Daewoo DTD-25G1 ME Скачать руководство пользователя страница 49 | Manualshive

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APPENDIX

TROUBLE SHOOTING CHARTS

CAUTION

1. NO RASTER

CHECK MAIN

B+(132V)

CHECK VOLTAGE

OF C805(470uF)

295Vdc AT AC 220V

CHECK /REPLACE

F801

CHECK /REPLACE

D801,R802,R803

CHECK VOLTAGE AT

PIN 5 OF I701

ST-BY:H,

POWER ON:L

CHECK VOLTAGE AT

PIN

9(2.5V), 44(3.3V)

CHECK SIGNAL AT PIN

2(SCL), 3(SDA)

OF I701

CHECK /REPLACE

X701(6MHz), I701

ABNORML

ABNORML

CHECK Heater Voltage

VIDEO B+(220V) LINE

27V & 12V

NORMAL

CHECK Horizontal drive

pluse AT PIN 32 OF I501

ABNORML

CHECK / REPLACE

I801

(STR-F6656) &

NORMAL

CHECK / REPLACE

I802 (DPM011 T1)

MODULE POWER

CHECK Horizontal VCC

AT PIN 31(9V) OF I501

ABNORML

CHECK / REPLACE

I803(X0202DA)

I808(KA7805)

I804(LP2950 3.3V)

NORMAL

ABNORML

ABNORML

CHECK SINGNAL AT

PIN34,35 OF I501

CHECK / REPLACE

I501

CHECK / REPLACE

Q402,Q401,T402

R401,D402,D403

CHECK /REPLACE

CRT BLOCK

NORMAL

NORMAL

NORMAL

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Содержание DTD-25G1 ME

Страница 1: ...G4 G5 MEO 29M1 M2 G1 G4 G5 MTO 29M1 M2 G1 G4 G5 MPO 29M1 M2 G1 G4 G5 MZO 25G1 G4 G5 ME 25G1 G4 G5 MT 25G1 G4 G5 MP 25G1 G4 G5 MZ S M No TCM905BEF0 DAEWOO ELECTRONICS CO LTD http svc dwe co kr Jun 200...

Страница 2: ...RUCTIONS 5 CM 905 TYPICAL SERVICE DATA 8 SCHEMATIC DIAGRAM 11 PRINTED CIRCUIT BOARD 12 MECHANICAL EXPLODED VIEW AND PARTS LIST 18 ELECTRICAL PARTS LIST 20 CM 905 EACH MODEL PARTS LIST 31 APPENDIX Appe...

Страница 3: ...Consumption 130Watts Sound Ouput 7Watts 7Watts Over 80 MOD at 1KHz THD 10 Speaker 12W 8 Ohm 2 pcs Antenna 75 Ohm Unbalanced DIN Standard Tuning System FS Tuning System Memory Channel 100 Channels Rem...

Страница 4: ...special safety related characteristics These characteristics are often passed unnoticed by a visual inspection and the X RAY RADIATION protection afforded by them cannot necessarily be obtained by usi...

Страница 5: ...4 CIRCUIT BLOCK DIAGRAM CAUTION...

Страница 6: ...E ADJUSTMENT 1 Press the NORMAL Key to set the NORMAL 1 mode 2 Press the S8 Key of Service Remocon to enter the WHITE BALANCE mode 3 Adjust the each color R G B which appears abnormally on the screen...

Страница 7: ...2 Choose the PARABOLA using the Pr Up Down Keys Adjust parabola width to fit on screen 3 Choose the CONER using the Pr Up Down Keys Adjust coner parabola to fit on screen 4 Choose the TRAPEZIUM using...

Страница 8: ...ss 0 Skip red Move green Menu 2 Choice SERVICE MENU Pr Up Down 3 Enter SERVICE SUB MENU Vol Up Down 4 Adjust SERVICE MENU Vol Up Down S1 S2 S3 S4 S5 S6 S7 S8 S9 S11 RECALL S10 S12 MUTE POWER TV CATV A...

Страница 9: ...CONTRAST 63 RRIGHT 00 BRIGHT 32 BRIGHT 63 COLOR 00 COLOR 32 COLOR 63 RELEASE ADJUST NORMAL1 DATA INITIAL DATA CONTRAST 63 63 RRIGHT 32 32 COLOR 32 32 SHARPNESS 32 32 ADJUST GEOMETRY DATA 50 Hz 29 NORM...

Страница 10: ...TMENT KEY AGC TUNER AGC VOLTAGE 3 5Vdc AUTO AGC DATA 32 OPTION MODE ADJUSTMENT KEY INITIAL DATA TEXT ARABIC CYRILLIC IRANIAN EAST LATIN WEST LATIN ARABIC POWER ON START ON OFF ON DIGITAL EYE ON OFF ON...

Страница 11: ...utton again 4 TV VIDEO PIP TV VIDEO To select the input for the sub pictrue 5 POSITION PIP POSITION The display position of the sub picture will changed S2 DATA changed RB 128 128 GB 0 0 6 SCREEN V PO...

