Technics SL-1210GREB Service Manual Download Page 8 | Manualshive

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Summary of Contents for SL-1210GREB

Page 1: ...c Corporation 2017 All rights reserved Unauthorized copying and distribution is a violation of law ORDER NO AD1703015CE Direct Drive Turntable System Model No SL 1210GREB SL 1210GREG Product Colour K Black Type ...

Page 2: ...PITCH KNOB PITCH KNOB SPACER POWER SW KNOB 24 6 5 INSULATORS 25 6 6 BOTTOM CHASSIS 25 6 7 DC MOTOR UNIT 26 6 8 TONE ARM UNIT QUEUING KNOB ARMREST UNIT 26 6 9 MAIN PCB 27 6 10 STYLUS LIGHT UNIT WITH LED PCB STYLUS SW PCB 28 6 11 RANGE PCB RANGE BUTTON UNIT INNER SUPPORT PLATE PITCH CONTROL UNIT WITH PITCH PCB 29 6 12 RESET PCB RESET SW HOLDER RESET BUTTON RESET BUTTON ORNAMENT 30 6 13 SMPS PCB SMPS...

Page 3: ...e exposed metal does not have a return path to the chassis the reading must be 1 1 2 Leakage current hot check See Figure 1 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a 1 5k 10 watts resistor in parallel with a 0 15 F capacitors between each exposed metallic part on the set and a good earth ground such as a water pipe as shown in Fig...

Page 4: ...4 ...

Page 5: ...f the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static solder removal device Some solder removal devices not classified as anti static ESD protected can generate electrical charge sufficient to damage ES devices 5 Do not use freon propelled chemicals These can generate electrical charges sufficient to damage ES devices 6 Do not remove a r...

Page 6: ...ead free solder is used Definition The letter of PbF is printed on the PCB using the lead free solder To put lead free solder it should be well molten and mixed with the original lead free solder Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC Since the melting point of the lead free solder is higher than that of the normal lead solder it takes the longer time ...

Page 7: ...B perform PITCH ADJ center position adjustment and amountic adjustment After replacing the DC motor unit perform amountic adjustment After replacing the pitch PCB perform PITCH ADJ center position adjustment For details of each adjustment see 8 Measurements and Adjustments Note when moving the unit Repackage the unit in the packaging it came in If you no longer have the packaging do the following ...

Page 8: ...8 3 Specifications ...

Page 9: ...9 4 Location of Controls and Components ...

Page 10: ...10 5 Troubleshooting Guide 5 1 No power ...

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Page 12: ...12 5 2 LED blinking error ...

Page 13: ...13 5 3 No sound ...

Page 14: ...14 5 4 The turn table does not operate rotate ...

Page 15: ...15 5 5 LEDs do not illuminate ...

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Page 20: ...front side is floating Securely attach the dust cover unit with the hinge inserted firmly 2 Loosen the 2 hinge plate unit screws on the back of the floating side Then adjust the height to even the gaps at 4 corners so there is no rattling Do not loosen the screws on the dust cover unit side 3 Tighten the 2 loosened screws and check if the gaps at 4 corners are even and there is no rattling The adj...

Page 21: ...21 6 1 PCB layout drawing ...

Page 22: ...er side When turning the unit over be sure to close the dust cover or put a cardboard as a base and place the unit on a soft thick cloth or cushion etc to prevent cracking When removing the DC motor unit and tone arm unit be sure to attach a soft cloth inside the dust cover beforehand to prevent cracking ...

Page 23: ...23 The following flow chart shows the procedure to disassemble exterior and interior parts for internal inspection Assembly is done in reverse order of the flow chart ...

Page 24: ...turn table 6 4 PITCH KNOB PITCH KNOB SPACER POWER SW KNOB 1 Remove the PITCH KNOB and PITCH KNOB SPACER in the direction of arrow 1 2 Remove the POWER SW KNOB in the direction of arrow 2 Notes when replacing the PITCH KNOB and PITCH KNOB SPACER Attach the PITCH KNOB SPACER with the C cut facing the upper right side Insert the PITCH KNOB at the edge of the pitch control volume Inserting it at the c...

