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Samsung CSM2077DVX Service Manual

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DVD Television Cassette Recorder
DVD Television
Chassis :
VC1A
Model:
CSM2077DVX/XAA
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CONTENTS

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Summary of Contents for Samsung CSM2077DVX

  • Page 1: Table Of Contents

    DVD Television Chassis : VC1A Model: CSM2077DVX/XAA DVD Television Cassette Recorder CONTENTS Precautions Specifications Disassembly and Reassembly Alignment and Adjustment (Electrical) Troubleshooting Exploded View and Parts List Electric Parts List Block Diagram Schematic Diagrams...
  • Page 2 ELECTRONICS Samsung Electronics Co., Ltd. JUN. 2002 © Printed in Korea AA82-00067A...

  • Page 3: Precautions

    The current measured should the X–ray Protection Specifications Label, and not exceed 0.5 milliamp. Reverse the power- the Product Safety and X-ray Warning Note on plug prongs in the AC outlet and repeat the the service data schematic. test. Samsung Electronics...
  • Page 4 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 5 Make sure that the portion around the serviced part has not been damaged. 8. Always connect a test instrument’s ground lead to the instrument chassis ground before connecting the positive lead; always remove the instrument’s ground lead last. Samsung Electronics...
  • Page 6 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...
  • Page 7 Be sure to put on a wrist strap grounded to the sheet. Be sure to lay a conductive sheet made of copper etc. Which is grounded to the table. Samsung Electronics...
  • Page 8 Pick-up. (See Fig. 1-3) 4) Disassembly the Pick-up. Note : If the assembly and disassembly are not done in correct sequence, the Pick-up may be damaged. PICK-UP ASS'Y SOLDER LAND 4 POINTS SHORT SOLDER LAND 2 POINTS SHORT Fig. 1-3 Samsung Electronics...

  • Page 9: Specifications

    Earphones output (3.5 mm mini-jack) 1 aerial/cable TV coaxial input Dimensions (W x D x H)/Weight 28”(774 X 533 X 553mm /43Kg) ,21”(606 X 513 X 505mm / 29.5Kg) Operating temperature 5°C - 35°C Relative humidity 10% - 75% Samsung Electronics...
  • Page 10 MEMO Samsung Electronics...

  • Page 11: Disassembly And Reassembly

    Disassembly and Reassembly 3. Disassembly and Reassembly 3-1 Disassembly 3-1-1 Back Cover Removal 1. Remove the screws located on the side of the back cover. Samsung Electronics...
  • Page 12 Disassembly and Reassembly 3-1-2 Main Assembly Removal 1. Release two connectors between sub PCB and Main Assembly. 2. Pull the Main Assembly backwards to remove. Samsung Electronics...
  • Page 13 Disassembly and Reassembly 3-1-3 Frame Removal 1. Remove 3 screws from the Main Assembly. Remove the dust cover. 2. Remove 4 screws from the Deck Assembly. Samsung Electronics...
  • Page 14 3) Pull the Tray Disc ¨ to disassemble , while simultaneously pushing 2 Stoppers ˆ (left, right) in the direction arrow “C”, “D”. ˆ STOPPER ˇ SLIDER HOUSING "C" ¨ TRAY DISC "B" "A" Œ SCREW DRIVER "D" ´ EMERGENCY HOLE ˆ STOPPER Fig. 3-2-1 Tray Disc Removal Samsung Electronics...
  • Page 15 2) Lift down the Assy P/U Deck ˇ while simultaneously pushing 2 Hooks ¨, ˆ in the direction of arrow “A”, “B”. ¨ HOOK "A" ˆ HOOK "B" <Assembly Point> Œ DCN2 ´ DCN3 SLIDER HOUSING ˇ ASSY- P/U DECK Fig. 3-2-2 Assy P/U Deck Removal Samsung Electronics...
  • Page 16 ˆ SLIDER HOUSING "A" ¨ GEAR TRAY ˇ PULLEY GEAR Œ BELT Ô HOOK ” MOTOR LOAD ASSY ˝ HOUSING PCB  DECK PCB "C" Ø SOLDERING "C" "C" ’ 3 HOOKS <Bottom Side> Fig. 3-2-3 Housing Ass’y Removal Samsung Electronics...
  • Page 17 1) Remove the Soldering of Motor Feed (+, - wire) Œ. 2) Remove the 4 Screws ´. 3) Lift up the Ass’y Brkt Deck ˇ. ´ 4 SCREWS ˇ ASSY-BRAK DECK Œ SOLDERING OF MOTOR FEED (+, - WIRE) Fig. 3-2-4 Sub Chassis Removal Samsung Electronics...
  • Page 18 7) Remove 3 Spring Spindle ’ and Motor Spindle Ass’y ˝. ˝ MOTOR SPINDLE ˆ SHAFT PICK-UP Ø PICK-UP ASS'Y ¨ 2 SCREW ’ SPRING SPINDLE Œ WASHER ´ GEAR FEED B ∏ 1 SCREW ” 2 SCREWS ˇ GEAR FEED A Fig. 3-2-5 Ass’y Brkt Deck Removal Samsung Electronics...

