Samsung MAX-670 Service Manual Download Page 48

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9-4 IC & TR Internal Diagrms

R20

R19

TR11

TR1 TR2

TR3

TR4

TR6

TR7

TR18

R16

TR8

TR9

10 11

R11

TR14

R17

TR19

TR20

R13

R15

TR17

R16

TR15

R10

TR12

TR13

R12

TR15

TR5

TR10

Vcc

10K

20K

100K

20K

30K

100K

10K

2.16K

10K

Switch Control

100K

2.16K

M62453SP : EIC1

STK4221-II : OIC1

9-4

Samsung Electronics

9-4-1 Amp and Tuner Section

Block Diagrams

Summary of Contents for MAX-670

Page 1: ...ms CD SYNCHRO DUBBING HIGH NORMAL RESET DOLBY NR COUNTER DOLBY B NR AUTO REVERSE AUTO REVERSE REC PLAY 2 PUSH EJECT 1PLAYBACK PUSH EJECT AI OFF 1 2 REPEAT REPEAT PROGRAM 1 2 3 4 5 6 EXTRA OPEN CLOSE MIC VOL MAX MIN PHONES POWER ON STAND BY BIO VCR AUX ECHO 1 2 OFF MIC EQ SBS RELAX LEVEL DSP SRS MULTI JOG VOLUME MIN MAX PASS POP ROCK JAZZ CLASSIC MUTE BAND TIMER CLOCK MEMORY PRESET SERVICEManual 6 ...

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: ...ic distortion Frequency range Usable sensitivity Signal to noise ratio Frequency 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 2 146 290KHz 1000µV 35dB 125Hz 12 5KHz 0 15 60dB 40dB 2 5 20Hz 20KHz 1dB 100dB 1kHz 0dB ...

Page 7: ...re removing the unit be sure to unplug 3 1 Amp and Tuner Section 3 1 1 Cabinet Top 1 Remove 9 screws holding the Cabinet Top 2 Remove the Cabinet Top in the direction of arrow FRONT BOTTOM REAR TOP 1 Figure 3 1 Samsung Electronics 3 1 ...

Page 8: ...1 Remove 7 screws holding the Cabinet Rear 2 Remove the Cabinet Rear in the direction of arrow 3 Remove the Main PCB in the direction of arrow Figure 3 2 3 2 Samsung Electronics REAR 1 MAIN PCB Disassembly and Reassembly ...

Page 9: ...3 1 3 Cabinet Front 1 Remove 3 screws holding the Cabinet Front 2 Remove the Cabinet Front from the Bottom 1 Figure 3 3 Samsung Electronics 3 3 Disassembly and Reassembly ...

Page 10: ... Samsung Electronics 3 2 Cassette Deck and CD Section 3 2 1 Cabinet Top 1 Remove 9 screws holding the Cabinet Top 2 Remove the Cabinet Top in the direction of arrow 1 FRONT BOTTOM REAR TOP Disassembly and Reassembly ...

Page 11: ...ment Output Voltmeter Oscilloscope FM S S G SET Output GND TVR2 TL2 TL1 TVR1 AM IF Adjustment Figure 4 3 AM Search Level Adjustment Figure 4 4 FM Search Level Adjustment FM S S G GND Oscilloscope VTVM 60 cm 30dB FM IN FM Antenna SET 5 kB AM Search Level Adjustment Figure 4 2 AM IF Level Adjustment AM S S G AM Antenna Terminal FM Search Level Adjustment Note Be sure to adjust the AM for Tuner Searc...

Page 12: ...Adjust Tape Speed Figure 4 5 Cassette Deck Frequency Counter Line Out TP1 Output LSR1R LSR1L JSR3R JSR2R JSR1R CSR1 TP3 CSR2 LL2 TP1 TP2 NOR SPEED Control counter HI SPEED Control OUT connected tothe frequency counter Same as above 1 A Deck MTT 111 2 Press PLAY SW button 3 B Deck Same as below 1 A Deck MTT 111 2 B Deck MTT 5512 3 Press Hi Speed dubbing switch Turn CSR1 2 to left and right Fixed Ch...

