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Samsung CXJ2512X/XAA Service Manual

Television video cassette recorder
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Television Video Cassette Recorder
Television Video Cassette Recorder
Chassis :
V51A
Model:
CXJ2512X/XAA
1.
2.
3.
Alignment and Adjustment (VCR)
4.
5.
6.
7.
8.
9.
10.
11.
CXJ2512X/XAC
CONTENTS

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Summary of Contents for Samsung CXJ2512X/XAA

  • Page 1: Table Of Contents

    Television Video Cassette Recorder Chassis : V51A Model: CXJ2512X/XAA CXJ2512X/XAC Television Video Cassette Recorder CONTENTS Precautions Specifications Alignment and Adjustment (VCR) Alignment and Adjustment (TV) Timing Chart Troubleshooting Exploded View and Parts List Electrical Parts List Block Diagram Wiring Diagram...
  • Page 2 ELECTRONICS © Samsung Electronics Co., Ltd. AUG. 1999 Printed in Korea 3V51A-2501...

  • Page 3: Precautions

    Heed the high voltage limits. These include not exceed 0.5 milliamp. Reverse the power- the XÐray Protection Specifications Label, and plug prongs in the AC outlet and repeat the the Product Safety and X-ray Warning Note on test. the service data schematic. Samsung Electronics...
  • Page 4 14. Components, parts and wiring that appear to have overheated or that are otherwise damaged should be replaced with parts that meet the original specifications. Always determine the cause of damage or overheating, and correct any potential hazards. Samsung Electronics...
  • Page 5 Make sure that the portion around 8. Always connect a test instrumentÕs ground the serviced part has not been damaged. lead to the instrument chassis ground before connecting the positive lead; always remove the instrumentÕs ground lead last. Samsung Electronics...
  • Page 6 4. Do not use freon-propelled chemicals. These unpackaged replacement ESDs. Motions such can generate electrical charges that damage as brushing clothes together, or lifting a foot ESDs. from a carpeted floor can generate enough static electricity to damage an ESD. Samsung Electronics...

  • Page 7: Specifications

    VHF,UHF one input 75 ohm unbalanced Power Requirement 120V AC, 60Hz Power Consumption 25 Inch : Approx. 110 watts wh Operating Temperature 41°F - 104°F (5°C - 40°C) Operating Humidity 10%-75% Equipment specifications are subject to change without notice. Samsung Electronics...
  • Page 8 MEMO Samsung Electronics...

  • Page 9: Alignment And Adjustment (Tv)

    Fig. 3-1 Parts Locations of transport system FE HEAD CYLINDER ASS'Y PINCH ROLLER GUIDE ROLLER "S" GUIDE ROLLER "T" POST TENSION #8 GUIDE POST #9 GUIDE POST MAIN BASE ACE HEAD CAPSTAN SHAFT #3 GUIDE POST Fig. 3-2 Vertical section of tape transport system Samsung Electronics...
  • Page 10 Test Tape : Color bar (1 KHz) LOCKING Lion pattern(7 KHz) Fig. 3-4 Location of A/C Head Adjustment Screw AUDIO HEAD VIDEO HEAD 0 ~ 0 .25 mm CONTROL HEAD Fig. 3-5 A/C Head Height Adjustment Fig. 3-3 Samsung Electronics...
  • Page 11 1. Load alignment tape (Mono Scope) and play back a 7KHz signal. 2. Connect Ch1 scope probe to JM119(A-OUT). 3. Adjust A/C head azimuth adjustment screw B for maximum audio output level (see Fig. 3-4). Fig. 3-7 Test Point Position (Main PCB : Parts) Samsung Electronics...
  • Page 12 = Minimum output of the video RF envelope at the center point d = Maximum output of the video RF envelope at the exit side Fig. 3-9 Control Pulse Adjustment a b c d c,b,d/a Fig. 3-11 Envelope Waveform Adjustment Samsung Electronics...
  • Page 13 10. After completing the adjustments, tighten the (Fig. 3-13). set screw. IDEAL ENVELOPE S HEIGHT S HEIGHT T HEIGHT T HEIGHT TOO HIGH TOO LOW TOO HIGH TOO LOW GUIDE ROLLER T GUIDE ROLLER S Fig. 3-14 S, T-Guide Roller Height Adjustment Samsung Electronics...
  • Page 14 2. If excessive tape wrinkle is observed during the above modes, do the following adjustments : If tape wrinkle occurs at S, T-guide rollers, do a linearity adjustment. If tape wrinkle exists at the tape guide flange, do an A/C head assembly adjustment. Samsung Electronics...
  • Page 15 AssÕy). Note : If the spec. does not meet the followings specifications, replace the holder clutch assÕy and then recheck. MODE TORQUE g/cm GAUGE NTSC 82.5 ± 27.5 Cassette Torquemeter 79 ± 27 145 ± 30 Cassette Torquemeter Samsung Electronics...
  • Page 16 Fig. 3-19 Tension Pole and Back Tension Adjustment Note : 1. Mark on Main Base is located in about 1.3mm from inside of bending line. 2. Be careful not to deform the region of adjusting on Main Base up and down at adjusting. Samsung Electronics...
  • Page 17 2. Connect the oscilloscope CH1 to EYM03 (HÕD) and CH2 to EYM11 (V.OUT) 3. Set the oscilloscope sync to CH1, and adjust VRM601 for 6.5H ± 0.5H waveform as shown in the figure. SW30Hz SWITCHING POINT PULSE VIDEO 6.5H 0.5H OUTPUT Fig. 3-21 Fig. 3-20 Samsung Electronics...
  • Page 18 MEMO 3-10 Samsung Electronics...

