Samsung MAX-445 Скачать руководство пользователя страница 22 | Manualshive

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6-4

Samsung Electronics

Yes

Connector inserted

correctly?

No

Yes

Check voltage : AC 4.8V

at FRONT-PCB FLT?

No

Check Main-PCB Front PCB
connection and the voltage of
MCW2, pins1,2(AC4.8V)

Yes

Check voltage at UIC1

pin no. 48(-30V)

No

Check the voltage of RD3(-30V)

Reinsert the connector.

Replace UIC1

6-1-4 V.F.D Malfunction

Troubleshooting

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Содержание MAX-445

Страница 1: ...ustments 5 Special Circuit Descriptions 6 Troubleshooting 7 Exploded Views and Parts List 8 Electrical Parts List 9 Block Diagrams 10 PCB Diagrams 11 Wiring Diagram 12 Schematic Diagrams SERVICEManual 3CDCHANGERMINI COMPONENTSYSTEM MAX 445 455 CONTENTS Samsung Electronics Co Ltd Dec 1996 Code No AH68 20144A ...

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: ...ratio Total harmonic distortion Frequency range Usable sensitivity Signal to noise ratio Frequecny range WOW FLUTTER Erasing effect Signal to noise ratio Total harmonic distortion Frequency response Signal to noise ratio Channel separation Total harmonic distortion 87 5 108MHz 8µV 55dB 60dB 0 7 23dB 522 1611KHz 600µV 40dB 45dB 2 146 290KHz 1250µV 35dB 125Hz 8KHz 0 35 55dB 45dB 2 20Hz 20KHz 1dB 90d...

Страница 7: ...sembly and Reassembly 3 1 Cabinet Top 1 Remove 11 screws holding the cabinet top 2 Lift the back of the cabinet top and slide it to the rear to remove See arrow OPTION OPTION Samsung Electronics 3 1 Figure 3 1 ...

Страница 8: ...rrow 2 If power is not connected Turn the gear clockwise using a screw driver as shown in Figure 3 2 1 Pull the Tray in the direction of arrow and then remove the Door in the direction of arrow 3 Remove 2 screws and lift the CD MECHA 1 2 3 4 4 4 4 OPTION OPTION 3 2 Samsung Electronics Figure 3 2 1 Figure 3 2 Disassembly and Reassembly ...

Страница 9: ...ft the cabinet rear and slide it to rear to remove see arrow 2 Remove the Main PCB to rear A A B B 8 8 8 8 OPTION OPTION 1 Remove 5 screws 2 Remove the cabinet rear by pushing the A and B as shown Samsung Electronics 3 3 Figure 3 3 Figure 3 4 7 7 6 6 5 5 5 5 OPTION OPTION Disassembly and Reassembly ...

Страница 10: ...sembly and Reassembly 13 13 8 8 2 2 7 7 6 6 5 5 4 4 9 9 3 3 1 1 10 10 17 17 16 16 12 12 11 11 20 20 15 15 21 21 14 14 19 19 CD SUB PCB TRAY DISC ASS Y TRAY STOPPER CD MAIN PCB HOOK BASE MAIN 18 18 Refer to the next page for timming point Figure 3 5 ...

Страница 11: ... Base Main by turning it 2 Push the Slider Cam towards right then lift it up to remove 3 Remove the Gear Tray from the Base Main by releasing the fixed hook 4 Remove the Gear Converter from the Base Main by releasing the fixed hook 5 Remove the Gear Cam from the Base Main by releasing the fixed hook 6 Remove the Belt from the Pulley Motor AssÕy 7 the Gear Pulley 7 Remove the Gear Pulley from the B...

Страница 12: ...over Gear Cam Gear Synchro Gear Disc Insert Gear Tray Reinstall in reverse order Align the Gear cam with the gear Tray as shown in Figure3 6 then mount the Tray Disc When assembling the Tray Disc take extreme care not to engage with Gear Synchro Gear Cam Timming Point Figure 3 7 ...

Страница 13: ...Turn Table M 6 Remove 2 screw 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 then remove the Feed Motor 3 12 Remove the Chassis Deck M 4 3 4 5 6 12 2 1 8 9 10 11 13 14 7 Samsung Electronics 3 7 Figure 3 8 Disassembly and Reassembly ...