Page 13: ...t locations 1 2 AZIMUTH PlayBack out Level TP3 OUT VTVM is connected to the scope Same as above After putting MTT 114NA into Deck 2 1 Press FWD PLAY button 2 Press REV PLAY button PLAY MTT 150 on Deck2 1 Turnthecontrolknob toleftandrightasshown intheFigure4 6 2 Adjusttheright controlscrewto playback Rev Mode L CH TurnJSR2Rto therightandleft R CH Fixed 1 2 1 Adjust 1 Deck Replay Level 2 Adjust 2 De...

Page 14: ...d adjust the waveform so that its middle comes to GND of the oscilloscope or until the upper half of waveform becomes symmetrical to the bottom half A B 8 Adjust WVR1 arrow for normal sound VOLT DIV 0 1V TIME DIV 2mS VOLT DIV 0 1V TIME DIV 2mS VOLT DIV 0 1V TIME DIV 2mS Normal Frequency Low Frequency High Fequency 4 3 3 To Adjust Focus Gain PLAY mode 1 Connect the GND terminal of the oscilloscope ...

Page 15: ...portional 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 inversion 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 pin7 changes the phase compens...

Page 16: ...een pin 15 and 16 attenuates the high frequency when TG2 is off The maximum frequency of tracking phase compensation is inversely proportional to the resistance connected to pin 7 about 1 2kHz at 470k The tracking jump FWD and REV is decided when TM3 and TM4 are ON and the peak voltage induced from tracing coil is decided by the both TM3 and TM4 current values and feed back resistance of pin 47 Tr...

Page 17: ...B UQ1 Check the Main PCB RD3 RZD4 PC11 PR33 PR9 PR10 PC12 Check the Power PCB PIC2 PR4 3 X RF3 4 T2A 250V Main PCB UIC5 78L05 IN 8V Input voltage normal O X Replace UIC5 Does UX2 12MHz oscillate O O At the base of Main PCB PQ3 Base High Display Replace µ com X X O Front PCB When the power is ON H displays at pin no 84 5V Connect Front PCB and Main PCB Check the connector Main PCB Wafer CCW2 CMW2 O...

Page 18: ...RONT PCB FLT X Check Main PCB Front PCB connection and the voltage of CCW2 pins19 20 AC 5V O Check voltage at UIC1 pin no 48 36V X Check the voltage of PZD2 36V Reinsert the connector Replace UIC1 6 2 Samsung Electronics Troubleshooting 6 1 2 F L T Malfunction ...

Page 19: ...r TR short Replace it Remove it with Remocon O X Check if the output line is short X X X B 0 3V Check the mute circuit OQ1 KSR2003 base B 0V X Replace OD8 Replace OQ1 O OQ4 OQ2 Base B O Headphone jack Short Replace Headphone jack X soldering condition O Front PCB µ com pin no 5 Check the H Replace µ com X Samsung Electronics 6 3 Troubleshooting 6 1 3 No Output ...

Page 20: ...e Main PCB CSW1 X Main PCB RIC4 BA7805 IN 5V Input voltage normal O X Replace RIC4 Does UX2 12MHz oscillope O Main PCB Check µ com vpp pin no 48 Check the Power PCB RD1 RD2 IN5392 At the base of Main PCB RFS1 2 T2A 250V X Replace UIC1 6 4 Samsung Electronics 6 2 The Deck Section 6 2 1 Power Malfunction Troubleshooting ...

Page 21: ...T PCB FLT X Check Main PCB Front PCB connection and the voltage of CCW2 pins1 2 AC 5V O Check voltage at UIC1 pin no 48 36V X Check the voltage at pin no 8 of CSW1 Reinsert the connector Replace UIC1 Samsung Electronics 6 5 6 2 2 F L T Malfunction Troubleshooting ...

Page 22: ...2V O O O Check signal of pin no 43 45 of JIC1 Replace JIC1 X X X X Check B of pin no 10 of DIC1 X Check RIC3 KA7812 IN 15V OUT 12V Replace RQ4 O Check signal of pin no 1 2 of JIC1 Check signal of pin no 3 13V of DIC1 Check B 10V of pin no 22 of JIC1 6 6 Samsung Electronics 6 2 3 No Output Troubleshooting ...

