Samsung MAX-810 Скачать руководство пользователя страница 22 | Manualshive

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Special Circuit Descriptions

Samsung Electronics

5-5

5-1-9 AGC Stability Circuit

5-1-10 Post Filter

5-1-11 Center Voltage Generation Circuit

The gain is adjusted by AGC Block with the function of maintainning the definite RF peak to peak level,
after the operation of RF envelop detection and comparing with reference voltage.
RFO level is kept stable in 1Vp-p, and input to EFM Slice.

The adjustment of audio output gain and the integration of possible de-emphasis output are executed by
the low pass filter. If the control by MUTE signal from micom exist, and when input signal absent, two
channel of right and left is builted in.

The Center Voltage is generated by using resistor dividing voltage.

75

78

76

IRF

CAGC

ARF

EQUALIZE

VCA

25K

CH2O

GC2O

GC1O

CH1O

25K

CH2I

GC2I

GC1I

GC1I

MUTEI (From Micom)

+

-

+

-

+

-

+

-

+

-

12

10

15

13

19

30K

VC

30K

+

-

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Содержание MAX-810

Страница 1: ...PONENT CONTENTS 1 Precautions 2 Specifications 3 Disassembly and Reassembly 4 Alignment and Adjustments 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 ...

Страница 2: ...ELECTRONICS Samsung Electronics Co Ltd Oct 1997 Printed in Korea Code no AH68 20173A ...

Страница 3: ...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 4: ...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 5: ...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 6: ...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 7: ...rejection ratio Total harmonic distortion Frequency range WOW FLUTTER Erasing effect Signal to noise ratio Total harmonic distortion Frequency response Signal to noise ratio Channel separation Total harmonic distortion Audio Output 125Hz 8KHz 6dB 0 15 60 dB 45 dB 2 5 20Hz 20KHz 1dB 90 dB 1kHz 75 dB 1kHz 0 1 100Hz 0 05 1kHz 0 2 10kHz 1V 1kHz 0dB Frequency range Usable sensitivity Signal to noise ra...

Страница 8: ...Remote Control ...

Страница 9: ...3 Disassembly 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 Figure 3 1 Samsung Electronics 3 1 ...

Страница 10: ...nd Reassembly 2 TRAY 1 4 5 4 1 After power is connected Turn power on Open the tray using the open close key 2 After power is not connected Turn the Gear clockwise using the hand as shown in figure 3 2 1 Pull the Tray in the direction of arrow 3 Remove 4 screws and lift the CD Mecha ...

Страница 11: ...et Rear and slide it to rear to remove see arrow 2 Remove the Main PCB 1 Remove 3 screws 2 Remove the Cabinet Rear by pushing the ÒAÓ and ÒBÓ as shown 7 6 5 8 A B Figure 3 3 Figure 3 4 3 4 Cabinet Front and Cabinet Bottom Samsung Electronics 3 3 Disassembly and Reassembly ...

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

Страница 13: ...e 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 ...

Страница 14: ...stall in reverse order Align the Gear Cam with the Gear Tray as shown ing Figure 3 6 then mount the Tray Disc When assembling the Tray Disc take extreme care not to engage with Gear Synchro Gear Cam Gear Cam Gear Cam Gear Cam Timming Point Gear Cam Gear Synchro Gear Disc Insert ...

Страница 15: ...the Spring 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 16: ...f FLT is lighted Figure 4 2 4Gain 20dB CE standard Figure4 2 FM Auto Search Level Adjustment Figure4 3 AM I F Adjustment Figure4 1 IF CENTER and THD Adjustment SSG FREQ Adjustment point IVR1 98 MHz BEACON SENSITIVITY SEMI VR 5KΩ FM SSG OUTPUT AM SSG 450KHZ INPUT AM ANT IN Speaker Terminal 60cm IFT1 VTVM Oscilloscope GND 30 dB FM SSG Output GND Speaker Terminal FM Antenna Terminal Distortion Meter ...

Страница 17: ... Control Azimuth 1 MTT 111CN 8KHZ Fig 4 6 Output Maximum Remark Standard Figure Location no Item Step Tape HEAD L R Unbalance 1 2 MTT 112B 1KHZ MTT 5512 3000 30KHZ Fig 4 5 Fig 4 5 VTVM A DECK 85KHZ 1KHZ JR30 Remark Frequency Range Figure Location no Item Step Tape JVR3R JL3 Record Frequency TP3 Cassette Deck Speaker Terminal output LINE OUT Frequency Counter Figure 4 4 Figure 4 6 Recording Play he...

