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Samsung MM-16 Service Manual
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Samsung MM-16 Service Manual

Micro component system
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SERVICE
MICRO COMPONENT SYSTEM
©
Samsung Electronics Co., Ltd. Aug. 1996.
POWER
SUPER BASS
TUNING
DOWN
UP
ON/STANDBY
VOLUME
CD REPEAT A
B
EQ PRESET
PHONEG
MICRO COMPONENT
SYSTEM
MM-16
Manual
5. Special Circuit Descriptions
CONTENTS
Code No. AH68-20128A

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Summary of Contents for Samsung MM-16

  • Page 1: Table Of Contents

    ON/STANDBY VOLUME 7. Exploded Views and Parts List CD REPEAT A EQ PRESET 8. Electrical Parts List 9. Block Diagrams PHONEG 10. PCB Diagrams 11. Wiring Diagram 12. Schematic Diagrams © Samsung Electronics Co., Ltd. Aug. 1996. Code No. AH68-20128A...

  • Page 2: Precautions

    Examples: Handle brackets, Metal Part metal cabinets, screwheads and control shafts. The current measured should not Ohmmeter exceed 0.5 milliamp. Reverse the power- plug prongs in the AC outlet and repeat. Fig. 1-2 Insulation Resistance Test Samsung Electronics...
  • Page 3 Make sure that the 8. Always connect a test instrument's ground portion around the serviced part has not lead to the instrument chassis ground been damaged. before connecting the positive lead; always remove the instrument's ground lead last. Samsung Electronics...
  • Page 4 SCAN : Manufactured for Scandinavian KATSO SATEESEEN! Market. VARNING: OSYNLIG LASERSTRÅLNING NAR DENNA DEL AR OPPNAD OCH SPARREN AR URKOPPLAD BETRAKTA EJSTRÅLEN! Fig. 1-4 Warning Labels (Location: Disc Clamper, Inner Side of Unit Door or Nearby Unit Chassis ) Samsung Electronics...
  • Page 5 6. After replacing the Pickup, reopen the Short Terminal. See diagrams below: THE UNIT (1) WRIST-STRAP CONDUCTIVE SHEET FOR GROUNDING short short short short terminal terminal terminal terminal SOH-A1 SOH94T4N SOH91CI(CAR,walkman) (CMS-V10,CMS-V30) SOH91VI(LDP) (CMS-V10,CMS-V30) Samsung Electronics...

  • Page 6: Specifications

    Signal to noise ratio 40dB Total harmonic distortion 2.5% 20Hz ~ 20KHz(¡ 1dB) Frequency response 85dB(1kHz 0dB) Signal to noise ratio Compact Disc 75dB(1kHz 0dB) Channel separation Total harmonic distortion 0.1%(1kHz 0dB) * Specifications are subject to change without notice. Samsung Electronics...

  • Page 7: Remote Control

    * Remote Control POWER FUNCTION TUNER TAPE SKIP/SEARCH STOP PLAY/PAUSE PROGRAM DISPLAY REPEAT INTRO MONO/ST MEMORY BAND RANDOM SLEEP PRESET/MANUAL VOLUME TUNING TUNING VOLUME EQ PRESET MUTE CLOCK TIMER...

  • Page 8: Disassembly And Reassembly

    3. Disassembly and Reassembly 3-1 Cabinet-Top, Cabinet-Rear 1. Remove 8 screws of ! and 5 screws of @ of its rear part. 2. Pull its top part upward vertically as shown in the figure 3-1. Figure 3-1 Samsung Electronics...
  • Page 9 Disassembly and Reassembly 3-2 Main-PCB 1. Remove 1 screw of ! and pull out the Main-PCB backward horizontally. Main-PCB Figure 3-2 Samsung Electronics...
  • Page 10 Disassembly and Reassembly 3-3 Main-PCB 1. Remove 3 screws of ! and pull it out backward. Figure 3-3 3-4 CD-Pack 1. Undo 4 screws of ! and then remove the CD-Pack downward. Figure 3-4 Samsung Electronics...
  • Page 11 9. Remove the Gear(c) ) by pushing the hook. 10. Lift the Gear(b) 1 . 11. Remove the Gear(a) 2 . 12. Remove 2 screws 3 and then remove the Feed-Motor 4 . 13. Remove the Chassis-Deck(M) 5. Figure 3-5 Samsung Electronics...

