Samsung SCM-7270 Скачать руководство пользователя страница 20 | Manualshive

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6-2-1 Malfunction of Disc Revolution

Check CLOSE S/W voltage.

CLOSE condition : 0V

Is Focus Search done properly ?

Check oscillation of NXF100
(16.9344MHz).

Does Laser function during

Focus Search ?

Replace PICK-UP.

Check NIC9282 pin73 voltage

Replace NIC9282.

Yes

POWER ON

Check CLOSE MOTOR driving

Replace NIC9220 or NIC9258.

element and CLOSE S/W.

during Focus Search : 5V

Yes

Yes

No

No

No

No

Yes

Yes

6-4

Samsung Electronics

Troubleshooting

6-2 CD

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Содержание SCM-7270

Страница 1: ...ms 10 PCB Diagrams 11 Wiring Diagram 12 Schematic Diagrams MONO ST CLOCK TIMER TUNING TUNER TAPE CD PHONO VOLUME BAND PRESET MANUAL MEMORY CLASSIC POPS ROCK EQ PRESET PLAY PAUSE STOP CLEAR HI SPEED DUBBING OPEN CLOSE DISPLAY INTRO SKIP SEARCH REPEAT RANDOM ON STANORY POWER DECK 1 REC PLAY PLAYBACK DECK 2 HIGH SPEED DUBBING CONTINUOUS PLAY PHONES REC PLAY REW STOP EJ PAUSE F FWD PLAY REW F FWD STOP...

Страница 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 ...

Страница 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...

Страница 4: ...ou are 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 h...

Страница 5: ...tical Pickup Follow this procedure 2 Place a conductive sheet on the work bench i e the black sheet used for wrapping repair parts Note The surface of the work bench should be covered by a copper ground 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 momentar...

Страница 6: ...ignal to noise ratio IF rejection ratio Total harmonic distortion Frequency range Usable sensitivity Signal to noise ratio Frequency range WOW FLUTTER Erasing effect W Filter Signal to noise ratio Total harmonic distortion Frequency response Signal to noise ratio Channel separation Total harmonic distortion 125Hz 8KHz 0 35 60 dB 40 dB 5 100Hz 10KHz 1dB 85 dB 1kHz 0dB 75 dB 1kHz 0dB 0 1 1kHz 0dB 87...

Страница 7: ...onics Remote Control Exploded View 2 2 EQ PRESET MUTE MONO ST PHONO POWER PLAY PAUSE VOLUME TUNING TUNING INTRO MEMORY BAND SLEEP PRESET MANUAL CLOCK TIMER TUNER SKIP SEARCH STOP REPEAT DISPLAY PROGRAM TAPE CD VOLUME ...

Страница 8: ...Turn Table Cabinet Front Cabinet Bottom 1 Remove Door CD Direction A 2 Release 6 screws 3 Remove Turn Table Direction B 4 Release 2 screws 5 Release 2 screws 6 Remove Front Cabinet 4 5 3 3 2 1 1 B 3 A Figure 3 1 Samsung Electronics 3 1 ...

Страница 9: ...D Front PCB Cassette Deck Door Cassette Disassembly and Reassembly 1 Release 2 screws 2 Remove Deck CD AssÕy 3 Release 4 screws 4 Remove Deck CD 5 Release 17 screws 6 Remove Front PCB SUB PCB 7 Release 7 screws 8 Remove Cassette Deck 2 3 3 1 4 A A ...

Страница 10: ...3 3 Cabinet Bottom and Main PCB 1 Release 3 screws 2 Remove the Main PCB 1 Figure 3 3 Samsung Electronics 3 3 Disassembly and Reassembly ...

Страница 11: ...o remove 3 Undo 1 screw C and remove the Cam Spring 8 and the Cam 4 Undo 1 screw D and remove the Gear Pulley the Belt Pulley the Gear A and the Gear B 5 Undo 2 screws E and remove the Motor Pulley and the Dc Motor 0 6 Undo 2 screws F and remove the Leaf Switch 9 and the Detector Switch Disconnect the Lead Connector assÕy 4 with soldering iron 7 Remove the AssÕy PCB 3 with soldering iron and remov...

