Samsung CSM2077DVX Service Manual Download Page 27

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Troubleshooting

Samsung Electronics

5-1

5. Troubleshooting

5-1 No Power (No Picture on)

Yes

Check

both terminal voltages

of C815 (130V)

Check both

terminal voltages of

C806 (280~300V).

Check D801S

FB801S

Is IC801S Pin 3

19~22V?

Check IC801S

Check/Replace

DZ801,DZ804,

DZ802,PC801S

Yes

Check

Voltage of 8V, 12V, 6V,

20V power line..

Check whether

each power line
is short or open.

Yes

Is Q808-E

Output Voltage 5V?

Is Q901-E

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

Yes

Summary of Contents for CSM2077DVX

Page 1: ...DVD Television Cassette Recorder CONTENTS Precautions Specifications Disassembly and Reassembly Alignment and Adjustment Electrical Troubleshooting Exploded View and Parts List Electric Parts List Bl...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd JUN 2002 Printed in Korea AA82 00067A...

Page 3: ...s 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...

Page 4: ...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 potent...

Page 5: ...sible 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 ins...

Page 6: ...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...

Page 7: ...sheet This gives them the same ground as the sheet 4 Remove the optical pick up block 5 Perform work on top of the conductive sheet Be careful not to let your clothes or any other static sources to t...

Page 8: ...t 2LD 4 points on Pick up See Fig 1 3 4 Disassembly the Pick up 1 5 2 Assembly 1 Replace the Pick up 2 Remove the soldering 2 points 2LD 4 points on Pick up 3 Reassemble the Deck Assy PICK UP ASS Y 1L...

Page 9: ...135 min CD 12 Cm Reading Speed 1 2 to 1 4 m sec Maximum Play Time 74 min CD 8 Cm Reading Speed 1 2 to 1 4 m sec Maximum Play Time 20 min CD 12 Cm Reading Speed 1 2 to 1 4 m sec Maximum Play Time 74 m...

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

Page 11: ...Disassembly and Reassembly Samsung Electronics 3 1 1 Remove the screws located on the side of the back cover 3 Disassembly and Reassembly 3 1 Disassembly 3 1 1 Back Cover Removal...

Page 12: ...Disassembly and Reassembly 3 2 Samsung Electronics 3 1 2 Main Assembly Removal 1 Release two connectors between sub PCB and Main Assembly 2 Pull the Main Assembly backwards to remove...

Page 13: ...Disassembly and Reassembly Samsung Electronics 3 3 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...

Page 14: ...Slider Housing in the direction arrow A 2 When the Tray Disc comes out a little pull it in the direction arrow B by hand 3 Pull the Tray Disc to disassemble while simultaneously pushing 2 Stoppers le...

Page 15: ...5 3 2 2 Assy P U Deck Removal 1 Disconnect DCN2 DCN3 2 Lift down the Assy P U Deck while simultaneously pushing 2 Hooks in the direction of arrow A B Fig 3 2 2 Assy P U Deck Removal DCN2 HOOK HOOK DCN...

Page 16: ...ear Tray 4 Lift up the Slider Housing 5 Remove the soldering of 2 points Red Black 6 Remove 2 Screws and lift down the Motor Load Assy 7 Push the 3 Hooks bottom side in the direction arrow C and lift...

Page 17: ...Samsung Electronics 3 7 3 2 4 Sub Chassis Removal 1 Remove the Soldering of Motor Feed wire 2 Remove the 4 Screws 3 Lift up the Ass y Brkt Deck Fig 3 2 4 Sub Chassis Removal 4 SCREWS ASSY BRAK DECK SO...

Page 18: ...Feed B Gear Feed A 3 Remove 2 Screws 4 Remove Shaft Pick Up and Pick Up Assy 5 Remove 1 Screw 6 Remove 2 Screws 7 Remove 3 Spring Spindle and Motor Spindle Ass y Fig 3 2 5 Ass y Brkt Deck Removal 2 S...

Page 19: ...e 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 FACT...

