Samsung SCM-8100, Service Manual

Page 1: ...PLAYER SECTION Usable Sensitivity 1000yV Signal to Noise Ratio 80dB Signal to Noise Ratio 30dB Total Harmonic Distortion 0 05 MW BAND Channel Separation 75dB Frequency Range 522KHz 1611KHz D A Conver...

Page 2: ...9 TROUBLE SHOOTING GUIDE Ts MAIN SECTION sch sen ics tccoaeeunpnisiitiase otic14 2 CD PLAYER SECTION scssscsssccssesssessceceetnseeseee 16 ADJUSTMENT 1 TUNER SECTION 000 eccccecccccscscssceceseetecse...

Page 3: ...60 800mm Emission duration Continuous Laser Output 0 2mW This output is the value measured at distance 1 6mm from the objective lens surface on the optical pick up block Classification CLASS 1 5 WARNI...

Page 4: ...k up from the unit SNAP WD HANDLING THE OPTICAL PICK UP The laser diode in the optical pick up may suffer electrostatic breakdown because of potential static electricity from clothing and your body Th...

Page 5: ...S BUTTON FUNCTION SELECTOR BUTTON A B DECK RECORD BUTTON PLAY BUTTON REWIND BUTTON FAST FORWARD BUTTON STOP EJECT BUTTON PAUSE BUTTON aN OD oO 26 25 24 2322 21 20 PLAY PAUSE BUTTON F SKIP SEARCH BUTT...

Page 6: ...2 REAR VIEW ak OM GROUND TO T TABLE FM ANTENNA JACK AM ANTENNA JACK PHONO INPUT JACK T TABLE DC JACK 6 SPEAKER TERMINAL L R 7 POWER CORD 8 SURROUND SPEAKER JACK L R 9 VOLTAGE SELECTOR OPTIONAL...

Page 7: ...E BUTTON 3 CD CONTROL BUTTON 10 CD BUTTON PLAY PAUSE BUTTON 11 PHONO BUTTON e STOP BUTTON 12 SLEEP BUTTON e SKIP BUTTON 13 CLOCK BUTTON 4 AUTO TUNING BUTTON 14 VOLUME UP DOWN BUTTONS 5 BAND BUTTON 15...

Page 8: ...TE DOOR direction B 4 CASSETTE DECK Fia 4 1 Release 7 screws 2 Remove CASSETTE DECK ASSEMBLY Be sure to unplug the power cord before disassembling the unit 2 TOP CABINET REAR CABINET Fic 2 1 Release 1...

Page 9: ...w to high p78 TUNERLED 0 TUNERLEDConrorpon 20 Power out 0 Powercontolpet SC SC af ante 0 awiomaeree PELE 0 TAPELEDControtpor 23 coLED ss OO CD LED Control port H or SiS 1 too Sepnentdinepet eT Yt Remo...

Page 10: ...filter of the spindle motor is energized ON OFF control for spindle motor indle motor drive Provides rough control during CLV S mode and control pp CLV P mode i ane Spindle motor drive Controls speed...

Page 11: ...n test mode write enable input In normal mode this is CE output In test mode chip enable input Divider output for crystal f 4 2336MHz GND 0V Input to crystal oscillator circuit Depending on the mode t...

Page 12: ...when SEL5 L DA11 is output when SELS5 H 72 o x o S 4 Power supply 5V When SEL5 L output for display of either RAM overflow or underflow for 4 frame jitter absorption DA12 is output when SELS5 H 74 Whe...

Page 13: ...high frequency gain can be reduced by forming a low frequency time constant through a capacitor connected across pins 2 and 3 and the internal resistor The capacitor across the pin 4 and GND has a tim...

Page 14: ...0 0047 PS ser J IG 100K TZC 31 ae A 3 5V 100K STOP i 16 pa o 5v z 100K 7 1K SLED MOTOR m YI 7 aca Ww 2 0 018 224A C SLE 8 2K zuh eee at BI Ligh Qa 22 RIC1 1A 7 a8 PIN20 20K 47K 47K TRACKING 3 COIL 0...

Page 15: ...n high coverage Replace F E P Replace LA1851 IIC1 F E P FRONT END PACK 3 AMNO SOUND Voltages at LA1851 lIC1 and tuner semi conductors are normal Refer to SCHEMATIC DIAGRAM Check voltages at power supp...

Page 16: ...9 with volume control at mid position oO 5 AUDIO OUTPUT PROBLEM Peplace AIC1 Xx Check power supply section O Voltages at all pins of AIC1 are normal Refer to SCHE MATIC DIAGRAM Voltage at base of AQIL...

Page 17: ...place TR 2 2V 2 2V continuing 4 times X Check soldering of IC 201 and power source Check signal presence of pin 28 of 1C201 Check power supply section of Q208 0209 12V oO oO Check voltage at collector...

