S/M No : TCN400FNF0 Service Manual Color Television CHSSIS MODEL CN-400FN DTQ-29U1SCV DTQ-29U1SSFV DTQ-29U1SCSV DTQ-29U5SSFV DTQ-29U4SCV CN-401FN 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. Apr.
TABLE OF CONTENTS SAFETY PRECAUTIONS SPECIFICATIONS CIRCUIT BLOCK DIAGRAM ALIGNMENT INSTRUCTIONS YOUR REMOTE CONTROL SERVICE MODE ADJUSTMENT ASSEMBLY ADJUSTMENT ELECTRICAL PARTS LIST DIFFERENT PARTS LIST SCHEMATIC DIAGRAM EXPLODE VIEW PRINTED CIRCUIT BOARD 2 5 6 7 7 8 10 12 25 26 28 30 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 DTQ-29U4SCV DTQ-29U1SCV, DTQ-29U1SCSV CN-401FN NTSC-M AC 120v, 60Hz CN-400FN 107W 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 UH
CIRCUIT BLOCK DIAGRAM -6-
ALIGNMENT INSTRUCTION Your Remote Control(R-48C04) 1. POWER Use this button to turn your TV on or off. 2. MUTE Use to turn the TV’s sound on and off. 3. WCHV Use these buttons to change channels on your TV, or select items in the menu system. 4. CVOLB Use these buttons to change your TV's volume, to activate selections in the menu system, or to change audio and video settings. 5. MENU Use this button to turn the TV’s menu system on and off. 6. DISPLAY Use this button to display the present status. 7.
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.
ALIGNMENT INSTRUCTION Table-B. CN-400FN(DTQ-29U1SCV) EEPROM DATA MODE NAME VAL S1 HEAT RUN S2 SCREEN ADJUST S5 AGC LEVEL IFOFF QSS BPB FMI AGN BPBS DSG Fine Tunning FILTBW IDMOD OVMTHR IDMOD SLOW KOR V.SIZE V.CENTER V.SLOPE V.LINEARITY S_CORRECTION H.CENTER H.SIZE H.
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) WHITE BALANCE ADJUSTMENT(S8) - Receive a good local channel. - Enter the service mode and select service adjustment S8. - You can see the OSD as shown in below. R-GAIN 32 SRC R-BIAS 32 G-GAIN 32 SRC G-BIAS 32 B-GAIN 40 CVI R-BIAS -8 R-BIAS 32 CVI G-BIAS 10 G-BIAS 32 VWSELECT C BADJUST L EXIT - Using volume up or volume down, adjust service adjustment data of R-GAIN/G-GAIN/B-GAIN and R-BIAS/G-BIAS until a good gray scale with normal whites is obtained.
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 10 JA02 M111 M111A M684 P201A ZZ200 ZZ200 10 20 A001 CC608 CCS07 RC636 RCS33 ZZ290 10 30 40 C118 C401 C406 C407 C408 C409 C801 C802 C806 C819 CS803 CS804 D402 D403 D801 D802 D803 D804 D809 D813 DL701 I301 00001 0000A 0000B I601 2193102005 4859105450 4851114003 7178301011 4856812001 4850705N21 PTJAJRK
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 00001 0000A 0000B I701 I702 I801 00001 0000A 0000B I802 I803 00001 0000A 0000B I805 IF01 JP501 JP502 JP503 L401 L402 L801 L807 M681 M682 M683 PA906 PW801 Q401 Q402 00001 0000A 0000B R617 R801 R837 RY801 SW707 T401 T402 T801 TU101 X701 Y801 Z101 1LA42072N4857028200 71743
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 PARTS DESCRIPTION Z801 ZZ200 C404 C410 C411 C412 C417 C419 C613 C804 C805 C807 C814 C815 C816 C817 C818 C820 C835 C842 C852 ZZ200 10 N004 N005 N006 N007 N008 N009 P601 P705 P902 PA907 R106 R305 R401 R402 R407 R408 R409 R411 R414 R416 R417 R802 DSVC471D14 PTMPJ0K142 CEXA2D22