  • Page 12: Alignment And Adjustments

    Figure 4-2 FM Auto Search Level Adjustment Oscilloscope FM Stereo Adjustment FM antenna SSG FREQ. 98MHz 75Ω Dummy Adjustment VTVM Speaker point SEMI-VR(5KB) terminal (ISVR2) L-CH/R-CH : Maximum(Figure 4-3) Stereo Modulator (Pilot 10%) Figure 4-3 FM Stereo Separation Adjustment Samsung Electronics...
  • Page 13 OCT 1 Repeat step 5 and 6 several times DC Voltmeter Input Figure 4-4 AM Frequecny Coverage Adjustment VTVM Oscilloscope AM Signal Test Loop Speaker Generator Antenna Loop Antenna terminal Jack 60 cm Figure 4-5 AM Tracking Adjustment Samsung Electronics...
  • Page 14 REC PB Head Fixed Screw AZIMUTH Adjustment Screw Figure 4-7 Oscilloscope VTVM Speaker Terminal (GND) Figure 4-8 4-2-2 Recording Bias Adjustment Connect frequency counter KC434 and press the REC button. Adjust KT431(Bias OSC Coil) until frequency counter reads 85¡ 0.2KHz. Samsung Electronics...
  • Page 15 Raise NVR1702 and adjust the waveform so that its middle Set NVR1701 to 0mV. comes to GND of the oscilloscope (or until the upper half of waveform becomes symmetrical to the bottom half, A=B) Adjust NVR1704 (arrow) for normal sound. Samsung Electronics...

  • Page 16: Troubleshooting

    LCD lamp is ON (RQ705) & fuse normal Connection Pins 73,31 of and soldering UIC1(LC72362) of SCON1-UCON1 is at 5V are normal Voltages at Replace RQ702,RQ703 RQ702,RQ703 are normal Voltage at Replace RQ701 Check Voltage at RIC1 RQ701 is normal Samsung Electronics...
  • Page 17 TCON1: AM(MW) Check pump charge circuitry Low coverage 0.9V (OQ5) connection of SCON1, High coverage UCON1 soldering of pin77 LW Low coverage 0.7V of LC72362N High coverage 4.5V Check loop antenna soldering and connection of OL1, OL2, OT1,OT2, IT2 Samsung Electronics...
  • Page 18 Speaker connections are normal Voltages to all pins of AIC1(TA8207) Check power supply section are normal (Refer to Schematic Diagram) Voltage at base of AQ601, Check Muting circuitry AQ651(C945) is less than 0.6V Pattern & Speaker Jack normal Samsung Electronics...
  • Page 19 CLOSE condition : 0V Check oscillation of NXF100 Is Focus Search done properly ? (16.9344MHz). Does Laser function during Replace PICK-UP. Focus Search ? Check NIC9282 pin73 voltage Replace NIC9282. during Focus Search : 5V Replace NIC9220 or NIC9258. Samsung Electronics...
  • Page 20 Replace NIC05 Check waveform of NIC9282 Check NIC9282 soldring conditon pins 19,20 Replace NIC9270 Check waveform of NIC9270 Check NIC9270 soldering condition pins 9,12 Replace NIC9270 Check waveform of NIC9270 Check NIC9270 soldering condition pins 2,19 Check Amp. operation Samsung Electronics...
  • Page 21 Exploded Views and Parts List 7-2 Main Exploded View and Parts List POWER FUNCTION TUNER TAPE SKIP/SEARCH STOP PLAY/PAUSE PROGRAM DISPLAY REPEAT INTRO RANDOM MONO/ST MEMORY BAND SLEEP PRESET/MANUAL VOLUME TUNING TUNING VOLUME EQ PRESET MUTE CLOCK TIMER Samsung Electronics...

