Related Manuals for Samsung CT20D9WFX/RCL
Summary of Contents for Samsung CT20D9WFX/RCL
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Page 1: Table Of Contents
COLOR TELEVISION RECEIVER Chassis : K15D Model : CT20D9WFX/RCL CT20F3FX/RCL COLOR TELEVISION RECEIVER CONTENTS Precautions Specifications and IC Data Disassembly and Reassembly Alignment and Adjustment Troubleshooting Exploded View and Parts List Electrical Parts List Block Diagram Wiring Diagram Schematic Diagrams... -
Page 2: Precautions
Precautions 1. Precautions Follow these safety, servicing and ESD precautions to prevent damage and protect against potential hazards such as electrical shock and X-rays. 1-1 Safety Precautions 1. Be sure that all of the built-in protective devices are replaced. Restore any missing (READING SHOULD NOT BE ABOVE protective shields. - Page 3 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 overheat- ing, and correct any potential hazards. Samsung Electronics...
- Page 4 Precautions 1-2 Servicing Precautions Warning1: First read the “Safety Precautions” section of this manual. If some unforeseen circumstance creates a conflict between the servicing and safety precautions, always follow the safety precautions. Warning2: An electrolytic capacitor installed with the wrong polarity might explode. 1.
- Page 5 These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so. Samsung Electronics...
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Page 6: Specifications And Ic Data
A34KQV42X 14Inch 15 Inch A36QDT351X 15Inch Flat 20 Inch A48KRD82X 20Inch 21 Inch A51KQJ63X 21Inch Power Requirements: AC 120V, 60Hz Antenna Input Impedance: VHF, UHF : Telescopic dipole antenna (75 ohm unbalanced type ) Speaker Impedance 8 ohm Samsung Electronics... - Page 7 Philips TDA7266M (MONO) Philips TDA7266M/TDA7266S SOUND-AMP, IC602 TDA7266S (STEREO) KA5Q0740RT POWER IC (STR) IC801S FIAIR CHILD (0765RT) IC802 KA7632 CUSTOM REGULATOR (5V, 8V, 3.3V) IC202 24C04 EEPROM PC801S TCET1108 / LTV817B PHOTO COUPLER ICS601 UPC1851B Sound Processor (STEREO) Samsung Electronics...
- Page 8 Specifications and IC Data 2-3 Semiconductor Base Diagrams ELECTROLYTIC- CONDENSER DIODE SPM458AN(Pin 64) U4468B(Pin 16) UPC851B(Pin 42) TRANSISTOR SAW-FILTER TRANSISTOR M1864M KSC5802 KSC815-Y KSA539-Y E B C TRANSISTOR LA7840 TDA6107Q KA7632 KSC2331-Y E C B Fig. 2-1 Semiconductor Base Diagrams Samsung Electronics...
- Page 9 MEMO...
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Page 10: Disassembly And Reassembly
Disassembly and reassembly 3. Disassembly and Reassembly 3-1 Back Cover Removal 1. After removing the screws, press the tension rib and pull the cabinet backwards. 2. To reassemble, press the tension rib (see diagram). Samsung Electronics... - Page 11 Warning: The FBT is charged with high voltage. Before removing the Anode Cap, discharge the voltage through one of the heat sinks on the main board. 3-3 Speaker Removal 1. Remove the speaker by pressing the tension rib. Samsung Electronics...
- Page 12 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. Samsung Electronics...
- Page 13 MEMO Samsung Electronics...
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Page 14: Alignment And Adjustment
“VOLUME” keys ( Up or Down). The adjust- 6. Cancel the Adjustment Mode by re-pressing ment parameters are listed in the accompany- the “FACTORY” or “Power OFF” keys. ing table, and selected by pressing the CHAN- NEL keys ( Samsung Electronics... - Page 15 0 ~ 1 M atri x U S A FIX (Mono) A u tomatic Gain C ontrol 0 ~ 6 3 0 ~ 1 D y nami c S k i n Tone DVDB D VD B right Offs et Samsung Electronics...
- Page 16 AIR/STD/HRC/AFN - U.S Army - Available (U.S.A, Army) X-RAY - Unavailable (South America) - Available (U.S.A) V-CHIP - Unavailable (Canada) TV ↔ AV AV Option TV ↔ AV ↔ DVD - Available (South America) DEMO - Unavailable (U.S.A) Samsung Electronics...
