S/M No : TCM405FEF0 Service Manual Color Television CHSSIS CM-405F MODEL DTH-2930SSFV Caution : In this Manual, some parts can be changed for improving. their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List)in Service Information Center. MAY.
TABLE OF CONTENTS SAFETY PRECAUTIONS SPECIFICATIONS CIRCUIT BLOCK DIAGRAM ALIGNMENT INSTRUCTIONS YOUR REMOTE CONTROL SERVICE MODE ADJUSTMENT ASSEMBLY ADJUSTMENT 2 5 6 7 7 8 10 APPENDIX(Appendix is provide only by internet[http://svc.dwe.co.
SAFETY PRECAUTIONS CAUTION : DO NOT ATTEMPT TO MODIFY THIS PRODUCT IN ANY WAY. NEVER PERFORM CUSTOMIZED INSTALLATIONS WITHOUT MANUFACTURER'S APPROVAL. UNAUTHORIZED MODIFICATIONS WILL NOT ONLY VOID THE WARRANTY, BUT MAY LEAD TO YOUR BEING LIABLE FOR ANT RESULTING PROPERTY DAMAGE OR USER INJURY. SERVICE WORK SHOULD BE PERFORMED ONLY AFTER YOU ARE THOROUGHLY FAMILIAR WITH ALL OF THE FOLLOWING SAFETY CHECKS AND SERVICING GUIDELINES.
SAFETY PRECAUTIONS CAUTION : Do not attempt to modify this product in any way. Unauthorized modifications will not only void the warranty, but may lead to your being liable for any resulting property damage or user injury. Service work should be performed only after you are thoroughly familiar with all of the following safety checks and servicing guide-lines. To do otherwise, increases the risk of potential hazards and injury to the user.
SAFETY PRECAUTIONS SUBJECT : IMPLOSION 1. All direct viewed picture tubes are equipped with an integral implosion protection system, but care should be taken to avoid damage during installation. Avoid scratching the tube. If scratched, replace it. 2. Use only recommended factory replacement tubes. SUBJECT : TIPS ON PROPER INSTALLATION 1. Never install any receiver in closed-in recess, cubbyhole or closely fitting shelf space over, or close to heat duct, or in the path of heated air flow. 2.
SPECIFICTION Model Item CHASSIS TV Standard Power Input Power Consumption Tuning System Tuning Ranges Sound Output Speaker Antenna Input Impedance Auxiliary Input Terminal Auxiliary Output Terminal Intermediate Frequencies Remote Control Special Function DTH-2930SSFV CM-405F NTSC-M, PAL-M, PAL-N AC 110-220V, 50/60Hz 110W Frequency Synthesizer(FS) Tuning System TV VHF(L) : CH2 - CH6 UHF(H) : CH7 - CH13 UHF : CH14 - CH69 CATV VHF(L) : 5A, A,B,A-5-A-1,CH2-CH6 VHF(H) : C-W+11,CH7 - CH13 UHF : W+12-W+84” 6W
AC 120/220V 50/60Hz 250V D801 -6- +65V +139.5V +195V +139.
ALIGNMENT INSTRUCTION R-48C12 Your Remote Control(R-48C04) 1.POWER Use this button to turn your TV on or off. 1.POWER Use this button to turn your TV on or off. 2.MUTE Use to turn the TV’s sound on and off. 2.MUTE Use to turn the TV’s sound on and off. 3.WCHV 3.WCHV Use these buttons to change channels on your TV, or select items in the menu system. Use these buttons to change channels on your TV, or select items in the menu system. 4.CVOLB 4.
ALIGNMENT INSTRUCTION 1. SERVICE MODE ADJUSTMENTS Follow the steps below whenever service adjustment is required. See Table- A and Table- B to determine if service adjustments are required. 1) How to enter the service mode using the user remote control. - Turn the set on. - Direct the remote control to the reception window of TV. - Push buttons of remote control in sequence as follows. 1 → MUTE → DISPLAY → MUTE - Then, the screen will appear as follows.