Page 23: ...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 Samsung Electronics 6 7 Troubleshooting 6 3 CD Section 6 3 1 Load Operation ...

Page 24: ...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 6 8 Samsung Electronics Troubleshooting 6 3 2 Unload Operation ...

Page 25: ...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 6 3 3 Open Operation Troubleshooting Samsung Electronics 6 9 ...

Page 26: ... 1 2 3 4 5 6 7 8 9 9 20 21 24 23 25 27 28 29 11 12 14 15 16 13 17 19 22 PCB FRONT PCB MAIN 32 SOUND LAST MEMORY MENU SINGLE STEP SLOW 7 1 1 Amp and Tuner Exploded View 7 1 Amp and Tuner Section 7 Exploded Views and Parts List ...

Page 27: ...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 AH64 30358C AH95 50001A AH61 80030A AH61 20369B AH64 40362C AH64 70003B AH64 50309B AH64 40359A AH69 20031A AH67 10115A 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 AH61 20370B AH91 60104A AH61 20057A A...

Page 28: ...tte Deck and CD Exploded View 7 2 Cassette Deck and CD Section Exploded Views and Parts List 1 2 2 3 3 4 5 6 7 8 9 9 10 21 30 31 32 33 34 35 22 23 24 25 26 27 28 29 11 12 12 14 13 15 17 19 18 20 PCB FRONT PCB FRONT PCB FRONT PCB MAIN 16 ...

Page 29: ...st 1 1 4 4 4 4 5 5 6 6 7 7 7 7 9 9 10 10 21 21 23 23 24 24 25 25 26 26 27 27 29 29 11 11 13 13 14 14 15 15 16 16 17 17 18 18 19 19 12 12 1 1 2 2 4 4 4 4 5 5 6 6 7 7 7 7 9 9 10 10 21 21 22 22 24 24 25 25 26 26 27 27 28 28 29 11 11 13 13 14 15 15 16 16 17 17 18 18 19 19 12 12 28A 28A 3 3 ...

Page 30: ...1 00 LB9051A 22 070 4046 00 S5BEH 00 S3BEH 02 084 4128 17159 0037 00 17159 0038 00 10000 503 004 10000 524 023 10000 524 024 10000 611 009 10000 611 010 10000 611 012 10000 611 057 10000 611 017 10000 611 018 10000 611 021 10000 611 022 10000 611 063 10000 611 064 10000 611 065 10000 611 028 10000 611 029 10000 611 030 10000 611 031 10000 611 066 10000 611 035 10000 611 048 10000 611 051 10000 611...

Page 31: ...3 IC OP AMP 4560 SOP 8P 150MIL DUAL 1 12119 401 300 PIC2 1203 000110 IC NEGA FIXED REG 7912 TO 220 3P 12109 401 700 PIC3 1203 000242 IC POSI FIXED REG 7812 TO 220 3P 12109 401 690 PIC1 1203 000294 IC POSI FIXED REG 7808 TO 220 3P 12109 401 730 FIC1 1204 000235 IC VOLUME CONTROL TDA7318 SOP 28P B4008 1199 PR1 1 PR2 2 PR3 3 PR4 4 13954 100 310 CERAMIC PIPE PI1 4 15MM WHT ER3 10 2001 000008 R CARBON ...

Page 32: ...0 FR1 4 5 7 16 17 ER32 DR18 19 21 22 TR30 2007 000518 R CHIP 2 7KOHM 5 1 10W DA TP 2012 11119 101 272 TR27 65 2007 000572 R CHIP 220OHM 5 1 10W DA TP 2012 11119 101 221 TR32 33 ER35 2007 000586 R CHIP 22KOHM 5 1 10W DA TP 2012 11119 101 223 TR37 2007 000593 R CHIP 22OHM 5 1 10W DA TP 2012 11119 101 220 TR55 38 ER16 17 2007 000686 R CHIP 3 3KOHM 5 1 10W DA TP 2012 11119 101 332 ER25 30 FR9 10 TR45 ...

