For U.S.A. model Ver. 5 SERVICE MANUAL MODEL Please refer to the MODIFICATION NOTICE. DP-500M DIRECT DRIVE TURN TABLE SYSTEM 注 意 サービスをおこなう前に、このサービスマニュアルを 必ずお読みください。本機は、火災、感電、けがなど に対する安全性を確保するために、さまざまな配慮を おこなっており、また法的には「電気用品安全法」に もとづき、所定の許可を得て製造されております。 従ってサービスをおこなう際は、これらの安全性が維 持されるよう、このサービスマニュアルに記載されて いる注意事項を必ずお守りください。 本機の仕様は性能改良のため、予告なく変更すること があります。 ● 補修用性能部品の保有期間は、製造打切後8年です。 ● For purposes of improvement, specifications and design are subject to change without notice.
DP-500M 2 SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. LEAKAGE CURRENT CHECK Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resistance check. If the leakage current exceeds 0.5 milliamps, or if the resistance from chassis to either side of the power cord is less than 460 kohms, the unit is defective.
DP-500M DISASSEMBLY ( For reassembling, do reverse manner as to disassembling.) 1. PLATTER (1) Remove mat on the platter. (2) Remove platter by both hands. 2. BOTTOM BASE ASS'Y (1) Put cabinet reversely. (2) Remove 9 screws securing the bottom base Ass’y. (3) Remove bottom base Ass’y by both hands.
DP-500M 3. MAIN P.W.B. ASS'Y , TONE ARM ASS'Y (1) Remove 4 screws ① fastening the main P.W.B Ass’y. (2) Unsolder 5 wires and GND wire from arm section on the output P.W.B. Ass’y. (3) Remove 3 screws ② secured the tone arm.( Hold tone arm during removing.) 1 2 CN9 01 4. D.D. MOTOR ASS'Y, TRANSFORMER (1) (2) (3) (4) (5) Remove 5 screws ③ secured the D.D.motor Ass’y. Unsolder GND wire from output P.W.B. Ass’y on the D.D.motor Ass’y. Put cabinet reversely. Remove 4 screws ④ secured D.D.motor Ass’y.
DP-500M 5. BUTTON ASS'Y (1) Remove 6 screws ⑦ secured the plates. (2) Remove 3 screws ⑧ secured the 33/45 P.W.B. Ass’y. (3) Remove the plates from the button frame. 8 7 7 7 6. BUTTON DISASSEMBLING (1) Insert a screwdriver or similar tool into the holes ( two places ) on the bottom of button frame and push in the arrow direction firmly to remove the button from push switch. (2) Remove 2 screws ⑨ in the button frame.
X301 OSCILLATOR 16MHz IC301 BD4745G RESET IC 6 33 1/3,45 LED DISPLAY MAX003 CPU IC303 IC302 BA10393 CIRCUIT RECTIFIER IC304 W27C512 ROM IC105 4580 THE TWO-PHASE CONVERTS THREE-PHASE VOLTAGE IC104 4580 LEVEL ADJ.
DP-500M ADJUSTMENT 1. WOW AND FLUTTER (1) (2) (3) (4) (5) Remove the platter and put cabinet reversely. Remove the bottom base Ass’y. Connect 2 digital volt meters or testers to CN104 of D.D. motor P.W.B.( refer to the CN104 fig.) Turn ON and set the speed select switch to 33 rpm. Adjust R134 so that the absolute DC voltage of two meters may become the nearest.
DP-500M SEMICONDUCTORS Only major semiconductors are shown, general semiconductors etc. are omitted to list.
DP-500M NJM-2147D (IC101,102) OUT1 1 -IN1 2 1ch - + 8 Vcc 7 OUT2 2ch + - +IN1 3 6 -IN2 VEE 4 5 +IN2 HEDS9700F51 (IC103) 9 9
DP-500M US1881 (H11 ∼ H13) U18 * 135 PINOUT: 1 2 3 P in 1 Pin 2 Pin 3 V DD GND Output DTC124TS (3) Base (2) Collector (1) Emitter 2SB1340 C B R1 R1≒5.0kΩ R2≒300Ω R2 E B : Base C : Collector E : Emitter 2SD1889 C B R1 R1≒5.
PRINTED WIRING BOARD (1/2) 1 2 DP-500M 4 3 5 6 11 8 7 MAIN P.W.B. UNIT COMPONENT SIDE FOIL SIDE A B C OUTPUT P.W.B. UNIT 33/45 P.W.B. UNIT AC P.W.B. UNIT START/STOP P.W.B.
DP-500M PRINTED WIRING BOARD (2/2) 1 2 3 4 5 6 7 12 8 D. D. MOTER P.W.B.
DP-500M NOTE FOR PARTS LIST l Part indicated with the mark " " are not always in stock and possibly to take a long period of time for supplying, or in some case supplying of part may be refused. l When ordering of part, clearly indicate "1" and "I" (i) to avoid missupplying. l Ordering part without stating its part number can not be supplied. l Part indicated with the mark " " is not illustrated in the exploded view. l Not including Carbon Film Resister ±5%, 1/4W Type in the P.W.Board parts list.
DP-500M PARTS LIST OF P.W.B. UNIT ASS’Y PARTS LIST OF MAIN P.W.B. ASS'Y Ref. No. Part No. Part Name Remarks New SEMICONDUCTORS GROUP IC301 941 0021 900 IC(BD4745G/BD4745G/TR) 417-HDJ2000-503 * IC302 941 0021 803 IC(BA10393F/BA10393FE2,SOP-8) 417-DV330-197 * IC303 941 0021 706 IC(MAX003,FP-100B) 417-DJ5500-578 * IC304 941 0025 003 IC SOCKET(28PIN P=2.
