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Samsung CXJ2512X/XAA, Service Manual

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Samsung CXJ2512X/XAA Service Manual Download Page 47

Troubleshooting

Samsung Electronics

6-17

6-20 No Color During Record 

Abnormal

Normal

No Color (On REC)

Check 

the ICM301 Pin 72 has

the color signal 

Check

ICM301- 62 OSC

(3.5795MHz    30Hz)

Replace XTM301

Check

the color signal of

ICM301 Pin 66

Replace ICM301

Check connecting pattern

 and Pin 14 (Rorary SW)

Replace ICM301

Abnormal

Normal

Normal

Abnormal

+

_

Summary of Contents for CXJ2512X/XAA

Page 1: ... 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 Schematic Diagrams 1 2 3 4 5 6 7 8 9 10 11 ...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd AUG 1999 Printed in Korea 3V51A 2501 ...

Page 3: ...s metal cabinets screwheads and control shafts The current measured should not exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test Fig 1 1 AC Leakage Test 6 Antenna Cold Check With the unitÕs AC plug disconnected from the AC source connect an electrical jumper across the two AC prongs Connect one lead of the ohmmeter to an AC prong Connect the other lead to the c...

Page 4: ...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 15 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pinched out of plac...

Page 5: ...sible conductive parts examples metal panels input terminals and earphone jacks 6 Insulation Checking Procedure Disconnect the power cord from the AC source and turn the power switch ON Connect an insulation resistance meter 500V to the blades of the AC plug The insulation resistance between each blade of the AC plug and accessible conductive parts see above should be greater than 1 megohm 7 Never...

Page 6: ...ctrical charges that damage ESDs 5 Use only a grounded tip soldering iron when soldering or unsoldering ESDs 6 Use only an anti static solder removal device Many solder removal devices are not rated as Òanti staticÓ these can accumulate sufficient electrical charge to damage ESDs 7 Do not remove a replacement ESD from its protective package until you are ready to install it Most replacement ESDs a...

Page 7: ...y head Erase 1 full track erase 1 audio track erase VIDEO VIDEO Input VIDEO IN jack RCA 1 0Vp p 75 ohm unbalanced Signal to Noise Ratio Better than 35dB Horizontal Resolution Color Monochrome more than 220 lines AUDIO AUDIO Input AUDIO IN jack RCA 8dBm 50kohm unbalanced Horizontal Resolution Color Monochrome more than 220 lines Frequency Response SP 6dB 100Hz 10KHz SLP 6dB 100Hz 5KHz VHF input Ch ...

Page 8: ...2 2 Samsung Electronics MEMO ...

Page 9: ...he reference height for the transport adjustment To maintain the height of the tape guide do not apply excessive force onto the main base CYLINDER ASS Y TAKE UP REEL DISK 8 GUIDE POST 9 GUIDE POST SUPPLY REEL DISK CAPSTAN PINCH ROLLER GUIDE ROLLER T GUIDE ROLLER S FULL ERASE HEAD 3 GUIDE POST TENSION POST HEIGHT SCREW TILT SCREW X POSITION ADJUST SILT AZIMUTH SCREW Fig 3 1 Parts Locations of trans...

Page 10: ...head adjustment locations 3 2 2 Adjustments 3 2 2 A A C HEAD HEIGHT ADJUSTMENT 1 Run the alignment tape Color bar in the playback mode 2 Observe surface of the audio head using a dental mirror 3 Turn screw C clockwise or counterclockwise until the gap of lower tape edge and the lower edge of the control head is about 0 25mm Refer to Fig 3 4 and 3 5 Test Points JM112 CTL control waveform JM113 H D ...

Page 11: ...h2 scope probe to JM113 HÕD SW Adjust sync to Channel 1 3 4HD Model Set the control pulse to 6 5 msec using the Fine tracking buttons on the remote control see Fig 3 8 3 9 2HD Model 2 5msec see Fig 3 8 3 9 4 Connect Ch1 scope probe to JM114 ENV 5 Insert the adjusting driver into the X position adjusting gear and adjust the driver for maximum envelope waveform Note Do not adjust the X point using e...

