Samsung MAX-673V Service Manual Download Page 4

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Samsung Electronics

3-1

3. Troubleshooting

3-1 Operation of Mechanism

3-1-1 Load Operation

PICK-UP LIMIT SW (ON OFF)

PICK-UP UNIT SW (DOWN)

DISC CASE P.SENSOR(L)

LOAD

LOADING PLATE P.SENSOR(H L)

LOADING MOTOR STOP

LOADING MOTOR (CCW)

30mS (BRAKE)

LOADING MOTOR STOP 40mS

LOADING MOTOR (CCW)

LOADING PLATE P.SENSOR(L H)

LOADING MOTOR STOP 30mS

LOADING MOTOR (CW)

LOADING PLATE P.SENSOR(H L)

LOADING MOTOR STOP

END

LOADING MOTOR(CW)

Summary of Contents for MAX-673V

Page 1: ...Troubleshooting 4 Exploded Views and Parts List 5 Electrical Parts List 6 Block Diagrams 7 PCB Diagrams 8 Wiring Diagram 9 Schematic Diagrams SERVICEManual 6 1CDCHANGERVIDEOCD MINIMINICOMPONENT MAX 673V CONTENTS This service manual is based on Model MAX 670 Code No AH68 20108A The differences as compaired with Model MAX 670 Video CD is added ...

Page 2: ... to noise ratio Middle frequency Total harmonic distortion 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 1µV 62dB 60dB 0 45 35dB 522 1611KHz 600µV 40dB 30dB 2 125Hz 12 5KHz 0 15 60dB 40dB 2 5 20Hz 20KHz 1dB 95dB 1kHz 0dB 75dB 1kHz 0dB 0 05 1kHz 0dB 90W CH 6...

Page 3: ...cilloscope to Vref and terminal 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...

Page 4: ... PICK UP UNIT SW DOWN DISC CASE P SENSOR L LOAD LOADING PLATE P SENSOR H L LOADING MOTOR STOP LOADING MOTOR CCW 30mS BRAKE LOADING MOTOR STOP 40mS LOADING MOTOR CCW LOADING PLATE P SENSOR L H LOADING MOTOR STOP 30mS LOADING MOTOR CW LOADING PLATE P SENSOR H L LOADING MOTOR STOP END C C C a b c e d LOADING MOTOR CW ...

Page 5: ...OAD LOADING MOTOR CCW UNLOAD LIMIT SW ON LOADING MOTOR CW UNLOAD LIMIT SW OFF LOADING MOTOR CW LOADING PLATE P SENSOR L H LOADING MOTOR CCW END b LOADING PLATE P SENSOR H L LOADING PLATE P SENSOR H L LOADING MOTOR STOP b b a b c e d 3 2 Samsung Electronics 3 1 2 Unload Operation Troubleshooting ...

Page 6: ...CK UP LIMIT SW ON OFF UP DOWN MOTOR CCW PICK UP DRIVE UNIT SW DOWN UP DOWN MOTOR STOP OPEN OPEN SW LOW LOADING MOTOR STOP LOADING MOTOR CW END Samsung Electronics 3 3 3 1 3 Open Operation Troubleshooting ...

Page 7: ... 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 3 2 Video CD 3 2 1 ...

Page 8: ... 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 3 2 2 No Field Signal and OSD Troubleshooting ...

Page 9: ...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 3 2 3 No Field Signa...

Page 10: ...nnection 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 Samsung Electronics 3 7 3 2 4 No Sound Signal Troubleshooting ...

Page 11: ...4 Exploded Views and Parts List 4 1 Amp and Tuner 4 1 1 Amp and Tuner Exploded View 1 2 3 4 5 6 7 8 9 9 18 20 22 23 24 25 26 11 10 14 12 16 13 19 17 PCB FRONT PCB MAIN 27 15 21 4 1 Samsung Electronics ...

Page 12: ...5 26 27 28 29 30 31 32 33 34 AH64 30358F AH95 50001A AH61 80030A AH61 20369D AH64 40362E AH64 70003F AH64 50309C AH64 40359A AH69 20031A AH67 10115A AH95 50223A AH64 11037B AH67 40019A AH67 10113B AH67 10114B AH61 20368C AH64 50307B AH64 50308B AH61 60301A AH61 60302A AH64 40360C AH64 40361C AH64 11038B AH64 11035A AH64 11036C AH64 11039B AH91 60104A AH61 20057A AH61 20370A AH64 30214E AH59 20001C...