Страница 12: ...ing T Table 5 Remove the Turn Table M 6 Remove 2 screws and then remove the Spindle Motor 7 Remove the Cover Gear by pushing the hook 8 Remove the Gear c by pushing the hook 9 Lift the Gear b 10 Remove the Gear a 1 11 Remove 2 screws 2 and the then remove the Feed Motor 3 12 Remove the Chassis Deck M 4 Disassembly and Reassembly 3 4 5 6 12 2 1 8 9 10 11 13 14 7 ...

Страница 13: ...1 IF CENTER and THD Adjustment SSG FREQ Adjustment point ISVR1 98 MHz SEMI VR 50KΩ FM Seperation Adjustment L CH R CH Maximum Figure 4 3 SSG FREQ Adjustment point ISVR2 98 MHz SEMI VR 5KΩ FM SSG GND 30 dB FM SSG Output GND Speaker Terminal FM Antenna Terminal Distortion Meter Input SET Input output Oscilloscope Oscilloscope Speaker terminal FM antenna OUT GND VTVM SET EXT FM SSG Stereo Modulator P...

Страница 14: ...e 4 5 Figure 4 5 522 KHz IT2 OT1 0 9V 9V OCT2 OCT1 OL1 1611 KHz 594 KHz 1404 KHz Maximum output Maximum output Maximum output Remark Adjsut Point FREQ Setting SSG FREQ Item Step Pre Setup Condition Figure 4 4 Connect DC voltmeter to TCON1 and GND TP1 AM tracking adjustment 522 KHz 522 KHz 594 KHz 1404 KHz AM Signal Generator Test Loop Antenna Speaker terminal VTVM AM Loop Antenna Jack SET TP2 TP1 ...

Страница 15: ... A and Deck B Press PLAY button AZIMUTH DECK A B adjustment IN Speaker Terminal SET Frequency Counter Figure 4 6 Figure 4 7 Recording Play head REVERSE PLAY AZIMUTH control knob Figure 4 8 In Out Speaker Terminal Oscilloscope SET GND VTVM V H CSVR801 CCON801 ISVR2 ISVR1 IT2 OT1 OT2 OCT2 OCT4 OCT3 OL2 OL1 TCON1 OCT1 IT1 KT431 1 Connect frequency counter KC434 and press the REC button 2 Adjust KT431...

Страница 16: ...gure 4 3 4 To Adjust E F Balance PLAY mode 1 Set Time Div of the oscilloscope to 2mS 2 Set Volt Div of the oscilloscope to 0 5V 3 Ground the scope input and set to DC and then set the DC range 4 Connect the ground terminal of the oscilloscope to Vref and terminal to center to TP2 5 Load and play the disc 6 Turn NVR1704 counterclockwise to the minimum value 7 Raise NVR1702 and adjust the waveform s...

Страница 17: ... lamp is ON Pins 73 31 of UIC1 LC72362 is at 5V Voltages at RQ702 RQ703 are normal Power Transistor fuse normal Connection are soldering of SCON1 FCW2 are normal Voltages at RQ1 RQ2 and RFR1 are normal Voltage at RQ701 is normal Replace RQ701 Check Voltage at RIC1 Samsung Electronics 6 1 ...

Страница 18: ...W2 FCON1 soldering of pin77 of LC72362 Replace FET Yes No No Check pump charge circuitry OQ5 connection of SCON1 FCW2 FCON1 soldering of pin77 of LC72362N Yes Voltage at LC1851N IIC1 and tuner semi conductors are normal Refer to Schematic Diagram Voltage between TCON1 AM MW Low coverage 0 9V 0 5 High coverage 9V 0 5 LW Low coverage 0 7 V 0 5 High coverage 4 5V 0 5 Check loop antenna soldering and ...

Страница 19: ...try Noise occurs at pin3 22 or pin4 21 with volume control at mid position Noise occurs at pins1 24 Check function selector section No Yes Yes Yes No Speaker connections are normal all pins of AIC1 LA4620 are normal Refer to Schematic Diagram Voltage at base of AQ601 AQ651 C945 is less than 0 6V Pattern Speaker Jack normal Check power supply section Check Muting circuitry Voltages to Samsung Elect...