- Page 17 7. Do not attempt 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. Samsung Electronics...
- Page 18 3. Use the P mode key (on the remote control) for the STANDARD picture. 4. Adjust the Screen VR (on the FBT) so that the voltage on the oscilloscope becomes 125+2.5V (See Fig. 4-1). 125 2.5V Fig. 4-1 Samsung Electronics...
- Page 19 Mode with using CA100. See Fig. 4-4. Fig. 4-4 2. Adjust RG,BG so that the levels are suitable to each local area. (c) High-Light Adjustment 1. Set SCT to 50FL(13V : 60FL) in the Factory Service Mode with using CA100. See Fig. 4-4 . Samsung Electronics...
- Page 20 8. Since the 4-pole magnets and 6-pole magnets lines in the center area of the screen. interact, the dot movement is complex (Fig. 4-5). RED/BLUE GREEN BLUE BLUE RED/BLUE GREEN 6-Pole Magnet Movement 4-Pole Magnet Movement Fig. 4-5 Center Convergence Adjustment Samsung Electronics...
- Page 21 4. Fig. 4-7 4. Adjust with VSL (Vertical-Slope) so that the bottom margin of the picture is 4. Fig. 4-8 5. Adjust with HS (Horizontal Shift) so that the lion-head pattern and CRT centers are aligned. Samsung Electronics...
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Page 22: Troubleshooting
IC201S Abnormal Normal Replace Abnormal IC201 S Check the FD801S, D807, IC801S Check the or AC-Fuse Check/Replace (33)Pin (H-Drive) IC802 of IC201S Abnormal Normal Abnormal Check the 122.5V- A Line Check the Normal FBT,D805(D806) Check / Replace Q401 Samsung Electronics... - Page 23 Abnormal Check the resistance of R420 Check/Replace Nornal R421,R422,D505 Replace Nornal R420 Check CRT and FBT Abnormal Check/Replace Check IC201S D812,FBT Pin 51,52,53 (R.G.B) Check/Replace Nornal IC201S Check IC201S Pin 49(BCL-IN) Pin50(IK) Abnormal Nornal Check CRT and FBT Samsung Electronics...
- Page 24 Replace Check IC201S Check IC201S IC601 Pin28(MIS) Pin28 Abnormal Check Normal R608,R609 Normal Check TUNER Check IC201S,TUNER Check/Replace Normal Replace/ Check Check ICS601 IC201S IC601 B+/SDA/SCL Abnormal Check FD801S Normal D807 Check/Replace Normal Replace ICS601 FD801S,D807 No Power Samsung Electronics...
- Page 25 Troubleshooting 5-4 Vertical Lines Appear or Screen Abnormal Check IC301 B+ 16V-C,-13.5V-C Normal Check R304,R305 D301,D302 Check IC201S Abnormal Pin 21,22 (VDN,VDP) Normal Check IC201S Check / Replace IC301 Samsung Electronics...
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Page 26: Exploded View And Parts List
Exploded View & Parts List 6. Exploded View & Parts List 6-1 CT20D9WFX/RCL You can search for the updated part code through ITSELF web site. URL : http://itself.sec.samsung.co.kr Code No Description ;Specification Q’ty Remark AA90-04266A ASSY COVER FRONT;K15D,20D8,SV907P,HB A/CFRN AA64-01028K CABINET FRONT;20D8,SV907P,BV,K15AH,HB,G... - Page 27 Exploded View & Parts List 6-2 CT20F3FX/RCL You can search for the updated part code through ITSELF web site. URL : http://itself.sec.samsung.co.kr Code No Description ;Specification Q’ty Remark AA64-03156A CABINET-FRONT;20F3(SAMEX),HIPS HB AA64-70126A BADGE-BRAND;-,AL,-,-,L=45,SAMSUNG,SILVER BADGE AA64-03008A KNOB-POWER;14F3,ABS,HB,G3676,SVM-3012 AA61-60003J SPRING-CS;-,-,SUS304,0.5,OD6,H SPRING AA65-30105A CLAMP-WIRE;NYLON 66N,VO,NTR,15MM...
