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M123 Service Manual

Contents

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3. 5100 07 P 4
4. 18001 U lt VUL VUL UP MENU CH DN 2 1 Joie U 5 n oe 3 o 5 8 SF ri 99 0 2 a 2 J023 8 2 5005 1 eH 0518 8 Doni F Sao 10 ir 2 8021 1 3 RUM ROUES 8 5 5 ROIG 50084 SEO 7 goeta 578 2016 E E J013 ROIS 0 F801 801 2 TEE RT801 T3 15AL IH uu 250 un 2014 gt 2008 3 E 0861 Q860 gt 5 R045 i R050 P ls S cai 8 ale fae 38 D zl 0005
5. Pin Voltage No Pin Voltage Item No Pin Voltage B ZA B 9 OV OV 0501 164 0202 2 OV 0001 5 OV E 2777 8 OV B 2 6V B OV B OV Q502 171 OV Q203 4 0004 8 8V E 2 3V E OV E OV B 2 1 8V 8 Q503 177 0210 0 OV 0005 3 OV E 202 OV E 2 8 5V 4 OV 4 Q510 OV 0209 8 0211 OV BY E 4 2V E 0 OV B 8 3V B 4 OV B OV Q830 106 0208 8 BV 0212 5 OV E 12 OV E Sev E OV B 6 TV B 5 8V G 2 8V Q831 10 4V 0002 1 8V Q801 D 127 OV E 6 1V E 5 1V S 0 B OV B 5 OV B 4V Q832 10 4V Q003 5 8V Q401 39 OV E OV E 5 8V E OV B OV B 0 O5V 0101 6 OV Q250 8 OV Q402 106 OV 0 OV E 0 OV E 0 OV 49 Colour Television Chassis M123A 7 11 Faultfindingand Test point with Waveform Diagram Wave Shape NO
6. 53 Colour Television Chassis M123A 8 PCB 8 3 MPX PCB 54 Colour Television Chassis M123A 8 PCB 8 4 SIDE AV PCB P954 R954 C955 OO co Colour Television Chassis M123A 9 AlignmentProcedures 1 FLOWCHART OF ALIGNMENT PROCEDURE B Screen amp White Adjustment gt AGC 5 y Balance Adjust
7. 72 Colour Television Chassis M123A 12 PartList ey E an ecran mac ma WC eS 9924 332 333 1 1 132 133 172 172 808004 amp 080561 8 CB0564 J 8 CB0681 J 8 CB0682 J amp 080751 8 CB0821 J 8 CB0822 J 8 CB0822 e lt gt c gt lt gt lt gt gt lt gt 5 lt gt Se c c e e Se c c x gt lt lt gt lt Se c ce 5 lt gt co lt gt 1 5 R RES 39K OHM RES CF 39K OHM 1 RES CF 43K OH RES CF 43 OH RES CF47 OH RES CF IT OHM OW 1 RES C10 OHM MW RES C 10 OHM MW RES CF 47k OHN TON 5 RES CF LIKOHM 5 ES CF ATK OHM 92 ES CF ATK 851 RES CF 56 OHI il 49 RES C F 60 OHI ON RES 560K OHMAIGW 5 01519 E 45 9 29 RES CF 10 OHM 11AN c e e lt gt en lt gt
8. lt lt SS SS 2 lt lt aS z gt lt lt gt lt gt lt 2 25 25 26 6 26 lt lt 23 lt gt gt lt gt lt gt 2 2 2 lt 5 lt 5 lt 5 lt 5 e3 gt male ele 23 l
9. CAP 604158 C607 9 cang ELEC 10 UF 16V 120 0 5BCBIOUIX ELEC 10 UF 16V 208 IRE BARE JUMPER TM CAP ELEC 0 4 UF 50V MO 104053 ANALOG SW 1 82 OHM 95 ROU RES M F 15K OHM IW RES ME 10K OHM 4 m PDBDOLFNK RES MF 100K OHM OW 03 RES M F 22K OHM IW 206 TOW 151 1 22k OHM 18W 9 sce sce C F 1K OHM 110W 5 RES C F 1K OHM 95 RES CLF 95 RES CLF 82 OHM 1 6 2 CAP ELEC 200UF 421 5 008 920 90 n CAP ELEC 1 UF 50V 208 CAP MPEOATUF 63V 58 Ton 10050800 WIRE BARE JUMPER 5M rm 7 ro 15737 11 RE BARE JUMPER 7 RE BARE JUMPER 10 4110060300 BARE JUMPER 0 Designator gt S 5 25 gt gt 5 Ss lt gt 22 gt gt gt 20 22 gt gt gt gt
10. ___ ___ 244 2201 5842 C916 1K tu Sov 9 mum O 77 mu open CRURA AV 2 e R DUT L v 2 IN 42 IN V2 IN Cr 47 Colour Television Chassis M123A T Electrical Diagrams 7 8 Side AV 9V R914 10k 951 1000 2951 P954 Al IN 7 Electrical Diagrams 7 9 Audio Amplifier 601 TDA7057AQ STEREO speak CA 8007 16 DHM ego MS ii R008 ES 750 1 008 4u7 50V speaker R P601 16 OHM C603 10uF C60 I 0605 D601 1 0474 1 IN4148 as 12VB 602 0 474 9V 69 I T C607 A 2 8613 W601 1500 T I 22k 851 1 C604 100n 470uF ceog 8602 5V 25V 33K 1500p mem R612 eek 6 3 48 Colour Television Chassis M123A T Electrical Diagrams 7 10 CRT Panel R518 2 7K 1 2 R514 2 7K_1 2W 8515 2 7K_1 2W C4 750 E F4 CUL C EE
11. 5 lt 3 gt rl n T SIs gt a gt gt gt lt gt lt gt a en 5 5 gt 5 gt gt lt lt gt lt gt lt gt lt gt gt 0 0 165 800 195 800 0 WWJ0200 B00 ele 0200 8 10962W 02K c gt H 104 r Television 12 Part List Lk e i WIRE BARE JUMPER8 NM PER Ee PER RE BARE JUMPER 8 5 RE BARE JUMPER RE BARE JUMPER RE BARE JUMPER RE BARE JU RE BARE JU RE BARE JUMPER RE BARE JUMPER 125 RE BARE JUMPER RE BARE JUMPER 16 5MM 2 2A m gt 20 20 gt 343730 08 048 84 OR Chassis M123A b 4 1L D831 D830 Colou r Television 12 Part List Chassis M123A pes mmus 1 1
12. 111521 0151 5 lt gt lt gt 2 lt gt lt gt lt gt lt Se c lt gt gt lt gt ge lt gt lt gt lt gt IE Se c lt gt gt lt gt lt gt gt lt co e Se c lt gt c gt lt gt gt lt gt lt gt lt lt gt lt gt lt gt x x x gt lt 29 Ex Ep c gt gt lt m gt lt gt gt lt gt gt lt 29 gt cof lt 5 25 gt lt gt lt 29 RS gt gt lt 29 gt lt 20 gt lt 73 Colour Television Chassis M123A 12 Part List RES M O 10K OHM 1W 4514 Mt RES MO 12K OHM RES MOL T2 OHM 05 27 FRI RES M O 15K OHM 215153 RES NLO 22 OHM 2W 5 25BCAIOLMIX TCAP ELEC 1000 UF 08 00 m
13. 3 Directions for Use 3 5 Remote Control SLEEP STANDBY Chassis M123A STANDBY Button Press to turn the TV on or off standby You also can turn on the TV by pressing the CH annel v Abuttons on the front of the TV NUMBER Buttons Press to select TV channels directly For single digit channels press two 0 first then the number of the channel For double digit channels press 0 first then the two numbers of the channel For example to choose channel 45 press the 0 button then Number 4 then Number 5 For channels 100 and above press three number buttons of the channel directly You can select channels above 69 only if you have Cable TV Make sure TV CATV is set to CATV Details are on page 11 MUTE Button Press to cancel or restore the TV sound Pressing the volume buttons VOL A or VOL also will cancel mute and restore the sound OK Button Within on screen menu press to enter some special function such as Favorite List etc SMART SOUND Button Press to select one of the four sound settings Voice Music Theatre or Personal Details are on page 29 CH channel Button Press to select memorized TV channels Colour Television Chassis M123A 3 Directions for Use 3 6 Language You can set the TV s on screen menu to be in English or Spanish 1 Press MENU to seethe menu Press VOL to highlight 4
