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Samsung MM-DX7, Service Manual

The Samsung MM-DX7 is a cutting-edge audio system that promises an immersive music experience. Unlock its full potential by following the comprehensive Instruction Manual available for free download from our website. This manual provides step-by-step guidance and troubleshooting tips, allowing users to maximize their enjoyment of this exceptional product.

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MICRO COMPONENT
SYSTEM

BASIC MODEL: 

MM-X7/DX7/KX7

SERVICE

Manual

MICRO COMPONENT SYSTEM

Features

* MP3-CD/DVD/ CD-R/ RW Playback

* USB HOST

* Tuner 

- Confidential -

Summary of Contents for MM-DX7

Page 1: ...MICRO COMPONENT SYSTEM BASIC MODEL MM X7 DX7 KX7 SERVICEManual MICRO COMPONENT SYSTEM Features MP3 CD DVD CD R RW Playback USB HOST Tuner Confidential ...

Page 2: ...rrent for Appliances and Underwriters Laboratories UL Publication UL1410 59 7 With the unit completely reassembled plug the AC line cord directly into a 120V AC outlet With the unit s AC switch first in the ON position and then OFF measure the current between a known earth ground metal water pipe etc and all exposed metal parts Examples Handle brackets metal cabinets screwheads and control shafts ...

Page 3: ...nplug the unit s AC power cord from the AC power source before attempting to a Remove or reinstall any component or assembly b Disconnect an electrical plug or connector c Connect a test component in parallel with an electrolytic capacitor 3 Some components are raised above the printed circuit board for safety An insulation tube or tape is sometimes used The internal wiring may be clamped to preve...

Page 4: ...ready to install it Most replacement ESDs are packaged with leads that are electrically shorted together by conductive foam aluminum foil or other conductive materials 8 Immediately before removing the protective material from the leads of a replacement ESD touch the protective material to the chassis or circuit assembly into which the device will be installed 9 Minimize body motions when handing ...

Page 5: ...d plane which is grounded 3 The repair technician must wear a wrist strap which is grounded to the copper sheet 4 To remove the Optical Pickup block Place the set on the conductive sheet and momentarily touch the conductive sheet with both hands While working do not allow any electrostatic sources such as clothes to touch the unit 5 Ground the Short Terminal located on the PCB inside the Pickup As...

Page 6: ...on disc the disc can be played only up to the blank segment A maximum of 9 999 images can be stored on a single CD When playing a Kodak Fuji Picture CD only the JPEG files in the picture folder can be played Picture discs other than Kodak Fuji Picture CDs may take longer to start playing or may not play at all Disc Recording Format CD R MP3 Discs Only CD R discs with MP3 files in ISO 9660 or Jolie...

Page 7: ...io Channel separation Input sensitivity G E N E R A L T U N E R F M T U N E R MW VIDEO OUTPUT A M P L I F I E R 60W 4 3Kg 170 x 175 x 292 mm 5 C 35 C 10 75 10dB 55dB 0 8 56dB 40dB 2 1 0Vp p 75Ω load Y 1 0Vp p 75Ω load Pr 0 7Vp p 75Ω load Pb 0 7Vp p 75Ω load 20W CH 20Hz 20kHz 75dB 50dB AUX 500mV Impedance Frequency range Output sound pressure level Rated input Maximum input Dimensions W x H x D Wei...

Page 8: ...M X7 KOREA AH59 01787E REMOCON ASSY MM X7 NOEUR SAMSUNG 172 48 MM X7 EXP AH59 01787A REMOCON ASSY MM DX7 KOR SAMSUNG 237 48 MM DX7 KOREA AH59 01787B REMOCON ASSY MM DX7 NOEUR SAMSUNG 237 48 MM DX7 EXP AH59 01787C REMOCON ASSY MM KX7 SAMSUNG 237 48 MM KX7 AH59 01198F MICROPHONE 3 5PI 172MM 600OHM 53 172MM MM KX7 AH46 00038A DISC WMA R K 4000 SONGS 12CM DVD MM KX7 AH68 01772B MANUAL SONG BOOK REV 06...

Page 9: ...2 4 Samsung Electronics 4 Specification Comparison MM DX7 Model Name MM DT8 2006 2007 Year 40W 20W X X 5 1 CH OUTPUT O O USB HOST ...

Page 10: ...Samsung Electronics 3 1 3 How to disassemble ...