Страница 14: ...minal Input Input Figure 4 1 IF CENTER and T H D Adjustment Figure 4 2 FM Auto Search Level Adjustment Output Distortion Meter Oscilloscope Oscilloscope FM SSG FM SSG GND 26dB 75Ω Dummy FM IN FM Antenna SET 5 kΩ SET Output GND AM MW I F Adjustment SSG FREQ 450KHz Adjustment point AM I F COIL IFT1 Maximum output Figure 4 3 Figure 4 3 AM I F Adjustment AM ANT 60cm IFT1 IN AM SSG 450KHZ Speaker Termi...

Страница 15: ...ton 1 Insert MTT 111 to Deck 2 2 Insert MTT 5512 to Deck1 3 Press Hi SPEED button 4 Press RECORD button Remark Adjustment Point Samsung Electronics 4 2 4 2 2 Location of Adjustment Points Refer to page 4 1 4 2 3 Adjustment Procedure 4 2 3 a TAPE SPEED 4 2 3 b AZIMUTH 1 DECK 1 2 DECK 2 Maximum output and identical phase of L R channel Set the screw after adjustment Maximum output and identical phas...

Страница 16: ... disc 3 While the disc is running adjust the gain with NVR1703 as shown in the following figure VOLT DIV 0 2V TIME DIV 2mS Normal frequency Normal frequency Low frequency High frequency Low frequency High frequency VOLT DIV 0 1V TIME DIV 2mS VOLT DIV 0 1V TIME DIV 2mS VOLT DIV 0 1V TIME DIV 2mS VOLT DIV 0 2V TIME DIV 2mS VOLT DIV 0 2V TIME DIV 2mS 0V A B A B 4 3 4 To Adjust E F Balance PLAY mode 1...

Страница 17: ...compensation is inversely proportional to the resistance connected to pin 7 Focus search peak is about 1 1 Vp p and is inversely proportional to the resistance connected to pins 22 23 if this resistance changes the peak of track jump and sled kick change The inverted input of FZC comparator is set to 5 7 of the difference between Vcc and VC pin69 5 7 x Vcc Vc Note If the resistance connected to pi...

Страница 18: ...orTM6 currentand thefeedbackresistanceofpin41 Sled jump max voltage TM5 TM6 currentx feedbackresistance EachSW currentisdetermined bytheresistanceconnected topin22and 23 Whenthe resistanceisabout150 TM3or TM4 11µA TM5 or TM6 22µA Thiscurrent is inverselyproportionaltotheresistor variablewithinarangeoft5to40µAforTM3 STOPis theON OFFdetectionsignalforthelimitSW orthesled motor sinnermost cirumferenc...

Страница 19: ...tage normal Yes Check the Power PCB RD7 8 13 1N5392 Yes Front PCB Does UX1 12MHz oscillate FRONT PCB PWR SENS voltage normal pin no 27 5V Check the Main PCB RD16 RR10 11 12 RC12 RD9 Yes Front PCB When the power is ON H displays at pin no 5 5V Yes Connect Front PCB and Main PCB Check the connector Main PCB Wafer MCW2 No Replace µ com Yes No No No No Check the Power PCB P T FUSE No ...

Страница 20: ...mocon Replace Headphone jack soldering condition Main PCB AIC101 STK4121 4141 4181 Option pin no 9 11 12 14 B B circuits Check the B power source part in RD1 PBL403 RC2 3 and RIC1 Yes Confirm for TR short replace it Check if the output line is short No No No No Yes Yes Troubleshooting 6 1 2 No Output ...

Страница 21: ...LPF1 2 output ok Check TDA7318 function ok Check FEP interior pattern and any line disconnections 1 Power impaired so repair defects 2 LC72131 Oscillator HX1 7 2MHz ok 3 System line ok No Yes Check for µ com IC Replace LC72131 No HZD1 5 6V Voltage ok HIC1 LC72131 FM AM BAND Switching ok No No No No No No No 0 9V 7V Power section defective RIC1 BA3950 Voltage ok PIN NO 8 12V Check the voltage ok No...

Страница 22: ... Check voltage AC 4 8V at FRONT PCB FLT No Check Main PCB Front PCB connection and the voltage of MCW2 pins1 2 AC4 8V Yes Check voltage at UIC1 pin no 48 30V No Check the voltage of RD3 30V Reinsert the connector Replace UIC1 6 1 4 V F D Malfunction Troubleshooting ...

