Sony-PS-DJ9000-Service-Manual电路原理图.pdf
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1、SERVICE MANUAL STEREO TURNTABLE SYSTEM US Model AEP Model UK Model E Model PS-DJ9000 SPECIFICATIONS Motor and Platter Drive systemDirect drive quartz Motor3 phase 8 pole Brushless DC motor PlatterAluminum die-cast Diameter 332 mm (13.1 inches) Weight 750 g (1.85 lbs) Speeds33 and 45 rpm 1/3 Wow and
2、flutterLess than 0.15 % (WRMS) Signal to noise ratioMore than 55 dB (DIN-B) Tone Arm TypeStatic balanced S-shaped tonearm with detachable headshell Effective arm length230 mm Overhang15 mm Usable cartridge weight4 g (min.) to 10 g (max.) General Power requirementsU.S.A. and Mexico: 120 V AC, 60 Hz E
3、uropean countries: 220 - 230 V AC, 50/60 Hz Other countries: 110 - 120 V/ 220 - 240 V AC, 50/60 Hz Power consumption15 W DimensionsApprox. 450 152 352 mm (17 11/16 5 13 in) (w/h/d) 11/163/4 Mass10 kg (22 lbs) Supplied Accessories Platter (2) Slip mat (2) Dust cover (with hinges) (2) Counterweight (2
4、) Cartridge and headshell (2) 45 adaptor (2) Audio cord (with ground wire) (2) AC power cord (2) Design and specifications are subject to change without notice. Replacing the Cartridge The life expectancy of the stylus tip is about 500 hours. To maintain optimum sound quality and prevent damage to y
5、our records, we recommend replacing the cartridge before the end of this time duration. Obtain a replacement cartridge from your Sony dealer. This set is the stereo turntable in PMPK-DJ9000. 9-929-553-12 2001F0200-1 2001.6 Sony Corporation Home Audio Company Shinagawa Tec Service Manual Production G
6、roup Ver 1.1 2001. 06 RadioFans.CN 收音机爱 好者资料库 2 SAFETY-RELATED COMPONENT WARNING! COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS AP- PEAR AS SHOWN I
7、N THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. SAFETY CHECK-OUT After correcting the original service problem, perform the follow- ing safety checks before releasing the set to the customer: Check the antenna terminals, metal trim, “metallized” knobs, screws, and all other exposed metal parts
8、for AC leakage. Check leakage as described below. LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 0.5 mA (500 microampers). Leakage current can be measured by any one of thr
9、ee methods. 1. A commercial leakage tester, such as the Simpson 229 or RCA WT-540A. Follow the manufacturers instructions to use these instruments. 2. A battery-operated AC milliammeter. The Data Precision 245 digital multimeter is suitable for this job. 3. Measuring the voltage drop across a resist
10、or by means of a VOM or battery-operated AC voltmeter. The “limit” indication is 0.75 V, so analog meters must have an accurate low-voltage scale. The Simpson 250 and Sanwa SH-63Trd are examples of a pas- sive VOM that is suitable. Nearly all battery operated digital multimeters that have a 2V AC ra
11、nge are suitable. (See Fig. A) Fig. A. Using an AC voltmeter to check AC leakage. 0.15F To Exposed Metal Parts on Set 1.5k AC voltmeter (0.75V) Earth Ground TABLE OF CONTENTS 1.GENERAL. 3 2.DIAGRAMS 2-1.Circuit boards Location .5 2-2.Schematic Diagram Main Section . 6 2-3.Schematic Diagram Motor Sec
12、tion .7 2-4.Printed Wiring Board Main Section . 8 2-5.Printed Wiring Board Power Section .9 2-6.Printed Wiring Board Motor Section . 10 3.EXPLODED VIEWS 3-1.Bottom Section . 11 3-2.Cabinet Section. 12 4.ELECTRICAL PARTS LIST. 13 RadioFans.CN 收音机爱 好者资料库 3 SECTION 1 GENERAL 1POWER ON/OFF switch 2Spind
13、le 3Strobo lamp 4START/STOP button 5Slip mat 6Platter 7TARGET LIGHT and release button The TARGET LIGHT allows you to see the position of the stylus in the dark. Push and depress the TARGET LIGHT to turn it off. Push the release button to raise the light again and turn it on. 8Cartridge and headshel
14、l 9Finger lift q;PITCH BEND + and buttons qaInsulator qsDust cover qdHeadshell holder qfCounter weight qgHinge qh45 adaptor qjheight adj (adjusting) lever Use this lever to adjust the vertical position of the tonearm (wd). qkLOCK lever (for height adjustment) qlANTI-SKATING dial w;Cueing lever waArm
15、 stand wsSpeed-adjustment hole This hole is for use by qualified service technicians only. wdTonearm wfPITCH ADJ. (adjusting) knob wgQUARTZ lock button whSPEED (33/45) button wjLocking ring 1 qs qd qf qg qh qj qk ql w; wa ws wd wf wg wh wj 2 3 4 5 6 7 8 9 0 qa This section is extracted from instruct
16、ion manual. 4 Assembling the Turntable 3 4 5 1 2 1Carefully place the platter onto the spindle. Make sure the two pins on the bottom of the platter are properly inserted into the two holes in the motor, as indicated by the arrows in the illustration above. 2Place the slip mat on the platter. 3Slide
17、the counterweight onto the shaft at the rear of the tonearm and turn 3 or 4 times in the direction of the arrow. 4Insert the headshell into the end of the tonearm. Turn the locking ring in the direction of the arrow until the headshell is secure. 5Insert the hinges on the dust cover into the hinge p
18、ockets on the rear of the cabinet. 6 Getting Started Adjusting the Turntable Before attempting to play any records, be sure to complete the following steps to properly adjust the tonearm balance, tracking force and anti-skating dial. Failure to complete these adjustments will result in inferior soun
19、d quality and may cause permanent damage to the stylus and record. 1Make sure the turntable is level. 2Set ANTI-SKATING to “0.” 0 1 2 3 4 5 6 7 A N T I - S K A T I N G 3Set the cueing lever to the down position. 4Turn up the protective cover to expose the stylus, and move the tonearm to the space be
20、tween the arm stand and the platter. Take care not to damage the stylus. 5Balance the tonearm by turning the counterweight either clockwise or counterclockwise. When the tonearm is properly balanced It will remain level with the platter when released. It should not tilt in the direction of either th
21、e headshell or the counterweight. 6Return the tonearm to the arm stand. 7A properly balanced tonearm has a tracking force of zero. Therefore, rotate the tracking force scale ring until “0” is aligned to the index line. Restrain the counterweight with your other hand so that it does not rotate along
22、with the scale ring. 0 Index line 8When you use the supplied cartridge, turn the counterweight counterclockwise one full rotation, and then continue turning it until the index line comes to 1. Since one full rotation of the counterweight yields a tracking force of 3 grams, this adjustment results in
23、 a tracking force of 4 grams, which is the normal requirement for the supplied cartridge. You can set a tracking force of 3 to 7 grams. 1 When optionally available cartridge is used The tracking force scale ring is marked in 0.1-gram units. One full rotation yields a tracking force of 3 grams. 9Set
24、ANTI-SKATING to the same value as the tracking force scale ring. The numbers on the ANTI-SKATING dial indicate the number of grams in tracking force. Turn this ring so that the “0“ lines up with the index line. Turn the counterweight counterclockwise one full rotation, and then a little more until t
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