  • Page 19: Alignment And Adjustment (Electrical)

    Adjustment, Option Bytes and Reset. is cancelled. 3. Access the Adjustment Mode by pressing the “SELECT” keys ( ). The adjustment para- meters are listed in the accompanying table, and selected by pressing the “SELECT” keys (s,t ). Samsung Electronics...
  • Page 20 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 cancelled. The “AGING” marking is displayed on the screen. The AGING mode is cancelled by epresing the “FACTORY” key. Samsung Electronics...
  • Page 21 Function Reset : After Factorying Reset, the following items itens revert to their initial values. 1. Volume 2. Program Channel 3. P- STD MEMORY 4. Auto Power 5. NR 6. Skip(Store/Clear) ALL CLEAR Cautim : When the EEPROM is replaced ; all items revert to their initial values. Samsung Electronics...
  • Page 22 2. Turn on the TV. Set the Brightness and Contrast controls to minimum (zero beam current). 3. The high voltage should not exceed 30KV. 4. Adjust the Brightness and contrast controls to both extremes. Ensure that the high voltage does not exceed 30KV under any conditions. Samsung Electronics...
  • Page 23 9. Slowly move the deflection yoke forward, and adjust for the best overall green screen. 10. Temporarily tighten the deflection yoke. 11. Produce blue and red rasters by adjusting the low-light controls. Check for good purity in each field. 12. Tighten the deflection yoke. Samsung Electronics...
  • Page 24 3. V LINEARITY (SL) 4. LO CPIN (PELC) 6. TILT (TC) 5. V S CORRECTION (SC) 7. H POSITION (NHS) 8. AFC BOW (HB) 9. H SIZE(EWI) 10. AFC ANGLE (HP) 11. PIN COMP (EWP) 12. V POSITION (PVS) Samsung Electronics...
  • Page 25 1. Input either a Lion Head or a “pure white” pattern. 2. Warm up the TV for 30 minutes. 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. Samsung Electronics...
  • Page 26 Superimpose the red and the blue vertical (Fig. 5-3). lines in the center area of the screen. RED/BLUE GREEN BLUE BLUE RED/BLUE GREEN 6-Pole Magnet Movement 4-Pole Magnet Movement Fig 5-3 Center Convergence Adjustment Samsung Electronics...