Страница 20: ...oscillation of NXF100 16 9344MHz Does Laser function during Focus Search Replace PICK UP Check NIC9282 pin73 voltage Replace NIC9282 Yes POWER ON Check CLOSE MOTOR driving Replace NIC9220 or NIC9258 element and CLOSE S W during Focus Search 5V Yes Yes No No No No Yes Yes 6 4 Samsung Electronics Troubleshooting 6 2 CD ...

Страница 21: ...NIC9282 No Check NIC9282 soldring conditon Check waveform of NIC9270 pins 9 12 Check waveform of NIC9270 Replace NIC05 Check Amp operation Malfunction of Audio output pins 19 20 Replace NIC9270 Check NIC9270 soldering condition Replace NIC9270 Check NIC9270 soldering condition Yes Yes Yes Yes Yes No No No pins 2 19 ...

Страница 22: ...MOTOR FR ARM ASS Y REEL GEAR ASS Y ARM SENSOR PAUSE LOCK CMA ADR2040FW 11134 01280AA 51299 02506XC ADR28 010 ADR26 001 ADR02 042 ADR15 021 ADR15 022 EG530YD2B ADR22 012 11128 00045AA 11102 00530AA 11116 00011AA No Code No Description Specification Remarks 13 14 15 16 17 18 19 20 21 22 23 24 25 AH81 10025P AH81 10026B AH81 10026W AH81 10026M AH81 10025Q AH81 10025R AH81 10025S AH81 10026T AH81 1002...

Страница 23: ... Y MAIN Ð PCB LCD POWER CORD POWER PCB EQ PRESET MUTE MONO ST PHONO POWER PLAY PAUSE VOLUME TUNING TUNING INTRO MEMORY BAND SLEEP PRESET MANUAL CLOCK TIMER TUNER SKIP SEARCH STOP REPEAT DISPLAY PROGRAM TAPE CD VOLUME 36 38 37 PCB MAIN AMP 35 7 2 Main Exploded View and Parts List 7 2 1 Exploded View Exploded Views and Parts List 7 2 Samsung Electronics ...

Страница 24: ...NG DOOR DAMPER ASSY KNOB TUNER A KNOB POWER LENS POWER KNOB FUNCTION FILTER LCD HOLDER CD LENS PLAY CD KNOB SKIP KNOB TUNER B KNOB EQ KNOB OP CL KNOB PLAY CD KNOB DECK REC KNOB PLAY S KNOB REW KNOB DECK FF KNOB DECK SJ EJ KNOB DECK PAUSE KNOB PLAY L BRACKET DECK CHASSIS MECHA HEAT SINK CABINET BOTTOM BRACKET P T ASS Y T T COVER DUST REMOCON ASS Y BRKT HEAT SINK HEAT SINK MAIN DOOR BATTERY MIPS 94H...

Страница 25: ...GEAR A GEAR B HOLDER CHUCK LEVER LIFTER DECK P PULLEY GEAR PULLEY MOTOR TRAY MI BELT PULLEY ASS Y PCB LEAD CONNECTOR ASS Y MAGNET FERRITE RUBBER CD SHAFT CD SPRING CAM SWITCH LEAF MOTOR DC SWITCH DETECTOR HOLDER PCB BASIC SBHG T0 8 WHT CMS CR1 PC BLK CMS M1 ABS BLK CMSA3 NYLON12 M0 5 M0 5 Z17 45 POM M0 5 M0 8 Z19 Z46 ABS 94HB BLK CMS M1 PC CMSP3 POM BLK CMS M1 POM BLK CMS M1 ABS BLK CMS M1 NEOPLEN...

Страница 26: ...Exploded Views and Parts List Samsung Electronics 7 5 7 3 1 Parts List 3 5 6 8 9 10 17 18 19 20 14 21 11 12 13 14 17 16 17 16 16 23 2 4 7 15 ...

