Sony TV KV-13TR27 - 13
Contents
1. How to Set the Channel BLOCK Make sure that the clock has been set correctly before Setting the channel BLOCK Example To set the BLOCK for a program which begins at 9 30 AM on channel 9 Press TIMER BLOCK three times to change from normal page to BLOCK page TIMEWBLOCK BLOCK page indications f red Press 0 9 3 0 ENTER 0 necessary Numbers will wink to indicate that the time has been Set Press 8 ENTER 0 not necessary Numbers will wink to indicate that the channel has been Set cog ENTER c3 94 If you have made a mistake press CLEAR and return to step 2 The BLOCK has now been set At the preset time the picture of the selected channel will be blocked from view and the sound will be muted red BLOCKED indication will appear on the screen while the channel is blocked Normal reception will be resumed after 12 hours To return to normal reception white the channel is blocked recall BLOCK and press CLEAR The BLOCK setting blocks a specified channel for the same 12 hour period everyday To clear BLOCK setting summon BLOCK page and press CLEAR To reset clear the setting and tollow the steps above from step 2 Make sure that the clock has been set correctly before setting the program start TIMER Example To set the TIMER for program which begins at 10 30 PM on channel 12 Press TIMER BLOCK once to change from2. C520 ahea EYE B r 1 0 gt 6 3 SCHEMATIC DIAGRAM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 C BOARD WAVEFORMS MEASUR USING NTVM CAUTION 9 CHANNEL VOLTAGE sure to corinect the connector 1 for safety 3 lt VLOCH 2 CH amp CH A 6 CH B 5 5V IV 20 5V41V c 1 ie f lt gt 7 13 WHIT 4 i V TQ SSVElV 25 041 d U CH 14 CH69 CH W 12 CH W 29 SV lV 25 041V f AUBIO 125Vp p R G B OUT HP m eR m sa a3 v TUNER VIF SIF PLL CONTROLLER VIDEO MEMORY COMB FILTER Y CHROMA JUNGLE D A CONVERTER H V OUT HV PROTECT POWER SUPPLY CUSTOMER CONTROL i 703 28327 BAS SUB HUE 8 0 8402 R405 156119 82 AR MP A707 1 2 ES 975 8701 705 R716 uv Rv709 TUN 702 VV RV704 YEL ga 2 j video 22 4 YEL p 7 041 1 K KSC2785 SWITCH 8504 505 560 0 0068 2 4Vp p 2 Ra 9 CREE al V C 5 8 9409 KSC2785 BUFFER
3. DIA 3 NYLON 4 34 751 01 EYELET 252 124 799 11 ELECT 2 2MF 20 1607 254 1 124 799 11 ELECT 2 2MF 204 160V C301 1 124 902 00 ELECT 0 4TMF 204 50V CONNECTOR C302 1 102 961 00 CERANIC 27PF 5 50V C303 1 126 101 11 ELECT 100MF 204 16V 1506 34899 CONNECTOR A2 1 508 786 00 PIN CONNECTOR 5M PITCH 2P C305 1 124 902 00 ELECT 0 ATMF 20 Sov A3 1 580 798 1 CONNECTOR PIN DY 6P C309 124 903 11 ELECT IMF 20 50 44 1 508 768 00 CONNECTOR 5MM PITCH 6P C312 1 102 951 00 CERAMIC 15PF 5 50V A5 1564 50 PLUG CONNECTOR C314 1 102 951 00 CERANI C 15PF 5 501 C315 1 126 320 11 ELECT 10MF 20 16 AS VIR T6500 FIN CONNECTOR OM C316 1 102 953 00 CERAMIC 18 Hg 1 508 765 00 PIN CONNECTOR PITCH 3P E ov 00 SH 1 321 1 102 129 00 CERAM C Q 01MF 1 50V C322 1 124 907 11 ELECT 10MF 20 50 lt CAPACI TOR C400 126 101 11 ELECT 100MR 1 16 C401 1 102 212 00 CERAMIC 820PF 10 500V C101 1 236 071 11 ENCAPSULATED COMPONENT C102 1 126 233 11 ELECT 22M8 20 50 C402 1 124 479 11 ELECT 330MF 20 25V C103 Lr va CERAMI C 0 0047HF 10 50 C403 1 126 101 11 ELECT 100MF 20 161 C104 058 21 ENCAPSULATED COMPONENT C405 124 477 11 ELECT ATHF 20 161 C105 1 102 976 00 CERAMIC 180PF 5 50V i vit 1 126 233 11 ELECT 22MF 20 50V 410 1 124 903 11 ELECT IMF 20 50V C106 1 102 976 00 CERAMIC 180PF 4 50V 3 C107 1 102 108 00 CERAMIC 150PF 10 50 419 1 126 101 1 ELECT 100MF 20 10V C108
4. Picture Tube Removal 11 SET UP ADJUSTMENTS 3 1 12 3 2 18 3 3 4 3 4 3 5 4 WARNING ISOLATION TRANSFORMER SHOULD USED DURING ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD BECAUSE OF LIVE CHASSIS THE CHASSIS OF THIS RECEIVER IS DIRECTLY CON NECTED TO THE AC POWER LINE SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY SHADING AND MARK ON THE SCHEMATIC DIAGRAMS EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY CIRCUIT ADJUSTMENTS THAT ARE CRITICAL TO SAFE OPERATION ARE IDENTIFIED THIS MANUAL FOLLOW THESE PRO CEDURES WHENEVER CRITICAL COMPONENTS ARE REPLACED OR IMPROPER OPERATION 15 SUSPECTED Section Title 4 SAFETY RELATED ADJUSTMENT A ELECTRICAL ADJUSTMENTS 5 1 Board Adjustment ts DIAGRAMS 6 1 6 2 6 3 6 4 Circuit Board Location HMM Printed Wiring Board Schematic Diagram Semiconductors emm EXPLODED eee meme ELECTRICAL PARTS LIST ATTENTION AFIN D EVITER TOUT RISQUE D ELECTROCUTION PROVENANT D UN CH SSIS SOUS TENSION UN TRANSFORMATEUR D ISOLEMENT DOIT ETRE UTILIS LORS DE TOUT D PANNAGE LE CHASSIS DE CE RECEPTEUR EST DIRECTEMENT RACCORD L ALIMENTATION SECTEUR ATTENTION AUX COMPOSANTS RELATIFS A LA S CURIT LES COMPOSANTS IDE
5. fr WS R432 tL C423 L 6450 4 7 19 47001 a C422 ADE CHRON 1 VIDEO 1 5 VIDEO TUTTA mis RB 8513 100 ug 8325 C312 X301 6 8k 15 3 58MHz SEM 487 1 10 Oe 3 a Kat 7785 mu 5 8 lt I t E QU i El as lt i iJ Di E lt i m lt 3 23 4 13 4 n WHT Qv B20p bo NE i Ba math A 8 X 528 C548 1 a 98 E 00 9508 9241 250V 570 500 le 1 0502 RoPIOG 27 2582096 i BEY 15V RECT e 3V REG 1 s m j 2 9 5 85 18040 100 AXCLO 5 100 H E gt EN L P Y en il R579 0241 WHT 4 6 530 47 C55 ORO28 2 2k 10 JESI 800 4 68021 2 2 62 2 180v H 2 RL ORIVE HV 5102 5103 3106 as BLK MUTE vIOEQ BLK CONTROL CAUTION gt When replacin
6. 00 CERAMI C 0 047MF 50V Q3 1 136 159 00 FILM 033MF 5 50V 144 1 136 157 00 FILM 0 022MF 50V i C510 1 130 481 00 MYLAR 0 0068MF 5 50V 190 1 126 101 11 ELECT 100MF 20 161 EM 136 159 00 FILM 0 033MF 54 50V C201 126 101 11 ELECT 100 20 161 C 1 124 925 11 ELECT 2 2MF 20 50V C204 1 102 121 00 CERAMIC 0 0022MF 10 50V j C513 1 124 903 11 ELECT 1MF 204 50 1 514 1 124 907 11 ELECT 10 20 50V 141 1 124 907 11 ELECT 10 20 5ov j C515 1 124 464 11 ELECT 0 22 20 50 1 516 1 124 477 11 ELECT 47 MF 204 16V 29 Les composants identifies The components identified by une trame et une marque A hading and mark are criti sont critiques pour la securite al for safety Ne les que par une Replace only with part number A piece portant le numero specifie pecified REF PART NO DESCRIPTION REMARK 0 PART NO DESCRIPTION REMARK C517 1 126 233 11 22MF 20g 50 D113 8 719 911 19 DIODE 158110 RIP 1 102 125 00 CE 0 0047MF 104 50V 114 8 719 911 19 DIODE 155119 at 024 21 um 7 JA 0115 9 719 109 74 DIODE RD4 3ES B 10 D126 8 719 911 19 DIODE 1519 a 0127 8 719 911 19 DIODE 1551 SARV 7 0128 8 719 911 19 DIODE 155119 160V D157 8 719 911 19 DIODE 155119 PY 0159 8 719 911 19 DIODE 15S119 200V D241 8 719 110 17 DIODE 01085 2 02
