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Samsung TX14N3DF4X/XET, Service Manual

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Samsung TX14N3DF4X/XET Service Manual Download Page 33

Alignment and Adjustments (Electrical)

Samsung Electronics

4-3

BYTE

1

2

3

4

5

6

7

8

9

ITEM

LANGUAGE

SYSTEM

TUNER

HELP MESSAGE

VCR HEAD

G-CODE

ATS OPTION

VPS/PDC

TTX

0

EUROPE/URSSIA

CF/CI/CW/CX/CB/CII

1/2

ON/OFF

2HD/2HDLP/4HD/HIFI

SHOWVIEW/VIDEO PLUS/NONE

ON/OFF

PDC/VPS/NONE

ON/OFF

4-3 Reset

BYTE

1

2

3

4

5

6

7

8

9

ITEM

Contrast

Bright

Sharpness

Color

Tint

Volume

Program Number

Color System

Sound System

3DB LNA

Panel Lock

Language

Clock

Timer

On Time

Sleep

PICTURE MODE

0

4-2-4 Option

Summary of Contents for TX14N3DF4X/XET

Page 1: ...4X XEU TI14P1DF4X XEU TI14P74X XEU TI14P94X XEU TI20P1DF4X XEU TI20P5DF4X XEU Television Video Cassette Recorder CONTENTS Precautions Specifications Disassembly and Reassembly Alignment and Adjustment 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 ...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd Aug 2002 Printed in Korea 3C17A SESA 0819 ...

Page 3: ...ts 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 unit s 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 ...

Page 4: ...t 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 overheat ing 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 p...

Page 5: ...ssible 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 430V 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 Neve...

Page 6: ...trical 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 anti static 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 are ...

Page 7: ...M A2 STEREO Luminance FM azimuth recording Colour Down converted subcarrier phase shifted direct recording FF REW time Less than 100 seconds in FF with E 120 Wow and flutter WTD 0 4 maximum SP Frequency response 100 Hz 8 KHz GENERAL Power supply 220 240V 50Hz 110 260V 50 60Hz option 160 300V 50 60Hz Russia Consumption 14 15 50W 20 21 60W Audio output power 14 15 2W 20 2W 21 1 0Watts x 2 Number of ...

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

Page 9: ... 1 Œ ˇ ˆ Ø Fig 3 1 Top parts Location 1 Œ GEAR FL CAM MOTOR LOADING ASS Y ˇ LEVER FL ARM ASS Y HOLDER FL CASSETTE ASS Y ˆ LEVER FL DOOR Ø SLIDER FL DRIVE 3 Disassembly and Reassembly 3 1 Deck Parts Locations 3 1 1 Top View ...

Page 10: ... ˇ ˆ Ø Ô Ò Fig 3 2 Top Parts Location 2 Œ FE HEAD CYLINDER ASS Y ˇ ACE HEAD ASS Y LEVER UNIT PINCH ASS Y ˆ LEVER 9 GUIDE ASS Y Ø LEVER TENSION ASS Y BAND BRAKE ASS Y DISK S REEL LEVER S BRAKE ASS Y GEAR IDLE Ô LEVER IDLE LEVER T BRAKE ASS Y Ò DISK T REEL ...

Page 11: ...lectronics 3 3 3 1 2 Bottom View Œ ˇ ˆ Ø Fig 3 3 Bottom Parts Location Œ GEAR JOINT 1 GEAR JOINT 2 ˇ BRACKET GEAR MOTOR CAPSTAN ASS Y ˆ LEVER T LOAD ASS Y Ø GEAR LOADING DRIVE LEVER S LOAD ASS Y HOLDER CLUTCH ASS Y BELT PULLEY SLIDER CAM ...

Page 12: ... y Πas grasping the Holder FL Cassette Ass y Πand Lever FL Cassette R in the same time to release hooking from Main Base until the Boss A of Holder FL Cassette Ass y Πis taken out from the Rail B 3 Lift the Holder FL Cassette Ass y Πin this time you have to grasp the Lever FL Cassette R Continuously until the Holder FL Cassette Ass y Πis taken out completely Note Be sure to insert Lever FL Ca...

Page 13: ...2 3 Slider FL Drive Gear FL Cam Removal 1 Pull the Slider FL Drive Πto the front direction 2 Remove the Slider FL Drive Πin the direction of arrow Refer to Fig 3 6 3 Remove the Gear FL cam Note When reinstalling be sure to reassemble Slider FL drive Πafter you insert the Boss of Lever FL ARM R in Groove of Slider Fl drive ΠAssembly Align the Gear FL Cam Πwith the Gear worm wheel Post as shown...