  • Page 19: Alignment And Adjustment (Tv

    MUTE ® 1 ® 8 ® 2 ® POWER ÒFactory Mode MenuÓ is displayed SVC, MUTE PICTURE CONTROL Example for ÒVCOÓ : Use the CH down key to select VCO, and use the Volume + (or VOL - key) to change the data. VCO 45 Samsung Electronics...
  • Page 20 4. When the VOLUME + key is pressed in the EEPROM mode, all of the Òuser- adjustedÓ data is reset to the factory-preset values. 5. The ACS/V-CHIP mode is available only in USA and CANADA. So set ACS/V-CHIP ON only for those two countries. Samsung Electronics...
  • Page 21 4-1-7 Sub-Tint Adjustment 1. After adjusting the low-light, input a high-light pattern. 1. Set sub-tint to step 27. 2. Adjust GG, BG in the Factory Mode. 4-1-8 Sub-Color Adjustment 3. Recheck in low-light. 1. Set sub-Color to step 5. Samsung Electronics...
  • Page 22 DISPLAY, 6, 1, 4, POWER ON). 3. Adjust VA so that both the top and bottom of the screen are 3.5. If the top and bottom values are not equal, adjust so that the sum of the two values is 7.0. Samsung Electronics...
  • Page 23 Contrast controls to minimum (zero beam current). 3. The high voltage should be 28KV ~ 33kV 4. Rotate the Brightness control to both extremes. Ensure that the high voltage does not exceed the 30KV limit under any conditions. Samsung Electronics...
  • Page 24 Slowly withdraw the coil to a distance of about 6 feet before turning the TV OFF or disconnecting it from the AC source. If color shading still persists, do the following Color Purity and Convergence adjustments. Samsung Electronics...
  • Page 25 LOCATION Fig. 4-5 Tube Assembly 2 POLE PURITY ADJUST THE ANGLE (VERTICAL LINES) FIXED YOKE CLAMP SCREW 6 POLE CONVERGENCE ROTATE TWO TABS 4 POLE AT THE SAME TIME CONVERGENCE (HORIZONTAL LINES) Fig. 4-6 Purity and Convergence Magnets Samsung Electronics...
  • Page 26 4-pole and 6-pole magnets interact, the dot superimpose red and blue vertical lines in the movement is complex. center area of the picture screen. RED/BLUE GREEN BLUE BLUE RED/BLUE GREEN 6-Pole Magnet Movement 4-Pole Magnet Movement Fig. 4-7 Center Convergence Adjustment Samsung Electronics...
  • Page 27 This will hold the yoke temporarily in place. B G R R G B B G R R G B Incline the Yoke Right (or Left) Incline the Yoke Up (or Down) Fig. 4-8 Circumference Convergence Adjustment Samsung Electronics...
  • Page 28 MEMO 4-10 Samsung Electronics...