  • Page 27: Troubleshooting

    Output Voltage 5V? 19~22V? Check IC801S Check/Replace DZ801,DZ804, Is Q901-E DZ802,PC801S Voltage 3.3V? (in UMI Board) Check/Replace Q901, ZD901, D901 Check Q811-B Pin 20 is High when power is On (about 0.6~2.0v) Check/Replace IC902 Check /Replace Q810, Q812, DZ805 Samsung Electronics...
  • Page 28 H-Drive Out? (CN002A #4) Check the UMI module(IC902) FBT Output line Voltage? Check/Replace Q401, Q402, D414 5-3 E/W Correction Not UMI module E/W Out check? (CN001A #6) Check/Replace IC902 Check Q403 Drain Pin E/W wave output? Q403,D404, R413,L405 Check/Replace Samsung Electronics...
  • Page 29 Check UMI module H-out(CN002A #4) Replace Q810 Check/Replace Tuner B+ UMI module(IC902) Tuner 5V Line Check Tuner 33V Check Q402, Line Check Q401, D414 Check/Replace Check R405, R435 R424, R425 Check/Replace Check the CRT PCB, IC501, R513, L501 Check/Replace Replace Samsung Electronics...
  • Page 30 L,R out check and SIF Input check Check/Replace IC601 Tuner SIF A/V PCB Conncting check Check A/V PCB Check/Replace Speaker 5-6 No PANORAMA Check IC902 #22 High? (CM001A #18) Check/Replace IC902 Check Q404 Collector "LOW"? Check/Replace Q404, PC401, Q405 Samsung Electronics...
  • Page 31 5-8 No Picture (Sound OK) Check the Brightness, Contrast and Color adjustments 2. Check: AV Picture 3. See Video Block Diagram 5-9 No Sound (Picture OK) 1. Check the Volume adjustment level. 2. Check AV Video 3. See Audio Block Diagram Samsung Electronics...
  • Page 32 2. Check IC301, #2 3. Check Chroma module Vertical-out Line 4. Check DY Connector 5-12 Horizontal Size 1. Check L406, C411, R421, Q403, D404, R413, R405 5-13 On-Screen Display Missing 1. Check IC901 #32, #33, 34 2. Check Chroma module Samsung Electronics...
  • Page 33 Troubleshooting 5-14 DVD Block Troubleshooting Samsung Electronics...
  • Page 34 Troubleshooting Samsung Electronics...
  • Page 35 Troubleshooting Samsung Electronics...
  • Page 36 Troubleshooting 5-10 Samsung Electronics...
  • Page 37 Troubleshooting Samsung Electronics 5-11...
  • Page 38 MEMO 5-12 Samsung Electronics...

  • Page 39: Exploded View And Parts List

    CABINET-FRONT;21G5,HIPS,V0,BLK,DG703P,EW S.N.A AA64-01328H DECORATION-FRONT;21G5,ABS HB,BLK,DG703P S.N.A AA64-70123A BADGE-BRAND;NEW,AL,-,-,L=50,FLAT,SILVER, S.N.A AA64-01324D KNOB POWER;21G5,ABS HB,BLK,DG703P AA61-60003J SPRING ETC-CS;-,SUS304,-,-,OD6,N7,OD6,-, S.N.A AA94-11169A ASSY PCB MISC-A/V;CSM2077DVX/XAA,VC1A, AA65-00011C CLAMPER CORE-WIRE;ALL MODEL,NYLON 66,V2, S.N.A AA64-01326B INDICATOR LED;21G5,ACRYL,-,-,-,-,- AA64-01325B WINDOW REMOCON;21G5,PC V0,-,-,-,-,VIOLET S.N.A 6003-001019 SCREW-TAPTITE;RH,+,B,M4,L12,ZPC(BLK),SWR WIN+CF S.N.A 1-10 AA64-01323D KNOB-CONTROL,DVD;21G5,ABS HB,BLK,DG703P...
  • Page 40 H204 H211 AH30-00008B PICK UP-ASSY;SOH-D1A,MILLENO(1LD),-,-,- (1LD) H206 AH97-00708A ASSY-PICK-UP;-,SOH-DM2,ASSY-PICK-UP (2LD) H205 H210 H240 AH92-00899A ASSY-MILLENO DECK PCB 1LD;DVD-M101,MILLE (1LD) AH92-00963A ASSY-MILLENO DECK PCB 2LD (2LD) H241 3809-001253 CABLE-FLAT;30V,80C,180mm,20P,1mm,UL2896 (1LD) H209 3809-001252 CABLE-FLAT;30V,80C,180mm,22P,1mm,UL2896 (2LD) H250 AH92-00900A ASSY-HOUSING PCB;DVD-M101,MILLENO DECK(B Samsung Electronics...
  • Page 41 * To Open the Tray, use the Open/Close Key while the TV set is turned on. not removed first when disassembling the assay module deck. If it doesn’t Open, press the SWD601 switch. 2. When the DVD door-tray doesn’t operate. NOTE : For operation descriptions, the CRT is shown transpatent. Samsung Electronics...