Page 14: ... Gear Worm Wheel Removal 1 Remove the Gear Worm wheel ΠΠGEAR WORM WHEEL Fig 3 9 Gear Worm Wheel Removal 3 2 6 Motor Loading Ass y Removal 1 Remove the screw Π2 Remove the Motor Loading Ass y MOTOR LOADING ASS Y ΠSCREW Fig 3 10 Motor Loading Ass y Removal ...

Page 15: ... GEAR JOINT 2 3 2 8 Gear Loading Drive Slider Cam Lever Load S T Ass y Removal 1 Remove the Belt Pulley Refer to Fig 3 30 2 Remove the Gear Loading Drive Œ after releasing Hook A in the direction arrow as shown in detail drawing 3 Remove the Slider Cam 4 Remove the Lever Load ˇ Link Load ˆ Lever Load Link Load Ø Œ GEAR LOADING DRIVE ˆ LINK LOAD S ˇ LEVER LOAD S LEVER LOAD T Ø LINK LOAD T SLIDE CAM...

Page 16: ...t of Gear Loading Drive Refer to Timing Point 2 4 Aline dot of Gear Loading drive with mark of Slider Cam ˇ as shown in drawing Refer to Timing Point 3 LEVER LOAD S Œ LEVER LOAD T LEVER LOAD S LEVER LOAD T PIN A PIN C PIN B PIN D ˇ SLIDER CAM TIMING POINT 2 TIMING POINT 1 TIMING POINT 3 3 2 10 Lever Pinch Drive Lever Tension Drive Removal 1 Remove the Lever Pinch Drive Œ Lever Tension Drive Œ LEVE...

Page 17: ...n Ass y seated Rotate stopper of Main Base to the Mark B Œ SPRING TENTION LEVER STOPPER MARK B A LEVER TENTION ASS Y ˇ BAND BRAKE ASS Y 3 2 12 Lever Brake S T Ass y Removal 1 Release the Hook A and the Hook B C in the direction of arrow as shown in Fig 3 17 2 Lift the Lever S T Brake Ass y Œ with spring brake ˇ Assembly 1 Assembly the Lever S Brake Ass y Œ on the Main Base 2 Assembly the Lever T B...

Page 18: ...in the direction of arrow A B 2 Lift the Lever Idle ΠAssembly 1 Apply oil in two Bosses of Lever Idle Π2 Assemble the Gear Idle with the Lever Idle ΠNote When replacing the Gear Idle be sure to add oil in the boss of Lever Idle Π3 2 14 Disk S T Reel Removal 1 Lift the Disk S T Reel ΠGEAR IDLE GEAR IDLE ΠLEVER IDLE A HOOK C B Fig 3 18 Gear Idle Ass y Removal ...

Page 19: ...ion of arrow as shown Fig 3 21 and lift the Lever Up Down Ass y Π2 Lift the Gear Center Ass y Assembly 1 Insert the Lever Up Down Ass y Πin the rectan gular holes on Main Base as shown in Fig 3 22 2 Lift the Lever Up Down Ass y Πabout 35 Refer to Fig 3 22 3 Insert Ring of the Gear Center Ass y in the Guide of the Lever Up Down Ass y Π4 Insert the Gear Center Ass y in the post on Main Base 5 Pu...

Page 20: ...e extreme care not to touch the grease on the Roller Pinch 2 When reinstalling be sure to apply grease on the post pinch roller ˇ SPRING PINCH DRIVE Œ LEVER UNIT PINCH ASS Y PLATE JOINT Fig 3 23 Guide Cassette Door Removal Fig 3 24 Lever Unit Pinch Ass y Plate Joint Spring Pinch Drive Removal 3 2 17 Guide Cassette Door Removal 1 Lift the Hook A 2 Rotate the Guide Cassette Door Œ in the direction o...

Page 21: ...e direction of arrow A Note 1 Take extreme care not to get grease on the tape Guide Post 2 After reinstalling check the bottom side of the Post 9 Guide to the top side of Main Base ΠSPRING 9 GUIDE LEVER 9 GUIDE ASS Y A B Fig 3 25 Lever 9 Guide Ass y Removal 3 2 20 FE Head Removal 1 Remove the screw Π2 Lift the FE Head ΠFE HEAD Fig 3 26 FE Head Removal ...

Page 22: ...connector of ACE Head Ass y 2 Remove the screw Π3 Lift the ACE Head Ass y ΠSCREW HEAD ACE ASS Y 3 2 22 Slider S T Ass y Removal 1 Move the Slider S T Ass y Πto slot and then lift it to remove Refer to arrow ΠSLIDER S ASS Y SLIDER T ASS Y Fig 3 27 ACE Head Removal Fig 3 28 Slider S T Ass y Removal ...