Страница 23: ...1 KA22291 Convert of P B R P Signal Check for voltage at pin5 1 P B Deck H 2 R P Deck L Check for voltage at LC2 Osc Frequency 85kHz When inoperative LQ4 LQ3 check Convert of PLAY RECORD R P Switching Oscillate RECORD BIAS 85KHZ Check for voltage at pin no 16 8 BIAS OSC Mode Rec PLAY 9V 0V Pin no 16 8 ...

Страница 24: ...Control ok No Check Roulette Control Sensor Is Focus Search ok No Check oscillation of NXF100 16 9344MHZ Does Laser function during Focus Search Replace PICK UP Replace NIC9220 or NIC9258 Yes POWER ON Check UP DOWN MOTOR Replace NIC9282 Check NIC9282 pin73 voltage during Focus Search 5V No Yes Yes No No Yes Yes No No Yes 6 3 CD 6 3 1 Disc Revolution Malfunction Troubleshooting ...

Страница 25: ...heck voltage of NIC05 5V No Check waveform of NIC9282 pin no 19 20 Check NIC9282 soldering Check waveform of NIC9270 pin no 9 12 Replace NIC9270 Check NIC9270 soldering Yes Replace NIC05 Check Amp Malfunction of Audio Output Yes Yes Yes No No Troubleshooting ...

Страница 26: ...186 10000 607 146 10000 607 101 10000 607 103 10000 607 104 10000 607 105 10000 607 106 10000 502 020 10000 607 108 10000 607 109 10000 607 117 10000 607 111 7 1 Samsung Electronics No New Code No Description Specification Old Code No 13 14 15 16 17 18 19 20 21 22 23 24 25 26 AH81 10025P AH81 10026B AH81 10026W AH81 10026M AH81 10025Q AH81 10025R AH81 10025S AH81 10026T AH81 10026U AH81 10022E AH8...

Страница 27: ...ELT MOTOR R P HEAD PB HEAD E HEAD AUTO LEVER F AUTO LEVER R EJECT SLIDE LEVER TURN OVER SPRING GEAR T CAM F T CAM GEAR R PINCH ROLLER F PINCH ROLLER R REEL ASS Y LEAF SW FLY WHEEL ASS Y MAIN BELT TN521ZSW 290Z 332 1821 01 15 1821 14 55 1921 14 11 MSW 1541T 1921 04 301 1921 05 06 1921 07 302 1921 07 03 1921 09 303 1921 26 02 1821 10 07 1921 05 304 1921 05 303 1921 13 02 1821 10 93 1821 12 173 EG530...

Страница 28: ...32 33 33 34 34 36 36 38 38 39 39 29 29 50 50 41 41 41 41 51 51 42 42 21 21 22 22 23 23 24 24 25 25 26 26 27 27 11 11 12 12 13 13 14 14 15 15 16 16 43 43 43 43 45 45 46 46 48 48 23 23 24 24 25 25 52 52 47 47 49 49 31 31 17 17 53 53 42 42 28 28 30 30 27 27 23 23 26 26 24 24 25 25 OPTION OPTION ONLY MAX 455 52 52 OPTION 37 37 OPTION OPTION ...

Страница 29: ...CASSETTE R DOOR TRAY WINDOW CD WINDOW FLT WINDOW DOOR L WINDOW DOOR R COVER FUNCTION B BADGE BRAND KNOB JOG KNOB VOLUME KNOB OPEN CLOSE KNOB POWER KNOB FUNCTION KNOB CD KNOB SBS KNOB DECK REC KNOB DECK PLAY A KNOB DECK REW KNOB DECK FF KNOB DECK ST EJ KNOB DECK PAUSE KNOB DECK PLAY L KNOB DECK MODE KNOB DECK DIRECT KNOB MIC LENS SRS LENS SBS LENS SKIP No New Code No Description Specification Remar...

Страница 30: ...A AH66 20193A AH66 90056A AH66 90055A AH59 10099A AH59 10100A AH59 10101A AH66 30086A AH73 10016A AJ59 20003F SLIDER CAM BELT LOAD GEAR PULLEY GEAR LOAD GEAR CAM GEAR TRAY GEAR CONVERT GEAR SYNCRO ASSY TRAY DISC ASSY WORM MOTOR CUSHION MOTOR GEAR ROULETTE TRAY ROULETTE TRAY DISC ASSY PCB SENSOR ASSY TABLE CHUCK ASSY PULLEY MOTOR LEVER LIFTER RUBBER CD DECK CDP ABS HF 380 NTR CR POM M90 44 WHT POM ...

