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Samsung RCD-1230, Service Manual, Page: 13 / 42

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Samsung RCD-1230 Service Manual Download Page 13

Summary of Contents for RCD-1230

Page 1: ...ck system Recording system Erasing system Monitor system Frequency response Tape speed Tape drive system Tape loading system Motor system Signal to Noise Ratio Separation Total Harmonic Distortion COM...

Page 2: ...stegcttee 17 1 MAIN TUNER ADJUSTMENT 2 CD ADJUSTMENT EC NBT DAY QUI cach cs tuts co dovnavtavasakas ceccbudaatentpDeaaueate site eed go dimes ny itdaasee abouts ues Rose 20 EOCIEEAGAN ces ccccoiuahaec...

Page 3: ...ODE SPECIFICATION OPTICAL PICK UP ee Material AlGaAs Wavelength 760 800nm Emission duration Continuous Laser Output 0 2mW This output is the value measured at distance 1 6mm from the objective lens su...

Page 4: ...separate the pick up from the unit and not to touch the ALPC Automatic Laser Power Control circuit BNAARWON HANDLING THE OPTICAL PICK UP The laser diode in the optical pick up may suffer electrostatic...

Page 5: ...m LOCATION OF CONTROLS 1 FRONT PANEL Peles see 12 15 16 17 14 SHUFFLE PROGRAM 12 1 INTRO 3 CD OPERATION LCD 2 REAR PANEL...

Page 6: ...SPEED NOR HIGH 4 REPEAT ALL INDICATOR 6 TELESCOPIC ANTENNA 5 SYNC INDICATOR 7 HANDLE 6 PAUSE INDICATOR 8 CD DOOR 7 PLAY INDICATOR 9 PUSH OPEN BUTTON CD 8 TRACK NUMBER INDICATOR 10 BAND SELECTOR FM AM...

Page 7: ...tteries before disassembling the unit CABINET REAR CABINET FRONT CABINET POWER PCB TUNING ASS Y MAIN PCB TAPE DECK ASS Y CD PACK ASS Y 1 CABINET FRONT REAR 1 Release 7 screws 1 2 Split Front and Back...

Page 8: ...the Front Cabinet 2 Remove cassette deck assembly Front Cabinet 4 CD PACK ASSEMBLY MAIN PCB 1 Release 2 screws 2 Remove CD pack assembly from the Back cabine 3 Release 9 screws 4 Remove main PCB 5 TUN...

Page 9: ...TION OF LCD SEGMENTS If one or all of the LCD Segments see segment diagram below don t work check if IC7530 and LCD pins are properly connected refering to the chart below iInTRo SHUFELE PRoeRAN RaPEa...

Page 10: ...of CW5 Main PCB Check if LED lights Radio X Replace Fuse Replace DIODE Rectifier Check connection of CW5 and soldering Check LED defect Soldering 2 BATTERY POWER INSENSIBLE Check Proper Polarity Inst...

Page 11: ...LE oO X Check Speaker Wire Connection Connect Speaker Wires Properly oO xX Check if Volume is Set to the lowest 2 Replace RQ801 or RZD1 Check Voltage of Power IC IC 601 pins Replace IC x Check signals...

Page 12: ...al Line Check signal at C301 REC input fr Check voltage at all ports supplied from REC switch 5 COMPACT DISC INOPERATIVE Check FUNCTION Setting X X Check if LCD lights No light Check Leaf Switch of CD...

Page 13: ...ion Emitter of Q801 line Replace IC Deck B leaf Switch not Contact Properly Connect Properly Check Voltage at IC 301 pins Check Connections from MAIN AMP Output through Function Switch Open Record Swi...

Page 14: ...Check Voltage at pins of 1C101 Check Output of pin 13 14 of IC 101 Check Connection of Signal Line FM INSENSIBLE AM INSENSIBLE Check Noise Check Noise Check Voltage at IC 1 pin 16 Check Voltage at IC...

Page 15: ...e Check CD power supply main PCB Check 5V pattern and GND short Check output at PIN 6 of IC6296 5V 2 LEAD IN NOT WORKING Check DSP soldering IC5990 Check waveform of DSP pin 23 24 25 Check SSP solderi...