Страница 18: ...mp and they are added to RF summing Amp The photo diode A B C D signal which is I V changed is outputted by RFO pin74 At this pin the eye pattern can be checked The output of the focus error amp is the difference between RF I V AMP 1 output Va and RF I V AMP 2 output Vb just is the Photo Diode A C B D signal which is I V changed The focus error bias voltage applied to the of focus error amp can be...

Страница 19: ...ying the gain of E I V AMP and the tracking gain Pin TE1 can be adjusted automatically by micom program Extracting the DC part of RFI and RFO and comparing with the basic DC level if RF Level is more than basic level the FOK is output The focus OK circuit generates a timing window of focus on to monitor the focus search status of focus serve 79 68 67 F E EI TGFI BAL 4 0 GAIN 3 0 from Digital TGL T...

Страница 20: ...al between track on disc ÒHÓ when the defect beyond 1 4ms is detected The time constant for the mirror hold must be sufficiently large than of the traverse signal The EFM comparator converts a RF signal into a binary signal As the asymmertry due to variations in disc manufacturing can not be eilminated by thr AC coupling alone the reference voltage of EFM comparator is controlled utilizing the fac...

Страница 21: ... capacitor coupling and shifting the level both signals are compared to generate the mirror defect detection signal As the laser diode has large negative temperature characteristic in its optical output when driven with a constant current on laser diode Therefore the output on processing monitor photo diode must be a controlled current for getting regularly output power thus the APC Auto Power Con...

Страница 22: ...eference voltage RFO level is kept stable in 1Vp p and input to EFM Slice The adjustment of audio output gain and the integration of possible de emphasis output are executed by the low pass filter If the control by MUTE signal from micom exist and when input signal absent two channel of right and left is builted in The Center Voltage is generated by using resistor dividing voltage 75 78 76 IRF CAG...

Страница 23: ...op During detection of defect the tracking error signal is output through the tracking servo loop after through the low pass filter formed by connecting a capacitor 0 1µF and a built in 470K resistor to the TDFCT pin pin57 in case of tracking phase compensation The value of tracking gain up down can be controlled by TGU and TG2 pin The peak frequency of tracking loop phase compensation the dynamic...

Страница 24: ...nthening the filter further The characteristics of high frequency phase compensation in focus tracking servo and the characteristics of cut off frequecny in CLV low pass filter are test by FSET pin The moving of pick up is controlled by tracking servo output through low pass filter The sled kick voltage is output for track jump operation 43 42 44 TM6 TM2 SL SL SLO PS 4 3 0 X1 0 0 X2 1 1 X3 0 1 X4 ...

Страница 25: ...Hz oscillate FRONT PCB PWR SENS voltage normal pin no 27 5V Check the Main PCB RIC1 pin no 10 15V 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 Samsung Electronics 6 1 6 Troubleshooting 6 1 Amplifier 6 1 1 Power Malfunction ...

Страница 26: ...ace Headphone jack soldering condition Main PCB AIC1 STK4121 4141 4181 Option pin no 9 11 12 14 B B circuits Check the B power source part in RD2 PBL403 RC3 4 and RIC1 Yes Confirm for TR short replace it Check if the output line is short No No No No Yes Yes AJ2 6 2 Samsung Electronics Troubleshooting ...

Страница 27: ... 20 LPF1 2 output ok Check BIC1 TDA7439 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 volt...

Страница 28: ... 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 RR7 30V Reinsert the connector Replace UIC1 6 4 Samsung Electronics Troubleshooting ...

Страница 29: ... L Check for voltage at JL3 Osc Frequency 85kHz When inoperative LQ3 check Convert of P B R P Signal Oscillate RECORD BIAS 85kHz Convert of PLAY RECORD R P Switching Check for voltage at pin no 16 8 TAPE IC JIC1 KA22291 BIAS OSC Mode Rec PLAY pin no 16 8 12V 9V Samsung Electronics 6 5 Troubleshooting ...

Страница 30: ...es Is Roulette 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 NIC9223 or NIC9258 Yes POWER ON Check UP DOWN MOTOR Replace NIC9286 Check NIC9286 pin73 voltage during Focus Search 5V No Yes Yes No No Yes Yes No No Yes 6 6 Samsung Electronics Troubleshooting ...

