Akai-S2000-mds-sm 电路图 维修手册.pdf

《Akai-S2000-mds-sm 电路图 维修手册.pdf》由会员分享，可在线阅读，更多相关《Akai-S2000-mds-sm 电路图 维修手册.pdf（80页珍藏版）》请在收音机爱好者资料库上搜索。

1、Mo del S3200XL MIDI STEREO DIGITAL SAMPLER iWDDO H Mil l S3M mo EL 2M OPTIONAL BOARD RadioFans.CN 收音机爱 好者资料库 SAFETY INSTRUCTIONS INFORMATION PRECAUTIONS DURING SERVICING 1. Par t s ident if ied by t he A symbo l ar e c r it ic al f o r saf et y. Repl ac e t hem o nl y w it h t he par t s number spec

2、 if ied. 2. In addit io n t o saf et y, o t her par t s and assembl ies ar e spec if ied f o r c o nf o r manc e w it h suc h r eg ul at io ns as t ho se appl ying t o spur io us r adiat io n. These must al so . be r epl ac ed o nl y w it h t he spec if ied r epl ac ement s. Exampl es: RFc o nver t

3、er s, t uner unit s, ant enna sel ec t o r sw it c hes, R F c abl es, no ise bl o c king c apac it o r s, no ise bl o c king f il t er s, et c . 3. Use spec if ied int er nal w ir ing . No t e espec ial l y: 1) Wir es c o ver ed w it h PVC t ubing 2) Do ubl e insul at ed w ir es 3) Hig h vo l t ag e

4、 l eads 4. Use spec if ied insul at ing mat er ial s f o r hazar do us l ive par t s. No t e espec ial l y: 1) Insul at io n Tape 2) PVC t ubing 3) Spac er s (insul at ing bar r ier s) 4) Insul at io n sheet s f o r t r ansist o r s 5) Pl ast ic sc r ew s f o r f ixing mic r o sw it c hes 5. When r

5、epl ac ing AC pr imar y side c o mpo nent s (t r ansf o r mer s, po w er c o r ds, no ise bl o c king c apac it o r s, et c .), w r ap t he ends o f t he w ir es sec ur el y ar o und t he t er minal s bef o r e so l der ing . 6. Make sur e t hat w ir es do no t c o nt ac t heat pr o duc ing par t s

6、(heat sinks, o xide met al f il m r esist o r s, f usibl e r esist o r s, et c .). 7. Chec k t hat r epl ac ed w ir es do no t c o nt ac t shar p edg ed o r po int ed par t s. 8. Al so c hec k ar eas sur r o unding r epair ed l o c at io ns. 9. Make sur e t hat f o r eig n o bj ec t s (sc r ew s, so

7、 l der dr o pl et s, et c .) do no t r emain inside t he set . SAFETY CHECK AFTER SERVICING Af t er ser vic ing , make measur ement s o f l eakag e-c ur r ent o r r esist anc e in o r der t o det er mine t hat expo sed par t s ar e ac c ept abl y insul at ed f r o m t he suppl y c ir c uit . The l e

8、akag e-c ur r ent measur ement sho ul d be do ne be t w een ac c essibl e met al par t s (suc h as c hassis, g r o und t er minal , mic r o pho ne j ac ks, sig nal input /o ut put c o nnec t o r s, et c .) and t he ear t h g r o und t hr o ug h a r esist o r o f 1500 o hms par al l el ed w it h a 0.

9、15 pF c apac it o r , under t he unit s no r mal w o r king c o ndit io ns. The l eakag e-c ur r ent sho ul d be l ess t han 0.5 mA r ms AC. The r esist anc e measur ement sho ul d be do ne bet w een ac c essibl e expo sed met al par t s and po w er c o r d pl ug pr o ng s w it h t he po w er sw it

10、c h (if inc l uded) ON. The r esist anc e sho ul d be mo r e t han 2.2 M o hms. SYMBOLS FOR PRIMARY DESTINATION Unit dest inat io ns ar e indic at ed w it h l et t er s as sho w n bel o w . Symbo l sPr inc ipal Dest inat io ns i_AjU.S.A L.3. U.K E Canada Eur o pe (exc ept U.K) j uapan _sj Aust r al

11、ia m Ger many i UJUniver sal Ar ea LB Cust o m ver sio n t RadioFans.CN 收音机爱 好者资料库 i. SPECIFICATIONS 1-1. Mo de! S2000 and S3000XL * Fo r impr o vement pur po ses, spec if ic at io ns and desig n ar e subj ec t t o c hang e w it ho ut no t ic e. Sampl ing dat a f o r mat.16 bit l inear enc o ding Sa