  • Page 29: Timing Chart

    Reverse Picture Search, Reverse SLOW PLAY Play, Rec, F-PS, Still, SLOW, F-ADV STOP1 Stop (Play position 5 Min, over) STOP2 (MAIN Break ON MODE) FF/REV1 High speed Rew, Low speed FF FF/REV2 High speed FF, Low speed REW Samsung Electronics...
  • Page 30 MEMO Samsung Electronics...

  • Page 31: Troubleshooting

    26 and the V-Sync of pin 27 Check/Replace IC901 Normal Check Abnormal IC901 Pin 17 (High when power On) Check/Replace IC902 Normal Abnormal Check the voltage of Q809 coil pin Check/Replace Q809 Normal Check the voltage of tuner Samsung Electronics...
  • Page 32 IC200 Pin 29 of Q809 Normal Abnormal Check Abnormal Check/Replace Check the voltage the voltages of CRT Drive F/S circuit of Tuner (220V) Normal Abnormal Normal Check the signal Check/Replace Check the voltage input to CRT cathode of Tuner Samsung Electronics...
  • Page 33 Abnormal the signal input Check Q601 to IC601 Pin 3 Normal Normal Check/Replace IC601 Abnormal Check Check 16.5V the V input to IC601 Normal Abnormal Normal Check the signal Check/Replace Check/Replace output from IC601 Pin 2 Speaker IC601 Samsung Electronics...
  • Page 34 Normal Check/Replace DY or FBT 6-5 No Color Check the Abnormal Abnormal signal input to IC200 Check Q202, IC200. Check IC200 Pin 45 Normal Abnormal Check Check C213, X201 IC200 Pin 12 Normal Check IC200 Samsung Electronics...
  • Page 35 Abnormal Check the A.EE/PB/REC Abnormal Line and D.REC Line (ICM601 78, 94 Pin Check) Abnormal Check the PC 5V Check the PC 5V line of ICM301 Pin 75 Normal Abnormal Check AC head Replace ICM301 line and CNM501 Samsung Electronics...
  • Page 36 QM501, base voltage is high Abnormal Replace QM501 Check the D.REC Check if Abnormal Normal terminal line the PC 5V is applied to (ICM601 Pin 78) FLM501 Pin 2 Normal Check the PC 5V line Replace FLM501 Samsung Electronics...
  • Page 37 Check the rotation doesn't Rotate" of capstan Normal Abnormal Check PTM602, PTM601, Check ICM601 T-Reel takeup sensor Pin 84, 85 Normal Check Stop Mode Check the ICM601 Pin 4, 5, 6 loading motor ( PROG, SW) Normal Replace ICM601 Samsung Electronics...
  • Page 38 6-10 ”FF” Doesn’t Operate Insert a tape and operate "FF" Check Stop Refer to "Deck doesn't ICM601 Pin 4, 5, 6 operate during Playback (PROG.SW) Normal Check Abnormal Refer to the rotation of "Capstan doesn't rotate" capstan Normal Check the Deck. Samsung Electronics...
  • Page 39 Check Abnormal Check Abnormal the control pulse Readjust the height if the noise bar is fixed of ICM601 Pin 37 of A/C head Normal Normal Check the B + Check/Replace ICM601 Capstan Motor Normal Check the capstan motor Samsung Electronics...
  • Page 40 Replace ICM601 Check Abnormal Abnormal the control pulse Readjust the height Check for noise bar of ICM601 Pin 37 of A/C head Normal Normal Check the B + Check/Replace ICM601 Capstan Motor Normal Check the capstan motor 6-10 Samsung Electronics...
  • Page 41 ICM601 Pin 18 : LOW Normal Check the B + terminal Abnormal Check the voltage of of loading motor ICM603 (PC 9V) Normal Abnormal Check of ICM603 Replace ICM603 Normal Check ICM601 Pin 4, 5, 6 Normal Check/Replace the loading motor Samsung Electronics 6-11...
  • Page 42 Check Abnormal Abnormal Check CNM201 the capstan PWM CTL Replace ICM601 Pin 4 (2.5V) at ICM601 Pin 25 Normal Check Abnormal Check the AL (5V) the voltage of CNM201 Pin 8 (5V) Normal Check the capstan motor 6-12 Samsung Electronics...
  • Page 43 Check the voltage the rotation speed the PWM at ICM601 of ICM601 Pin 22, 15, 41 of cylinder Pin 26 (Slow) Normal Normal Check Abnormal Replace XTM601 Check XTM601 (10MHz) XTM601 (10Mhz) Normal Check the cylinder motor Samsung Electronics 6-13...
  • Page 44 Replace ICM301 Check Abnormal Check the output of video the video signal at signal at CM305 ICM301 PIn 25 Normal Check Abnormal the video output Replace ICM301 signal at ICM301 Pin 35 Normal Check IC201 neighbor circuits 6-14 Samsung Electronics...
  • Page 45 Check Abnormal Abnormal Check the high voltage of ICM301 Pin 66 has the the high voltage of ICM301 ICM601 Pin 78 (D-REC) FM video signal Pin 16 (High) Normal Normal Check the video Replace ICM301 head (DRUM) Samsung Electronics 6-15...
  • Page 46 ICM301 Pin 16 (Low) ENVE Signal Normal Normal DRUM Check Check the Abnormal Check Pin 14 (Rotary) ICM301 Pin 72 has the color signal Normal Check Abnormal XTM301 ICM301-62 OSC : Replace 3.57MHz 30Hz Normal Replace ICM301 6-16 Samsung Electronics...
  • Page 47 ICM301- 62 OSC the ICM301 Pin 72 has Replace XTM301 (3.5795MHz 30Hz) the color signal Normal Normal Replace ICM301 Check Abnormal Check connecting pattern the color signal of and Pin 14 (Rorary SW) ICM301 Pin 66 Normal Replace ICM301 Samsung Electronics 6-17...
  • Page 48 MEMO 6-18 Samsung Electronics...