Страница 27: ...DP CHASSIS DECK M COVER GEAR GEAR A GEAR B GEAR C SHAFT PU CENTER RING TURN TABLE M PICK UP CDP SPRING T TABLE MOTOR SPINDLE MOTOR FEED SCREW PH M2 3 CMS P30NM6 CMSA30 POM M90 44 CMS V30 BLK ABS CMS V30 M0 3 Z13 SP POM CMS V30 M0 3 Z13 SP POM CMS V30 M0 3 Z16 Z90 SP POM CMS V30 D3 L79 SUS420J2 ABS GS 20 CMS V10N ABS GS 20 CMS V10N P U SOH A1 ROW V P J CS STS W PI0 4 D5 7 L9 3 CMS V10N RF 310T 1140...

Страница 28: ...Samsung Electronics 7 7 7 4 CD Deck Exploded View and Parts List 7 4 1 Exploded View 3 4 5 6 12 2 1 8 9 10 11 13 14 7 Exploded Views and Parts List ...

Страница 29: ...0L AH81 10020M AH81 10020N AH81 10020Q ASS Y T T CABINET TOP LOCKER ARM HINGE ASS Y COVER DUST PLATE CLUTCH GUIDE CLUTCH LINK ACTUATING SPRING ADJUST LEVER S W CARTRIDGE TONE ARM ASS Y HOLDER ARM FEED ARM SWITCH LEAF PULLEY MOTOR MOTOR ADAPTER EP SPACER BELT DRIVING PLATTER E RING SLIDE SWITCH SCM6550 PM00010 M13000 TV PM40230 ACETAL PA40091 PM20370 M13000TV PM40211 ACETAL PM40221 ACETAL PZ40171 S...

Страница 30: ...Samsung Electronics 7 9 Exploded Views and Parts List 7 5 2 Exploded View ...

Страница 31: ...148 LED ROUND GRN 3 1MM 615NM LED2 0601 000148 LED ROUND GRN 3 1MM 615NM LED3 0601 000148 LED ROUND GRN 3 1MM 615NM P T1 AH26 80140H TRANS POWER EI60X30 115 230V 60 50HZ SCM67 PC1 2201 000520 C CERAMIC DISC 4 7NF 80 20 400VAC Y5V BK PCW1 3711 000190 CONNECTOR HEADER 1WALL 2P 1R 7 92MM STRAIGHT SN PCW2 3711 000898 CONNECTOR HEADER BOX 3P 1R 2 5MM ANGLE SN PL1 AH27 10001F COIL CHOKE 27UH K Q30 DR 6 ...

Страница 32: ...M 5 1 8W AA TP 1 8X3 2MM UR12 2001 000010 R CARBON 68KOHM 5 1 8W AA TP 1 8X3 2MM UR13 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M UR14 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M UR15 2001 000890 R CARBON 6 8KOHM 5 1 8W AA TP 1 8X3 2M UR16 2001 000977 R CARBON 8 2KOHM 5 1 8W AA TP 1 8X3 2M UR17 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM UR18 2001 000331 R CARBON 12KOHM 5 1 8W...

Страница 33: ...N 4 7KOHM 5 1 8W AA TP 1 8X3 2M UR8 2001 000890 R CARBON 6 8KOHM 5 1 8W AA TP 1 8X3 2M UR9 2001 000977 R CARBON 8 2KOHM 5 1 8W AA TP 1 8X3 2M USW1 3404 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM SPS USW10 3404 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM SPS USW11 3404 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM SPS USW12 3404 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM SPS USW13 3404 000165 S...

Страница 34: ...X4MM 5MM AC53 2401 001895 C AL 100UF 20 16V GP BK 6 3X11MM 2 AC54 2301 000430 C FILM PEF 33NF 10 50V TP 7 5X11X4MM 5MM AC58 2301 000373 C FILM PEF 100NF 10 50V TP 11X12 5X6 5 7 AC59 2401 001895 C AL 100UF 20 16V GP BK 6 3X11MM 2 AC61 2401 001912 C AL 1UF 20 50V GP BK 5X11MM 2MM AR01 2001 000456 R CARBON 2 2OHM 5 1 4W AA TP 2 4X6 4MM AR02 2001 000456 R CARBON 2 2OHM 5 1 4W AA TP 2 4X6 4MM AR03 2001...