Page 13: ...8 9 9 10 18 27 28 29 30 31 32 17 19 20 21 25 23 22 24 26 11 12 14 13 16 15 34 33 PCB FRONT PCB FRONT PCB FRONT PCB VCD PACK PCB MAIN 11 2 11 4 11 1 11 3 11 2 4 2 Cassette Deck and CD Section 4 2 1 Cassette Deck and CD Exploded View 4 3 Samsung Electronics ...

Page 14: ... 5 1 8W AA TP 1 8X 11018 877 222 UR19 2001 000472 R CARBON 2 7KOHM 5 1 8W AA TP 1 8X 11018 877 272 UR5 2001 000508 R CARBON 220KOHM 5 1 8W AA TP 1 8X 11018 877 224 UR85 64 2001 000522 R CARBON 22KOHM 5 1 8W AA TP 1 8X3 11018 877 223 UR84 2001 000554 R CARBON 270OHM 5 1 8W AA TP 1 8X3 11018 877 271 UR23 2001 000666 R CARBON 33OHM 5 1 8W AA TP 1 8X3 11018 877 330 UR20 32 UJW15 2001 000734 R CARBON 4...

Page 15: ...3 11 2 5MM 11608 106 470 UC36 37 2401 001893 C AL 100UF 20 16V 6 3X7MM 5 TP UC38 2401 001904 C AL 10UF 20 16V 4X7MM 5 TP UC33 2401 001931 C AL 220NF 20 50V 4X7MM 5 TP UC10 2401 002180 C AL 2 2UF 0 2 50V GP 5X11 5MM TP UC9 2409 000123 C EDL 47000UF 4UA 5 5V 5MM BK B1104 0540 UX2 2801 001382 CRYSTAL UNIT 12MHZ 50PPM 28 AAM 10P A1280 0017 UX1 2801 001394 CRYSTAL UNIT 32 768KHZ 20PPM 28 AAY 14539 502 ...

Page 16: ... 11119 101 102 SR19 31 39 2007 000572 R CHIP 220OHM 5 1 10W DA TP 2012 11119 101 221 SR5 7 24 10 2007 000586 R CHIP 22KOHM 5 1 10W DA TP 2012 11119 101 223 SR29 1 2 2007 000653 R CHIP 27KOHM 5 1 10W DA TP 2012 11119 101 273 SR9 2007 000710 R CHIP 3 9KOHM 5 1 10W DA TP 2012 11119 101 392 SR13 14 36 38 12 2007 000774 R CHIP 33KOHM 5 1 10W DA TP 2012 11119 101 333 SR40 28 32 SR16 2007 000931 R CHIP 4...

Page 17: ...V GP 11X6 A1104 0750 OC5 2401 001945 C AL 330UF 20 50V GP 10X20MM 5MM B 11607 106 331 OC2 8 22 23 18 2401 002180 C AL 2 2UF 0 2 50V GP 5X11 5MM TP KIC1 1204 000208 IC SOUND PROCESSOR M65840F SOP 28P B4012 0530 KR2 4 6 7 8 12 16 19 2007 000300 R CHIP 10KOHM 5 1 10W DA TP 2012 11119 101 103 KR9 10 11 17 2007 000477 R CHIP 1MOHM 5 1 10W DA TP 2012 11119 101 105 KR3 5 13 14 15 2007 000872 R CHIP 4 7KO...

Page 18: ... 877 152 HR12 13 TR6 2001 000290 R CARBON 10KOHM 5 1 8W AA TP 1 8X3 11018 877 103 JW179 2001 000302 R CARBON 10OHM 5 1 8W AA TP 1 8X3 11018 877 100 VR2 2001 000362 R CARBON 150OHM 5 1 8W AA TP 1 8X3 11018 877 151 TR20 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 11018 877 102 ER5 7 DR15 16 TR56 64 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X 11018 877 222 VR7 8 ER34 TR66 ER6 8 2001 000508 R CAR...