Страница 31: ...R 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 BASIC 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 11400 43L 25V 85mA RF 310TA 30M...

Страница 32: ... 2SB1185 PNP 2W TO 220FP BK B4052 0035 JQ2L 2R 3L 3R 8 CQ9 AQ102 0504 000121 TR DIGITAL KSR1007 NPN 300MW 22K 47 12159 301 800 JQ9L 9R PQ2L 2R CQ10 0504 000122 TR DIGITAL KSR1009Y NPN 300MW 4 7K 12159 301 790 CQ1 JQ4 5 6 AQ101 PQ1 0504 001003 TR DIGITAL KSR2003 PNP 300MW 22K 22 RQ3 ZIC1 BIC2 1201 000192 IC OP AMP 4558 SIP 9P DUAL 20V MV 12119 401 630 JIC1 1201 000358 IC PREAMP 22291 DIP 24P DUAL P...

Страница 33: ... AA TP 1 8X3 11018 877 473 SR45 46 2001 000793 R CARBON 47OHM 5 1 8W AA TP 1 8X3 11018 877 470 FR001 JR1L 1R 8 21 CR18 2001 000802 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X BR2 8L 8R 13 IR6 12L 12R LR1L 1R 2L 2R SR31 33 FR18 AR104L 104R 2001 000857 R CARBON 560OHM 5 1 8W AA TP 1 8X3 11018 877 561 JR2L 2R IR9 CR5 2001 000890 R CARBON 6 8KOHM 5 1 8W AA TP 1 8X 11018 877 682 HR5 ZR11 2001 000924 R CARBON 68...

Страница 34: ... 6X7X3 2MM 5 IC29L 29R 2301 000385 C FILM PEF 12NF 10 50V 6 5X8 5X3 2 JC4L 4R 2301 000390 C FILM PEF 15NF 10 50V 6 5X9X3 5MM JC5L 5R 11L 11R 2301 000393 C FILM PEF 18NF 10 50V 6 5X12 5X3 LC2 2301 000400 C FILM PEF 1NF 10 50V 5X7X2 8MM 5M BC15L 15R 2301 000407 C FILM PEF 2 7NF 10 50V 5 5X7X3MM JC18L 18R 2301 000428 C FILM PEF 3 9NF 5 50V 5 5X12X3 3M 11505 713 392 IC21 22 2301 000430 C FILM PEF 33NF...

Страница 35: ...5 FILTER CERAMIC BP 10 7MHZ 25KHZ 14529 301 753 ICF5 2903 000148 FILTER CERAMIC BP 450KHZ 1KHZ A1243 0049 MCW2 3710 001045 CONNECTOR SOCKET 22P 1R 1 25MM ANGL JCW501 3711 000588 CONNECTOR HEADER BOX 10P 1R 2 5MM S 13349 103 103 JCW301 3711 000903 CONNECTOR HEADER BOX 3P 1R 2 5MM ST 13349 527 502 JCW401 3711 003110 CONNECTOR HEADER BOX 4P 1R 2 5MM ST AJ1 3716 000209 TERMINAL BLOCK 60V 7A 13303 500 ...

Страница 36: ... C CERAMIC MLC AXIAL 1NF 10 50V Y5P 11449 518 102 MC7 20 2202 000809 C CERAMIC MLC AXIAL 3 3NF 20 16V Y 11447 619 332 MC18 2401 000240 C AL 100UF 20 10V GP 6 11MM 5MM TP 11608 102 104 MC4 15 2401 000419 C AL 10UF 20 16V GP 5X11 5 MC50 2401 001355 C AL 470UF 20 10V GP 8X11 5 5MM MC3 16 36 2401 001465 C AL 47UF 20 10V GP 5 11 2MM 11608 102 473 MC9 2401 001895 C AL 100UF 20 16V GP 6 3X11MM 2 5M MC5 6...