Page 23: ... Œ Note 1 Take care not to touch the Cylinder Ass y ˇ and the tape guide post at reinstalling 2 When reinstalling Don t push down too much on Screw Driver Œ 3 SCREWS PLATE GROUND DECK ˇ CYLINDER ASS Y Fig 3 29 Plate Ground Deck Cylinder Ass y Removal 3 2 24 Belt Pulley Removal 1 Remove the Belt Pulley Œ Note Take extreme care not to get grease on Belt Pulley Œ at assembling or reassembling Œ BELT ...

Page 24: ...ˇ MOTOR CAPSTAN ASS Y 3 2 27 How to Eject the Cassette Tape If the unit does not operate on condition that is inserted into housing ass y 1 Turn the Gear worm Œ clockwise with screw driver Refer to arrow Other method Remove the Screw of Motor Load Ass y Separate the Motor Load Ass y Œ GEAR WORM Fig 3 32 Damper Capstan Motor Capstan Ass y Removal Fig 3 33 How to Eject the Cassette Tape 2 When Slide...

Page 25: ... 8 GUIDE SHAFT CAPSTAN SHAFT 9 GUIDE POST 3 GUIDE POST GUIDE ROLLER S T O O O O O O O CYLINDER ASS Y O O O O O O O O O FE HEAD O O O O O O O ACE HEAD O O O O O O O O O PINCH ROLLER O O O O O O O O O POST REEL S T SLEEVE TENSION POST CENTER LEVER IDLE BOSS 2Point CAPSTAN MOTOR PULLEY O O O O O BELT PULLEY O O O O O O O HOLDER CLUTCH ASS Y O O O O O O O O O GEAR CENTER ASS Y O O O O O O O O O GEAR I...

Page 26: ... HEAD CYLINDER ASS Y PINCH ROLLER GUIDE ROLLER S GUIDE ROLLER T 8 GUIDE POST 9 GUIDE POST CAPSTAN SHAFT ACE HEAD 3 GUIDE POST 3 4 Tape Transport System and Adjustment Locations The tape transport system has been adjusted precisely in the factory Alignment is not necessary except for the following 1 Noise observed on the screen 2 Tape damage 3 Parts replacement in the tape transport system Lower fl...

Page 27: ...ly turn the screw A tilt adjust on the ACE head ass y 4 Reconfirm the ACE head height Fig 3 5 3 Tape Guide Check 3 5 1 c AUDIO AZIMUTH ADJUSTMENT 1 Load alignment tape Mono scope and playback the NTSC 7KHz PAL 6KHz signal 2 Connect channel 1 scope probe to audio output test point 3 Adjust screw B to achieve maximum audio level See Fig 3 5 1 4 5 1 d ACE HEAD POSITION X POINT ADJUSTMENT 1 See 2 Alig...

Page 28: ...f the video RF envelope at the exit side 4 If the section A in Fig 3 5 5 does not meet the speci fication adjust the guide roller S up or down 5 If the section B in Fig 3 5 5 does not meet the speci fication adjust the guide roller T up or down Fig 3 5 4 Envelope Waveform Adjustment a a b c d c b d a 63 b c d Fig 3 5 5 Adjustment Points A B A B H D SWITCHING PULSE ENVELOPE 6 Play back the Mono Sco...

Page 29: ...n the unit using with T 120 E 120 The video envelope should meet the specification as shown in Fig 3 5 8 In SP mode A should equal B If the head gap is wide upper cylinder should be checked A B Fig 3 5 8 Envelope Output and Output Level 3 5 5 Tape Wrinkle Check 1 Run the T 160 E 180 tape in the playback FPS RPS and Pause modes and observe tape wrinkle at each guide 2 If excessive tape wrinkle is o...

Page 30: ...3 22 Samsung Electronics MEMO ...

Page 31: ...ence White Balance Sub Brightness Vertical Center Vertical Size Horizontal Size 4 2 1 Procedure for the Adjustment Mode 1 This mode uses the standard remote control The Service Mode is activated by 1 pressing the FACTORY service key on the local key board or 2 by entering the following remote control sequence within 2 seconds STAND BY DISPLAY MENU MUTE POWER ON 2 The SERVICE FACTORY message will b...

Page 32: ...TA 28 5 1 6 10 6 9 38 32 32 0 11 30 38 27 40 38 22 4 1 12 26 31 27 15 2 2 5 NOTE PVS PVA PHS NVS NVA NHS parameters must be aligned using both the 50 Hz and 60 Hz vertical field rates 4 2 3 AGING Mode Reference Only This pattern is used for pre heating the CRT during manufacturing it is accessed in the factory by twice pressing the FACTORY key Even if the TV power is cut off the Aging Mode is not ...