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Page 28: Electrical Parts List
Electrical Parts List 7. Electrical Parts List 7-1 CT20D9WFX/RCL You can search for the updated part code through ITSELF web site. URL : http://itself.sec.samsung.co.kr Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark... - Page 29 R-CARBON;100OHM,5%,1/8W,AA,TP, 4 R834 2003-001040 R-METALOXIDE(S);47Kohm,5%,2W,AF,TP,3.9x1 4 R911 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, 4 R316 2003-000652 R-METAL OXIDE(S);330ohm,5%,2W,AF,TP,4x12 4 R912 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, 4 R603 2004-000195 R-METAL;100Kohm,1%,1/8W,AA,TP,1.8x3.2m 4 R913 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, 4 R302 2004-001371 R-METAL(S);1.5KOHM,1%,1/2W,AA, 4 R914 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, 4 R306 2004-001371 R-METAL(S);1.5KOHM,1%,1/2W,AA, Samsung Electronics...
- Page 30 C-AL;10UF,20%,50V,GP,5X11MM,5M 4 SW903 3404-000244 SWITCH-TACT;15V,20MA,90-170GF, 4 C812 2401-000262 C-AL;100UF,20%,160V,GP,16X25MM,5MM, 4 SW904 3404-000244 SWITCH-TACT;15V,20MA,90-170GF, 4 C817 2401-000302 C-AL;100UF,20%,25V,GP,6X11MM,5 4 SW905 3404-000244 SWITCH-TACT;15V,20MA,90-170GF, 4 C821 2401-000302 C-AL;100UF,20%,25V,GP,6X11MM,5 4 FD801S 3601-001086 FUSE-AXIAL LEAD;125V,5A,FAST-ACTING,GLAS 4 C823 2401-000302 C-AL;100UF,20%,25V,GP,6X11MM,5 4 F801A 3602-000114 FUSE-HOLDER;-,-,30MOHM Samsung Electronics...
- Page 31 4 EY405 AA60-40011A EYELET;-,ID2.0,OD2.8,-,-,BST 2 BXTAPE 0203-001295 TAPE-OPP MASKING;1242,T0.06,W100,L91.4M, 4 EY414 AA60-40011A EYELET;-,ID2.0,OD2.8,-,-,BST 2 STAPLE AA60-40006A PIN-STAPLE;-,-,-,H18,33X17.8X2 4 EY415 AA60-40011A EYELET;-,ID2.0,OD2.8,-,-,BST 2 C/SET AA69-00450A CUSHION SET;20D8,CASTING,TOOL,-,-,-,- 4 EY416 AA60-40011A EYELET;-,ID2.0,OD2.8,-,-,BST 2 PE-BAG AA69-01208A BAG;SHEET,19-20,W42,L50,FOAM,OEM 4 EY417 AA60-40011A EYELET;-,ID2.0,OD2.8,-,-,BST Samsung Electronics...
- Page 32 0402-000254 DIODE-RECTIFIER;RGP10J,600V,1A,DO-41 4 R914 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, 4 D807 0402-000493 DIODE-RECTIFIER;1R5GU41,400V,1 4 R917 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, 4 D302 0402-000534 DIODE-RECTIFIER;RG10V,400V,1.5 4 R933 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, 4 D301 0402-001105 DIODE-RECTIFIER;ERB43-04SV1,400V,1.0A,-, 4 R934 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, 4 D304 0402-001105 DIODE-RECTIFIER;ERB43-04SV1,400V,1.0A,-, 4 R942 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP, Samsung Electronics...
- Page 33 2008-000266 R-FUSIBLE(S);1OHM,5%,2W,AF,TP, 4 C213 2401-000025 C-ALUMINUM;100uF,20%,16V,GP,TP.6.3x11,5 4 R608 2008-000284 R-FUSIBLE(S);0.1OHM,10%,2W,AF,TP,3.9X10M 4 C229 2401-000025 C-ALUMINUM;100uF,20%,16V,GP,TP.6.3x11,5 4 R609 2008-000284 R-FUSIBLE(S);0.1OHM,10%,2W,AF,TP,3.9X10M 4 C903 2401-000025 C-ALUMINUM;100uF,20%,16V,GP,TP.6.3x11,5 4 R824 2008-000294 R-FUSIBLE;33OHM,5%,2W,AF,TP,3. 4 C910 2401-000025 C-ALUMINUM;100uF,20%,16V,GP,TP.6.3x11,5 4 R422 2008-001011 R-FUSIBLE(S);0.18OHM,10%,2W,AF 4 C605 2401-001998 C-AL;1000UF,20%,25V,GP,TP,10X20 Samsung Electronics...