Страница 35: ...0V 4 0A DIP 4 RIC1 1203 000276 IC POSI FIXED REG 7805 TO 220 3P PLASTIC 4 8 5 RQ701 0502 000303 TR POWER KSD882 NPN 1W TO 126 TP 160 32 RQ704 0502 000303 TR POWER KSD882 NPN 1W TO 126 TP 160 32 RQ705 0502 000407 TR POWER KTC4369Y NPN 15W TO 220 BK 120 RQ705 AH62 30107B HEAT SINK AL T6 0 WHT MM16 DOM SCON1 3711 003080 CONNECTOR HEADER NOWALL 28P 1R 1 25MM ANGLE SN UC901 2401 000129 C AL 1000UF 20 1...

Страница 36: ...W TO 92 TP 120 CQ805 0501 000294 TR SMALL SIGNAL KSA708 Y PNP 800MW TO 92 TP 12 CQ806 0501 000010 TR SMALL SIGNAL KSC1008 Y NPN 80V 60V 700MA 80 CQ808 0501 000294 TR SMALL SIGNAL KSA708 Y PNP 800MW TO 92 TP 12 CR801 2001 000857 R CARBON 560OHM 5 1 8W AA TP 1 8X3 2MM CR802 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM CR803 2001 000802 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X3 2M CR804 2001 000689 R ...

Страница 37: ... C CERAMIC MLC AXIAL 100PF 10 50V Y5P TP 3 5X19 IC23 2202 000796 C CERAMIC MLC AXIAL 1NF 10 50V Y5P TP 3 5X19 IC24 2301 000412 C FILM PEF 22NF 10 50V TP 6 5X10 5X4MM 5 IC25 2301 000412 C FILM PEF 22NF 10 50V TP 6 5X10 5X4MM 5 IC26 2401 001912 C AL 1UF 20 50V GP BK 5X11MM 2MM IC27 2401 001912 C AL 1UF 20 50V GP BK 5X11MM 2MM IC28 2202 000854 C CERAMIC MLC AXIAL 47NF 30 50V Y5R TP 3 5X1 9 IC29 2401 ...

Страница 38: ...2 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X3 2M IR8 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM IR9 2001 000591 R CARBON 3 3KOHM 5 1 8W AA TP 1 8X3 2M ISVR1 2103 000461 VR SEMI 50KOHM 30 1 10W TOP ISVR2 2103 000492 VR SEMI 5KOHM 30 1 10W TOP JC301 2202 000847 C CERAMIC MLC AXIAL 1 8NF 30 50V Y5S TP 3 5X1 9 JC302 2202 000847 C CERAMIC MLC AXIAL 1 8NF 30 50V Y5S TP 3 5X1 9 JC303 2401 001975 C AL 47UF...

Страница 39: ...00290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM JR321 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 2MM JR322 2001 000613 R CARBON 3 9KOHM 5 1 8W AA TP 1 8X3 2M JR323 2001 000508 R CARBON 220KOHM 5 1 8W AA TP 1 8X3 2M JR351 2001 000802 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X3 2M JR352 2001 000802 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X3 2M JR353 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM JR354 2001 000...

Страница 40: ... KR403 2001 001006 R CARBON 82OHM 5 1 8W AA TP 1 8X3 2MM KR404 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 2MM KR405 2001 000977 R CARBON 8 2KOHM 5 1 8W AA TP 1 8X3 2M KR406 2001 000802 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X3 2M KR407 2001 000010 R CARBON 68KOHM 5 1 8W AA TP 1 8X3 2MM KR408 2001 000522 R CARBON 22KOHM 5 1 8W AA TP 1 8X3 2MM KR409 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 2MM K...

Страница 41: ...401 001912 C AL 1UF 20 50V GP BK 5X11MM 2MM PC3 2401 000795 C AL 220UF 20 16V GP 8X11 5 3 5M PCON1 3711 001011 CONNECTOR HEADER BOX 5P 1R 2 5MM STRAIGHT SN PQ1 0501 000394 TR SMALL SIGNAL KSC900 L NPN 250MW TO 92 350 PQ1L 0501 000337 TR SMALL SIGNAL KSC1222 L NPN 250MW TO 92 TP 3 PQ1R 0501 000337 TR SMALL SIGNAL KSC1222 L NPN 250MW TO 92 TP 3 PR1 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M ...

