Samsung CS29D4V3X/AAG Service Manual Download Page 29 | Manualshive

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Troubleshooting

Samsung Electronics

5-5

5-6 SMPS (Power Supply) Does Not Function

(1) W he n F 802 is op en :

C he ck/R eplace F 8 02 , IC 80 1 , D 80 2.

(2) W he n F 802 is okay, but S MP S doe s n ot fu nction:

C he ck/R eplace D Z80 1 , D Z8 08 , IC 80 2 , D Z8 05 .

(3) O the rs: S ee "5. Tro ublesh ooting"

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Summary of Contents for CS29D4V3X/AAG

Page 1: ...VISION RECEIVER CONTENTS Precautions Specifications and IC Data Disassembly and Reassembly Alignment and Adjustment Troubleshooting Exploded View and Parts List Electric Parts List Block Diagram PCB Layout Diagram Wiring Diagram Schematic Diagrams 1 2 3 4 5 6 7 8 9 10 11 ...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd NOV 1998 Printed in Korea 3S51A 2904 ...

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 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 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: ...DE L SYST E M CI P AL I UHF CII P AL I VHF UHF CX P AL B G SE C AM B G CK P AL B G D K SE C AM B G D K CB P AL B G CS P AL B G D K SE C AM B G D K NT4 43 NT3 58 SYSTEM BAND PAL SECAM B G I PAL SECAM D K SECAM K1 PAL D NTSC M VHF 2 12 1 13 2 9 2 13 UHF 21 69 21 69 13 57 14 69 SYSTEM BAND PAL SECAM B G PAL SECAM D K K1 PAL I NTSC M Picture IF Carrier 38 90 38 90 38 90 38 90 Sound IF Carrier 33 40 32...

Page 8: ...23Y P HOTO C OUP LE R IC 803 9 78R 05 SWITC HING R E GULATOR IC 804 10 KA7630 SWITC HING R E GULATOR 5 8V IC 901 11 SZM503AT MIC OM IC 902 12 24C 040 E E P R OM IC E 01 13 4558 EW DR IVE AMP IC N01 14 TDA9808 SIF DE TE C TOR NIC AM MODUL E IC N02 15 TDA9874H NIC AM DE MODULATOR IC A01 16 L A7567N SIF DE TE C TOR A2 STE R E O MODUL E IC A02 17 TDA9873H A2 DE MODULATOR IC M01 18 LA7566 SIF FM DE TE ...

Page 9: ...837X Pin 56 Z8933112PSC Pin 42 X24CO4P Pin 8 TDA8395 Pin 16 TDA4665 Pin 16 IC TRANSISTOR TRANSISTOR TDA8133 KA7812 IN G OUT TRANSISTOR TRANSISTOR 2SD1651 2SD1650 KSD5072 KSD5071 KSD1711 B C E E B C KSA815 Y KSA539 Y IC UPC574J or KA33V G1962 K2950M K9253M SAW FILTER 1 E C B KSR1012 KSR1010 KSR2010 Fig 2 1 Semiconductor Base Diagrams ...

Page 10: ...2 4 Samsung Electronics MEMO ...

Page 11: ...Disassembly and reassembly Samsung Electronics 3 1 3 Disassembly and Reassembly 3 1 Back Cover Removal 1 After removing the 7 screws pull the cabinet backwards ...

Page 12: ...the AC cord from CN801 6 Separate the DC connector from CN401 7 Separate the CN501B 8P CRT connector from CN501 8 Separate the CNA05 5P A V side connector from CN602 9 Separate the CNA01 8P CRT connector from CN701 10 Separate the Focus Screen Wire from the FBT clamper 11 Separate the TBC wire 2P speaker wires from the wire clamper 12 Separate the CN701 CN602 connector from the wire clamper 13 Sep...

Page 13: ...r Removal Disassembly and reassembly Samsung Electronics 3 3 7 1 Remove the speaker by pressing the tension rib 1 Separate the speaker wires from D coil located on the bottom to the right side 2 Remove the screws ...

