Kenwood-DP3060-cd-sm 电路图 维修手册.pdf
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1、COMPACT DISC PLAYER DP-3060 SERVICE MANUAL KENWOOD 1994-8 PRINTED IN KOREA B51-4947-00 (K) 2454 oui Le ee eet a = Bs ene 5 a aa i ts i gl Knob (K29-5940-12) Metallic Cabinet (A01-3142-01) Knob (K29-5941-03) Phone jack (E11-0208-05) Panel (Tray) Foot (A29-0370-03) (JO2-1034-05) AC Power cord* (E30-)
2、Miniature phone jack (E11-0188-05) Phone jack (E63-0120-05) Oscillating module (W02-1114-05) Power cord bushing (J42-0083-05) “Refer to parts list on page 20 RadioFans.CN 收音机爱 好者资料库 DP-3060 CONTENTS/ACCESSORIES/CAUTION CONTENTS AGGES SORIE S wecteceancteteo nese eee 2 CAUTION csitsiciaieruencecetaca
3、eeteh ohasieee e 2 CONTRO Lixigetictacctecsionertnoeertatiee eraa i cnteetatees, 3 DISASSEMBLY FOR REPAIPR.:eeeeeeeeeeeeeeeeees 4 BLOCK DIAGRAM .:cccccrseccsseseneeeeesenseeceeseneeseneees 6 CIRCUIT DESCRIPTION 1. 8 Times over sampling 16 bits digital DAC:SM 5872BS(IC202).:- eee i ADDIS TIME ING sit
4、es eee: oceeeneewierianiensscortmedeediacse 9 PG BOARD xeccincnc ice tin torneo eeenn sidan ag deena! 11 SCHEMATIC DIAGRAM .:0cceeeeeees Va daceeseteatee 13 EXPLODED VIEW MECHANIS Mizicteiosirssinr ineerereenleeindees: 17 UINGINV sch; ccattes ccnsancl tees naidgaganaseetatinl sa geaseteaem nea 19 PA
5、RTS LIST sitecnndieedi iterate: 20 SPECIFICATIONS accticntcccapeiiwacwetnts BACK COVER *Note : Refer to DP-7060 service manual (B51-4938-00) if you want to know more information of Semiconductor description. ACCESSORIES Audio cord Cord with plug (System) Remote controller assy (E30-0505-05) (E30-273
6、3-05) * AC plug adaptor (E03-0115-05) (-) (A70-0980-05) Battery cover (A09-0170-08) te) (Except for some areas.) For the unit with a European AC plug in areas other than Europe. CAUTION Note related to transportation and movement Before transporting or moving this unit, carry Out the following opera
7、tions. 1. Turn the power ON but do not load a disc. 2. Wait a few seconds and verify that the display shown appears. 3. Turn the power OFF. (TRack - 123 4 5 6 7 8 3 10 j7 11:12 13 14 15 . 1617 18 19 20 Po Beware of condensation | When water vapor comes into contact with the surface of cold material,
8、 water drops are produced. If condensation occurs correct operation may not be possible, or the unit may not furaction correctly. This is not a malfunction, however, the unit sould be dried. (To do this, turn the POWER switch ON and leave the unit as it is for several hours.) Be especially careful i
9、n the following conditions: e When the unit is brought from a cold place to a warmplace, and there is a large temperature difference. e VWhen a heater starts operating. When the unit is brought from an air - conditioned plae ta a place of high temperature with high humidity. e When there is a large
10、difference between the irer mal temperature of the unit and the ambient temperature or IN conditions where condensation occurs easily. RadioFans.CN 收音机爱 好者资料库 DP-3060 CONTROL/REMOTE CONTROL OPERATION CONTROL A-B repeat indicator/ Tape side A or B indicator during editing Program check indicator TOTA
11、L TIME/SINGLE TIME indicator EDIT indicator Play track mode indicator CCRS REPEAT indicator | (Mdicator TRACK |! REPEAT -TRACK - Program mode Indicator Play indicator t t J J t 1 Pause inaicator Play track NO display Music calendar TIME indicator Single time Total time EDIT time Program time Output