Страница 42: ...QC561 2301 000389 C FILM PEF 150NF 5 50V TP 12 5X15X7 5 7M QC562 2202 000855 C CERAMIC MLC AXIAL 6 8NF 30 16V Y5R TP 3 5X1 9 QC563 2301 000456 C FILM PEF 56NF 10 50V TP 8X12X4 5MM 5MM QC564 2202 000850 C CERAMIC MLC AXIAL 2 2NF 30 16V Y5R TP 3 5X1 9 QC565 2301 000390 C FILM PEF 15NF 10 50V TP 6 5X9X3 5MM 5M QC566 2202 000825 C CERAMIC MLC AXIAL 680PF 10 50V Y5P TP 3 5X19 QC567 2301 000412 C FILM P...

Страница 43: ... 12V 11 4 12 6V 1W DO RZD703 0403 000399 DIODE ZENER UZP9 1B 9 1V 8 5 9 6V 1W DO RZD704 0403 000358 DIODE ZENER UZ5 6BSB 5 6V 5 46 5 7V 500 SC201 2201 000470 C CERAMIC DISC 330PF 10 50V SL TP 6 5X3 5 SC251 2201 000470 C CERAMIC DISC 330PF 10 50V SL TP 6 5X3 5 SR202 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M SR205 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X3 2M SR252 2001 000734 R CARBON...

Страница 44: ...NNECTOR HEADER BOX 6P 1R 2MM ANGLE SN NIC164 1003 000298 IC MOTOR DRIVER LB1641 SIP 10P ST PLASTI NS100 3409 000174 SWITCH LEAF 16VDC 500MA 10GF SPST AH94 20007P ASSY CHIP G3A8 43R 2203 000260 C CERAMIC CHIP 10NF 10 50V X7R TP 2012 44L 2203 000260 C CERAMIC CHIP 10NF 10 50V X7R TP 2012 500 2203 000260 C CERAMIC CHIP 10NF 10 50V X7R TP 2012 600 2203 000260 C CERAMIC CHIP 10NF 10 50V X7R TP 2012 601...

Страница 45: ...NC701 2203 000260 C CERAMIC CHIP 10NF 10 50V X7R TP 2012 NIC922 1204 001041 IC ASP KA9220B QFP 80P PLASTIC 6V 9 NIC925 1003 000179 IC MOTOR DRIVER KA9258D SOP 28P SINGLE ST NIC927 1204 000110 IC AUDIO FILTER KA9270 SOP 20P PLASTIC 12V 5 NIC928 0904 000157 IC DSP 9282 QFP 80P 16 9344MHZ NL100 2703 000002 INDUCTOR SMD 100UH 10 2 5X3 2X2MM NR100 2007 000355 R CHIP 12KOHM 5 1 10W DA TP 2012 NR101 2007...

Страница 46: ...29 R CHIP 0OHM 5 1 10W DA TP 2012 NR609 2007 000029 R CHIP 0OHM 5 1 10W DA TP 2012 NR610 2007 000029 R CHIP 0OHM 5 1 10W DA TP 2012 NR611 2007 000029 R CHIP 0OHM 5 1 10W DA TP 2012 NRD 2007 000282 R CHIP 100KOHM 5 1 10W DA TP 2012 AH94 30007P ASSY AUTO G3A8 NC105 2401 000243 C AL 100UF 20 10V GP TP 6 3X5 2 5M NC114 2401 000419 C AL 10UF 20 16V GP 4X7 5 NC117 2401 001968 C AL 470NF 20 50V GP TP 5X1...

Страница 47: ...HM 30 1 10W SIDE NVR170 2103 000291 VR SEMI 20KOHM 30 1 10W SIDE NVR170 2103 000291 VR SEMI 20KOHM 30 1 10W SIDE NXF100 2802 000211 RESONATOR CERAMIC 16 93MHZ 0 5 TP 10 0X5 0X10 0 NZD101 0403 000358 DIODE ZENER UZ5 6BSB 5 6V 5 46 5 7V 500 Samsung Electronics 8 17 Electrical Parts List Location No Code No Description Specification Remarks ...