7. 1 40 R204 1 949 435 11 CARBON 33K 52 1 49 R429 1 949 421 11 CARBON 2 2K 54 1 48 07 1 949 435 11 CARBON 33K 59 1 R431 1 249 421 11 CARBON 2 2K P 1 40 R432 1 249 420 11 CARBON 1 8K 5 1 49 8241 1216472 00 METAL OXIDE 39 5 F 6433 1 947 887 00 CARBON 220K 52 1 44 R242 1 249 413 1 CARBON 470 52 1 49 R243 1 249 429 11 CARBON 10k 5 1 40 R434 1 249 415 11 CARBON 680 52 1 48 8245 1 249 407 1 1 CARBON 150 59 1 40 F R435 1 202 730 00 SOLID 8 24 107 1 28 R250 194941741 Ik 59 1 4 1436 1 249 423 11 CARBON 3 3K 5 1 40 R437 1 249 429 11 CARBON 10K 5 1 40 R251 1 949 417 11 CARBON 1 48 R438 949417 1 CARBON 1K 559 1 4 8252 1 241 881 00 CARBON 1206 5 1 40 R253 1 949 499 11 CARBON MX 558 1 28 R439 1 249 42911 CARBON 10K 5 1 4 R255 1 216 426 11 METALOXIDE 82 54 18 F R440 1 249 417 11 CARBON 19 301 1 21 5472 00 METAL 130K 1 1 49 R441 1 249 421 11 CARBON 2 2K 5 1 40 R445 1 249 423 11 CARBON 3 3K 5 1 48 R302 1 249 438 11 CARBON 56R 5 1 4W R448 1 249 421 11 CARBON 2 2K 5 1 49 34 1 247 889 00 CARBON 2705 5 1 40 R305 1 249 440 1 1 CARBON 82K 1 40 R451 1 202 727 00 SOLID 4 74 10 1 20 R306 1 249 437 1 1 CARBO 579 1 40 R460 1249 AIT CARBON IK 5 1 49 R307 1 249 499 1 CARBON 10K 59 1 4 R461 1 949 419 11 CARBON 1 50 52 1 40 R501 1 215 920 11 METAL OXIDE 3 3 5 3W R308 194941 1 CARBO 330 5 1 44 8502 1 216 484 00 METAL OXIDE 3 98 5 34 309 194941 1 CARBO 330 5 1 4 R310 14
8. C4 1 508 765 00 PIN CONNECTOR 5MM PITCH 3P CAPACI TOR C702 1 101 880 00 CERAMI C 5 50V 703 1 101 880 00 CERANIC ATPF BY 50V Min 1 101 880 00 CERANI C 57 50 162 116 00 CERAMIC 680PF 10 C706 136 601 11 FILM 0 OIME ju 6301 lt ACK gt J701 1 526 819 11 SOCKET PICTURE TUBE Col L 82UH 82UH 82UH 18009 ISTOR QSC3271 P 1 STOR i SISTOR 2SC3271 P ARBO 2 5 1 40 0110 3 3K 10 1 2 METAL OXIDE 15K 5 f 1707 249 418 11 CARBON 1 280 5 1 48 R708 1 249 413 1 CARBON 470 5 1 4 KV 1 3TR27 RM 781 The components identified by this manual have been carefully factory selected for each set in order to satisfy regulations regarding X ray radiation Should replacement be required replace only with the value originally used DESCRI PTI ON REMARK PART NO lt CRYSTAL gt X101 1 577 082 11 VIBRATOR CERAMIC X301 1 567 505 11 OSCILLATOR CRYSTAL EEL KE LER LEER LEER ELLER EEL GGG FG KG TR27 S corriposants identifies pa The components identified by 3 3 shading and mark are criti nt critiques pour la securite cal for safety e les remplacer que par un Replace only with part number PART NO DESCRIPTION REMARK m 1 8709 1 249 415 11 CARBON 680 5 1 4 8710 249 422 11 CARBON 2 78 5 1 4 R711 202 824 00 SOLI 3 3K 10 1 28 R7
9. JY die Press VOL or to adjust the volume Note To turn off the N Press POWER the TV or the Remote Commander again 14 ADJUSTING THE PICTURE Press SELECT repeatedly until the on screen display of the item lo be adjusted appears then press LEVEL Skin tones masam wer skin tones become become purplish ma PICTURE COLOR QR To decrease increase color Intensity amman intensity BRIGHT brightness BRIGHTNESS BRIGHTNESS AU Darker dma mem Brighter SHARP sharpness COL SHARPNESS SHARPRESS Rene Softer To adjust picture contrast Press to increase picture Eels contrast with vivid color PICTURE Press to decrease picture contrast with soft color To clear the adjustment levels and restore the factory preset levels at once press RESET 5 ENJOYING THE CONVENIENT MUTING DISPLAY RM 7t SLEEP JUMP FEATURES Muting the sound Press MUTING The MUTING indication will appear on the screen To restore the sound press MUTING again or VOL Keeping the channel displayed Press DISPLAY To make the channel display disappear press DISPLAY again Using the SLEEP timer Press SLEEP The TV will be turned off automatically after about one hour The green SLEEP indication w
10. R425 1 249 409 11 CARBON 220 5 1 4 R547 1 249 413 11 CARBON 477 52 1 48 F 8426 1 949 433 11 CARBON 22K 5 1 40 R548 1 247 696 11 CARBON 47 54 4W F The components identified by shading and mark A are criti cal for safety Replace only with part number cifi RER NO PART NO qM ol qM NEY ror Fee Fee Te mel Swot METAL OXI DE 11 METAL OXIDE 11 MET ne trame et une marque A les remplacer que par un DESCRI PTI ON Be WE 5 1 49 5 1 28 59 1 44 1 2K 54 1 49 3 3K 5 1 40 330 1 40 AL OXIDE 1 de u 180K T 100K 5 1 4 1 4U 3 3K 5 LK 5 ARRBO A 3K 5 CARBON 4 5 00 CARBON 470K 5 1 4W VARIABLE RESI STOR gt RVIOTI 238 015 11 RES ADJ CARBON 4 7K RV302 1 238 016 11 RES ADJ CARBON 10K RV303 238 019 11 RES n CARBON 47K AU 238 012 11 RES CARBON IK RV402 1 238 012 11 RES ADJ CARBON IK RV501 1 228 728 00 RES CERAMIC CARBON 100K RV502 1 238 020 11 RES ADJ CARBON LOOK RV503 1 238 014 11 RES ADJ CARBON 3 3K REHARK 1 if 1 I a z 1 ocd a a 4 1331 045 A BOARD COMPLETE 4 374 912 01 COVER MAIN CV VOL 4 374 913 01 COVER REAR LID CV VOL CONNECTOR C1 1 506 371 00 PIN CONNECTOR 2P C2 1 508 786 00 PIN CON VECTOR CS PITCH 2P 1 564 509 11 PLUG CONNE
11. _ ASSY 4 308 870 00 CLIP LEAD WIRE 1 452 032 00 MAGNET DISK 10MM i 452 094 00 MAGNET ROTATABLE DISK qn 30 X 4308 815 0 PERMALLOY ASSY CONVERGENCE 157 711200 704 495 0 3 SECTION 8 ELECTRICAL PARTS LIST n Items marked are not stocked since they are seldom required for When indicating parts by refer shading and mark are criti routine service Some delay should be ence number please include cal for safety anticipated when ordering these items the board name R th b xd lo D All variable and adjustable resistors ee E MMH mH UH H have characteristic curve B unless otherwise noted e The components identified by this manual have been carefully factory selected for each setin nesrame etune marque RESI STORS order to satisfy regulations regarding X ray radiation ont critiques pour la securite 1 resistors are in ohms Should replacement be required replace only with Ne les remplacer que par une F nonflammable the value originally used portant le numero specifie REF NO PART NO DESCRI PTI ON REMARK REF NG PART DESCRI PTI ON REMARK 1296 663 A BOARD COMPLETE 247 1 124 360 00 ELECT 1000 20 161 2 1 102 112 00 CERAMIC 330PF 10 509 C250 124 927 11 ELECT 4 TMF 20 50V 1 305 166 00 PIN CONNECTOR m pitch 4P C251 1 162 117 00 CERAMIC 100PF 10 500V 531 576 31 RIVET