Page 33: ...TS OPTION VPS PDC TTX 0 EUROPE URSSIA CF CI CW CX CB CII 1 2 ON OFF 2HD 2HDLP 4HD HIFI SHOWVIEW VIDEO PLUS NONE ON OFF PDC VPS NONE ON OFF 4 3 Reset BYTE 1 2 3 4 5 6 7 8 9 ITEM Contrast Bright Sharpness Color Tint Volume Program Number Color System Sound System 3DB LNA Panel Lock Language Clock Timer On Time Sleep PICTURE MODE 0 4 2 4 Option ...

Page 34: ...transformer 4 4 2 Automatic Degaussing A degaussing coil is mounted around the picture tube so that external degaussing after moving the TV should be unnecessary But the receiver must be properly degaussed upon installation The degaussing coil operates for about 1 second after the power is switched ON If the set has been moved or turned in a different direction disconnect its AC power for at least...

Page 35: ... for at least 20 minutes 2 Plug in the CRT deflection yoke and tighten the clamp screw 3 Plug the convergence yoke into the CRT and set in as shown in Fig 4 1 4 Input a black and white signal 5 Fully demagnetize the receive by applying an external degaussing coil 6 Turn the CONTRAST and BRIGHTNESS controls to maximum 7 Loosen the clamp screw holding the yoke Slide the yoke backward or forward to p...

Page 36: ...s 3 Check the data in the Service Mode 4 Adjust RG BG in the Factory Mode 4 4 7 B LOW LIGHT ADJUSTMENT 1 Automatically accomplished during the high light adjustment 4 Pole Magnet 6 Pole Magnet 2 Pole Magnet Clamper Screw 2 POLE PURITY YOKE CLAMP SCREW 6 POLE CONVERGENCE 4 POLE CONVERGENCE ADJUST VERTICA 31m m Vertical Green Belt Fig 4 1 Convergence Magnet Assembly Fig 4 2 Center Convergence Adjust...

Page 37: ... and blue horizontal line in the center of the screen 6 Adjust the two tab pairs of the 6 pole magnets to superimpose the red and blue line onto the green Changing the angle affects the vertical lines and rotating both magnets affects the horizontal lines 7 Repeat adjustments 2 6 if necessary 8 Since the 4 pole magnets and 6 pole magnets interact the dot movement is complex Fig 4 3 RED BLUE BLUE R...

Page 38: ...ision or Monitor 2 Oscilloscope Wide band dual trace trig gered delayed sweep 3 DC Voltmeter 4 TV CH Generator 5 Attenuator 6 Recording tape Blank tape 7 Pattern Generator PAL color bar 100 White Fig 4 4 Alignment Tape 0 3V Burst Signal as fiat as possible White 100 signal White 75 signal 0 3V 0 7V Horizontal sync signal Fig 4 5 Color bar signal of pattern generator Yellow Cyan Green Magenta Red B...

Page 39: ...top Play position 5 Min over MAIN Break ON MODE High speed Rew Low speed FF High speed FF Low speed Rew STANBY POWER OFF LOADING START LOADING END REV PLAY STOP1 STOP 2 FF REW 1 FF REW 2 I II III IV V VI VII a b c d e f F R2 F R1 SPT2 SPT1 PLAY REV LOAD END LOAD START POWER OFF STANDBY E SEN S SEN SW C SW B SW A SW POSITION FL SW ON less than 3 5v OFF more than 3 5v Input to A D port START END SEN...

Page 40: ...4 10 Samsung Electronics MEMO ...

Page 41: ...4S FD801S No Is IC801S Pin 3 19 22V Check IC801S Zener diode Check Replace T801S No Yes No Yes Check Voltage of A5V A3 3V A15V power line Check whether each power line is short or open No No Yes Is IC201S Pin 54 Voltage 3 3V Check H V SYNC on IC201S Pins 33 21 22 Check Replace IC901 Check IC201S Pin 11 is High when power is On Check Replace IC902 Check the voltage of TU001 Yes Yes No No Yes ...

Page 42: ... Electronics 5 2 No RF Picture Sound Check IC201S 40 24 Check IC201S R G B pins 51 52 53 Yes No Check Another I2C bus line Check Q401 Q402 Replace Replace IC201S No Check After bus line open No Replace No Yes No Check FBT Yes Yes ...

Page 43: ...ent level 2 Check AV Video Sound Playback 3 See Audio Block Diagram 5 5 RF Weak Signal Playback AV Mode OK 1 Check Tuner TU01S B Check 9V 33V 5V CN802A 5 6 Recording Defect 1 CN802A Check Retouch 2 2nd Tuner TU02S B Check 33V LT02 5V JTV501 3 2nd If Check 5V ICT01 Video out Audio out 4 Video Defect IC701 Check 5 Audio Defect IC701 Check 6 Standby Recording Defect ICM601 42 Line 7 VPS PDC Recording...