Page 12: ...OVE REMOTE BUTTONS _ _ Fig 3 10 Test Point Position Main PCB Parts Test Points JM113 H D SW head switching sync JM114 EnV envelope waveform 1 Play back the Mono Scope alignment tape SP Mode 2 Observe the video envelope signal on the oscilloscope after taking sync with the video switching pulse 3 Make sure that the video envelope meets the specifications of Fig 3 11 especially for minimum values No...

Page 13: ...e tightness Fig 3 13 Fig 3 12 Adjustment Points A B A B H D SWITCHING PULSE ENVELOPE 7 Play back the Mono Scope alignment tape SP Mode 8 Connect CH1 to JM114 ENV and CH2 to JM113 HÕD for taking sync located on the same PCB 9 Turn the guide roller head with a flat head screw driver to obtain a flat video RF envelope as shown in Fig 3 14 10 After completing the adjustments tighten the set screw Fig ...

Page 14: ... T 120 and T 160 tapes and make sure that the playback output envelope meets the specification show in Fig 3 16 2 Play back a self recorded tape use a T 120 The video envelope should meet the specification shown in Fig 3 16 In SLP Mode A should be the same as B If the head gap is wide check the cylinder 3 2 5 Tape Wrinkle Check 1 Run the T 180 tape in playback FPS RPS and the Pause Modes and obser...

Page 15: ...auses the Holder Clutch AssÕy to rotate through the Belt Pulley 2 The spring wrap PLAY REV of holder clutch assÕy drives the disk reel S T through gear idle by rotation of gear center assÕy 3 Brake is operated by slider cam at FF REW mode 4 Transportation of accurate driving force is done by gears Gear Center AssÕy Note If the spec does not meet the followings specifications replace the holder clu...

Page 16: ...pecting it with Back Tension Meter 1 0mm 0 5mm ˇ LEVER TENSION ASS Y Œ DISK S REEL ADJUSTING ADJUSTING SLIT 1 3 Fig 3 19 Tension Pole and Back Tension Adjustment 1 Remove the holder cassette assÕy and then push the lever FL Arm R to the direction of loading 2 Push the lever tension drive Œ in the direction of arrow See Fig 3 17 3 Turn the gear worm wheel clockwise so that ÒTiming PointÓ of the sli...

Page 17: ...the SP standard tape 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 3 5 Circuit SERVO Adjustment 6 5H 0 5H _ VIDEO OUTPUT SWITCHING POINT SW30Hz PULSE Ch2 Ch1 VR TR Fig 3 20 Fig 3 21 ...

Page 18: ...MEMO 3 10 Samsung Electronics ...

Page 19: ...ther the EEPROM IC902 or the CRT is replaced Do not attempt to make adjustments in either the Play Mode or Line in Mode 4 1 2 Entering the Factory Mode Press the following transmitter keys in STANDBY mode MUTE 1 8 2 POWER ÒFactory Mode MenuÓ is displayed 10 VCO 45 AGC 45 BC 0 VCO 40 GG 128 SCT 30 BG 128 SCR 20 SB 15 STT 36 VA 36 RC 0 VS 0 GC 0 HS 16 SVC MUTE Example for ÒVCOÓ Use the CH down key t...

Page 20: ...untries Initialization MICOM Data Specific Data 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 AGC VCO SCT SCR STT RC GC BC GG BG SB VA VS HS AFN ACS TRAP OPTION EEPROM RF AGC Adjustment PIF VCO Adjustment SUB CONTRAST Adjustment SUB COLOR Adjustment SUB TINT Adjustment RED CUT OFF Adjustment GREEN CUT OFF Adjustment BLUE CUT OFF Adjustment GREEN GAIN Adjustment BLUE GAIN Adjustment SUB BRIGHTNES...

Page 21: ... 1 9 B HIGH LIGHT ADJUSTMENTS 1 After adjusting the low light input a high light pattern 2 Adjust GG BG in the Factory Mode 3 Recheck in low light 4 1 4 IC902 Replacement 1 When IC902 is replaced all values are reset to ÒInitialized MICOM Data Ó so readjustment is necessary 2 Press the POWER button 10 seconds after plug in 3 To enter the factory mode refer to 4 1 2 Factory Mode Adjustment 4 1 5 PI...

Page 22: ...e receiver is ÒonÓ and the receiver is powered off for a long time the latest adjusted data will remain intact when the power is reapplied Example 2 If condition Ò1ÓÑdescribed aboveÑoccurs while a tape is playing in the ÒTrue Repeat OnÓ mode the set will revert to True Repeat when power is reapplied Important Check if the Commercial Use mode is on If so switch it off Also it is impossible to enter...