DP-500M Ref. No. Part No. Part Name Remarks C305 958 0055 505 CERAMIC CAPACITOR(0.1uF/50V,Z,TAPING,Y5V) 413-3113-035 C306 958 0055 505 CERAMIC CAPACITOR(0.1uF/50V,Z,TAPING,Y5V) 413-3113-035 C307 958 0055 505 CERAMIC CAPACITOR(0.1uF/50V,Z,TAPING,Y5V) 413-3113-035 C308 941 0024 208 ELEC. CAPACITOR(100uF/10V,M,TAPING 5*11) 413-3113-046 C309 941 0024 703 ELEC. CAPACITOR(1uF/50V,M,TAPING 5*11) 413-3113-049 413-3113-035 New C310 958 0055 505 CERAMIC CAPACITOR(0.
DP-500M PARTS LIST OF OUTPUT&POWER P.W.B. ASS'Y Ref. No. Part No. Part Name Remarks New CAPACITORS GROUP ! C01 958 0045 308 MEX CAPACITOR(0.1uF/250V,K,BULK) 413-PROTT1-432 ! C02 958 0010 003 SPARK CAPACITOR(4700pF/250V,M,BULK,Y5V) 413-1431-104 ! F01 958 0046 404 FUSE(1A/250V,T-MARK/UL/CSA) ! F1 941 0022 608 WAVE FILTER 415-1300-239 * CN1 941 0022 501 2P SOCKET(P=3.
DP-500M Ref. No. Part No.
DP-500M Ref. No. Part No.
DP-500M Ref. No. Part No. Part Name Remarks New C909 941 0024 402 ELEC. CAPACITOR(2200uF/35V,M,BULK 16*25) 413-HT7016-223 C910 941 0024 402 ELEC. CAPACITOR(2200uF/35V,M,BULK 16*25) 413-HT7016-223 * * C911 941 0024 211 ELEC. CAPACITOR(100uF/35V,M,TAPING 8*11) 413-HMD5000-356 * 413-3113-035 C912 958 0055 505 CERAMIC CAPACITOR(0.1uF/50V,Z,TAPING,Y5V) C913 941 0024 211 ELEC. CAPACITOR(100uF/35V,M,TAPING 8*11) 413-HMD5000-356 C914 958 0055 505 CERAMIC CAPACITOR(0.
DP-500M EXPLODED VIEW 20 Parts List WARNING: Parts marked with this symbol have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.
DP-500M PARTS LIST OF EXPLODED VIEW ! Ref. No. Part No. Q'ty New 1 941 0015 000 CHASSIS Part Name 300-500-1024 Remarks 1 * 2 941 0015 107 BOTTOM BASE ASS'Y 703-500-751 1 * 3 941 0015 301 ALUMINUM PLATTER ASS' Y 702-500-039 1 * 5 941 0015 204 SLIPMAT PACKING ASS' Y 705-500-867 1 * 9 10 941 0015 602 941 0022 802 POWER BUTTON BUTTON FRAME 701-500-2908 100-5500-2094 1 2 * * 11 941 0019 501 SCREW(M3*8,P=0.
DP-500M ! Ref. No. Part No. 66 00D 941 0056 302 Q'ty New RATING LABEL 67 Part Name 501-500E3-1680A Remarks 1 * 958 0004 404 SERIES NO.
DP-500M POINTS OF GREASING Grease Maker CR-S Daizo Corporation (Nichimoly) KF-96H Shin-Etsu Chemical Co., Ltd. 4 Note Synthetic oil based resin-use lithium grease 2 Dimethyl silicone fluid 100.
DP-500M PACKING VIEW 4 2 3 8 1 6 13 7 12 16 11 9 10 16 12 5 14 15 PARTS LIST OF PACKING & ACCESSORIES Ref. No. Part No.
DP-500M CONNECTIONS 33/45 P.W.B. D.D. MOTOR P.W.B. 11P C909 CN901 C901 CN301 CN303 CN302 M A I N P.W.B. CN1 A B POWER P.W.B. OUTPUT P.W.B.
DP-500M NOTE FOR SCHEMATIC DIAGRAM 配線図について ! 印の部品は安全を維持するために重要な部品です。 従って交換時は必ず指定の部品を使用してください。 WARNING: Parts marked with this symbol ! have critical characteristics. Use ONLY replacement parts recommended by the manufacturer.
DP-500M 1 2 4 3 5 8 7 6 D.D. MOTOR UNIT C103 1SS132 270 Vin D104 1SS132 C102 102P R104 22K Q104 2SB1340 1 1W 10 11 IC106D BU4066 F03 D904 F02 R113 270 1SS132 C106 102P R114 22K C134 100u/35 R112 270 22K C135 100u/35 102P 1SS132 1 1W 8 9 C138 0.1u IC106C BU4066 C109NC 1SS132 C107 102P R120 C112 0.1uF C116 100uF/35V R116 680 22K 5 C136 100u/35 4 Q108 2SD1889 7 + R124 560K D114 D116 1SS132 R118 R119 270 22K 1 1W C113 0.
DP-500M 1 2 4 3 5 8 7 6 MAIN UNIT 5V 5V R309 10K D303 1SS132 22K C305 0.1uF R312 3.3K IC302B BA10393 5 6 D304 1SS132 CN302 5V L301 1M R311 22K C304 1000P 1 2 3 4 5 6 7 8 9 10 11 R313 + - FB CHA R315 7 C306 0.1uF R316 47K 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 C320 D306 1SS132 C318 0.1uF C319 100u/10 100 L304 FB LA LC LA LC LOCK GND HC HB HA CHA CHB 5V 12V HC HB HA 5V 11P 33/45 UNIT D202 45 33LED 45LED 33/45 SW201 33/45 GND 0.