Page 44: ...ck the Color Adjustment level 2 Check the Sandcastle Pulse Line IC201S 34 3 Check the R Y B Y Line IC201S 51 53 5 8 No Vertical SCAN 1 Check L301 L302 C310 2 Check IC301 2 3 Check IC201S 21 22 4 Check DY Connector 5 9 Horizontal Size 1 Check LR401S L402 CR402S ...

Page 45: ...Regulator Inoperative No No See Mechanism Does Not Operate in Play Mode See Video Missing in Play Mode Yes Does Not Operate or Operates but Stops Soon RF VIDEO Play Indication in Display Mechanism Operation See PB Audio Audio Missing in Play Mode Insert a Cassette Tape Recorded by Another VCR and Press Play Button PB Video ...

Page 46: ...CM601 77 76 Low Check Tape Load ICM601 38 HIGH ICM601 39 LOW No Moter B ICM602 3 9 21 No Motor B Line Replace ICM601 Replace ICM602 Cylinder Rotation No See Cylinder Does Not Rotate High Yes Yes Prog SW State ICM601 63 64 65 No Deck Loading Motor Mechanism S T Reel ICM601 99 98 DC PTM601 PTM602 Supply Take Up Reel Sensor PTM601 PTM602 Yes Mechanism Does Not Operate In Play Mode Place VCR Power On ...

Page 47: ...ee Audio Mising in Record Mode D REC H ICM601 66 Low Check ICM601 Rec SW Logic ICM601 No Change Tape Replace Replace SWM611 REC Video No See Video Missing in Record Mode High Yes Load VCR With a Blank Tape and Press Record Button Yes Yes Play Operation No See Play Mode Inoperative Yes ...

Page 48: ...3 Fast Forward Mode Inoperative Check Mechanism Mechanism State ICM601 63 64 65 STOP See Mechanism Does Not Operate In Play Mode Capstan Motor Rotation STOP See Capstan Does Not Rotate F FWD Rotate Load VCR With a Tape and Press F Fwd Button Yes ...

Page 49: ...ode Inoperative Check Mechanism Mechanism State ICM601 63 64 65 STOP See Mechanism Does Not Operate In Play Mode Capstan Motor Rotation STOP See ICM601 25 Rew Rotate Press Rewind Button Yes Load VCR With a Tape No See Fast Forward Mode Inoperative Rotate ...

Page 50: ...de Inoperative Replace ICM601 Capstan Speed Replace ICM601 Noise Bar Locking Serach Speed Yes Press REV Search Button Yes Play Operation No See Play Mode Inoperative Yes No Rec SW Logic ICM601 No Change Tape Replace Check Mechanism Play Speed Capstan Motor Yes ...

Page 51: ...hanism Does Not Operate Press Eject Button Tape Loading Yes Turn the VCR Power On and Insert a Tape No Check LM B Line No No Check Start End Sensor ICM601 Yes ICM601 39 Check Control Pulse ICM601 76 77 No Replace ICM602 Yes ICM602 12 LOW ICM602 11 HIGH Check ICM601 No ...

Page 52: ...oting 5 12 Samsung Electronics 5 17 No Servo Lock Play No Check A C Head No Check Start End Sensor ICM601 Yes CTL Pluse ICM601 4 C FG ICM601 93 Yes Replace ICM601 Yes Check CTL Pulse AC Level SP LP Over 2Vp p No ...

Page 53: ...o Check A5V at AL6V Line of Power Supply No Check 12V at AL15V Line of Power Supply Yes AL 5V CNM603 8 9V CNM603 5 Place the VCR In Play Mode Yes No Check C M CTL RM606 RM604 No Check I LIMIT RM618 Yes 2 5V CNM603 4 CNM603 3 2 5V Check Capstan Motor Yes No Check ICM601 Yes ...

Page 54: ...tronics 5 19 Drum Does Not Rotate No Check 12V Check 12V ICM602 9 21 Place the VCR In Play Mode Yes No Replace XTM601 CM609 CM610 Faster Check D FG D PG ICM601 96 97Square Wave Slower 8 MHz XTM601 CYL Speed Check Cylinder Motor Yes Yes ...

Page 55: ...ng In Play Mode Replace ICM301 Check ICM301 18 Yes Place VCR Play Mode No Check QM302 No Yes Video ICM301 20 Video FM In ICM301 17 No Check Video Out Line Yes Video ICM301 29 Video EE Mode Operation No See Video Missing In EE Mode Yes Yes Check Video Head No ...