Page 23: ... parts 8 To protect against shock hazard use an isolation transformer 4 2 2 Fail Safe Circuit Check FS 1 The failsafe check must be the final step in servicing 2 Turn the power switch ON and adjust customer controls for normal operation 3 Temporarily short pin X to pin R on the main board with a jumper wire Raster and sound will disappear 4 The TV must remain in this state even after removing the ...

Page 24: ...lowly 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 4 2 7 Color Purity Adjustment 1 If a magnetic tape beam bender is mounted on the neck of the picture tube replace it with an adjustable type Magnet Assembly prior to center purity and center ...

Page 25: ...R WEDGES KIT RUBBER WEDGES PURITY AND CONVERGENCE MAGNET ASS Y CRT DEFLECTION YOKE TAPE CLOTH GRASS 1 3 16 31 mm Fig 4 5 Tube Assembly 2 POLE PURITY YOKE CLAMP SCREW 6 POLE CONVERGENCE 4 POLE CONVERGENCE ADJUST THE ANGLE VERTICAL LINES FIXED ROTATE TWO TABS AT THE SAME TIME HORIZONTAL LINES Fig 4 6 Purity and Convergence Magnets ...

Page 26: ...bs and superimpose red and blue vertical lines in the center area of the picture screen 5 Next turn both tabs at the same time Keep the angle constant and superimpose red and blue horizontal lines at the center of the screen 6 Adjust the two tabs of 6 pole magnets Superimpose the red blue lines with the green Adjusting the angle affects the horizontal lines 7 Repeat adjustments 3 4 and 5 Because t...

Page 27: ...cumference Push the mounted wedge into the space between the picture tube and the yoke This will hold the yoke temporarily in place 4 Place the other wedge into the bottom space and remove the cover paper 5 Tilt the front of the yoke right or left to obtain better convergence in circumference 4 2 9 Circumference Convergence Adjustment Incline the Yoke Up or Down B G R R G B R G B B G R Incline the...

Page 28: ...MEMO 4 10 Samsung Electronics ...

Page 29: ... T CARE 0 0 0 1 1 0 0 0 1 0 0 0 0 0 1 1 1 0 0 0 1 0 0 0 1 0 0 1 1 0 1 STAND BY POWER OFF LOADING START LOADING END REV PLAY STOP1 STOP2 FF REV1 FF REV2 0 1 1 1 X X 1 X X X Eject Unload Power Off Tape loading start point Tape loading end point Reverse Picture Search Reverse SLOW Play Rec F PS Still SLOW F ADV Stop Play position 5 Min over MAIN Break ON MODE High speed Rew Low speed FF High speed FF...

Page 30: ...MEMO 5 2 Samsung Electronics ...

Page 31: ...ltage 5V 6V 16 5V Check the secondary terminal short open of trans Abnormal Abnormal Normal Check the voltage of IC901 pin 34 normal 5V Check the H Sync of pin 26 and the V Sync of pin 27 Check Replace IC901 Check IC901 Pin 17 High when power On Check Replace IC902 Check Replace Q809 Check the voltage of Q809 coil pin Check the voltage of tuner Normal Normal Abnormal Abnormal Normal Abnormal Norma...

Page 32: ...V Check the signal output to IC201 Pin 6 Check C239 Check the signal output to IC200 Pin 41 Check the voltage of tuner Check the signal input of IC200 Pin 37 Check Replace IC200 Check the signal output to IC200 Pin 41 Check Replace tuner Check T444 B 130V Check the coil voltage of Q809 Check the signal input to IC200 Pin 19 20 21 Check the voltage IC200 Pin 29 Check the voltage of Tuner Check the ...

Page 33: ... audio signal output from IC200 Pin 54 Check IC901 TV Pin 15 High Line Pin14 High Check IC901 Check the Audio signal input to VCR Check VCR Check the signal input to IC200 Pin 53 55 Check the signal change of IC200 depending on the change of VOL Check Replace IC200 Check IC901 Pin 16 Check Q601 Check the signal input to IC601 Pin 3 Normal Check Replace IC601 Check the VDD input to IC601 Check 16 5...