12. be performed by altering the resistance value of R 568 a component marked with 6 4 Confirmation of hold down errorneous operation 1 Turn the POWER switch ON and receive dot signals and set the PICTURE and BRIGHTNESS controls to minimum 2 Confirm that the hold down circuit does not operate by turning the POWER switch ON and OFF repeatedly several times NOTE If the hold down circuit starts operating in the above case switch OFF the POWER of the set immediately 3 Turn the POWER switch ON and receive dot signals and entirely white signals and set the PICTURE and BRIGHTNESS controls to maxi mum KV 13TR27 RM 781 4 Confirm that the hold down circuit does not operate by performing switchover of the channels of the dot signals and entirely white signals several times NOTE If the hold down circuit starts operating in the above case switch OFF the POWER of the set immediately 5 If the above mentioned steps 1 to 4 are not satisfied reconfirm steps 2 to 4 by altering the R568 smaller resistance value a component marked with Use a digital multimeter who amp input impedance is over 100M 2 when confirming the voltage of TP85 B VOLTAGE CONFIRMATION The following adjustments should always be perform ed when replacing IC601 1 Supply 130 2 V AC to with variable auto trans former 2 Receive Monoscope signals 3 Set the PICTURE and BRIGHTNESS controls in to Initial Reset 4 Confirm the vo
13. other two BKG controls for best white balance neutral gray of the faint cross hatch 6 Set BRIGHTNESS and PICTURE controls to maximum Observe the screen and adjust the DRIVE controls for best white balance 7 Repeat Steps 1 through 6 several times Permalloy KV 13TR27 RM 781 SECTION 4 SAFETY RELATED ADJUSTMENT 24 R568 CONFIRMATION METHOD HOLD DOWN CONFIRMATION AND READJUSTMENTS When replacing the following components marked with 4 on the schematic diagram always perform the adjustment as follows 1C301 D502 C514 C517 C518 C525 C530 C561 R512 R521 R522 R555 R556 R567 R568 T503 DY 1 Preparation before confirmation 1 Tum the POWER switch ON and receive entire ly dot signals and set the PICTURE and BRIGHT NESS controls to minimum 2 Confirm that voltage of T85 is more than 25 0 2 5 DC when set is operating normally with 120 V AC supply 2 Hold down operation confirmation 1 Tum the POWER switch ON and receive entire ly dot signals and set the PICTURE and BRIGHT NESS controls to minimum 2 Apply DC voltage to the check terminal of TP85 via 1T40 from the DC stabilized power source Confirm that the minimum voltage is less than 30 7V whereby the raster disappears during of hold down circuit NOTE when the hold down circuit starts operating switch OFF the POWER of the set im mediately 3 Hold down readjustment When step 2 is not satisfied readjustment should
14. pa Wr te ROLA 1 249 421 CARBO 2 2K 5 1 48 lt COIL gt 8015 1 249 421 CARBON 2 2K 5 1 4W 128016 1 74 41 CARBON 2 2K 5 1 48 249 421 11 CARBO 2 2K 5 1 49 249 416 CARBO 820 5 1 48 249 429 CARBO 10K 5 1 48 249 4291 1 CARBO 10k 5 1 49 1 249 434 CARBO QUK 59 1 48 244 01 CARBO 2 2K 5 1 40 1 249 421 2 2K 54 1 48 249 421 CARBON 2 2K 5 1 48 249 405 CARBON 100 5 1 48 249 405 CARBO 100 5 1 48 249 429 CARBO 10K 5 1 4 249 417 11 IK 1 9 1 249 417 CARBO IK 52 1 4 249 4 CARBO Ik 5 1 9 49 431 11 CARBO IK 5 1 4 249 413 11 CARBO 470 52 1 48 15 924 METAL OXIDE 15K 5 F 249 417 11 CARBON 55 249 417 11 CARBON 1K 5 1 49 R 149 433 1 CARBON 22K 57 1 4 209 8 729 119 76 TRANS STOR 2SA1175 HRE R122 1 249 433 11 CARBON 22K 5 1 49 110 8 129 119 78 TRANSISTOR 25C2785 HFE R123 1 249 433 11 CARBON 22K 54 1 4 yH 8 729 119 76 TRANSISTOR 2SA1175 HFE 113 8 729 119 78__ TRANSISTOR 2SC2785 HFE 24 249 425 11 CARBON 4 78 55 1 4 0114 8 729 119 78 TRANSISTOR 2SC2785 HFE 8125 1 249 417 11 CARBON IK 57 1 9 126 1294321 CARBON 22k 5 1 40 0115 8 729 119 78 _ TRANSISTOR 2SC2785 HFE i RI27 249 429 11 CARBON 10K 5 1 40 0116 8 729 119 78 TRANSISTOR 25 2785 1 128 1 249 411 11 CARBON 330 5 1 4 0118 8 729 119 78 TRANSISTOR 25 2785 0120 8 129 119 78 TRANSISTOR 2SC2785 HFE X 8129 249 411 CARBON 330 54 1 4 Q12 8 129 119 78 TRANSISTOR 2SC2785 HFE R136 1 240
15. 04941111 CARBO 330 5 1 9 R503 EA 405 11 CARBON 100 2 1 41 R311 1 249 417 11 CARBO IK 5 1 4 R504 194941441 CARBON 560 1 40 8312 1 249 499 1 CARBON 10K 5 1 48 R505 Ei 472 00 METAL 130K 2 1 40 8506 1 249 405 11 CARBON 1005 1 48 R315 1 949 417 11 CARBON IK 5 1 4W R507 1 249 431 11 CARBON 15K 5 1 4 1316 1 249 417 11 CARBON IK 579 1 40 317 1 249 417 1 1 CARBO IK 5 1 40 R508 1 249 433 11 CARBON 22K 53 1 44 R318 1 949 417 11 CARBO IR 5 1 R509 1 249 434 11 CARBON 2T 5 AU 1319 1249 41711 CARBO 57 1 40 R510 1 249 492 11 CARBON 2 75 h 1 40 R512 1 249 411 11 CARBON 3105 1 40 R320 194941741 CARBO IK 52 1 4 1513 1 215 472 00 METAL 130K 1 1 R323 1 249 427 11 CARBO 6 80 5 1 4 R324 19494151 CARBO 680 5 1 40 R514 1 215 457 00 METAL 33K 1 1 40 R325 1 949 405 11 CARBO 100 5 1 4 R515 1 249 427 11 CARBON 6 8K 52 1 40 R326 1 249 405 11 CARBO 100 52 1 48 R516 1 249 428 11 CARBON 8 2K 54 1 40 R517 1 249 417 11 CARBON ik 59 1 4 331 1 249 424 t CARBON 3 9K 5 1 40 R518 1249 4951 1 CARBON 4 7 5 1 40 F R34 1 949 417 11 CARBON 57 1 40 R342 1 249 491 11 CARBON 2 2K 5 1 48 1519 1 249 405 ul CARBON 100 5 144 8366 1 249 430 11 CARBON 12k 52 1 48 520 1 247 903 00 CARBON IM 52 1 9 1 249 436 I 1 CARBON 39K 52 1 E 1 249 08 00 CARBON 1 5 5 180 R522 1 215 445 00 METAL J0 19 UN R401 19494051 CARBON 100 5 1 48 R523 12494251 1 CARBON IR 5 i 40 F R402 1949 1941 CARBON 390 57 R403 1 249 441 I 1 CARBON 100K 5 1 4 R524 1 21
16. 1 102 108 00 CERAMI C 150PF 10 501 C420 1 102 106 00 CERAMIC 100PF 10 50v C109 124 927 11 ELECT 4 20 50V C421 1 102 934 00 CERAMIC 1PF 0 25 50V C110 124 927 11 ELECT 4 TMR 20 50V C422 124 903 11 ELECT IMF 20 50V C423 1 124 903 11 ELECT IMF 20 50V C115 1 102 074 00 CERAMIC 0 001 1 50V 117 1 124 472 11 ELECT 47 0MF 20 10V C424 1 124 903 11 ELECT IMF 20 50V C118 1 136 153 00 FILM 0 01MF 5 5ov 45 1 136 162 00 0 056 5 50V C119 1 101 888 00 CERAMIC 68PF 5 50V C430 1 126 101 11 ELECT 100MF 20 16 120 1 106 383 00 MYLAR 0 047 200V C431 1 124 907 11 ELECT 10MF 204 507 045 1 136 157 00 FILM 0 022MF 54 50V C121 1 124 477 11 ELECT 47 MF 20 16V 122 1 124 907 11 ELECT 20 501 C451 1 162 599 12 CERAMIC 0 0047MF 20 4001 126 1 124 902 00 ELECT 0 47 20 50 C400 1 102 114 00 CERAMIC 10 507 132 1 102 944 00 CERAMIC 1 509 C501 Eng ELECT 100MF 20 16V 133 1 101 880 00 CERAMIC 47PF 5 50V C502 130 481 00 MYLAR 0 0068MF 5 50V C503 1 124 903 11 ELECT MF 20 50V C135 1 102 074 00 CERAMIC 0 001MF 10 501 136 124 903 11 ELECT 20 50V C504 1 102 106 00 CERAMI C 100PF 10 50V 137 1 124 903 11 ELECT 1 20 50V C505 1 130 481 00 NYLAR 0 0068 5 50V 139 1 124 477 11 ELECT 47 MF 20 16 C507 1 102 114 00 CERAMIC 470 10 50V 140 1 102 121 00 CERAMIC 0 0022MF 10 50 C508 1 101 006 00 CERAMI C 0 047MF 50V C509 1 101 006