14. TRIMMER BIOKHORZTYPE TRO qun CAP ELEC 10 UF 16V 120 802 CAP ELEC 470 UF 16V 1201 25BIGIOIMX CAP ELEC 100 UF 160V 420 CAP ELEC 330 UF 200V 4208 aC 2GABCIOAZFX 8 2GABCIOAZFX CER 0 1 UF 50V CAP CER 220 PF CER 470 PF 9558 TCAP CER 220 PF 250 40 083 CAP CER H10 B oeme BHCHR ROTA MR 2G ANKIO2KBK CER 1000 PF H0 8 TCAP CER 2200PF 48105206 TGAPKAT KBX CAP CER 470PF 94018 TCAP CER ATOOPE250VAC 80 20 F CHOR CAP CER QU PF 50V 4108 OPEBPRIAK CAP CER 1000 PF 50V 10 B MPP 022 UF 275VAC 20 CAP MPE 1 UF PP 4700 PF 630V 4514 0809 34RIOOKZ IBX COIL CHOKE 10 UH 0 ERIDO BX COIL CHOKE 100 UH 440 La 35 139730 00X FERR BEAD BFG0 1 FERR BEAD BFED 1 UTR 410580 WIRE BARE JUMPER 75M 2 3 Chassis M123A Remarks Colou 55 55 a l 5 lt gt lt gt T c
15. Enter secret code Enter new code Colour Television Chassis M123A 3 Directions for Use 3 21 Blocking Programming With Movie Ratings There are two types of ratings for P Lock One is based on movie industry ratings The other is based on TV industry ratings Both be used to censor programming Let s first look at the MPAA Rating options of P Lock 1 Press MENU to see the menu Press VOL to highlight lt Feature 3 Press CH to enter Feature submenus 4 Press CH or CH to highlight P Lock 5 Press OK to display the secret code screen Press the Number buttons to enter your four digit code The P Lock setup menu appears on the screen and the MPAArating is highlighted 7 Press OK to display MPAA ratings G PG PG 13 R NC 17 and X Enter secret code 8 Press or CH to select the rating you wantto block 9 Press OK to block or unblock the rating checkmark will appear to the rating left of the rating when blocked When you block a rating higher ratings are blocked automatically To unblock all the ratings select N A 10 5 MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action Helpful Hints Blocking any rating ON will block all the higher ratings automatically F
16. PO yo gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt m ims ET d 225 m ES gt gt gt gt gt gt zi 5 zi 5 gt 5 5 5 5 c4 lt lt c4 c4 gt lt gt cc em c c lt gt c n c4 lt gt gt gt gt lt gt lt gt gt lt gt gt gt lt gt lo Uc Uc Uc gt gt cN c4 c4 c4 c c lt lt c4 c4 c4 c4 c4 gt gt gt lt lt lt gt lt gt gt lt gt lt lt gt
17. wo wo wo 5 gt 22 gt gt Colour Television Chassis M123A 12 PartList imas msa boerse 1 msa boes DATRUSC FOX DIODE TRUSC FAST RECOVERY 081 DIODE 155188 145858 DIODE 198436 NN DHERIOBFBX DIODE HER OS 108 DIODE 16HSC DIODE 6V2 Du 5 1 5 TRANSISTOR 28C 1815Y 28C1816Y SC2688AK TRANSISTOR 282688 NPN 119050 TRANSISTOR 2580486 105 PHOTO COUPLERHPC922 C 10 958 RES C F 10K OHM 99 RES CF 33K OHM IL 15 RIT BCBOEEDINX CI 6K OHM 1 6574 10 OHM 91 Res RES CE Z2 OHM AW 11271111 R833 IRSE 470 OHM 5 RES CF47 OHM 1 95 R832 7 14W 1 RES M O 33K OHM 2 6 RES CN 10KOHM 408 R636 RES HIVOLT CC 1M OHM 112W RES HVOLTCC 82M OHM 115158 Rit Colour Television 12 Part List oe
18. children Appropriate For all children Designed for a very young audience including children age 2 6 This type of programming is not expected to frighten younger children 4 TV Y7 Directed to Older 1 4 Children Designed for children age 7 and above It may be appropriate for children who can distinguish between make believe and reality This programming may include mild fantasy and comic violence FV or Fantasy violence va V G General Audience Most Parents would find this mming suitable for all ages This type of programming contains little or no violence strong language and little or no sexual dialog or situation TV PG Parents Guidance Cautioned Contains material arents may find unsuitable younger children This type of programming contains one or more of the following moderate violence V some sexual situations S infrequent coarse language L or some suggestive dialog D TV 14 Parents Strongly Cautioned Contains material t arents may find unsuitable for children under 14 years of age This type of programming contains one or more of the following intense violence V intense sexual situations S strong coarse language L or intensely suggestive dialog D TV MA Mature Audience only vg Specially designed to be viewed meos and may be unsuitable for children under 17 This type of programming contains one or more of the following graphic vi
19. gt gt gt 5 5 gt gt gt gt gt gt lt gt lt gt gt lt gt gt 0 gt El 5 5 lt gt gt lt lt gt 4 lt gt 12 Part List RE BARE JUMPER 10 RE BARE JUMPER 10 RE BARE JUMPER 10 RE BARE JUMPER 10 RE BARE JUMPER 10 5 RE BARE JUMPER 125 RE BARE JUMPER 125 RE BARE JUMPER 13 5MM WIRE BARE JUMPER 17 5 CRYSTAL 8 0MHZ PIN BASE 4 TJC1 4A Designator gt lt gt gt nS nS lt gt lt gt gt lt lt 2 lt gt 5 5 gt gt gt gt gt gt 5 gt lt gt lt gt lt gt lt gt 5 lt gt gt 2 lt gt gt 55 lt gt gt m gt nS gt m lt lt gt lt co gt gt Chassis M123A Remarks 401 FOR DY COMMECTOR