Page 34: ...place R421 Check IC301 Check the waveform of IC200 Pin 24 Check vertical output terminal circuit Replace IC301 Check IC200 Check Check Replace DY or FBT Normal 6 5 No Color Normal Abnormal Abnormal Abnormal Normal Check the signal input to IC200 Pin 45 Check Q202 IC200 Check IC200 Check IC200 Pin 12 Check C213 X201 Check IC200 ...

Page 35: ...eck the line of RM514 CM515 LM503 RM501 RM502 A out Line Check if ICM301 Pin 16 17 is Low 0 0 5V Replace ICM301 Check the PC 5V of ICM301 Pin 75 Check AC head line and CNM501 Check the PC 5V line Replace ICM301 Check the Audio signal of ICM301 Pin 1 100 Check the A EE PB REC Line and D REC Line ICM601 78 94 Pin Check Abnormal Normal Abnormal Abnormal ...

Page 36: ...Check the REC bias signal of FLM501 Pin 5 6 Over 65Khz 35Vp p Abnormal Check Replace QM504 QM505 Abnormal Normal Normal Check if the QM504 QM505 base voltage is low Check AC head line and CNM501 Check the D REC A EE PB REC terminal line ICM601 78 Pin 94 Replace QM501 Abnormal Normal Check if the QM501 base voltage is high Check the D REC terminal line ICM601 Pin 78 Check the PC 5V line Normal Norm...

Page 37: ...k ICM601 Pin 24 SW 30Hz Check the rotation of capstan Check ICM601 Pin 84 85 Check ICM601 Pin 18 High ICM601 Pin 17 Low Check ICM601 Pin 4 5 6 PROG SW Replace ICM601 Replace ICM601 Normal Normal Abnormal Normal Abnormal Abnormal Refer to Cylinder doesn t rotate Abnormal Check ICM601 Pin 3 8 D FG and Pin 39 D PG Abnormal Refer to Capstan doesn t Rotate Abnormal Check PTM602 PTM601 T Reel takeup sen...

Page 38: ...is high D REC Check ICM601 Check the tape takeout Check the tape Refer to No REC Screen Abnormal Normal Abnormal Check the logic of ICM601 Pin 4 5 6 PROG A B C 6 10 FF Doesn t Operate Normal Stop Normal Insert a tape and operate FF Check ICM601 Pin 4 5 6 PROG SW Check the rotation of capstan Refer to Capstan doesn t rotate Check the Deck Refer to Deck doesn t operate during Playback Abnormal ...

Page 39: ...ion Search Screen Doesn t Operate Searching Speed Normal Check the speed of capstan motor Check if the noise bar is fixed Check the capstan motor Check Replace ICM601 Abnormal Check the B Capstan Motor Playback Speed Set to right direction search screen mode Normal Check the PLAYBACK operation Refer to PLAYBACK Doesn t Operate Abnormal Normal Check the C FG input of ICM601 Pin 88 40 Check the Deck...

Page 40: ...heck the deck Abnormal Check the PLAYBACK operation Refer to PLAYBACK Doesn t Operate Abnormal Normal Search towards right Abnormal Check the C FG input of ICM601 Pin 88 40 Normal Normal Check ICM601 Pin 79 and CAP F R Check for noise bar Check the capstan motor Check Replace ICM601 Abnormal Check the B Capstan Motor Check the control pulse of ICM601 Pin 37 Readjust the height of A C head Abnormal...

Page 41: ...ert a tape Check the followings ICM601 Pin 17 HIGH ICM601 Pin 18 LOW Check the voltage of ICM603 PC 9V Check the B terminal of loading motor Check Replace the loading motor Replace ICM601 Abnormal Normal Abnormal Check of ICM603 Check ICM601 Pin 4 5 6 Replace ICM603 Normal Abnormal ...

Page 42: ...01 Pin 8 5V Check the AL 5V Check the capstan motor Abnormal Abnormal Insert a tape and set to the PLAYBACK mode Normal Check ICM601 Pin 15 22 41 5V Check the AL line 5V Abnormal Check the capstan PWM CTL at ICM601 Pin 25 Replace ICM601 Abnormal Normal Check the input to CNM201 Pin 5 PC 9V Check the PC 9V line HSR 15V Line Abnormal ...