17. 12 1 215 899 11 METAL OXIDE 15K 5 2g f R713 1 249 418 11 CARBON 1 2 5 1 4W R714 1 249 413 11 CARBON 470 5 1 40 R715 1 249 415 11 CARBON 680 59 1 44 R716 249 422 11 CARBON 2 7K 5 1 48 R717 202 824 00 SOLID 3 3K 10 1 2U R718 1 215 899 11 METAL OXIDE 15K 5 28 moe LP JE Va 1 216 349 00 METAL OXIDE 1 55 qw fF R722 1 202 848 00 SOLID 680K 10 1 2U R723 202 838 00 SOLID 1008 10 1 28 VARIABLE 515704 0 CERAMIC CARBON 4 72 D CERAM C CARBON 3 3K D CERAM C CARBON D CERAM C CARBON 3 3K D CERAM C CARBON D METAL GLAZE 2 2M D METAL GLAZE 2 D skr A te e FOREX D FEL EE eer SCELLANEOUS txxtxtfix fti ik 1 452 032 00 MAGNET DISK 10MM 1 452 094 00 MAGNET ROTATABLE DISK 15MM 1 452 277 00 MAGNET BMC TERMINAL ASSY ACCESSORIES AND PACKING MATERIALS X tfXkfirt krrifrfrriBbrkbr f ibi PART NO DESCRI PTI ON REMARK 82 1 1 CONVERTER EAC 25 CND ONLY m ANT TELESCOPI ENNA C CONNECTOR ANTENNA 5 ONLY 191 225 ANUAL 3 751 225 31 MANUAL IN 4 337 201 02 BAG PRO x4 393 161 01 CUSHION UPPER x4 393 162 01 CUSHI ON LOWER x4 393 167 01 NDI VI DUAL CARTON CND ONLY i ASSY REMOTE COMMANDER 8 English Sony Corporation 92CE0247 1 Printed in Japan 9 964 804 01 TV Group 019923 34
18. 175 i 11 CARBO 1006 5 1 4 4 341 752 01 EYELET 0502 249 4d1 11 CARBO 100K 5 1 40 R180 1 249 CARBON 5 6K 52 1 4 561 8 729 200 17 TRANSISTOR 2SA1091 0 1 249 415 11 CARBON 680 5 1 40 0562 8702 19 74 TRANSISTOR 2SC2785 HFE 0105 1 249 429 11 CARBO 10K 52 1 49 0601 8 129 209 03 TRANSISTOR 2SC255i Ro D186 1 249 425 1 CARBON 4 75 5 1 49 R187 1 249 413 11 CARBON 470 5 1 40 RESI STOR gt Hm 249 41 CARBON 5 1 4 190 1 249 422 11 CARBON 2 7K 52 1 40 ROO 1 249 421 11 CARBON 2 2k 59 1 49 191 249 417 CARBON 52 1 48 0002 1 249 413 11 CARBON 470 5 1 44 R004 249 413 11 CARBON 470 af 1 44 R192 1 249 417 1 IK 57 1 48 hous 1 249 413 11 CARBON 410 5 1 4 R193 20 01 11 CARBON 2 24 5 1 40 R008 1 249 425 11 CARBON 4 7K 5 1 48 249 429 CARBON 10K 5 1 48 RM 781 es composants identifies pa components identified by shading and mark are criti ont critiques pour la securite cal for safety e les remplacer que par un Replace only with part numbei portant le numero specifi NG PART NO DESCRIPTION REMARK PART NO DESCRIPTION REMARK qoum ee i 1 8195 1 249 429 11 CARBON 10k 5 1 49 R427 1 247 883 00 CARBON 150K 5 1 48 2201 1 249 417 I 1 CARBON 57 0 4 09 1 949 417 11 CARBON IK 59 1 48 R428 1 249 435 11 CARBON 33K 5
19. 417 11 CARBON 59 1 40 R139 1 240 417 11 CARBON IK 579 1 40 0122 8 729 119 78 TRANSISTOR 25 2785 R140 1 240 417 11 CARBON 1K Zo IA 0241 6 729 920 02 TRANSISTOR 2SD2096 EF R142 1 240 429 CARBON 10k 5 1 40 0250 8 729 924 83 TRANSISTOR 2SD1812 Q 0251 8 129 924 00 TRANSISTOR 2SB1212 P R143 1 249 429 CARBO 10K 59 1 40 0252 8 129 924 82 TRANSISTOR 25D1812 P R146 1 240 417 CARBO 59 1 40 RMg 249 425 CARBO 4 7k 5 1 40 0301 8 729 119 78 TRANSISTOR 25C2785 HFE 6149 1049101 CARBO 10K 5 1 40 0401 8 729 119 78 TRANSISTOR 2562785 RISO 1 249 437 11 CARBO 47K 5 1 40 Q402 8 129 119 78 TRANSISTOR 2SC2785 HFE 0403 8 729 119 76 TRANSISTOR 25 1175 15 1 249 429 11 CARBO 10K 5 1 40 444058151978 TRANSISTOR 25C2785 HFE 152 1 249 437 11 CARBO ATK 52 1 40 153 249 429 11 CARBON 10K 57 1 40 0405 8 729 119 76 TRANSISTOR 2SAII75 HRE 154 247 895 CARBON ATOR 5 1 4 0407 8 729 119 76 TRANSISTOR 2941175 15 249 139 CARBO 68K 54 1 48 0408 8 729 119 78 TRANSISTOR 29C2785 HFE 0409 8 729 119 78 TRANSISTOR 2SC2785 HRE 156 1249 0511 CARBO 10K 5 1 40 0410 8 729 119 76 TRANSISTOR 2541175 1158 1 711 4 CARBON ATOK 5 1 40 CARBON 68K 52 1 4 0411 8 729 110 78 TRANSI STOR2SC2785 HFE R160 CARBO 47K 59 1 49 0460 729 119 78 TRANSI 61042362783 ARE 1 249 429 11 10K 59 1 48 050 8 720 140 50 TRANSISTOR 0502 8 728 231 95 TRANSI STO SAO 1
20. 45 8 719 110 33 DIODE RD12ES B3 62 114 00 CERAMIC 0 0047MF 2KV 0251 a 719 911 19 DIODE 1585119 T 154 93 7 11 ELECT 4 20 50V 1 D301 8 719 911 19 DTODE 138112 931 1 124 122 11 ELECT 100 204 50V D317 S 719 911 19 DIODE 15511 102 112 00 CERAMIC 330PF 10 50V C534 1 162 117 00 CERAMIC 100PF 104 500 D401 8 719 300 33 DIODE RU 3AM D402 8 719 911 19 DIODE 155119 C535 I 106 367 00 0 01 0403 8 719 911 19 DIODE 1551 18 0 405 8 719 110 33 DIODE 01245 83 0408 8 719 110 14 DIODE RD9 185 83 0901 8 719 911 55 DIODE D50 p 9 109 89 DIODE ape S CES 82 D504 8 719 911 55 DIODE D505 8 719 911 55 DIODE 8056 0508 8 719 300 33 DIODE RU 3AM D511 4 8 719 961 03 DIODE RGP10G 0512 t 719 901 224 DIODE 925 513 8 719 976 64 DIODE RGPO2 17 2514 35 DIODE RGPIOGC Ix D561 E 719 911 19 DIODE 158119 014 9602 5 260 C557 1 124 925 11 ELECT 604 At C558 1 124 925 11 ELECT 2 561 1 124 925 11 ELECT C562 1 126 101 11 ELECT 155119 607 8 719 304 63 DIODE RMI1C C570 1 124 903 11 ELECT D608 B 719 304 63 DIODE RMIIC 6571 1 124 903 11 ELECT 0609 8 719 911 55 DIODE 1056 E Libani ELECT 24 903 11 ELECT 8745 52 lt FUSE gt 5 182 00 ELECT 330MF 20 1 12 25601 8 1 5 30 748 11 FUSE GERS 1 161 830 00 CERAMIC 0 0047KF 1 533 223 11 CLIP FUSE Fool 604 1 161 830 00 CERAMIC 0 00478 5000 F602 A 1532 GLAS S TUBE 605 I 023 9
21. 48 00 ELECT 22MF 20 2507 1 533 223 11 CLIP FUSE 1602 C606 1 126 101 11 ELECT 100MF 204 167 C607 1 124 472 11 ELECT 4TOMF 204 10 qo 616 _ 1 124 046 00 ELECT 10MF 20 160V 617 1 124 046 00 ELECT 20 1601 1 10101 8 759 636 45 IC 34302 8 5145 1 ICI02 8 759 748 69 IC CAT59C LHP 103 8 Mu IC KEY COOSV F NETWORK 1 160104 8 759 104 05 IC UPD6325C ICI05 8 755 924 12 IC LM7805CT Cu 1 236 300 11 NETWORK ee EN Bu i THICK FILM a 8 759 929 62 C LM7812CT 236 301 11 NETWOR 201 T eps 1 29623 1 11 5 CP107 1 236 730 11 NETWORK 104024 8 7 6 070 IC403 8 759 000 KCI CP108 1 236 479 11 NETWORK CP109 1 236 524 11 NETWORK C 10501 8 759 994 51 16 2131 2117 1 236 078 11 NETWORK RES THICK FILM LOGO TA 8 74 4 341 752 01 DIODE BLOCK gt 0101 8 719 123 25 DIOM 03325 43 0103 1 808 919 11 LED T 1800 9 IF201 1 464 756 21 IF BLOCK IFF 4504 30 he components identified b hading and mark are crit al for safety eplace onlywith part numb pecified 5 composants identifies ne trame et une marque les remplacer que par un portant le numero specifie KV 13TR27 RM 781 NO PART NO DESCRI PTI ON REMARK REF NO PART NO DESCRI PTI ON REMARK icri ca zal c ey pp 1 ee ee et