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ALIGNMENT INSTRUCTION 2. ASSEMBLY ADJUSTMENTS 1) SCREEN ADJUSTMENT (S2) Enter the service mode and select service adjustment S2. You can see the one horizontal line on the screen. Adjust the Screen Control Volume (located on FBT) so that the horizontal line onscreen may be disappeared. Press S2 button to exit in the screen adjustment mode. 2) FOCUS ADJUSTMENT Turn in a local station and adjust the Focus Control knob (located on FBT) for best picture details at high light condition.
ALIGNMENT INSTRUCTION 4-2) Vertical Position Adjustment. - Select V.SLOPE item, adjust V.SLOPE data value till the horizontal line in the centre of the video signal is just at the position where the blanking stars. - Select V.CENTER item, adjust V.CENTER data value to center the raster properly on the screen. 4-3) Vertical Size Adjustment - Select V.SIZE item, adjust V.SIZE data value to proper vertical size as follows. 4-4) Horizontal Position Adjustment - Select H.CENTER item, adjust H.
ALIGNMENT INSTRUCTION 4-4). EAST / WEST Adjustment Adjust the H.PARALLEL, H.SIZE, H-BOW, PARABOLA, EW TRAPEZ, CORNER TOP, CORNER BOTTOM to compensate for geometrical distortion. H.PARALLEL H.
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IC DESCRIPTION 1. UOC III SERIES 1-1.
-1527 28 29 30 VCC8V 43 AGC2SIF/SWO/AVL/ 44 SSIF/REFIN/REFOUT VP2 45 AUDOUTSL 37 AUDOUTSR 38 GND2 39 PLLIF 40 SIFAGC/DVBAGC 41 DVBO//IFVO/FMRO 42 AGCOUT 35 AUDIOIN5L 36 31 GNDIF 32 DVBIN1/SIFIN1 33 DVBIN2/SIFIN2 34 DECBG VIFIN1 VIFIN2 VSC IREF P3.2/ADC2 14 P3.3/ADC3 15 VDDA1(3.3V) 16 GNDA1 17 XTALIN 18 XTALOUT 19 VSSA1 20 DECDIG 21 VP1 22 PH2LF 23 PH1LF 24 GND1 25 SECPLL 26 VSSC 1 P0.5/INT0//P1.2 2 VDDC(1.8)/RESET 3 P1.0/INT1 4 P1.1/T0 5 P1.3/T1 6 P1.6/SCL1 7 P1.7/SDA 8 VDDP(3.3) 9 P2.0/TPMW//P0.
IC DESCRIPTION STANDARD VERSION FULL-STEREO/ MONO+ AV STEREO SSDIP90 SYMBOL DESCRIPTION VSSP2 1 ground VSSC4 1 ground VDDC4 3 digital supply to SDACs (1.8V) VDDA3(3.3V) 16 supply (3.3 V) VREF_POS_LSL 16 positive reference voltage SDAC (3.3 V) VREF_NEG_LSL+HPL 17 negative reference voltage SDAC (0 V) VREF_POS_LSR+HPR 16 positive reference voltage SDAC (3.3 V) VREF_NEG_HPL+HPR 17 negative reference voltage SDAC (0 V) VREF_POS_HPR 16 positive reference voltage SDAC (3.