Page 16: ...7530 high ny Lu Check voltage at pin35 of IC 8309 SV Check voltage of SP SP of IC 6296 Check voltage at pin 14 of IC 8309 Check oscillation of IC 5990 16MHz Check voltage at pin 5 of C 9201 Check sold...

Page 17: ...20 of IC 0316 IC pin short Check signal at pin2 19 X Check voltage at pin 4 of IC 9270 of IC 9270 Oo Replace IC 9270 5 DISPLAY NOT WORKING Check door leaf switch Check soldering on pin 26 of C 7530 C...

Page 18: ...TER OR AC VOLTMETER LOOP ANTENNA DUMMY LOAD 4 ohm SW DUMMY ANT FREQUENCY COUNTER FM STEREO MODULATOR e IMPORTANT SOOODNANAWND _ Check the power source voltage Select desired Band and Function Set Tone...

Page 19: ...18 5 MHz Fil FCT J 7 i STR ADSTENT MAX OUTPUTIFIG S 7 Mz 15 Miz L101 NOT required FIG 3 LOOP ANT 55 6 OSCILLO Oe a ae ee ADJUSTMENT SFREUENGY COUNTER VM SCOPE V T V M SCOPE 8FREQUENCY COUNTER insert...

Page 20: ...Turn power on without loading a disc B Set Oscilloscope Vol Div to 0 1 Vdc C Connect TP1 Vref to GND and TP3 F G to positive terminal on the oscilloscope D Adjust VR1703 so that the voltage is 0mV DC...

Page 21: ...SOR IC8309 1 DATA REGISTER WPUT SHIFT REGISTER ADORESS DECOOER TGt 2 Temt 7 KDA0316LD D A CONVERTOR IC0316 VREFH1 VREFLI CH10UT VREFH2 VREFL2 CH20UT Wee Sl Ec 2 es ae aE eee 16 vee H _ SHIFT IS be Osa...

Page 22: ...e KA9201 RF AMP 1C9201 e KA9270 IC9270...

Page 23: ...AT COUNTER INTERPOLATOR BLOCK ht SuBeODE Ecc on a GEN BLOCK C2F1 vcoo PHASE EFM DETECTOR DEMODULATOR ee MODE ean SELECTOR ae 7 Coe NaKe0 Fn z e cw x G 7 0g OEE TRANSISTOR TRANSISTOR KSR1003 KSR1007 KS...

Page 24: ..._ SEG2e5 P6 2 KS2 _ 30 75 _J SEG244 P6 a kS3 C134 74 _ SE623 P7 o kSa L432 KSS6C820 73 5 secze P7 4 ks5 133 see24 P7 2 ks6 _ 34 71 __J SEG20 P7 34kS7 35 70 J SEG19 P5 0 C__ 36 69 __ SEG18 P5 4 CJ 37 6...

Page 25: ...S COIL OO BOOS S3 5 Vv AEESS ELLE WergaE MY 47 4 TO CD PwB OPTION DET _OUT MPX IN NJ i TONE S SPK L CH VOLUME N HEADPHONE JACK SPK R CH Bt AC SOCKET DECK 6 L s a AG304 7 acd S2 6 000 S2 5 AC SOCKET SW...

Page 26: ...7 15 80 24 24 TRACKING COIL 25 49 20 21 22 28 18 19 78 8 SLED MOTOR CW105 SPINDLE MOTOR DE EMPHASYS ae 5 14 IC8309 SS PROCESSOR 3 25 IC6296 19 10 18 19 20 33 34 35 DRIVER 22 23 24 36 25 28 32 5Y C9270...

Page 27: ...efbOFER Me OUT UT Tape YCC nf CH y A354 154m 1 Q HEAD 1K OD ve pLaeaie 5m i cn vacoz2 _ TAPE B 100P at SoKex2 oR 1 s 3m JA352 JC34E JC367 is Y 7 R CH Xe 1K 100P z 47 10 S 6 7 HEAD Gyr 3 vA374 Yosos Gt...

Page 28: ...VO TRACKING FOCUSING 18653 ais msriz Zz 19201 C5990 KS5990 DSP DECK CD CMS V10 NEW 5 GS 2 10629 BA6296 ROHM KSS6CB820 39 SH06 FS SS A oo an POWER INPUT O59 OSEAN eRe MEST RRR A ERTS EF RSG 98 NF esc N...