Page 19: ...7 000774 R CHIP 33KOHM 5 1 10W DA TP 2012 11119 101 333 TR29 2007 000822 R CHIP 390OHM 5 1 10W DA TP 2012 11119 101 391 FR2 3 6 8 2007 000830 R CHIP 39KOHM 5 1 10W DA TP 2012 11119 101 393 ER11 12 TR12 21 PR33 2007 000872 R CHIP 4 7KOHM 5 1 10W DA TP 2012 11119 101 472 DR12 13 17 20 ER13 2007 000941 R CHIP 47KOHM 5 1 10W DA TP 2012 11119 101 473 HR1 4 5 8 9 16 TR46 47 PR10 2007 001071 R CHIP 6 8KO...

Page 20: ...1413 C AL 470UF 20 35V GP 10X20 5MM 11609 402 130 HC1 2 2401 001538 C AL 47UF 20 25V GP 6X11 2 5MM EC11 22 VC1 KC22 2401 001895 C AL 100UF 20 16V GP 6 3X11MM 2 5M DC7 8 9 10 EC8 2401 001912 C AL 1UF 20 50V GP 5X11MM 2MM BK EC14 2401 001917 C AL 1UF 20 50V 5X7MM 5 TP HC3 4 TC21 31 32 34 35 EC9 10 12 13 2401 001919 C AL 2 2UF 20 50V 4X7MM 5 TP FC6 7 9 FC5 10 11 18 19 EC15 16 FC22 23 2401 001938 C AL...

Page 21: ... M ALS MAX670R AH62 30117A HEAT SINK TR ALS T2 0 MAX RC1 2 2201 000520 C CERAMIC DISC 4 7NF 80 20 400VAC 11469 501 070 FUSE1 3 4 3601 000248 FUSE FERRULE 250V 2A TIME LAG GLASS 14709 241 250 RF1 3 4 3602 000147 FUSE CLIP 250V 7 5A 30MOHM 13164 101 913 RCW3 3708 001044 CONNECTOR FPC FC PIC 5P 1 5MM STRAI RCW1 3711 000190 CONNECTOR HEADER 1WALL 2P 1R 7 92MM 13349 156 020 RCW2 3711 000588 CONNECTOR H...

Page 22: ...0OHM 5 1 8W AA TP 1 8X3 11018 877 391 JR9 2001 000008 R CARBON 15KOHM 5 1 8W AA TP 1 8X3 11018 877 153 UR104 2001 000019 R CARBON S 10OHM 5 1 2W AA TP 2 4 11018 377 100 RR24 2001 000042 R CARBON 1KOHM 5 1 4W AA TP 2 4X6 11018 277 102 RR25 26 2001 000221 R CARBON 1 2KOHM 5 1 8W AA TP 1 8X 11018 877 122 JR1L 1R UR9 DR2 7 2001 000273 R CARBON 100KOHM 5 1 8W AA TP 1 8X 11018 877 104 JR14 DR13 19 25 24...

Page 23: ... 1KOHM 5 1W AA TP 11048 477 102 RR7 2003 000554 R METAL OXIDE S 2 2OHM 5 1W AA TP 11048 477 229 LSR1L 1R 2103 000122 VR SEMI 100KOHM 30 1 10W TOP 11249 102 074 CSR3 4 2103 000171 VR SEMI 10KOHM 30 1 10W TOP 11249 102 034 JSR1R 2R 2103 000290 VR SEMI 20KOHM 30 1 10W TOP 11249 102 044 CSR1 2 2103 000341 VR SEMI 2KOHM 30 1 10W TOP 11249 102 104 JSR3R 2103 000461 VR SEMI 50KOHM 30 1 10W TOP 11249 102 ...

Page 24: ...2909 000210 FILTER LC LP 1DB 30DB 19KHZ 50DB 14529 414 050 RFS1 2 3601 000249 FUSE FERRULE 250V 2A TIME LAG GLASS B3065 0108 RFS1 2 3602 000147 FUSE CLIP 250V 7 5A 30MOHM 13164 101 913 CFW1 3708 000152 CONNECTOR FPC FC PIC 13P 1 25MM STR B6010 0794 CFW3 3708 000274 CONNECTOR FPC FC PIC 34P 1 25MM STR B6010 0881 1 DECK 3708 000446 CONNECTOR FPC FC PIC 11P 1 5MM STRA B6010 1547 2 DECK 3708 000447 CO...