Page 11: ...3 2 Samsung Electronics ...

Page 12: ...Samsung Electronics 4 1 4 TroubleShooting ...

Page 13: ...4 2 Samsung Electronics ...

Page 14: ...Exploded Views and Parts List 1 Total Exploded View AD150 AD300 AW120 AC010 HOLD LENS SHEET AC020 AC050 AC070 AC330 TJ1 HEAT AB120 AB130 AL002 AD005 AS260 AH155 AD450 AK420 AL210 AK250 AC320 AK130 MICG AL070 AC060 HEAT AS222 AC080 ...

Page 15: ...7B CABINET SIDE L MM DX7 ABS W242 L1 AC070 AH64 04228B CABINET SIDE R MM DX7 ABS W242 L1 AD150 AH64 04223B DECORATION FRONT MM X7 ABS W170 L X AD300 AH64 04232A DECORATION RING MM DX7 ABS X AD450 AH64 04224J DOOR CASSETTE MM DX7 ABS W91 4 AK250 AH64 04235B KNOB MIC MM DX7 ABS T9 4 W12 2 BLK AK420 AH64 04234B KNOB VOLUME MM DX7 ABS W29 L8 BLK AL002 AH95 50001A ASSY LATCH MAX555 AS222 AH63 01346A SH...

Page 16: ...MIC MLC AXIAL 10NF 30 16V Y5S TP FC12R 2202 000797 C CERAMIC MLC AXIAL 10NF 30 16V Y5S TP FC13 2401 000042 C AL 100uF 20 16V GP TP 6 3x7 5 FC1L 2203 000595 C CER CHIP 0 22nF 5 50V C0G 2012 FC1R 2203 000595 C CER CHIP 0 22nF 5 50V C0G 2012 FC2 2203 000239 C CER CHIP 0 1nF 5 50V C0G 2012 FC22 2401 000651 C AL 2 2uF 20 50V GP TP 4x7 5 FC23 2401 000651 C AL 2 2uF 20 50V GP TP 4x7 5 FC2L 2401 000651 C ...

Page 17: ... CERAMIC DISC 47nF 80 20 12 5x4m RC15 2201 000161 C CERAMIC DISC 10NF 80 20 500V Y5V TP RC2 2401 001633 C AL 6800uF 20 25V GP BK 18x35 5 7 RC4 2401 001052 C AL 3300uF 20 25V GP 16x31 5 7 RC5 2401 000804 C AL 220uF 20 16V GP TP 8x9mm 5 RC6 2401 000027 C AL 4 7uF 20 50V GP TP 5x11 5 RC7 2401 000918 C AL 22uF 20 16V GP 6 3x7 5 RD11 0402 000450 DIODE BRIDGE PBL403 200V 4A DIP 4 ST RD16 0402 000127 DIO...

Page 18: ...000981 R CHIP 5 6Kohm 5 1 8W TP 2012 HR5R 2007 000981 R CHIP 5 6Kohm 5 1 8W TP 2012 HR6L 2007 000338 R CHIP 120Kohm 5 1 8W TP 2012 HR6R 2007 000338 R CHIP 120Kohm 5 1 8W TP 2012 HR8L 2007 000282 R CHIP 100Kohm 5 1 8W TP 2012 HR8R 2007 000282 R CHIP 100Kohm 5 1 8W TP 2012 HR9 2007 000468 R CHIP 1Kohm 5 1 8W TP 2012 IC1 1204 002233 IC VOLUME TONE CONT PT2399S SO 16P 300M IC2 1201 001572 IC PREAMP 20...

Page 19: ... 0501 000341 TR SMALL SIGNAL KSC1623 L NPN 200mW SOT UR1 2007 000290 R CHIP 100ohm 5 1 8W TP 2012 UR101 2007 000468 R CHIP 1Kohm 5 1 8W TP 2012 UR103 2007 000565 R CHIP 220Kohm 5 1 8W TP 2012 UR111 2007 000468 R CHIP 1Kohm 5 1 8W TP 2012 UR112 2007 000468 R CHIP 1Kohm 5 1 8W TP 2012 UR113 2001 000666 R CARBON 33OHM 5 1 8W AA TP 1 8X3 2MM UR114 2001 000666 R CARBON 33OHM 5 1 8W AA TP 1 8X3 2MM UR11...