Page 56: ...ng Electronics 5 21 Video Missing In Record Mode No Replace ICM301 Check Video Head Place VCR Record Mode Yes FM Video ICM301 18 FM Video ICM301 21 Yes Video EE Mode Operation No TV Switching Circuit Check Yes Yes No Check RM313 ...

Page 57: ...Electronics 5 17 5 22 Color Missing In Play Mode FM ENV ICM301 61 Yes Color ICM301 71 S W 25Hz ICM301 11 No Check ICM601 No No See Video Missing In Play Mode Replace ICM301 Yes Check XTM301 4 43MHz Yes No Change XTM301 Yes No ...

Page 58: ...ectronics 5 23 Color Missing In Record Mode VIdeo In Record Mode Yes Color ICM301 61 Check XTM301 4 43MHz No Replace XTM301 No No TV Switching Circuit Check Replace ICM301 Yes Yes Yes FM Signal ICM301 71 Replace ICM301 No Check CM351 ...

Page 59: ... pin75 5V Check ICM301 pin23 24 IC CLK DATA No Check ICM301 pin 1 PB Audio Signal Small Signal Check PC 5V Line Yes Yes Yes Yes Yes No Check VCR MICOM ICM601 pin27 28 No Check A C Head and PB EQ Block AUDIO HEAD AZIMUTH No Check CM301 Check ICM301 pin100 PB audio signal Small Signal No Replace ICM301 Check ICM301 pin96 PB Audio Signal ...

Page 60: ...5 5V Yes Yes Yes No Check PC 5V Line No No Replace ICM301 Check ICM301 pin7 REC audio signal Check IC702 14 MONO out No Check IC702 Yes Place VCR in REC Mode Replace CNM302 Yes Check CNM302 Pin5 No Check A C Head Assembly Yes Check FLM501 Pin5 REC bias signal Check CM370 RM357 RM358 CM371 CM373 CM372 QM312 RM359 ...

Page 61: ...6 Exploded View Parts List 6 1 14N5 6 2 14P1 20P1 Exploded View Parts List Samsung Electronics 6 1 ...

Page 62: ...Exploded View Parts List 6 2 Samsung Electronics 6 3 21B5 ...

Page 63: ...EAD ACE ASS PPS TS 10 G510 6006 001075 SCREW ASS TAPT WSP PH M2 6 L5 0 ZPC G520 AC66 00033A LEVER 9 GUIDE ASS TS 10 G527 AC61 60553A SPRING 9 GUIDE ES SUS304 WPB OD3 1 0 G530 AC33 00007A HEAD FE HVFHPOO43A G546 AC66 00005A LEVER FL DOOR TS 10 POM NAT G555 AC66 00032A LEVER UNIT PINCH ASS TS 10 G680 AC66 00046A LEVER HEAD CLEANER ASS TS 10 POM URETH G681 AC61 50686A SLEEVE HEAD CLEANER POM TS K110 ...

Page 64: ...8 AC66 00017A LEVER PINCH DRIVE TS 10 SECC E20 20 1 0 B478 AC66 00016A LEVER TENSION DRIVE TS 10 SECC E20 20 1 B484 AC66 00030A GEAR LOADING DR ASS TS 10 POM SWPB B488 AC66 00023A LEVER S LOADING TS 10 POM NAT B489 AC66 00021A LINK LOADING S TS 10 SECC E20 20 0 8 B500 AC66 00024A LEVER T LOADING TS 10 POM NAT B501 AC66 00022A LINK LOADING T TS 10 SECC E20 20 0 8 B560 AC31 00010A MOTOR CAPSTAN SANK...

Page 65: ...H 27 5mH 1 AA98 70032A ASSY TBC WIRE P 1 AA27 00241A COIL DEGAUSSING CPT TV 14INCH 10 55 1 AA60 10050R SCREW ASSY SWRCH18A M5 L31 5 HH WC 1 AA60 10008A SCREW TAPPING SWRCH18A M3 L10 TH 1 AC60 12134A SCREW TAP BH FZB 2 4X16 FE BH 1 6003 000170 SCREW TAPTITE PH B M4 L12 ZPC YEL SWR 1 AA65 30008A CLAMP CORD PE HB BLK 1 AA65 30009A CLAMP FBT ABS V0 BLK 1 AA65 30018A CLAMP WIRE DONG A NYLON 66 DATL 60 ...

Page 66: ...00340A LABEL WARRANTY WHT 75MM 20 1 AA68 00345A LABEL TRANSFER WARRANTY TF 53B5D 1 AA68 00340A LABEL WARRANTY WHT 75MM 20 1 AA68 00345A LABEL TRANSFER WARRANTY TF 53B5D 1 AA96 20130C ASSY POWER CORD CP2 NO 4 0R H C300MM 1 AA60 10008A SCREW TAPPING SWRCH18A M3 L10 TH 1 6003 000170 SCREW TAPTITE PH B M4 L12 ZPC YEL SWR 1 AC60 12134A SCREW TAP BH FZB 2 4X16 FE BH 1 AA60 10050R SCREW ASSY SWRCH18A M5 ...

