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Samsung MAX-460V Service Manual Download Page 18

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

Summary of Contents for MAX-460V

Page 1: ...stments 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 3CDCHANGERVIDEOCD MINIMINICOMPONENT MAX 460V CONTENTS Samsung Electronics Co Ltd Dec 1996 Code No AH68 20139A ...

Page 2: ...o 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 95dB 1k...

Page 3: ...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 See arrow Samsung Electronics 3 1 Figure 3 1 ...

Page 4: ...on of arrow 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 3 2 Samsung Electronics Figure 3 2 1 Figure 3 2 Disassembly and Reassembly ...

Page 5: ...ws and then lift 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 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 Disassembly and Reassembly ...

Page 6: ...3 5 CD Mecha Main 3 4 Samsung Electronics Figure 3 5 11 34 30 36 17 33 5 4 9 28 7 8 6 32 10 18 26 25 29 16 16 1 3 22 2 24 21 20 19 35 31 13 15 14 4 6 5 7 1 3 2 8 37 27 12 Disassembly and Reassembly ...

Page 7: ... 5with using the soldering iron 13 Remove 2 screws 6 and then remove the Gear Cam 7 14 Remove the Belt Disc 8 15 Remove 1 screw Y and then remove the PCB SUB switch 9 16 Remove the Switch Micro 0 and the Connector Header 17 Remove the Pulley Motor 18 Remove 1 screw Q and then lift the Gear Pulley q 19 Remove 1 screw W and then lift the Gear UD 2 w 20 Lift the Gear UD 1 E 21 Remove 1 screw and then...

Page 8: ... 8 Remove the Bracket Motor 9 Remove the Shaft Motors 1 1 10 Remove the Gear Worm 2 from the Motor DC 11 Remove the PCB SUB Motor R 3 with using the soldering iron 12 Remove the A S C wire 4 with a soldering iron 13 Remove 1 screw 5 and then remove the connector header 6 Sensor Roulette 7 and the A S C wire FL 8 with using a soldering iron 14 Remove the PCB SUB sensor R 9 20 4 16 3 23 2 10 22 11 1...

Page 9: ...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 7 Disassembly and Reassembly ...

Page 10: ...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 kB 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...

Page 11: ...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...

Page 12: ...rminal to AP1 2 Load and play the disc 3 While the disc is running adjust the gain with WVR2 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 Set TIME DIV of th...

Page 13: ...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...

Page 14: ...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...

Page 15: ...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 ...

Page 16: ...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 ...

Page 17: ...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...

Page 18: ... 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 ...

Page 19: ...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 ...

Page 20: ...heck Roulette Motor Is Roulette Control ok Check Roulette Control Sensor No No Yes Yes Is Focus Search ok Check oscillation of XX1 Yes Yes No No Does Laser function during Focus Search Check WIC02 pin3 voltage during Focus Search 5V Replace PICK UP Replace CXD2500Q Replace WIC01 or WIC03 16 9344MHz CLOSE condition 0V 6 3 CD 6 3 1 Disc Revolution Malfunction Troubleshooting ...

Page 21: ... Headphone Jack short Remove it with Remocon 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 ...

Page 22: ...t Check reset of MI1 pin50 CI1 pin101 Check µ com of Main PCB X X Check connection condition short O Check communication of MI1 CI1 O Check commucation of CI1 RI1 RI2 RI3 Lead In Mode check data input of CI1 pin104 105 106 X Check MI1 CI1 connection X Check CI1 RI1 RI2 RI3 connection short Check communication of MI1 pin3 33 34 42 43 Check µ com of Main PCB X X Check connection of short O short 6 4...

Page 23: ... condition of CI1 EI1 short X Check CI2 and short Check R G B waveform input of VEI1 pin 5 7 9 X Check R G B data input of CI1 VEI1 and short O Check clock input of EI1 pin8 O Check EI1 pin19 input to NT L PAL H X Check OI2 OI3 and connection condition X Check MI1 pin39 and EQ1 Check R G B waveform input of EI1 pin12 13 14 X Check SI1 and short O A Troubleshooting 6 4 2 No Filed Signal and OSD ...