20. DIODE FRIO4 FASTRECTIFIER D402 DIODE FRIO4 FAST RECTIFIER Duo seme 6 11418481 DIODE SWITCHING D005 7 7 DIODE ZENER 33V memewruns 0 Chassis M123A Remarks FOR FRONT CAB FOOTING MTG SPK MTG CRT BKT amp FRONT CAB MTG LENS amp FRONT CAB MTG PUSH BUTTON amp FRONT CAB FOR SPK amp FRONT CAB OR CRT FOR CRT MTG amp CRT Colour Television Chassis M123A 12 Part List i 0700086 DIODE ZENER 71015 D404 rane FRASER 8 RR IR RECENER MODULE HS00384 ROO SHO SH SHO SORT wmm 00 TRANSISTOR 28037790 RF ANPL a C TOATOSTAQ RI AUDIO OP 503 0811 558 RES C F 100 OHM 55 RES C F 100 OHM 5 6 RES C F 100 OHM 8 RES C F 100 OHM 45 CF 100 OHW GU IRES C F 100 OHM 8
21. RES C F 100 OHM 1 6 2 CE IK OHM 95 1K OHM 5 ROS Chassis M123A Colour Television 12 Part List Remarks e gt Ed a 6 lt gt lt gt lt gt Uc lt gt c lt gt gt c4 ea m lt gt c gt gt gt a b lt gt lt c oo lt gt lt gt lt gt c lt gt o a a a a a a a a o a QZ gt lt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt gt se gt se se se 52 52 ca gt 2
22. Sleep Off Sleep 9min A After setting the SLEEP timer press SLEEP to see the time remaining before the TV turns off 23 Sleep 120min Sleep 110min Sleep 10min Colour Television 3 Directions for Use Chassis M123A 3 19 Understanding Parental Lock Parental Lock process program content advisories from broadcasters Parental Lock can respond to the content advisories and block objectionable content offensively language violence sexual situations etc This is a great feature to censor the type of programming children watch Parental Lock offers various blocking options from which to choose MATER ENABLE this is the master switch for Parental Lock When ON all blocking censoring you have set is enabled When off all blocking is disabled BLOCK UNRATED All unrated programs based on Movies Ratings or TV Ratings will be blocked if this feature is ON and MASTER ENABLE is ON BLOCK NO RATING All programming with no content advisory data will be blocked if this feature is ON and MASTER ENABLE is ON After you set a secret code you can block up to six ratings in TV Ratings or Movie Ratings These ratings are set by the Motion Pictures Association of America and TV broadcasters MPAA Ratings Motive Picture Association of America G General Audience All adges admitted
23. 8306 306 16V 22K ggs 2200P 255 100 307 2 7 Electrical Diagrams TunerlF 0101 45 42 S6 C3779D il 1N L106 R116 1K 4 5 41 7101 R115 L103 1859 150 470 1 C106 C105 1101 R117 our ion 33v 247 100 5V INN 09 5 A 2 5 58 2 TU101 5 43 104 474 50V 45 Colour Television Chassis M123A T Electrical Diagrams 1 5 MCU Video IF and Sound IF 9V 1 4148 R043 1009 E 10K 44 9005 05 8042 10K 1 64 RI 46 61 7 60 R013 1k az e A9 59 n t DTC124E 5 390 251 0250 Cle4E 148 1248 at 16 5001 5002 5004 5005 5006 5007 5008 Reas 45v TV AV MENU VOLUP CHIN CHUP A TO POWER 1 14 14 14 14 14 14 14 foo L Roz 8022 Ro23 Roes R026 165 ik 207 A ake 10K 43K A P006 C017 016 002 1009 01815 1 4 12201 GND TMPAB
24. B E i B S 8 5 SIE ae x 5 B af 22265 M E UE a 5 a Jk x st R920 cr 5 5 ig s o 5 Rei 559 cus Lo Ro 4 m bm 41 X P901 EET E i I Ij LI Lj LI I 52 Colour Television Chassis M123A 8 PCB 8 2 CRTPCB
25. Monitor Out 7 Video CVBS 1 Vpp 75 1 R L 8 Audio L 0 5 Vrms 1 k_ 9 Audio R 0 5 Vrms 1 k REAR PANEL 2 Colour Television 1 3 Chassis Review CRT PANE Side AV Panel 2222 Main Chassis Panel 95555 DIDIK 93536 MSP PANEL Chassis M123A 7 1 Power Supplier 7 2 Line Deflection 7 3 Frame Deflection 7 4 7 5 MCU Video IF and Sound IF 7 6 5 Stereo SAP Decode 7 7 Video Source Switching Colour Television Chassis M123A 2 Safety amp Maintenance Instructions Warnings and Notes 2 1 Safety Instructions For Repairs Safety regulations require that during a repair Due to the hot parts of this chassis the set must be connected to the AC power via isolation transformer Safety components indicated by the symbol should be replaced by components identical to the original ones When replacing the CRT safety goggles must be worn Safety regulations require that after a repair the set must be returned its original condition Pay particular attention to the following points General repair instruction as a strict precaution we advise you to re solder the solder connections through which the
26. lt gt lt gt Chassis M123A Remarks Colour Television Chassis M123A 12 PartList Lek ey NN ERE RAN RE BARE JUMPER 8 RE BARE JUMPER 75 Bomm maoo powan MPP 0 011 UF LER SL AUS 08 48000014 5 420 kwrm mmm Wm 2100 uw 1 0 1 1 IM 81 ele lt gt WW SITs ol 5 lt 5 lt gt gt gt lt lt gt gt gt lt gt lt gt lt gt RS lt gt 25 5 lt gt gt lt zd lt gt lt gt ol sl 5 gt lt lt gt cc gt wo
27. Feature 3 Press CH to highlight Language 4 Press VOL or VOL to select English or Espanol Spanish 5 Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action Helpful Hints The language control only affects the language of the TV menus It does not change the other on screen text features such as Closed Captions Colour Television Chassis M123A 3 Directions for Use 3 7 TV Cable TV CATV It is important for the TV to know what type of signal Cable TV CATV or normal antenna you are using To tell the TV whether you are using a cable TV signal set TV CATV to TV or CATV as follows U1 A UU N Press MENU to seethe menu Press VOL or VOL to highlight Preset Press CH to enter Preset submenu Press CH or CH repeatedly to highlight TV CATV Press VOL or VOL to select TV or CATV Choose CATV if you have Cable TV service See page five for connection details If you do not have Cable TV service and you connected an antenna to the TV choose TV See page sixfor connection details Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action Helpful Hints When CATV is selected channels 1 125 are available When TV is selected only channels 2 69 are availa