Page 67: ...18A M3 L10 TH 1 AC60 12134A SCREW TAP BH FZB 2 4X16 FE BH 1 6003 000170 SCREW TAPTITE PH B M4 L12 ZPC YEL SWR 1 AA65 30008A CLAMP CORD PE HB BLK 1 AA65 30009A CLAMP FBT ABS V0 BLK 1 AA65 30018A CLAMP WIRE DONG A NYLON 66 DATL 60 1 AA65 30104C CLAMP WIRE ALL MODEL NYLON 66 V2 NTR W 1 AA65 30016A CLAMP D COIL NYLON 66 V0 NTR DADH 36 1 AA61 00050A SPRING DOOR TVCR TVI SUS304 1 AA64 02988J DOOR ABS 1 ...

Page 68: ... AA27 00241A COIL DEGAUSSING CPT TV 14INCH 10 55 1 AA60 10050R SCREW ASSY SWRCH18A M5 L31 5 HH WC 1 AA60 10008A SCREW TAPPING SWRCH18A M3 L10 TH 1 AC60 12134A SCREW TAP BH FZB 2 4X16 FE BH 1 6003 000170 SCREW TAPTITE PH B M4 L12 ZPC YEL SWR 1 AA65 30008A CLAMP CORD PE HB BLK 1 AA65 30009A CLAMP FBT ABS V0 BLK 1 AA65 30018A CLAMP WIRE DONG A NYLON 66 DATL 60 1 AA65 30104C CLAMP WIRE ALL MODEL NYLON...

Page 69: ... P 1 AA27 00241A COIL DEGAUSSING CPT TV 14INCH 10 55 1 AA60 10050R SCREW ASSY SWRCH18A M5 L31 5 HH WC 1 AA60 10008A SCREW TAPPING SWRCH18A M3 L10 TH 1 AC60 12134A SCREW TAP BH FZB 2 4X16 FE BH 1 6003 000170 SCREW TAPTITE PH B M4 L12 ZPC YEL SWR 1 AA65 30008A CLAMP CORD PE HB BLK 1 AA65 30009A CLAMP FBT ABS V0 BLK 1 AA65 30018A CLAMP WIRE DONG A NYLON 66 DATL 60 1 AA65 30104C CLAMP WIRE ALL MODEL N...

Page 70: ... 4X16 FE BH 1 AA60 10050R SCREW ASSY SWRCH18A M5 L31 5 HH WC 1 AA65 30008A CLAMP CORD PE HB BLK 1 AA65 30009A CLAMP FBT ABS V0 BLK 1 AA65 30018A CLAMP WIRE DONG A NYLON 66 DATL 60 1 AA65 30104C CLAMP WIRE ALL MODEL NYLON 66 V2 NTR W 1 AA65 30016A CLAMP D COIL NYLON 66 V0 NTR DADH 36 1 AA61 00050A SPRING DOOR TVCR TVI SUS304 1 AA64 01798T DOOR 20P1 ABS 1 AA92 05390A ASSY CABINET FRONT 14P1 1 AA64 0...

Page 71: ... HH WC 1 AA60 10008A SCREW TAPPING SWRCH18A M3 L10 TH 1 AC60 12134A SCREW TAP BH FZB 2 4X16 FE BH 1 AA65 30008A CLAMP CORD PE HB BLK 1 AA65 30009A CLAMP FBT ABS V0 BLK 1 AA65 30018A CLAMP WIRE DONG A NYLON 66 DATL 60 1 AA65 30104C CLAMP WIRE ALL MODEL NYLON 66 V2 NTR W 1 AA65 30016A CLAMP D COIL NYLON 66 V0 NTR DADH 36 1 AA61 00050A SPRING DOOR TVCR TVI SUS304 1 AA64 02932M DOOR ABS 1 AA92 05390C ...

Page 72: ...WC 1 AA60 10008A SCREW TAPPING SWRCH18A M3 L10 TH 1 AC60 12134A SCREW TAP BH FZB 2 4X16 FE BH 1 AA65 30008A CLAMP CORD PE HB BLK 1 AA65 30009A CLAMP FBT ABS V0 BLK 1 AA65 30018A CLAMP WIRE DONG A NYLON 66 DATL 60 1 AA65 30104C CLAMP WIRE ALL MODEL NYLON 66 V2 NTR W 1 AA65 30016A CLAMP D COIL NYLON 66 V0 NTR DADH 36 1 AA61 00050A SPRING DOOR TVCR TVI SUS304 1 AA64 03016M DOOR HOUSING ABS 1 AA92 053...