Page 14: ...RT backwards 2 Caution Because of the high vacuum and large surface area of the picture tube be careful while handling it 1 Always lift the picture tube by grasping it firmly around the faceplate 2 Never lift the tube by its neck 3 Do not scratch the picture tube or apply excessive pressure Fractures of the glass may cause an implosion ...

Page 15: ...e Fail Safe This adjustment must be the last step 4 2 Factory Service Mode 4 2 1 Procedure for the Adjustment Mode 1 This mode uses the standard remote control The Service Mode is activated by entering the following remote control sequence 1 STAND BY DISPLAY MENU MUTE POWER ON 2 The ÒSERVICE FACTORY Ó message will be displayed The Service Mode has four compo nents Adjustment Test Pattern Option By...

Page 16: ...OL VOLUME LEVEL 0 100 PSL PAL VERTICAL SLOP 0 63 PVS PAL VERTICAL SHIFT 0 63 PVA PAL VERTICAL AM PLITUDE 0 63 PHS PAL HORIZONTAL SHIFT 0 63 PEW PAL EW WIDTH 0 63 PEP PAL EW PARABOLA 0 63 PEC PAL EW CORNER PARABOLA 0 63 PET PAL EW TRAPEZIUM 0 63 VSC VERTICAL SCROLL 0 63 TSC TTX SUB CONTRAST 0 63 SA SEPARATION ADJUSTM ENT 0 14 QEW Q EW WIDTH 0 15 PCT CONTRAST 0 15 PTT PIP TINT 0 63 PHM HORIZENTAL M ...

Page 17: ...ufacturing it is accessed in the factory by twice pressing the ÒHIDDEN Ò key Even if the TV power is cut off the Aging Mode is not cancelled The AGING mode is cancelled by repressing the ÒHIDDENÓ or any key on the front pannel 2 C H P DL 0 FIXE D TSC 40 AGC 18 F IXE D VOL 25 FIXE D SA 25 FIXE D VC O 80 F IXE D P SL 31 FIXE D QE W 5 SBT 7 P VS 31 PCT 7 F IXE D SCT 16 P VA 31 PTT 31 FIXE D SC R 5 FI...

Page 18: ... US ZOOM NOR MAL ZOOM P LUS NORMAL PLUS NORMAL ZOOM 16 9 PIP ON PIP USE D OF F PIP DE LE TE D JAC K SC AR T 21P IN JAC K USE D R C A R C A JAC K USE D AUDIO NIC AM NIC AM MODUL E USE D STE R E O A2 MODULE USE D L STE R E O MONO L INE STE R E O USE D MONO MONO USE D ONE C HIP TDA8844 C R T MOR E THAN 22 INC H USE D TDA8842 C R T MOR E THAN 21 INC H USE D System cs Normal Zoom 16 9 Pip on Jack RCA A...

Page 19: ...AM E NGLISH VIE TNAME SE AR AB FRANCH E NGLISH AR ABIAN FR E NC H MUL TI E NGLISH AR ABIAN P E R SIAN F R E NC H C HINE SE INDONE SIAN MALAYSIAN THAI VIE TNAM TE XT ON TTX USE D OFF TTX DE LE TE D X P R OT ON X R AY P R OTE C TOR USE D OFF NO X R AY P R OTE C TOR FUNC TION S SYSTE M B G 1 THE SOUND SYSTE M C OME S FIR ST IN AUTO SE AR C H 2 SOUND SYSTE M IN F AC TOR Y MODE R E SE T 3 AUTO MODE IS ...

Page 20: ...pt to connect or disconnect any wires while the TV is turned on Make sure that the power cord is disconnected before replacing any parts 8 To protect against shock hazard use an isola tion transformer 4 3 2 Automatic Degaussing A degaussing coil is mounted around the pic ture tube so that external degaussing after moving the TV should be unnecessary But the receiver must be properly degaussed upon...