Страница 37: ... 000327 IC POWER AMP 4121 SIP 18P PLA 12119 208 500 RR13 14 2001 000020 R CARBON S 22OHM 5 1 2W AA TP 2 4 11018 377 220 RR2 2001 000062 R CARBON 470OHM 5 1 4W AA TP 2 4X6 11018 277 471 AR125L 125R 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X 11018 877 222 ZR3L 3R 2001 000515 R CARBON 220OHM 5 1 8W AA TP 1 8X3 11018 877 221 RR11 12 2001 000611 R CARBON 3 9KOHM 5 1 4W AA TP 2 4X 11018 277 392 RR10...

Страница 38: ...E S 47OHM 5 2W AA TP 11048 577 470 FFC1 2401 000871 C AL 220UF 20 50V GP 10X16MM 5MM 11609 402 300 RC2 3 2401 001067 C AL 3300UF 20 42V GP 18 35 5 7 5M 11609 116 332 BC20 2401 001975 C AL 47UF 20 16V GP 5X11MM 5 TP RC7 2401 003116 C AL 4700UF 20 35V 18X35 5 7 5 B FFCW3 3711 000820 CONNECTOR HEADER BOX 2P 1R 2 5MM ST 13349 512 561 PCW1 3711 001137 CONNECTOR HEADER BOX 8P 1R 2MM STRA 13349 119 080 P...

Страница 39: ...UR98 2001 000405 R CARBON 180OHM 5 1 8W AA TP 1 8X3 UR24 25 34 35 79 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 11018 877 102 UR15 16 17 18 106 UR1 11 12 13 14 28 38 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X 11018 877 222 UR69 70 99 107 108 109 UR110 111 112 113 105 UR19 20 100 101 102 UR103 104 UR29 39 2001 000472 R CARBON 2 7KOHM 5 1 8W AA TP 1 8X 11018 877 272 UR3 2001 000508 R CARBON 2...

Страница 40: ...NG 1N4148 100V 200MA 5 UCW2 OPTION 3711 003097 CONNECTOR HEADER NOWALL 10P 1R 1 25 AH90 10649B ASS Y PCB POWER MAX445 RD2 0402 000127 DIODE RECTIFIER 1N4002 100V 1A DO 4 A4104 0053 RR15 2008 000001 R FUSIBLE 1OHM 5 1 4W AA TP 2 6X6 11058 277 109 PSC1 2 2201 000520 C CERAMIC DISC 4 7NF 80 20 400VAC 11469 501 070 RC4 2401 002168 C AL 100UF 0 2 50V GP 10X12 5 5MM T RF3 3601 000248 FUSE FERRULE 250V 2...

Страница 41: ... RCW1 3711 000586 CONNECTOR HEADER BOX 10P 1R 2 5MM A A6010 0388 RCW2 3711 000814 CONNECTOR HEADER BOX 2P 1R 2 5MM AN 13349 511 573 PL1 2 AH27 10001F COIL CHOKE 27UH K Q30 DR 6 5 7 12429 010 330 RF2 OPTION 3601 000248 FUSE FERRULE 250V 2A TIME LAG GLASS RF1 OPTION 3601 000207 FUSE FERRULE 250V 1A TIME LAG GLASS 14709 241 200 RF1 OPTION 3602 000147 FUSE CLIP 250V 7 5A 30MOHM 13164 101 913 P T OPTIO...

Страница 42: ... NR101 2007 000593 R CHIP 22OHM 5 1 10W DA TP 2012 11119 101 220 NR43L 43R 200 2007 000653 R CHIP 27KOHM 5 1 10W DA TP 2012 11119 101 273 NR201 202 2007 000686 R CHIP 3 3KOHM 5 1 10W DA TP 2012 11119 101 332 NR105 2007 000830 R CHIP 39KOHM 5 1 10W DA TP 2012 11119 101 393 NR44L 44R 46L 46R 2007 000872 R CHIP 4 7KOHM 5 1 10W DA TP 2012 11119 101 472 NR117 2007 000898 R CHIP 430KOHM 5 1 10W DA TP 20...

Страница 43: ...00412 CONNECTOR FPC FC PIC 12P 1 25MM ANG A6010 1526 NCW101 3711 001136 CONNECTOR HEADER BOX 8P 1R 2MM ANGL 13349 139 080 NIC05 AC14 12001G IC KA78L05 T AH62 30047A HEAT SINK ETHD T0 5 MAX 555 11124 0061 00 AH90 10719E ASSY PCB G3A8 3VI C NEW SZD1 0403 000352 DIODE ZENER UZ4 7BM 4 7V 4 4 5 0V 5 12169 403 200 SZD2 0403 000361 DIODE ZENER UZ6 2BSB 6 2V 5 99 6 24 12169 404 800 SIC1 2 1003 000298 IC M...