Страница 12: ...SCHEMATIC DIAGRAM 11...

Страница 13: ...PRINTED CIRCUIT BOARD PCB MAIN 12...

Страница 14: ...13 PRINTED CIRCUIT BOARD...

Страница 15: ...14 PRINTED CIRCUIT BOARD...

Страница 16: ...15 SCHEMATIC DIAGRAM...

Страница 17: ...16 PRINTED CIRCUIT BOARD...

Страница 18: ...17 PRINTED CIRCUIT BOARD...

Страница 19: ...18 MECHANICAL EXPLODED VIEW AND PARTS LIST CAUTION 1 DTD 25G1...

Страница 20: ...19 MECHANICAL EXPLODED VIEW AND PARTS LIST 2 DTD 29M2MEO...

Страница 21: ...8702 CLOTH BLACK FELT T0 7 L 350 W 15 M782 4857821102 CLOTH BLACK FELT 340X10X1 5 ZZ201 PTSPPWD405 SPEAKER AS DTD 29M2MEO P601A 4850704S32 CONNECTOR YH025 04 35098 ULW 900 SP01 4858311110 SPEAKER 12W...

Страница 22: ...LTER CERA XT 4 5MB Z202 5PYXT5R5MB FILTER CERA XT 5 5MB Z203 5PYXT6R0MB FILTER CERA XT 6 0MB Z204 5PYXT6R5MB FILTER CERA XT 6 5MB Z501 5PXLT6R5MH FILTER CERA LT 6 5MH Z801 DSVC471D14 VARISTOR SVC471D1...

Страница 23: ...7500 TERM PIN DA IB0214 D2 3 DY PIN P602 485923172S CONN WAFER YW025 04 STICK P603 485923182S CONN WAFER YW025 05 STICK P604 485923172S CONN WAFER YW025 04 STICK P701 485923192S CONN WAFER YW025 06 ST...

Страница 24: ...XM2A682J C MYLAR 100V 6800PF J TP C613 CMXM2A682J C MYLAR 100V 6800PF J TP C614 CMXM2A562J C MYLAR 100V 5600PF J TP C615 CMXM2A333J C MYLAR 100V 0 033MF J TP C617 CMXM2A153J C MYLAR 100V 0 015MF J TP...

Страница 25: ...04Z C CERA SEMI 50V F 0 1MF Z C708 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z C710 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z C711 CCZF1H103Z C CERA 50V F 0 01MF Z C718 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z C720 C...

Страница 26: ...0 65 TIN COATING J058 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J059 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J061 85801065GY WIRE COPPER AWG22 1 0 65 TIN COATING J062 85801065GY WIRE CO...

Страница 27: ...L102 5CPZ100K02 COIL PEAKING 10UH K AXIAL 3 5MM L201 5CPZ150K02 COIL PEAKING 15UH K AXIAL 3 5MM L202 5CPZ829K02 COIL PEAKING 8 2UH K AXIAL 3 5MM L402 5MC0000100 COIL BEAD HC 3550 L501 5CPZ100K02 COIL...

Страница 28: ...0 OHM J R529 RD AZ221J R CARBON FILM 1 6 220 OHM J R530 RD AZ181J R CARBON FILM 1 6 180 OHM J R533 RD AZ103J R CARBON FILM 1 6 10K OHM J R535 RD AZ101J R CARBON FILM 1 6 100 OHM J R581 RD AZ750J R CAR...

Страница 29: ...PCB UNION 1 MANUAL A DTD 29M2MEO C904 CEYF2E479V C ELECTRO 250V RSS 4 7MF 10 16 C906 CEYF2E100V C ELECTRO 250V RSS 10MF 10X20 C907 CCYB3D472K C CERA 2KV B 4700PF K C908 4SG0D00103 SPARK GAP S 23 900V...

Страница 30: ...PART CODE PART NAME DECSCRIPTION REMARK LOC PART CODE PART NAME DESCRIPTION REMARK IP01 1SDA9488XE IC CHIP PIP SDA9488X ZZ200 PTPMJRD405 PCB PIP RADIAL AS DTD 29M2MEO CP01 CXCH1H100D C CERA 50V CH 10P...

Страница 31: ...OHM J RP09 RD AZ101J R CARBON FILM 1 6 100 OHM J RP10 RD AZ151J R CARBON FILM 1 6 150 OHM J RP11 RD AZ151J R CARBON FILM 1 6 150 OHM J RP12 RD AZ151J R CARBON FILM 1 6 150 OHM J RP13 RD AZ102J R CARB...

Страница 32: ...31 CM 905 EACH MODEL PARTS LIST CAUTION...

Страница 33: ...32 CM 905 EACH MODEL PARTS LIST...

Страница 34: ...33 CM 905S EACH MODEL PARTS LIST...

Страница 35: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC E mail djkoo web dwe co kr...

Страница 36: ...clock max 0 360 s min instruction cycle Two 16 bit timers Watchdog timer Capture compare timer for infrared remote control decoding Pulse width modulation unit 2 channels 14 bit 6 channels 8 bit ADC 4...

