 65150 U.S. model (NA06354# 63091) 20 42i 00i 001 KA i 20i 0t i 2( Lever Switch SLA342O2 vt-74ra 21 42i 001 00r KA | 60,00i 9( Micro Switch V-10-1A a 2 24 32r 00i 00 NA061 37 5( Power Switch Circuir Board # 63252 , -aya F/ benerat, uan61 i8 -do.- 2SCI061S (C or D) -

24、do.- ictl zio -do.- 2SC1213S (B or C) 420000ic1166,10 4200i00r i H00 021 4lDiode 151885 qlt-t: i H i00i00i 5 -do.- 10DC-2 -do.- 420000iH000140 rH00i0r i3 -do.- 10DC-28 -do.- 420000iHo00150 420000r i F r00i00r4(-do.- lst555 420000 F0003i3( -do.- lsl88 FM1 4200100i F !00i02i8r Zener Diode WZ-21Ov z*-4

25、1t-r 42 00 00F iooio2i2( -do.- WZ-310 00i00KB i00i06!6( Miniature fuse 400mAT 250V SL:-X 91L1 European model 29 3200 00NA06i549( Rear Panel Circuit Board # 64560)At4tr-t- Except European models 00 00NA i06i778( -do.- # 6654 European model 3000 00LB0i04(Pin Jack SMK 5-03061e)+t) Except European model

26、s 3112i00i00KA40i02il(Slide Switch SL222B47) I f:74.y* Exept Eurogean models 3200 00KA40 ry2i0c -do.- SL243B3BM PHONO IMP- 33 i00i00 LB r4000r80Connector Socket 4P CI54P -thb-1.4 Exept European models 342i0000LB i60i0250 -do.- 9P crs9 = i-, 4 -74 P + -do,- 352t00t00LB60027t6P Connecting Plug NO2183-

27、64 6Pai.rr- l=d -do. - 2i00;00LBt00l60Keying Plug c t s+-4 t -do.- 3632 00i001 NA06154t0Electrolyric Capritor Cirflit Board # 64300t:=:/-t- Except U.S. model 32 00:00NA0662r50-do.- # 65210 U.S. model 42r00:00: FL26 99 90 Electrolytic Capcitor (Lug type) 100p F 50WV iffi=it+ 42i00i00i r H00 022nDiode

28、 S5151 R (Blek)9Jv7 cA100( 46 2 i00 !00CBi06;83( Switch Apron 15 x 427( .y *aJa)z cA100( 4742r00t00r CB i06 I2t -do.- 15 x 29F cA100( 42i00100GAi60t88t3( Power Transformergffi t 2 7 Except European models 4A42100i00GAt60t88i2( Power Transformer European model 5142 ;00 ;00LAl00tl3t2( 4PE Type Push Te

29、rminal X-O2366 + Y e*)Y a ,-:+), 5342 i00:00LA r00i l0r 7(Ground Terminal V_2ffi:? 5442i00i00i LB20i02r5Voltage Selector EE+TXA*B 5542l00l00rLB !20i04i8(Fuse Holder V a-Xrl. JV4- Except European o;i; rls a I F ul I I o J J e, IIl o EI o o o I I rl l i= lE5 (Do 6-O (r ul zl f F ozI ;, r, f voea N Yl/

30、 f t99 eqi lrlfv O69 ()s- E F o () e. F tr- 09 ,/ eo9ul zz zqb D cl. 9!i RY r=i i;? r_ l-l: 1 =-i I ,r ()0 !ttD E= (Jo ct tl, N$ lxzac. ,l NI El :I ;l E I_ -+ I I I tp Ye :l- oo iV ar(ts FF ooo N o 2 o r o- a-c / o2z bzb ) - - - -trt-orr-c-nr n: - =r *i 3t/) tzba 6t98 i=: doq 6rq: t89 199: Etl )zil

31、iZt = l*ll s itit r l(tsil g 5t lo lo P U- - (o() Oo ,. r o ,iE o ,. ? tt o (o N o |o iiD o o= (o loro o o6 nlo oro ts to o u, lt GIN c!n |o(o GE FF N NE Iro ri (o NO _N () an at NN 9- (o E,G, FF o oo .ot lorO rt t- (Jo att at NN AI I l* 6F (l- (, ct, alt ON (,r o (o (Dc) oo (ool EE FF |o t J io rl-

32、 PE o at, ., N(l .: $ o (o n o (o iN oo (o(o GE FF IiT I i*il I i Er tllo IiE li I l*f L:J to o 9o or()o :9 ee o99 o F. See l.- F I ooo (, i-a ,G(D .IoJ onGt6 epES olzz so98 g . P I eoeu B o ON o6i OY 6N E+, z E U o U c l ilETof o cj L-/a fra E GN Ir) to tO (9 o z lftl lul tLl r? ! + J =(9 m- pi; ko

33、- (t ut cJ 6t !t o (o r) o (o JN oo (o(o E(x FF I , z. I il ca! E o x XN o OY z Io ra tO (o o z. lod lbrl lLl lrl lEl l* I ll lu lu e o a d N o o 5 o o N or E o o oe / ozz LOLX o o N G oa/OZZ L 90La c oa/ozz N 90/1 oo9P di6.o o I I gg$E! ! (r(). . lt lD oat NAI(JN(o () .-.9 o NL -Nnt GG oooo!o rt Fls Ft-O O EEEOaF ls FFFFCi6 J ;cl o o o d !N 3 O6 st ru-l- cPE eho o o N co o o (o o () trt C t o_ J E= ip o uto N(l ; o |o rO o (, .is 8q - T oo |olo EE - 6 llrll(o H I i=o)i lol o P lLlz: s