22. 6 353 00 M OXID 2404 1 249 441 I 1 CARBON 100K 5 1 8 28525 215 920551 MET IDE Ke R405 1249440400 CARBON 82 5 R526 1 24 47K 554 R527 1 249 131 ir CARBON 15K 5 1 40 R406 1 249 419 11 CARBON 1 58 54 1 48 R529 1 249 423 11 CARBON 3 4 5 R407 1 249 405 11 CARBON 100 5 1 0 R409 1 249 495 11 CARBON 4 7K 5 1 40 R530 1 214 917 00 METAL 150K 1 1 28 R410 1 249 407 11 CARBON 150 5 1 40 R53 1 247 887 00 CARBON 320K 5 1 48 411 1 216 498 00 METAL OXIDE 1805 19 F R532 12494381 1 CARBON 56 5 1 49 1 R534 1 216 454 11 METAL OXIDE 390 5 2W 8413 19494821 1 CARBON 18K 54 1 40 R535 1 216 452 11 METAL OXIDE 180 5 28 F 1414 1 249 429 11 CARBON 10K 5 1 40 R415 1 249 417 11 CARBON IK 52 1 4U R536 1 216 452 11 METAL OXIDE 180 55 W F 8416 1 247 883 00 CARBON 150K 5 1 0 R537 1 249 421 11 CARBON 5 1 49 F R417 1 247 883 00 CARBON 150K 57 1 40 R538 I 216 427 00 METAL OXIDE T3 R539 1 247 706 11 CARBON 330 5 1 48 1419 1 249 417 11 CARBON 579 1 40 R540 1 249 429 11 CARBON 10K 5 1 48 A419 249 421 11 CARBON 2 28 52 1 4 R420 1949499311 CARBON 22K 52 1 43 8541 1 249 434 11 CARBON 27K 52 1 40 R421 1 249 406 11 CARBON 120 5 1 4 R542 1 249 431 11 ED i 15K 54 1 40 499 1 949 419 11 CARBON 1 50 5 1 40 R543 1 216 354 11 METAL OXIDE 2 754 10 F 542 1 249 416 11 CARBON 820 5 1 4 R423 1 249 405 11 CARBON 100 5 1 4 R545 1 249 425 1 CARBON 5 1 40 R424 124941711 CARBON iK 59 1 40
23. A material fitting called as shatter hook terminal is built in the rubber turn the foot of rubber over hardly The shatter hook terminal will stick out or hurt the rubber KV 13TR27 RM 781 SECTION 3 SET UP ADJUSTMENTS The following abjustments should be made when a complete realignment is required or a new picture tube is installed These abjustments should be performed with rated power supply voltage unless otherwise noted Controls and switch should be set as follows unless otherwise noted PICTURE control MAXIMUM BRIGHTNESS control MAXIMUM 3 1 BEAM LANDING Preparation gt oe o 10 Feed in the white pattern Before starting degauss the entire screen Loosen deflection yoke screw Adjust purity control as shown in Fig 3 1 Slide deflection yoke as far forward as it will go Turn the raster signal of the pattern generator to red Adjust purity control to center vertical red band as shown in Fig 3 2 Slide deflection yoke back for a uniform red screen Check green and blue rasters for uniformity by performing the same way as steps 4 5 and 6 Tighten the deflection yoke screw Check if mislanding appears at corners a d as shown in Fig 3 3 If mislandig is observed correct it as shown in Fig 3 3 Confirm that beam landing is correct when the receiver is faced in all directions Perform the adjustments in order as follows 1 Bea
24. FF REPEAT again so that the TIMER lamp goes out It necessary to summon TIMER page to use the OFF REPEAT button Furthermore this button is effective the TV has been turned off To clear the TIMER setting summon TIMER page and press CLEAR To reset clear the setting and follow the steps from step 3 KV 13TR27 RM 781 SECTION 2 DISASSEMBLY 2 SERVICE POSITION A BOARD Pull out and turn up the A board in the direction shown by the arrow 10 KV 13TRZ27 RM 781 2 2 PICTURE TUBE REMOVAL Note Follow the disassembly procedure in the numerical order given COIL DEMAGNETIZATION gt BOARD 2 8 DEFLECTION YOKE 2 SPEAKER HOLDER SPEAKER 8 TWO SCREWS lt D ANODE 2 BOARD 7 TWO SCREWS PICTURE TUBE CUSHION REMOVAL OF ANODE CAP REMOVING PROCEDURES M Anode button Turn up one side of the rubber cap in Using a thumb pull up the rubber When one side of the rubber cap is the direction indicated by the arrow 6 firmly in the direction indicated by the separated from the anode button the arrow b snode cap can be removed by turning up the rubber cap and pulling up it in the direction of the arrow HOW TO HANDLE AN ANODE CAP Don t hurt the surface of anode caps with sharp shaped material Don t press the rubber hardly not to hurt inside of anode caps
25. KV 13TR21 RM 781 SERVICE MANUAL US Model Chassis No SCC D37L A Canadian Model Chassis No SCC D36H A 3 CHASSIS MODELS OF THE SAME SERIES KV 13TR24X KV 13TR14 13TR24 SPECIFICATIONS Television system American TV standards Speaker Impedance 80 Channel coverage VHF 2 13 Speaker Wattage Approx 2W UHF 14 69 Dimensions Approx 356X 331 X 407 mm w h d Cable TV 1 125 Weight Approx 10 5kg Picture tube Mirror black Trinitron tube 13 inch picture measured diagonally 14 inch picture tube measured diagonally Input VIDEO IN phono jack 1Vp p 75 unbalanced sync negative AUDIO IN phono jack 408mVrms 1005 modulation impedance 47k ohms Power requirements 120V AC 60Hz Power consumption 97W Max 3W STAND BY Accessories supplied Designs and specifications are subject to change without notice Remote Commander RM 781 with 2 size AA R6 batteries VHF UHF telescopic dipole antenna 1 Antenna connector 1 Optional accessories U V mixer EAC 66 Connecting cord VMC 606M 607M etc Speaker size Timm X 1 TRINITRON COLORTV m SONY Section KV 13TR27 RM 781 TABLE OF CONTENTS Title Page GENERAL 1 1 Location of Controls m 1 2 Presetting TV Channels 5 1 3 Watching TV Programs 6 Adjusting the Picture venen G 1 5 Enjoying the Convenient Features 6 7 L6 Timer Blocks eene DISASSEMBLY 2 1 Service Position 10 2 2
26. ND RB NONFLAMMABLE CEMENT COIL LF 8L MICRO INDUCTOR CAPACITOR TA TANTALUM PS STYROL PP POLYPROPYLENE Note MYLAR All capacitors are in F unless otherwise noted pF y y F MPS METALIZED POLYESTER 50WV or less are not indicated except for electrolytics MPP METALIZED POLYPROPYLENE All resistors in ohms ALB BIPOLAR A internal component ALT HIGH TEMPERATURE AF nonflammable resistor ALR HIGH RIPPLE A fusible resistor panel designation adjustment for repair Indication of resistance which dose not have one for rating electrical power is as follows Note The components identified by shading and mark A are critical for safety Replace only with number specified Pitch 5mm Rating electrical powe All variable end adjustable resistors have characteristic curve B unless otherwise noted Note Les composants identifies par une trame et par une marque A sont d une importance critique pour la s curit Ne les remplacer The components identified by in this basic schematic diagram have been carefully factory selected for each set in order to satisfy regulations regarding X ray radiation Should replacement be reauired replace only with the value originally used When replacing components identified by the necessary adjustments indicated If results do not meet the specified value change the component identi
