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Daewoo DTR-29M5ME/MP/MT/MZ, Service Manual, Page: 51 / 56

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Daewoo DTR-29M5ME/MP/MT/MZ Service Manual Download Page 51

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TROUBLE SHOOTING CHARTS

4. NO PICTURE

CHECK

NORMAL

NORMAL

NORMAL

NORMAL

NORMAL

NORMAL

CHECK SIGNAL OUT AT R,G,B

19TH PIN OF I501

OF I501

ABNORMAL

ABNORMAL

ABNORMAL

CHANGE INPUT MODE

CHECK / REPLACE

RF ->AV ->RF

Q502,Q503,Q504,Q505

CHECK SIGNAL AT 

CHECK / REPLACE

CVBS OF TUNER

SCL, SDA, B+

OF TUNER

CHECK SIGNAL AT

CHECK
12V & 220V Line
Heater Voltage

R,G,B INPUT AND
R,G,B OUTPUT OF I901 

CHECK
Connection of AV JACK

CHECK
AV Signal

CHECK / REPLACE
I501

ABNORMAL

ABNORMAL

CHECK / REPLACE
CRT

Summary of Contents for DTR-29M5ME/MP/MT/MZ

Page 1: ...LOR TELEVISION CHASSIS CM 908 F MODEL DTR 29M5ME MP MT MZ DTR 29M6ME MP MT MZ DTR 29M7ME MP MT MZ DTR 29U1ME MP MT MZ DTR 29U5ME MP MT MZ MODEL TEXT PIP ME O O MP X O MT O X MZ X X MODEL OPTION LIST S...

Page 2: ...LIST 12 7 EACH MODEL PARTS LIST 20 8 SCHEMATIC DIAGRAM 21 9 PRINTED CIRCUIT BOARD 22 10 MECHANICAL EXPLODED VIEW AND PARTS LIST 25 11 IC DESCRIPTION 30 12 TROUBLE SHOOTING CHARTS 47 T TABLE OF CONTENT...

Page 3: ...5W Sound Output Power 7W 7W VHF L IC1 S6CH 43 25MHz 140 25MHz Channel Coverage VHF H IC1 S36CH 147 25MHz 423 25MHz UHF S37 C57CH 431 25MHz 863 25MHz Tuning System FS Tuning System Program No Indicatio...

Page 4: ...en working on high voltage equipment 2 Always discharge the picture tube to avoid the shock harzard before removing the anode cap 3 Discharge the high potential of the picture tube before handling the...

Page 5: ...4 3 CIRCUIT BLOCK DIAGRAM...

Page 6: ...3 39 66 81 CORNER 120 120 0 90 90 HBOW 143 140 3 277 232 HPARALL 2 2 0 2 14 ADJUSTDATA V LINEAR 3 5 2 1 7 S CORRECT 27 27 0 22 18 S7 PIP PHPOS 29 33 30 PVPOS 9 27 26 PR G BPeak 150 150 150 65 65 65 65...

Page 7: ...h German Spanish Italian Estonian EAST English Slovakian Hungarian Serbian Albanian Polish Turkian Rumanian RUSSIA English Russian Bulgaian Ukrainian Serbian Montenegro TEXT sel PERSIAN English Farsi...

Page 8: ...mination High 70Cd LOW BEAM about 15Cd 5 2 3 Press the S8 key of SVC remocon to adjustment of Whit Balance X 0 288 Y 0 301 5 2 4 Memorize in Nitsuki after Adjustment of White Balance 5 3 Adjustment of...

Page 9: ...th Vol Up Down keys so that RETMA pattern may be symmetrical 6 5 The adjustment of Vertical Linearity 6 5 1 Receive PAL CROSSHATCH pattern signal of company PAL B 5CH 6 5 2 Fix adjustment of Vertical...

Page 10: ...ecause BRIGHT is set to rise 2 3 step 8 THE ADJUSTMENT OF PIP 8 1 Receive PAL RETMA pattern signal of company PAL B 2CH and Color Bar 8 2 Press the S7 KEY of SVC Remocon PIP Adjustment OSD wil be disp...

Page 11: ...llows Ch91 Sharpness 0 Skip red Move green Menu 2 Choice SERVICE MENU Pr Up Down 3 Enter SERVICE SUB MENU Vol Up Down S1 S2 S3 S4 S5 S6 S7 S8 S9 S11 RECALL S10 S12 MUTE POWER TV CATV ADD ERASE TV VIDE...