  • Page 42: Electric Parts List

    S.N.A ..5 RD508 2007-000300 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 ..5 RD509 2007-000300 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 ..2 PCB+HC 6003-001023 SCREW-TAPTITE;RWH,+,B,M3,L10,ZPC(YEL),SW S.N.A ..5 RD510 2007-000300 R-CHIP;10KOHM,5%,1/10W,DA,TP,2012 AA94-11170A ASSY PCB MISC-INTERFACE;CSM2077DVX/XAA,V ..5 RD511 2007-000872 R-CHIP;4.7KOHM,5%,1/10W,DA,TP,2012 ...3 CN02A 3809-001180 CABLE-FLAT;30V,-30to+80C,80mm,35P,1.25mm ..5 RD512 2007-000872 R-CHIP;4.7KOHM,5%,1/10W,DA,TP,2012 ...3 CND01 3711-004945 CONNECTOR-HEADER;BOX,30P,2R,2.54MM,STRAI ..5 RD513 2007-000872 R-CHIP;4.7KOHM,5%,1/10W,DA,TP,2012...
  • Page 43 ..4 XT901 2801-003120 CRYSTAL-UNIT;8.388608MHz,25ppm,28-AAM,30 ..4 R509 2002-001017 R-COMPOSITION;1Kohm,10%,1/2W,AA,TP,3.7x9 ..4 XT902 2801-003433 CRYSTAL-UNIT;12MHZ,30PPM,28-AAM,30PF,30O ..4 R510 2003-000540 R-METAL OXIDE(S);1Kohm,5%,2W,AF,TP,4x12m ..4 AA97-07271A ASSY SMD;CSM2077DVX/XAA,VC1A, , , S.N.A ..4 R511 2001-000096 R-CARBON(S);1MOHM,5%,1/2W,AA,TP,2.4X6.4M ..5 C218 2203-000609 C-CERAMIC,CHIP;22nF,10%,50V,X7R,TP,2012 ..4 R512 2002-001012 R-COMPOSITION;8.2Mohm,5%,1/2W,AA,TP,3.7x ..5 C219 2203-000495 C-CERAMIC,CHIP;2.2nF,10%,50V,X7R,TP,2012 ..4 R513...
  • Page 44 AA61-20284A HOLDER;P-CORD,PP,-,-,-,BLK,VO,KE-002 S.N.A ..5 R922 2007-000078 R-CHIP;1Kohm,5%,1/16W,DA,TP,1608 AA61-00483C HOLDER-CHASSIS;21G5,HIPS V0,-,-,-,G4309, S.N.A ..5 R923 2007-000078 R-CHIP;1Kohm,5%,1/16W,DA,TP,1608 AA94-08253A ASSY PCB MISC-M/DECK;CSM2077DVX/XAA,VC1A ..5 R924 2007-000078 R-CHIP;1Kohm,5%,1/16W,DA,TP,1608 ...3 CN001A 3809-001122 CABLE-FLAT;30V,80C,250MM,35P,1.25MM,UL28 ..5 R925 2007-000078 R-CHIP;1Kohm,5%,1/16W,DA,TP,1608 ...3 CN002A AA39-20497D LEAD CONNECTOR-ASSY;,1P,YFH800-01,RING,4 ..5 R926 2007-000078 R-CHIP;1Kohm,5%,1/16W,DA,TP,1608 ...3 CND01A AA39-00330A LEAD CONNECTOR-ASSY;V18A,UL20050#28,UL/C...