Page 25: ... 222 UR45 59 2001 000472 R CARBON 2 7KOHM 5 1 8W AA TP 1 8X 11018 877 272 UR19 2001 000515 R CARBON 220OHM 5 1 8W AA TP 1 8X3 11018 877 221 UR50 51 2001 000522 R CARBON 22KOHM 5 1 8W AA TP 1 8X3 11018 877 223 UR20 21 2001 000554 R CARBON 270OHM 5 1 8W AA TP 1 8X3 11018 877 271 UR46 2001 000613 R CARBON 3 9KOHM 5 1 8W AA TP 1 8X 11018 877 392 UR65 66 67 68 69 70 71 2001 000734 R CARBON 4 7KOHM 5 1 ...

Page 26: ...IRE NO SHEATH CU SPCW 300V 52 4MM VSJ1 AH37 20001R JACK S 437P 07 YEL YEL WHT RED G3AC2 6 C CD PACK ASSY 6 CD CKD 3809 001015 CABLE FLAT 30V 80C 100MM 30P 1MM UL WCW5 AH39 20504A LEAD CONNECTOR ASSY 51004 PHR 6P SW4 AH39 20505A LEAD CONNECTOR ASSY 51004 GT201 8 SW3 AH39 20506A LEAD CONNECTOR ASSY 51004 GT201 8 AH39 20545A LEAD CONNECTOR ASSY 51004 51004 2 AH90 10320E ASSY PCB SUB MAX 670Z G3A1 SW3...

Page 27: ...C13 2203 000417 C CERAMIC CHIP 18NF 10 50V X7R 201 11129 004 183 WC18 21 2203 000495 C CERAMIC CHIP 2 2NF 10 50V X7R 20 11129 004 222 WC7 28 2203 000802 C CERAMIC CHIP 33NF 10 50V X7R 201 11129 001 333 WC35 36 2203 000818 C CERAMIC CHIP 33PF 5 50V NPO 2012 11129 008 330 WC14 2203 000840 C CERAMIC CHIP 390PF 5 50V NPO 201 WC23 2203 000892 C CERAMIC CHIP 4 7NF 10 50V X7R 20 WC8 9 15 2203 000919 C CE...

Page 28: ...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 000267 R CHIP 1 8KOHM 5 1 10W DA TP 2012 11119 101 182 OR5 ALR10 ARR10 2007 000282 R CHIP 100KOHM 5 1 10W DA TP 2012 11119 101 104 RR1 2 3 4 5 2007 000290 R CHIP 100OHM 5 1 10W DA TP 2012 11119 101 101 RR6 7 8 9 10 RR11 12 13 PR1...

Page 29: ...01324 C AL 470NF 20 50V GP 3 5 1MM TP 11608 106 478 OC12 13 2401 002183 C AL 220UF 0 2 16V GP 8X9 5MM TP RC4 ALC5 ARC5 2404 000190 C TA CHIP 22UF 20 16V 5832 TP 11155 306 220 ALC1 ARC1 2404 000367 C TA CHIP 4 7UF 20 6 3V 3216 B1106 0274 OL1 2 EL1 AL1 2703 000001 INDUCTOR SMD 10UH 10 2 5X3 2X2MM 11176 600 050 CX1 2801 000286 CRYSTAL UNIT 40 5MHZ 50PPM 28 AAM 2 A1280 0197 MX1 2802 000108 RESONATOR C...

Page 30: ......

Page 31: ...6 Block Diagrams 6 1 Cassette Deck Samsung Electronics 6 1 DIC2 DIC1 JIC1 KL1L UIC1 UIC2 JIC2 RIC1 VIDEO OUT PCB TV ...

Page 32: ...6 2 CD 6 2 Samsung Electronics Block Diagrams ...

Page 33: ...6 3 Video CD Samsung Electronics 6 3 Block Diagrams ...

Page 34: ... CVIN DGND SCK ACB OSCIN OSCOUT CSB SIN P1 CLAMP IN A GND LPF AFCFIL 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 DIGITAL FILTER MODE CONTROL TIMING CONTROL NOISE SHAPER 5 LEVEL DAC RIGHT 5 LEVEL D...

Page 35: ... AMP FOCUS PHASE COMPENSATION TRACKING ERROR AMP WINDOW COMPARATOR TRACKING PHASE COMPENSATION MIROR AMP COMPA RATOR Samsung Electronics 6 5 KA9220 WIC01 CXD2500BQ WIC02 56 53 54 53 17 19 57 C 4M 58 C 16M 11 9 VCOI 8 VC00 20 PCO 19 FILO 18 FILO 22 CLTY 24 FR 26 ASYI 27 ASYO 28 ASYE 62 WFCK 63 SCOR 65 EXCK 64 SBSO 49 EMPH 67 SQCK 66 SQSO 3 MON 2 FSW 4 MD P 43 MD S 10 TEST NC FSTT XTAI XTAO XTSL VCK...