Page 24: ...O O Does the video waveform output of OI1 pin15 X Check circuit of OI2 OI3 and connection condition X Check circuit of OI1 and short Does the clock of OI1 pin 20 perform input normally X Check OI2 OI3 and short O A Does the video waveform output of EI1 pin2 Does the video waveform input of OI1 pin13 Does the clock of OI1 pin 4 perform input normally Check action of OQ1 OQ2 OQ3 Troubleshooting 6 4 ...

Page 25: ... AI1 and short X Check connection of wafer and short Check the audio signal output of AI1 pin13 16 X Check circuit of AI1 and short O Does the audio signal output of ALQ1 ARQ1 collector Check output wire X Check the mute of MIC1 pin18 Does the audio signal output of ALI1 pin1 ARI1 pin1 X Check circuit of ALI1 ARI1 and short O Troubleshooting 6 4 4 No Sound Signal ...

Page 26: ...IDE LEVER PACK SPRING MAIN BELT 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 ...

Page 27: ... 5 5 6 6 7 7 8 8 9 9 10 10 20 20 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 30 30 40 40 50 50 41 41 41 41 42 42 42 42 21 21 22 22 23 23 24 24 25 25 26 26 28 28 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 43 43 43 43 46 46 47 47 48 48 51 51 52 52 45 45 49 49 29 29 23 23 24 24 25 25 53 53 ...

Page 28: ... 94HB BLK PMMA VIOLET PMMA 94HB T2 VIOLET PMMA 94HB T1 5 PMMA 94HB T1 5 ABS 94HB T3 AL L30 WHT NEW ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK PMMA 94HB MILKY ABS PMMA BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK ABS 94HB BLK PLAY S ABS 94HB BLK PMMA T6 5 PMMA MILKY PMMA TRP T...

Page 29: ...ON ROULETTE CUSHION MAIN CUSHION TRAY 1 CUSHION TRAY 2 LABEL SERIAL CONNECTOR HEADER CONNECTOR WAFER CLAMP WIRE CMSCR3P POM M90 02 BLK POM M90 02 BLK POM M90 02 WHT POM M90 02 WHT CR NEOPLENCE RF 500TB 12560 SSCF21 XPC 1 6t 1VO POM M90 02 BLK POM M90 02 BLK ABS BLK POM M90 02 WHT HYTREL 5526 POM M90 02 WHT SECC 1 0t SUS 303 D2 5 L9 3 FF 130SH 14230 XPC 1 0t 1VO XPC 1 0t 1VO SG 207 IIR Hs 40 IIR Hs...

Page 30: ...ER 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 30...

Page 31: ...NG 1N4148 100V 200MA 5 JD1 4 5 6 7 HD1 2 CD1 2 3 4 5 AD101 103 0401 000101 DIODE SWITCHING 1N4148 100V 200MA 5 RD6 RD9 11 12 AD104 0402 000127 DIODE RECTIFIER 1N4002 100V 1A DO 4 A4104 0053 RD7 8 13 0402 000151 DIODE RECTIFIER 1N5392 100V 1 5A DO 12169 201 140 RD1 0402 000450 DIODE BRIDGE PBL403 200V 4 0A DIP 4 12169 219 330 CZD2 3 0403 000354 DIODE ZENER UZ5 1B 5 1V 4 8 5 4V 50 12169 403 310 BZD1...

Page 32: ...P 1 8X3 11018 877 102 BR6L 6R 10 11 HR2 RR3 2001 000435 R CARBON 1MOHM 5 1 8W AA TP 1 8X3 11018 877 105 JR6L 6R 7L 7R HR15 7 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X 11018 877 222 AR124L 124R PR2L 2R JR12L 12R 23L 23R 2001 000472 R CARBON 2 7KOHM 5 1 8W AA TP 1 8X 11018 877 272 FR3 ZR4L 4R PR1L 1R JR22L 22R 2001 000508 R CARBON 220KOHM 5 1 8W AA TP 1 8X 11018 877 224 FR6 8 11 BR12 AR127L 200...