Page 33: ...13 2203 001551 C CERAMIC CHIP 1 5NF 10 50V X7R 20 TC17 2203 001611 C CERAMIC CHIP 22PF 5 50V NPO 2012 EC4 2301 000449 C FILM PEF 47NF 10 50V 8X11X4 5MM EC7 17 TC12 27 2401 000419 C AL 10UF 20 16V GP 5X11 5 TC33 2401 000438 C AL 10UF 20 25V GP 5 11 2MM 11608 104 103 EC28 29 2401 000459 C AL 10UF 20 35V GP 5 7 2MM TP 11608 155 103 TC24 2401 000795 C AL 220UF 20 16V GP 8X11 5 3 5MM PC12 TC45 2401 001...

Page 34: ...52305 51044 2 EW1 AH39 20542A LEAD CONNECTOR ASSY 5264 51088 8P VW1 AH39 20543A LEAD CONNECTOR ASSY 5264 51088 10 TO CHASSIS ANT AH39 50001H LEAD FASTEN RING 1007 24 100MM BLK 13059 201 103 FEDP AH40 10025A TUNER FM FTA4 551H 4G 75OHM AH62 30060A HEAT SINK CD AL T1 0 SCM 70 15684 505 820 HEATSINK AH62 30064D HEAT SINK DAT7000 AL ANODIZING BL 15684 509 730 AH62 30100A HEAT SINK M ALS MAX670R AH62 3...

Page 35: ...00 R CARBON 82KOHM 5 1 8W AA TP 1 8X3 11018 877 823 OR25 26 2001 001088 R CARBON S 1KOHM 5 1 2W AA TP 2 4 11018 377 102 OR18 19 20 21 2001 001144 R CARBON S 4 7KOHM 5 1 2W AA TP 2 11018 377 472 OR22 23 2003 000690 R METAL OXIDE S 4 7OHM 5 2W AA TP 11048 577 479 OR35 2007 000300 R CHIP 10KOHM 5 1 10W DA TP 2012 11119 101 103 OR9 2007 000355 R CHIP 12KOHM 5 1 10W DA TP 2012 11119 101 123 OR7 15 2007...

Page 36: ...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 000660 R CARBON 33OHM 5 1 8W AA TP 1 8X3 11018 877 333 UR20 32 UJW15 2001 000734 R CARBON 4 7KOHM 5 1 8W AA TP 1 8X 11018 877 472 UR33 2001 000890 R CARBON 6 8K...

Page 37: ... 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 502 350 USW1 2 3 4 5 6 7 8 3404 000165 SWITCH TACT 12V 50MA...

Page 38: ...L PNP 1W TO 92L TP RQ2 7 0502 000424 TR POWER 2SB1566 F PNP 2W TO 220FN B4052 0086 RQ3 0502 000425 TR POWER 2SD2395 F NPN 2W TO 220FN B4052 0087 CQ2 4 7 9 0504 000118 TR DIGITAL NPN 300MW 22K 22K TO 9 12159 301 780 DQ1L 1R UQ8 DQ2 UQ9 JQ4L 4R DQ6L 6R 0504 000122 TR DIGITAL NPN 300MW 4 7K TO 92 T 12159 301 790 JQ5 DQ3 4 7 8 0504 001003 TR DIGITAL KSR2003 PNP 300MW 22K 22 JQ2L 2R 0505 000197 FET SIL...

Page 39: ...7 562 DR5L 5R 1L 11 LR2 2001 000857 R CARBON 560OHM 5 1 8W AA TP 1 8X3 11018 877 561 JR28 2001 000869 R CARBON 56OHM 5 1 8W AA TP 1 8X3 11018 877 560 JR22L 22R 2001 000890 R CARBON 6 8KOHM 5 1 8W AA TP 1 8X 11018 877 682 UR6 2001 000894 R CARBON 6 8OHM 5 1 8W AA TP 1 8X3 11018 877 689 RR5 2001 000975 R CARBON 8 2KOHM 5 1 4W AA TP 2 4X 11018 277 822 JR10L 11L 2001 000977 R CARBON 8 2KOHM 5 1 8W AA ...