12、mpl ing r at es. 44.1 kHz (20 Hz - 20 kHz r ang e), 22.05 kHz (20 Hz - 10 kHz r ang e) Sampl ing t ime S2000 .22.28 sec o nds (mo no /44.1 kHz), 11.14 sec o nds (s1er eo /44,1 kHz) S3000XL . 44.56 sec o nds (mo no /22.05 kHz), 22.28 sec o nds (st er eo /22.05 kHz) 20.80 sec o nds (mo no /44.1 kHz),

13、10.40 sec o nds (sl er eo /44.1 kHz) Int er nal memo r y. 41.60 sec o nds (mo no /22.05 kHz), 20.80 sec o nds (st er eo /22.05 kHz) 2 Mbyt es st andar d, expandabl e t o 32 Mbyt es using 72 pin SIMMs Po l ypho ny.32 vo ic es Maximum sampl e number.255 Maximum pr o g r am number.254 Fil t er.Dig it a

14、l dynamic -l o w pass f il t er (-12 o B/o c t ave w it h r eso nanc e) Envel o pe g enar at o r s.2 (1 mul t i-st ag e) L.F.0.2 Displ ay S2000.Bac k l it 16 c har ac t er s x 2 l ines LCD S3000XL .Bac k l it 320 c har ac t er s/240 x 64 g r aphic LCD Disket t e dr ive.3.5-inc h dual densit y dr ive

15、 (2HD, 2DD) Co nnec t o r s REC IN.1/4-inc h pho ne j ac k (bal anc ed) x 2 STEREO OUT.1/4-inc h pho ne j ac k (unbal anc ed) x 2, 0 dBm 600 o hms ASSIGNABLE OUTS.1/4-inc h pho ne j ac k (bal anc ed) x 8 (S2000 : IB-208P o pt io nal ) DIGITAL INPUT/OUTPUT.RCA pin j ac k (S2000 : IB-208P o pt io nal

16、) HEADPHONES.1/4 inc h st er eo pho ne j ac k x 1 MIDI.DIN 5P IN x 1, OUT x 1, THRU x 1 SCSI int er f ac e.25 pin D-SuB REC GAIN vo l ume .-6 dBm (min) - -44 dBm (max) Po w er r eq uir ement s.AC 100 V, 50/60 Hz f o r Japan Po w er c o nsumpt io n S2000 . AC 120 V, 60 Hz f o r U.S.A, and Canada AC 2

17、20 - 230 V, 50 Hz f o r Eur o pe AC 240 V, 50 Hz f o r Aust r al ia 35 W f o r Japan S3000XL. 42 W f o r U.S.A and Canada 26 W f o r Japan Dimensio ns. 42 W f o r U.S.A and Canada 483 (W) x 88.1 (H) x *408.8 (D) mm Weig ht S2000 . (EIA 2U size), (* S2000 : maximum 423.1 mm, S3000XL : maximum 432 mm)

18、 7.7 kg S3000XL.7.1 kg St andar d ac c esso r ies AC po w er c abl e.1 So und l ibr ar y disk S2000. .1 S3000XL . .2 Mo dul ar edit ing syst em disk (f o r Mac int o sh).1 MSF seq uenc e disk. .1 Syst em disk (S2000 o nl y). .1 Oper at o r s manual. .1 Opt io nal ac c esso r ies IB-208P (8 par al l

19、el -o ut / Dig it al I/O bo ar d) (S2000 o nl y) EB16 (Mul t i ef f ec t s pr o c esso r bo ar d) IB-304F (2nd LSI f il t er bo ar d) FMX008 (8 Mbyt e f l ash memo r y bo ar d) RadioFans.CN 收音机爱 好者资料库 1-2. Mo del S3200XL Po w er c o nsumpt io n. Dimensio ns 1 min 33 sec . (st er eo /44.1 kHz) 3 min

20、07 sec (st er ec 22.05 kHz) Int er nal memo r y Po l ypho ny Maximum sampl e number . Maximum pr o g r am number Fil t er Envel o pe g enar at o r s L.F.O Displ ay . Disket t e dr ive Co nnec t o r s REC IN STEREO OUT ASSIGNABLE OUTS . HEADPHONES FOOTSWITCH MIDI SCSI int er f ac e AES/EBU dig it al

21、IN/OUT . SMPTE t ime c o de IN/OUT REC GAIN Po w er r eq uir ement s XLR (bal anc ed) x 2, 1/4-inc h pho ne j ac k (bal anc ed) x 2 XLR (bal anc ed) x 2 (5.0 dBm/600 o hms), 1/4-inc h pho ne j ac k (unbal anc ed) x 2 (5.0 dBm) 1/4-inc h pho ne j ac k (unbal anc ed) x 8 (7.5 c Bm) 1/4 ,nc h st er eo