Страница 48: ...8 18 Samsung Electronics Electrical Parts List Location No Code No Description Specification Remarks ...

Страница 49: ...IIC1 UIC1 JIC1 AIC1 UIC2 LC72362 PLL CD MICOM 3 9 14 17 20 22 LA4620 9 Block Diagrams 9 1 Main Samsung Electronics 9 1 ...

Страница 50: ...NVR1704 TE GAIN NVR1703 FE GAIN NVR1701 FE BIAS NVR1702 EF BAL MOTOR CONTROL S W SENSOR FOK MAIN PCB MAIN PCB MICOM CTRL LINE POWER AUDIO LINE 10 1 11 2 19 19 R G L 21 20 36 37 38 68 25 26 30 29 10 70 72 73 75 76 27 MCK MDATA MLT ISTAT SQDT LKFS SOS1 SQCK A GND R CH L CH GND B LD ON RESET LOCK SMEF WDCH SMON SMSD SL IN SP IN TE IN EF IN VREF SL SL MOTOR ACTUATOR DRIVER KA9258 6 NIC 9258 ASSP KA922...

Страница 51: ...ONSTANT R P SW A IN B IN A B SELECT S W A IN B IN 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 DI CL CE OSC Vss V DD 2 V DD 1 INH V DD COM 3 COM 2 COM 1 S 52 S 51 S 50 S 49 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 S 17 S 18 S 19 S 20 S 21 S 22 S 23 S 24 S 25 S 26 S 27 S 28 S 29 S 30 S 31 S 32 S 1 1 S 2 2 S 3 3 S 4 4 S 5 5 S 6 6 S 7 7 S 8 8 S 9 9 S 10 10 S 11 11 S 12 12 S 13 13 S 14 14 S ...

Страница 52: ...39 40 XOUT TEST 1 EO 1 EO 2 Vss FMIN AMIN Vdd SUBPD EO 3 HCTR LCTR SNS HOLD PH 0 ADI 0 PH 1 ADI 1 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 LC72362N QIP80E I 0 I 0 I 0 0 0 0 I I 0 0 0 0 I 0 I 0 I 0 0 I I 49 RF 3 50 RVref 51 RINVIN 2 52 RTOUT 53 RVRIN 54 NC 55 RVROUT 56 Vref 57 VDD 58 LVROUT 59 NC 60 LVRIN 61 LTOUT 62 LINVIN 2 63 LVref 64 LF 5 1 LF 4C3 2 LF 4C2 3 LF 4C1 4 LF 3C3 5 LF 3C2 6 LF...

Страница 53: ... 4 25 CLASSIC 6a 6b 6c 5 26 7f 7e PROGRAM 6 27 1f 1i 1e INTRO 7g 7d 7 28 1h 1g 1d 7a 7b 7c 8 29 1a 1b 1c STEREO 9 30 2f AUTO KHz MHz 10 31 2h 2g 2d MUTE RANDOM 11 32 2a 2b 2c 12 33 3f 3e 2j 13 34 3h 3g 3d 14 35 3a 3b 3c 15 36 SLEEP 1 REP SYNC HI DUBB OVER 16 37 4f 4e 3j S1 S2 S3 17 38 4g 4d S4 S5 18 39 4a 4b 4c S6 S7 S8 19 40 5f 5e 4hj S9 S10 A B 20 41 5j 5g 5d 21 TUNED ON OFF TRACK POPS 2e 4 3 2 ...

Страница 54: ...C9258 KA9270 NIC9270 LB1641 BA6209 MOTOR DRIVER SIC1 SIC2 SIC3 NIC1641 9 6 Samsung Electronics Block Diagrams 9 3 2 CD TR 1 2 3 1 E NOTE KSB564 EBC TYPE C 2 3 B KSR1003 A928 1 2 3 4 5 6 7 8 9 10 12 11 13 14 15 16 17 18 19 2 0 LPF OUTPUT2 LPF28 V REF RIPPLE DE EMPHA CTL DE EMPHA OUT2 DE EMPHA IN2 BUFFER OUT2 INPUT2 LPF2 LPF1 GND LPF OUTPUT1 LPF1B MUTE CONTROL INPUT DE EMPHA CONTROL INPUT DE EMPHA C...

