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10. TROUBLE SHOOTING CHARTS

1. NO RASTER

CHECK MAIN
B+(123V)

NORMAL

ABNORMAL

CHECK VOLTAGE

CHECK HEATER VOLTAGE

OF C804(180UF)

VIDEO B+(180V) LINE

295VDC AT AC 220V

27V & 13.5V

NORMAL

ABNORMAL

CHECK/ REPLACE

CHECK/REPLACE

CHECK Horizontal

F801

I801

plose AT PIN 24 OF I501

(STR-F6656)

NORMAL

CHECK/REPLACE

ABNORMAL

D802~D805,R803

CHECK/REPLACE

CHECK VCC

I802(LTV-817C)

AT PIN 25(3.3V) OF I501

NORMAL

CHECK VOLTAGE AT
PIN 3 OF I701

CHECK SIGNAL AT

ST-BY:H

PIN 59,60 OF I501

POWER ON:L

CHECK VOLTAGE AT

CHECK / REPLACE

I806(3.3V)

I501

15(5V), 25(3.3V)

I804(7505)

NORMAL

ABNORMAL

CHECK SIGNAL AT PIN

CHECK / REPLACE

59(SCL), 60(SDA)

Q402, Q401,T402

OF I501

R404,D401

CHECK / REPLACE
CRT BLOCK

CHECK/REPLACE
X501(20.25MHZ), I501

Содержание DTR-14D9ME

Страница 1: ...ME MP MT MZ MODEL ME MP MT MZ TEXT O X O X PIP O O X X MODEL OPTION LIST http svc dwe co kr Caution In this Manual some parts can be changed for improving their performance without notice in the parts...

Страница 2: ...M 908S 18 5 2 FUNCTION DIFFERENT PARTS OF CM 908S 20 6 SCHEMATIC DIAGRAM 21 7 PRINTED CIRCUIT BOARD 22 8 MECHANICAL EXPLODED VIEW AND PARTS LIST 23 9 IC DESCRIPTION 26 10 TROUBLE SHOOTING CHARTS 55 T...

Страница 3: ...ower 5W 5W 14 20 7W 7W 21 21 flat 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 Ind...

Страница 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...

Страница 5: ...0 00130 S9 00120 00130 00130 00130 00130 For Sub Brightness 00032 00032 00060 00060 00032 00032 00048 00048 00008 00008 ON ON OFF ON OFF ON 00020 OFF 32 don t care 400 420 420 420 430 For Screen adjus...

Страница 6: ...h Models CM 907 OFF For 14 21 inch Models CM 907S LATIN English French Swedish Czech German Spanish Italian Estonian EAST English Slovakian Hungarian Serbian Albanian Polish Turkian Rumanian RUSSIA En...

Страница 7: ...creen OSD bar is appeared with Blue Back screen 3 4 Preparatory Focus G1 Alignmet You must try to Focus Alignment roughly for exact SCREEN alignmet 3 5 Adjust the Screen Volume of FBT in order that th...

Страница 8: ...nt of White Balance 5 3 Adjustment of White Balance 5 3 1 Receive Nitsuki signal 5 3 2 Adjust Picture to Normal mode 5 3 3 The Adjustment of High Beam Adjust R DRIVE and G DRIVE to R G B BAR come to c...

Страница 9: ...at 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 Linearity after EEPROM pr...

Страница 10: ...e 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 displayed...

Страница 11: ...ess 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...

Страница 12: ...RA HCBK102KBA 50VX7R 1000PFK 1608 1 CC304 C CHIP CERA HCBK103KBA 50VX7R 0 01MF K1608 1 CC306 C CHIP CERA HCBK103KBA 50VX7R 0 01MF K1608 1 CC310 C CHIP CERA HCBK102KBA 50VX7R 1000PFK 1608 1 CC414 CCHIP...