Страница 31: ...C05 5V No Check waveform of NIC9223 pin no 12 13 Check NIC9223 soldering Check waveform of NC55R L Replace NIC9223 Check NIC9223 soldering Yes Replace NIC05 Check Amp Malfunction of Audio Output Yes Yes Yes No No Samsung Electronics 6 7 Troubleshooting ...

Страница 32: ...Y REEL GEAR ASS Y ARM SENSOR PAUSE LOCK ARM ADR2006FW 11134 01280AA 51299 02506XC ADR28 010 ADR26 001 ADR02 042 ADR15 021 ADR15 022 EG530YD2B ADR22 012 11128 00045AA 11102 00530AA 11116 00011A No Code No Description Specification Remarks 13 14 15 16 17 18 19 20 21 22 23 24 25 26 AH81 10025P AH81 10026B AH81 10026W AH81 10026W AH81 10025Q AH81 10025R AH81 10025S AH81 10025T AH81 10026U AH81 10022E ...

Страница 33: ... DECK CASSETTE LEAF SWITCH PINCH ROLLER ASS Y SENSOR LEVER R F PULLEY ASS Y BELT FLYWHEEL ASS Y FLYWHEEL ASS Y CAM GEAR S REEL ASS Y T REEL ASS Y BELT EJECT LEVER R P HEAD ERASE HEAD MOTOR REC SAFETY LEVER YN21ZSW 70 8521 200060 300 6021 200213 001 8521 200090 300 6600 090020 001 8521 200110 001 8521 200110 300 8521 200030 300 6021 200802 001 8521 200080 300 8521 200070 300 6600 090013 000 6021 20...

Страница 34: ...ECK ASS Y PAUSE LEVER PAUSE LEVER PAUSE STOPPER LEAF SWITCH PINCH ROLLER ARM ASS Y SENSOR RF CLUCH ASS Y RF BLET FLYWHEEL ASS Y CAM GEAR FF GEAR SUPPLY REEL ASS Y TAKE UP REEL ASS Y EJECT SLIDE LEVER PACK SPRING MAIN BELT MOTOR R P HEAD P B 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 A...

Страница 35: ...43 30 Option 7 2 Main Exploded View and Parts List 7 2 1 Exploded View Exploded Views and Parts List 7 4 Samsung Electronics ...

Страница 36: ...43J AH64 40441B AH64 70003B AH64 11237B AH64 11239B AH64 11239C AH69 20031A AH64 30419H AH64 30419J AH61 60129B AH61 80030A AH64 11233B AH64 11233A AH64 11232C AH64 11232B AH64 11235B AH64 11234B AH64 11236A AH64 11244P AH64 11244J AH64 11243C AH64 11243B AH64 11244N AH64 11244H AH64 11244M AH64 11244G AH64 11244L AH64 11244F AH64 11244K AH64 11244E AH64 11245B AH64 11245C AH64 11244N AH64 11244H ...

Страница 37: ...66 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 ASS 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 M90 4...

Страница 38: ... 10014A DECK CD 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...

Страница 39: ...8 0401 000101 DIODE SWITCHING 1N4148 100V 200MA 500MW UD19 0401 000101 DIODE SWITCHING 1N4148 100V 200MA 500MW UD20 0402 000127 DIODE RECTIFIER 1N4002 100V 1A DO 41 UD21 0401 000101 DIODE SWITCHING 1N4148 100V 200MA 500MW UD30 0401 000101 DIODE SWITCHING 1N4148 100V 200MA 500MW UIC2 1201 000163 IC OP AMP 4560 SOP 8P 150MIL DUAL 100V M ULD1 0601 000141 LED ROUND GRN 3 1MM 555NM ULD2 0601 000141 LED...

Страница 40: ...4 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM S USW10 3404 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM S USW11 3404 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM S USW12 3404 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM S USW13 3404 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM S USW14 3404 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM S USW15 3404 000165 SWITCH TACT 12V 50MA 160GF 50GF 6X6MM S USW...