22、pho ne j ac k x 1 1/4 inc h pho ne j ac k DIN 5P IN x 1. OUT x 1, THRU x 1 25 pin D-SuB 1/4-inc h pho ne j ac k (bal anc ed) x 2 and Opt ic a! inpuVo ut put 1/4-inc h pho ne j ac k (bal anc ed) x 2 HI: -56 dBm, MID: -37 dBm. LO: -15 dBm AC 100 V, 50/60 Hz f o r Japan AC 120 V, 60 Hz f o r U.S.A and

23、Canada AC 220 230 V. 50 Hz f o r Eur o pe AC 240 V., 50 Hz f o r Aust r al ia 38 W f o r Japan 45 W f o r U.S.A and Canada 483 (W) x 133 (H) x *410 (D) mm (EIA 3U size), (* : maximum 429 mm) 8.8 kg Sampl ing dat a f o r mat 16 bit l inear enc o ding Sampl ing r at es44.1 kHz (20 Hz - 20 kHz r ang e)

24、, 22.05 kHz (20 Hz - 10 kHz r ang e) Sampl ing t ime (unexpanded memo r y). 3 min 07 sec . (r no .c o /44.1 kHz), 6 min 14 sec (mo no /22 05 kHz), 16 Mbyt es st andar d, expandabl e t o 32 Mbyt es using 72 pin SIMMs 32 vo ic es 255 254 Dig it al dynamic -l o w pass f il t er (-12 dB/o c t ave w it h

25、 r eso nanc e) Dig it al envel o pe g ener at o r x 3 (2 mul t i-st ag e) Mul t i w ave Lo w Fr eq uenc y Osc il l at o r x 2 Bac k l it 320 c har ac t er s/240 x 64 g r aphic LCD 3.5-inc h dual densit y dr ive (2HD.2DD) Weig ht St andar d ac c esso r ies AC po w er c abl e. .1 So und l ibr ar y dis

26、k. .2 SMF seq uenc e disk. .1 Mo dul ar edit ing syst em disk (f o r Mac int o sh1-).1 Oper at o r s manual. .1 Opt io nal ac c esso r ies FMX008 (8 Mbyt e f l ash memo r y bo ar d) * Fo r impr o vement pur po ses, spec if ic at io ns and desig n ar e subj ec t t o c hang e w it ho ut no t ic e. II.

27、 disassembly In c ase o f t r o ubl e, et c ., nec essit at ing dismant l ing , pl ease dismant l e in t he o r der sho w n in t he il l ust r at io ns. Reassembl e in t he r ever se o r der . 2-1. Mo del S2000 and S3000XL 2-2. Mo del S3200XL 1. Remo val o f t he UPPER COVER 2. Remo val o f t he FRO

28、NT PANEL BLK I * Disc o nnec t t he P6 c o nnec t o r o n t he MAIN PCB bef o r e r emo val . III. PRINCIPAL PARTS LOCATION Fig . 3-1 Mo del S2000 Fin 3-2 Mndo l SSOOnXI EFFECT MID!OUTPUT LCD UNITVR PCBMAIN PCBROTARY ENCODER POWER SW PCB PCB SCSI/OPT POWER SUPPLY Fig . 3-3 Mo del S3200XL IV. ELECTRI

29、CAL ADJUSIMENT (S3200XL ONLY) 4-1. INSTRUMENT CONNECTION Fig . 4-1 Inst r ument c o nnec t io n 4-2. LOCATION OF THE ADJUSTMENT POINTS OUTPUT PCB Fig . 4-2 4-3. MSB ADJUSTMENT 1) Co nnec t an audio sig nal g ener at o r t o t he LEFT c hannel anal o g input and make a 1 kHz sinew ave sampl e as f o

30、l l o w s. Pr ess l he MARK/# and “NAME but t o ns simul t aneo usl y t hen pr ess t he but t o n t o set t he unit t o t he def aul t c o ndit io n. Af t er if is init ial ized, pr ess t he “EDIT SAMPLE but t o n. Next , use t he DATA kno b t o sel ec t t he sampl e SINE, t hen pr ess t he “F3/C (R

31、EC2) but t o n. Mo ve t he c ur so r t o Tim: 1 : 00S t hen ent er 100C w it h t he numer ic al but t o ns and t hen pr ess t he “ENT/ PLAY but t o n t o set t he sampl ing t ime o f 10 sec o nds. Adj ust t he REC LEVEL vo l ume o n t he f r o nt panel so t hat t he l evel met er indic at io n o n t

32、 he l ef t side o f t he displ ay is sl ig ht l y o ver -20 dBm and t hen pr ess t he F8/H” (ARM) but t o n t o st ar t sampl ing . 2) Co nned an AC mil l i-vo l t met er t o t he anal o g o ut put CH-1. 3) Pr ess t he EDIT PROGRAM but t o n t hen pr ess t he “F5/E (OUT). Mo ve t he c ur so r t o in