IC DESCRIPTION STANDARD VERSION FULL-STEREO/ MONO+ AV STEREO SSDIP90 SYMBOL DESCRIPTION VIFIN2 29 IF input 2 VSC 30 vertical sawtooth capacitor IREF 31 reference current input GNDIF 32 ground connection for IF ampli er 33 SIF input 1 / DVB input 1 SIFIN1/DVBIN1 (2) SIFIN2/DVBIN2 (2) 34 SIF input 2 / DVB input 2 AGCOUT 35 tuner AGC output EHTO 65 EHT/overvoltage protection input AVL/SWO/SSIF/ REFO/REFIN (2) 44 Automatic Volume Levelling / switch output / sound IF input / subca
IC DESCRIPTION STANDARD VERSION DESCRIPTION 44/- VP2 IFVO/SVO/CVBSI FULL-STEREO/ AGC2SIF MONO+ AV STEREO SSDIP90 SYMBOL (2) AGC capacitor second sound IF 45 2nd supply voltage TV processor (+5 V) 46 IF video output / selected CVBS output / CVBS input AUDIOIN4 - audio 4 input AUDIOIN4L 47 audio-4 input (left signal) AUDIOIN4R 48 audio-4 input (right signal) CVBS4/Y4 49 CVBS4/Y4 input C4 - chroma-4 input AUDIOIN2 - audio 2 input AUDIOIN2L 50 audio 2 input (left signal) AUDI
IC DESCRIPTION STANDARD VERSION FULL-STEREO/ MONO+ AV STEREO SSDIP90 SYMBOL DESCRIPTION SVM 62 scan velocity modulation output FBISO/CSY 63 ybac k input/sandcastle output or composite H/V timing output HOUT 64 horizontal output VSScomb 70 ground connection for comb lter VDDcomb 71 supply voltage for comb lter (5 V) VIN (R/PRIN2/CX) - V-input for YUV interface (2nd R input / PR input or CX input) UIN (B/PBIN2) - U-input for YUV interface (2nd B input / PB input) YIN (G/YIN2/CVBS-YX
IC DESCRIPTION STANDARD VERSION FULL-STEREO/ MONO+ AV STEREO SSDIP90 SYMBOL DESCRIPTION VDDA1 86 analog supply for TCG m-Controller and digital supply for TV-processor (+3.3 V) VREFAD_NEG 87 negative reference voltage (0 V) VREFAD_POS 88 positive reference voltage (3.3 V) VREFAD 89 reference voltage for audio ADCs (3.3/2 V) GNDA 87 ground VDDA(1.8V) 90 analogue supply for audio ADCs (1.8 V) VDDA2(3.3) 88 supply voltage SDAC (3.
IC DESCRIPTION STANDARD VERSION FULL-STEREO/ MONO+ AV STEREO SSDIP90 SYMBOL DESCRIPTION P1.6/SCL 7 port 1.6 or I2C-bus clock line P1.7/SDA 8 port 1.7 or I2C-bus data line VDDP(3.3V) 9 supply to periphery and on-chip voltage regulator (3.3 V) P2.0/TPWM 10 port 2.0 or Tuning PWM output P2.1/PWM0 11 port 2.1 or PWM0 output P2.2/PWM1 47 port 2.2 or PWM1 output P2.3/PWM2 48 port 2.3 or PWM2 output P3.0/ADC0 12 port 3.0 or ADC0 input P3.1/ADC1 13 port 3.
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IC DESCRIPTION 3.
IC DESCRIPTION 4.
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IC DESCRIPTION 6. STR-W6756 FUNCTIONS OF EACH TERMINAL TERMINAL No.
WAVEFORMS Appendix WAVEFORMS 1).I801 PIN1 2).T402(FBT) HOR.OUT 3).T402(FBT) 190V(D406) 4).I701 PIN73 HOUT 5).I701 PIN76 V+.OUT 6).I701 PIN76 V-.
WAVEFORMS Appendix 7).I701 PIN75 EW OUT 8).I701 PIN46 MONITOR OUT 9).I701 (X-TAL) 10).I301 PIN4 V.OUT 11).I901 PIN R.IN 12).I901 PIN R.
TROUBLESHOOTING GUIDE Appendix 1.
TROUBLESHOOTING GUIDE Appendix 2. NO PICTURE NG : Go To The Figure (A) OK : Go To The Figure (B) Check The Waveform of TU101 IF PIN (A) TU101 TUNER 33V 5V CHECK THE VOLTAGE IF CHECK CLOCK,DATA Z101 SAW FILTER FILTER CHECK THE VOLTAGE SCL/SD 5V #22,43,45,63,80 #7,8 I701 CHECK THE CRYSTAL 3.3V #9,16,86,88 #18,19 X701 24.576MHz (B) CHECK THE HOUT #73 CHECK THE RGB OUT #83,84,85 I701 5V #22,43,45,63,80 3.