28. e me um Lgs ret 8 22 81848 Eja ones Res i 5 IN 5 8 5 0815 802 ou 10 i E D 5 FIRESREPLACE 5 8 cso 8 pi 28238 ium X K801 FUSE AS MARKING E 1 8843 10502 S gt i N 05 D203 T C236 5005 S 534 p TM 8 s D817 C809 32 oss SI BS 28 J217A 1 25 C808 Weg poe R244 8 23 R807A zu i 8 g REAT at 4 J215 6 E n g C814 Fi E z lt 8 s 8 4 51515 Puls Sal 2 o 0 2 5 s 2 D E S gei 8 eal mS 38 ERE Pinger 0830 12801 5 52 pags 58 F P 8 Y J204 gl 1803 88 8 2101 Le08 3 Cedi Jee9 2 ROREM cego 35 8 E L811 L8IO 15 5 aL 2 6 pas B at 5 0830 Coll 218 N om S42 REDO C830 15 5 BO L812 E 75 1400 4 4 IG SE ET 2 la 828 5 VRE30 cs 20 X J peral g 0905 900 EHE uH 8 13 Binz 4830 J226 RE 2 gom 48
29. am Ex eaor ELEC 10 UF 16V 120 0 saman CAP ELEC 100 UF 16V aH saa CAP ELEC 22 UF 16V 201 ELEC 220UF 921 0009 CAP ELECAT UF 16V 120 2SCBATMMX ELEC 47 UF 21 2SBCBATONIK CAP ELEC 47 UF 16V 120 ELEC 470 UF 25V L0 TCAP ELEC 470 UF 25V 120 e CAP ELEC 100 UF 36V 420 CAP ELEC 22 UF 50V 820 ar CAP ELEC 1 UF 50V 420 N 4 Colour Television Chassis M123A 12 Part List CAP ELEC 047 UF SOV 120 028 BT 50V 20 25BFBATOMX ELEC 4 7 UF 50V ELEC 10 UF 100V ELECATUF 160V 208 ELEC 10 UF 250 120 ELEC 047 UF 50V 10 CECK 100 PF 50V 454 SL 2GABCIOIAIZX CER 100 PF 50V 195 CER 39 PF 50V 995 2 CER 39 PF 51559 2 CER 300 PF 50V 195 0 01 CAP CER 390 PF 50V 5 SL 1 2GAICIO2KBX CAP CER 1000 PF 500V 408 8 CER 1000 PF 500V 440 B CAP CER 300 PF 500V 40
30. rome m pe meum Se E 00 awam 4 ERB 01 0 pemumw wee 4 1 meme OOS Wwe pum 69 Colour Television 12 Part List _____ RUBBER PAD 25mm 7m 59 31216000 SPEAKER RUBBER CUSHION GL 216340 0UA HOLDER POWER CORD HIPS KINGFA 300 1 mem emma emus 1 G7 X12668 060 SPRING CRT Smm 0 1 SIT SCREW W3X 10 8 Z5 em CRTASIQDIORX0000 JASSY MANBD
31. 8008150405 FUSE T3 15A 250V SKOMM CANTON 0 6 4410100800 WIRE BARE JUMPER 10MM mmo me 7 MANTO WIRE BARE JUMPER 7 5MM 1 UB2ITOSG RCN JASSY REAR CABINET wmm GB2ITORLGUNA INLAY REAR AV 1 3 SHAB RUBBER PAD RRREIR CABFOOTING GA TTT FRONT 8 REAR CA 142 FRONT 8 REAR CHB 1 FELT TAPE o0 d i _ 540 SRACER CRT MOUNTING T 2M 1 2 REAR CABINET 1 JASSY X RAY PARTS 1 _ 92 DIODE ZENER 20V 20 5 109 worm gt CAP ELEC 10 UF 16V 120 105 WIRE BARE 1408 amp 2 40 RES MF 180 OHM LV f RS Colour Television ltem 8 DDO394 FNX 18 EED109 JNX 08 2170SG MSP 1 SC1815 YBX 1 SC1815 YBX 1 SC1815 YBX SP347 56P 80101 0 080101 0 080102 4 18 080470 258681 258681 2580810 0 0 lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt lt gt
32. V Vee Q 24008 Osc 4 5 V Ds 5 V EU Elke Chip Enable Inputs sw RIRs SC Serial Clock WC Write Control Supply Voltage Vss Ground 42 Colour Television lt CO Oo Co TC4053BP 6 2 126 Chassis M123A 6 Block Diagram and 12C Pin No Name and Function 11 10 9 A Binary Control Inputs 6 INH Inhibit Inputs 12 13 2 1 5 3 IN OUT bx by cy Input Output 14 UITZIN ax UT IN 4 UT IN 7 Supply 8 Vss Negative Supply Voltage 16 7277 Positive Supply Voltage Name Descnip tion The Demag Pin offers 3 different functions i Zero Voltage crossing detection 50mV 2 1 Demag 24 uA current detection and 120 uA current detection The 24 level is used to detect the secondary reconfiguration status and the 120 uA level to detect an ver Voltage status called Quick 5 teepee de Current sense pin senses the voltage developed on the series resistor inserted in the source of the power MOSFET 3 Control feedback current from the secondary side of the SMPS Input the opto coupier is injected into this pin 4 Ground 5 Driver 6 3 This pin is to provide isolation between the V1 pin
33. 12C 6 1 Block Diagram conl 1c601 TDATOSTAQ STEREO TER 7 MEAS 41 Colour Television 0 y POWER TV AV 1 O V 5 0V ray 2 5 1 4 5 TV Syne KEY 3 5 1V 4 7 M 5 5 2 X TAL 2 2N 0 V 1 2 2 0 e 4 2V poo ov 5 88 5 1V eof 0 V 0 0 V 2 5V GJ 2 7 2 6 8 8 Gen 2 5 Gc 20 v 1 8V 2 3 1 8V G3 v vi 3 2 6V 4 8V s 2 v Gp cav e3 2 3V 0 wer 0 V n 3 4 WE 2 3V MSV aen fD 4 6 2 2 3 5V 4 8V Gabr i vece 8 8V 2 4 9 sa 5 1 8V 2 7V f 4 6 Block Diagram andl2C 6 2 126 100121 00 gt Q Chassis M123A ODUALS OVASGOLVGL 10901 vc 5 V 0
34. 3 13 Smart Picture Whether you are watching a movie or a video game your TV has automatic picture setting matched for your current program SmartPicture resets your TV s video settings for different types of programs and viewing conditions Each SmartPicture setting is preset at the factory to automatically adjust the TV s Brightness Color Contrast Sharpness and Tint 1 Press SMART PICTURE on the remote control The current SmartPicture setting will appear on 2 Press SMART PICTURE repeatedly to select Personal Movies Sports or Weak Signal The Personal setting is what you specify with the picture adjustments as described on page 15 Personal is the only SmartPicture setting you can change All others are set at the factory during production Chassis M123A Personal Movies Sports Weak signal Colour Television Chassis M123A 3 Directions for Use 3 14 Colck Follow these steps to set your TV s clock 1 Press MENU to see the menu 2 Press VOL or VOL to highlight Timer 3 Press CH to enter Timer submenu 4 Press CH or CH repeatedly to highlight Clock Press VOL or VOL to enter the current time Press and hold the VOL or VOL to change the time quicky in 10 minute increments 6 Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further a