Page 25: ...e INSULATORS in the direction of arrow and then remove them 4 points 6 6 BOTTOM CHASSIS 1 Remove the T T RUBBER MAT and TURNTABLE UNIT See 6 3 T T RUBBER MAT TURNTABLE UNIT step1 2 Remove the INSULATORS See 6 5 INSULATORS step2 and 3 3 Remove the screws A for removal Special Screw A THTF021J 1 1 2 N m 11 4 Remove the screws B for removal Screw B RHD30247 1 1 1 3 N m 4 ...

Page 26: ...y and then remove the DC MOTOR UNIT 6 8 TONE ARM UNIT QUEUING KNOB ARMREST UNIT Removing the TONE ARM UNIT 1 Remove the T T RUBBER MAT and TURNTABLE UNIT See 6 3 T T RUBBER MAT TURNTABLE UNIT step1 2 Remove the INSULATORS See 6 5 INSULATORS step2 and 3 3 Remove the BOTTOM CHASSIS See 6 6 BOTTOM CHASSIS step3 and 4 4 Remove the screws A and screw B for removal Screw A THTF021J 1 1 2 N m 3 Screw B X...

Page 27: ...commercially sold board ratchet driver Use a driver suitable for working in the gap of 25 mm 6 9 MAIN PCB Note when tightening the screw Be careful not to break the screw hole of the TOP PANEL Ref Turn it to the opposite side once and align the screw with the hole Then tighten with forward rotation 1 Remove the T T RUBBER MAT and TURNTABLE UNIT See 6 3 T T RUBBER MAT TURNTABLE UNIT step1 2 Remove ...

Page 28: ...8 1 N m 3 Note when attaching the stylus light ass y While pushing the stylus light ass y in the direction of arrow tighten the 3 screws in order 1 2 3 5 Remove the coupler and screws B for removal Coupler P401 Screw B XSN2 10FJ 0 1 0 3 N m 2 Note when attaching the STYLUS SW PCB Use a No 0 driver to remove the screw Tighten the 2 screws in the order 1 2 1 Tighten the screw 1 2 Tighten the screws ...

Page 29: ...WER SW KNOBP step1 3 Remove the INSULATORS See 6 5 INSULATORS step2 and 3 4 Remove the BOTTOM CHASSIS See 6 6 BOTTOM CHASSIS step3 and 4 5 Remove the coupler and screws A for removal Coupler P800 Screw A XTB3 8JFJK 0 8 1 N m 2 6 Remove the original screws B for removal Original screw B XTB3 8JFJK 0 8 1 N m 2 7 Remove the screw C for removal Screw C XTB3 8JFJK 0 8 1 N m 1 8 Remove the coupler and s...

Page 30: ...w A XTB3 8JFJK 0 8 1 N m 4 5 Remove the screws B for removal Screw B XTB3 8JFJK 0 35 0 55 N m 2 6 13 SMPS PCB SMPS HOLDER 1 Remove the T T RUBBER MAT and TURNTABLE UNIT See 6 3 T T RUBBER MAT TURNTABLE UNIT step1 2 Remove the INSULATORS See 6 5 INSULATORS step2 and 3 3 Remove the BOTTOM CHASSIS See 6 6 BOTTOM CHASSIS step3 and 4 4 Remove the couplers and screws A for removal Coupler P1701 P1702 P1...

Page 31: ... UNIT See 6 3 T T RUBBER MAT TURNTABLE UNIT step1 2 Remove the INSULATORS See 6 5 INSULATORS step2 and 3 3 Remove the BOTTOM CHASSIS See 6 6 BOTTOM CHASSIS step3 and 4 4 Remove the SMPS PCB SMPS HOLDER See 6 13 SMPS PCB SMPS HOLDER step4 5 and 6 5 Remove the screws A and screws B for removal Screw A RHD30111 31 0 8 1 N m 5 Screw B XTB3 8JFJK 0 8 1 N m 2 6 Remove the screws C for removal Screw C XY...

