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Samsung SCM-6700 Скачать руководство пользователя страница 45

Samsung Electronics

9-9

9-4 µ-COM  (LC72362N-9265) : UIC1

Pin No.

Name

I/O

Descriptions

Functions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

Xin

TEST2

PG3SI/O

PG2/SO0

PG1/SCK

PG0

PF3/SI1

PF2/SO1

PF1/SCK1

PFO

PE3/S12

PE2/SO2

PE1/SCK2

PE0

PD3

PD2

PD1

PD0

PC3

PC2

PC1

PC0

PB3

PB2

PB1

PB0

PA3

PA2

PA1

PO0

Vdd

PQ0

PP3

PP2

PP1

PP0

PO3

PO2

PO1

PO0

I

I

I

I

I

I

I

I

I

I

O

I

I

O

O

O

O

O

O

O

O

O

O

O

O

O

I

I

I

I

-

I/O

O

O

O

O

O

O

O

O

OSC 4.5MHz

-

CLOSE SW

LCD CONTROL DATA

LCD CONTROL CLK

LCD CONTROL CE

OPEN SW

VOLUME CONTROL DATA

VOLUME CONTROL CLK

VOLUME CONTROL CE

SENSE

SQDT

SQCK

F OK

MLT

MDATA

MCK

CLOSE

OPEN 

MUTE 

RESET

LD ON 

MOTOR CONTROL 

FM MODE

IF CNT

HIGH SPEED MOTOR CTL

TAPE PLAY

TAPE REC 

LKFS 

SOSI

FUNCTION LED(TUNER)

FUNCTION LED(TAPE)

FUNCTION LED(CD)

CD CONTROL

FUNCTION LED(PHONO or

AUX)

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

LATCH for MIAN DATA

MAIN DATA

MAIN CLOCK

DOOR CLOSE CONTROL PORT

DOOR OPEN CONTROL PORT

CD MUTE CONTROL PORT

IC(SSP IC) RESET PORT

LASER DIODE ON SIGNAL

MODE KEY ON/OFF MODE : “H”,”L” CONVERSION

When SD SIGNAL is L MODE : ACTION

HIGH SPEED

CD SYNCHRO RECORDING CONTROL

INDICATE FRAME SYNCHRONIZATION STATUS

SUBCODE SYNCHRONIZATION SIGNAL

FUNCTION IND LED CONTROL PORT(TUNER)

FUNCTION IND LED CONTROL PORT(CD)

CD B+ CONTROL

FUNCTION IND LED CONTROL PORT(PHONO

of AUX)

Block Diagrams

Содержание SCM-6700

Страница 1: ... Block Diagrams 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 R...

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: ...monic distoration Frequency range Usable sensivity 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 6µV 55dB 60dB 0 5 25dB 522 1611KHz 600µV 40dB 30dB 1 146 290KHz 1200µV 35dB 125Hz 12 5KHz 0 15 50dB 40dB 2 5 20Hz 20KHz 1dB 85dB 1kHz 0dB ...

Страница 7: ...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 Samsung Electronics 3 1 Figure 3 1 ...

Страница 8: ...ette 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 3 2 Samsung Electronics 2 3 3 1 4 A A Figure 3 2 Disassembly and Reassembly ...

Страница 9: ...3 3 Cabinet Bottom and Main PCB 1 Release 3 screws 2 Remove Main PCB 1 Samsung Electronics 3 3 Figure 3 3 Disassembly and Reassembly ...

Страница 10: ... 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 remove the PCB Holder 8 Undo 4 screws from the CD Shaft 7 and remove the CD Rubber 6 and the CD Deck 3 4 Samsung Electronics Figure 3 4 1 1 3 3 5 5 6 6 8 8 9 9 10 10 17 17 18 18 19 19 20 20...

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

Страница 12: ...e 4 2 FM Antenna Terminal Speaker Terminal 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 antenna FM SSG FM SSG GND 30dB 75Ω Dummy 50Ω Dummy FM IN FM Antenna SET 50 kB SET Output GND FM Stereo Adjustment SSG FREQ 98MHz Adjustment point SEMI VR 5KB ISVR2 L CH R CH Maximum Figure 4 3 Figure 4 3 FM ...

Страница 13: ...adjustment Figure 4 4 AM Frequecny Coverage Adjustment Figure 4 5 AM Tracking Adjustment SET TP2 DC Voltmeter Input TP1 AM Signal Generator Test Loop Antenna AM Loop Antenna Jack Speaker terminal GND Oscilloscope VTVM IN OUT SET 60 cm Samsung Electronics 4 2 Alignment and Adjustments 2 3 4 5 6 7 4 1 1 Test Equipment 1 AM Standard Signal Generator S S G 400Hz 30 MOD 2 Oscilloscope 3 VTVM 4 Frequenc...

