Related Manuals for Samsung CW28C75VS8XXEC
Summary of Contents for Samsung CW28C75VS8XXEC
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Page 1: Table Of Contents
COLOR TELEVISION RECEIVER Chassis : KS3A(P) (REV. 2) Model : CW28C75VS8XXEC COLOR TELEVISION RECEIVER CONTENTS Precautions Reference Information Specifications Alignment and Adjustments Troubleshooting Exploded Views and Parts List Electrical Parts List Block Diagrams Wiring Diagram Schematic Diagrams... -
Page 2: Precautions
Heed the high voltage limits. These include not exceed 0.5 milliamp. Reverse the power- the X–ray 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 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 overheating, and correct any potential hazards. Samsung Electronics...
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Page 4: Servicing Precautions
Make sure that the portion around 8. Always connect a test instrument’s ground the serviced part has not been damaged. lead to the instrument chassis ground before connecting the positive lead; always remove the instrument’s ground lead last. Samsung Electronics... - Page 5 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...
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Page 6: Reference Information
Millimeter Hour Millisecond Inches Per Second Millivolt Kilowatt-hour Nanofarad Ω Kilogram Kilohertz Picofarad kΩ Kilohm Pound Kilometer Revolutions Per Minute km/h Kilometer Per Hour Revolutions Per Second Kilovolt Second (Time) Kilovolt-ampere Volt Kilowatt Volt-ampere Liter Watt Megahertz Watt-hour Samsung Electronics... - Page 7 Fail Safe Voltage Controlled Oscillator Ground VCXO Voltage Controlled Crystal Oscillator Green-Y Very High Frequency High Video Intermediate Frequency High-Frequency Variable Resistor HI-FI High Fidelity Video Tape Recorder Inductance-Capacitance VTVM Vacuum Tube Voltmeter Integrated Circuit Transistor Intermediate Frequency Samsung Electronics...
- Page 8 8V Controlled Regulator KA78RM33 IC903 3.3V Regulator KIA7025AP IC904 MICOM Reset IC Q909 2N7000 IIC Level Shifter Q910 Refer to Table 2-3-4 TU01S TCLS3101PD09A9(S) Main Tuner with IF Block Refer to Table 2-3-5 TU02S TCPN3081PD09A(S) Sub Tuner with IF Block Samsung Electronics...
- Page 9 TR-Power (TILT) QG03 KSD2073-H2 ICG01 KA4558 OP-AMP (TILT) ICH01 KA4558 OP-AMP Option DOUBLE FOCUS QH01 TR-Power Option 2SC4636RB ICS01 V-S/W Video Switching IC with Adder Output Option TEA6425 ICP01 SDA9489X High-end Picture-In Picture IC ICP02 EZ1086CM 3.3V Regulator Samsung Electronics...
- Page 10 Table 2-3-4 1’st TUNER (TU01S) REMARK FUNCTION SPEC TCLS3101PD09A(S) CS with LNA Function Main TCPS3001PD09D(S) TCPS3001PD09E(S) India Note TCPS3001PD09A(S) is out-of-date, TCPS3001PD09D(S) which is up-to-date has the same function. Table 2-3-5 2’nd TUNER (TU02S) REMARK SPEC FUNCTION TCPS3000PC09B(S) Samsung Electronics...
- Page 11 Reference Information Table 2-3-6 TRANS REMARK FUNCTION SPEC FUJ-29B001 29” FUH-29A001B 21” Table 2-3-7 TRANS FLYBACK (FBT) REMARK SPEC FUNCTION AA26-00046A 29” AA26-00044C 21” Samsung Electronics...
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Page 12: Specifications
2 TUNER PIP, NICAM, TTX 2 TUNER PIP, A2 STEREO, TTX “NICAM” means that A2 STEREO + NICAM 2 TUNER PIP, A2 STEREO 2 TUNER MULTI PIP, A2 STEREO, NICAM, TTX A2 STEREO, TTX 1 TUNER PIP, A2 STEREO, TTX Samsung Electronics... - Page 13 MEMO Samsung Electronics...