Page 33: ...34 2201 000260 C CERAMIC DISC 180PF 10 50V SL 4 4 11407 018 181 HC7 2201 000300 C CERAMIC DISC 1NF 20 50V Y5T 4X4 11417 329 102 RC104 2201 000381 C CERAMIC DISC 22NF 20 50V Y5V 8 0 11417 344 223 HC11 2201 000423 C CERAMIC DISC 27PF 5 50V NPO 5 0X 11407 057 270 FC10 2201 000426 C CERAMIC DISC 27PF 5 50V SL 4X3 5 11407 017 270 BC28 2201 000432 C CERAMIC DISC 2PF 0 3PF 50V NPO 5 11407 052 209 RC100 1...

Page 34: ...M 11609 402 300 CC1 BC17 2401 000907 C AL 22UF 20 16V GP 5 11 2MM 11608 103 223 JC17L 17R 2401 001019 C AL 3 3UF 20 50V GP 4X7 1 5MM HC4 JC9L 9R 14L 14R 2401 001022 C AL 3 3UF 20 50V GP 5 11 2MM 11608 106 332 JC27L 27R JC24 10 2401 001102 C AL 330UF 20 16V GP 8X11 ZC12 14 2401 001164 C AL 33UF 20 16V GP 5 11 2MM 11608 103 333 RC6 2401 001364 C AL 470UF 20 16V GP 10X12MM 5MM T 11608 103 471 JC6L 6R...

Page 35: ...11018 877 105 MR15 2001 000666 R CARBON 33OHM 5 1 8W AA TP 1 8X3 11018 877 330 ER2 3 16 18 21 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X 11018 877 472 MR16 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 11018 877 473 ER23 2001 000802 R CARBON 5 6KOHM 5 1 8W AA TP 1 8X MR18 ER37 2003 000008 R METAL OXIDE S 100OHM 5 1W AA TP 11048 477 101 EC19 20 MC33 34 2201 000573 C CERAMIC DISC 47PF 5 50V NPO...

Page 36: ...202 000796 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 ...

Page 37: ...1018 277 682 RR2 2001 000116 R CARBON 820OHM 5 1 4W AA TP 2 4X6 11018 277 821 AR202L 202R 2001 000241 R CARBON 1 5KOHM 5 1 8W AA TP 1 8X 11018 877 152 AR204 2001 000281 R CARBON 100OHM 5 1 8W AA TP 1 8X3 11018 877 101 AR201L 201R 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 11018 877 103 ZR3L 3R 2001 000362 R CARBON 150OHM 5 1 8W AA TP 1 8X3 11018 877 151 AR125L 125R 2001 000429 R CARBON 1KOHM 5...

Page 38: ...2 000781 C CERAMIC MLC AXIAL 100PF 10 50V Y 11449 518 101 BC22 2202 000807 C CERAMIC MLC AXIAL 22NF 80 20 25 11448 010 223 BJ2 3 3722 000342 JACK DC POWER 2P NI BLK 16 22 13333 501 410 BJW29 3811 000389 WIRE NO SHEATH CU SPCW 300V 52 4MM JR50L 50R 2001 000786 R CARBON 47KOHM 5 1 8W AA TP 1 8X3 11018 877 473 JC50L 50R 2401 002180 C AL 2 2UF 0 2 50V GP 5X11 5MM TP JW1 3811 000131 WIRE PVC CU BCWA 30...