Страница 13: ...08 1 RCF75 RCHIP HRFT152JBA 1 101 5KOHMJ 1608 1 RCF76 RCHIP HRFT822JBA 1 108 2KOHMJ 1608 1 LOC PARTCODE PARTNAME DESCRIPTION QTY RCP07 RCHIP HRFT221JBA 1 10220 OHM J1608 1 ZZ200 PCBMAIN RHU AS PTMPJ0D...

Страница 14: ...MF 5X11 TP 1 C621 CELECTRO CEXF1H109V 50VRSS1MF 5X11 TP 1 C622 CELECTRO CEXF1E470V 25VRSS47MF 5X11 TP 1 C627 CELECTRO CEXF1H220V 50VRSS22MF 5X11 TP 1 C630 CELECTRO CEXF1H100V 50VRSS10MF 5X11 TP 1 C631...

Страница 15: ...Z 6 2BM 1 D811 DIODE D1N4937G 1N4937G TAPPING 1 D814 DIODE ZENER DUZ5R1B UZ 5 1B 1 D815 DIODE D1N4148 1N4148 TAPPING 1 D816 DIODE ZENER DUZ2R7B UZ 2 7B 1 D818 DIODE ZENER DUZ5R6BM UZ 5 6BM 1 D819 DIOD...

Страница 16: ...AWG221 0 65TINCOATING 0 05 J211 WIRE COPPER 85801065GY AWG221 0 65TINCOATING 0 05 J215 WIRE COPPER 85801065GY AWG221 0 65TINCOATING 0 05 J216 WIRE COPPER 85801065GY AWG221 0 65TINCOATING 0 05 LOC PART...

Страница 17: ...Z330J 1 633OHMJ 1 R540 RCARBONFILM RD AZ330J 1 633OHMJ 1 R541 RCARBONFILM RD AZ101J 1 6100OHMJ 1 R542 RCARBONFILM RD AZ271J 1 6270OHMJ 1 R543 RCARBONFILM RD AZ101J 1 6100OHMJ 1 LOC PARTCODE PARTNAME D...

Страница 18: ...RCARBONFILM RD AZ102J 1 61KOHMJ 1 RP02 RCARBONFILM RD AZ102J 1 61KOHMJ 1 RP03 RCARBONFILM RD AZ101J 1 6100OHMJ 1 RP04 RCARBONFILM RD AZ101J 1 6100OHMJ 1 RP05 RCARBONFILM RD AZ103J 1 610KOHMJ 1 RP06 RC...

Страница 19: ...40M290 ECPCC140M290 DDC7R0M290 ECPCD7R0M290 DDC7R0M290 ECPCD7R0M290 DDC7R0M290 ECPCD7R0M290 PTC posistor 14 14 OHM 20 21 21 F 7 OHM SCT01 SOCKET CRT 4859304130 ISHG93S 4859304130 ISHG93S CRT Socket fo...

Страница 20: ...Z100K02 10UH K AXIAL 3 5MM LP03 COIL PEAKING 5CPZ100K02 10UH K AXIAL 3 5MM LP04 COIL PEAKING 5CPZ100K02 10UH K AXIAL 3 5MM D812 DIODE DRGP15J RGP15J REMARK D EYE Depend on Cabinet LOC Part Name Part C...

Страница 21: ...20 6 Schmetic Diagram...

Страница 22: ...21 7 Printed Circuit Board...

Страница 23: ...TAPPTITE SPEAKER RETA PCB BUTTON CH SP 5090F03 SWRM SECC A34KQV42X NYLON 66 ABS GY SCREW CRT FIXING SCREW CRT FIXING WASHER RUBBER CRT AS 14 COVER BACK CLOTH BLACK 30X80 BK CR T2 0 1401S 1015 1P HIPS...

Страница 24: ...SCREW TAPPTITE TT2 WAS 3X10 MFZN 5 11 4855617500 4855936101 DECO EYE ABS BLUE 7178301011 SCREW TAPPTITE TT2 WAS 3X10 MFZN 7178301011 SCREW TAPPTITE TT2 WAS 3X10 MFZN 4858310910 SPEAKER SP 5090F03 717...

