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Samsung MM-26, Service Manual

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Samsung MM-26 Service Manual Download Page 14

6. Troubleshooting

6-1 Main

6-1-1 Power Malfunction

Samsung Electronics

6-1

Front PCB 

µ

-com VDD(5V)

normal? 

UIC1 pin no. 9,36,37

Replace RIC1

Main PCB RIC1(BA3950) IN: 20V

Input voltage normal?

Yes

Check the Power PCB; 
RF4 (T3.15 AL 250V)

Yes

Front PCB 

Does UX1(4.5MHz) 

oscillate ?

FRONT PCB POSNS

voltage normal ?

(pin no. 13 ;5.0V)

Check the Main PCB
RZD2,RC4,RR3,RR4,
RR2,RC1,RD1

Replace 

µ

-com

Yes

Yes

Front PCB 

When the power is

ON 'H' displays

at pin no. 49 ?(5V)

Yes

Connect Front PCB and Main PCB.

Check the connector Main PCB.

Wafer JWC3,JWC4

No

No

No

No

No

Summary of Contents for MM-26

Page 1: ...nd 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 VOLUME BAND MUTE EQ PRESET PUSH EJECT SRS ON STANDBY TUNING COUNTER REC STOP POWER TUNER CD TAPE AUX PHONES SRS SERVICEManual MICROCOMPONENT SYSTEM MM 26 CONTENTS ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 6: ...nic 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 10dB 50dB 60dB 1 5 25dB 522 1611KHz 50dB 40dB 33dB 2 146 290KHz 60dB 33dB 125Hz 8KHz 0 2 50dB 40dB 2 5 100Hz 10KHz 1dB 85dB 1kHz 0dB 75dB 1k...

Page 7: ...and Reassembly 3 1 Cabinet Top Cabinet Rear 1 Remove 8 screws of and 6 screws of of its rear part 2 Pull its top part upward vertically as shown in the figure 3 1 1 1 1 1 2 2 2 2 2 Samsung Electronics 3 1 Figure 3 1 ...

Page 8: ...3 2 Main PCB 1 Remove the Main PCB backward 3 2 Samsung Electronics Main PCB Figure 3 2 Disassembly and Reassembly ...

Page 9: ...D Pack 1 Undo 4 screws of and then remove the CD Pack downward 3 3 Cabinet Bottom 1 Remove 3 screws of and pull it out backward 1 Samsung Electronics 3 3 Figure 3 3 Figure 3 4 1 1 Disassembly and Reassembly ...

Page 10: ...move the Turn Table M 7 Remove 2 screw and then remove the Spindle Motor 8 Remove the Cover Gear by pushing the hook 9 Remove the Gear c by pushing the hook 10 Lift the Gear b 1 11 Remove the Gear a 2 12 Remove 2 screws 3 and then remove the Feed Motor 4 13 Remove the Chassis Deck M 5 4 6 7 13 2 1 9 10 11 12 14 15 8 3 5 3 4 Samsung Electronics Figure 3 5 Disassembly and Reassembly ...

Page 11: ... IFT1 TUNED is shown on LCD Figure 4 3 FM Antenna Terminal Speaker Terminal Input Input Figure 4 1 IF CENTER and T H D Adjustment Figure 4 3 AM Auto Search Level Adjustment Output Distortion Meter Oscilloscope FM SSG AM SSG 52dB 20K Test Loop Antenna GND 20dB 75Ω Dummy FM IN FM Antenna SET 5 kB SET Output GND FM Stereo Adjustment SSG FREQ 98MHz Adjustment point SEMI VR 5KB ISVR1 TUNED is shown on ...

Page 12: ...andard Standard Standard Remark Remark Remark Pre Setup Condition Pre Setup Condition Pre Setup Condition Pre Setup Pre Setup Pre Setup AZIMUTH Figure 4 5 After putting MTT 113CN into Deck 1 Press FWD PLAY button 2 Press REV PLAY button 1 Figure4 5 2 Adjusttheright controlscrewto playbackRev Mode Max output and same phase both channels After adjustment secure it with REGION LOCK See the diagram fo...

Page 13: ...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...