Page 21: ...loscope probe 2 Input a gray scale pattern Use a pattern generator PM5518 3 Use the Picture mode for the STANDARD pic ture 4 Adjust the Screen VR on the FBT so that the voltage on the oscilloscope becomes 130 2 5V See Fig 4 1 4 3 6 Purity Adjustment 1 Warm up the receiver 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 ...

Page 22: ...OLE CONVERGENCE 4 POLE CONVERGENCE Fig 4 3 Center Convergence Adjustment 31m m Vertical Green Belt Fig 4 4 1 2 a Set up 1 Warm up the TV for at least 30 minutes in the White Pattern 2 Input a Toshiba pattern b High Light Adjustment Set SCT to 50 5 fL in the Factory Service Mode with using CA100 See Fig 4 4 c Low Light Adjustment Set SBT to 1 2 0 2 fL in the Factory Service Mode with using CA100 Se...

Page 23: ...e time keeping the angle constant and superimpose the red 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 int...

Page 24: ...ture is vertically centered 3 Adju s t with P VA so that the top and bottom m argin s of the pic ture are 4 4 Adju s t P HS so that the pic ture is horizon tally centered 5 Adju s t with P E W s o that the left and rig h t m argin s of the pic ture are 5 6 Input a crosshatch pattern 7 Adju s t P E P P E C P E T for vertical linearity 4 4 5 5 ...

Page 25: ...bleshooting 5 1 No Video Raster On No Sound Yes No Check Replace TU101 HC101 No Measure the Voltage of each of 8 pins of TU101 Check IC901 Pins 39 40 See No Video Sound OK See No Sound Video OK Check Replace IC901 IC201 IC902 IC701 Audio Module Yes ...

Page 26: ... Check IC804 Pin 9 5V Check Replace IC801 D802 Check Replace IC804 KA7630 DZ905 DZ804 Check IC901 Pin 18 Stand by 0V Normal 5V Check Replace IC901 Check IC901 Pin 8 4V Check Replace IC901 m com Check IC201 Pin 40 H out Check Replace IC201 Q402 Q403 No Check Q402 Q403 Check Replace DZ805 IC802 Yes Yes Yes ...

Page 27: ...IC201 Pin 6 CVBS Check Replace IC201 Check IC201 Pins 19 20 21 R G B OUT Check IC202 pin 27 Y IN Check Replace IC201 D205 DZ204 Check IC501 on the CRT PCB Check Replace IC501 Check Replace R505 HEATER 6 3Vrms CRT V999 Yes No Check IC201 Pin 12 37 8V Check Replace IC804 KA7630 Yes Yes 2Vp p ...

Page 28: ... Sound output CHECK REPLACE IC601 R601 R602 CHECK IC701 Pin 15 18 Yes Yes No Yes 1 14 15 2 5 5 Power OFF ON Repeatedly CHECK Q403 COLLECTOR H PULSE SEE NO POWER NO YES CHECK IC901 PIN26 H SYNC CHECK REPLACE IC901 Q907 C913 DZ402 NO YES CHECK IC301 PIN7 V BLANK CHECK REPLACE Q301 Q302 D304 YES NO CHECK PIN6 16 5V PIN1 14V CHECK REPLACE R409 R413 D407 D410 DZ302 DZ303 NO YES CHECK REPLACE IC301 IC20...

Page 29: ...lectronics 5 5 5 6 SMPS Power Supply Does Not Function 1 When F 802 is open C heck Replace F802 IC 801 D802 2 When F 802 is okay but SMP S does not function C heck Replace DZ801 DZ808 IC 802 DZ805 3 Others See 5 Troubleshooting ...