TROUBLESHOOTING GUIDE Appendix 3. NO SOUND NG : Go To The Figure (C) OK : Go To The Figure (D) Check The Output Signal of I701 #57,58 (C) TU101 TUNER 33V 5V CHECK THE VOLTAGE IF CHECK CLOCK,DATA Z101 SAW FILTER FILTER SCL/SD SIF #33 #7,8 I701 #22,43,45,63,80 #9,16,86,88 #18,1 CHECK THE CRYSTAL X701 24.576MHz 5V 3.
TROUBLESHOOTING GUIDE Appendix 4. CH DON’T MEMORY or SKIP NG : Loss of Signal or Weak Signal OK : Go To The Figure (E) Check The Iutput Signal Conditions (E) TU101 TUNER 33V CHECK CLOCK,DATA 5V CHECK THE VOLTAGE IF Z101 SAW FILTER FILTER I702 EEPROM #8 SIF #5,6 STB VIF SCL/SD #28,29 #33 CHECK THE VOLTAGE #7,8 I701 #22,43,45,63,80 #18,19 CHECK THE CRYSTAL #9,16,86,88 X701 24.576MHz -33- 5V 3.
TROUBLESHOOTING GUIDE Appendix 5. NO COLOR CHECK THE VOLTAGE CHECK THE RGB OUT #83,84,85 5V #22,43,45,63,80 I701 CHECK THE CRYSTAL 3.3V #9,16,86,88 #18,19 X701 24.576MHz 6. NO VERTICAL DEFLECTION I701 CHECK THE VERTICAL SIGNAL VERTICAL #76,77 CHECK THE CRYSTAL #18,19 X701 24.
TROUBLESHOOTING GUIDE Appendix -35-
ELECTRICAL PARTS LIST Caution : In this Manual, some parts can be changed for improving. their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List)in Service Information Center(http://svc.dwe.co.
ELECTRICAL PARTS LIST NO 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION C408 C409 C801 C802 C806 C819 CS803 CS804 D402 D403 D801 D802 D803 D804 D809 D813 DL701 I301 00001 0000A 0000B I601 00001 0000A 0000B I701 I702 I801 00001 0000A 0000B I802 I803 00001 0000A 0000B I805 IF01 JP501 JP502 JP503 L401 L402 L801 L807 CMYH3C702J CMYE2G273J CL1UC3474M CL1UC3474M CEYD2D331D CEY
ELECTRICAL PARTS LIST NO 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION M681 M682 M683 PA906 PW801 Q401 Q402 00001 0000A 0000B R617 R801 R837 RY801 SW707 T401 T402 T801 TU101 X701 Y801 Z101 Z801 C404 C410 C411 C412 C417 C419 C613 C804 C805 C807 C814 C815 C816 C817 C818 C820 C835 C842 C852 P601 P705 P902 4853747800 4853747800 4853747800 4850
ELECTRICAL PARTS LIST NO 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 LOC PARTS CODE PARTS NAME PA907 R106 R305 R401 R402 R407 R408 R409 R411 R414 R416 R417 R802 R829 R836 C101 C102 C103 C104 C105 C106 C112 C114 C115 C116 C117 C119 C122 C123 C124 C125 C127 C128 C130 C131 C201 C202 C204 C301 C305 C306 C307 C308 C402 C403 485923182S RS02Z512JS RS02Z129JS RS02Z100JS RS02Z
ELECTRICAL PARTS LIST NO 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 LOC PARTS CODE PARTS NAME C405 C413 C414 C416 C418 C420 C422 C423 C601 C602 C603 C604 C605 C606 C607 C608 C609 C610 C614 C619 C620 C622 C623 C624 C625 C626 C627 C628 C629 C701 C704 C705 C707 C713 C716 C721 C722 C723 C724 C725 C726 C727 C729 C730 C731 CCXB2H561K CEXF1H470V CCXB2H102K CCXB2H102K CCXB2H