Page 20: ...F 10 16V X7R 1608 MC36 2203 005148 C CER CHIP 100nF 10 16V X7R 1608 MC37 2203 005148 C CER CHIP 100nF 10 16V X7R 1608 MC38 2203 005148 C CER CHIP 100nF 10 16V X7R 1608 MC39 2203 005148 C CER CHIP 100nF 10 16V X7R 1608 MC4 2203 005148 C CER CHIP 100nF 10 16V X7R 1608 MC40 2203 005148 C CER CHIP 100nF 10 16V X7R 1608 MC41 2203 005148 C CER CHIP 100nF 10 16V X7R 1608 MC43 2203 005148 C CER CHIP 100nF...

Page 21: ...3 000236 C CER CHIP 0 1nF 5 50V C0G 1608 RC13 2203 000189 C CER CHIP 100nF 80 20 25V Y5V 1608 RC14 2402 001096 C AL SMD 220UF 20 16V GP TP 6 6X6 6X7 RC16 2203 001652 C CER CHIP 470nF 80 20 16V Y5V 1608 RC17 2203 000257 C CER CHIP 10nF 10 50V X7R 1608 RC19 2203 000189 C CER CHIP 100nF 80 20 25V Y5V 1608 RC2 2203 000280 C CER CHIP 0 01nF 0 5pF 50V C0G 1608 RC21 2203 000189 C CER CHIP 100nF 80 20 25V...

Page 22: ... RR90 2007 000102 R CHIP 100Kohm 5 1 10W TP 1608 RR92 2007 000102 R CHIP 100Kohm 5 1 10W TP 1608 SCREW1 6003 001464 SCREW TAPTITE BH B M3 L10 ZPC WHT TC5 2402 001096 C AL SMD 220UF 20 16V GP TP 6 6X6 6X7 TC6 2203 005148 C CER CHIP 100nF 10 16V X7R 1608 TC7 2402 001096 C AL SMD 220UF 20 16V GP TP 6 6X6 6X7 TC8 2203 005148 C CER CHIP 100nF 10 16V X7R 1608 TJ1 AH61 02345A BRACKET DVDP MM X7 SECC T0 6...

Page 23: ...Samsung Electronics 6 1 6 1 Wiring Diagram ...

Page 24: ...6 2 Samsung Electronics 6 2 PCB Diagram 1 MAIN FIC1 21PIN CLOCK FIC1 22PIN DATA FIC1 26 27PIN AUDIO SIGNAL ...

Page 25: ...Samsung Electronics 6 3 2 FRONT UIC1 15 16PIN 10MHz CRYSTAL UIC1 12 13PIN 32 768KHz CRYSTALS ...

Page 26: ...Samsung Electronics 7 1 This Document can not be used without Samsung s authorization 7 1 Block Diagram 1 MAIN Part ...

Page 27: ...7 2 Samsung Electronics This Document can not be used without Samsung s authorization 7 2 Schematic Diagram 1 1 MAIN 1 MICOM CLOCK 2 MICOM DATA 3 AUDIO SIGNAL 4 VIDEO SIGNAL ...

Page 28: ...Samsung Electronics 7 3 This Document can not be used without Samsung s authorization 4 3 2 1 2 1 FRONT 1 10MHz CRYSTAL 1 32 768KKHz CRYSTAL 3 AUDIO SIGNAL 4 VIDEO SIGNAL ...

Page 29: ...s Document can not be used without Samsung s authorization 8 1 MAIN MICOM and MPEG MICOM communication MPEG PCB 1 MAIN MICOM TO MAIN MICOM FE 1 U TXD waveform 2 U STB waveform 3 U RXD waveform 4 U ACK waveform 74HCT245 buffer IC ...

Page 30: ...8 2 Samsung Electronics This Document can not be used without Samsung s authorization 8 2 Servo MPEG PCB ...

Page 31: ...ed without Samsung s authorization 8 3 Video output MPPEG PCB VIDEO_Y VIEDO_PB and VIDEO_PR is component video output CVBS1 is composite video output LA73054 is video driver IC 1 CVBS1 waveform 1 VIDEO_Y waveform 1 VIDEO_PB waveform 1 VIDEO_PR waveform ...

Page 32: ...8 4 Samsung Electronics This Document can not be used without Samsung s authorization 4 PCB IC A SIDE ...

Page 33: ...Samsung Electronics 8 5 This Document can not be used without Samsung s authorization B SIDE ...

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