Страница 25: ...178301011 SCREW TAPPTITE TT2 WAS 3X10 MFZN 5 11 4855617500 4855936101 DECO EYE ABS BLUE 7178301011 SCREW TAPPTITE TT2 WAS 3X10 MFZN 7178301011 SCREW TAPPTITE TT2 WAS 3X10 MFZN 4858311110 SPEAKER SP 58...

Страница 26: ...2 0 HIPS GY 30X190 BK 21 11 10 9 8 7 5 6 4 3 20 18 19 17 15 16 14 13 12 4855617500 MARK BRAND CU AU ABS BK 21D8 CM 907S CORE 4854803201 4855548000 DECO SENSOR PC SMOG 4856013610 SCREW SPKR FIX L 16 A...

Страница 27: ...hip 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 3...

Страница 28: ...FETY P20 P21 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...

Страница 29: ...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...

Страница 30: ...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...

Страница 31: ...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...

Страница 32: ...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...

Страница 33: ...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...

Страница 34: ...yback 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 Output pins HOUT GNDAB VSUPAB VREF Fig 6 17 Input pins SAFE...

Страница 35: ...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...

Страница 36: ...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...

Страница 37: ...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...

Страница 38: ...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...

Страница 39: ...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...

Страница 40: ...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...

Страница 41: ...46 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...

Страница 42: ...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...

Страница 43: ...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...

Страница 44: ...49 IC DESCRIPTION APPENDIX 6 STR W6753...

Страница 45: ...50 IC DESCRIPTION APPENDIX...

Страница 46: ...51 IC DESCRIPTION APPENDIX...

Страница 47: ...52 IC DESCRIPTION APPENDIX...

Страница 48: ...53 IC DESCRIPTION APPENDIX...

Страница 49: ...54 IC DESCRIPTION APPENDIX...

Страница 50: ...AT PIN 24 OF I501 STR F6656 NORMAL CHECK REPLACE ABNORMAL D802 D805 R803 CHECK REPLACE CHECK VCC I802 LTV 817C AT PIN 25 3 3V OF I501 NORMAL CHECK VOLTAGE AT PIN 3 OF I701 CHECK SIGNAL AT ST BY H PIN...

Страница 51: ...AL 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 Q50...

Страница 52: ...S 3 NO COLOR CHECK SIGNAL AT ABNORMAL REFER TO 19TH PIN OF I501 NO PICTURE 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...

Страница 53: ...NAL AT R G B 19TH PIN OF I501 OF I501 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 CHECK SIGNAL AT HEATER...

Страница 54: ...CK INPUT VOLTAGE OF I301 CHECK REPLACE I301 CHECK REPLACE I701 CHECK REPLACE D410 D301 27V LINE 13V LINE CHECK 35TH PIN OF I501 CHECK VERTICAL INPUT Vin OF I301 CHECK VERTICAL OUTPUT Vout OF I301 CHEC...

Страница 55: ...NORMAL CHECK SIGNAL AT PIN 1 2 14 17 OF I601 CHECK SIGNAL AT PIN 6 12 OF I601 CHECK SIGNAL AT PIN 29 30 OF I602 CHECK SIGNAL AT PIN 2 5 OF I602 CHECK SIGNAL AT PIN 27 OF I501 CHECK SIGNAL AT PIN 24 25...

Страница 56: ...OOTING CHART S 7 NO EXTERNAL AV RF OK CHECK CONNECTION of AV1 AV2 DVD1 DVD2 CHECK REPLACE Q583 Q584 Q585 Q586 CHECK SIGNAL AT PIN 20 21 22 16 17 18 OF I501 CHECK SIGNAL AT PIN R G B 42 43 44 OF I501 A...

Страница 57: ...G CHART S 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...

Страница 58: ......

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