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Page 14: Alignment And Adjustments
2. Turn on the TV. Set the Brightness and Contrast controls to minimum (zero beam current). 3. Adjust the Brightness and contrast controls to both extremes. Ensure that the high voltage does not exceed 32 KV under any conditions. Samsung Electronics... - Page 15 3. Select “G2-Adjust”. 4. Set the values as below. 29 Inch 21 Inch IBRM = 220 IBRM = 220 WDRV = 35 WDRV = 35 = 220 = 165 COLR G B = 150 150 150 = 70 Samsung Electronics...
- Page 16 For example, when the value of “Red Cutoff” is 127, change the value to 128 and restore the value to 127. If you do not follow this procedure, the picture may be abnormal. For example, when the TV set is on, the picture becames brighter gradually. Samsung Electronics...
- Page 17 7. Adjust CA-100 so that the final adjustment value can be fixed. 8. Use the Channel Up/Down ( / ) buttons to move the cursor on the adjustment modes. 9. Use the Volume +/- buttons to change the adjustment value. Samsung Electronics...
- Page 18 PROM (sometimes MICOM) is replaced, the adjustment values should be controlled. - After the Service adjustment is completed, Do not select “Reset” in the service mode menu. (After above procedure is done, power is on initially and the “Plug and Play” will be operated.) Samsung Electronics...
- Page 19 Adjust PIP Vertical Position (Main Picture is PAL) Adjust PIP Vertical Position (Main Picture is NTSC) PIP NTSC V Pos 0 ~ 255 Adjust PIP Horizontal Position PIP H Pos 0 ~ 255 Adjust PIP Green Cutoff Level PIP BLKLG 0 ~ 15 Samsung Electronics...
- Page 20 Alignment and Adjustments 4-8-2(B) SCREEN CHANGE (I2C BUS GEOMETRIC ADJUSTMENT) V Shift V Amp V Slope V SC H Trapizium H EW H Symmetry H Parabola H Corner H Shift Samsung Electronics...
- Page 21 Refer to Table 1 Beam Control Limit Characteristic Note 3. beam 1.8mA 1.6mA BCL GAIN BCL THESHOLD WDRGB Table 1. YC Delay Adjustment Table SECAM NTSC Delay Def. Def. Def. Value The “Def.” means that TV is in AV mode. Samsung Electronics...
- Page 22 Slope 1 [0...15] “Soft Limit” is that Limitting Soft Limit Slope B the peak white without range=256...511 feed-back, but “Peak Limit” is that with feed-back for white Slope 2 [0...15] peak level tilt 1 [0...511] tilt 2 [0...511] 1023 Samsung Electronics...
- Page 23 Off, On set to “On” Initial Value : Refer to Note 6 on the next page. Note 5. Sound IC601 MSP3400D, MSP3410D A2/NICAM V-DOLBY MSP3411G Mono Not used this mode for KS3A Chassis L-Stereo 4-10 Samsung Electronics...
- Page 24 Adjust Horizontal Parabola in 16:9 Mode -30 ~ 30 H 16:9 Parabola Adjust Horizontal OSD/TTX Position TTX H Shift -30 ~ 30 BG/DK/I/M Mono Sound System V Slice Level 0 ~ 3 Adjust Melody Volumn Melody Volumn 0 ~ 20 Samsung Electronics 4-11...
- Page 25 OSD-B OSD-G OSD-R Scart1 Ident VDD 2.5V Scart2 Ident Key 1 X-TAL Out H-Sync X-TAL In V-Sync MICOM Reset Key 3 N.C. Key 2 N.C. X-Ray Protect VDD 3.3V IR Input Stand-By LED N.C. Time LED Relay 4-12 Samsung Electronics...
- Page 26 Scart1 Ident SC1-ID SC2-ID Scart2 Ident Key1 Key1 Input H-Sync Horizontal Sync Input Vertical Sync Input V-Sync Key3 Input Key3 Key2 Key2 Input X-Ray X-Ray Protection IR-In Remocon Signal Input STD-LED LED Drive Output(Red) TIM-LED LED Drive Output(Green) Samsung Electronics 4-13...
- Page 27 VDD 2.5V VDD 3.3V PX.Y When The Caption Function Adopted, Used. PX.Y N.C. Not Used (Programmed Gound Level) N.C. Sound Amp Mute S-Mute High Picture On/Off Control Power Not Used (Programmed Gound Level) N.C. Tilt Tilt Control Output 4-14 Samsung Electronics...