Page 36: ...PLL OLF LPF 45 0 90 Divide by four Ring counter Divide by 512 3 58 4 43 LATCH Countdown decoder Burst Plag Adjust PAL NTSC SWITCH PLA F F HSYNC Latch COLOR Diflerence and Luma Matrix B Y Clamp R Y Burst Flag B Y Burst Flag R Y SYNC B Y R Y Clamp Sync input Luma Clamp Chroma out Chroma in H Block Diagrams ...

Page 37: ...G10 G11 G12 G13 G14 G15 G16 VDD VPP S1 I O O O O O O O I I O I I O I O 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 EEPROM EEPROM EXPIC DATA OUT EEPROM CLOCK EEPROM CE MLATCH MICOM VCD EXPANDER CLOCK EXPANDER CHIP ENABLE A DECK SOLENOID MICOM VCD VCD MICOM VCD MICOM NO USE MICOM RESET NO USE NO USE 12MHz OSC IN 12MHz OSC OUT VCD MICOM MUSIC IN PORT in AMPS A DECK HALL SENSE A DECK TAPE ...

Page 38: ...DE B HALF B HALL F REC B SOL O O O O O O O O O O O O O O O O O O O I I I I O I O O I I I O O I I O O O I I I I I I I I I I I O VFD SEG2 VFD SEG3 VFD SEG4 VFD SEG5 VFD SEG6 VFD SEG7 VFD SEG8 VFD SEG9 VFD SEG10 VFD SEG11 VFD SEG12 VFD SEG13 VFD SEG14 VFD SEG15 VFD SEG16 DSP MUTE CD DSP SSP LATCH CD DSP SSP DATA CD DSP SSP CLOCK TRAY OPEN LIMIT SW TRAY CLOSE LIMIT SW FOCUS OK CONSTANT VELOCITY ON LDO...

Page 39: ... HI DUBBING MODE H CD OPERATION MODE L LINE MUTE CD AUDIO MUTE REC MODE L TUNER OPERATION MODE L SERIAL DATA OUTPUT EXPANDER DATA INPUT EXPANDER CLOCK INPUT EXPANDER STROVE CLEAR SIGNAL INPUT A DECK OPERATION MODE H A B PLAY MODE H DUBBING DB NR REC MUTE A B SELECTOR H DUBBING GND CD OUTPUT MUTE CD MUTE REC CD B SO EDATA ECLK ESTB CLR A MOTOR GND VIDEO ROM VIDEO EMPHA AB PLAYBACK VDD NO PORT I O O...

Page 40: ...7 PCB Diagrams 7 1 Cassette Deck 7 1 Samsung Electronics ...

Page 41: ...PCB Diagrams Samsung Electronics 7 2 ...

Page 42: ...7 1 1 Top View 7 2 CD 7 2 2 Bottom View 7 3 Samsung Electronics PCB Diagrams ...

Page 43: ...7 3 Video CD 7 3 1 Top View 7 3 2 Bottom View 7 3 3 Video SUB Samsung Electronics 7 4 PCB Diagrams ...

Page 44: ...am SW4 SW3 WCW1 WCW3 WCW2 WCW5 CFW2 1 CFW4 1 CFW1 1 CFW3 1 CFW4 1 DECK CFW1 2 DECK P B HEAD R P HEAD CDN1 CFW3 CCW1 CCW2 CFW3 CFW2 SW2 SW1 WCW4WCW6 SUB PCB VCDN1 VCDN2 VIDEO CD _AUDIO OUT PCB 8 1 Samsung Electronics ...

Page 45: ...9 Schematic Diagrams 9 1 Cassette Deck JIC1 DIC1 DIC2 DIC3 JIC2 UIC2 UIC4 9 1 Samsung Electronics ...

Page 46: ...9 2 Option Samsung Electronics 9 2 Schematic Diagrams ...

Page 47: ...9 3 CD 9 3 Samsung Electronics Schematic Diagrams 1 1 2 2 ...

Page 48: ...VEI1 AI1 EI1 MI1 RIC2 OI1 RI3 RI1 GI3 EI2 9 4 Video CD Samsung Electronics 9 4 Schematic Diagrams ...

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