Страница 44: ......

Страница 45: ...9 1 Samsung Electronics 9 Block Diagrams 9 1 Main AIC101 AIC101 STK 4141 40W STK 4121 20W OPTION LC866224 5D66 UIC1 BIC1 SIC1 JIC1 MIC1 MIC2 EIC1 IIC1 HIC1 UIC3 UIC2 ...

Страница 46: ... 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 KA9220 NIC 9220 SCW1 SCW4 KA9270 NIC...

Страница 47: ... G11 G12 G13 G14 G15 G16 5 6V 30V S1 O O I I O I O O I O O I I O I I O I I I I I I I I I I I I I O O O O O O O O O O O O O O O O O O MIC ON OFF MUTE SD SD LED POWER CONTROL H DUBBING IN TAPE LC72131 TDA7318 M65846 M65840 LC72131 TDA7318 M65840 M65846 LC72131 DATA INPUT LC72131 PLL CE TEST PIN RESET INPUT SUB OSC 32 768KHz SUB OSC 32 768KHz GND OSC INPUT 12MHz OSC OUTPUT POWER A D KEY INPUT 1 A D K...

Страница 48: ...VDD V LATCH OPEN CLOSE CE 23 CE 22 DISC1 SYNC CE 21 DO 2 CLK 2 O O O O O O O O O O O O O O O I I I I O O O O O I O O O O O O I O I I I I I O O O O O O O I O O O VFD CONTROL TUNER CD VIDEO CD V10 UP DOWN SW FOCUS OK GFS DSP SSP CONTROL LATCH DSP SSP CONTROL DATA DSP SSP CONTROL CLOCK DOWN MOTOR UP MOTOR SUBQ DATA SUBQ RECEIVE CLOCK DSP MUTE OPEN MOTOR CLOSE MOTOR ROULETTE MOTOR ROULETTE MOTOR SENSE...

Страница 49: ...CK LED JOG SRS ON OFF H ON T CTRL H OUT AUX TUNER TAPE CD No Name Description NJU3713 UIC3 ECHO KEY CON OPTION P5 P6 P7 P8 VSS P9 P10 P11 P12 DATA CLK STB CLR P1 P2 P3 P4 VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 LED VOICE CANCEL LED b LED LED ECHO ON OFF SW B C M62453 SW A M62453 ECHO CE RESET DOUBLE EMPHA SEL3 No Name Description Samsung Electronics 9 5 Block Diagrams ...

Страница 50: ...1 23 24 1 9 8 7 25 26 2 27 28 3 18 17 CLOCK RAM LOGIC D A1 D A2 LPF2 LPF1 LPF1IN LPF1OUT ADINTIN ADINTOUT ADCONT STROBE CLOCK DATA DA1NTIN DA1INTOUT DA1CCNT DA2INTIN DA2INTOUT DA2CONT LPF2IN LPF2OUT HPFIN HPFOUT TEST1 TEST2 TEST3 XIN XOUT Vcc GND MIXIN MIXOUT MIX HPF A D BA3950 RIC1 M65840 EIC1 OPTION KEY CON Block Diagrams 9 6 Samsung Electronics 9 4 IC TR Internal Diagrams ...

Страница 51: ...ller Circuit Shift Register Latch Circuit 1 14 2 13 3 12 4 11 5 10 6 9 7 8 CONT3 Vss CONT2 IN OUT2 OUT IN2 OUT IN1 IN OUT1 VDD CONT1 CONT4 IN OUT4 OUT IN4 OUT IN3 IN OUT3 NJU3713 UIC2 UIC3 OPTION MC14066 SIC3 Block Diagrams Samsung Electronics 9 7 ...

Страница 52: ...T 1 REC GND Vcc Vcc PBOUT 2 100K PRE INPUT N F ALC DET PRE N F INPUT REC NF 2 REC IN 2 REC IN 1 REC IN 1 100K ALC TIME CONSTANT R P SW A IN B IN A B SELECT S W A IN B IN 3 5 6 8 9 101314 4 15 16 1 2 TR4 TR5 TR6 C1 R2 TR1 TR2 TR3 D1 R1 7 R9 R8 TR12 TR13 R10 TR16 R12 17 18 TR14 TR15 R11 C2 TR19 TR18 TR17 TR21 R14 TR20 D3 TR23 R16 TR24 TR11 R7 TR10 D2 R6 TR8 R5 TR7 R3 TR9 TR22 R15 12 11 KA22291 JIC1 ...