Страница 37: ...urement and Controlled Noise Compensation Attenuation Measurement and Compensation Group Delay Measurement and Compensation Exact Decoding of Echo Disturbed Signals Ports One 8 bit I O port with open...

Страница 38: ...C O tank coil alignment free for L system Positive demodulation V low Ch AM Sound demodulation Sprit carrier VIDEO STAGE Built inY delay line 8 adjustable steps Built in C trap filter Swithable VSM o...

Страница 39: ...ncies are able to convert into only 6 5MHz in order to eliminate SIF BPFs to single 6 5MHz 4 AUDIO OUT An output terminal for audio signal FM Det signal inputted to pin53 is output An internal audio a...

Страница 40: ...for 1 st SIF signal 10 IF AGC A terminal should be connceted to an IF AGC filter Connect 2 2uF capacitor to Vcc 11 APC FILTER A terminal should be connected with an APC filter for chroma demodulation...

Страница 41: ...or EXT RGB signals The 17 EXT G IN signals are clamped by capacitors therefore 18 EXT B IN the input impedance should be low 100 ohms or less is recommended For this input the brightness and RGB contr...

Страница 42: ...RAMP A terminal should be connected wiht a capacitor to generate the V Ramp signal The V Ramp amplitude is kept constant by the V AGC 25 V NFB An input terminal for the V saw tooth signal feedback If...

Страница 43: ...voltage range is 5 5 6 0V The ratio of ABL versus ACL can be set by bus control 29 H ARC FILTER A terminal should be connected with H AFC Filter to GND The DC voltage of this pin controls the H VCO fr...

Страница 44: ...SCL An input terminal for IICBUS clock 35 SDA An input output terminal for IICBUS data 36 BLACK DET A terminal should be connected with Black det filler for black stretch This terminal voltage contro...

Страница 45: ...level Input is through a low impedance buffer input level 1Vp p 140IRE 39 Y IN An input terminal forY signal The pedestal level is clamped by means of charging discharging the coupling capacitor ther...

Страница 46: ...pin can be read by bus to detect if S port is connceted or not 44 Cr IN Input terminals for Cb Cr signals 45 Cb IN This terminal is clamped by charging discharging the coupling capacitors It is recom...

Страница 47: ...nd Mon OUT pick up detected Audio signal Connect capacitor 0 01 F to GND The time constant 50 75us is set by the IICBUS control SIF Freq Remove the capacitor in case of us US JPN sound multiplex syste...

Страница 48: ...l to be connected with a filler for PIF VCO 54 IF DET OUT Detected PIF output terminal typical output level 2 2Vp p 55 AFT OUT An output terminal for AFT output dc range 0 2 5 5V output impedance 50 k...

Страница 49: ...K REPLACE X701 6MHz I701 ABNORML ABNORML CHECK Heater Voltage VIDEO B 220V LINE 27V 12V NORMAL CHECK Horizontal drive pluse AT PIN 32 OF I501 ABNORML CHECK REPLACE I801 STR F6656 NORMAL CHECK REPLACE...

Страница 50: ...PIN 54 OF I501 CHECK REPLACE I571 Peripheral Compnents ABNORML NORMAL CHECK REPLACE SF 101 Q102 Q203 CHECK REPLACE SCL SDA SIGNAL TUNER NORMAL ABNORML ABNORML CHECK SIGNAL AT PIN 22 23 24 OF I501 CHE...

Страница 51: ...M MODE AUTO PAL SECAM CHECK SIGNAL AT PIN 20 21 22 OF I501 CHECK SIGNAL AT CATHOD OF CRT NORMAL CHECK REPLACE CRT BOARD NORMAL CHECK SIGNAL AT PIN 3 OF I571 CHECK REPLACE Q203 Q201 D201 Q205 D202 CHEC...

Страница 52: ...P904 HORI VERTI SYNC CHECK 9V LINE SCL SDA AT P901 CHECK 5V 3 3V LINE AT PIP BOARD CHECK SIGNAL AT PIN 15 16 17 18 OF IP01 CHECK SIGNAL AT PIN 15 16 17 18 OF I501 NORMAL CHECK SIGNAL AT Q205 JP01 JP02...

Страница 53: ...SIGNAL AT PIN 38 39 40 41 OF I701 OSD TEXT SIGNAL CHECK SIGNAL AT PIN 15 16 17 18 OF I501 OSD TEST SIGNAL CHECK SIGNAL AT PIN 20 21 22 OF I501 CHECK REPLACE I501 NORMAL CHECK SIGNAL AT PIN 19 20 HORI...

Страница 54: ...2 CHECK SIGNAL AT PIN 3 5 OF I602 CHECK SIGNAL AT PIN 49 OF I501 CHECK SIGNAL AT PIN 56 OF I501 CHECK SIGNAL AT PIN 3 OF I501 NORMAL ABNORMAL ABNORMAL ABNORMAL ABNORMAL ABNORMAL ABNORMAL CHECK REPLACE...

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