Страница 41: ...ON S 470OHM 5 1 2W AA TP 2 4X6 4 AR11R 2001 000109 R CARBON S 470OHM 5 1 2W AA TP 2 4X6 4 AR12 2001 001088 R CARBON S 1KOHM 5 1 2W AA TP 2 4X6 4M AR16 2008 000121 R FUSIBLE 100OHM 5 1 4W AA TP 2 6X6 7MM AR17 2001 001088 R CARBON S 1KOHM 5 1 2W AA TP 2 4X6 4M AR18 2001 001088 R CARBON S 1KOHM 5 1 2W AA TP 2 4X6 4M AR19 2008 000121 R FUSIBLE 100OHM 5 1 4W AA TP 2 6X6 7MM AR1L 2001 000858 R CARBON 56...

Страница 42: ...A TP 1 8X3 2MM FR6 2001 000005 R CARBON 390OHM 5 1 8W AA TP 1 8X3 2MM FR7 2001 000472 R CARBON 2 7KOHM 5 1 8W AA TP 1 8X3 2M FR8 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 2MM FR9 2001 000515 R CARBON 220OHM 5 1 8W AA TP 1 8X3 2MM HC1 2201 000247 C CERAMIC DISC 15pF 5 50V CH TP 5x3 5 HC10 2201 000300 C CERAMIC DISC 1NF 20 50V Y5T TP 5X3 5 HC11 2301 000410 C FILM PEF 220NF 10 50V HC2 2201 000423...

Страница 43: ...LM PEF 10NF 10 50V TP 6X7X3 2MM 5MM JC31 2401 000240 C AL 100UF 20 10V GP TP 6X11MM 5MM JC32 2202 000807 C CERAMIC MLC AXIAL 22NF 80 20 25V Y5V JC33 2401 000303 C AL 100UF 20 25V GP TP 6 3X11 2 5 JC35 2202 000780 C CERAMIC MLC AXIAL 100NF 80 20 50V Y5 JC36 2401 001912 C AL 1UF 20 50V GP BK 5X11MM 2MM JC38 2202 000807 C CERAMIC MLC AXIAL 22NF 80 20 25V Y5V JC3L 2301 000475 C FILM PEF 8 2NF 5 50V TP...

Страница 44: ...P 1 8X3 2MM JR6R 2001 000527 R CARBON 22OHM 5 1 8W AA TP 1 8X3 2MM JR8L 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M JR8R 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M JR9L 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M JR9R 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X3 2M JVR1 2103 000341 VR SEMI 2KOHM 30 1 10W TOP JVR3 2103 000171 VR SEMI 10KOHM 30 1 10W TOP JZD1 0403 000374 DIO...

Страница 45: ... 25PF 50V SL TP 2012 NC201 2203 001551 C CERAMIC CHIP 1 5NF 10 50V X7R TP 2012 NC202 2203 001619 C CERAMIC CHIP 27PF 5 50V NPO TP 2012 2 NC203 2203 001619 C CERAMIC CHIP 27PF 5 50V NPO TP 2012 2 NC204 2203 000919 C CERAMIC CHIP 470nF 80 20 16V Y5V TP NC205 2203 000260 C CERAMIC CHIP 10nF 10 50V X7R TP 2012 NC300 2203 001537 C CERAMIC CHIP 1NF 10 50V X7R TP 2012 NC301 2203 000477 C CERAMIC CHIP 1UF...

Страница 46: ...TP 2012 NR119 2007 000395 R CHIP 150Kohm 5 1 10W DA TP 2012 NR120 2007 000355 R CHIP 12Kohm 5 1 10W DA TP 2012 NR121 2007 000355 R CHIP 12Kohm 5 1 10W DA TP 2012 NR200 2007 000653 R CHIP 27Kohm 5 1 10W DA TP 2012 NR201 2007 000686 R CHIP 3 3Kohm 5 1 10W DA TP 2012 NR202 2007 000686 R CHIP 3 3Kohm 5 1 10W DA TP 2012 NR203 2007 000282 R CHIP 100Kohm 5 1 10W DA TP 2012 NR204 2007 000355 R CHIP 12Kohm...

Страница 47: ...9 Block Diagrams 9 1 Main HIC1 LC72131 UIC5 M65846 JIC1 KA22291 BIC1 TDA7439 IIC1 LA1836 RIC1 BA3950 AIC1 1 2 STK4141 40W 1 2 AIC1 Samsung Electronics 9 1 ...