Page 18: ...ce 752 1 Check the power source voltage 1KHz 40KHz DEV 2 Set function and band switches to a band to be Check waveform of pin 3 3 Oscilloscope aligned Sof IC 601 Refer to 4 VIVM 5 Frequency counter 3...

Page 19: ...ETTING ADJUSTMENT POINT RESULT REMARK 522KHz IFT2 SSG FREQ 522KHz CONNECTION Maximum output Intermidiate frequency IF adjustment Connect DC 522KHz OT 1 voltmeter to TP1 and GND AM frequency coverage a...

Page 20: ...1 TRACKING GAIN 3 TRACKING GAIN ADJUSTMENT 1 Turn power on and load a disc 2 Press play nee 3 Oscilloscope setting and connection i oVv BY VOLT DIV 50mV_ terminal TP TE ce sa TIME DIV 1mS terminal TP...

Page 21: ...DECKA ITEM CONNECTION PREPARATION ADJUSTMENT POINT RESULT REMARK AZIMUTH FIG 2 Play MTT 114NA in the FIG 3 Maximum output and same DECK A phase of L R CH Fix the screw DECK B ITEM CONNECTION PREPARATI...

Page 22: ...HST AQe2 SNVYL YSMOd ois Ov Z Ev OHNO 03 dWV O34 a v SEVEVL te8491 yArVAdS C4 2 T2byH1s cESTEOL SBSSPOWN NOES d d v yo30 ea GNV HAMOd 7O LNOD 03 os t Fone 3NOL LaS3ud rm 3 L210 oes gt dw Avid gpzevn S...

Page 23: ...GEAR D SUM24L SCM7550L SHAFT GEAR A SUM24L SCM7550L SHAFT GEAR B SUM24L SCM7550L SHAFT LEVER A SUM24L SCM7550 SHAFT LEVER B SUM24L SCM7550 SHAFT PU SUS 42032 SCM7550 LEVER LIFTER R P B T G15 SCM7550 L...

Page 24: ...CD MAIN PCB POWER IC cy Y y HR Ly im Vi 7 W Z Ve Ht NN on Sy fe ey S oe 5 pen CON oF ES a 7 LJ x Pe fp ex ih H y tyr LY Meee Ae HYG ols BS Ye e ilage uJ e Y NM O EXPLODED VIEW 2 MAIN UNIT 99...

Page 25: ...7 WINDOW DOOR A PC TO 7 WINDOW DOOR B PC TO 7 CUSHION FOOT RUBBER SPONGE KNOB POWER ABS BLK KNOB MEMORY ABS BLK KNOB PRESET ABS BLK KNOB TUNER ABS BLK KNOB FUNCTION ABS BLK KNOB CD FUNC ABS BLK KNOB C...

Page 26: ...07 149 10000 607 151 10000 607 153 10000 607 155 10000 607 156 10000 607 157 10000 607 159 10000 607 160 10000 607 162 10000 607 163 10000 607 165 10000 607 177 10000 607 184 10000 607 186 DESCRIPTION...

Page 27: ...EXPLODED VIEW CASSETTE DECK SOLA TEMML AEE ILE ISL EDS SOE AERI CORB BET LORE Bae Pe BA Ls A Lar eee aR PLN PVA k NS Nor Ee...

Page 28: ...724 0047 00 17158 220 063 1 2 3 4 5 6 7 8 9 REMOCON ASS Y SMALL TYPE SCM8100 ASS Y INLAY REMOCON PC T0 5 BLK SCM8100 CABINET TOP ABS 94HB T2 BLK SCM8100 LENS REMOCON PC MQ360R T2 5 KNOB REMOCON SILICO...

Page 29: ...CAN AB FM BLU 2 8 at Fee O ees nn pan wna nwmon pa aup Hu _ O72NN 2404 ie iv PPS LOCATION No CODE NO DESCRIPTION SPECIFICATION REMARK MCW6 SPK PHONO S SPK ICF2 ICF1 12619 030 005 12619 041 813 12619 0...

Page 30: ...pO ams ss m Ww REMARK Q TY REMARK A A A AN A A LOCATION No CODE NO DESCRIPTION SPECIFICATION 12149 401 950 12159 301 330 12159 301 780 12159 301 800 12169 201 080 12169 301 400 Q201 Q507 508 Q505 Q20...

Page 31: ...s a tpt a a oe Lae ceineileieaiiiaittiaeiati ne a zs cated LC 4851N oR DELETE PAATS OTC2 OTC3 L2 OT2 OR2 3 5 OG4 OG3 OCB OCS ant kaa 4 tb A Ai 4 FRONT EXO PACK i ee feXeFe O10 9 jUTS sO Ci 1 MAIN UNIT...