Page 39: ...61 UR49 2001 000890 R CARBON 6 8KOHM 5 1 8W AA TP 1 8X 11018 877 682 UR21 31 UR41 2001 000924 R CARBON 680OHM 5 1 8W AA TP 1 8X3 11018 877 681 UR22 23 32 33 2001 000995 R CARBON 820OHM 5 1 8W AA TP 1 8X3 11018 877 821 UR42 43 UC13 14 2201 000223 C CERAMIC DISC 12PF 5 50V NPO 5 0X 11407 057 120 UC7 8 2201 000423 C CERAMIC DISC 27PF 5 50V NPO 5 0X 11407 057 270 UC2 11 12 15 22 24 9 2201 000565 C CER...

Page 40: ...290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 11018 877 103 VR4 6 8 2001 000522 R CARBON 22KOHM 5 1 8W AA TP 1 8X3 11018 877 223 VR10 2003 000603 R METAL OXIDE S 270OHM 5 1W AA TP 11048 477 271 VR9 2003 000690 R METAL OXIDE S 4 7OHM 5 2W AA TP 11048 577 479 VR5 2003 000734 R METAL OXIDE S 560OHM 5 2W AA TP 11048 577 561 PSC1 2 VC6 2201 000520 C CERAMIC DISC 4 7NF 80 20 400VAC 11469 501 070 VC3 2401 00136...

Page 41: ...5 TO 220 3P 12119 601 800 EI1 1204 000143 IC ENCODER MC13077 SOP 20P PLASTI B4012 0347 CI1 1204 000361 IC DECODER CL480 QFP 128P PLASTIC OI1 1204 000378 IC OSD PROCESSOR KS5514B DIP 24P 30 RJ1 JW1 2007 000029 R CHIP 0OHM 5 1 10W DA TP 2012 11119 101 000 ER6 7 2007 000221 R CHIP 1 2KOHM 5 1 10W DA TP 2012 11119 101 122 ALR2 ARR1 2007 000241 R CHIP 1 5KOHM 5 1 10W DA TP 2012 11119 101 152 OR10 2007 ...

Page 42: ...000243 C AL 100UF 20 10V GP 6 3 5 2 5MM T 11608 152 101 AC1 EC13 OC11 2401 000407 C AL 10UF 20 16V GP 3 5 5 TP 11608 173 100 AC3 4 2401 000588 C AL 1UF 20 50V GP 3 5 1MM TP 11608 106 109 EC14 2401 000909 C AL 22UF 20 16V GP 5 5 2MM TP 11608 153 220 OC9 2401 001238 C AL 4 7UF 20 25V GP 3 5 1MM TP 11608 154 479 OC10 2401 001324 C AL 470NF 20 50V GP 3 5 1MM TP 11608 106 478 OC12 13 2401 002183 C AL 2...

Page 43: ... ANG SCW5 3711 000988 CONNECTOR HEADER BOX 5P 1R 2 0MM AN 13349 139 050 SCW6 3711 001525 CONNECTOR HEADER NOWALL 4P 1R 2 5MM 13349 167 040 SIC4 AC14 12001G IC KA78L05 T SCW3 AH39 20018R LEAD CONNECTOR ASS Y 51004 35023 15 16439 0103 00 SCW7 AH39 20025U LEAD CONNECTOR ASSY 51004 03 3502 16439 0293 00 SCW4 AH39 20507A LEAD CONNECTOR ASSY 51004 35023 1 WZD02 0403 000363 DIODE ZENER UZ6 8BH 6 8V 6 8 7...

Page 44: ... WC23 2203 000892 C CERAMIC CHIP 4 7NF 10 50V X7R 20 WC8 9 15 2203 000919 C CERAMIC CHIP 470NF 80 20 16V Y5 WC17 30 2203 000979 C CERAMIC CHIP 47NF 10 50V X7R 201 WC24 2203 001026 C CERAMIC CHIP 4PF 0 25PF 50V SL 20 WC16 2203 001105 C CERAMIC CHIP 6 8NF 10 50V X7R 20 11129 004 682 WC11 2203 001137 C CERAMIC CHIP 68NF 80 20 50V Y5V 11129 004 683 WC25 2203 001256 C CERAMIC CHIP 8PF 0 25PF 50V NPO 2 ...

