Technics SL-1210M5GE Service Manual
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Technics SL-1210M5GE Service Manual

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ORDER NO. AD0303062C0
A2
Turntable System
SL-1210M5GE
SL-1210M5GEB
SL-1210M5GGN
SL-1210M5GPP
Colour
Black Type: SL-1210M5G
SPECIFICATIONS
Specifications
1

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  • Page 1 ORDER NO. AD0303062C0 Turntable System SL-1210M5GE SL-1210M5GEB SL-1210M5GGN SL-1210M5GPP Colour Black Type: SL-1210M5G SPECIFICATIONS Specifications...
  • Page 2 TURNTABLE SECTION Type: Quartz direct drive Manual turntable Drive method: Direct drive Motor: Brushless DC motor Turntable platter: Aluminum diecast Diameter 33.2cm (13-5/ 64”) Mass 1.7kg (3.74lb.) Turntable speeds: 33-1/3 r/min, 45 r/min Variable range pitch: ±8%, ±16% (two settings) Starting torque: 1.5kg-cm (1.3lb-in) Build-up characteristics:...
  • Page 3 Stylus pressure 0-4g adjustment range: Applicable cartridge 3.5-13g weight range: 11-20.5g (including headshell) (with auxiliary weight); 9.5-13g 17-20.5g (including headshell) (with shell weight); 3.5-6.5g 11-14g (including headshell) Headshell weight: 7.5g GENERAL Power supply: AC110-127V/220-240V, 50Hz (E,EB,GN) AC120V, 60Hz (PP) Power consumption: 15W (E,EB,GN) 14.5W (PP) Dimensions (W×H×D):...
  • Page 4 Disc slip sheet set (RGS0005Z-1)...1pc. Disc slip sheet Transparent sheet Auxiliary weight (SFPWG17202)...1pc. EP record adaptor (SFWE010A)...1pc. Shell weight (SFPZB3501)...1pc. Overhang gauge (SFK0135-01)...1pc.
  • Page 5 Nuts (RHN26003)...2pcs. Screws(short) (SFCZV8801-1)...2pcs. Screws(long) (SFPEV9801-1)...2pcs. Washers(SFPEW9601)...2pcs. Sticker (RQLC0142-1)...1pc. 2. Controls 3. Turntable system pitch adj. slider replacement instructions.

  • Page 6: Safety Precaution

    4. Safety Precaution (This “Safety Precaution” is applied only in U.S.A.) 1. Before servicing, unplug the power cord to prevent an electric shock. 2. When replacing parts, use only manufacturer’s recommended components for safety. 3. Check the condition of the power cord. Replace if wear or damage is evident. 4.
  • Page 7 (Fig. B)

  • Page 8: Caution For Ac Mains Lead

    4. If the measurement is outside the specified limits, there is a possibility of a shock hazard. The equipment should be repaired and rechecked before it is returned to the customer. 5. Caution for AC Mains Lead 6. Operation Checks and Component Replacement Procedures...
  • Page 9 This section describes procedures for checking the operation of the major printed circuit boards and replacing the main components. For reassembly after operation checks or replacement, reverse the respective procedures. Special reassembly procedures are described only when required. 6.1. Checking for the main P.C.B. and power supply P.C.B.
  • Page 12 Check the main P.C.B. and power supply P.C.B. as shown below.
  • Page 13 6.2. Checking for the pitch control (1) P.C.B. Follow the (Step 1) of item 6.1.
  • Page 16 Check the pitch control (1) P.C.B. as shown below.
  • Page 17 6.3. Replacement for the drive coil ass’y and FG coil ass’y Follow the (Step 1) - (Step 4) of item 6.1.
  • Page 22 6.4. Replacement for the tonearm unit Follow the (Step 1) of item6.1.
  • Page 23 Follow the (Step 2) - (Step 7) of item 6.2.
  • Page 33 6.5. Replacement for the parts mounted onspeed selector P.C.B. and power switch Follow the (Step 1) of item 6.1. Follow the (Step 2) - (Step 7) of item 6.2.
  • Page 36 6.6. Replacement for the LED and stylus illuminator switch Follow the (Step 1) of item 6.1. Follow the (Step 2) - (Step 7) of item 6.2.
  • Page 39 7. Cautions in handling of the blue LED For lightening the needle tip, this unit uses a blue LED instead of a conventional lamp. The blue LED is very much sensitive to static electricity; therefore, be especially careful of handling it. Be careful of destruction by the static electricity This LED may be destroyed or worsened by the static electricity charged in clothes and human bodies.
  • Page 40 a wrist strap. Grounding for electrostatic breakdown prevention 1. Human body grounding - Use the anti-static wrist strap to discharge the static electricity from your body.(Fig. 12-1) (Fig. 12-1) 2. Work table grounding - Put a conductive material (sheet) or steel sheet on the area where the traverse deck (optical pick-up) is placed, and ground the sheet.(Fig.