Страница 14: ...til frequency counter reads 85 0 2KHz Item Connection Preparation Tape speed normal speed adjustment Figure 4 6 Figure 4 8 3 KHz CSVR801 AZIMUTH DECK A B adjustment Maximum output and identical phase of L R channel Set the screw after adjustment Insert MTT 111 to Deck A or B Press PLAY button Insert MTT 114 to Deck A and Deck B Press PLAY button CSVR801 CCON801 ISVR2 ISVR1 IT2 OT1 OT2 OCT2 OCT4 OC...

Страница 15: ...e to Vref and terminal to TP1 2 Load and play the 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 1...

Страница 16: ...s No Yes No No Yes LCD lamp is ON Power Transistor fuse normal Pins 73 31 of UIC1 LC72362 is at 5V Connection and soldering of SCON1 FCW2 are normal Check Voltage at RIC1 Voltages at RQ1 RQ2 and RFR1 are normal Replae RQ701 Voltages at RQ702 RQ703 are normal Voltage at RQ701 is normal ...

Страница 17: ... at 1 5V 0 5 on low coverage 7 5V 0 5 on high coverage Replace FET Voltage at FET are normal 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 7V 0 5 High coverage 4...

Страница 18: ...occurs at pin3 22 or pin4 21 with volume control at mid position Noise occurs at pins1 24 Check function selector section 6 1 4 Tape Not Playing 6 1 5 Audio Output Problem No Yes Yes Yes No Speaker connections are normal all pins of AIC1 TA8207 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 Mu...

Страница 19: ...ck 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 2 CD 6 2 1 Malfunction of DISC Revolution ...

Страница 20: ...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 6 2 2 Malfunction of Audio output ...

Страница 21: ...7 101 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 No New Part No Description Specification Old Part No 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 10026U AH81 10022E AH81 10026P AH81 10026L AH81 10026H HEAD BASE M LEVER RE...

Страница 22: ...9 FRONT PCB SUB PCB CASS DECK ASS Y MAIN PCB LCD POWER CORD POWER PCB 36 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 35 Exploded Views and Parts List 7 2 Main Exploded View and Parts List ...

Страница 23: ...0 8 GI30 BLK ABS 94HB BLK T1 5 ABS 94HB BLK SCM6700 PMMA MILKEY SCM6700 ABS 94HB BLK SCM6700 PC T0 5 WHT SCM6700 ABS 94HB WHT T1 5 SCM6700 PMMA MILKEY SCM6700 ABS 94HB BLK SCM6700 ABS 94HB BLK T1 5 SCM6700 ABS 94HB BLK T1 5 SCM6700 ABS 94HB BLK SCM6700 ABS 94HB BLK SCM6700 ABS 94HB BLK SCM6700 ABS 94HB BLK SCM6700 ABS 94HB BLK SCM6700 ABS 94HB BLK SCM6700 ABS 94HB BLK SCM6700 ABS 94HB BLK SCM6700 ...

Страница 24: ...OTOR TRAY M1 BELT PULLEY ASSY PCB LEAD CONNECTOR ASS Y MAGNET FERRITE RUBBER CD SHAFT CD SPRING CAM SWITCH LEAF MOTOR DC SWITCH DETECTOR DECK CD HOLDER PCB BASIC ABS BLK CMS M1 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 NEOPLENE T1 5 2 L78 8 BLK G3A8 51004 6P 300MM 1007 2...

Страница 25: ...HAFT 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 30MM NDM4RA3ETL 11 0MM M2X3 FE F...

Страница 26: ...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 CONNECTOR 5P SLIDE SWITCH STYLUS SCM6550 PM00010 M13000 TV PM40230 ACETAL PA40091 PM20370 M13000 TV PM40211 ACETAL PM40221 ACETAL PZ40171 STS PZ40162 STS PM4...

Страница 27: ... TR DIGITAL KSR1003 NPN 300MW 22K 22 12159 301 780 KQ403 453 402 452 JQ304 0504 000121 TR DIGITAL KSR1007 NPN 300MW 22K 47 12159 301 800 JQ354 IQ3 JQ303 AQ602 CQ809 KQ404 0504 001003 TR DIGITAL KSR2003 PNP 300MW 22K 22 OQ5 0505 000236 FET SILICIN 2SK583 N 50V 200MA 20OH 12139 601 450 AIC601 1201 000334 IC POWER AMP 8207 SIP 12P DUAL 12119 101 290 JIC1 1201 000358 IC PREAMP 22291 DIP 24P DUAL PL A4...