Page 40: ...L 470UF 20 16V GP 10X12MM 5MM T 11608 103 471 JC14 2401 001465 C AL 47UF 20 10V GP 5 11 2MM 11608 102 473 DC7 8 UC1 2401 001645 C AL 680NF 20 50V GP 5 11 2MM 11608 106 688 JC20 DC14 15 CC1 2401 001895 C AL 100UF 20 16V GP 6 3X11MM 2 5M UC9 DC16 JC23 2401 001912 C AL 1UF 20 50V GP 5X11MM 2MM BK JC24L 24R DC13L 13R 2401 001954 C AL 4 7UF 20 50V GP 5X11MM 5 TP RC2 2401 001959 C AL 4700UF 20 25V GP 18...

Page 41: ...11018 877 103 UR11 14 16 17 105 108 2001 000362 R CARBON 150OHM 5 1 8W AA TP 1 8X3 11018 877 151 UR106 107 60 UR12 13 15 18 109 110 2001 000405 R CARBON 180OHM 5 1 8W AA TP 1 8X3 UR111 112 61 UR32 40 26 2001 000429 R CARBON 1KOHM 5 1 8W AA TP 1 8X3 11018 877 102 UR36 44 2001 000449 R CARBON 2 2KOHM 5 1 8W AA TP 1 8X 11018 877 222 UR45 59 2001 000472 R CARBON 2 7KOHM 5 1 8W AA TP 1 8X 11018 877 272...

Page 42: ...710U 16BIT SOP B4012 0381 WIC03 1003 000179 IC MOTOR DRIVER KA9258D SOP 28P S XIC02 1201 000214 IC OP AMP 2100 SOP 8P DUAL 80V MV B4008 1206 WIC01 1204 001041 IC ASP KA9220B QFP 80P PLASTIC 6V WJW1 2 3 4 5 6 8 WR20 2007 000029 R CHIP 0OHM 5 1 10W DA TP 2012 11119 101 000 WR1 2007 000068 R CHIP 470KOHM 5 1 10W DA TP 2012 11119 101 474 XR2L 2R 2007 000267 R CHIP 1 8KOHM 5 1 10W DA TP 2012 11119 101 ...

Page 43: ...SL 20 XC6L 6R 2203 001036 C CERAMIC CHIP 5 6NF 10 50V X7R 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 XC7L 7R 2203 001230 C CERAMIC CHIP 820PF 5 50V NPO 201 A1100 0760 WC25 2203 001256 C CERAMIC CHIP 8PF 0 25PF 50V NPO 2 WC27 2203 001537 C CERAMIC CHIP 1NF 10 50V X7R 2012 WC29 2203 001551 C CERAMIC CHIP 1 5NF...

Page 44: ......

Page 45: ...9 Block Diagrams 9 1 Amp and Tuner Samsung Electronics 9 1 ...

Page 46: ...DIC2 DIC1 JIC1 KL1L UIC1 UIC2 JIC2 RIC1 9 2 Cassette Deck 9 2 Samsung Electronics Block Diagrams ...

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

Page 48: ...3 R13 R15 TR17 R4 C5 R16 TR15 22 R10 21 20 19 TR12 TR13 R12 C2 TR15 TR5 TR10 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 5K Vcc 5K 3K 10K 20K 3K 100K 20K 20K 30K 30K 30K 30K 30K 30K 30K 100K 10K 5K 10K 10K 10K 10K 10K 10K 5K 10K 2 16K 10K 10K Switch Control 100K 2 16K M62453SP EIC1 STK4221 II OIC1 9 4 Samsung Electronics 9 4 1 Amp and Tuner Section Block Diagrams ...

Page 49: ...OMP VCC AM FM SW VCC PHASE DET PILOT DET FF FF FF STEREO DRIVE TRIG MUTE STERO SW DECODER PM AM 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 MICMIX SW DMIX SW ON OFF 1 2 Vcc VOL SEL PHASE SEL LA1836 TIC1 M65846FP DIC1 Samsung Electronics 9 5 Block Diag...

Page 50: ...R OUT L IN L 17 16 19 18 BOUT L BIN L TREBLE L 4 SPKR ATT MUTE SPKR ATT MUTE 25 23 28 27 26 24 22 21 20 5 VOL BASS TREBLE SPKR ATT MUTE 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 FIC1 9 6 Samsung Electronics Block Diagrams ...