  • Page 22: Exploded Views And Parts List

    AH81-10025T SENSOR ARM 11102-00530AA 10000-607-117 AH81-10026T 10000-607-178 LEAF SW(MAIN) MSW1541 X ACV 10000-523-008 AH81-10022E R/P HEAD MS15RA-A2N1 AH81-10022T E-HEAD PHK380-MS16A 10000-542-002 AH81-10026V BELT(MAIN) Ø45.5 X T1.0 10000-607-180 AH81-10026H BELT(SUB) Ø34.7PI X T1.0 10000-607-156 AH81-10025U BUTTON KNOB 11133-00010AA 10000-607-128 Samsung Electronics...
  • Page 23 AJ30-20001B PICK-UP CDP P/U SOH-A1 ROW V-P/J 12224-0017-00 AH61-60055A SPRING-T/TABLE CS STS-W PI0.4 D5.7 L9.3 CMS-V10N *SOH-AP AH31-10009A MOTOR-SPINDLE RF-310T-11400 43L 25V 85mA 16829-0004-00 AH31-10002B MOTOR-FEED RF-310TA 30MM NDM4RA3ETL 11.0MM 14769-057-250 AH60-10014A SCREW-PH(+M2*3) +M2X3 FE FZY W700 17008-120-032 Samsung Electronics...
  • Page 24 Exploded Views and Parts List 7-3-1 CD DECK Exploded View Samsung Electronics...
  • Page 25 G3A8-1/16/C ASS’T CD-DECK G3A8-CD AH73-10012A RUBBER-CD SI RUBBER,- 16174-503-411 AH61-50182B SHIFT-CD FE,FZY,D2.6,L10.5 AH62-30061A HEAT-SINK AL,EXTR,WHT AH62-30107A HEAT-SINK -,AL,-,T6.0,WHT AH61-20395A HOLDER-LED FUNCTION ABS BLK AH64-30368A CABINT-BOTTOM -,SECC,-,T1.0,L154 AH73-10009A RUBBER-FOOT URETAN,T1.5,PI8 AH64-30369C CABINET-REAR -,SECC,-,T0.8,L156 AH59-10085A REMOCON-ASS’Y LC72362 AH68-50262B LABEL-REFLECT -,T/PAPER,T0.07,L20,W10 Samsung Electronics...