35. 8 and Vcc Pin 6 This pin can be directly connected to o 500V voltage S 1 for start up function of the IC 43 Colour Television 7 Chassis M123A Electrical Diagrams 7 1 Power Supplier P802 N 2801 A Or T 220n R812 ES 800 250 VR804 mH 8M2 1W 8 6 0 8 RT801 8 F801 1 120V gt 315 C 1 250 LA C816 R805 C801 106V 220P 400V 1 220n 7803 1 4 25 1804 100uH 48V 9830 RESP 12VB AN C804 ATTE RESI SCEE dew C831 0830 5805 4708 MPE 5 2 R833 C849 014 181 RU3YX 1810 5237 479 400M 10004 AN 16 R808 p SERI VR830 2200u 5 C806 803 10K 55 10m 3304 SW 4702 200V R850 2 e pov SKB 5 5 2806 2 0831 HERI08 5 1815 TRUSC 1814 5 816 1 R837 e 68 2838 8837 5 15 395 21000 1000 160V C833 220P 500v p n 4 22835 500V 0801 E 15136 5 3298 C841 220P L843 09 080
36. Alignment Mode Second Audio Program Sandcastle pulse derived from sync signals Short Circuit SCAVEM Scan Velocity Modulation SCL SDA SDM SECAM SIF STBY SVHS SW THD TXT _P UOC VA VBAT V chip VCR Serial Clock Serial Data Service Default Mode SEequence Couleur Avec Memoire Colour system mainly usedin France and East Europe Colour carriers 4 406250 MHz and 4 250000 MHz Sound Intermediate Frequency Small Screen Standby Super Video Home System Software Total Harmonic Distortion Teletext Microprocessor Ultimate One Chip Vertical Acquisition Main supply voltage forthe deflection stage mostly 141 V Violence Chip Video Cassette Recorder WYSIWYR What You See Is What You Record record selection that follows ma picture and XTAL sound Quartz crystal Luminance Y and Chrominance C signal 68 Colour Television Chassis M123A 12 PartList e 8004X Ir LIEGE 0 00 L s E T BEEN Wm 7 8 7 _ W OO O amm 122420212
37. Off 5 Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action 29 Colour Television Chassis M123A 3 Directions for Use 3 25 Smart Sound When you are watching a movie or video game your TV has sound settings that match these programming types 1 Press MENU to see the menu 2 Press VOL to highlight Sound 3 Press CH to enter Sound submenus 4 Press CH or CH to highlight Smart Sound Press VOL or VOL to select Personal Voice Music or Theatre 6 Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action Helpful Hints You can choose a Smart Sound setting quickly by pressing the SMART SOUND button on the remote control 30 Smart Sound Colour Television 3 Directions for Use 3 26 Sound Adjustment You can adjust the low frequency Bass or high frequency Treble You can also adjust the Balance to increase the volume of the left and right sound channels 1 Press MENU see the menu 7 Press VOL to highlight 6 Sound 3 Press CH to enter Sound submenus Press CH or CH to highlight Bass Volume Treble or Balance Press VOL or VOL to adjust the option 6 Press MENU repeatedly to remove the menu from the screen or menu will quit after a few
38. gt 25808 258081 258081 25 BCB100 M1X 230803 25 BFB339 M1X 26 ABC102 KBX 26 ABC102 KBX 26 ABC102 KBX 26 ABC102 KBX 0 0 26 ABC102 KBX 26 ABC102 KBX 12 Part List Tm acm 2113 E in pO 100 TRANSISTOR 1005 o 7 RES CKO HS RES CF IK OHM 5 Am 77 210 ro 1 THEE 5 Scam im _ bre OO NS _ CAP ELEC 10 UF 16V 201 X CAP ELEC 47 UF 16V 8 29 CAP EL 0000 waw a Chassis M123A Colour Television Chassis M123A 12 Part List DGABCHDAEK CAP CER 1500 PF 50V 098 1012 CAP CER 50V 1 1 CAP CER SEPF
39. have separate UHF and VHF antennas you need an optional combinerto connectto the TV UHF Antenna UHF VHF Combiner Rear of TV 8 1 4 2 E 75 300 Ohm Adapter VHFAntenna Colour Television 3 Directions for Use Chassis M123A 3 3 Basic to VCR ACCESSORY Connection The basic Antenna Cable TV to Accessory VCR DVD Player etc to TV connection is shown at right For other hookups such as those with Cable Boxes refer to the owner s manual of the Cable Box or other Accessories 1 Connect a yellow video cable to the VIDEO IN 2 jack on the rear of the TV and to the VIDEO OUT jack on your VCR or other Accessories Connect red and white audio cables to the AUDIO IN 2 jacks left and right on the rear of the TV and to the AUDIO OUT jacks on your VCR or other device Match the cable colors to the jack colors Turnon the TV andthe VCR Press the TV AV button on the TV s remote control until AV2 appears in the upper right corner of the TV screen When you play material on the VCR DVD player etc that is connected to the AUDIO and VIDEO IN 2 jacks on the rear of the TV it will appear on the TV on the DVD INPUT AV 2 channel Helpful Hints Audio and video cables are not supplied with the TV Audio cables are usually marked with red and white Video cables CVBS are usually mark
40. horizontal deflection current is flowing in particular allpins ofthe line output transformer LOT fly back capacitor s S correction capacitor s line output transistor pins of the connector with wires to the deflection coil other components through which the deflection current flows Note This re soldering is advised to prevent bad connections due to metal fatigue solder connections andis therefore only necessary for television sets more than two years Old Route the wire trees and cable correctly and secure them with the mounted cable clamps Check the insulation of the AC power cord for external damage Check the strain relief of the AC power cord for proper function to prevent the cord from touching the CRT hot components or heat sinks Check the electrical DC resistance between the AC plugand the secondary side only for sets that have an isolated power supply Do this as follows 1 Unplug the AC power cord and connecta wire between the two pins of the AC plug 2 Turn onthe main power switch keep the AC powercord unplugged 3 Measure the resistance value between the pins of the AC plug and the metal shielding of the tuner or the aerial connection of the set The reading should be between 4 5M Qand 12 4 Switch the TV OFF and remove the wire between the two pins of the AC plug Check the cabinet for defects to prevent the possibility ofthe customertouching any Internal parts 2 2 M