ELECTRICAL PARTS LIST NO 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION C732 C734 C735 C737 C740 C809 C810 C811 C812 C813 C821 C824 C826 C827 C828 C834 C836 C837 CA07 CA08 CV12 F801 I804 L808 Q101 Q201 Q602 Q704 Q705 Q706 Q707 Q708 Q801 Q804 Q805 QV01 QV02 R302 R403 SW701 SW702 SW703 SW704 SW705 SW706 CMXL1J224J CMXL1J224J CEX
ELECTRICAL PARTS LIST NO 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 LOC PARTS CODE PARTS NAME A001 C107 C108 C109 C110 C111 C126 C129 C203 C205 C206 C612 C702 C703 C706 C712 C714 C715 C717 C719 C720 C728 C733 C736 C738 C739 CA03 CA04 CA05 CA06 CV13 CV14 CV15 D101 D301 D401 D404 D405 D406 D407 D408 D602 D701 D702 D703 4859818691 CZSL1H470J CZSL1H470J CCZF1H103Z CCZB1H
ELECTRICAL PARTS LIST NO 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 LOC PARTS CODE PARTS NAME D706 D805 D806 D807 D808 D810 D812 D814 D815 DV02 DV03 DV05 DV06 L101 L103 L104 L201 L301 L302 L403 L701 L702 L703 L704 L705 L706 L707 L709 L714 L803 L804 L805 L806 R101 R102 R103 R104 R105 R107 R108 R111 R112 R113 R114 R119 DUZ3R3B—D1N4937G— D1N4937G— D1N4937G— DMTZJ6R2CD1N
ELECTRICAL PARTS LIST NO 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 LOC PARTS CODE PARTS NAME R121 R201 R203 R204 R213 R301 R303 R304 R306 R307 R308 R310 R311 R312 R313 R314 R404 R405 R406 R410 R412 R413 R418 R601 R602 R604 R605 R606 R607 R609 R610 R612 R613 R614 R615 R616 R620 R622 R623 R624 R625 R626 R627 R628 R629 RD-AZ183JRD-AZ224JRN-AZ1801F RD-4Z222JRD-AZ750JRD-
ELECTRICAL PARTS LIST NO 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 LOC PARTS CODE PARTS NAME R630 R632 R633 R634 R635 R636 R701 R702 R703 R704 R705 R707 R708 R709 R710 R712 R713 R714 R719 R720 R722 R723 R725 R726 R727 R729 R730 R732 R733 R735 R736 R742 R743 R744 R745 R746 R747 R748 R769 R770 R772 R773 R774 R775 R776 RD-AZ103JRD-AZ103JRD-AZ103JRD-AZ103JRD-AZ103JRD-AZ
ELECTRICAL PARTS LIST NO 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 LOC PARTS CODE PARTS NAME R777 R778 R779 R780 R803 R804 R805 R806 R807 R808 R809 R819 R820 R823 R824 R826 R827 R830 R832 R833 R834 R835 R873 RA03 RA04 RA05 RA06 RA07 RA08 RS801 RS821 RV01J RV02 RV03 RV04 RV05 RV06 RV09 RV10 RV11 RV12 RV13 RV14 RV15 RV16 RD-AZ332JRD-AZ101JRD-AZ101JRN-AZ5600F RD-4Z479J
ELECTRICAL PARTS LIST NO 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION RV17 ZA03 ZA04 ZA05 ZA07 ZA08 ZZ300 I901 00001 0000A 0000B P903 PA902 SCT1 C904 C905 C926 P906 R911 R914 C902 C903 C922 C923 C924 C925 A001 D905 D906 D907 D908 J901 J902 R901 R902 R903 R905 R906 R907 R908 R909 R910 R912 R913 RD-AZ750J85801065GY 85801065GY 8580
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DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : MAY.