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Page 28: Troubleshooting
Troubleshooting 5. Troubleshooting 5-1 No Power Samsung Electronics... - Page 29 Troubleshooting 5-2 No Picture Samsung Electronics...
- Page 30 Sound is mute) Normal Check D816, Q906 Check Abnormal IC601 #24, #25 Normal Replace IC602 Check Abnormal IC601 Input Voltages (5V,8V) Normal Check the coils around IC601 Check Abnormal IC601 Input Signal Normal Check Replace the Tuner IC601 Samsung Electronics...
- Page 31 MEMO Samsung Electronics...
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Page 32: Exploded Views And Parts List
Exploded View & Parts List 6. Exploded View & Parts List 6-1 CW28C75VS8XXEC Code No Description Specification Q’ty Remark HA91-20017A ASSY-CABINET,FRONT;28C7H,D3,SILVER HA64-20017A CABINET,FRONT;28C7H,HIPS,HB,SV-012P-II, HA64-27016A DOOR-CONTROL;28C7,HIPS,HB,SV-012P-II AA64-00189A INLAY-CONTROL;28C7,S53A,PS,T0.3,BLK,-,- ASSY-CABINET,FRONT OPTION AA64-70117B BADGE-BRAND;AL,SS,SILVER,L65,R2000,-,- AA61-30001A CATCH-DOOR;-,-,-,KIFUCO LA701,- HA64-25016A KNOB-POWER;28C7,HIPS,SV-012P-II,SILVER AA61-60003T SPRING-CS;-,SUS304,0.5,OD7,H13.5,N5,-,-, HA64-24016A KNOB-CONTROL;28C7,HIPS,HB,GRAY AA64-00191A INDICATOR-LED;-,28C7,-,ACRYL,-,CLR,-... -
Page 33: Electrical Parts List
Electrical Parts List 7. Electrical Parts List 7-1 CW28C75VS8XXEC Loc. No. Code No. Description ; Specification Remark Loc. No. Code No. Description ; Specification Remark ASSY-PCB,MAIN(OPT) ...3 C424 2201-000132 C-CERAMIC,DISC;100pF,10%,500V,Y5P,TP,6x4,5 ...3 C425 2301-001259 C-FILM,MPPF;100nF,5%,400V,TP,19x8x16,7.5mm ..2 C426 2306-000204 C-FILM,MPPF;430nF,5%,400V,TP,26x20.5x12. 0.1 * HA94-100728 ASSY-PCB,MAIN(OPT);CW28C7VD,100HZ,KS3A/F... - Page 34 ...3 IC602 HA60-020007 SCREW-TAPTITE;RH,+,2S,M3,L10,ZPC(YEL),SWRCH1 D804 0401-000005 DIODE-SWITCHING;1N4148,75V,300MA,DO-35,TP ..2 IC602 HA96-50369B ASSY-H/S;-,-,AA62-30181F,TDA7297,- D805 0402-000233 DIODE-RECTIFIER;FML-G12S,200V,5A,-,- ...3 IC801S 0205-000129 GREASE-SILICON;SC102,JAPAN D806 0402-000233 DIODE-RECTIFIER;FML-G12S,200V,5A,-,- ...3 IC801S AA13-00101AIC HYBRID;KA3A1265RD,CN5039,5Pin,-50to12 D807 0402-000233 DIODE-RECTIFIER;FML-G12S,200V,5A,-,- ...3 IC801S AA61-10386ABRACKET-IC;-,-,SECC 100,T1.0,-,KA2S0680,- D808 0402-000132 DIODE-RECTIFIER;1N4004,400V,1A,DO-41,TP ...3 IC801S AA62-30197DHEAT SINK-ES;DP,-,-,-,AA62-30181H,-,-,- Samsung Electronics...