Страница 55: ...FE2 FE1 FBIAS AVEE RF DCC1 DCC2 RV EI EO F E N C CV PD2 PD1 PD LD P N RF RFO RFI LOQP FILTER EFM COMPARATOR VREO VIC VCO 1 TIME VCO 2 TIMES TTL TO COMS COMS TO TTL CLV LPF MICOM TO SERVO CONTROL AUTO SEQUENCER FS1 TG4 TG1 TG2 FM1 TG7 PS1 TG2 DEFECT AMP COMPARATOR DEFECT AMP COMPARATOR ARC AMP RF AMP FOCUS ERROR AMP FOCUS PHASE COMPENSATION TRACKING ERROR AMP WINDOW COMPARATOR TRACKING PHASE COMPEN...

Страница 56: ...TRCNT ISTAT SQDT SQOK VREFH2 VREFH1 VREFL1 VREFL1 LCHOUT RCHOUT DATX TEST SEL4 SEL3 SEL2 SEL1 SOS1 SBCK SDAT SUBCODE SYNC DETECTOR SUBCODE OUTPUT SUBCODE Q REGISTER EFM MODULATOR 23 BITS SHIFT REGISTER EFM PHASE DETECTOR DPLL C L V SERVO E C C 10K SRAM 3RAM ADDRESS GENERATOR DIGITAL FILTER BFS D A C DIGITAL OUTPUT X TAL TIMING GENERATOR X TAL TIMING GENERATOR MODE SELECTOR C P U INTERFACE 28 29 SQ...

Страница 57: ... TAPE FUNCTION LED CD CD CONTROL FUNCTION LED PHONO or AUX POWER CONTROL AUDIO MUTE TUNER MUTE OPTION INPUT OPTION INPUT OPTION INPUT OSC for SYSTEM CLOCK DOOR CLOSE SENSE PORT LCD CONTROL SIGNAL LCD CONTROL SIGNAL LCD CONTROL SIGNAL DOOR OPEN SENSE PORT VOLUME CONTROL SIGNAL VOLUME CONTROL SIGNAL VOLUME CONTROL SIGNAL SERVO FUNCTION SIGNAL SUBCODE Q CHANNEL DATA CLOCK for Q DATA FOCUS OF SIGNAL L...

Страница 58: ...I O O I I O O O OPTION INPUT OPTION INPUT OPTION INPUT TUNING IND SD STEREO IND REMOCON SRS SW MW FM KEY DATA KEY DATA KEY DATA KEY DATA KEY DATA POWER OFF SENSE VOLTAGE SENSE FM AM IF INPUT AM INPUT FM INPUT TUNER VOLTAGE CONTROL TUNER VOLTAGE CONTROL OSC 4 5MHz PORT for OPTION DATA PORT for OPTION DATA PORT for OPTION DATA TUNING INDICATER ON OFF STEREO INDICATER ON OFF REMOCON SIGNAL INPUT A D ...

Страница 59: ...10 PCB Diagrams 10 1 Main Samsung Electronics 10 1 ...

Страница 60: ...10 2 Front PCB Diagrams 10 2 Samsung Electronics ...

Страница 61: ...Samsung Electronics 10 3 PCB Diagrams 10 3 Power ...

Страница 62: ...10 4 CD PCB Diagrams 10 4 1 Top View 10 4 2 Bottom View 10 4 Samsung Electronics ...

Страница 63: ...11 Wiring Diagram Samsung Electronics 11 1 FCW5 FCW2 FCW4 FCW3 NCW101 NCW103 PCW2 ACON1 RCW1 UCW901 JCON302 JCON301 SCON1 CCON801 PCON1 11 PIN ...

Страница 64: ...JIC1 QIC1 UIC1 IIC1 UIC2 AIC1 12 Schematic Diagrams 12 1 Main Samsung Electronics 12 1 ...

Страница 65: ...12 2 CD 12 2 Samsung Electronics Schematic Diagrams 1 1 2 2 3 3 ...

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