Page 43: ... Insert a tape and set to the PLAYBCAK mode Normal Check the head SW pulse at ICM601 Pin 24 Check the DPG at ICM601 Pin 39 Abnormal Check the PWM at ICM601 Pin 26 Check the voltage of ICM601 Pin 22 15 41 Abnormal Normal Check DFG at ICM601 Pin 38 Check the cylinder motor Abnormal Normal Check the voltage of CNM202 Pin 4 PC 12V Check the motor B line Abnormal Check XTM601 10MHz Normal Normal ...

Page 44: ...the PLAYBCAK mode Check IC201 neighbor circuits Normal Check the video output signal at ICM301 Pin 35 Replace ICM301 Abnormal Normal Check the video signal at ICM301 PIn 25 Check the output of video signal at CM305 Abnormal Check the video signal at ICM301 Pin 28 Replace ICM301 Abnormal Check the voltage of ICM301 Pin 11 16 Low Abnormal Check the voltage of ICM601 pin 78 LOW Normal Normal ...

Page 45: ...e Normal Check the ICM301 Pin 42 has the Video input signal Check the Input Output block IC201 Abnormal Check the ICM301 Pin 66 has the FM video signal Replace ICM301 Abnormal Check the high voltage of ICM301 Pin 16 High Abnormal Check the high voltage of ICM601 Pin 78 D REC Normal Check the video head DRUM Normal ...

Page 46: ...Pin 72 has the color signal Check Pin 14 Rotary Check ICM301 62 OSC 3 57MHz 30Hz Replace ICM301 XTM301 Replace Check the ICM301 Pin 74 has the ENVE Signal Normal DRUM Check Check the voltage of ICM301 Pin 16 Low Check the voltage of ICM601 Pin 78 D REC Abnormal Abnormal Normal Normal Normal Abnormal Abnormal _ ...

Page 47: ...ormal Normal No Color On REC Check the ICM301 Pin 72 has the color signal Check ICM301 62 OSC 3 5795MHz 30Hz Replace XTM301 Check the color signal of ICM301 Pin 66 Replace ICM301 Check connecting pattern and Pin 14 Rorary SW Replace ICM301 Abnormal Normal Normal Abnormal _ ...

Page 48: ...MEMO 6 18 Samsung Electronics ...

Page 49: ...A ASSY PCB CONTROL TVN6350 KH25 1 1 11 3001 000274 SPEAKER GENERAL 5W8OHM100X50MM 2 1 12 6002 000512 SCREW TAPPING RH 2 M4 L12 ZP 8 SPK CF 2 AA03 00019A CRT COLOR A63AHC26X 300MG 100DEG 38 1 2 1 AA60 10050R SCREW ASSY WC HH M5 L31 5 SWR 4 CRT CF 2 2 3704 001105 SOCKET CRT 11P 20PI 26 5PI NI 1 V599 3 L2001 0122 000 CABINET BACK HIPSVOBLKTVN6350 1 3 1 6002 000522 SCREW TAPPING TH 2 M4 L15 ZP 7 CB CF...

Page 50: ... G450 AC66 80141A SLIDER TAKE UP ASSY X 9 TS X 9 G480 AC33 10217H HEAD ACE ASSY X 9 G510 AC60 10518A SCREW TAP TITE PH SW ZW M2 6 L5 6 ZP G520 AC66 30539A LEVER 9 GUIDE ASSY X 9 TS X 9 G527 AC61 60553A SPRING 9 GUIDE ES SUS304 WPB OD3 1 0 G530 AC33 10217G HEAD FE VAA00000275 X 9 G532 AC60 10519A SCREW TAP TITE PH M2 6 L8 ZPC G546 AC66 30535A LEVER FL DOOR POM M90 44 BLK X 9 G555 AC59 90403A UNIT P...

Page 51: ...B458 AC66 20574A GEAR JOINT 2 POM SW 01 M1 0 Z14 PCD1 B462 AC60 10517A SCREW TAP TITE PH M2 6 L5 ZPC YE B484 AC66 20580A GEAR LOADING DRIVE POM SW 01 M1 0 Z32 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 CLU...