  • Page 41: Measurements And Adjustments

    Caution: The static electricity of your clothes will not be grounded through the wrist strap. So take care not to let your clothes touch the traverse deck (optical pick-up). 8. Type Illustration of IC’s, Transistors and Diods 9. Measurements and Adjustments 9.1.
  • Page 42 Tester Frequency counter 9.2. Measurements and Adjustments 9.2.1. Pitch control ±0% adjustment (PITCH) 1. Connect the frequency counter [(+):TP1, (-):GND] and turn the power supply ON. 2. Set the pitch control knob (VR303) to “0” (center position). (Indicator lights up.) 3.
  • Page 43 (Fig.2)
  • Page 44 (Fig.3)

  • Page 45: Schematic Diagram

    10. Schematic Diagram 10.1. Schematic Diagram Notes S201: SPEED SELECTOR (33-1/3r/min) switch. S202: SPEED SELECTOR (45 r/min) switch. S203: START/STOP switch in “OFF” position. S401: STYLUS ILLUMINATOR switch in “ON” position. S501: PITCH RESET switch in “ON” position. S502: PITCH SELECT (±8%/±16%) switch in “±16%” position. S601: POWER switch in “ON”...

  • Page 46: Printed Circuit Board Diagram

    S602: VOLTAGE SELECTOR switch in “220-240V” position. [E,EB,GN] VR201: BRAKE ADJUSTMENT VR. VR303: PITCH CONTROL ADJUSTMENT VR. VR501: PITCH CONTROL ±0% ADJUSTMENT VR. The voltage value and waveforms are the reference voltage of this measured by DC electronic voltmeter (high impedance) and oscilloscope on the basis of chassis.