- Page 35 1404-000002 THERMISTOR-PTC 9ohm,20%,-,-,TR,RECT,- ...3 R407 2001-001114 R-CARBON(S);270ohm,5%,1/2W,AA,TP,2.4x6.4mm Q201 0501-000389 TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,TP,120- R409 2003-001018 R-METAL OXIDE(S);220ohm,5%,2W,AF,TP,3.9x10mm Q202 0501-000389 TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,TP,120- R410 2003-001018 R-METAL OXIDE(S);220ohm,5%,2W,AF,TP,3.9x10mm Q203 0501-000389 TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,TP,120- ...3 R411 2001-000028 R-CARBON(S);100ohm,5%,1/2W,AA,TP,2.4x6.4mm Q204 0501-000389 TR-SMALL SIGNAL;KSC815,NPN,400mW,TO-92,TP,120- R412 2001-000020 R-CARBON(S);22ohm,5%,1/2W,AA,TP,2.4x6.4mm Samsung Electronics...
- Page 36 2001-000066 R-CARBON(S);10Kohm,5%,1/2W,AA,TP,2.4x6.4mm ..4RS01 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM ...3 R827 2008-000284 R-FUSIBLE(S);0.1OHM,10%,2W,AF,TP,3.9X10MM RS02 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2M ...3 R828 2008-000266 R-FUSIBLE(S);1OHM,5%,2W,AF,TP,3.9X10MM RS03 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM ...3 R829 2008-001029 R-FUSIBLE(S);5.6ohm,5%,2W,AF,TP,3.9x10mm RS04 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2M R831 2001-000780 R-CARBON;470OHM,5%,1/8W,AA,TP,1.8X3.2MM RS05 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM R832 2001-001153 R-CARBON(S);47OHM,5%,1/2W,AA,TP,2.4X6.4MM RS06 2001-000734 R-CARBON;4.7KOHM,5%,1/8W,AA,TP,1.8X3.2M Samsung Electronics...
- Page 37 ASSY-CHROMA. BODY R515 2002-001008 R-COMPOSITION;1.8Kohm,5%,1/2W,AA,TP,3.7x9mm ...3 * HA95-00989AASSY-CHROMA. BODY;DP,-,KS3A,-,-,100HZ ...3 R517 2001-001062 R-CARBON(S);10Mohm,5%,1/2W,AA,TP,2.4x6.4mm ..2 CN801 3711-004721 CONNECTOR-HEADER;3WALL,2P,1R,12.5mm,STRAIGHT,SN ...3 R518 2003-002171 R-METAL OXIDE(S);150ohm,5%,2W,AG,TP,3.9x12mm ..2 CN802 3711-004720 CONNECTOR-HEADER;3WALL,2P,1R,12.5mm,STRAIGHT,SN ...3 R519 2002-001009 R-COMPOSITION;2.7Kohm,10%,1/2W,AA,TP,3.7X9.0 3711-004782 CONNECTOR-HEADER;NOWALL,32P,1R,1.778mm,STAIGHT, ...3 R521 2001-000660 R-CARBON;33KOHM,5%,1/8W,AA,TP,1.8X3.2MM 3711-004782 CONNECTOR-HEADER;NOWALL,32P,1R,1.778mm,STAIGHT, Samsung Electronics...
- Page 38 L706 2701-000168 INDUCTOR-AXIAL;3.3uH,5%,2.5x3.4mm HA64-24016AKNOB-CONTROL;28C7,HIPS,HB,GRAY L707 3301-000287 CORE-FERRITE BEAD;AA,3.5x1x6mm,1500,2400G HA64-25016AKNOB-POWER;28C7,HIPS,SV-012P-II,SILVER L708 3301-000287 CORE-FERRITE BEAD;AA,3.5x1x6mm,1500,2400G HA64-26016AKNOB-POWER;28C7,HIPS,HB,GRAY L709 2701-000114 INDUCTOR-AXIAL;10UH,10%,2.5X3.4MM ..2 LDY01 0601-000198 LED;ROUND,RED/GRN,5.0mm,630/565nm LY01 2701-000114 INDUCTOR-AXIAL;10UH,10%,2.5X3.4MM ...3 PCB AA41-00270C PCB-CONTROL;CW28C7,CEM-1,1L,C,1.6T,330x245 R701 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM R702 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM ..2 RMY01 AA59-60003J MODULE-REMOCON;-,ORC-06H2,38KHZ,940NM,ME Samsung Electronics...