41. seconds without further action Chassis M123A SLEEP 31 OOOO Colour Television Chassis M123A 3 Directions for Use 3 27 Stereo Second Audio Program Multi channel Sound MTS broadcasts enhance TV viewing by bringing you programs with high fidelity stereo sound MTS also provides an extra channel called the Second Audio Program SAP which broadcasters can use to transmit a second language or for other purposed OR CATV 22 AUTO MONO STEREO SAP 1 Press MTS on the remote control to select STEREO MONO SAP or MONO SAP the options will be available only when the current TV channel is broadcasting that option Channels will not always carry programs that have all the MTS If STEREO appears on the screen when you select a channel stereo broadcasting is available with the current TV program You can hear sound from the left and right speakers of the TV If the broadcast is not strong or clear stereo sound is not available Press the MTS button to change to MONO This should eliminate the noise If MONO appears on the screen when you choose a channel Stereo is not available If SAP appears when you select a channel Second Audio Program broadcasting is available for the current TV program Press the MTS button to choose SAP and you may hear the program in a different language or some other I
42. then press OK to block or view that sub rating Press MENU to return to the Parental Guidelines screen and check your settings A checkmark appears when the sub rating is blocked 16 Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action ratin 27 Chassis M123A OTV parental guidelines MMMM Content Helpful Hints Any rating will block higher ratings automatically To unblock all the ratings select NONE Notes 1 Blocking TV Y only TV YT is blocked automatically 2 Blocking TV Y7 other rating will not change any more Colour Television Chassis M123A 3 Directions for Use 3 23 Parental Lock Blocking Options After setting your Secret Code Parental Lock offers special blocking options 1 3 4 7 Press MENU to see the menu Press VOL to highlight lt Feature Press CH to enter Feature submenus Press CH to highlight P Lock Press OK to display the secret code screen Press the Number buttons to enter your four digit code The P Lock setup menu appears on the screen Press CH to select Master Enabled Block Unrated or Block No Rating MATERENABLE this isthe master switch for Parental Lock When ON all blocking censoring you have set is enabled When off all blocking
43. when turn on the set Bit 0 Bit2 N A Bit 3 S VIDEO 0 parallelto AV1 1 parallel to AV2 Bit 4 1 sound effect w o mpx MSP3465 Bit 5 Bit7 N A Menu I2 Remote key CAP Item OSD2 OSDF2 PYNX PYNN PYXS PYNS Remark OSD Horizontal Position OSD PLLDATA except Normal H SYNC max Normal H SYNC min Search H SYNC max Search H SYNC min Menu 13 Remote key Display Item CLTM CLVO CLVS ABL DCBS Remark TV mode Video mode S video mode Bit 2 0 YDL 15H bit2 0 40ns 240ns Bit 4 3 NTSC matrix 03H bit 7 6 N1 N2 DVD Bit 5C gamma 02H bit 7 color gamma on off Bit 6 P N ID 17H bit 4 PAL NTSC killer sensit Bit 7 FID 17H bit 3 Killer off Bit 1 0 ABL gain 16H bit 5 4 Bit 3 2 ABL start point 16H bit 7 6 Bit 4 WPS 00H bit 7 Bit 5 OSD ABCL 16H bit 3 Bit 1 0 Black stretch 15H bit 4 3 Bit 3 2 Y gamma 15H bit 6 5 Bit 5 4 OSD level 16H bit 1 0 Bit 7 Blank switch 0CH bit 7 Bit 0 Over modulation 13H bit 5 Bit 1 Aft window size 13H bit 6 Bit 2 Buzz reducer 13H bit 7 Bit 3 Audio gain switch 14H bit 7 Bit 4 Bit 5 Bit 6 Bit 7 1 VCO adjust automatically when changing channel Bit 0 CW SW 06H bit 7 control PIN26 Bit 1 Slice level 1EH bit 6 Bit 2 Mix gain 15H bit 7 Bit 3 V ramp bias bit 4 Bit 4 Bit 5 Bit 6 Bit 7 SLO f0 shift test only 62 Colour Television Chassis M123A 9 AlignmentProcedur
44. 30 C842 84 3231 2232 5210 wis 7 5 12 id J227 R912 gt 2 OQ C418 C849 a 13 R606 hee J831 8 5 11 8 ne 425 __ R831 8 cal R219 UN 3 1 m 10 9605 E m 0604 16488 2 605 J601 3 2708 tbe Cee m 5214 R406 8836 D831 9 1C601A 1 7305 2 J304 Whos R602 0601 2315 2181 16802 J EUEN me SH 1 4 5 R317 51 0301 gt SP01 2913 13 505 R336 AS RST 0 8 1 60 I x 15 J402 unig e xg 1401 4118 2 SDA 815 2 Sg C403 u SCL gt s 8 caro 9V 8 3605 uto D403 8405 L E e p602 R612 310 8408 ETOS i R303 t 44 cao4 D402 E R o OSS 1404 R91 C306 sval d RUS C905 port S gui 1916 nas 38 d J404 lt gt gt 12 HAV aec M 2 R415 IT 8905 R411 GND 8 J912 om R404 6904 i EB Laie 3 R911 5 ABL st 8 R401 B 90 Ban eet 17 23 2806 5 5 8 8582 0401 200V 2 2 __ 18 NEN 3 5 5 hes lu Jen HEATER S SOS