  • Page 49: Exploded View And Parts List

    1-11 3001-000274 SPEAKER-GENERAL;5W8OHM100X50MM 1-12 6002-000512 SCREW-TAPPING;RH,+,2,M4,L12,ZP SPK+CF AA03-00019A CRT-COLOR;-,A63AHC26X,+300MG,-,100DEG,38 AA60-10050R SCREW-ASSY;WC,HH,+M5,L31.5,SWR CRT+CF 3704-001105 SOCKET-CRT;11P,20PI,26.5PI,NI,- V599 L2001-0122-000 CABINET-BACK;HIPSVOBLKTVN6350 6002-000522 SCREW-TAPPING;TH,+,2,M4,L15,ZP CB+CF AA39-10007Y POWER-CORD;-,EP2/YES,SPT-2 18AWGx2C,2.4m AA94-00779B ASSY-PCB,MAIN;(OPT);CXJ2512,V51A,SAMSUNG AA61-20233A HOLDER-CHASSIS;DP,-,-,-,AA61-2 AA61-00004A FRAME-DECK;-,TVN-502V,-,V2,-,BLK,-,-,-,- AA63-00006A COVER FRAME,TOP;-,TVN-502V,T0.5,SECC,-, AA91-40131A ASSY-DECK;-,2HD,NTSC,X-9,MEXICO AA95-00141A ASSY-PCB,M/DECK;-,M-440N,2HD,NTSC L4043-0056-001 DOOR-HOUSING;ABS,HB,PA100,TS-DECK Samsung Electronics...
  • Page 50 LEVER-TENSION ASSY;-,X-9(TS),-,-,-,X-9 K248 AC61-60554A SPRING-TENSION LEVER;-,ES,SUS304-WPB,OD3 K250 AC63-12029A BAND-BRAKE ASSY;-,X-9(TS),-,-,-,X-9 K330 AC66-30550A LEVER-S.BRAKE ASSY;-,POM+SUS,-,-,-,X-9 K340 AC66-30549A LEVER-T.BRAKE ASSY;-,POM+SUS,-,-,-,X-9 K350 AC61-60564A SPRING-BRAKE;-,TENSION,SWP-A,0.25,3,-,X- K490 AC61-21010A HOLDER-CASS ASSY;-,SECC+POM+SUS,-,-,-,X- K502 AC61-60561A SPRING-FL.LEVER-LR;-,ES,SUS304 WPB,PI2.7 K530 AC66-30546A LEVER-FL.ARM ASS’Y;-,SECC+POM+SUS,-,-,-, K546 AC61-50658A GUIDE-CASS. DOOR;-,POM M90-44,-,-,NTR,-, Samsung Electronics...
  • Page 51 B488 AC66-30543A LEVER-S LOAD ASSY;-,-,-,-,-,X-9 B500 AC66-30542A LEVER-T LOAD ASSY;-,-,-,-,-,X-9 B560 AC31-12017A MOTOR-CAPSTAN;DMVCMC07C,-,X-9 B570 AC60-10514A SCREW-CAPSTAN;-,PH,+,M2.6,L6,- G542 AC66-60051A BELT-PULLEY;-,5CM-70,2 * 2,-,71.3,-,X-9 K200 AC61-21012A HOLDER-CLUTCH ASSY;-,-,-,-,-,X-9 K221 AC66-20581A GEAR-CENTER ASSY;-,POM,M=O.5,-,HIGHT T., K222 AC60-30306A WASHER-SLIT;-,-,ID2.1,OD5.0,T0.5,-,POLYS K225 AC66-30547A LEVER-UP DOWN ASSY;-,POM+SUS,-,-,-,X-9 Samsung Electronics...