12、and psptsy headphones level display Open/close key POWER swiich STANDBY indicator Disc tray Remote control light sensor Play/Pause key Stop key | J = ; memuar ( = To J) Play mode key Search keys (P MODE PHONES jack REPEAT key = Numeric keys! 0 9. +10 Skip keys REMOTE CONTROL “EDIT key *CHECK key MUL
13、T! DISC EDIT key “CLEAR key *REPEAT AmB key PEAK SEARCH key REPEAT key *TIME DISPLAY key “RANDOM key P. MODE key Numeric Kxeys ( 0 9 ; “+10 ) Search keys “OUTPUT LEVEL xeys Skip xeys Stop key POWER key OPEN / CLOSE key Play/pause key KENWOOD REMOTE CONTROL UAT : AC-PO701 The operations of each key a
14、re the same as those of the keys on the unit. The keys marked * are provided only on the remote control unit. RadioFans.CN 收音机爱 好者资料库 DP-3060 DISASSEMBLY FOR REPAIR 1. How to Remove Clamper 1. Remove the cabinet. 2. Remove both-sides-catchers of clamper assy and Slide it back-wards. 3, Lift the clam
15、per assy. Note : If broken catcher, use screw (2.6x8:N89-2608- 46) to fix it. 2. How to Remove Tray 1. Turn power switch off after tray is open. 2. Remove screw (). 3. Lift the tray (). 4. Slide the tray front-wards and remove it ( ). 3. How to Mount Tray oO 1. Slide slider fully right-wards and pul
16、l out tray gear ! of front-wards ( ). : aut 2. Insert tray gear in slit of tray (). As Zoe “ 3. Set tray-back-groove to boss of slider ( ). SE ey, 4. Fix tray with screw (). Bs BEER. DP-3060 DISASSEMBLY FOR REPAIR 4. How to Replace Pickup 1. Remove clamper assy and set tray-open. 2. Move pickup at c
17、enter position of its ali travel( ). 3. Turn rod stopper ( ) and lift pickup assy (). . How to Open Tray when Tray Not Come Out 1. Insert screw ariver to left-side hole of mechanism assy. 2. Push slider right-wards. DP-3060 BLOCK DIAGRAM (a Ean AVOLVSVL sun dsAled WSINVHOSAW c0cOl SdceZ8SWNs OVd/4G
18、a eee OS sear 90-4DVrr0szdd WOO- dn-Mova WOO- cnstectotenniconcaemenones SW6dIS dA AA DP-3060 CIRCUIT DESCRIPTION 1. 8 TIMES OVER SAMPLING 16 BITS DIGITAL DAC : SM 5872BS(IC 202) 1-1. Block Diagram MDT/FSEL1 INTERFACE MCK/FSEL2 DEEMPHASIS MLEN/DEEM SELECT | ATTENUATION CONTROL PWM MUTE aca | - | COU
19、NTER Z . oKo _ ne eat mace 1 onawnr ae INPUT INTERFACE $f t+ +f 4+_+_+_+- | 100 step completion (1), (2) and (3). 33.10) 3410) = 350) 36a0) 3810 3900, 4010 4100) 99.10) 0.96dB/step 0.136dB/step Time. (Play mark), vc and Disc Track No. are displayed. - Waa 7 = : C= -Vc = t It (1) Focusing servo VC VO
20、LTAGE Se ee oe -1V O +1V (2) Tracking servo | *See blow | |_s $ ft t+ _ 4+ . | 256step (3) Feed servo Turns all FL display lamps ON. TRACK NO. sfaices SS a av step Od BATA tJ tJ a $ tft _t_|4+ | 256step 7 Fie) F E,.16) F Fi16) Toss) 2 (16) 316) 7 Fie) Turns all FL display lamps OFF. TRACK NO. yy Uy
21、DISPLAY , VALUE 00 . . $ +4 TRACK NO. is lighted. | $f | 100step | _._,| 50 9QA10) SOV tSteP O tc10) 50 * TRACK NO. EG TG “ _= c/ ci L/ c/ VOLTAGE / / / L/ L/ L/ L/ Vc -1V VC Veo +1V ee | | L/ L/ L/ L/ CPU 7.8 mV/step I L/ wu L/ u/ DATA bes Uo we Js s4- 449 + | aserter 8Qi6) F Dae) F Ex16) FF (16) T
22、16) 2 (16) 7 Fuse) L/ L/ WTO L/ L/ DISPLAY L/ VALUE ao _= $ $+ + | 100;tep ee eee NY 5 O10) 99 (10) | 20mV/step 0 1(10) 5 O10) ADJUSTMENT-FREE RF This device has AVERAGE and AUTO GAIN CONTROL circuitry in its as DP-3060 is adjustment-free. : Please confirm the self-check value on display as follows
23、and dc voltage in schematic diagram before replacing pickup. 7 . VOLTAGE SELF-CHECK VALUE TAVLE (Vdd/2) -1V (Vdd/2) (Vdd/2) +1V |_ a a ee nee | 256steps DISPLAY VALUE CPU “7.8 mV/step FOCUS GAIN (FG) 18FG_ | 256step TRACKING GAIN (TG) 19TG68 aw om ro vn ais eae Ire CENTER VOLTAGE (VC) 25VC75 Sst y F
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