Page 20: ...39 25 5 32 32 32 34 32 26 32 10 1 7 3 0 OSD NHS EW1 EWP EWUC EWLC VSC HP HB TC EW2 CDL BKS PDL WS VM Range 0 63 0 63 0 63 0 63 0 63 0 63 0 63 0 63 0 63 0 63 0 15 0 1 0 15 0 3 0 3 Function Horizon Shi...

Page 21: ...FF OFF ON IRC Alignment and Adjustments Electrical Samsung Electronics 4 3 4 2 4 Option The Reset Mode is used during factorying inspection Function Reset After Factorying Reset the following items it...

Page 22: ...transformer 4 3 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 deg...

Page 23: ...inutes 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 5 1 4 Input a black and white signal 5 Fully demagnetize the re...

Page 24: ...6 Samsung Electronics 6 TILT TC 8 AFC BOW HB 9 H SIZE EWI 11 PIN COMP EWP 7 H POSITION NHS 3 V LINEARITY SL 2 UP CPIN PEUC 5 V S CORRECTION SC 10 AFC ANGLE HP 12 V POSITION PVS 4 LO CPIN PELC 1 V SIZ...

Page 25: ...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 4 Pole Magnet 6 Pole Magnet...

Page 26: ...red and the blue vertical lines in the center area of the screen 5 Turn the both tabs at the same time keeping the angle constant and superimpose the red and blue horizontal line in the center of the...

Page 27: ...801S Pin 3 19 22V Check IC801S Check Replace DZ801 DZ804 DZ802 PC801S No Yes No Yes Check Voltage of 8V 12V 6V 20V power line Check whether each power line is short or open No No Yes Is Q808 E Output...

Page 28: ...ut line Voltage From UMI module of H Drive Out CN002A 4 Check Replace Q810 DZ805 No No Check the UMI module IC902 No Check Replace Q401 Q402 D414 UMI module E W Out check CN001A 6 No Check Q403 Drain...

Page 29: ...es Yes No signal No Raster IC902 70 TV Power High Check Q402 Q401 D414 Replace Check Replace UMI module IC902 Check Replace No No Check Replace No Check Replace No No No Check the CRT PCB IC501 R513 L...

Page 30: ...er On Check Replace Speaker Check Replace Q810 PC5V Line Check IC601 1 2 I2 C Line No Check UMI module L R out check and SIF Input check No Yes Check Replace IC902 71 72 Check Replace IC601 Tuner SIF...

Page 31: ...k Replace R425 R424 D401 D402 IC301 2 vertial wave input check D301 DZ302 DZ303 DZ304 DZ305 DZ306 check No Yes Yes Replace IC301 LA7845 Replace 5 8 No Picture Sound OK 1 Check the Brightness Contrast...

Page 32: ...B Check 8V IC802 33V DZ201 Check 5V IC804 5 11 No Vertical SCAN 1 Check R425 D401 2 Check IC301 2 3 Check Chroma module Vertical out Line 4 Check DY Connector 5 12 Horizontal Size 1 Check L406 C411 R...

Page 33: ...at play key input Yes Check open state from SIC3 to pick up Check RIC1 and A B C D input Check SIC3 No Disc recognition No Disc recognition A B A No FE om SIC1 25 is within specified range Yes No SIC3...

Page 34: ...Sled Motor and connection No pick up home positing No pick up home positing No No Check MIC1 Divide RQ1 emitter terminal voltage and 5V real voltage difference into 10ohm Open check in related circuit...

Page 35: ...EK MIRR signal RIC1 46 is missing Yes Yes No TZCO signal SIC1 24 is occurs Yes No Check RIC1 26 terminal Check SIC3 peripheral circuit Check SIC1 peripheral circuit Check DCN1 and pick up Check MECHA...

Page 36: ...c motor Check SIC1 MIC1 Check SIC3 soldering and power Check path to RIC1 and SIC1 Check RIC1 soldering and power RIC1 70 output are normal RIC1 71 output is normal Check RIC1 peripheral circuit and A...

Page 37: ...Output in ZIC1 127 is normal Yes Yes No Output in ICD503 6 8 10 is normal Yes No Check JKD501 502 peripheral soldering shot Digital output error Check ICD502 peripheral circuit Check ICD901 3 mute UMI...