Page 32: ...m IC TR INTERNAL DIAGRAM eIR J2 3 E10 H10 H9 C1 M10 G10 F8 G8 Address Nil N9 C7 B7 C7 B7 J1 elC Address L1 PIC1 N 2 baal a o eRERS 2 tax Oo 5 5 a c N x e ke i io Fe De SS RUscEGim ses ean ns2 5 ames...

Page 33: ...ote tise earmea 2 75 aa a aS rata acca eta hat 4 275 MC 7812 C KIA7812P REGULATOR IC RIC4 KSA 614 RQ3 TR KSD 73Y RQ4 CATHODE B Oo DRAIN SOURECE A OE S Se ee v e r KSR2003 KSR1005 KSA708 1N4001 co oO Y...

Page 34: ...INPUT 8 B OUTPUT 4 A INPUT 9V 5 V 30 18 e LC7821 FUNCTION S W BIC1 ul bd A oR L3 a eet Te fo LOOM 0 ROOM Be p A RS ot eT ae LCOM RCOM2 4 bd ES oR us im ae ni LEVEL SHIFT vss 2 VEE LATCH t o1 Se Hire...

Page 35: ...SIGNAL LINE Fcw4 B LINE 1av TAPE FUN LC7232 hd aure sTer uve ube Juoaqssfioiay S C L 6 ru oy iw eo_ Bt Lye S C GND mY Gem O sofsti 1 ofols S C R i A ao fa x s oo SUB B S PALL S PA GND S PA A er SOGSGG...

Page 36: ...pane wien zien cirn reborn US17_ 665 lUS18 M6 luS19_ M7 lus20 Ma 1SS53 Bi isisMi lista2 en 3 lusi6 M4 18853 iss53 ree ur sBRac an vTascea gm IC TR INTERNAL DIAGRAM eR Address E8 E9 E10 D2 A7 E4 i E2...

Page 37: ...S QGR2iL 12k GAIA 4 7K TC9135P e1C 913 QAaAnN a Ouvug D3 oo MC4558S OP AMP Q 1C2 3 5 e TR wt uv 2 jo KSR2003 KSR1003 E C KSR2011 Raker KSC945 KSC 1008 KSA733 KSD471 KSR1009 6 B INPUT 7 B INPUT A OUTPU...

Page 38: ...4SS53 ee tre 8 AONE oe pete RT eget mMc4558S or KIA45S8 3 0cG0 900900 oo000 ana Sees sere efes ses QR74 22k Af Qci6 47 46 I 7 QC15 47 16 QR33 4K GR32 1K MC4S558S or KIA4558S GA14L 40K 4 se cat Ht iar...

Page 39: ...ee eee ee i ee a em a a a nw ns as i IC 301 KA9201 RF AMP LY DAC A0S16 S02 SO 10K 1 3 q mal Gis R ao Q204 j n c403 100 10 SPINOLE MOTOR C220 T IBV C206 al 0 33 50V ae ok bi ooo FEED MOTOR 210 0 018tm...

Page 40: ...670A CD LCD LCD1 iz SHUFFLE PROGRAM REPEAT SYNC OVER ji _MIN Se 12345 v He as07 R2003 bv seme noc oma eines eset nig ese ONDER NRC oe R101 2 2 6 FUSIBLE 78 __ s 027P8 3 Pa2 tcuxy 20 SeG2wres f 00m 79...

Page 41: ...O TST2O gino ani aNi 33A VNI Sic eSBORTapSARNS Na MC4558S NJM2068SD OPAMP VNI vVLNO 290A 1C502 503 j i Paige SS 9 eislelale all val 03 cnraty of 3 _ 2 MC 7805 MC 79L05 REGULATOR IC IC101 102 aoseergLJ...

Page 42: ...REGISTER LATCH LATCH 3 6 i OD GNO SELECTCR LEVEL SHIFT t 5 Dac i ee ee ee Fa ms ya i 18 V_ BTM2 _ KDA0316 16 va 8TMI i cote LeveL suet 3 TIN2 12 Tint Fs a a a s LATCH Top View TESTOUT pansion INTO 1 2...

Page 43: ...MAIN PCB m WIRING DIAGRAM 6AL SV _____ AF2 250V T 1 TO A DECK REC 5 M es a a iS ro Se uw a TO B DECK LEAF SWITCH I TO A DECK LEAF SWITCH...

Page 44: ...MAIN PCB POWER TRANS CD DE CK ao e a DISC MOTOR SLED DOO R MOTO R...

Page 45: ...TO B DECK HEAD TO A DECK HEAD PRONT P CB...

Page 46: ...CD MAIN PCB 9 o...

Page 47: ...t Intermediate Frequency _ Intermediate Frequency Transformer Input Output Killohertz Killogram LCD LED LPF LW Max MHz min MOD MPX MW NF OP AMP ORG osc PB PCB PLL P T RAM REC REG REW ROM sec SSG SSP S...