  • Page 47: Block Diagram

    When replacing any of components, be sure to use only manufacture’s specified parts shown in the parts list. The parenthesized indications in the Remarks columns specify the areas. Parts without these indications can be used for all areas. (E): SL-1210M5GE (EB): SL-1210M5GEB...
  • Page 48 (GN): SL-1210M5GGN (PP): SL-1210M5GPP Capacity values are in microfarads (uF) unless specified otherwise, P=Pico- farads (pF) F=Farads (F) Resistance values are in ohms, unless specified otherwise, 1K=1,000 (OHM), 1M= 1,000k (OHM) The marking <RTL> indicates the retention time is limited for this item. After the discontinuation of this assembly in production, it will no longer be available.
  • Page 49 Ref. No. Part No. Part Name & Description Remarks REZ1548 WIRE KIT RGK1603Z-S LAMP CASE ASS’Y RMX0243 LED SPASER RTW-12 WASHER SFGZ122-021 RUBBER SFQA122-02 SPRING SFQA172-01 SPRING SFQA520-011 SPRING SFUP122-02E BRACKET,ILLUMINATOR SFUP122-03 PLATE,LOCK OPERATION SFUP122-15-1 STOPPER,SPRING SFX0172-01-1 PIN,GUIDE SFXJ172-011 PIN,LOCK CANCELLER SFXJ172-05 XSN2+10 SCREW...
  • Page 50 Ref. No. Part No. Part Name & Description Remarks SFPKD12201-1 BRACKET,ARM BASE SFPAB17206A KNOB,ANTI-SKATING CONTROL RFKN1200M5GB ARM BASE ASS’Y XTW26+6S SCREW SFPRT17201K1 ARMREST ASS’Y SFPRT18201K ARM LIFT SFPZB12201K PLATE SFPZB17202A KNOB,ARM LOCK SFQA829-03 SCREW SFXG829-1 SCREW XTN3+6J SCREW XTN3+8J SCREW XTW3+6T SCREW XUC25FY...
  • Page 51 SCREW SFPEV9801-1 SCREW SFPEW9601 WASHER SFPZB3501 SHELL WEIGHT SFPWG17202 AUXILIARY WEIGHT SFK0135-01 OVERHANG GAUGE RGS0005Z DISC SLIP SHEET ASSY RQLC0142-1 TECHNICS LABEL RQCA1082 NOTE SHHET RQCA1081 NOTE SHEET (PP,EB,GN) ECA1HM471S 50V 470U RCE1EU330BV 25V 33U F2A1E330A014 ECEA1EKA220B 25V 22U C5,C6 ECQM1223KZ3 125V 0.022U...
  • Page 52 Ref. No. Part No. Part Name & Description Remarks C209 RCE1AU101BV 10V 100U F2A1A101A019 C210,11 ECQV1H224JM3 50V 0.22U C212 RCE1HKA3R3BG 50V 3.3U F2A1H3R3A015 C213 ECCR1H471K5 50V 470P C214 RCE1AU101BV 10V 100U F2A1A101A019 C215 ECA1HAK010XI 50V 1U C216 RCE1AKA470BG 10V 47U F2A1A470A011 C217-19 ECFF1H104ZF5...
  • Page 53 SFHH122-011 CUSHION,FRONT...
  • Page 54 Ref. No. Part No. Part Name & Description Remarks SFHH122-02 CUSHION,REAR (PP,E) RPN0710 CUSHION,REAR (EB,GN) SFHD122N05-1 PAD,TOP (PP,E) RPQ0365-1 PAD,TOP (EB,GN) SFHD122-02 PAD(A) RPN0306 PAD(B) RPH0133 PROTECTION SHEET SFHZ122-01 PROTECTION SHEET XZB60X65A01X POLYETHYLENE BAG XZB45X50A01X POLYETHYLENE BAG SFYF09A15Z PROTECTION BAG XZB05X06C03Z PROTECTION BAG XZB25X34C03X...
  • Page 55 Ref. No. Part No. Part Name & Description Remarks R202 ERDS2FJ103 1/4W 10K R203 ERDS2FJ470 1/4W 47 R204 ERDS2TJ272T 1/4W 2.7K R205 ERDS2TJ124 1/4W 120K R206 ERDS2TJ183 1/4W 18K R207 ERDS2FJ563 1/4W 56K R208 ERDS2FJ224 1/4W 220K R209 ERDS2FJ334 1/4W 330K R210 ERDS2TJ183 1/4W 18K...