  • Page 26: Electrical Parts List

    11608-103-223 2401-001968 C-AL;470NF,20%,50V,GP,5X11MM,2MM,BK 2409-000123 C-EDL;47000UF,4UA,5.5V,-,-,5MM,BK B1104-0540 2801-001398 CRYSTAL-UNIT;4.5MHZ,50PPM,28-AAM,12 14539-003-010 USW1,2,3,4,5,6,7,8,9,10,11 3404-000165 SWITCH-TACT;12V,50MA,160GF+-50GF,6X 13559-901-100 USW12,13,14 UCON2 3708-000451 CONNECTOR-FPC/FC/PIC;16P,1.25MM,STR B6010-1549 UCON1 3710-001036 CONNECTOR-SOCKET;28P,1R,1.25MM,STRA 3711-000190 CONNECTOR-HEADER;1WALL,2P,1R,7.92MM 13349-156-020 RCON1 3711-000898 CONNECTOR-HEADER;BOX,3P,1R,2.5MM,AN 13349-102-030 LAMP1,2,3,4 4713-000158 LAMP-NEON;9V,75MA,0.7W,TRP,3X5.3MM, B4158-0043 ULCD1 AH07-10035C LCD-PANNEL;-,LE-0727AP,SCM6700,- UIC1 AH09-10060Y IC-MCU;LC72362N-9257,80P,QFP,- Samsung Electronics...
  • Page 27 TR-POWER;KSD882,NPN,40V,30V,3A,1W,T 12149-401-900 RQ705 0502-000407 TR-POWER;KTC4369-Y,NPN,30V,30V,3A,1 A4050-0037 0504-000118 TR-DIGITAL;KSR1003,NPN,300MW,22K-22 12159-301-780 JQ304,354,KQ402,452,403, 0504-000121 TR-DIGITAL;KSR1007,NPN,300MW,22K-47 12159-301-800 KQ453 IQ3,JQ303,KQ404,AQ602 0504-001003 TR-DIGITAL;KSR2003,PNP,300MW,22K-22 0505-000236 FET-SILICIN;2SK583,N,50V,200MA,20OH 12139-601-450 AIC1 1201-000334 IC-POWER AMP;8207,SIP,12P,-,DUAL,-, 12119-101-290 JIC1 1201-000358 IC-PREAMP;22291,DIP,24P,-,DUAL,-,PL A4012-0070 RIC1 1203-000276 IC-POSI.FIXED REG.;7805,TO-220,3P,- 12119-601-770 QIC1 1204-001031 IC-VOLUME CONTROL;LC75394E,QFP,64P, Samsung Electronics...
  • Page 28 KR410 2001-000773 R-CARBON;470KOHM,5%,1/8W,AA,TP,1.8X 11018-877-474 IR17,18,6,AR608 2001-000786 R-CARBON;47KOHM,5%,1/8W,AA,TP,1.8X3 11018-877-473 OR3,4,5,8,IR7,10,25,26,27, 2001-000812 R-CARBON;5.6KOHM,5%,1/8W,AA,TP,1.8X 11018-877-562 FR6,JR305,355,QR501 JR305,355,QR501,551,CR805 2001-000817 R-CARBON;5.6OHM,5%,1/8W,AA,TP,1.8X3 11018-877-569 JR301,351,JR302,352,KR401, 2001-000890 R-CARBON;6.8KOHM,5%,1/8W,AA,TP,1.8X 11018-877-682 KR451,KR411,RR719 IR30 2001-000977 R-CARBON;8.2KOHM,5%,1/8W,AA,TP,1.8X 11018-877-822 KR403,453 2001-001006 R-CARBON;82OHM,5%,1/8W,AA,TP,1.8X3. 11018-877-820 RR705 2001-001050 R-CARBON(S);1.5KOHM,5%,1/2W,AA,TP,2 11018-377-152 RR704,709,710,UR901 2001-001138 R-CARBON(S);390OHM,5%,1/2W,AA,TP,2. 11018-377-391 Samsung Electronics...