Page 52: ...2 C230 2305 000665 C FILM CF922N63VT104 J 40 1053 C232 2401 001496 C AL 47UF 20 16V GP 5X7MM 5MM C234 2301 000342 C FILM PEF 2 2nF 5 50V TP 7 4x3 9x13mm C235 2401 002594 C AL 220uF 20 16V GP TP 8x11 5 5 C237 2301 000383 C FILM PEF 10nF 5 50V TP 6x7x3 2mm 5mm C256 2202 002037 C CERAMIC MLC AXIAL 100NF 80 20 C257 2202 002037 C CERAMIC MLC AXIAL 100NF 80 20 C300 2401 001840 C AL 100UF 20 16V GP TP 6 ...

Page 53: ...V 1 5A DO 204AC TP D811 0402 000542 DIODE RECTIFIER RU4AM 600V 2A D812 0403 000294 DIODE ZENER MTZ4 7B 4 55 4 80V 500MV D0 D818 0403 000700 DIODE ZENER TZP33A 33V 31 35V D819 0403 000300 DIODE ZENER MTZ8 2B 7 78 19V D821 0403 000296 DIODE ZENER EQA02 06A MTZ5 6B D880 0402 000213 DIODE RECTIFIER ERB12 06 600V D881 0402 000213 DIODE RECTIFIER ERB12 06 600V D882 0402 000213 DIODE RECTIFIER ERB12 06 6...

Page 54: ... R CARBON S 47OHM 5 1 2W AA T R405 2003 001045 R METALOXIDE S 680OHM 5 2W A R407 2001 001107 R CARBON S 220OHM 5 1 2W AA R420 2008 000206 R FUSIBLE S 1OHM 5 1 2W AF T R421 2008 000264 R FUSIBLE S 1OHM 5 1W AF TP R422 2008 001018 R FUSIBLE S 0 47OHM 10 2W AF R424 2004 001373 R METAL FILM RM1 2T100K F R425 2004 001390 R METAL S 1KOHM 2 1 2W AA TP R501 2001 000241 R CARBON 1 5KOHM 5 1 8W AA TP R502 2...

Page 55: ...T FD 6002 000507 SCREW TAPPING RH 2 M3 L12 ZP CM102 2401 002619 C AL 47uF 20 25V GP TP 5x11 5 CM103 2401 000480 C AL 10UF 20 50V GP 5X11MM 5M CM105 2202 002037 C CERAMIC MLC AXIAL 100NF 80 20 CM106 2401 000553 C AL 1UF 10 50V GP 5X11MM 5MM CM107 2401 000553 C AL 1UF 10 50V GP 5X11MM 5MM CM110 2401 002619 C AL 47uF 20 25V GP TP 5x11 5 CM111 2202 002037 C CERAMIC MLC AXIAL 100NF 80 20 CM112 2401 002...

Page 56: ...CTIFIER 1N4004 400V 1A DO 41 DM611 0401 000005 DIODE 1N4148TAPG DM612 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 DM613 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 DM614 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 DM619 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 DM620 0401 000005 DIODE 1N4148TAPG DM622 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 DOOR H L4043 0056 001 DOOR...

Page 57: ...A TP 1 8x3 2mm RM633 2001 000429 R CARBON 1Kohm 5 1 8W AA TP 1 8x3 2mm RM634 2001 000429 R CARBON 1Kohm 5 1 8W AA TP 1 8x3 2mm RM636 2001 000429 R CARBON 1Kohm 5 1 8W AA TP 1 8x3 2mm 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 R...

Page 58: ... AA TP R703 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 0001...

Page 59: ...gram 33V TUNER EXT AUDIO SPEAKER CRT MICOM E2PROM M DECK EXT VIDIO S W IC SPS CONTROL I CHIP SWITCHING TRANS SOUND AMP IC601 CRT DRIVE Q402 H OUT VERTICAL TA8427K 5V 6V RF VIDEO AUDIO RF AUDIO 9V RF LINE VIDEO IF SIGNAL SAW I2C BUS CONTROL SF101 16V RGB 24V FBT DY H V ...

Page 60: ...nics AL KA7812 ICM102 DRUM MOTOR CNM604 AL 6V KA7809 ICM101 QM106 PC 12V PC 9V PC 9V PC 5V KA7809 ICM101 CAPSTAN B CNM602 L M IC ICM603 Pin7 8 AV IC BLOCK MICOM BLOCK HSR CONTOROL 3 9 10 FROM CNM605 16 5V TO TV AL9V 9 2 Power Block VCR ...