- Page 39 HA60-020003 SCREW-TAPPING;RH,+,2,M4,L15,ZPC(BLK),SWRCH18 CB+TER HA60-020003 SCREW-TAPPING;RH,+,2,M4,L15,ZPC(BLK),SWRCH18 ..2 PWB+CF 6003-001023 SCREW-TAPTITE;RWH,+,B,M3,L10,ZPC(YEL)SWRCH1 ..2 CRT+CF HA60-020010 SCREW-ASSY;WC,HH,+,M5,L26.5,SWRCH18A,ZPC( HA64-22016ACABINET-BACK;28C7,HIPS,V2,GRAY AA65-30008ACLAMP-CORD;PE,HB,BLK,-,-,- AA65-30017ACLAMP-D,COIL;NYLON-66,V0,NTR,DADH300,25 20 AA65-30018ACLAMP-WIRE;NYLON-66,-,-,DATL-600,DONG-A,- ..2 CB AA63-60002DSPACER-FELT;FELT,T1.0,BLK,330X15,-,- AA63-60001P SPACER-FELT;FELT,T1.0,BLK,230X15,-,- HA68-500025 LABEL-RATING;A/P 90G,T0.2,L55,W55,STANDARD HA68-500021 LABEL-QMS;-,T0.1,L135,W35,WHT,-,- AA65-30009ACLAMP-FBT;ABS,V0,BLK,-,-,- AA65-30109ACLAMP-FBT;NYLON-66,V2,BLK,-,-,- AA61-20292B HOLDER-CHASSIS;DP,AA61-20254A,ABS,V0,GRAY,- AA65-30105C CLAMP-WIRE;NYLON 66,V2,NTR,2MM,ALL MODEL, AA64-60395B INLAY-BACK;SCART,PS,T0.5,BLK,-,- AA63-00078ATERMINAL-BOARD,ANT;DP,-,AA63-40254A,28C7,- Samsung Electronics...
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Page 40: Block Diagrams
Schematic Diagrams 8. Block Diagrams 8-1 Power Diagram Samsung Electronics... - Page 41 Schematic Diagrams 8-2 Block Diagram Samsung Electronics...
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Page 42: Wiring Diagram
ABL +16V GND HEAT 200V DOUBLE FOCUS 600V SC-I GND SY-I GND SC-O GND SY-O CN704 16.5VAC GND DOUBLE 16.5VAC GND DOUBLE CN501A B OUT G OUT R OUT CRT PCB SENSE TILT -16V ABL +16V GND HEAT 200V CN502A Samsung Electronics... - Page 43 MEMO Samsung Electronics...
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Page 44: Schematic Diagrams
Schematic Diagrams 10. Schematic Diagrams 10-1 MAIN 1 TP07 TP01 TP10 TP08 TP02 TP09 TP03 TP09 TP01 TP06 TP10 TP04 TP03 TP05 TP08 TP05 TP04 TP02 TP06 TP07 : Power Line : Signal Line Samsung Electronics 10-1... - Page 45 Schematic Diagrams 10-2 MAIN 2 TP11 TP12 TP13 TP12 TP13 TP14 TP11 TP25 TP15 TP14 TP25 : Power Line : Signal Line TP15 10-2 Samsung Electronics...
- Page 46 Schematic Diagrams 10-3 MAIN3 TP22 TP16 TP23 TP23 TP17 TP24 TP18 TP17 TP16 TP22 TP18 TP19 TP21 TP20 TP24 TP19 TP20 TP21 : Power Line : Signal Line Samsung Electronics 10-3...
- Page 47 Schematic Diagrams 10-4 MAIN 4 TP32 TP26 TP33 TP27 TP26 TP33 TP35 TP34 TP28 TP27 TP35 TP29 TP34 TP28 TP32 TP31 TP30 TP29 TP31 TP30 : Power Line : Signal Line 10-4 Samsung Electronics...
- Page 48 Schematic Diagrams 10-5 PIP : Power Line l Li Samsung Electronics 10-5...
- Page 49 Schematic Diagrams 10-6 CRT, SIDE AV, VIDEO SWITCH SIDE AV VIDEO SWITCH : Power Line : Signal Line 10-6 Samsung Electronics...
- Page 50 Schematic Diagrams 10-7 DOUBLE FOCUS, CONTROL DOUBLE FOCUS CONTROL : Power Line l Li Samsung Electronics 10-7...
- Page 51 ELECTRONICS © Samsung Electronics Co., Ltd. MAY. 2001 Printed in Korea 3KS3A-SEH28C7-05...