Page 38: ...5 12 Samsung Electronics MEMO...

Page 39: ...DOW REMOCON 21G5 PC V0 VIOLET 1 S N A 1 9 6003 001019 SCREW TAPTITE RH B M4 L12 ZPC BLK SWR 1 WIN CF S N A 1 10 AA64 01323D KNOB CONTROL DVD 21G5 ABS HB BLK DG703P 1 11 6002 000522 SCREW TAPPING TH 2...

Page 40: ...66 00124A GEAR TRAY DP 7 POM M90 44 H107 AH66 00125A SLIDER HOUSING DP 7 POM H108 AH63 00217A TRAY DISC POM BLK DP 7 H201 AH97 00561A ASSY BKRT DECK SECC POM DP 7 1LD SEC 1LD AH97 00561B ASSY BKRT DEC...

Page 41: ...by puling it towards with one hand 2 When the DVD door tray doesn t operate NOTE For operation descriptions the CRT is shown transpatent 2 Softly life the rear of the assay module deck and remove it...

Page 42: ...D502 0501 000342 TR SMALL SIGNAL KSC1623 Y NPN 200mW SOT 5 RD504 2007 000290 R CHIP 100OHM 5 1 10W DA TP 2012 5 RD505 2007 000290 R CHIP 100OHM 5 1 10W DA TP 2012 5 RD506 2007 000290 R CHIP 100OHM 5 1...

Page 43: ...mm 4 C619 2401 002235 C AL 10uF 20 16V GP TP 5x11mm 5mm 4 C620 2401 002235 C AL 10uF 20 16V GP TP 5x11mm 5mm 4 C623 2401 000027 C AL 4 7uF 20 50V GP TP 5x11 5 4 C624 2401 000027 C AL 4 7uF 20 50V GP T...

Page 44: ...00090 R CHIP 10KOHM 5 1 16W DA TP 1608 5 R940 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 5 R941 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 5 R942 2007 000090 R CHIP 10KOHM 5 1 16W DA TP 1608 5 R943...

Page 45: ...13mm 5 C307 2401 000360 C AL 100uF 20 50V GP TP 8x11 5 5 5 C309 2301 000192 C FILM PEF 1nF 5 50V TP 5 3x10mm 5mm 5 C401 2201 000556 C CERAMIC DISC 0 47nF 10 500V Y5P TP 5 5 C402 2401 001397 C AL 470uF...

Page 46: ...11B EYELET ID2 2 OD3 2 BSP S N A 5 EL19 AA60 40011B EYELET ID2 2 OD3 2 BSP S N A 5 EL20 AA60 40011B EYELET ID2 2 OD3 2 BSP S N A 5 EY01 AA60 40011A EYELET ID2 0 OD2 8 BST S N A 5 EY02 AA60 40011A EYEL...

Page 47: ...2W AA TP 2 4X6 4 5 R306 2003 002157 R METAL OXIDE 220OHM 5 2W AG TP 6X16MM 5 R314 2004 001986 R METAL S 35 7Kohm 1 1 2W AA TP 2 4x6 5 R315 2004 001126 R METAL 6 2Kohm 1 1 8W AA TP 1 8x3 2m 5 R402 200...

Page 48: ...4mm 4 PCB AA41 00354B PCB AV SMD 21G5 FR 1 1L B 1 6T 245x245 V S N A 4 RM50 2001 000028 R CARBON S 100OHM 5 1 2W AA TP 2 4X6 4 4 RM51 2001 000028 R CARBON S 100OHM 5 1 2W AA TP 2 4X6 4 3 0202 000187 S...

Page 49: ...MEMO Electric Parts List 7 8 Samsung Electronics...

Page 50: ...O C K S I F M O N O C V B S I 2 C S E R I A L S E R I A L D V D S I G N A L A V I N O U T D V D B 5 V 3 3 V 8 V 8 V I 2 C H O R V E R O U T C O N T R O L A U D I O L R U M I B 5 V 8 V 1 3 5 V 1 4 V C...