Page 51: ...0 B EQ 70 120 SPEED NS HS A B ALC REC Mute PB Mute AMS OUT AMS T AMS NF AMSLPF BIAS Ucc REC L REC R BR BL AR AL REF GND N C BPF L NF NFL2 NFL1 REC L NF REC L IN BPF R NF MFR2 MFR1 REC R NF REC R IN ALC T ALC L OUT ALC R OUT DET ALCRIN ALCLIN N C PBR OUT PBL OUT EOR NFR PREGND EQL NFL AR BR AL BL 1 3Ucc 70 120 NS HS TYPE I II IV HS NS DATA CLK STB CLK P1 P2 P3 P4 P5 P15 P16 SO Controller Circuit Sh...

Page 52: ...SWITCH VOLTAGE REGULATOR 8 REC IN1 PB 1N1 6 PB OUT1 3 GAIN FACTOR RMS DETECTOR VCA HPF 1 16 15 5 2 9 11 REC IN2 PB IN2 REC OUT2 14 PB OUT2 RIPPLE FILTER R CONST RIPPLE FILTER REC OUT1 10 3 OUT1 OUT2 VCC1 1 IN 1 Fin 11 2 IN 2 12 6 VZ1 VZ2 IN3 5 IN4 8 7 VCC2 9 4 OUT3 OUT4 Input Logic Input Logic Pre Driver Pre Driver Block Diagrams ...

Page 53: ...Samsung Electronics 9 9 Block Diagrams MC14066 DIC2 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 ...

Page 54: ... 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 KA9258 WIC03 NJM2100M OP AMP XIC02 1 2 3 TR 1 2 3 B564 E B C A928 E C B 9 10 Samsung Electronics 9 4 3 CD Section Block Diagrams ...

Page 55: ...OQP 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 DEFECT AMP COMPARATOR ARC AMP RF AMP FOCUS ERROR AMP FOCUS PHASE COMPENSATION TRACKING ERROR AMP WINDOW COMPARATOR TRACKING PHASE COMPENSATION MIROR AMP COMPA RATOR KA9220 ASSP WIC01 PCM1701U D A CONVERTOR IC XIC01 Sam...

Page 56: ...SS CENERATOR DIGITAL OUTPUT MODE SELECTOR CPU INTERFACE TRACK COUNTER X TAL TIMING OSCILATOR INTERPOLATOR CLV SERVO FRAME SYNC DETECTOR PROTECTOR INSERTOR EFN1 APDO2 APDO1 SOCK SODT SDAT SBGK SOS1 VCOLO1 CONTVOL DPFIN DPFOUT DPDO SMEF SMON SMDP SMSD LOCX XOUT XIN MDAT MCK MLT DSPEED CNIN ISTAT DSPEED SEL1 SEL2 SEL3 SEL4 TEST C2P0 ADATA2 ADATA1 LRCH1 LRCH2 DATX EFM DEMODULATOR KS9283 DSP WIC02 9 12...

Page 57: ...JOGDN MICIN Z_SENSE P_SENSE P_TUNED REMOCON T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 O O O O O O O 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 VOLUME LED VOLUME DOWN VOLUME UP A MUTE MIC ON OFF CE LC72131 DATA OUT LC72131 TDA7318 CLK LC72131 TDA7318 DATA LC72131 KEY IN A D INPUT KEY IN A D INPUT KEY IN A D INPUT EQ IN A D INPUT JOG IN UP OPTION IN JOG IN DOWN MIC IN SE...

Page 58: ...SYS_DI SYS_CLK LEV_LED REX_LED SBS_LED REX_LED EQ_LED POWER SRS_ON DSP_CE DSP_CLK DSP_DO REX_BUSY SYS_CE ST_IN SW_BC SW_A KEY_CE JOG_LED 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 I O O O O O O O O O O O I O I O O O O SEGMENT 0 SEGMENT 1 SEGMENT 2 SEGMENT 3 SEGMENT 4 SEGMENT 5 SEGMENT 6 SEGMENT 7 SEGMENT 8 SEGMENT 9 SEGMENT 10 SEGMENT 11 SEGMENT 12 SEGMENT 13 SEGMENT 14 SEGMENT 15 BA3...