Страница 53: ...witch Control 100K 2 16K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 29 29 28 27 26 25 24 23 22 21 20 19 18 17 16 ALC DUFF AM OSC AM MIX AM RF AMF AGC AM DET AM IF SMFT LEVEL DET FM IF FM DET REG GND TUNING DRIVE S CURVE AM FM IF BUFF COMP VCC AM FM SW VCC PHASE DET PILOT DET FF FF FF STEREO DRIVE TRIG MUTE STERO SW DECODER PM AM M62453SP MIC1 MIC OPTION LA1836 IIC1 Block Diagrams Samsung Electronics 9 9 ...

Страница 54: ... SPKR ATT MUTE INPUT SELECTOR GAIN R8 R8 B OUT R B IN R TREBLE R OUT LEFT REAR RIGHT REAR OUT RIGHT FRONT OUT SCL SDA DIGGND LEFT FRONT OUT BUS TDA7318 BIC1 M65846FP MIC2 ECHO OPTION Block Diagrams 9 10 Samsung Electronics 32 1 31 2 30 3 29 4 28 5 27 6 26 7 25 8 24 9 23 10 22 11 21 12 20 13 19 14 18 15 17 16 C L K L P F A D L O G I C SFB SW MODE SEL SU EC SU EC MODE SEL PHASE SEL V O L 16kSRAM L P...

Страница 55: ...DE EMPHA CONTROL INPUT DE EMPHA CTL DE EMPHA OUT1 DE EMPHA IN1 BUFFER OUT1 INPUT1 1 2Vcc AMP Vcc DE AMP2 DE AMP1 BUFFER2 BUFFER1 MUTE SW DE EM SW 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 6 7 8 9 10 11 12 13 14 LEVEL SHIFT LEVEL SHIFT BUY 10K 10K REGULATOR 10K MUTE 50K 50K 10K LEVEL SHIFT LEVEL SHIFT 10K BUY T S D 10K BUY 5 LB1641 BA6209 MOTOR DRIVER SIC1 SIC2 SIC3 NIC1641 KA9270 NIC9270 K...

Страница 56: ...LEI SLSTP N C CPH CBH PFSET ISTAT N C AVEE S TRCNT DIRC RESET MDAT MLT MCK DVEE S AASC EFMO BPF APDI ISET LFR FSW HF GO 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 COMPA...

Страница 57: ...CHOUT 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 SQCK SQEN FRAME SYNC DETECTOR PROTECTOR INSERTOR INTERPOLATE...

Страница 58: ...10 PCB Diagrams 10 1 Main 10 1 Samsung Electronics ...

Страница 59: ...Samsung Electronics 10 2 PCB Diagrams ...

Страница 60: ...10 3 Samsung Electronics PCB Diagrams 10 2 Front ...

Страница 61: ...Samsung Electronics 10 4 PCB Diagrams 10 3 Only MAX 445 Power 10 4 Only MAX 455 Power ...

Страница 62: ...10 5 Samsung Electronics 10 5 CD 10 5 1 Top View 10 5 2 Bottom View PCB Diagrams ...

Страница 63: ...Samsung Electronics 10 6 10 5 3 CD SUB PCB Diagrams ...

Страница 64: ...Samsung Electronics 10 4 PCB Diagrams 10 3 Only MAX 445 Power 10 4 Only MAX 455 Power ...

Страница 65: ...12 1 Samsung Electronics 12 Schematic Diagrams 12 1 Main MIC1 BIC1 MIC2 EIC1 AIC102 AIC101 SIC2 RIC1 ZIC1 ZIC1 ...

Страница 66: ...Samsung Electronics 12 2 12 2 Front Schematic Diagrams ...

Страница 67: ...FIC01 NIC9282 NIC9220 NIC9258 NIC1641 SIC2 SIC1 LB1641 NIC9270 12 3 CD 12 3 Samsung Electronics Schematic Diagrams 1 1 3 3 2 2 ...

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