  • Page 29 FM PACK AH40-10001U TUNER;FE337-A05,-,75OHM B1290-0002 AH62-30061A HEAT SINK-S;AL,EXTR,WHT,40H,AV330R, 15684-507-510 AH62-30107A HEAT SINK;-,AL,-,T6.0,-,WHT,-,SCM-6 G3A8-1/16/C ASSY CD PACK;G3A8 TOP CD MM16/26/CK ND200,201,202,203 0401-000101 DIODE-SWITCHING;1N4148,100V,200MA,5 NZD101 0403-000358 DIODE-ZENER;UZ5.6BSB,5.6V,5.46-5.7V 12169-404-790 NQ1502 0501-000323 TR-SMALL SIGNAL;-,PNP,800MW,TO-92,T 12149-202-050 NQ1501 0501-000610 TR-SMALL SIGNAL;KSA928A,PNP,-30V,-3 NIC9282 0904-000157 IC-DSP;9282,-,QFP,80P,-,16.9344MHZ, A4012-0291 Samsung Electronics...
  • Page 30 RC703,704,705,AC608,605, 2401-000303 C-AL;100UF,20%,25V,GP,6.3*11,2.5MM, 11608-104-104 AC655,AC3,RC707 IC9,15,18,QC506,556, 2401-000419 C-AL;10UF,20%,16V,GP,5X11,2.5MM, RC713 RC712 2401-000438 C-AL;10UF,20%,25V,GP,5*11,2MM, 11608-104-103 JC313 2401-000795 C-AL;220UF,20%,16V,GP,8X11.5,3.5MM, RC709,UC903 2401-000830 C-AL;220UF,20%,25V,GP,8*11.5,3.5MM, 11608-104-221 CC802,803,804 2401-000907 C-AL;22UF,20%,16V,GP,5*11,2MM, 11608-103-223 IC12,JC310,360,KC402,452 2401-001022 C-AL;3.3UF,20%,50V,GP,5*11,2MM, 11608-106-332 KC406,456,QC505,555,508, KC558 UC901 2401-001102 C-AL;330UF,20%,16V,GP,8X11,-, JC303,353,KC403,453, 2401-001465 C-AL;47UF,20%,10V,GP,5*11,2MM, 11608-102-473 AC604,AC654,KC408,431 Samsung Electronics...
  • Page 31 C-CERAMIC,CHIP;4.7NF,10%,50V,X7R,20 NC204,124 2203-000925 C-CERAMIC,CHIP;470NF,+80-20%,50V,Y5 11128-018-474 NC200 2203-000979 C-CERAMIC,CHIP;47NF,10%,50V,X7R,201 NC2000 2203-001026 C-CERAMIC,CHIP;4PF,0.25PF,50V,SL,20 NC45R,46L 2203-001058 C-CERAMIC,CHIP;560PF,5%,50V,NPO,201 11129-019-561 NC111 2203-001105 C-CERAMIC,CHIP;6.8NF,10%,50V,X7R,20 11129-004-682 NC115 2203-001137 C-CERAMIC,CHIP;68NF,+80-20%,50V,Y5V 11129-004-683 NC190 2203-001256 C-CERAMIC,CHIP;8PF,0.25PF,50V,NPO,2 NC109,104,42R,43L 2203-001537 C-CERAMIC,CHIP;1NF,10%,50V,X7R,2012 NC41L,41R 2203-001550 C-CERAMIC,CHIP;1.2NF,10%,50V,X7R,20 NC201 2203-001551 C-CERAMIC,CHIP;1.5NF,10%,50V,X7R,20 NC202,203 2203-001619 C-CERAMIC,CHIP;27PF,5%,50V,NPO,2012 Samsung Electronics...
  • Page 32 NC45L,44R,40L,40R,122 2401-001238 C-AL;4.7UF,20%,25V,GP,3*5,1MM,TP 11608-154-479 NC42L 2401-001502 C-AL;47UF,20%,16V,GP,6.3*5,2.5MM,TP 11608-153-470 NC117 2401-001968 C-AL;470NF,20%,50V,GP,5X11MM,2MM,BK NL100 2703-000002 INDUCTOR-SMD;100UH,10%,2.5X3.2X2MM 11176-600-040 NXF100 2802-000211 RESONATOR-CERAMIC;16.93MHZ,0.5%,TP, 14539-503-083 NS100 3409-000174 SWITCH-LEAF;16VDC,500MA,10GF,SPST 13564-601-100 NCW100 3708-000177 CONNECTOR-FPC/FC/PIC;16P,1.0MM,ANGL A6010-1523 NCW103 3708-000413 CONNECTOR-FPC/FC/PIC;16P,1.25MM,ANG A6010-1525 NCW101 3711-001136 CONNECTOR-HEADER;BOX,8P,1R,2MM,ANGL 13349-139-080 NIC05 AC14-12001G IC;KA78L05,T,- Samsung Electronics...