Page 14: ...put voltage normal Yes Check the Power PCB RF4 T3 15 AL 250V Yes Front PCB Does UX1 4 5MHz oscillate FRONT PCB POSNS voltage normal pin no 13 5 0V Check the Main PCB RZD2 RC4 RR3 RR4 RR2 RC1 RD1 Replace µ com Yes Yes Front PCB When the power is ON H displays at pin no 49 5V Yes Connect Front PCB and Main PCB Check the connector Main PCB Wafer JWC3 JWC4 No No No No No ...

Page 15: ...Base B Yes Is Mute selected Headphone Jack short Remove it with Remocon Replace Headphone jack soldering condition Main PCB AIC1 LM1876TF pin no 4 2 15 B B circuits Check the B power source part in RD2 PBL403 RC3 and RC14 Yes Confirm for TR short replace it Yes No No No ...

Page 16: ... LC72131 CONTROL ok Yes FM VT LC72131 pin no 20 1 7V 7 5V Yes AM VT LC72131 pin 20 Check the LC72131 CONTROL ok Yes Yes Check HIC1 pin 20 LPF IL1 IL2 output ok Check LC75394E function ok Check FEP interior pattern and any line disconnections 1 Power settion defective 2 LC72131 Oscillator HX1 7 2MHz ok 3 System line ok No Yes Check for µ com IC Replace LC72131 No No No No No No No Yes 0 9V 7V Check...

Page 17: ... B R P SIGNAL DECK OUTPUT OF IC Check for voltage at Pin5 1 P B Deck H 2 R P Deck L Check for pin2 of UIC2 when deck operate Check for voltage at pin 6 When between songs High Normal When playing song Low Normal AMPS AMPS IC JIC2 LA2010 Oscillate RECORD BIAS 85KHZ Osc Frequency 85KHz When inoperative JQ5 JQ6 check BIAS OSC ...

Page 18: ...one 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 S W Replace NIC9220 or NIC9258 during Focus Search 5V Yes Yes No No No No Yes Yes 6 3 CD 6 3 1 Malfunction of DISC Revolution ...

Page 19: ...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 3 2 Malfunction of Audio output ...

Page 20: ...ASSY PULLEY FR BELT FR ASS Y FLYWHEEL L ASS Y FLYWHEEL R BELT MAIN CRF 452 SHW2L YK56RAB4N3 22 222 4041 22 093 4149 22 093 4150 22 093 3071 07 W021C 22 222 4048 22 093 4061 22 239 3028 22 093 4151 22 268 3008 22 221 2090 22 072 4080 04 SW150 04 MT510041MVJ1 00 LB9051A 22 070 4046 00 S5BEH 22 222 4282 CRF452 22 093 3918 CRF452 02 083 4127 CRF452 22 220 3738 CRF452 22 093 3917 CRF452 02 084 4128 171...

Page 21: ... 13 50 15 16 5 1 2 3 41 35 48 49 29 19 PLAY PAUSE STOP REVERSE MODE PRE MAN VOLUME TUN PRE UP FM MODE COUNT SYNCHRO BAND REC PROG MEMO SKIP SEARCH MUTE CLOCK F PLAY STOP RPLAY 3EQ SLEEP VOLUME FUNCTION TIME TUN PRE DOWN TIME CD CD REPEAT 55 54 51 52 53 Exploded Views and Parts List 7 2 Main Exploded View and Parts List ...

Page 22: ...NT KNOB SBS FILTER SBS KNOB FUNCTION A KNOB FUNCTION B FILTER LCD HOLDER LCD HOLDER LED DECK CASSETTE HEAT SINK CABINET REAR CASE BOTTOM RUBBER FOOT WINDOW CD DOOR DOOR CD KNOB CD EJECT SPRING CD EJECT CABINET TOP EJECT LEVER SPRING CD DOOR DAMPER ASS Y HEAT SINK S RUBBER CAP BRACKET MOUNT CHUCK PLATE SHEET CHUCK LABER REFLECT CAP PICK UP ASSY CD PACK RUBBER CD SHIFT CD REMOCON ASS Y AL L28 ACRYL ...