Page 61: ...CTIFIER D810 C813 HALF RECTIFIER D809 C809 9 5V FBT T444 KA7809 KA7806 CRT DRIVE DC33V REGULATOR R817 R827 D101 TUNER Bt 33V 9V Vert IC Audio Amp Tuner 1 Chip IC Input S W VCR Block MICOM EEPROM RESET VCR BLOCK 130V 16 5V 6V IC802 220V 24V 16V 9V 9V 5V 5V 5V SPS Control Full rectifier TRANS 9 3 Power Block Diagram Power Flow TV ...

Page 62: ...k Diagram 9 4 Samsung Electronics FBT Horizontal Out TR HDT H Drive Q402 H OUT V Ramp Vout NFB VRAMP 22 6 2 23 24 32 34 DY IC200 Vertical Out IC IC301 Vertical Feedback Circuit 9 4 Deflection Block Diagram ...

Page 63: ... 47 52 3 1 Q203 Buffer Z201 4 5MHz TRAP Z601 4 5MHz BPF 54 53 VCR DECK 2 2 Audio Control Switch IC201 PLAY 6 Line IN 37 Switch 41 39 4 IC601 Audio Amp Deflection Block Y Block C Block Matrix 43 45 19 20 21 R G B CRT SPEAKER From VCR Block IC200 Q202 Buffer IC202 Comb Filter IC501 R G B Drive 9 5 Video Sound Signal Flow ...

Page 64: ...ectronics SPEAKER SOUND OUT SOUND IN GND VIDEO IN GND AUDIO IN B G R GND HEATER GND 220V DEGAUSSING COIL A V PCB CRT PCB CV602 CN501 POWER CORD CN602A CN601 CN501A CN801 CN802 CN902 CN201 10 Wiring Diagram 10 1 Total Wiring Diagram ...

Page 65: ... TP1 e W2 6Xe e e O2 W2 6X W2 6X W2 6X f W2 6Xe O2 g eO2 heO2 e W2 6X f W2 6X 7 eB1e L e e 7 1 7 e 1 7 1 fJ 5 7 e 1e gJ 5 hf f 7 MI 1 f f 7 1 e e W2 6Xe 6X e 6Xe W2 Le e 5 e f7 H e f g7 H e f Y e f f 3 f N fW 1e 1 e e 1eW V K H e e J 5e e f f J 5f 6X he 6X gW 5 6Xf 6X 3 5 V4 6X e e W 5e eJ 5 J 5e W M 3 3 e 3 e 7 He e f f 7 Hf 0MI 1 he 0MI 1 f W Y 0MI 1f 0MI 1e 1 J 5e 7 H J 5e7 H J 5 7 H J 5 7 H J ...

Page 66: ... e h e e e e e f 5 g hf e W J f h X W e Hh h W2 e f he g X I X g hf he f e 7 6Xe W2 6X g O2 eW2 6XgO2 7 6T5 W2 g O2 eW2 6XgO e e f hW Y J 6Xg g g g h V X I X W MI Xe g e7 e 1 I U W MI he e7 e 1 h7 H f7 e 1 J 5g heN 1 eN 1 7 H V4 e h e e e eN 1 7 H V4 he e e e h e f e 6T2 6X W2 6Xf 7 HeW2 f e e e e e g e e e g h e 6X e 1 7 I4 fJ 5 W M 3 L J 5 e e e e g e g he e e g h e V 1 e 3 h7 H 7 He N 1 7 H e h...

Page 67: ...Schematic Diagrams 11 3 Samsung Electronics 11 3 VCR POWER BLOCK ...

Page 68: ...Schematic Diagrams 11 4 Samsung Electronics Power Line Signal Line 11 4 TV MAIN BLOCK TP14 TP15 TP16 TP13 TP12 TP11 TP19 TP18 TP17 TP27 TP29 TP30 TP32 TP24 TP25 TP26 TP23 TP21 TP22 TP31 TP33 TP34 TP28 ...

Page 69: ...Schematic Diagrams 11 5 Samsung Electronics TP11 TP12 TP13 TP14 TP15 TP16 TP17 TP18 TP19 TP21 TP22 TP23 TP24 TP25 TP26 TP27 TP28 TP29 TP34 TP30 TP31 TP32 TP33 11 4 1 Waveforms ...

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