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 PARTS DESCRIPTION R829 R836 ZZ200 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 C405 C413 C414 C416 C418 C420 C422 C423 C601 C602 C603 C604 RS02Z309JS RS02Z109JS PTMPJRK1
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 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 C732 C734 C735 C737 C740 C809 C810 C811 C812 C813 C821 C824 CMXM2A682J CMXM2A682J CMXM2A104
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 PARTS DESCRIPTION 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 ZZ200 10 20 A001 C107 C108 C109 C110 C111 C126 C129 C203 CEXF1E221V CEXF1C331V CEXF1H
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 PARTS DESCRIPTION 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 D706 D805 D806 D807 D808 D810 D812 D814 D815 CBZF1H104Z CCZB1H472K CBZF1H104
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 PARTS DESCRIPTION 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 R121 R201 R203 R204 R213 R301 R303 R304 R306 DMTZJ5R6BDMTZJ5R6BDMTZJ5R6BDMTZ
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 PARTS DESCRIPTION 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 R630 R632 R633 R634 R635 R636 R701 R702 R703 RN-AZ2201F RD-4Z514JRD-AZ104JRD
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 PARTS DESCRIPTION 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 R777 R778 R779 R780 R803 R804 R805 R806 R807 85801065GY RD-AZ102JRN-AZ5600F
ELECTRICAL PARTS LIST NO 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION 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 RV17 ZA03 ZA04 ZA05 ZA07 ZA08 ZZ300 10 30 85801065GY RD-AZ102JRN-4Z1003F
ELECTRICAL PARTS LIST NO 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 LOC PARTS CODE PARTS NAME PARTS DESCRIPTION 40 I901 00001 0000A 0000B P903 PA902 SCT1 ZZ200 C904 C905 C926 ZZ200 10 P906 R911 R914 ZZ200 C902 C903 C922 C923 C924 C925 ZZ200 10 20 A001 D905 D906 D907 D908 J901 J902 R901 R902 R903 R905 R906 R907 R908 R909 R910 R912 R913 2291050301 PTE3SW1100 1TDA6107A
DIFFERENT PARTS LIST **This BOM is based on DTQ-29U1SC, it is different parts list in comparison with DTQ-29U5SC.
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20 19 18 17 5 6 13 20 7172401612 SCREW TAPTITE 8 TT2 TRS 4X16 MFZN BK 19 7172401612 SCREW TAPTITE 1 TT2 TRS 4X16 MFZN BK 18 7178301212 SCREW TAPTITE 2 TT2 WAS 3X12 MFZN BK 17 4855936700 DECO AV 1 PVC T0.25 16 4851114003 PANEL AV ASSY 1 2326802+5934301 SIDE AV PCB 1 CN-321 15 14 7172401212 SEREW TAPTITE 1 TT2 TRS 4X12 MFZN BK 13 4852163101 COVER BACK 1 HIPS GY 12 4856015821 SCREW CRT FIX 4 SWRM+SK5 L=35 11 4856215402 WASHER RUBBER 4 CR T2.
21 20 19 18 6 7 14 21 7172401612 SCREW TAPTITE 8 TT2 TRS 4X16 MFZN BK 20 7172401612 SCREW TAPTITE 1 TT2 TRS 4X16 MFZN BK 19 7178301212 SCREW TAPTITE 2 TT2 WAS 3X12 MFZN BK 18 4855936700 DECO AV 1 PVC T0.25 17 4851114003 PANEL AV ASSY 1 2326802+5934301 16 SIDE AV PCB 1 CN-321 15 7172401212 SEREW TAPTITE 1 TT2 TRS 4X12 MFZN BK 14 4852163101 COVER BACK 1 HIPS GY 13 4856015821 SCREW CRT FIX 4 SWRM+SK5 L=35 12 4856215402 WASHER RUBBER 4 CR T2.