Page 23: ...AR A GEAR B GEAR C SHAFT PU CENTER RING CENTER KNOB TURN TABLE M PICK UP CDP SPRING T TABLE MOTOR SPINDLE MOTOR FEED SCREW PH M2 3 BASIC CMSP30 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 94HB CMS V30 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 30...

Page 24: ...Samsung Electronics 7 5 Exploded Views and Parts List 7 3 1 CD DECK Exploded View ...

Page 25: ...CB MAIN MM26 ID1 2 HD1 QD1 AUD1 2 0401 000101 DIODE SWITCHING 1N4148 100V 200MA 5 JD1R FD1 2 LD1 2 JD3L 3R 2L FD2R 2L JD4 5 6 AD1 6 ID3 AD3 4 5 RD8 0402 000127 DIODE RECTIFIER 1N4002 100V 1A DO 4 A4104 0053 RD1 JD51 52 53 RD3 RD2 0402 000450 DIODE BRIDGE PBL403 200V 4 0A DIP 4 12169 219 330 RD7 0402 000452 DIODE BRIDGE PBP203 200V 2 0A DIP 4 12169 219 320 RZD1 0403 000379 DIODE ZENER UZP12B 12V 11...

Page 26: ... 277 473 JR51 52 2001 000119 R CARBON 680OHM 5 1 4W AA TP 2 4X6 11018 277 681 JR56 58 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X 11018 877 104 JR23 6R QR8 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 11018 877 101 JR21 FR14 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 11018 877 103 QR4R 2001 000319 R CARBON 120KOHM 5 1 8W AA TP 1 8X 11018 877 124 JR10R 2001 000331 R CARBON 12KOHM 5 1 8W AA...

Page 27: ... 1 10W DA TP 2012 11119 101 333 AUR2L 2R HR5 JR55 2007 000872 R CHIP 4 7KOHM 5 1 10W DA TP 2012 11119 101 472 RR4 JR31 2007 000887 R CHIP 4 9OHM 5 1 10W DA TP 2012 11119 101 479 LR1 2 2007 000941 R CHIP 47KOHM 5 1 10W DA TP 2012 11119 101 473 JR6L 2007 000947 R CHIP 47OHM 5 1 10W DA TP 2012 11119 101 470 AR3L JR18L 18R 19 2007 001039 R CHIP 56KOHM 5 1 10W DA TP 2012 11119 101 563 JR4L 4R 2007 0010...

Page 28: ...5 85A BIAS TRAP 35DB 12429 306 113 JT1 AH26 10003C COIL TRAP PCHNS 5371EQJ BIAS TRAP 12619 577 771 IFT2 AH26 10020A TRANS DET 7KLL DET 7 8MM 91PF 1 RCW1 AH39 20009L LEAD CONNECTOR ASS Y 5264 5395 6P 1 13078 476 115 ACW1 AH39 20022G LEAD CONNECTOR ASS Y 51004 5295 8P 16439 0204 00 PCB AH41 10410A PCB MAIN MM26 1L FR 1 247X247X1 6T AIC1 AH62 30061A HEAT SINK S AL EXTR WHT 40H AV330R 15684 507 510 RQ...

Page 29: ...AMIC CHIP 680PF 5 50V NPO 201 11129 009 681 AC9L 9R 2301 000375 C FILM PEF 100NF 5 50V 11X12 5X6 5 11505 713 104 JC30 2301 000379 C FILM PEF 10NF 10 50V 6X7X3 2MM 5 JC26 2301 000390 C FILM PEF 15NF 10 50V 6 5X9X3 5MM JC29 2301 000404 C FILM PEF 2 2NF 10 50V 5 5X7X3 2M JC25 2301 000422 C FILM PEF 3 3NF 10 50V 5 5X7X3MM LC6 2401 000213 C AL 100NF 20 50V GP 3 5 1MM TP 11608 106 108 HC11 2401 000240 C...