  • Page 52: Electrical Parts List

    Electrical Parts List 8. Electrical Parts List 8-1 CXJ2512X/XAA (CXJ2512X/XAC and CXJ2512X/XAA Dissimilar Parts) Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark ASSY-ACCESSORY * AA97-20005B ASSY-ACCESSORY;-,T6350,V51A,U.S.A AA68-00058A MANUAL-USERS;V15A,ENG,-,B5,W/P100(G),’Ì 8-2 CXJ2512X/XAC Loc. No.
  • Page 53 P800 1404-000208 POSISTOR;PTH631D02BF7ROM140TDE D503 0402-001105 DIODE-RECTIFIER;ERB43-04SV1,40 PC801 0604-001038 PHOTOCOUPLER;TR,130-260%,200MW D504 0402-001105 DIODE-RECTIFIER;ERB43-04SV1,40 PCB+HC AA60-10008A SCREW-TAPPING;-,TH,+,M3,L10,ZP D601 0403-000297 DIODE-ZENER;EQA02-06D/MTZ6.2B( PCBM AA94-00779B-A ASSY-PCB,MAIN;CXJ2512,V51A,USA,-SAMSUNG D802 0402-000213 DIODE-RECTIFIER;ERB12-06,600V, PCORD AA39-10007Y POWER-CORD;-,EP2/YES,SPT-2 18AWGx2C,2.4m D803 0402-001105 DIODE-RECTIFIER;ERB43-04SV1,40 PWR/AC AA96-20129A ASSY-POWER,CORD;-,EP2/YES,H/C300,ME301P, D804 0402-001105 DIODE-RECTIFIER;ERB43-04SV1,40 Q151 0501-000436 TR-SMALLSIGNAL;KTC3197,NPN,30V...
  • Page 54 2001-000723 R-CARBON;4.3KOHM,5%,1/8W,AA,TP R310 2003-002069 R-METALOXIDE;470OHM,5%,2W,AF,T R917 2001-000723 R-CARBON;4.3KOHM,5%,1/8W,AA,TP R401 2001-001070 R-CARBON(S);120OHM,5%,1/2W,AA, R918 2001-000723 R-CARBON;4.3KOHM,5%,1/8W,AA,TP R402 2001-000037 R-CARBON(S);330OHM,5%,1/2W,AA, R919 2001-000290 R-CARBON;10KOHM,5%,1/8W,AA,TP, R403 2001-000117 R-CARBON(S);68ohm,5%,1/2W,AA,TP,2.4x6.4m R920 2001-000522 R-CARBON;22KOHM,5%,1/8W,AA,TP, R404 2001-001153 R-CARBON(S);47OHM,5%,1/2W,AA,T R921 2001-001062 R-CARBON(S);10MOHM,5%,1/2W,AA, R405 2003-001045 R-METALOXIDE(S);680OHM,5%,2W,A R922 2001-000397 R-CARBON;180KOHM,5%,1/8W,AA,TP Samsung Electronics...
  • Page 55 ASSY-M/DECK CM501 2202-002037 C-CERAMIC,MLC-AXIAL;100NF,+80-20 CM502 2401-002462 C-ELECTROLYTIC;CE04WTAPG16V33M CM503 2401-000914 C-AL;22UF,20%,16V,GP,5X11,5,TP A/MDECK AA94-80004C ASSY-M/DECK;M-440N,2HD,NTSC,25,U.S.A CM504 2401-001537 C-AL;47UF,20%,25V,GP,6.3X7MM,5 CM505 2202-002037 C-CERAMIC,MLC-AXIAL;100NF,+80-20 02VER AA41-10982C PCB-MODULE DECK;V15A,1L,FR-1,330X245X1.6 CM506 2301-000192 C-FILM,PEF;1NF,5%,50V,5.3X10MM A/AUTO AA95-00141A-A ASSY-PCB,M/DECK; CM507 2301-000342 C-FILM,PEF;2.2nF,5%,50V,TP,7.4x3.9x13mm, A/CFT LA63-00006A ASSY-COVER/FRAME,TOP;CVR/FR+SHIELD-PLATE CM508 2401-002299 C-AL;4.7UF,20%,50V,GP,TP,4X7,5 Samsung Electronics...