  • Page 56: Cabinet Parts Location

    Ref. No. Part No. Part Name & Description Remarks VR303 SFDZ122N11-4 SLIDE VR VR501 EVND8AA03B22 X201 RSXB4M13J01 CRYSTAL OSCILLATOR H0H419400004 X501 RSXB4M13J01 CRYSTAL OSCILLATOR H0H419400004 KIT1 RFKBL120M5GK PITCH ADJ. VR 15. Cabinet Parts Location 15.1. Cabinet 15.2. Tonearm 16. Packaging 17.
  • Page 57 2003 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law.
  • Page 59 POSITION DETECTOR COIL S601 For [PP] area. (POWER) Q1~3,D3 AN6675 AC IN REGULATOR RECT. IC101 TURNTABLE DRIVE VOLT S602 For [E,EB,GN] areas. (50kHz) 3-DIFFERENCE POWER TR. DRIVE COIL FULL-WAVE NPN DRIVE COIL AMPLITUED CREATION P-SIGNAL DETECTOR POWER TR. 3-DIFFERENCE DRIVE COIL FULL-WAVE PNP POSITION ( + , -)
  • Page 60 Note: This printed circuit board diagram may be modified at any time with the development of new technology. REGULATOR P.C.B. STROBE ILLUMINATOR P.C.B. DRIVE CONTROL P.C.B. TP27 CN101 R212 CN105 (REP3552A-S) D301 (REP3461B-M) R306 CN104 C306 R307 R304 R215 C214 R214 VR201 D204A...
  • Page 61 POWER SUPPLY P.C.B. For [E,EB,GN] areas. PITCH CONTROL(1) P.C.B. POWER SUPPLY P.C.B. PITCH CONTROL(2) P.C.B. For [PP] area. S602 (VOLTAGE R601 SELECTOR) (BRN) CN106 (WHT) 125V 1.2A For [E] area. (BLK) (BLU) R601 S601 (POWER) FW105 For [EB,GN] areas. FW104 125V 250mA F2 T1A D401...
  • Page 62 POWER SUPPLY CIRCUIT REGULATOR CIRCUIT For [PP] area. For [EB,GN] areas. 35.8V S601 (POWER) C601 0.047 2SD126507 21.6V R601 3.3M REGULATOR POWER SUPPLY S601 (POWER) For [E] area. CIRCUIT C601 R601 0.047 D2SBA20 DRIVE CONTROL CIRCUIT S602 125V250mA 125V1.2A (VOLTAGE SELECTOR) 35.8V 21.6V Q2,3...
  • Page 63 For [PP] area. S601 (POWER) POWER SUPPLY S601 (POWER) CIRCUIT DRIVE CONTROL CIRCUIT 125V250mA 125V1.2A C601 R601 AC LINE T250m 0.047 1/2W4.7 S501 OFF,0V 110-120V AC120V TP24 AC 30V S501 ON,5.3V R306 /220-240V (60Hz) TP27 50/60Hz 3.8V 5.4V S501 OFF,5.3V ROTATION STOP S501...
  • Page 64 POWER SUPPLY CIRCUIT REGULATOR CIRCUIT For [EB,GN] areas. 35.8V C601 0.047 2SD126507 21.6V R601 3.3M REGULATOR S601 (POWER) For [E] area. C601 R601 0.047 D2SBA20 S602 (VOLTAGE SELECTOR) 35.8V 21.6V Q2,3 AC LINE 2SD637-QRS T250mA 110-120V 22.1V REGULATOR /220-240V AC 30V 50/60Hz 22.1V 6.8K...
  • Page 65 AN6680 AN6675 NJM78M05FA UN4115TA TC4011BP 14PIN C2BAED000009 42PIN No.1 2SC2458GR 2SD126507 2SC1846-QRS 2SD637-QRS MA4051MTA MA165TA5 MA4030LTA Cathode Cathde Anode Anode B3AFA0000034 D2SBA20 SVDPR3902S-9 LMW9A8BYB0A1 LN21CAL RXQ1004 Anode Anode Anode Cathde Cathde Cathde...
  • Page 66 D505 REGULATOR P.C.B. J2 J3 BLACK FW105 FW104 STYLUS ILLUMINATOR J2 J3 SWITCH P.C.B. CN101 For [PP] area. CN105 AC120V FW106 POWER BROWN (60Hz) BROWN SUPPLY P.C.B. CN104 WHITE WHITE BLACK CN102 WHITE WHITE PITCH CONTROL(1) P.C.B. DRIVE CONTROL P.C.B. BLUE BLUE CN103...

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