Page 32: ...RATION UNIT TOP PANEL 1 Remove the T T RUBBER MAT and TURNTABLE UNIT See 6 3 T T RUBBER MAT TURNTABLE UNIT step1 2 Remove the POWER SW KNOB See 6 4 PITCH KNOB PITCH KNOB SPACER POWER SW KNOB step2 3 Remove the INSULATORS See 6 5 INSULATORS step2 and 3 4 Remove the BOTTOM CHASSIS See 6 6 BOTTOM CHASSIS step3 and 4 5 Remove the screws A for removal Screw A XTB3 8JFJK 0 8 1 N m 4 6 Remove the strobe ...

Page 33: ...5 0 25 N m 1 8 Remove the couplers and screws C for removal Coupler P100 P101 Screw C XTB3 8JFJK 0 35 0 55 N m 2 9 Loosen the hook and remove the STROBE PCB 10 Remove the coupler for removal Coupler P300 Note when replacing the STROBE PCB Arrange the lead wire as shown a figure below ...

Page 34: ...ment when the DC Motor Unit or MAIN PCB is replaced 7 1 Service Mode Startup Procedure Service Mode Startup Procedure 1 In the power OFF state press the Start Stop button 45 button and X2 Pitch range select button simultaneously 2 Turn the power ON with POWER SW in the above step 1 status Service Mode Startup Check If the strobe at the lower part of POWER SW flashes at low speed the Service Mode h...

Page 35: ...ill memorize the center position When the LED of the X2 Pitch range select button blinks release the X2 Pitch range select button When the LED of the X2 Pitch range select button changes to illumination the adjustment is complete Note In the case that the LED of the X2 Pitch range select button does not illuminate perform readjustment For readjustment press and hold the X2 Pitch range select butto...

Page 36: ...ates again The adjustment is automatically performed The LED of the RESET button flashes during adjustment The turntable automatically stops when the data is acquired When the LED of the RESET button illuminate the adjustment is complete Adjustment time approx 1 minute Notes If the LED of the RESET button turns off or flashes or rotates backward anticlockwise even if 2 minutes has elapsed after ad...

Page 37: ...37 8 Dimensions ...

Page 38: ...UT RCA 24V 24V 24V OP AMP PWM PWM PWM OP AMP MOTOR DRV2 U V W 5V MOTOR DRV3 FG FG CIRCUIT HU HV HW X2 BLUE AD AD PITCH STYLUS LED STYLUS WHITE STROBE BLUE BLUE 33 33 BLUE 45 RESET RANGE START STOP 45 3 3 PITCH CONTROL UNIT WITH PITCH PCB BRAKE FAST SLOW AD TORQUE HIGH LOW P1701 P1732 P2101 P1730 RESET POWER P2102 P700 PB1002 P2103 P200 BLUE VCC LED VCC LED P600 P400 P401 P900 VCC LED P300 P100 P10...

Page 39: ... PCB PITCH CONTROL UNIT WITH PITCH PCB RESET PCB RENGE PCB ARM JACK TONE ARM UNIT STROBE PCB PANEL PCB P1702 2P P1731 2P P700 2P P300 5P P400 2P P2101 7P P200 6P P600 3P P800 5P P3101 11P PH1008 5P PF1006 3P P401 2P P900 2P P101 5P P100 11P P1701 2P PB1002 6P P2103 2P PA1001 11P P2102 2P P1730 2P P1732 7P ...

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Page 41: ...w and Replacement Parts List Please click the radio button for Diagrams II Parts List on the menu bar in XML Service Manual If you want to print please click the icon button for Print on the icon bar and select the item ...

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