  • Page 45 2201-000556 C-CERAMIC,DISC;0.47nF,10%,500V,Y5P,TP,5..3 AA63-00513B SHIELD-BOTTOM;21G5,SPTE,T0.3 S.N.A ..5 C402 2401-001397 C-AL;470uF,20%,25V,GP,TP,10x16,5 ...3 AA39-20497C LEAD CONNECTOR-ASSY;,1P,YFH800-01,RING,3 ..5 C403 2201-000556 C-CERAMIC,DISC;0.47nF,10%,500V,Y5P,TP,5. AA94-08449A ASSY PCB MAIN;CSM2077DVX/XAA,VC1A ..5 C404 2401-001397 C-AL;470uF,20%,25V,GP,TP,10x16,5 ...3 C806 2401-000818 C-AL;220uF,20%,200V,GP,BK,25x30,10 ..5 C406 2401-002300 C-AL;47uF,20%,50V,GP,TP,6.3x11,5 ...3 CN301 AA60-40012D PIN-GT,ASSY;4P,T1.6,6-12.5-14MM,NYLON66 S.N.A ..5 C407 2201-000639 C-CERAMIC,DISC;0.68nF,10%,2kV,Y5P,TP,9x5...
  • Page 46 AA60-40011A EYELET;ID2.0,OD2.8,-,-,BST,- S.N.A ..5 EY82 AA60-40011A EYELET;ID2.0,OD2.8,-,-,BST,- S.N.A ..5 EY03 AA60-40011A EYELET;ID2.0,OD2.8,-,-,BST,- S.N.A ..5 EY83 AA60-40011A EYELET;ID2.0,OD2.8,-,-,BST,- S.N.A ..5 EY04 AA60-40011A EYELET;ID2.0,OD2.8,-,-,BST,- S.N.A ..5 EY84 AA60-40011A EYELET;ID2.0,OD2.8,-,-,BST,- S.N.A ..5 EY05 AA60-40011A EYELET;ID2.0,OD2.8,-,-,BST,- S.N.A ..5 EY85 AA60-40011A EYELET;ID2.0,OD2.8,-,-,BST,- S.N.A Samsung Electronics...
  • Page 47 2001-000554 R-CARBON;270OHM,5%,1/8W,AA,TP,1.8X3.2MM ..5 R810 2001-000109 R-CARBON(S);470OHM,5%,1/2W,AA,TP,2.4X6.4 ..5 R107 2003-000493 R-METAL OXIDE(S);12ohm,5%,2W,AF,TP,4x12m ..5 R811 2001-001182 R-CARBON(S);7.5KOHM,5%,1/2W,AA,TP,2.4X6..5 R301 2004-001983 R-METAL(S);2.49Kohm,1%,1/2W,AA,TP,2.4x6..5 R812 2008-001011 R-FUSIBLE(S);0.18ohm,10%,2W,AF,TP,3.9x10 ..5 R302 2004-001984 R-METAL(S);26.7Kohm,1%,1/2W,AA,TP,2.4x6..5 R813 2001-000019 R-CARBON(S);10OHM,5%,1/2W,AA,TP,2.4X6.4M ..5 R303 2001-000016 R-CARBON(S);1OHM,5%,1/2W,AA,TP,2.4X6.4MM ..5 R814 2001-000800 R-CARBON;5.1KOHM,5%,1/8W,AA,TP,1.8X3.2MM Samsung Electronics...
  • Page 48 Code No. Description ; Specification Remark ..5 R816 2001-001088 R-CARBON(S);1KOHM,5%,1/2W,AA,TP,2.4X6.4M ASSY COVER FRONT ..5 R817 2001-001088 R-CARBON(S);1KOHM,5%,1/2W,AA,TP,2.4X6.4M ..5 R818 2001-001131 R-CARBON(S);33KOHM,5%,1/2W,AA,TP,2.4X6.4 AA90-01838T ASSY COVER FRONT;21G5,CSM2077DVX/XAA S.N.A ..5 R819 2004-001983 R-METAL(S);2.49Kohm,1%,1/2W,AA,TP,2.4x6..5 R820 2001-000281 R-CARBON;100OHM,5%,1/8W,AA,TP,1.8X3.2MM ..2 AV+CF 6003-001268 SCREW-TAPTITE;TH,+,B,M4.0,L12.0,ZPC(YEL) S.N.A ..5 R821 2004-001889 R-METAL(S);127Kohm,1%,1/2W,AA,TP,2.5x6.5...
  • Page 49 Electric Parts List MEMO Samsung Electronics...