27. NTIFIES PAR UNE TRAME ET PAR UNE MARQUE ASUR LEs SCHEMAS DE PRINCIPE LES VUES EXPLOS ES ET LES LISTES DE PIECES SONT D UNE IMPORTANCE CRITIQUE POUR LA S CURIT DU FONCTIONNEMENT NE LES REM PLACER QUE PAR DES COMPOSANTS SONY DONT LE NUM RO DE PIECE EST INDIQU DANS LE PR SENT MANUEL OU DANS DES SUPPLEMENTS PUBLIES PAR SONY LES R GLAGES DE CIRCUIT DONT L IMPOR TANCE EST CRITIQUE POUR LA S CURIT DU FONCTIONNEMENT SONT IDENTIFIES DANS LE PR SENT MANUEL SUIVRE CES PROC DURES LORS DE CHAOUE REMPLACEMENT DE COMPOSANTS CRITIQUES OU LORSQU UN MAUVAIS FONCTIONNE MENT EST SUSPECTE 2 19 20 23 27 KV 13TR27 RM 781 SAFETY CHECK OUT US Model only After correcting the original service problem perform the following safety checks before releasing the set to the customer 1 Check the area of your repair for unsoldered or poorly soldered connections Check the entire board surface for solder splashes and bridges 2 Check the interboard wiring to ensure that no wires are pinched or contact high wattage resistors 3 Check that all control knobs shields covers ground straps and mounting hardware have been replaced Be absolutely certain that you have replaced all the insulators 4 for unauthorized replacement parts par ticularly transistors that were installed during a previous repair Point them out to the customer and recommend their replacement 5 Look for parts whic
28. R T B 82 Th RM 781 bI gt before AMPM E clock _ Indication TIMER page disappears 1 indications in red settings will be erased from the unit s memory if the unit is unplugged or if a power failure occurs The TIMER and BLOCK will operate nnly if the clock is set correctly If the TIMER and BLOCK are set for overlapping times onthe same channel the blocked channel wilt appear on the screen at the time set the TIMER How to the Internal Clock Example To set the clock to 8 05 PM Press TIMER BLOCK once to change from normal page 1 to clock page TIMEWBLOCK Press 0 8 0 5 AM PM 0 necessary c cd co dc 1 If you have performed the operation correctly press ENTER The numbers will wink to indicate that the clock has been set The 0 In front will disappear ENTER If you have made a mistake press CLEAR and return to step 2 indication will disappear after 2 seconds To summon TIMER page press TIMER BLOCK before the AM PM indication disappears To return to normal page press TIMER BLOCK after the AM PM indication has disappeared To reset the clock summon clock page and Press CLEAR before the AM PM indication disappears Then follow the steps above from step 2 12 00 AM stands for midnight 12 00 PM stands for noon
29. TTER 818 ANODE B 2803311 A QRS LETTER B E c 2SD2089 LBSONY LP oO 2502096 IN RGP02 17 ANODE RM11C CATHDDE ANODE RU 3AM lt O ANODE CATHODE ANODE TVR4J ANODE SECTION 7 EXPLODED VIEW NOTE item with no part number and no des cription are not stocked because they hadi ngandmark are e trame et une marque seldom required for routine service al for safety ntcritiques pourla securite The construction parts of an assembled eplace only with part numb jes Temlacetque parun part are indicated with a collation ae number in the remark column pecified portant le numero specifi tems marked X are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items BVTP3x12 7 685 648 79 MS BVTP4x16 7 68566379 REF NO PART NO DESCRIPTION REMARK IRER NO PART DESCRIPTION REMARK SS 1 X 4030 231 1 CABINET SUB ASSY MTH BEZEL SUB ASSY 2i 18 A 1331 0458 C BOARD COMPLETE 2 4 029 195 01 BOSS A ADHESIVE 19 4 371 913 01 COVER REAR LID CV VOL 3 4 393 158 02 PANEL ORNAMENTAL 26 z COTL GNETIZATION 4 4 393 151 02 PLATE LIGHT GUIDE 1 COVER REAR 4 30 0510 40 6 SONY 0 CLAMP CORD 6 1 103 152 01 BOARD COMPLETE
30. e Connect the fre uency counter across DY 1 connector V DY ground Adjust RV502 for 55 0 0 3Hz on the frequency counter Disconnect a jumper wire from IC301 PICTURE MAX D 1 connector BRT CENTER COLOR MIN 2 Connect circuit between Base of Q354 and 9 3V V CHECK lne with a jumper wire point 3 Draw A 8 C 3 connector C Board H 4 Connect an oscilloscope to the pin of 8 connector blue out 5 Adjust RV303 SUB CONT so that voltage is H 2 1 3 0 05Vp p 21 005 white H CENT ADJUSTMENT A 13 1 2 3 wre m Recive cross hatch signal Set PICTURE and BRT to normal Adjust H CENT H CENT TAP A 13 for best picture Receive a cross hatch signal Set PICTURE and BRT to normal Adjust V CENT 5501 for best picture KV 13TR27 RM 781 KV 13TR27 RM 781 SECTION 6 DIAGRAMS 6 1 CIRCUIT BOARD LOCATION Voltages are dc with respect to ground unless otherwise noted All voltages are in V Reading are taken with a color bar signal input Reading are taken with a NTSC 358 color bar signal input Voltage variations may be noted due to normal produc tion tolerances B bus wa B bus signal path Voltage in audio circuit are measured receving the FM broadcast Reference information RESISTOR RN METAL FILM RC SOLID FPRD NONFLAMMABLE CARBON FUSE NONFLAMMABLE FUSIBLE RS NONFLAMMABLE WIREWOU
31. eset Only the Desired Channel or to Erase Unnecessary Channels Press POWER on the TV or the Remote Commander to turn the N on Press the channel number button s and then ENTER to select the channel to be added or erased 1 2 3 LC c3 c3 4 5 6 7 8 9 0 aes To add channels Press ADD Press CABLE so that the appropriate mode appears C3 CABLE TV VIDEO Remote control detector To preset VHF or UHF To preset cable TV channels channels Press AUTO PGM AUTO PGM appears for moment This channel has now bee added to the channel scan memory To erase channels Press ERASE AUTO PROGRAM displayed on the screen and receivable channels other than the channels already preset will be preset 1 numerical Sequence The channels previously preset reman the unit s memory When no more channels can be found the programming stops anc the lowest numbered channel 5 displayed A appears for a moment This channel has now bee erased from the channel scan memory The next time the CH button is pressed this channel will be skipped RM 781 Repeat steps 1 and 2 for other channels to be added or erased When a VHF or UHF channel is erased Cable TV channel chart Pecevable channels of thus TV are To check Preset channels The cable TV channel with the same number is also erased and Cable TV systems use letters
32. fied by and repeat the adjustment until the specified value is achieved Refer to R381 adjustment on Page 15 16 When replacing the part in below table be sure to per form the related adjustment Part replaced 4 Adjustment C514 C517 C518 6525 C530 C561 0502 301 R512 R521 R522 R555 R556 R567 R568 T503 FBT DY R568 HOLD DOWN 19 RM 731 RM 781 RM 781 KV 13TR27 E E KV 13TR27 KV 13TR27 TUNER VIF SIF PLL CONTROLLER MEMORY COMB FILTER CHROMA JUNGL D A CONVERTER H V OUT HV PROTECT C POWER SUPPLY CUSTOMER CONTROL R G OUT 6 2 PRINTED WIRING BOARD k Board 7 O0 c O NU www i i 7r 00 cJ Pan d qd m om m m 6 m m 4 6 m c m m 9 0 0 ana DNA ARANDA o9 1 yes ES raa as a dr 2 rrrorr EE Eo t 004 Ep Eg Eg bt bd I pA 1 VARIABLE RESISTOR 159533723 4 4 5 3 2 2 1 2 1 5 4 1 5 6 6 6 2 6 6 2 5 5 1 2 2 2 UCURS T 00 0 LI MET NE DEAL o E 2 C OR BC 558 8559 517 7 FE esie HO r Po Pur 3 EE s a 1 614 781 24 or GG 12 AxE ON Pid 1122 BERR