- Page 34 3812-000219 JUMPER-WIRE-SO,COPPER;TA0.6SN/52M/M(A 4 C232 2301-000289 C-FILM,PEF;5.6NF,5%,50V,6.5X5. 4 J604 3812-000219 JUMPER-WIRE-SO,COPPER;TA0.6SN/52M/M(A 4 L/LINE AA68-01544A LABEL;LINE,ALL MDL COMMON 4 J605 3812-000219 JUMPER-WIRE-SO,COPPER;TA0.6SN/52M/M(A 4 R607 2001-000613 R-CARBON;3.9KOHM,5%,1/8W,AA,TP 4 J606 3812-000219 JUMPER-WIRE-SO,COPPER;TA0.6SN/52M/M(A 2 PWR/AC AA96-20109C ASSY PWR-CORD;CP2/NO(4.0)H/C300,KKP419C, 4 J801 3812-000219 JUMPER-WIRE-SO,COPPER;TA0.6SN/52M/M(A AA39-10006X POWER-CORD;-,KKP419C,KLCE-2F,2.286MT Samsung Electronics...
- Page 35 1 A/CPT AA91-06079A ASSY CPT;A48KRD82X(H),0MG,SEMI-TINT 2 I/B1 AA68-02666A MANUAL USERS;SPA,W/P100(G),B5,K15D 2 BAG-PE AA69-01195A BAG PE;CL29A6W8X,HDPET0.012,93/4X151 2 TAPE 0203-000432 TAPE-ACETATE;ACETATET0.25W19WH 2 RMT AA59-00232A REMOCON;CT20R1,SAMSUNG,BLK,TM59,25,NTS 2 TAPE-D 0203-001279 TAPE-OPP MASKING;#232,T0.14,W15,L50000,Y 2 C/POIN AA68-02407A CARD-POINTS,BLUE,RCL,TV/TVCR 2 CRT AA03-10029X CRT-COLOR;A48KRD82X(H),0MG,SEMI-TINT. 2 C/REG AA68-02410A CARD-REGISTRATION,WHITE,RCL,TV/TVCR 2 C-Y AA27-00002A MAGNET-CONVERGENCE;JH291-SC-OB,29.1M...
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Page 36: Block Diagram
Block Diagram 8. Block Diagram 8-1 K15D T U NE R -F /S V I F SA W V E R T IC AL TECC1040PG32A(38A) M1864M A M P LA7840 I 2C 21/ 22 28 MTS R G B A M P T D A 6107 IC -M C U 50- 53... -
Page 37: Wiring Diagram
R- OUT VIDEO OUT SOUND L IN SOUND L OUT VIDEO IN SOUND R OUT SOUND R IN L - OUT R + OUT L - OUT L + OUT L - OUT L + OUT L + OUT Samsung Electronics... - Page 38 MEMO...
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Page 39: Schematic Diagrams
Schematic Diagrams 10. Schematic Diagrams 10-1 MAIN (1/4) TP01 TP02 TP05 TP04 TP06 TP02 TP03 TP03 TP01 TP04 TP05 TP06 Samsung Electronics 10-1... - Page 40 Schematic Diagrams 10-2 MAIN (2/4) TP07 TP08 TP11 TP09 TP10 TP08 TP09 TP10 TP07 TP11 10-2 Samsung Electronics...
- Page 41 Schematic Diagrams 10-3 MAIN (3/4) TP07 TP07 TP08 TP08 : Power Line : Signal Line Samsung Electronics 10-3...
- Page 42 Schematic Diagrams 10-4 MAIN (4/4) 10-4 Samsung Electronics...
- Page 43 ELECTRONICS Samsung Electronics Co., Ltd. DEC.2002 © Printed in Korea AA82-00268A...