  • Page 50: Block Diagram

    Block Diagrams 8. Block Diagrams 8-1 One Board Block Diagram Samsung Electronics...
  • Page 51 Block Diagrams 8-2 U.M.I (UOC + MSP + I/F) Block Diagram Samsung Electronics...
  • Page 52 Block Diagrams 8-3 Power Block Diagram Samsung Electronics...
  • Page 53 Block Diagrams 8-4 Interface Joint Block Diagram Samsung Electronics...
  • Page 54 Block Diagrams 8-5 Main PCB Layout Samsung Electronics...
  • Page 55 Block Diagrams 8-6 U.M.I (UOC + MSP + I/F) PCB Layout Samsung Electronics...

  • Page 56: Schematic Diagrams

    Schematic Diagrams 9. Schematic Diagrams 9-1 POWER BLOCK TP01 TP02 TP03 Samsung Electronics...
  • Page 57 Schematic Diagrams 9-2 SCART/TM BLOCK TP04 TP05 Samsung Electronics...
  • Page 58 Schematic Diagrams 9-3 HOR/VER DRIVE TP06 TP07 TP08 TP07 TP09 TP08 TP09 Samsung Electronics...
  • Page 59 Schematic Diagrams 9-4 CONNECTION/AMP BLOCK TP16 TP10 TP17 TP11 TP11 TP10 TP18 TP12 TP12 TP15 TP16 TP17 TP13 TP18 TP19 TP13 TP19 TP14 TP24 TP20 TP14 TP20 TP21 TP22 TP21 TP15 TP23 TP24 TP23 TP22 TP16 Samsung Electronics...
  • Page 60 Schematic Diagrams 9-5 MASTER, CONTROL MASTER CONTROL Samsung Electronics...
  • Page 61 Schematic Diagrams 9-6 UMI(MICOM) Samsung Electronics...
  • Page 62 Schematic Diagrams 9-7 UMI(INTERFACE) Samsung Electronics...
  • Page 63 Schematic Diagrams 9-8 UMI(MSP) Samsung Electronics...
  • Page 64 Schematic Diagrams 9-9 CRT, A/V Samsung Electronics...
  • Page 65 Schematic Diagrams 9-10 JOINT 9-10 Samsung Electronics...
  • Page 66 Schematic Diagrams 9-11 AV-Decoder/DVD-Micom Samsung Electronics 9-11...
  • Page 67 Schematic Diagrams 9-12 DVD-SERVO 9-12 Samsung Electronics...
  • Page 68 Schematic Diagrams 9-13 DVD-DECK Samsung Electronics 9-13...
  • Page 69 9-12 Chief IC PIN voltage CN001A VOLTAGE VOLTAGE 2.5V 4.3V 1.5V 5.1V 3.1V 3.2V 2.1V 5.1V 8.3V 0.9V IC801S CN002A VOLTAGE VOLTAGE VOLTAGE 24.4V 1.4V 2.5V 0.7V 2.5V 2.3V 2.1V 2.7V 4.7V CN003 A VOLTAGE 2.8V 5.1V 2.8V 8.2V 9-14 Samsung Electronics...
  • Page 70 Schematic Diagrams Samsung Electronics 9-15...

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Vc1a

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