Page 12: ...28CH U 527 25 BG PAL 30 PAL 40CH W B U 623 25 AUTO W B 31 PAL 2CH RETMA VL 48 25 BG AUTO FOCUS V CENTER V SIZE V SLOPE H CENTER SCREEN 32 PAL 47CH C HATCH U 679 25 I AUTO CONVERGENCE ADJUSTMENT 33 PA...

Page 13: ...V3A LOC PARTCODE PARTNAME DESCRIPTION REMARK D814 DHER308G DIODE HER308G D820 DRL4A015 DIODE RL4A 015 308 D821 DRL4A015 DIODE RL4A 015 308 DC01 DLH2PR5MH3 LEDHOLDERAS LH 2P R 5M H3 F801 5F3GB6322L FUS...

Page 14: ...R2 3 LOC PARTCODE PARTNAME DESCRIPTION REMARK E054 4856310600 EYELET BSRT0 2 R2 3 E055 4856310600 EYELET BSRT0 2 R2 3 E056 4856310600 EYELET BSRT0 2 R2 3 E057 4856310600 EYELET BSRT0 2 R2 3 E058 48563...

Page 15: ...C MYLAR 100V6800PFJ TP C805 CEXF1H100V CELECTRO 50VRSS10MF 5X11 TP C807 CCXB1H821K CCERA 50VB820PFK TAPPING C808 CCXB1H471K CCERA 50VB470PFK TAPPING C810 CEXF1H109V CELECTRO 50VRSS1MF 5X11 TP C812 CC...

Page 16: ...D505 DUZ5R1B DIODE ZENER UZ 5 1B D506 D1N4148 DIODE 1N4148 TAPPING D507 D1N4148 DIODE 1N4148 TAPPING D508 D1N4148 DIODE 1N4148 TAPPING D509 DUZ2R7B DIODE ZENER UZ 2 7B D511 DUZ7R5BM DIODE ZENER UZ 7 5...

Page 17: ...01065GY WIRECOPPER AWG221 0 65TINCOATING J092 85801065GY WIRECOPPER AWG221 0 65TINCOATING J093 85801065GY WIRECOPPER AWG221 0 65TINCOATING LOC PARTCODE PARTNAME DESCRIPTION REMARK J094 85801065GY WIRE...

Page 18: ...RCARBONFILM 1 61 5KOHMJ R525 RD AZ332J RCARBONFILM 1 63 3KOHMJ R526 RD AZ101J RCARBONFILM 1 6100OHMJ R527 RD AZ103J RCARBONFILM 1 610KOHMJ LOC PARTCODE PARTNAME DESCRIPTION REMARK R528 RD AZ473J RCARB...

Page 19: ...ELECTRO 50VRSS2 2MF 5X11 TP LOC PARTCODE PARTNAME DESCRIPTION REMARK CP20 CEXF1H229V CELECTRO 50VRSS 2 2MF 5X11 TP CP21 CMXM2A473J C MYLAR 100V0 047MF J TP CP22 CMXM2A473J C MYLAR 100V0 047MF J TP CP...

Page 20: ...1N4937G TAPPING D903 D1N4148 DIODE 1N4148 TAPPING D904 D1N4148 DIODE 1N4148 TAPPING D905 D1N4148 DIODE 1N4148 TAPPING D906 D1N4148 DIODE 1N4148 TAPPING DD01 DUZ7R5BM DIODE ZENER UZ 7 5BM J901 85801065...

Page 21: ...64039L BSC29 0197 C408 C MYLAR 200V 0 62 MF 200V 0 39MF C405 C MYLAR 1 6KV 0 01MF 1 6KV 6900PF C406 C MYLAR 1 6KV 91200PF 1 6KV 8200PF R919 R M OXIDE FILM 2W 3 9 OHM 2W 3 6 OHM R429 R METAL FILM 2W 68...

Page 22: ...21 8 Schmetic Diagram...

Page 23: ...22 9 Printed Circuit Board CM 908...

Page 24: ...23 9 Printed Circuit Board CM 908F...

Page 25: ...24 9 Printed Circuit Board Union PIP CM 908 F UNION CM 908 F PIP...

Page 26: ...TT2 TRS 4X16 MFZN BK 6 7178301212 SCREW TAPPTITE 4 TT2 WAS 3X12 MFZN BK 7 SPEAKER 2 8 7172401212 SCREW TAPPTITE 8 TT2 TRS 4X12 MFZN BK 9 CHASSIS 1 CN 321 10 4856215402 WASHER RUBBER 4 CR T2 0 11 4856...

Page 27: ...26 Mechanical Exploded View 10 2 DTR 29M6...

Page 28: ...27 Mechanical Exploded View 10 3 DTR 29M7...