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-33- SVO/IFOUT/CVBSI 45 C2/3 35 CVBS3/Y3 36 AUDIOIN3R//P1.5/P2.5 37 AUDIOIN3L//P1.4/P2.4 38 CVBS2/Y2 39 AUDIOIN2R//P0.0 40 AUDIOIN2L//P0.2 41 CVBS4 42 AUDIOIN4R//P2.3 43 AUDIOIN4L//P2.2 44 AUDOUTHPR 31 AUDOUTHPL 32 AUDOUTLSR 33 AUDOUTLSL 34 HOUT 27 FBISO/CSY 28 SVM 29 CVBSO/PIP 30 B/PB-3 13 G/Y-3 14 R/PR-3 15 INSSW3 16 YOUT 17 YSYNC 18 CVBSX 19 VDDcomb 20 21 VSScomb VGUARD/SWIO 22 VDRB 23 VDRA 24 AVL/EWD 25 EHTO 26 VDDA(1.8V) 1 VREFAD 2 VDDA3(3.3V) 3 GNDA2 4 VDDA2(3.3V.
IC DESCRIPTION Appendix 2. Pin Description STANDARD VERSION DESCRIPTION MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 SYMBOL FACE DOWN VERSION VSSP2 1 1 128 90 ground VSSC4 2 1 127 90 ground VDDC4 3 3 126 88 digital supply to SDACs (1.8V) VDDA3(3.3V) 4 16 125 75 supply (3.3 V) VREF_POS_LSL 5 16 124 75 positive reference voltage SDAC (3.
Appendix IC DESCRIPTION STANDARD VERSION DESCRIPTION MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 SYMBOL FACE DOWN VERSION VIFIN2 25 29 104 62 IF input 2 VSC 26 30 103 61 vertical sawtooth capacitor IREF 27 31 102 60 reference current input GNDIF 28 32 101 59 ground connection for IF ampli er SIFIN1/DVBIN1 (2) 29 33 100 58 SIF input 1 / DVB input 1 SIFIN2/DVBIN2 (2) 30
IC DESCRIPTION Appendix STANDARD VERSION DESCRIPTION MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 SYMBOL FACE DOWN VERSION AGC2SIF 46 44/- 83 47/- VP2 47 45 82 46 2nd supply voltage TV processor (+5 V) IFVO/SVO/CVBSI (2) 48 46 81 45 IF video output / selected CVBS output / CVBS input AUDIOIN4 - - - AUDIOIN4L 49 47 80 44 audio-4 input (left signal) AUDIOIN4R 50 48 79 43 au
IC DESCRIPTION Appendix STANDARD VERSION DESCRIPTION MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 SYMBOL FACE DOWN VERSION SVM 65 62 64 29 scan velocity modulation output FBISO/CSY 66 63 63 28 ybac k input/sandcastle output or composite H/V timing output HOUT 67 64 62 27 horizontal output VSScomb 68 70 61 21 ground connection for comb lter VDDcomb 69 71 60 20 supply voltage
IC DESCRIPTION Appendix STANDARD VERSION DESCRIPTION MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 SYMBOL FACE DOWN VERSION VDDA1 88 86 41 5 analog supply for TCG m-Controller and digital supply for TV-processor (+3.3 V) VREFAD_NEG 89 87 40 4 negative reference voltage (0 V) VREFAD_POS 90 88 39 3 positive reference voltage (3.
IC DESCRIPTION Appendix STANDARD VERSION DESCRIPTION MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 MONO FULL-STEREO/ MONO+ AV STEREO SSDIP90 STEREO + AV STEREO QFP128 SYMBOL FACE DOWN VERSION P1.6/SCL 108 7 21 84 port 1.6 or I2C-bus clock line P1.7/SDA 109 8 20 83 port 1.7 or I2C-bus data line VDDP(3.3V) 110 9 19 82 supply to periphery and on-chip voltage regulator (3.3 V) P2.0/TPWM 111 10 18 81 port 2.0 or Tuning PWM output P2.
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 -45- 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 7. REMOTE CONTROL DOES NOT OPERATE CHECK THE VOLTAGE 5V #22,43,45,63,80 I701 3.3V #9,16,86,88 #18,19 CHECK THE CRYSTAL X701 24.576MHz CHECK THE WAVEFORM OUT CHECK THE VOLTAGE IF01 IC PREAMP 3.
DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : Apr.