Page 51: ...S P 3 4 1 1 G B 8 D V D Y C T U N E R C V B S I N S C A R T 1 2 C V B S I N S C A R T R G B I N D V D A U D I O S C A R T 1 2 A U D I O I N M O N O S I F R E M O C O N S C A R T I D S E R I A L D R E...

Page 52: ...D R I V E C R T P F C B O A R D 2 8 P F C B O A R D 2 8 S O U N D A M P U O C I F M I C O M 1 6 5 V 1 3 5 V H E A T E R D O U B L E 6 0 0 V Q 8 0 8 A 5 V A 1 2 V 2 8 1 4 V A 9 V Q 9 0 1 A 3 3 V Q 8 1...

Page 53: ...D I O D A C A K 4 3 8 2 2 C H A M P Y C C V B S L t R t D A T A 0 L R C K B C K M IX A U D IO D A C O N V E R T E R I E C 9 5 8 1 9 3 7 D IG I T A L A U D IO O P T IC A L O U T V I D E O E N C O D E R...

Page 54: ...Samsung Electronics 8 5 8 5 Main PCB Layout I F MIC O M IC 901 SNM 746 U O C 1C H IP IC 902 T D A 9 3 9 5 MSP IC 601 M S P 3 4 2 0 G IC 201 2210 28 OP T ION IC 202 SAA4981T 28 OP T ION C N001 C N003 C...

Page 55: ...OC MSP I F PCB Layout I F M I C O M I C 9 0 1 S N M 7 4 6 U O C 1 C H I P I C 9 0 2 T D A 9 3 9 5 M S P I C 6 0 1 M S P 3 4 2 0 G I C 2 0 1 2 2 1 0 2 8 O P T I O N I C 2 0 2 S A A 4 9 8 1 T 2 8 O P T...

Page 56: ...Schematic Diagrams 9 1 Samsung Electronics 9 1 POWER BLOCK 9 Schematic Diagrams TP01 TP02 TP03...

Page 57: ...Schematic Diagrams Samsung Electronics 9 2 9 2 SCART TM BLOCK TP04 TP05...

Page 58: ...Schematic Diagrams Samsung Electronics 9 3 9 3 HOR VER DRIVE TP08 TP09 TP07 TP06 TP07 TP08 TP09...

Page 59: ...iagrams 9 4 Samsung Electronics 9 4 CONNECTION AMP BLOCK TP10 TP11 TP15 TP12 TP13 TP14 TP16 TP17 TP18 TP19 TP24 TP20 TP21 TP22 TP23 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP16 TP17 TP18 TP19 TP20 TP21 TP2...

Page 60: ...Schematic Diagrams 9 5 Samsung Electronics 9 5 MASTER CONTROL MASTER CONTROL...

Page 61: ...Schematic Diagrams 9 6 Samsung Electronics 9 6 UMI MICOM...

Page 62: ...Schematic Diagrams 9 7 Samsung Electronics 9 7 UMI INTERFACE...

Page 63: ...Schematic Diagrams 9 8 Samsung Electronics 9 8 UMI MSP...

Page 64: ...Schematic Diagrams 9 9 Samsung Electronics 9 9 CRT A V CRT A V...

Page 65: ...Schematic Diagrams 9 10 Samsung Electronics 9 10 JOINT...

Page 66: ...Schematic Diagrams 9 11 Samsung Electronics 9 11 AV Decoder DVD Micom...

Page 67: ...Schematic Diagrams 9 12 Samsung Electronics 9 12 DVD SERVO...

Page 68: ...Schematic Diagrams 9 13 Samsung Electronics 9 13 DVD DECK...

Page 69: ...OLTAGE 1 6 11 16 18 24 2 5V 1 5V 2V 3 2V 5V 8 3V 25 26 28 32 33 34 4 3V 5 1V 3 1V 2 1V 5 1V 0 9V VOLTAGE CN002A VOLTAGE VOLTAGE 1 4 5 8 11 12 13 1 4V 0 7V 2 5V 1V 2 1V 3V 4 7V 17 18 19 20 22 24 2 5V 6...

Page 70: ...Schematic Diagrams 9 15 Samsung Electronics...

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