Page 29: ...1 CN 793F 29 F 4856215402 4856015821 WASHER RUBBER SCREW CRT FIX 4 4 CR T2 0 SWRM SK5 L 35 4852163101 COVER BACK 1 1 HIPS GY 4851114003 SIDE AV PCB PANEL AV ASSY 1 1 CN 321 2326802 5934301 7178301212...

Page 30: ...5402 4856015821 WASHER RUBBER SCREW CRT FIX 4 4 CR T2 0 SWRM SK5 L 35 4852163101 COVER BACK 1 1 HIPS GY 4851114003 SIDE AV PCB PANEL AV ASSY 1 1 CN 321 2326802 5934301 7178301212 SCREW TAPTITE 2 TT2 W...

Page 31: ...chip TV processor family is given in Fig 1 1 on page 7 The VCT 38xxA B family offers a rich feature set cov ering the whole range of state of the art 50 60 Hz TV applications In comparison to the VCT...

Page 32: ...P22 P23 SDA SCL RESQ XTAL2 XTAL1 GNDS VSUPS AOUT1 AOUT2 AIN1 AIN2 AIN3 XREF RRD GNDAB VSUPAB BOUT GOUT ROUT SVMOUT RSW2 RSW1 GNDM SENSE EW VERT VERTQ HFLB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18...

Page 33: ...put 14 GNDAF SUPPLY X Ground Analog Front end 15 VSUPAF SUPPLY X Supply Voltage Analog Front end 16 CBIN IN VRT Analog Component Cb Input 17 CIN1 IN VRT Analog Chroma 1 Input 18 CIN2 CRIN IN VRT Analo...

Page 34: ...Supply Voltage Analog Back end 46 GNDAB SUPPLY X Ground Analog Back end 47 VRD IN X DAC Reference 48 XREF IN X Regerence Input for RGB DACs 49 AIN3 IN GNDS Analog Audio 3Input 50 AIN2 IN GNDS Analog...

Page 35: ...HS luma signal is converted using the luma Video 1 AD converter The input signal must be AC coupled Pin 23 TEST Test Input Fig 6 5 This pin enables factory test modes For normal opera tion it must be...

Page 36: ...s line Pin 47 VRD DAC Reference Decoupling Fig 6 24 Via this pin the DAC reference voltage is decoupled by an external capacitor The DAC output currents depend on this voltage therefore a pull down tr...

Page 37: ...AF GNDAF To ADC Fig 6 11 Input pins CRIN CBIN VINx VERF N GNDAF VSUPAF P Fig 6 12 Output pin VOUT VREF VSUPAF SGND P VRT ADC Reference Fig 6 13 Supply pins VRT SGND VSUPS GNDS N Fig 6 6 Input Output p...

Page 38: ...Flyback Fig 6 20 Output pins VERT VERTQ VSUPAB GNDAB P P N VEWXR Fig 6 21 Output pin EW GNDAB N Fig 6 22 Output pins RSW1 RSW2 GNDD N Fig 6 16 put pins HOUT GNDAB VSUPAB VREF Fig 6 17 Input pins SAFET...

Page 39: ...put pins VB0 VB7 VBCLK N P VSUP ADB GND ADB Fig 6 29 Outpin pins ADB0 ADB18 OE1 OE2 WE1 WE2 VRD int ref voltage ref current VSUP AB GND AB XREF Fig 6 24 Supply pins XREF VRD 40 k 2 5V GND AB Fig 6 25...

Page 40: ...IPTION TDA8946J VCC1 VCC 10 11 12 9 IN2 TDA8946J IN2 MODE SVR STANDBY MUTE LOGIC 3 16 IN1 IN1 8 6 1 4 17 14 2 15 MBK929 OUT1 OUT1 OUT2 OUT2 GND2 GND1 SHORT CIRCUIT AND TEMPERATURE PROTECTION VCC2 1 Bl...

Page 41: ...und channel 1 Vcc1 3 supply voltage channel 1 OUT1 4 positive loudspeaker terminal 1 n c 5 not connected IN1 6 positive input 1 n c 7 not connected IN1 8 negative input 1 IN2 9 negative input 2 MODE 1...

Page 42: ...dBSTEPSFORBALANCEFACILITY INDEPENDENTMUTEFUNCTION ALLFUNCTIONSPROGRAMMABLEVIASE RIALBUS 2MONITOROUTPUT ONLYFORTDA7442 SDIP32 L IN2 L IN3 L IN4 MUXOUT L IN L N C MUXOUT R IN R BIN R 1 3 2 4 5 6 7 8 9 P...