  • Page 56 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP DM301 0401-000005 DIODE;1N4148TAPG RM314 2001-000969 R-CARBON;75OHM,5%,1/8W,AA,TP,1 DM302 0401-000005 DIODE;1N4148TAPG RM315 2001-000977 R-CARBON;8.2Kohm,5%,1/8W,AA,TP,1.8x3.2m DM501 0404-000156 DIODE-SCHOTTKY;RB441Q,10V,100MA,DO-34,TP RM317 2001-000449 R-CARBON;2.2KOHM,5%,1/8W,AA,TP DM608 0401-000005 DIODE;1N4148TAPG RM318 2001-000989 R-METAL;820Kohm,5%,1/8W,AA,TP,1.8x3.2m DM610 0402-000132 DIODE-RECTIFIER;1N4004,400V,1A,DO-41 RM319 2001-000786 R-CARBON;47KOHM,5%,1/8W,AA,TP, DM611 0401-000005 DIODE;1N4148TAPG RM320 2001-000241 R-CARBON;1.5KOHM,5%,1/8W,AA,TP Samsung Electronics...
  • Page 57 LA95-40006V ASSY-A/V,KH25,TVN6350 RM621 2001-000429 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm RM633 2001-000429 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm 00-LOT AA97-80001E-A ASSY-PCB,CONTROL;-,TVN6350,KH25,- RM634 2001-000429 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm 00VER AA41-10300A PCB-A/V;KH25,1,FR-1,66X30X1.6T RM636 2001-000429 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm 00VER AA41-10299A PCB-CONTROL;KH25,1,FR-1,285X36 RM638 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP RM639 2001-000429 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm RM640 2001-000429 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm RM641 2001-000429 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm RM642 2001-000429 R-CARBON;1Kohm,5%,1/8W,AA,TP,1.8x3.2mm Samsung Electronics...
  • Page 58 2001-000003 R-CARBON;330OHM,5%,1/8W,AA,TP, R704 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP RE01 2001-000028 R-CARBON(S);100OHM,5%,1/2W,AB, RM701 AA59-60003H MODULE-REMOCON;ORC-05H1,38KHZ, SW701 3404-000176 SWITCH-TACT;12V,50MA,90-150GF, SW702 3404-000176 SWITCH-TACT;12V,50MA,90-150GF, SW703 3404-000176 SWITCH-TACT;12V,50MA,90-150GF, SW704 3404-000176 SWITCH-TACT;12V,50MA,90-150GF, SW705 3404-000176 SWITCH-TACT;12V,50MA,90-150GF, SW706 3404-000176 SWITCH-TACT;12V,50MA,90-150GF, SW707 3404-000176 SWITCH-TACT;12V,50MA,90-150GF, SW708 3404-000176 SWITCH-TACT;12V,50MA,90-150GF, SW709 3404-000176 SWITCH-TACT;12V,50MA,90-150GF, Samsung Electronics...