33、div o ut put : OFF po sit io n and sel ec t CH-1 by pr essing t he 1 numer ic al but t o n. Then mo ve t he c ur so r t o “l o udness: 80 po sit io n and keep pr essing t he “ENT/ PLAY but t o n t o pl ay bac k t he sampl e. Adj ust t he o ut put l evel t o -60 dBm w it h t he dat a kno b. 4) Adj us

34、t t he VR101 (CH-1) o n t he OUTPUT PCS w hil e pr essing t he “ENT/PLAY but t o n so t hat t he w avef o r m displ ayed o n t he o sc il l o sc o pe bec o me a smo o t h c o nt inuo us sinew ave at -60 dBm l evel as sho w n. INCORRECTINCORRECTCORRECT 5) Mo ve t he c ur so r bac k t o indiv o ut put

35、 : 1 po sit io n t hen sel ec t t he appr o pr iat e c hannel f r o m CH-2 t o CH-8 w it h o ne o f t he numer ic al but t o ns w her e t he met er is c o nnent ed. Adj ust t he c o r r espo nding semi-f ixed VRs t he same w ay as in st ep 4). VR101 VR201 VR301 VR401 (CH-1) (CH-2) (CH-3) (CH-4) VR50

36、1 VR601 VR701 VR801 (CH-5) (CH-6) (CH-7) (CH-8) V. SUPPLEMENTARY INFORMATION 5-1. MEMORY TEST * This t est mo de is used f o r t he inspec t io n o f t he unit . To c hec k t he unit , pr o c eed as f o l l o w s. 5-1-1. Memo r y t est f o r S2000 mo del 1) Whil e pr essing t he “PAGE but t o n, t u

37、r n t he po w er o n. Keep pr essing t he PAGE but t o n unt il t he f o l l o w ing messag es w il l be displ ayed o n t he LC displ ay. har dw ar e t est ing w ave memo r y . . . . 2) Next , t he f o l l o w ing messag es w il l be displ ayed o n t he LC displ ay and t he EDIT indic at o r st ar t

38、 s f l ashing . 01 MW w ave memo r y t est ing . . . 3) Af t er a f ew sec o nds, “EDIT indic at o r st o ps f l ashing and t hen GLOBAL indic at o r st ar t s f l ashing . 4) The SAVE and “LOAD indic at o r s st ar t f l ashing in t ur n in t he same manner as 3). f l 5) If t he f unc t io n o f t

39、he unit is no r mal , t he f o l l o w ing messag e w il l be displ ayed o n t he LC displ ay. Al so t he MULTI, EFFECTS, “EDIT and “SAVE indic at o r s t ur n o n. 01 MW w ave memo r y t est ed o kay 6) Tur n t he po w er o f f t o diseng ag e t he t est mo de. 5-1-2. Memo r y t est f o r mo del S3

40、000XL and S3200XL mo del s 1) Pr ess t he “MARK/# and “NAME but t o ns simul t aneo usl y af t er t he po w er has been t ur ned o n f o r 10 sec o nds. Al l eig ht LEDs w hic h bel o ng t o SINGLE/A t o LOAD/H” but t o ns (SINGLE/I t o “LOAD/P f o r S3200XL mo del ) t ur n o n ac c o r ding l y. 2)

41、 Pr ess t he “+/ but t o n. VI. PARTS LIST ATTENTION 1. When pl ac ing an o r der io r par t s, o e sur a t o l ist t he Par t No ., Mo del No . and t he desc r ipt io n o f ear c h par t . Ot ho r w ic e, t he no n-del iver y o f t he par t o r t he del iver y o f a w r o ng par t may r esul t . 2.

42、 Pl ease mal t o sur e t hat Par t No . is. c o r r ec t w hen o r der ing . if no t , a par t dif f er ent f r o m t he o ne yo u o r der ed may be del iver ed. 3. Sinc e t he par t s sho w n in Par t s List o r Pr el iminar y Ser vic e Manual may have been t he subj ec t o f c hang es, pl easeuse

43、t his Par is List f o r al l f ut ur e r ef er enc e. ; . HOW TO USE THIS PARTS LIST 1. This Par t s List l ist s t ho se par t s w hic h ar e c o nsider ed nec essar y f o r r epair s. Ot her c o mmo n par t s, suc h as r esist o r s and c apac it o r s, ar e l ist ed in t he Co mmo n List f o r Se

44、r vic e Par t s f r o m w hic h t hese par t s sho ul d be sel ec t ed and st o c ked. 2. The Rec o mmended Spar e Par t s List sho w s t ho se par t s in t he Par t s List w hic h ar e c o nsider ed par t ic ul ar l y impo r t ant f o r ser vic e. 3. Par t s no t sho w n in t he Par t s List and Co mmo n List f o r Ser vic e Par t s w il l no t in pr inc ipl e be suppl ied. 4. Ho w t