Page 59: ...5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 G16 VDD VPP S1 I O O O O O O O I I O I O 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 EEPROM DATA IN EEPROM EXPIC DATA OUT EEPROM CLOCK EEPROM CHIP ENABLE EXPANDER CLOCK EXPANDER CHIP ENABLE A DECK SOLENOID V CD PORT V CD PORT V CD PORT NO USE MICOM RESET NO USE NO USE 12MHZ OSC IN 12MHZ OSC OUT V CD º PORT MUSIC IN PORT in AMPS A DECK HALL SENSE A ...

Page 60: ...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 II I I I I I I O VFD SEG 2 VFD SEG 3 VFD SEG 4 VFD SEG 5 VFD SEG 6 VFD SEG 7 VFD SEG 8 VFD SEG 9 VFD SEG 10 VFD SEG 11 VFD SEG 12 VFD SEG 13 VFD SEG 14 VFD SEG 15 VFD SEG 16 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 LDON XRST SUB Q DATA INPUT SUB...

Page 61: ...LBU NR ON MODE L REC MUTE ON MODE H A DECK MODE L HI DUBBING MODE H CD PLAY MODE L LINE MUTE CD AUDIO MUTE REC MODE L TUNER PLAY MODE L SERIAL DATA OUTPUT EXPANDER DATA INPUT EXPANDER CLOCK INPUT EXPANDER STROVE CLEAR SIGNAL INPUT A DECK PLAY MODE H V CD PORT V CD PORT V CD PORT V CD PORT A B PLAY MODE H ACTIVE L ACTIVE L ACTIVE H ACTIVE H ACTIVE H ACTIVE L ACTIVE H ACTIVE H ACTIVE L ACTIVE L ACTI...

Page 62: ... DISC LED 3 DISC LED EXTRA LED A REV PLAY LED A FWD PLAY LED CD SYNC LED REC LED B REV PLAY LED B FWD PLAY LED SERIAL DATA OUTPUT EXPANDER DATA INPUT EXPANDER CLOCK INPUT EXPANDER STROBE CLEAR SIGNAL INPUT NO USE B DECK PLAY MODE H CD PLAY LED 4 DISC LED 5 DISC LED 6 DISC LED ACTIVE L ACTIVE L ACTIVE L ACTIVE L ACTIVE H ACTIVE H ACTIVE L ACTIVE L ACTIVE H ACTIVE H ACTIVE H ACTIVE H ACTIVE L ACTIVE...

Page 63: ...10 1 Samsung Electronics 10 PCB Diagrams 10 1 Amp and Tuner Section 10 1 1 Main ...

Page 64: ...Samsung Electronics 10 2 PCB Diagrams ...

Page 65: ...10 3 Samsung Electronics PCB Diagrams 10 1 2 Front ...

Page 66: ...Samsung Electronics 10 4 PCB Diagrams 10 2 Cassette Deck and CD Section 10 2 1 Cassette Deck ...

Page 67: ...10 5 Samsung Electronics PCB Diagrams ...

Page 68: ...Samsung Electronics 10 6 10 2 2 Front 10 2 3 6 1 Key 10 2 4 Tape Key PCB Diagrams ...

Page 69: ...10 3 3 SUB 10 7 Samsunge Electronics 10 3 CD 10 3 1 Top View 10 3 2 Bottom View PCB Diagrams ...

Page 70: ...11 1 Samsung Electronics 11 Wiring Diagrams 11 1 Amp and Tuner Section RSW1 RCW1 VW1 EW1 RCW1 RSW1 SPK JACK PJACK2 PJACK1 ECW1 VCW2 ZCW1 CMW2 CMW1 CCW1 CCW2 ...

Page 71: ...ung Electronics 11 2 11 2 Cassette Deck and CD Section 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 Wiring Diagrams ...

Page 72: ...FIC1 12 1 Samsung Electronics 12 Schematic Diagrams 12 1 Amp and Tuner Section 12 1 1 Main ...

Page 73: ...UIC1 UIC2 UIC3 Samsung Electronics 12 2 12 1 2 Front Schematic Diagrams ...

Page 74: ...JIC2 12 3 Samsung Electronics 12 2 Cassette Deck Section Schematic Diagrams ...

Page 75: ...Samsung Electronics 12 4 12 3 CD Schematic Diagrams 1 1 3 2 2 3 ...

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Samsung MAX-670, Service Manual

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