Page 30: ...HIPS NTR HB 1 1 7 3001 001072 SPEAKER 5W 16ohm 90dB 180Hz 4 1 8 6002 000514 SCREW TAPPING RH 2 M4 L15 ZPC BLK SWRCH18 8 1 9 AA61 40114B BOSS CABINET 294 299D HIPS V0 BLK TVI 1 1 10 AA64 10783A KNOB CONTROL 254 294 294D G3676 ABS HB GR 1 1 11 6002 000514 SCREW TAPPING RH 2 M4 L15 ZPC BLK SWRCH18 1 1 12 AA64 40506A INDICATOR LED 294 299D ACRYL HB CLR 1 1 13 AA64 40505A WINDOW RMC 294D ABS HB LG41338...

Page 31: ...05 000382 C FILM MPEF 4 7nF 5 400V TP 5mm C409 2201 000551 C CERAMIC DISC 470pF 10 1KV Y5P TP 8x5 5 C410 2401 001397 C AL 470uF 20 25V GP TP 10x16 5 C411 2305 000178 C FILM MPEF 10nF 5 100V TP 5mm C412 2201 000599 C CERAMIC DISC 560pF 10 500V Y5P TP 7x4 5 C413 2401 000302 C AL 100uF 20 25V GP TP 6 3x11 5 C414 2306 000267 C FILM MPPF 8 2nF 5 1 6KV TP 28 5x18 5x12 C415 2306 000267 C FILM MPPF 8 2nF ...

Page 32: ...01 000005 DIODE SWITCHING 1N4148 75V 300mA DO 35 TP D401 0402 000493 DIODE RECTIFIER 1R5GU41 400V 1 5A DO 15L TP D402 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 TP D403 0402 000132 DIODE RECTIFIER 1N4004 400V 1A DO 41 TP D404 0402 001012 DIODE RECTIFIER FMP 3FU 1500V 5A TO 3PF D406 0402 000546 DIODE RECTIFIER TVR10G 400V 1 0A DO 41 TP D407 0402 000216 DIODE RECTIFIER ERC24 06 600V 1 0A DO 20...

Page 33: ...3 TR SMALL SIGNAL KSA539 PNP 400mW TO 92 TP 120 Q801 0501 000369 TR SMALL SIGNAL KSC2331 Y NPN 1W TO 92L 120 Q901 0501 000389 TR SMALL SIGNAL KSC815 NPN 400mW TO 92 TP 120 Q902 0504 000123 TR DIGITAL KSR1010 NPN 300mW 10K TO 92 TP Q903 0504 000123 TR DIGITAL KSR1010 NPN 300mW 10K TO 92 TP Q904 0504 000123 TR DIGITAL KSR1010 NPN 300mW 10K TO 92 TP Q905 0501 000389 TR SMALL SIGNAL KSC815 NPN 400mW T...

Page 34: ...W AA TP R806 2003 001023 R METAL OXIDE S 120ohm 0 05 2W AF TP 3 9x10mm R807 2001 001178 R CARBON S 680OHM 5 1 2W AA TP R808 2002 001011 R COMPOSITION 3 3Mohm 10 1 2W AA TP 3 7x9mm R809 2002 001013 R COMPOSITION 4 7Mohm 10 1 2W AA TP 3 7x9mm R810 2003 000782 R METAL OXIDE S 7 5Kohm 5 2W AA TP 4x12mm R811 2003 000462 R METAL OXIDE S 10Kohm 5 2W AA TP 4x12mm R813 2001 000429 R CARBON 1KOHM 5 1 8W AA ...

Page 35: ...UCTOR AXIAL 10uH 10 2 5x3 4mm LM02 2701 000202 INDUCTOR AXIAL 560nH 10 2 5x3 4mm QM01 0504 000125 TR DIGITAL KSR1012 NPN 300mW 47K TO 92 TP QM02 0504 000125 TR DIGITAL KSR1012 NPN 300mW 47K TO 92 TP QM03 0504 000125 TR DIGITAL KSR1012 NPN 300mW 47K TO 92 TP QM04 0504 000123 TR DIGITAL KSR1010 NPN 300mW 10K TO 92 TP QM05 0504 000123 TR DIGITAL KSR1010 NPN 300mW 10K TO 92 TP QM06 0504 000123 TR DIGI...