Page 43: ...50K PS1 90Hz 100nF PS1 RPS1 SYMULATED MUSIC MUSIC SYMULATED OFF MIXING AMP LPF 9KHz EFFECT CONTROL MIXING AMP 1 2nF LP TREBLE R 5 6nF TREBLE L 100nF 5 6K 100nF BOUT L 100nF 100nF 5 6K BIN R BOUT R 79...

Page 44: ...PIN VOUT REF 25K VS D95AU309 20 A GND PIN TREBLE L TREBLE R 50K GND VS VREF D94AU200 20 A PIN L IN R IN L IN2 R IN2 L IN3 R IN3 L IN4 R IN4 20K VS D95AU336 20 A 20K GND 42K PIN CREF D94AU205 20 A GND...

Page 45: ...44 VS D95AU230 20 A GND PIN L OUT R OUT 45K VS D98AU949 20 A BASS RO BASS LO GND Bass PIN BASS LI BASS RI 45K VS D98AU950 20 A BASS LI BASS RI GND PIN BASS LO BASS RO IC DESCRIPTION TDA7442D...

Page 46: ...R DRIVE ADJUSTMENT FLASHOVER PROTECTION POWER DISSIPATION 3 5W ESD PROTECTED Tab connected to Pin8 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 BLUE FEEDBACK BLUE CATHODE CURRENT BLUE OUTPUT GREEN FEEDBACK GRE...

Page 47: ...this control is not used Pin 6 must be grounded 7 Red Output Output driving the red cathode Pin 7 is internally protected ahainst CRT arc discharges by a diode limiting the output voltage to VDD 8 Gro...

Page 48: ...HECK REPLACE ABNORMAL D802 D805 R803 CHECK REPLACE CHECK VCC I802 LTV 817C AT PIN 25 3 3V OF I501 NORMAL CHECK VOLTAGE AT PIN 1 OF I501 CHECK SIGNAL AT ST BY L PIN 59 60 OF I501 POWER ON H CHECK VOLTA...

Page 49: ...L NORMAL CHANGE INPUT MODE RF AV RF CHANGE SIGNAL CVBS OF TUNER CHECK SIGNAL AT PIN 35 33 OF I501 CHECK SIGNAL AT PIN 42 43 44 OF I501 CHECK VOLTAGE AT PIN 45 OF I501 CHECK REPLACE Q502 Q503 Q504 Q505...

Page 50: ...R CHECK SIGNAL AT ABNORMAL ABNORMAL 19TH PIN OF I501 NORMAL NORMAL CHANGE THE SYSTEM CHECK REPLACE PAL SECAM CVBS OF TUNER CHECK R G B SIGNAL 42 43 44TH OF I501 CHECK REPLACE Q502 Q503 Q504 Q505 CHECK...

Page 51: ...ABNORMAL ABNORMAL ABNORMAL CHANGE INPUT MODE CHECK REPLACE RF AV RF Q502 Q503 Q504 Q505 CHECK SIGNAL AT CHECK REPLACE CVBS OF TUNER SCL SDA B OF TUNER CHECK SIGNAL AT CHECK 12V 220V Line Heater Volta...

Page 52: ...REPLACE I301 CHECK REPLACE I501 CHECK REPLACE D410 D301 28V LINE 15V LINE CHECK 35TH PIN OF I501 CHECK VERTICAL INPUT Vin OF I301 CHECK VERTICAL OUTPUT Vout OF I301 CHECK REPLACE DY NORMAL NORMAL NOR...

Page 53: ...ABNORMAL ABNORMAL CHECK Speaker Connector Check Signal at Pin 6 12 of I602 Replade I602 Check Signal at Pin 29 30 I601 Check Replace R610 R611 R612 R613 C633 C634 Check Signal at Pin 2 5 of I601 Check...

Page 54: ...AV2 DVD1 DVD2 CHECK Signal of AV1 AV2 DVD1 DVD2 CHECK REPLACE I501 CHECK SIGNAL AT PIN 20 21 22 16 17 18 OF I501 CHECK SIGNAL AT PIN R G B 42 43 44 OF I501 ABNORMAL ABNORMAL NORMAL NORMAL NORMAL CHECK...

Page 55: ...NG CHARTS CHECK ABNORMAL BATTERY AND LED OF REMOCON NORMAL CHECK IR OF PREAMP AND VCC OF PREAMP IC IF01 NORMAL CHECK REPLACE 8TH PIN OF I501 ABNORMAL REPLACE PREAMP IC IF01 REPLACE BATTERY 8 REMOTE CO...

Page 56: ...PRINTED DATE Dec 2003...

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