Page 30: ...0P ASSY OPT PCB MAIN MM26 FTZ AC10L 10R 11L 11R 16L 2201 000565 C CERAMIC DISC 47NF 20 50V Y5V 12 11417 344 473 AC16R 30 ICF1 2903 000102 FILTER CERAMIC BP 10 7MHZ 25KHZ 14529 301 770 FJ1 3716 000198 TERMINAL BLOCK NON SOLDER 3P 4MM A3059 0007 IL3 AH27 10001K COIL CHOKE 10MH K Q10 CL 3 12429 505 100 AL1L 1R 2L 2R AH27 90001A COIL SPRING 2 2UH SPRING 12429 060 030 FP1 AH40 10001T TUNER FE415 G11 75...

Page 31: ...029 R CHIP 0OHM 5 1 10W DA TP 2012 11119 101 000 UJW9 10 15 16 UJW12 13 14 16 UR67 2007 000030 R CHIP 560OHM 5 1 10W DA TP 2012 11119 101 561 UR36 47 59 2007 000241 R CHIP 1 5KOHM 5 1 10W DA TP 2012 11119 101 152 UR13 69 2007 000282 R CHIP 100KOHM 5 1 10W DA TP 2012 11119 101 104 UR22 25 26 27 29 30 35 2007 000300 R CHIP 10KOHM 5 1 10W DA TP 2012 11119 101 103 UR28 31 2007 000449 R CHIP 180OHM 5 1...

Page 32: ...LP1 2 3 4 4713 000158 LAMP NEON 9V 75MA 0 7W TRP 3X5 3MM B4158 0043 ULCD1 AH07 10035A LCD PANNEL LE 0726AP MM26 UIC3 AH14 10004M IC NJU3713G SOP TAPE 18P UCW4 AH39 20559J LEAD CONNECTOR ASSY 51004 05 5P REMOCON EYE AH59 60001J MODULE REMOCON GP1U271R 38KHZ MES B1294 0043 HOLDER LCD AH67 40025A FILTER LCD PC T0 5 MM 2 ULP1 2 3 4 AH73 10007A RUBBER CAP SILICON RCD 1650 GRN G3A8 1 16 C ASSY CD PACK G...

Page 33: ...X7R 201 11129 004 103 43R 44L 500 600 601 602 NC700 701 NC1000 1001 2203 000361 C CERAMIC CHIP 150PF 5 50V NPO 201 NC112 2203 000495 C CERAMIC CHIP 2 2NF 10 50V X7R 20 11129 004 222 NC118 2203 000787 C CERAMIC CHIP 330PF 5 50V NPO 201 NC113 125 101 2203 000802 C CERAMIC CHIP 33NF 10 50V X7R 201 11129 001 333 NC100 2203 000892 C CERAMIC CHIP 4 7NF 10 50V X7R 20 NC204 124 2203 000925 C CERAMIC CHIP ...

Page 34: ...ECTOR FPC FC PIC 16P 1 25MM ANG A6010 1525 NCW101 3711 001136 CONNECTOR HEADER BOX 8P 1R 2MM ANGL 13349 139 080 NIC05 AC14 12001G IC KA78L05 T AH61 20227A HOLDER PCB NYLON66 NTR DAHP 18N M 13324 0209 00 AH62 30047A HEAT SINK ETHD T0 5 MAX 555 11124 0061 00 Loc No NewPartNo Description Specification OldPartNo Electrical Parts List 8 10 Samsung Electronics ...

Page 35: ...Samsung Electronics 9 1 IIC1 HIC1 QIC1 PIC1 JIC1 SIC2 SIC1 UIC1 AIC2 AIC1 AIC2 AIC1 RIC1 9 Block Diagrams 9 1 Main ...

Page 36: ... 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...

Page 37: ... 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 2k 2k 800 150 0 68 VEE OUTPUT 0 68 150 10k 10pF IN IN GND MUTE 2k 1 1k 4 7k 4 7k 1 1k V 10k STDEY 20k 20k Block Diagrams ...

Page 38: ... BIAS INPUT N F MODE CONTROL BIAS CIRCUIT PU NF 1 PB IN 1 A B SW PB GND MUTE IN 1 REC OUT 1 PB OUT 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 V CC ST BY Vref MODE PRE GND GND µ COM 5 6V 250 mA CDP 10V 600mA MOTOR 13 3V MAIN SIGNAL 12V 0 8A 6 10 9 11 12 Selector 3 5 1 2 8 KA2...