Page 73: ...12 ZPC YEL SWR 1 AA60 10008A SCREW TAPPING SWRCH18A M3 L10 TH 1 AA60 10050R SCREW ASSY SWRCH18A M5 L31 5 HH WC 1 AC60 12134A SCREW TAP BH FZB 2 4X16 FE BH 1 AA65 30008A CLAMP CORD PE HB BLK 1 AA65 30009A CLAMP FBT ABS V0 BLK 1 AA65 30018A CLAMP WIRE DONG A NYLON 66 DATL 60 1 AA65 30104C CLAMP WIRE ALL MODEL NYLON 66 V2 NTR W 1 AA65 30107A CLAMP D COIL 20 22 INCH NYLON 66 V2 NT 1 AA61 00050A SPRING...

Page 74: ...PH B M4 L12 ZPC YEL SWR 1 AA60 10008A SCREW TAPPING SWRCH18A M3 L10 TH 1 AA60 10050R SCREW ASSY SWRCH18A M5 L31 5 HH WC 1 AC60 12134A SCREW TAP BH FZB 2 4X16 FE BH 1 AA65 30008A CLAMP CORD PE HB BLK 1 AA65 30009A CLAMP FBT ABS V0 BLK 1 AA65 30018A CLAMP WIRE DONG A NYLON 66 DATL 60 1 AA65 30104C CLAMP WIRE ALL MODEL NYLON 66 V2 NTR W 1 AA65 30107A CLAMP D COIL 20 22 INCH NYLON 66 V2 NT 1 AA61 0005...

Page 75: ...H 10 55 1 AA60 10050R SCREW ASSY SWRCH18A M5 L31 5 HH WC 1 AA60 10008A SCREW TAPPING SWRCH18A M3 L10 TH 1 AC60 12134A SCREW TAP BH FZB 2 4X16 FE BH 1 6003 000170 SCREW TAPTITE PH B M4 L12 ZPC YEL SWR 1 AA65 30008A CLAMP CORD PE HB BLK 1 AA65 30009A CLAMP FBT ABS V0 BLK 1 AA65 30018A CLAMP WIRE DONG A NYLON 66 DATL 60 1 AA65 30104C CLAMP WIRE ALL MODEL NYLON 66 V2 NTR W 1 AA65 30016A CLAMP D COIL N...

Page 76: ...7 12 Samsung Electronics MEMO ...

Page 77: ...n 13 VCR tuner high is high The decoded signal goes to IC701 pin 2 where it is fed to IC 701 pin 9 high output of VCR micom s pin 11 AV Tuner and out to VCR pin 4 for recording 8 1 3 VIEWING A SCRAMBLED CHANNEL WHILE RECORDING AN UNSCRAMBLED CHANNEL The output CVBS of the 2nd IF is fed from IC701 pin 5 to IC701 pin 4 low output of VCR micom pin 11 AV tuner Then it goes to the VCR PART pin 4 for re...

Page 78: ...Block Diagrams 8 2 Samsung Electronics 8 2 C17A PCB Layout ...

Page 79: ...9 Wiring Diagram 9 1 C17A Wiring Diagram Wiring Diagram Samsung Electronics 9 1 ...

Page 80: ...TP01 TP05 TP06 TP02 TP04 TP03 Schematic Diagrams 10 1 Samsung Electronics 10 Schematic Diagrams 10 1 MAIN1 VCR SYSTEM BLOCK TP01 TP02 TP03 TP04 TP05 TP06 ...

Page 81: ...Schematic Diagrams 10 2 Samsung Electronics 10 2 MAIN2 VOC TUNER BOX ...

Page 82: ...TP07 TP08 TP09 TP10 TP11 Schematic Diagrams 10 3 Samsung Electronics 10 3 MAIN3 VCR A V BLOCK TP01 TP02 TP03 TP04 TP05 ...

Page 83: ...Schematic Diagrams 10 4 Samsung Electronics 10 4 MAIN4 SWITCHING BLOCK ...

Page 84: ...Schematic Diagrams 10 5 Samsung Electronics 10 5 MAIN5 OPTION PAL HIFI BLOCK ...

Page 85: ...Schematic Diagrams 10 6 Samsung Electronics 10 6 MAIN6 OPTION VCR SECAM BLOCK ...

Page 86: ...Schematic Diagrams 10 7 Samsung Electronics 10 7 POWER FBT ...

Page 87: ...Schematic Diagrams 10 8 Samsung Electronics 10 8 CRT ...

Page 88: ...Schematic Diagrams 10 9 Samsung Electronics 10 9 FRONT A V MASTER SW FRONT A V MASTER SW ...

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