  • Page 59: Block Diagram

    9-1 Block Diagram SF101 SPEAKER C BUS CONTROL TUNER IF-SIGNAL SOUND AMP MICOM IC601 PROM CRT-DRIVE Q402 H-OUT I-CHIP RF AUDIO EXT AUDIO AUDIO M/DECK EXT VIDIO RF/LINE VIDEO S/W IC RF VIDEO VERTICAL TA8427K SWITCHING SPS CONTROL TRANS Samsung Electronics...
  • Page 60 C AP STAN B+ KA7809 (CNM602) P C 9V (ICM101) L/M IC (ICM603, Pin7&8) KA7809 P C 9V (ICM101) AV IC TO TV AL9V BLO C K Q M106 P C 5V MIC O M AL 6V BLO C K Samsung Electronics...
  • Page 61 R817,R827 Filter D101 HALF TUNER Bt 16.5V Tuner KA7809 RECTIFIER D810,C813 1 Chip IC VCR BLOCK Input S/W HALF Control 9.5V KA7806 RECTIFIER VCR Block D809,C809 IC802 MICOM D803 D804 EEPROM Q801 RESET KA431 Photo ERROR AMP Coupler Samsung Electronics...
  • Page 62 Block Diagram 9-4 Deflection Block Diagram Vertical Out IC IC301 IC200 Vout V.Ramp Vertical Feedback Circuit VRAMP H-Drive Q402 H.OUT Horizontal Out TR Samsung Electronics...
  • Page 63 4.5MHz TRAP Q203 Q202 IC202 Buffer Comb Buffer Filter Z601 4.5MHz TU01 Tuner IC501 Matrix R.G.B Block Block Drive Switch Sound detect Q151 Block SF101 Pre.Amp Filter Audio Deflection Control Block IC200 IC601 VCR DECK Audio Amp SPEAKER Samsung Electronics...

  • Page 64: Wiring Diagram

    Wiring Diagram Wiring Diagram 10-1 Total Wiring Diagram CN602A SPEAKER CV602 SOUND OUT CN601 SOUND IN A/V PCB VIDEO IN AUDIO IN CN902 CN501 CN501A CRT PCB HEATER 220V CN801 POWER CORD CN201 CN802 DEGAUSSING COIL Samsung Electronics 10-1...

  • Page 65: Schematic Diagrams

    ? @ @ ? ? 3 @ ? ? @ @ ? 3 @ e @ @ ? 3 @ ? ? @ @ ? e ? 7 @ H e @ @ e @ @ f @ @ f ? 7 @ H f ? @ @ ? ? @ 0 M I ' 1 ? h e ? @ @ ? ? @ @ @ @ 6 X ? e ? @ @ ? ? @ @ ? e @ @ @ ? f @ 0 M I ' 1 ? J 5 ? @ @ Y Signal REC Y Signal PB Audio PB C Signal REC C Signal PB REC Audio Samsung Electronics 11-1...
  • Page 66 ? @ e ? @ h f @ ? e @ ? h e ? @ e ? @ ? @ h f ? @ h e @ ? ? @ h e @ ? ? @ h e @ ? TP10 TP10 11-2 Samsung Electronics...
  • Page 67 Schematic Diagrams 11-3 VCR (POWER BLOCK) Samsung Electronics 11-3...
  • Page 68 Schematic Diagrams 11-4 TV (MAIN BLOCK) TP17 TP18 TP28 TP33 TP19 TP30 TP27 TP31 TP29 TP11 TP34 TP12 TP13 TP32 TP14 TP24 TP25 TP15 TP16 TP23 TP26 TP22 TP21 : Power Line : Signal Line 11-4 Samsung Electronics...
  • Page 69 Schematic Diagrams 11-4-1 Waveforms TP11 TP17 TP24 TP30 TP12 TP18 TP25 TP31 TP13 TP19 TP26 TP32 TP14 TP21 TP27 TP33 TP15 TP22 TP28 TP34 TP16 TP23 TP29 Samsung Electronics 11-5...

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