Page 29: ...0610 2M M SWITCH LEAF MSW 1731CVC Ct Ss a es es Cs Cae IC5990 IC8309 IC6296 iC9201 1C9270 IC7530 Q1501 Q2000 Q1791 1792 D901 D905 D910 D501 D504 L1501 1601 1701 1801 1902 L1901 XF1702 SF1701 VR1701 17...

Page 30: ...m EXPLODED VIEW e...

Page 31: ...f PCB PATTEREN DIAGRAM PARTS SIDE 1 RADIO CASSETTE SECTION WVvY90ud TP20 LWI LIO2 FCIOS 3704 AC SOCKET JC370 OPTION PRIMARY hao 30333 yc332_ _ JR325 _ RPO rene nimm nn...

Page 32: ...o 2 CD SECTION PATTERN SIDE 29...

Page 33: ...WIRING DIAGRAM PARTS SIDE 1 RADIO CASSETTE SECTION SPEAKER R SPEAKER IL B DECK HEAD AUTO STOP OPTION ROD ANT 12 oo0000 oo0000 ee eA B DECK HEAD AUTO RYS fOPTION...

Page 34: ...OTOR DRIVER BL CW104 Ss 7 La dH UP ASS Y ae Ls RED CON Ek ana BLK WHT a ao ae wit Se i CON WHT CWI06 POWER AUDIO CWI03 LINE CW105 DOOR Sw S FUNCTION KEY ae POWER LED V FROM TO MAIN PCB DOOR KEY SW CD...

Page 35: ...NDOW CASSETTE R PC T0 5 WINDOW LCD ACRYL CABINET BACK MIPS DEEP BLUE LID BATTERY MIPS DEEP BLUE HANDLE ABS DEEP BLUE KNOB VOLUME ABS BLK DOOR CD ABS DEEP BLUE WINDOW CD ACRYL CHUCK PLATE ABS GF BLK CH...

Page 36: ...D ASSY ADR15 022 MOTOR EG530YD9B F R ARM ASSY ADR22 012 SUPPLY REEL GEAR ASSY ARM SENSOR 11102 00530AA PAUSE LOCK CAM 35 10000 607 113 10000 607 145 10000 607 184 10000 607 160 10000 607 114 10000 607...

Page 37: ...1921 07 302 RF BELT 1921 07 03 FLYWHEEL ASSY 1921 09 303 CAM GEAR 1921 26 02 FF GEAR 1821 10 70 SUPPLY REEL ASSY 1921 05 304 TAKE UP REEL ASSY 1921 05 303 SENSOR 1921 05 06 MAIN BELT 1821 12 173 EJEC...

Page 38: ...ing be sure to use specified parts only DESCRIPTION SPECIFICATION QTY REMARK VR DOUBLE RK16K12E0 Z01 53B VR DOUBLE RK16K12L0 Z01 53A VR SEMI TAPE H EVN DJA A03B23 2K C CERAMIC CC 45T SL 50V 390 J C PO...

Page 39: ...ON SPECIFICATION REMARK DIODE ZN 500MW UZ 6 8 BH COIL SEVEN CAN 1R65HH T BIAS CONNECTOR WIRE B S 5264 07 5395 07 10 JACK HEADPHONE SHQ9085 01 142 GRN CONNECTOR WAFER STICK 5267 02A 2P TYP CONNECTOR WA...

Page 40: ...OLYTIC SMS T 10V 33M 5x11 C ELECTROLYTIC SMS T 10V 47M 5x11 C ELECTROLYTIC SMS T 50V 1M 5x11 C ELECTROLYTIC SMS T 50V 0 22M 5x11 C ELECTROLYTIC SMS T 50V 0 47M 5x11 TR DIGITAL R1007 108M 124XS DIODE S...

Page 41: ...IL H SPRING 4T R8P4D CCW CLS N ADJ COIL SEVEN CAN AQ 200UH FMW TA8167 COIL SEVEN CAN AQ 560UH FLW BRN SWITCH LEVER T0083002 8C 3P A SHORTIN CERAMIC FILTER SFU 455B C CERAMIC CC45T CH 50V 4 C C CERAMIC...

Page 42: ...RN Green VIO GRY Gray VCO VR oy H Height High Vref V SEL IC Integrated Circuit VTVM IF Intermediate Frequency IFT Intermediate Frequency Transformer WwW YO Input Output WHT Kg Kilogram X L Left Low LC...

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