45. 5 1004 1813 L812 144148 12401 7809 D833 58072522 1 807 1 C844 C842 FRIO4 8810 9 9 UE Svi 12402 I 10n I 0 22 500V t 17805 2 c417 C418 C845 C843 TLP621 1 T Olu 10u 47u 4704 D 50V 16V 16 16 Ceo Md R806 01 u R80 16 wll ical Di 7 Electrical Diagramsa 7 2 Line Deflection C421 ui A 250V 504 ul 3 D40 144002 B 7 1 1 1 1 x C403 10004 eeoP 500v R407 1 1 172v R420 cei 11 Sov i 1815 52774 R415 1 14V R404 4155 FOCUS B 10K 1403 4700 ric A 5 a8 IW 23V ala 390P 500V D401 i FR104 8 9 M R418 C408 1 A A Y C409 17 0402 390P 500 FUS C410 100n 000 106V 44 Colour Television Chassis M123A T Electrical Diagrams 7 3 Frame Deflection WF 6 AS 5 16 4 t 00K D307 C309 148 327 8336 15 50v R304 25 1 1 172w IN 35V 1 MOF R311 iw i 4 1 1 4 5 6 C305 P gt 022 A D305 0304 230 144148 10u 3V9 47u 16V 50 14 9
46. 5 IC601 Is there interference noise from the speaker Yes Is the waveform es Check Replace the power at P47 of 1 1001 supply of IC1001 Then RESET NG Is the No BUS ok Check IC201 and the relative circuit Check Replace NG Is the waveform at NO P31 of IC201 ok Replace IC201 Figure7 No Vertical Scanning Q1001 X1002 Is the signal at P1 of 1C301 ok Check Replace IC301 Check signal at P16 of 1 201 Check Replace 1 201 234 Check Replace R405 R409 D403 D402 Check Replace R244 R306 37 No Picture Colour Television Chassis M123A 5 Faultfinding and Test Point with Waveform Diagram 5 1 Faultfinding Check 9V 200V Figure 8 No Picture Check Check R516 TV amp AV Q501 Q503 R521 etc haven t Picture Check P25 P49 of 12201 Replace 1 201 and the relative circuit Check RGB signal TV has Picture AV hasn t Picture Check Pin61 of IC201 and peripheral circuit Check the waveform of Check the logic of pin 14 of IC901 Pin9 Pin10 of IC901 Yes Q905 and its peripheral circuit AV has Picture TV hasn t Picture Check 0208 Q209 Is the waveform at and peripheral P30 of IC101 ok 2 circuit Check 201 and relative circuit please reference the previous page named Figure 5 38 Colour Television Chassis M123A 5 Faultfinding and Test Point with Waveform Di
47. 511154 TUBE REP COIL CHOKE 14 IREBARE JUNPER G5 114580 JUNPER 6 RE BARE JUMPER 6 5 63900949 _JPAYBASE 3TJC3 3A TESTER exa _______ ________ POR SPB TO BD A Colour Television Chassis M123A 12 Part List Lk ia GET BRACKET IF BD FOR NSP BD TO MBD O INAIABABK DIODE 1N4148 SWITCHING o bt ner IRES 100 OHM 95 crno quorum B CBOIO2ANK C F 1K OHM 95 R RES C 470 OHM 181153 1 RES CF 470 OHM 16W 5 eenaa Rm na CF 750 OHM 158 16 01 8 INS TRES C C 27K OHM 12W 10 ARM MUR 27 BFGOIB3HK TRES M O 18K OHM 2N 5 0 1 680 PF 50V 495 pun 7 Ba
48. 9 8 011 1000 PF 50V 4408 8 CAP CER 000 PF SOV CER 44018 109 CAP OER OOTUF 00480 20 F 01 CAP CER O D1UF 50V 80 20 F CER O DIUF SOV 80 20 F CER O DIUF 50V 804208 F CAP CER QDIUF 50V pee 8 CAP CER 0 D1UF CER O DIUF 50V 80 20 F 0233 CER O DIUF 50V 5 pamm CAP CER GOTUF 50V 4 CAP CER 1500pF 50V 09 8 CAP CER 180PF CH CER 27PF 50V 5 CH 04 CAP CER 2700pF 50V 088 11 15 75 MPP 0 058 UF 250 l mac rumen 3 1 1 CAP MPE0 1 UF 95 8 mac arme CAP PE 0 0022UF 63V 45 d me COIL CHOKE 0 6 UH 10 o 04 SERDUIMEX COLPL 2UR 05 Ce 0131 0185 4 0131 0185 1018 2058 4 GGHOROOLAKI TRANSFOR HOR DRIV
49. BOSCSN coza cies GND 108 00 FBP IN A4 57 SCP DUT ge H DuT 2 13 R201 220 Reve 220 3 50 REDA 9V 22 1 Y A3 16 1201 R208 ER 470 ay C233 z T ion 550 R204 APC FIL NC 16 A7 49 BLACK DET 07 19 7 21 4 43 IF IN EXT IN mn IF GND DIG3V3 4 42 acc 2 2 Deepmph ABCL IN 2 27 0206 Rese Toss 104 1 4148 100K Olu S Reg AUDID DUT 16v n I 451 814 IF veces 9 m 18 5 xeo 5MBF ev I 120 R219 330 Rees 100 6 31 Colour Television Chassis M123A T Electrical Diagrams T 6VBTSC Stereo SAP Decode 9 3 49 5 t 5 61 coni 45 58 In In 45 57 RIO0 4SVA 100 R1002 lt 100 C1036 1035 11001 51037 R1003 81004 Ts 1 2 22 22uH 47 10K 103144 Sy gt 22 m 22 1006 10 Som D 1 1 e o C1039 0 1 81903 i006 9V IK 47 01005 R1014 1815 9V 2 x1002 16 45 1004 C1012 R1005 1 zi 15 In R1015 sep c1020 in C33 N 7 Electrical Diagrams Source Switching
50. Colour Television Chassis M123A 12 PartList wu 01 1 l 0011 i gt lt gt gt gt lt gt lt gt lt gt lt MUA UO ooo 1 RR 11 20 ___ LOWRIE GL LOWRIE qmm pum 1 pu 1 LL mms COATING TC 131L UKGBARREL RES CF 6 8K OHM 1 0 98 lt c gt lt lt lt gt lt lt gt lt gt lt lt gt gt gt c 5 i BO 343130 0B0 080 343130 0B0 lt gt lt gt lt gt 5 CAP PE QOOTSUF 5 l 5 BCB221 M1X ELEC 220 UF 16V 20 20000000 0 1N4148 ABX DIODE 1N4148 SWITCHING 0 1N4148 ABX DIODE 1N4148 SWITCHING 0 1N4148 ABX DIODE 1N4148 SWITCHING 0 79C3V9 DBX DIODE ZENER 3V9 1 2W 5 So OPRET EVN 79 Colour Television 12 Part List
51. Colour Television Chassis M123A Service Service Manual Contents Page 1 Technical Specifications Connections and Chassis Overview 2 3 2 Safety amp Maintenance Instructions Warnings and Notes 4 5 3 Directions for Use 6 32 4 Mechanical Instructions 33 5 Faultfinding 34 40 6 Block Diagram 12 Overview Block Diagram 41 42 43 7 Electrical Diagrams and Test Point with waveform diagram Power Supply Diagram 1 44 Line Deflection Diagram A2 44 Frame Deflection Diagram A3 45 Tuner IF Diagram 4 45 MCU Video IF and Sound IF Diagram 5 46 BTSC Stereo SAP Decoder Diagram A6 47 Video Source Switching Diagram A7 47 Side AV Diagram A8 48 Audio Amplifier Diagram 9 48 CRT Panel Diagram B 49 Transistor Test Voltage 49 Test point with Waveform Diagram 50 51 8 PCB diagram Main PCB 52 CRT PCB 53 MPX PCB 54 SIDE AV PCB 55 9 AlignmentProcedures 56 04 10 Circuit Description 65 11 List of Abbreviations 66 68 12 Spare Parts List 69 89 Copyright 2001 Philips Consumer Electronics B V Eindhoven The Netherlands All rights reserved No part of this publication may be reproduced stored inaretrieval system or transmitted inany formor by any means electronic mechanical photocopying or otherwise without the prior permission of Philips I 1 1 1 1 1 Colour Television Chassis M123A 1 Technical Specifications Connections and Chassis Overview Inde