Page 39: ... 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 MICMIX SW DMIX SW ON OFF 1 2 Vcc VOL SEL PHASE SEL Samsung Electronics 9 5 Block Diagrams M65846FP MIC1 OPTION BA4560 AIC2 LIC1 PIC2 OPTION MIC2 OPTION MIC3 OPTION ...

Page 40: ...9 6 Samsung Electronics Block Diagrams NJU3711 UIC3 DATA CLK STB CLK P1 P2 P3 P4 P5 Controller Circuit Shift Register Latch Circuit P6 P7 P8 ...

Page 41: ... TG 9 SYNC 1C 28 MHz KHz 10 TIMER 2D 2E 2F 11 2A OFF ON 2L 12 REC 2C 2G 2B 13 ST 3D 3E 3F 14 3A 3M 3K 3J 15 3L 3C 3G 3B 34 S1 S2 16 AI 4D 4E 4F 35 S7 S8 17 4A 4G 4B VOLUME RELAX 18 MONO 1B 1G 7 8 6 4 11 2 3 S5 S6 COM 1 com3 1 2 3 4 5 6 7 8 9 10 11 FLAT FLAT BGNS BGNS RELAX RELAX SYNC SYNC ON OFF ON OFF AI SLEEP AI SLEEP REC REC A B A B COM 4 COM 3 COM 4 6J 6H I 6M ROCK 5H I 5M 4C 29 30 31 32 33 36...

Page 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 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 NIC1641 KA9270 NIC9270 KA9258 NIC925...

Page 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 ...

Page 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...

Page 45: ...CLOCK MAIN SYSTEM CLOCK SUB SYSTEM CLOCK HOLD INPUT REMOCON INPUT SCOR INTERRUPT NJU3711 NJU3714 CONTROL DATA OUT NJU3711 NJU3714 CLEAR NJU3714 OUTPUT EXPANDER CONTROL CE NJU3711 NJU3714 CONTROL CLOCK NJU3711 OUTPUT EXPANDER CONTROL CE AMPS SIGNAL IN TUNER MONO STEREO INPUT TAPE MUTE DECK SOLENOID DECK MOTOR CONTROL TAPE REVERSE RECORDING CHECK A D CONVERTER GROUND POTENTIAL A D KEY INPUT 1 A D KE...

Page 46: ...15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 P8 7 6 5 4 3 2 1 0 P2 5 LCD LCD OPTION MCK LD XRT MDATA MLT CDMT SQDT LKFS FOX O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O I O O O O O I I I LCD DRIVER COMM SIGNAL OUTPUT 0 3 LCD DRIVER POWER SUPPLY LCD DRIVE VOLTAGE 0 2 LCD DRIVER EGMENT SIGNAL OUTPUT 1 32 TUNER OPTION INPUT DSP SSP CONTROL CLOCK LD ON AND DSP SSP R...

Page 47: ...10 PCB Diagrams 10 1 Main 10 1 Samsung Electronics ...

Page 48: ...Samsung Electronics 10 2 10 2 Front 10 3 Power PCB Diagrams ...

Page 49: ...10 3 Samsung Electronics 10 4 CD 10 4 1 Top View 10 4 2 Bottom View PCB Diagrams ...

Page 50: ...11 1 Samsung Electronics 11 Wiring Diagram MWC1 MCW1 UCW2 UCW1 VWC2 JWC1 RCW1 JWC4 JWC2 JCW3 LCW2 LCW1 UCW3 UCW4 UWC4 ACW1 OPTION OPTION DECK ASS Y ...

Page 51: ...12 1 Samsung Electronics 12 Schematic Diagrams 12 1 Main IIC1 HIC1 QIC1 MIC1 AIC1 LIC1 LIC1 JIC1 JIC2 SIC1 SIC1 SIC1 SIC1 SIC2 RIC1 PIC1 PIC2 MIC2 AIC2 AIC2 MIC3 MIC3 PIC2 ...

Page 52: ...12 2 Front Samsung Electronics 12 2 Schematic Diagrams ...

Page 53: ...12 3 CD 12 3 Samsung Electronics Schematic Diagrams 1 1 2 2 3 3 ...

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