Page 2 - SERVICE MANUAL; MODEL; DIRECT DRIVE TURNTABLE SYSTEM
D&M Holdings Inc. SERVICE MANUAL e e Copyright 2010 D&M Holdings Inc. All rights reserved. WARNING: Violators will be prosecuted to the maximum extent possible. MODEL JP E3 E2 EK EA E1 E1K E1C DP-A100 3 3 DIRECT DRIVE TURNTABLE SYSTEM Ver. 3 • Some illustrations using in this service manual...
Page 3 - Caution concerning electric shock!; CAUTION; Concerning important safety
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 l...
Page 4 - NOTE FOR SCHEMATIC DIAGRAM; NOTE FOR PARTS LIST
3 NOTE FOR SCHEMATIC DIAGRAM WARNING: Parts marked with this symbol z have critical characteristics. Use ONLY replacement parts recommended by the manufacture r. CAUTION: Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis resista...
Page 5 - TECHNICAL SPECIFICATIONS; Turntable section; Tone arm section; Total; DIMENSION
4 TECHNICAL SPECIFICATIONS 210 515 max 72 490 320 320 387465 max 14 53.5 280 53.5 105 30 75 n Turntable section Driving system : Servo system direct drive Speed : 33–1/3rpm, 45rpm Wow & fl utter : Less than 0.1 % WRMS Starting time : Specifi ed speed within 0.3 sec (for 33 rpm) Turntable : Alumin...
Page 6 - DISASSEMBLY
5 DISASSEMBLY • Follow the procedure below in reverse order when reassembling.• If wire bundles are untied or moved to perform adjustment or parts replacement etc., be sure to rearrange them neatly as they were originally bundled or placed afterward.Otherwise, incorrect arrangement can be a cause of...
Page 9 - ADJUSTMENT; Electrical Adjustment for Wow and Flutter
8 ADJUSTMENT Electrical Adjustment for Wow and Flutter (1) Detach the turntable and turn over the set.(2) Open the bottom cover.(3) Connect a digital volt meter or tester to CN104 (3P) on the Motor P.W.B..(4) Turn on the power. Set the speed to 33 rpm.(5) Insert a screwdriver into R134 (variable res...
Page 10 - BLOCK DIAGRAM
Page 11 - WIRING DIAGRAM; M A I N PCB
10 WIRING DIAGRAM GND PCB M A I N PCB D.D M OTOR PCB 33/45 PCB CN301 11 P CN901 C901 C909 CN303 CN302 B A POWER PCB CN1
Page 12 - PRINTED WIRING BOARDS; 鉛フリー半田; FOIL SIDE
11 PRINTED WIRING BOARDS 鉛フリー半田 半田付けには、鉛フリー半田 (Sn-Ag-Cu) を使用してください。 Lead-free Solder When soldering, use the Lead-free Solder (Sn-Ag-Cu). MAIN P.W.B. UNIT FOIL SIDE COMPONENT SIDE COMPONENT SIDE COMPONENT SIDE COMPONENT SIDE OUTPUT P.W.B. UNIT 33/45 P.W.B. UNIT AC P.W.B. UNIT START/STOP P.W.B. UNIT
Page 15 - MAIN UNIT
HA VCL 1 PB0 2 PB1 3 PB2 4 PB3 5 PB4 6 PB5 7 PB6 8 PB7 9 RESO 10 VSS 11 P90 12 P91 13 P92 14 P93 15 P94 16 P95 17 D0/P40 18 D1/P41 19 D2/P42 20 D3/P43 21 VSS 22 D4/P44 23 D5/P45 24 D6/P46 25 D7/P47 26 D8 27 D9 28 D10 29 D11 30 D12 31 D13 32 D14 33 D15 34 VCC 35 A0 36 A1 37 VSS 44 VSS 57 P60/W AIT 58...
Page 16 - EXPLODED VIEW
15 EXPLODED VIEW s Parts marked with this symbol have criticalcharacteristics.Use ONLY replacement parts recommended bythe manufacturer. WARNING: 3 1 2 5 9 10 10 11 12 13 44 11 46 14 41 43 43 15 68 16 17 18 45 46 42 19 19 20 20 20 21 21 22 23 23 24 24 24 25 27 28 88 28 88 29 47 30 31 76 76 35 31 33 ...
Page 17 - POINTS OF GREASING
16 POINTS OF GREASING s 3 1 2 5 9 10 13 44 11 46 14 41 43 43 15 68 16 17 18 45 46 42 19 19 20 20 20 21 21 22 23 23 24 24 24 25 27 28 88 28 88 29 47 30 31 76 76 35 31 33 70 36 34 81 70 23 23 37 39 39 39 39 53 94 40 37 39 39 59 23 23 33 39 96 48 50 69 49 54 23 51 55 56 91 60 60 60 60 60 75 75 75 75 62...
Page 18 - PARTS LIST OF EXPLODED VIEW
17 PARTS LIST OF EXPLODED VIEW s z Parts for which "nsp" is indicated on this table cannot be supplied. z P.W.B. ASS'Y for which "nsp" is indicated on this table cannot be supplied. When repairing the P.W.B. ASS'Y, check the board parts table and order replacement parts. z Part indic...
Page 19 - OPTION COUNTER WEIGHT; sd
18 Ref. No. Part No. Part Name Remarks Q'ty New z 47 nsp AC PCB ASSY E3 704-A100E3-9537 1 * 48 nsp SHEET 501-5500-1666 1 49 nsp SCREW 602-2002-085 3 50 nsp AC CORD FIXING PLATE 300-5500-1005 1 51 nsp RCA FIXING PLATE 703-A100-1312 1 * 52 nsp GND PCB ASSY 704-A100-9422 1 * 53 nsp BRACKET(L TYPE) 300-...
Page 20 - PACKING VIEW
19 PACKING VIEW s 16 18 2 15 3 7 4 5 6 20 21 22 23 23 20 14 14 1 -1~7 -1~2 11 -1~2 13 -1~7 12 -1~2 9 -1~2 10 for E3 10 10 for E2 -1~2 8 -1~3 -1 1 -3 1 -4 1 -2 17 -1~3 19
Page 21 - PARTS LIST OF PACKING VIEW
20 PARTS LIST OF PACKING VIEW s z Parts for which "nsp" is indicated on this table cannot be supplied. z Part indicated with the mark " ★ " is not illustrated in the exploded view. z The parts listed below are for maintenance only, might differ from the parts used in the unit in appe...
Page 22 - SEMICONDUCTORS; PIN DESCRIPTION
21 SEMICONDUCTORS Only major semiconductors are shown, general semiconductors etc. are omitted to list. The semiconductor which described a detailed drawing in a schematic diagram are omitted to list. 1. IC's MAX003 (IC303) W27E512-12/W27C512-45 (IC304) VC L 1 PB 0 2 PB 1 3 PB 2 4 PB 3 5 PB 4 6 PB 5...
Page 23 - Vcc
22 NJM-2147D (IC101,102) HEDS9700F51 (IC103) 1 2 3 4 8 7 6 5 Vcc OUT2 OUT1 -IN1 +IN1 V EE -IN2 +IN2 1ch 2ch + + - -