Page 36: ...100 260V SMPS TRANS CRT SZM XXXMR IC MCU RGB AMP TDA6108 TUNER TELE4 108A TTX DECODER SAA5261 FBT FUH 29A001 VERTICAL AMP LA7845 H OUT TR STR KA3S1265R KA7630 H E A T E R V H HV 16 5V 14V 16 5V 220V 5V 8V 15V 130V SIF SAW FILTER TDA9808 SIF DETECTOR TDA9874 NICAM DECODER TDA9859 TDA7297 SPEAKER 8W 10W X 2 AUDIO PROCESSOR 2CH AUDIO AMP AUDIO MODULE PIP DECODER SDA9288 TDA9160A ...

Page 37: ...48 DZ302 107 121 DZ303 99 108 DZ304 102 131 DZ305 94 133 DZ306 118 135 DZ402 90 91 DZ403 75 165 DZ501 309 190 DZ502 316 190 DZ503 296 190 DZ505 321 190 DZ601 223 213 DZ602 223 215 DZ603 223 223 DZ604 223 220 DZ701 49 148 DZ702 54 148 DZ703 59 148 DZ704 41 141 DZ705 64 148 DZ801 231 33 DZ802 218 26 DZ803 150 122 DZ804 177 120 DZ805 183 12 DZ807 166 120 DZ808 209 19 DZ901 227 165 DZ904 211 145 DZ905...

Page 38: ... FOCUS SW801 M I C O M S O U ND AMP CN602 P IP T T X MO D UL E T D A 8 8 4 4 T U N E R A U D I O M O D U L E CN701 CN502 CN401 S MP S T R ANS CN501 CN501B A S S Y P W B MA IN C R T ANODE DY SCREEN SOCKET CRT F B T CN01A CN07A CN06A CN05A WOOFER R L A S S Y P W B S ID E ...

Page 39: ...10 2 Samsung Electronics MEMO ...

Page 40: ...51 50 1 2 3 8 4 5 6 7 10 9 11 12 Schematic Diagrams 11 1 Samsung Electronics 11 Schematic Diagrams 11 1 MAIN Power Power Line Signal Line 1 2 3 4 5 6 7 8 9 10 11 12 50 51 ...

Page 41: ...matic Diagrams 11 2 Samsung Electronics 11 2 PWB MAIN One Chip 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Power Line Signal Line 24 23 25 26 27 28 29 30 31 32 22 21 20 19 18 17 16 15 14 13 ...

Page 42: ...Schematic Diagrams 11 3 Samsung Electronics 11 3 PWB MAIN CRT u COM 33 34 35 36 37 38 39 40 42 41 43 44 45 Power Line Signal Line 33 34 35 36 37 38 40 41 42 43 44 45 39 ...

Page 43: ...Schematic Diagrams 11 4 Samsung Electronics 46 47 48 49 11 4 PWB MAIN SUB Power Line Signal Line 46 47 48 49 ...

Page 44: ...Schematic Diagrams 11 5 Samsung Electronics 11 5 PWB MAIN Sound Module ...

Page 45: ...Schematic Diagrams 11 6 Samsung Electronics 11 6 MICOM TTX A V SIDE ...

Page 46: ...Schematic Diagrams 11 7 Samsung Electronics 11 7 PWB MAIN SOUND MODULE STEREO ...

Page 47: ...Schematic Diagrams 11 8 Samsung Electronics 11 8 PWB MAIN SOUND MODULE NICAM ...

Page 48: ...Schematic Diagrams 11 9 Samsung Electronics 11 9 PWB MAIN PIP TTX ...

Page 49: ...Schematic Diagrams 11 10 Samsung Electronics 11 10 PWB MAIN PIP ...

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