33. g FBT 7504 be sure to check the HOLD DOWN check point voltage value Refer to the Safety Adjustment Section of the Service Manual AST E 431 BY SV When taking a broken fuse F602 off discharge across C802 1530 TRA of fon mn Ht six to avoid shock hazard 1 24 oe C519 R528 pisa 7 E WE 160v 2317 STB1 5V 2 e 8 ND CAUTION 5 as 12861 IE E This set is equipped with a polarized ac power cord plug ono E Cy THARAMAL COMP eee mM blade of the plug is wider than the other When replacing the 9799 AT ac power cord be sure to connect it with specified part number 5258 0562 eR Mh in this di Tov 0 1 2 5 2785 5 8 efector as shown in this diagram PROT SWITCH gt 1 T s Too lee 0 1 i3 OO O O O O CAUTION When replacing 601 be sure to check the test point voltage value TP91 Refer to the Safety Adjustment Section ES TP99 j R 5V REG I ST BY SV i 1 190 24 25 26 6 4 SEMICONDUCTORS 5512 2131 KEY COOSV F 8 LM7805CT LM7812CT MSF78MOSL MC14066BCP VIEW M34302M8 51 4SP STR D3035 25 1175 25 2785 25 32091 25 3271 9 CATHORE LE
34. h though functioning show obvious signs of deterioration Point them out to the customer and recommend their replace ment 6 Check the line cord for cracks and abrasion Recommend the replacement of any such line cord to the customer 7 Check the condition of the monopole antenna if any Make sure the end is not broken off and has the plastic cap on it Point out the danger of impalement on a broken antenna to the customer and recommend the antenna s replacement 8 Check the B and HV to see they are at the values specified Make sure your instruments are accurate be suspicious of your HV meter if sets always have low HV 9 Check the antenna terminals metal trim metallized knobs screws and all other exposed metal parts for AC leakage Check leakage as described below To Exposed Me tat Parts on Set AC voltmeter 10 75 VI Parth Ground Using an AC voltmeter to check AC leakage LEAKAGE TEST The AC leakage from any exposed metal part to earth ground and from all exposed metal parts to any exposed metal part having a return to chassis must not exceed 0 5 mA 500 microampers Leakage current can be measured by any one of three methods l A commercial leakage tester such as the Simpson 229 or RCA WT 540A Follow the manufacturers instructions to use these instru ments 2 A battery operated AC milliammeter The Data Precision 245 digital multimeter is suitable for thi
35. ill appear on the screen for a few seconds when SLEEP 1 pressed and the red SLEEP indication will appear one minute before the TV is turned off To cancel the SLEEP timer press SLEEP again or turn off the TV The SLEEP OFF indication will appear when SLEEP is pressed again Switching quickly between two channels Press JUMP Each time JUMP 1 pressed the channel which appeared on the screen directly before js recalled This button enables you to keep track of two programs alternately l 6 TIMER BLOCK Once the internalclock is set the current time will appear on the screen It necessary to set the clock correctly to activate the program stan TIMER and channel Internal clock BLOCK Program start TIMER a program of appear on the screen automatically at the desired time Channel BLOCK Blocks a channel from appearing on the screen for 12 hours Use channel BLOCK to preyent children from watching undesirable programs The buttons used for the above functions are located on the Remote Commander To set the internal clock program start TIMER and channel BLOCK you must summon the corresponding pages clock page TIMER page and BLOCK page To change the pages press TIMEWBLOCK stands for the TIMEWBLOCK button OH AM PM indication disappears AM PM 22 T fee 2 second j Pe T B TIMER SET Channel number buttons ENTE
36. indication VIDEO indication b AUTO PROGRAM TIMER or TIMER BLOCK indication c Bar display for volume or picture adjustment Current time for Timer Block AUDIO IN jack VIDEO IN jack VHF UHF antenna terminal SECTION 1 GENERAL Remote Commander RM 781 SLEEP button MUTING button POWER switch Picture adjusting buttons TIMER BLOCK setting buttons SELECT RESET LEVEL TIMER BLOCK CLEAR AM PM OFF REPEAT Channel presetting buttons AUTO PGM ADD ERASE CABLE button TV VIDEO button Channel number buttons ENTER button DISPLAY button JUMP button PICTURE 4 buttons CH channel buttons VOL volume 4 buttons The functions of these buttons are also available on the TV Battery installation Insert two size AA R6 In normal operation batteries will last up to half a year lf 1 Open the lid batteries with correct the Commander does not operate properly the batteries polarity might be exhausted Replace them with new ones To avord damage from possible battery leakage remove the batteries when the Commander will not be used for a tong time If a Remote Commander that is not recommended 1 used to operate this TV or if the supplied Remote Commander 5 used to operate another TV the TV may not operate properly 2 PRESETTING TV CHANNELS To Preset All Receivable Cnannels Autom To Pr
37. l convergence adjustment using H STAT VR and STAT magnet as shown below In this case H STAT VR and V STAT magnet effect each other Tilt the V STAT magnet and adjust static con vergence to open or close the V STAT magnet Rotate BMC magnet b to correct insufficient V static convergence BMC Magnet KV 13TR27 RM 781 2 Dynamic Convergence Adjustment Preparation e Before starting perform Horizontal and Vertical 3 Static Convergence Adjustment Loosen deflection yoke screw Remove deflection yoke spacers Move the deflection yoke for best convergence as shown below Tighten the deflection yoke screw Install deflection yoke spacers Screen corner Convergence 3 3 FOCUS G4 RV707 Adjust FOCUS control for a best picture 3 4 SUB BRT RV709 1 2 3 14 Feed in cross hatch pattern Set PICTURE and BRIGHTNESS to minimum Tum RV709 SUB BRT slowly to obtain a faintly visible cross hatch 3 5 WHITE BALANCE Feed in the cross hatch pattern 1 Set BRIGHTNESS and PICTURE controls to miniium 2 Turn RV704 B DRIVE and RV702 DRIVE fully counterclockwise 3 Set RV701 R BKG RV703 G BKG RV 705 B BKG and RV709 SUB BRT to mechanical center 4 Turn RV706 SCREEN slowly to obtain a faintly visible cross hatch Note the color that first becomes visible by turning RV708 Do not turn a BKG control for this color 5 Adjust the