Страница 48: ...ONTROL 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 RESET LOCK SMEF WDCH SMON SMSD SL IN SP IN TE IN EF IN VREF SL SL MOTOR ACTUATOR DRIVER 6 ASSP KB9223 NIC 9223 SCW1 SCW4 SIC1 SIC2 SIC3 DIGITAL SIGNAL PROCESSOR 16 9344MHz 66 69 8 EFM TRCNT LB...

Страница 49: ...15 20 REF REF 22 21 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 M65840 EIC1 OPTION KEY CON BA3950 RIC1 9 3 1 Main 9 3 IC TR Internal Diagrams Block Diagrams ...

Страница 50: ... 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 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...

Страница 51: ... R BOUT R CREF UN R R R 17 18 20 19 20 21 22 2 4 3 5 30 1 29 6 AGND R OUT L OUT DIGGND SDA SCL SPKR ATT LEFT I CBUS DECDER LATCHES 2 VOLUME TREBLE MIDDLE BASS SPKR ATT RIGHT Verf V3 VOLUME TREBLE MIDDLE BASS 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 F D A 6 1 2Vcc...

Страница 52: ... 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 KA9258 NIC9258 LB1641 BA6209 MOTOR DRIVER SIC1 SIC2 SIC3 NIC1641 9 3 2 CD 9 6 Samsung Electronics Block Diagrams TR 1 E NOTE KSB564 EBC TYPE C B 2 3 KSR1003 A928 ...

Страница 53: ... CDROM TEST1 DATX RCHOUT LCHOUT S0S1 SBCK SDAT SUBCODE SYNC DETECTOR SUBCODE OUTPUT SUBCODE Q REGISTER EFM PHASE DETECTOR FRAME SYNC DETECTOR PROTECTOR INSERTOR EFM DEMODULATOR SQDT SQCK DIGITAL PLL DIGITAL CLV SERVO 23BIT SHIFT REGISTER X TAL TIMING GENERATOR CPU INTERFACE TRACK COUNTER MODE SELECTOR DIGITAL OUTPUT ADDRESS GENERATOR 16K SRAM ECC INTERPOLATOR DIGITAL FILTER DE EMPH D A CONVERTER 8...

Страница 54: ...0 CH11 MUTEI RRC CH20 CH21 GC21 GC20 DCC1 RFO PD1 PD2 F E EI PD LD VR ARF IRF ASY EFM RFI DCB Focus Error Amp FE BIAS Adjustment Tracking Error Amp E F Balance Gain Control APC Amp Center Voltage Amp RF Level AGC Equalizer EFM Comparator Defect Dectection Circuit Micom Data Interface Logic MICOM TO SERVO CONTROL AUTO SEQUENCER ADJUSTMENT FREE CONTROL FS1 to FS4 TM to TM6 BAL1 to BAL5 PS1 to PS4 GA...

Страница 55: ...72131 DATA INPUT LC72131 PLL CE TEST PIN RESET PORT SUB OSC CLOCK 32 768kHz SUB OSC CLOCK 32 768kHz GROUND MAIN OSC INPUT 12MHZ MAIN OSC OUTPUT 12MHZ MAIN POWER INPUT PORT 5V A D KEY INPUT1 A D KEY INPUT2 TAPE KEY OPTION MIC SENSE VOLUME UP TUNET SD LEVEL A LEVEL B POWER SENS CD TRAY SENS SCOR INTERRUPT REMOCON INPUT TAPE REC B EMPHA V CD or SW1 GRID CONTROL PORT OF FLT GRID CONTROL PORT OF FLT GR...

Страница 56: ...ENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT SEGMENT CONTROL PORT OF FLT TUNER CD VID...

Страница 57: ... The output pin for post filter channel1 The input pin for post filter channel1 Amplifier output pin for gain and low pass filtering of DAC output CH1 Amplifier negative input pin for gain and low pass filtering of DAC output CH1 The pin for noise reduction of post filter bias VSS for post filter The input pin for post filter muting control The input pin for current setting of focus search track j...

Страница 58: ...mplifier output pin The input pin of tracking error low pass filtering signal The power supply pin for logic circuit The capacitor connectiong pin for tracking defect compensation Focus servo input pin Focus error amplifier output pin The capacitor connection pin for focus defect compensation The capacitor connection pin for high frequency tracking gain switch The pin for high frequency gain chang...

