Pioneer-DCX55Z-cs-sm 电路图 维修手册.pdf
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1、Service CIRCUIT DESCRIPTIotiS REPAIR b e r g l a a n 1 , 2 7 4 0 B e v a r e n . B e l g i u m T E L : 0 3 / y 7 5 - 2 B - 0 B P I O N E E R E L E C T R O N I C S A U 8 T R A U A P T Y . L T O . 1 7 S - 1zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA B A B o u n d a r y R o a d . B r a a a i d
2、 a , V i c t o r i a 3 1 9 5 . A u s t r a l l a T E L : C03 5 S O - S 3 1 1 SAAPR. 1986 Printed In JapSn RadioFans.CN 收音机爱 好者资料库 1. SAFETY /MFORMATION l.SAFETY PRECAUTIONS The -foflowing check should be performed for the contiriued protection of the customer and service tech- riiclan. LEAKAGE CURRE
3、NT CHECK Measjre leakage current to a known earth ground (water pipe, conduit, etc.) by connecting a leakage current tester such as Simpson Model 229-2 or equivalent between the earth ground and all exposed metal parts of the appii- ance (input/output terminals, screwheads, metal overlays, control s
4、haft, e t c ) . Plug the A C line cord of the appliance directly into a 120V A C 60Hz outlet and turn the A C power switch on. A n y current measured must not exceed 0.5mA. Device under test Leakage current tester Reading should not be above 0. 5m A Test all exposed metal surfaces 2-wire cord Also t
5、est with plug reversed (Using A C adapter plug as required) 4. Earth ground A C Leakage Test 2. SPECIFICATIONS AMPLIFIER SECTION Continous Average Power Output is 40 Watts* per channel, min., at 8 ohms from 40 Hertz to 20,000 Hertz, with no more than 0.3% total harmonie distortion. Measured pursuant
6、 to the Federal Trade Commissions Trade Regulation rules on Power Output Claims for Ampllfiers. Continuous Power Output 40 to 20,000Hz 40 W + 40 W (T. H .D. 0.3% 8 ohms) 1 kHzIDINI 50W + 50W(T.H.D. 1%8ohmsl 1 kHz (DIN musicpoweri 70 W + 70W (T.H.D. 1 % Bohmsl PMPO 140W + 140W Hum and Noise (IHF, sho
7、rt-circuited, A network) PHONO 72 dB Hum and Noise (DIN continous Povver/50 mV) PHONO 68 dB/60 dB Total Harmonie Distortion (40 Hz to 20,000 Hz, 8 ohmsl 20 Watts per channel power output No more than 0.2% Tape Deck Section Systems 4 track, 2-channel stereo Heads Hard Permalloy recording/playback hea
8、d x 1 Hard Permalloy playback head x 1 Ferrite erasing head x 1 Motor DC servo 2 speed motor x 2 Wow and Flutter No more than 0.09% IWRMS) Fast Winding Time Approximately 100 seconds (C-60 tapel ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE OF A PO- TENTIAL SHOCK HAZARD AND MU
9、ST BE COR- RECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. 2. PRODUCT SAFETY NOTICE Many electrical and mechanical parts in the appliance have special safety related characteristics. These are often not evident from visual inspection nor the protection afforded by them necessarily can be obta
10、ined by using replacement components rated for voltage, wattage, etc. Replacement parts which have these special safety charac- teristics are identified in this Service Manual. Electrical components having such features are identified by marking with a A on the schematics and on the parts list in th
11、is Service Manual. The use of a substitute replacement component which dose not have the same safety characteristics as the P I O N E E R recommended replacement one, shown in the parts list in this Service Manual, may create shock, fire, or other hazards. Product Safety is continuously under review
12、 and new instructions are issued from time to time. For the latest Information, always consult he current P I O N E E R Service Manual. A subscription to, oradditional copiesof, P I O N E E R Service Manual may be obtained at a nominal charge from P I O N E E R . Frequency Response -20 dB recording:
13、 Normal tape 35 Hz to 14,000 Hz 6 dB CrO; 35 Hzto 15,000 Hz i 6 dB Metal tape 35 Hz to 16,000 Hz -6 dB Signal-to-Noise Ratio Dolby NROFF 56 dB Noise Reduction Effect Dolby B type NR ON More than 10 dB lat 5 kHz) Furnished Parts Operating Instructions 1 Turntable legs parts 2 Miscellaneous Power requ
14、irements U.S., Canadian models AC 120 V, 60 Hz Europeen model AC 220 V, 50/60Hz U.K. and Austrahan models AC 240 V, 50/60 Hz Other destinalion models AC 110/120/220/240 V (switchablel 50/60 Hz Power Consumption U.S., Canadian models 230 W (CSA 260 VA) Europeen model 380 W U.K. and Australian models
15、380 W Other destinetion models 230 W Dimensions 36(W) x 190IH) x 283 (Dl mm 14-316(WI X7-7/16IH)zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA X 11-1/8(D) in Weight (without peckage) 7.4 kg 116 Ib 5 oz) RadioFans.CN 收音机爱 好者资料库 3. FRONT PANEL FACILITIES (CASSETTE TAPE DECK) This unit is provide
16、d with an automatic tape selector function. This unit is a forward mode priority auto-reverse deck. Both recording and playbacli always start in the forward direction. If you press the STOP/EJECT ( / I switch during reverse playback, the head for forward playback will be reselected automatically. O
17、REVERSE M ODE switch Sets the reverse mode for the playback-only deck. Switch positions: Play CD Continuous play D Reverse play Continuous playback is automatically stopped after 8 round trips. Note that ii will be counted as one reversal if the tape direction is changed ustng the direc- tion switch
18、. (One round trip will be counted if the switch is pressed twice.) O Direction switch/ indicator (DIRECTION) Depress to set the playback direction of the playback-only deck. Direction change can only be performed during playback. O Lights when fonward mode is selected. i- . Continuous playback is au
19、tomatically stopped after 8 round trips. Notr - will be counted as one reversal if the tape direction is changed using fw i tion switch. One round trip will be counted if the switch is pressed iw. r O Recording indicator IREC) tz) Lights during recording. Flashes during tape copying. (DC-X55. DC-555
20、Z only) O Direction switch/ indicator (DIRECTION) Depress to set the recording and playback direction of the record.pw. . Direction change can be performed during recording. playback or p*u%. Lights when forward mode is selected Flashes if tape travel % H . - during reverse recording. Lights when re
21、verse mode is selected. O Cassette com partm ent (Recording and playbackl O TAPE COUNTER (Record/ play deck.) 3-digit display moasures tape travel on record/play deck, O TAPE COUNTER RESET button RadioFans.CN 收音机爱 好者资料库 ; - X 5 5 Z C B K ) C O P Y S P E E D s w i t c h Press to set the copy imxJe. M
22、 N O R M A L . Perrtiits you to listen to playbacic normally during dubbing (normal speed copying) zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA m HIGH . High speed dubbing (double-speed, half-time copying) O P i a y b a c k - o n l y s w i t c h e s ( P L A Y l Forward or reverse mode playtM
23、Ck. X ( F A S T i Rewind in forward mode, fast forward in reverse mode. ( F A S T i Fast fonward in fonward mode, rewind in reverse mode. - ( S T O P / E J E C T I . Stops tape travel. Ejects cassette if pressed when tape is stopped. 9 S y n c h r o n i z e d c o p y w i t c h ( S Y N C H R O C O P
24、Y ) Press to start copying from Deck I to Deck II. Set the copying speed (NOR- M A L or HIGH) using the C O P Y S P E E D switch. Press this switch only after you have set the C O P Y S P E E D switch as desired. If this switch is pressed first, the speed cannot aftenwards be changed, even if the C
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