38. ltage of pin of IC601 is less than 137 20V DC 5 If step 4 is not satisfied replace C601 and repeat above steps digital multimeter regulated dc power supply 1T40 digital multimeter ar a SECTION 5 ELECTRICAL ADJUSTMENTS 5 A BOARD ASDJUSTMENT Component Side 550 RVSO3 v size 0 RV50 RV40l LEVEL RV402 DIO KV 13TR27 RM 781 RVIOI POST RV101 BAR POSITION ADJUSTMENT 1 Receive a c lor bar signal 2 Set the PICTURE button to maximum 3 Adjust RV101 to the point where the arrow indi cate 220000 RF AGC ADJUSTMENT 1 201 1 Recive an offair signal 2 Adjust AGC VR AGC VR of IF201 so that snow noise and cross modulation just disappear from the picture SUB CONTRAST USTMENT RV303 1 Receive color bar signal IF 201 H FREQ RV501 1 2 3 4 5 Receive an off air signal Connect circuit between amp of IC301 IN and pin 69 of IC301 VCC2 with a jumper wire Connect the frequency counter across Base of Q 550 and ground Adjust RV501 for 15 734kHz X 50Hz on the fre quency counter Disconnect a jumper wire from C301 V FREQ AD USTMENT RV502 1 2 Ji 4 Receive signal Connect circuit between pin of 1 301 V IN and of IC301 VCC2 with a jumper wir
39. m Landing 2 Convergence 3 Focus 4 Sub Brightness 5 White Balance Note Test Equipment Repuired 1 Color bar Pattern Generator 2 Degausser PURITY CONTROL Fig 3 Fig 3 2 Disk magnets or rotatable disk magnets correct these areas Purity control corrects M KV 13TR27 RM 781 3 2 CONVERGENCE 4 When the V STAT magnet is moved in the Preparation direction of arrow and Red Green and e Before starting perform FOCUS H SIZE and V Blue dots move as shown below SIZE adjustments e Set BRIGHTNESS control to fully counterclock o je Ske eT 11 e eed in the dot pattern NOS m ae 1 Horizontal and Vertical Static Convergence R R Center dot RV704 B DRIVE RV702 G DRIVE RV705 B BKG RV703 G BKG RV701 R BKG RV709 SUB BRT RV706 SCREEN RV707 FOCUS RV708 H STAT 1 Adjust H STAT VR to coincide red green and If blue dot dose np coincide with red and green blue dots on the center of screen dots perform following steps Horizontal movement Move BMC magnet a to correct insufficient 2 Adjust V STAT magnet to coincide red green H static convergence and blue dots on the center of screen Vertical movement 3 Ifthe red green and blue dots do not coincide on the center of screen with STAT VR perform In either case repeat Beam Landing Adjustment horizonta
40. normal page to clock page Press before the AM PM indication disappears and summon TIMER page TIMER BLOCK Press 1 0 3 0 AM PM ENTER Numbers will wink to indicate that the time has been set 9 AM PM Press 1 2 ENTER 0 not necessary Numbers will wink to indicate that the channel has been set co EE 7 E c The TIMER lamp willlight up to indicate that the TIMER has been set If you have made mistake press CLEAR and returnto step 3 A the preset tme the selected channel appear the screen and the TIMER lamp willgo out TIMER will operate whether you are watching a TV Program a VCR playback or even if you have turned off the TV Mf no button is pressed within 2 hours after the preset time an OFF indication will appear on the screen for 1 minute If a button 15 still no touched during the t minute the TV will turn off automatically as a safety precaution TIMER SET z THMER SET 10 30en CH d f ER SET 1 pM CH 12 f NE me TIMER operates only once but the time and the channel will remainn the unit s memory If you want to preset the game channel at the game time for a future date press OFF REPEAT The TIMER tamp will light up to indicate that the TIMER has been reactivated if you want 0 deactivate the TIMER press O
41. or numbers to designate channels dU 2413 Press CH vice versa To tune a channel refer to the chart below Cable 1 Number onthis TV 1 5 6 14 B 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 H the VIDEO indicationis displayed on the screen Corresponding CAT channel 8 A 7 B C D To add the channels that could not be preset with automatic Press the TV VIDEO button on the TV or the Remote 31 32 33 34 35 36 37 38 39 programming because their signal strength was too weak or to Commander so that a channel umber appears R 8 T U V W W 1W 2W 3 hannels foll h in Te me he Steps 17 TO preset only Check with your local cable TV company for more complete The designation of the cable Ty channels conforms to the information on the available channels EIA NCTA recommendation Note Pay cable TV systems use scrambled or encoded signals and require spectal converters decoders in addition to the normal cable connection 3 WATCHING TV PROGRAMS Press POWER gg the or the Remote Commander to turn the N on Press CABLE so that the appropriate mode appears 3 CABLE To view VHF UHF To view cabel TV channels channels 3 Select a channel in one of the following two ways To scan the preset To select a channel directly channels in numerical press the channel number sequence button s and then ENTER press CH For example to select channel 10 press 0 and ENTER cod A ood
42. s job 3 Measuring the voltage drop across a resistor by means of a VOM or battery operated AC volt meter The limit indication is 0 75 V so analog meters must have an accurate low voltage scale The Simpson 250 and Sanwa SH 63Trd are examples of a passive VOM that is suitable Nearly all battery operated digital multimeters that have a 2V AC range are suitable See Fig A HOW TO FIND A GOOD EARTH GROUND A cold water pipe is guaranteed earth ground the cover plate retaining screw on most AC outlet boxes is also at earth ground If the retaining screw is to be used as your earth ground verify that it is at ground by measuring the resistance between it and a cold water pipe with an ohmmeter The reading should be zero ohms If a cold water pipe is not accessible connect a 60 100 watts trouble light not a neon lamp between the hot side of the receptacle and the retaining screw Try both slots if necessary to locate the hot side of the line the lamp should light at normal brilliance if the screw is at ground potential See Fig B Trouble Light Ohmmeter AC Outlet Box Lon Cold water Pipe Fig 8 Checking for earth ground LOCATION OF CONTROLS Refer to the page indicated jn for details SONY Sa a TV VIDEO button Remote control detector VOLUME buttons TIMER lamp CHANNEL 4 buttons POWER switch On screen displays Channel numbers MUTING or SLEEP
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