Страница 59: ...lot 2 1168MHz 4 2336MHz when ESP ON C2 Pointer for output audio data Input terminal2 of reference voltage L Floating Input terminal2 of reference voltage L GND connection Analog VCC2 Right Channel audio output through D A converter Left Channel audio output through D A converter Analog ground2 Input termial1 of reference voltage H VDD connection Input termial2 of reference voltage H Floating Empha...

Страница 60: ...ame sync RA7 Frame sync protection state RA8 Display of either RAM overflow or underflow for 4 frame jitter margin RA9 Only monitoring signal 4 2336MHz RA10 16 9344MHz signal output RA11 Terminal for test Terminal for test Mode Selection1 H 33 8688MHz L 16 9344MHz TEST input terminal GND connection Mode Selection2 H CD ROM L CDP TEST input terminal GND connection TEST input terminal GND connection...

Страница 61: ...10 PCB Diagrams 10 1 Main Samsung Electronics 10 1 ...

Страница 62: ...10 2 Samsung Electronics PCB Diagrams ...

Страница 63: ...10 2 Front PCB Diagrams Samsung Electronics 10 3 ...

Страница 64: ...10 3 CD PCB Diagrams 10 3 1 Main 10 4 Samsung Electronics ...

Страница 65: ...PCB Diagrams 10 3 3 SUB Samsung Electronics 10 5 ...

Страница 66: ...11 Wiring Diagram Samsung Electronics 11 1 JCW1 MCW2 RCON1 ACW2 UCW1 UCW2 UCW3 1 UCW3 RCW1 PSCW1 TO CD PCB AC CORD TO CD PCB MAIN PCB FRONT PCB POWER PCB NCW101 8 PIN NCW103 12PIN ...

Страница 67: ...IIC1 LA1836 OIC2 NJU4053B AIC1 STK4141V 1 2 AIC1 STK4141V 2 2 RIC1 BA3950 OIC1 IR3R42 BIC1 TDA7439 JIC1 KA22291 HIC1 LC72131 560 3T 12 Schematic Diagrams 12 1 Main Samsung Electronics 12 1 ...

Страница 68: ...12 2 Front Schematic Diagrams 12 2 Samsung Elctronics UIC3 BA4560F 1 2 UIC3 BA4560F 1 2 MIC2 UIC5 M65846 LC866224 UIC1 ...

Страница 69: ... 3 CD Samsung Electronics 12 3 Schematic Diagrams 1 2 NCW104 NCW100 G3X8 KB9223 KS9286 SCHEMATIC DIAGRAM NIC1641 SIC2 1 CD SIC1 LB1641 3 CD NIC9223 KB9223 ASSP NIC9286 KS9286 DSP D ACON NIC9258 KA9258 1 2 ...

Страница 70: ...2 5V 2 5V 2 5V 8V 5V 5V 0V 2 5V 2 5V 2 5V 0V 2 5V 2 5V 2 5V 8V 8V 2 5V 2 5V 2 5V 2 5V 0V 4 5V 4 5V 2 5V 8V 5V 5V 0V 2 5V 4 5V 4 5V 0V 4 5V 4 5V 2 5V 8V 8V 2 5V 2 5V 4 5V 4 5V 0V No IC Name STOP MODE STOP MODE KB9223 PLAY MODE PLAY MODE 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 5V 0V 5V 2 5V 5V 0V 5V 0V 3 8V 2 5V 5V 0V KB...

Страница 71: ... Date Running Change SUBJECT Service Guide for model employed the new speaker NO 1 2 3 4 5 6 7 8 9 Old Model Name MAX 800 MAX 810 MAX 820 MAX 830 MAX 850 R MAX 852P MAX 860 MAX 870 MAX 880 New Model Name MAX 805 MAX 818 MAX 828 MAX 838 MAX 858 R MAX 858P MAX 868 MAX 878 MAX 888 Service Manual Code No AH68 20181A AH68 20173A AH68 20186A AH68 20186A AH68 20176A AH68 20195A AH68 20176A AH68 20177A AH...

Страница 72: ...ic bass sound Especially by the dynamic range of the medium and low frequency response the noise generated through the port is reduced effectively to reproduce the clear bass sound Power PortTM is the patent of Polk Audio in U S A Samsung Electronic has the manufacturing license to produce it Right R speaker Red cable Black cable Red cable Black cable R L Left L speaker Front and rear tweeter Refl...

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