Страница 28: ...720 721 718 JR372 IR15 16 KR410 2001 000773 R CARBON 470KOHM 5 1 8W AA TP 1 8X 11018 877 474 PR2 2001 000780 R CARBON 470OHM 5 1 8W AA TP 1 8X3 11018 877 471 KR404 454 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 11018 877 473 JR307 357 2001 000793 R CARBON 47OHM 5 1 8W AA TP 1 8X3 11018 877 470 IR10 25 26 2001 000812 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X 11018 877 562 FR6 CR803 805 JR301 302 351 3...

Страница 29: ...QC510 560 517 567 2301 000412 C FILM PEF 22NF 10 50V 6 5X10 5X4M OC11 2301 000419 C FILM PEF 27NF 10 50V 7 5X10 5X4M IC6 2301 000422 C FILM PEF 3 3NF 10 50V 5 5X7X3MM JC308 358 2301 000433 C FILM PEF 33NF 5 50V 7 5X11X4MM 5 QC513 563 2301 000456 C FILM PEF 56NF 10 50V 8X12X4 5MM KC405 455 2301 000476 C FILM PEF 82NF 10 50V 10 5X12 5X6 11505 714 823 AC607 657 2401 000129 C AL 1000UF 20 16V GP 10X16...

Страница 30: ...DT N5002 BIAS OSC 3 7MH 12619 573 071 KLF401 451 AH26 10002Y COIL TRAP FB875 85A BIAS TRAP 35DB 12429 306 113 OL1 AH26 10003A COIL TRAP KS940228 13 MW ANT 250UH 12619 561 000 RCW1 AH39 20008Y LEAD CONNECTOR ASS Y 5264 5395 3P 2 13078 473 125 UCW901 AH39 20022G LEAD CONNECTOR ASS Y 51004 5295 8P 16439 0204 00 FEP1 AH40 10001U TUNER FE337 A05 75OHM B1290 0002 AH62 30061A HEAT SINK S AL WHT H40 AV330...

Страница 31: ...0 001036 CONNECTOR SOCKET 28P 1R 1 25MM STRA PCW1 3711 000190 CONNECTOR HEADER 1WALL 2P 1R 7 92MM 13349 156 020 PCW2 3711 000898 CONNECTOR HEADER BOX 3P 1R 2 5MM AN 13349 102 030 FCW4 3711 001011 CONNECTOR HEADER BOX 5P 1R 2 5MM ST 13349 103 053 FCW5 3809 000200 CABLE FLAT 30V 80C 300MM 16P 1 25MM B6032 0070 LAMP1 2 3 4 4713 000158 LAMP NEON 9V 75MA 0 7W TRP 3X5 3MM B4158 0043 LCD1 AH07 10035C LCD...

Страница 32: ... CHIP 22KOHM 5 1 10W DA TP 2012 11119 101 223 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 NR11...

Страница 33: ... 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 C...

Страница 34: ...Samsung Electronics 9 1 IIC1 UIC1 JIC1 AIC1 UIC2 LC72362 PLL CD MICOM 9 Block Diagrams 9 1 Main ...

Страница 35: ...10 PCB Diagrams 10 1 Main 10 1 Samsung Electronics ...

Страница 36: ...Samsung Electronics 10 2 10 2 Front PCB Diagrams ...

Страница 37: ...10 3 Samsung Electronics 10 3 CD 10 3 1 Top View 10 3 2 Bottom View PCB Diagrams ...

Страница 38: ... 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 NCW103 SCW2 NCW101 SCW1 SCW3 KA...

Страница 39: ... 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 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 ...

Страница 40: ... 30 31 32 33 34 35 36 37 38 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 L...

Страница 41: ...1 22 MONO 2 23 6f 6e COL 3 24 P 6g 6d 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...

Страница 42: ...UT 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 5 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 LB1641 BA6209 MOTOR DRIVER NIC1641 KA9270 NIC9270 KA9258 NIC925...

Страница 43: ...EST2 SLEN SLEO SLEI 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 ...

Страница 44: ...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 SQCK SQEN FRAME SYNC DETECTOR PROTECTOR INSER...

Страница 45: ...OL FM MODE IF CNT HIGH SPEED MOTOR CTL TAPE PLAY TAPE REC LKFS SOSI FUNCTION LED TUNER FUNCTION LED TAPE FUNCTION LED CD CD CONTROL FUNCTION LED PHONO or AUX 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 ...

Страница 46: ...ION INPUT OPTION INPUT 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 TUNER FUNCTION MUTE for AUDIO MUTE for TUNER FUNCTION PORT for OPTION DATA PORT for OPTION DATA PORT for OPTION DATA POR...

Страница 47: ...10 3 Samsung Electronics 10 3 CD 10 3 1 Top View 10 3 2 Bottom View PCB Diagrams ...

Страница 48: ...12 1 Samsung Electronics 12 Schematic Diagrams 12 1 Main ...

Страница 49: ...12 2 CD Samsung Electronics 12 2 1 2 3 1 2 3 Schematic Diagrams ...

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