Page 45: ...9 1 Samsung Electronics 9 Block Diagrams 9 1 Main 40W 20W 60W LC866224 5D65 UIC1 SIC1 BIC1 MIC1 JIC1 MIC2 EIC1 RIC1 AIC101 AIC101 UIC2 UIC3 IIC1 HIC1 ...

Page 46: ...9 2 CD Samsung Electronics 9 2 Block Diagrams ...

Page 47: ...9 3 Video CD 9 3 Samsung Electronics Block Diagrams ...

Page 48: ... 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...

Page 49: ...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...

Page 50: ...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 9 6 Samsung Electronics Block Diagrams ...

Page 51: ...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 Samsung Electronics 9 7 9 5 IC TR Internal Diagrams ...

Page 52: ...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 9 8 Samsung Electronics ...

Page 53: ...D 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 STK4121V 2...

Page 54: ...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 9 10 Samsung Electronics...

Page 55: ... 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 Samsung Electronics 9 11 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...

Page 56: ...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...

Page 57: ...TG ATS TZC TE2 TE1 N C FSCH FDFCT FCE FSEO TEST2 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 TG...

Page 58: ...P DVDD P3 P2 XTOUT XTIN SYD AFCR FSC AVDD CVOUT SCCR CVIN DGND SCK ACB OSCIN OSCOUT CSB SIN P1 CLAMP IN A GND LPF AFCFIL KS5514B 09 OI1 PCM1710U AI1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 ML DSD MC DM2 MC DM1 MUTE MODE CXSL DGND Vdd VCC2L AGND2L SCT1L EXT2L VOJTL VCC1 LRCIN DIN BCKIN CLKO XTI D GND Vdd VCC2R AGND2R EXT1R EXT2R VOUTR AGND1 XTO INPUT INTERFACE DIG...

Page 59: ... Digital PLL vari pitch double speed EFM demodulator Sync protector Timing generator Subcode P W Processor Subcode Q Processor Noise shaper 18 times oversampling filter CLV Processor Error corrector Timing generator 2 CPU interface Servo auto sequencer Peok detector Digitat out D A data processor Address generator Priority encoder Serial Parallel processor 32K RAM Register MUX 5 8 1 8 9 12 13 14 1...

Page 60: ...10 PCB Diagrams 10 1 Main 10 1 Samsung Electronics ...

Page 61: ...Samsung Electronics 10 2 PCB Diagrams ...

Page 62: ...10 3 Samsung Electronics PCB Diagrams 10 2 Front ...

Page 63: ...Samsung Electronics 10 4 PCB Diagrams 10 3 Power ...

Page 64: ...10 5 Samsung Electronics 10 4 CD 10 4 1 Top View 10 4 2 Bottom View PCB Diagrams ...

Page 65: ...Samsung Electronics 10 6 10 4 3 CD SUB PCB Diagrams ...

Page 66: ...10 7 Samsung Electronics 10 5 Video CD 10 5 1 Top View 10 5 2 Bottom View PCB Diagrams ...

Page 67: ...10 5 Samsung Electronics 10 4 CD 10 4 1 Top View 10 4 2 Bottom View PCB Diagrams ...

Page 68: ...MIC1 BIC1 MIC2 EIC1 AIC102 AIC101 SIC2 RIC1 ZIC1 ZIC1 12 1 Samsung Electronics 12 Schematic Diagrams 12 1 Main ...

Page 69: ...Samsung Electronics 12 2 12 2 Front Schematic Diagrams ...

Page 70: ...12 3 CD Schematic Diagrams 12 3 Samsung Electronics 1 1 2 2 ...

Page 71: ...12 4 Video CD Samsung Elctronics 12 4 VEI1 AI1 EI1 MI1 RIC2 OI1 RI3 RI1 GI3 EI2 Samsung Electronics ...

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