  • Page 33: Block Diagrams

    9. Block Diagrams 9-1 Main Samsung Electronics...
  • Page 34 Block Diagrams 9-2 CD Samsung Electronics...
  • Page 35 S 38 S 12 S 37 S 13 S 36 S 14 S 35 S 15 S 34 S 16 S 33 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Samsung Electronics...
  • Page 36 25 CE LC75394E 24 DI LVROUT 23 CL 22 Vss LVRIN 21 L 1 LTOUT 20 NC LINVIN 2 19 L 2 LVref 18 NC LF 5 17 L 3 9 10 11 12 13 14 15 16 Samsung Electronics...
  • Page 37 ON OFF SLEEP SLEEP REP.1 REP.1 TUNED TUNED MONO MONO STEREO STEREO TRACK TRACK AUTO AUTO 9 10 11 12 MHz MUTE MHz MUTE OVER OVER VOLUME VOLUME VOLUME VOLUME CLASSIC CLASSIC POPS POPS ROCK ROCK PROGRAM PROGRAM INTRO INTRO RANDOM RANDOM SYNC...
  • Page 38 OUT1 OUT2 VCC1 8 10 Input logic circuit LB1641 KA9258 : NIC9258 28 27 26 25 24 23 22 21 20 19 18 17 16 15 REGULATOR T • S • D MUTE 10 11 12 13 14 Samsung Electronics...
  • Page 39 WDCH FSCH & COMPARATOR ARC AMP FDFCT FOCUS RF AMP ERROR AMP LDON FSEO 65 66 67 78 70 71 75 74 69 73 74 76 62 61 68 79 80 1 33 57 56 19 18 17 Samsung Electronics...
  • Page 40 Block Diagrams KS9282(DSP) : NIC9282 Samsung Electronics...
  • Page 41 INDICATE FRAME SYNCHRONIZATION STATUS SOSI SUBCODE SYNCHRONIZATION SIGNAL FUNCTION LED(TUNER) FUNCTION IND LED CONTROL PORT(TUNER) FUNCTION LED(TAPE) FUNCTION IND LED CONTROL PORT(CD) FUNCTION LED(CD) CD B+ CONTROL CD CONTROL FUNCTION IND LED CONTROL PORT(PHONO FUNCTION LED(PHONO or of AUX) AUX) Samsung Electronics...
  • Page 42 FM & AM IF FREQUENCY INPUT PORT SUBPD AMIN AM INPUT AM OSC INPUT FMIN FM INPUT FM OSC INPUT TUNER VOLTAGE CONTROL FM TUNING VOLTAGE TUNER VOLTAGE CONTROL AM TUNING VOLTAGE TEST1 Xout OSC 4.5MHZ OSC for SYSTEM CLOCK 9-10 Samsung Electronics...

  • Page 43: Pcb Diagrams

    10. PCB Diagrams 10-1 Main Samsung Electronics 10-1...
  • Page 44 PCB Diagrams 10-2 Front 10-2 Samsung Electronics...
  • Page 45 PCB Diagrams 10-3 CD 10-3-1 Top View 10-3-2 Bottom View Samsung Electronics 10-3...

  • Page 46: Wiring Diagram

    11. Wiring Diagram Samsung Electronics 11-1...
  • Page 47 12. Schematic Diagrams 12-1 Main TUNER PACK UIC1 IIC1 LC72358 DTS+CDP µ-COM UIC2 LC75823E LCD DRIVE SIC1 SIC1 SIC1 AIC1 SIC1 SIC1 TA8207K POWER AMP JIC1 KA222291 PRE/REC AMP QIC1 LC75394E FUNCTION /VR / PRESET-EQ MIC MIXING(OPTION) Samsung Electronics 12-1...

  • Page 48: Schematic Diagrams

    Schematic Diagrams 12-2 CD G3A8 SCHEMATIC DIAGRAMS NIC9220 NCW100 KA9220 ASSP NIC9282 KS9282 DSP&D/ACON NCW100 NIC9258 KA9258 3-CD/BA6209 1-CD /BA6209 /BA6209 FIC01 SIC1 LB1641 NIC1641/SIC3 LB1641 SIC2 LB1641 KS56C820-E2 NCW104 SUB PCB 12-2 Samsung Electronics...

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