52. E MAGNETIC CORE 1 WIRE BARE JUMPER M l Colour Television Lk 12 Part List 39 020 21 6 06 09 207 c RS lt gt c RS RS c c c l c RS lt gt lt gt c lt gt lt lt gt r5 lt gt RS as gt lt gt gt 204 422 lt a T T T gt gt gt gt lt gt gt lt gt Ss gt lt xd B lt ce Chassis M123A Remarks Colour Television 12 Part List RE BARE JUMPER RE BARE JUMPER mm 105 ron 44140060800 WRE BARE JUMPER con 44140060800 W
53. Most parents would find this program suitable for all ages This type of programming contains little or no violence no strong language and little or no sexual dialog or situation PG Parental Guidance Suggested This programming contains material that parents may find unsuitable for younger children It may contain one or more of the following moderate violence some sexual situations infrequent coarse language or some suggestive dialog PG 13 Parents Strongly Cautioned This programming contains material that parents may find unsuitable for younger children under the age of 13 It contains one or more of the following violence sexual situations coarse language or suggestive dialog R Restricted This programming is specialy designed for adult Anyone under the age of 17 should only view the this programming with an accompanying parent or adult guardian contains one or more of the following intense violence intense sexual situations strong coarse language or intensely suggestive dialog NC17 No children under the age of 17 will be admitted This type of programming should be viewed by adult only It contains graphic violence explicit sex or crude indecent language X Adult only This type of programming contains one or more of the following very graphic violence very graphic and explicit sexual acts very coarse and intensely suggestive language 24 TV Ratings TV broadcaster
54. RE BARE JUMPER R200 _ RE BARE JUMPER 12737 RE BARE JUNPER 65 RE BARE JUMPER 75 RE BARE JUMPER 75 15 pee RE BARE JUMPER TM rr WIRE BARE JUMPER 7 5 MASS WIRE BARE JUMPER 75 RE BARE JUMPER 9 01 RE BARE JUMPER aues RE BARE JUNPER 85 rr RE BARE JUMPER 95 4114009500 WIRE BARE JUMPER 95 1 7 Chassis M123A Remarks Colour Television lt gt lt sS gt lt gt gt gt lt lt gt lt lt lt gt 10 80 1580 1580 20 8 23 258 23 1 lt gt c lt gt gt c 5 gt lt gt gt lt lt gt lt gt lt gt 65 80 65 80 10 8 158 30580 150508050 45 TRA4M5 0Y0 46 2059081 46 33079 46 33079 46 33079W 05X 46 35179W 04X T RCAQ40 KX0 11010200 5 gt 5 gt gt
55. SD3 small tablemat wristband connection box extension cable and ground cable Wristbandtester 4822 34413999 Together with the deflection unit and any multi pole unit flat square picture tubes form integrated unit The deflection and the multi pole units are set optimally at the factory Adjustment ofthis unit during repairis therefore not recommended Be careful during measurements inthe high voltage section and onthe picture tube Never replace modules or other components while the unit is switched ON When you align the set use plastic rather than metal tools This will prevent any short circuits and the danger ofa circuit becoming unstable 2 4N Measure the voltages and waveforms with regard to the chassis tuner ground or hot ground depending onthe area of circuitry being tested The voltages and waveforms shown in the diagrams indicative Measure them in the Service Default Mode see chapter 5 witha color bar signal and stereo sound L 3 kHz 1 kHz unless stated otherwise and picture carrier at 475 25 MHz PAL 61 25 MHz NTSC channel 3 Where necessary measure the waveforms and voltages with and without aerial signal Measure the voltages inthe power supply section both in normal operation and in standby These values are indicated by means of the appropriate symbols The picture tube panel has printed spark gaps Each spark gap is connected betwee
56. T 50 tint level TV mode TNTCV 50 tintlevel AV mode Menu 6 Remote key 6 Item Remark ST3 50 Sharpness TV mode 3 58 system 5 3 50 Sharpness AV mode 3 58 system 4 50 Sharpness AV mode other system SVD 50 Sharpness DVD mode ASSH Asymmetric sharpness 04H bit 7 5 SHPX Maximum sharpness SHPN Minimum sharpness Menu 7 Remote key 7 Item Remark MOD1 Bit 0 Bit 1 under factory mode 00 11 STD 01 IRC 10 HRC Bit 2 STD IRC HRC 1 usercontrol 0 under factory mode Bit 3 1 forbid CATV 95 96 97 Bit 4 Bit 5 1 have CCD Bit 6 1 have V CHIP Bit 7 1 as Monitor TV mode MOD2 Bit 0 Bit 1 Speed of searching Bit 2 High sensitivity 1 yes 0 Bit 3 Volumecontrol 1 PWM Bit 4 AV1 1 yes 0 no Bit 5 AV2 1 yes 0 no Bit 6 YUV 1 yes 0 no Bit 7 MOD3 Bit 0 Bit 1 Bit 2 59 Colour Television Chassis M123A 9 AlignmentProcedures Bit3 5 TV MSPAVL 1 yes Bit6 MSPAVL 1 5 MONO SAP 1 yes 0 no OPT BitO When blue background off mute pin of CPU 0 audio mute 1 audio mute off Bit1 When blue background off external mute pin of CPU 0 audio muteon 1 audio mute off Bit2 When change channel 0 picture muteoff 1 picture mute on Bit3 Switch between TV and CATV change channel inthe tune menu 1 picture mute on Bit4 AFT MUTE1 ON Bit5 Polarity ofTint Bit6 1 TDA98500 0 no 1 yes Can t beset to 1
57. V is set to AV1 S video AV2 or YUV Press TV AV repeatedly to get to the TV channels Colour Television 3 Directions for Use 3 11 Adding or Erasing Channels You can add or erase channels from the list s memory 1 O Uu WN Using the Number buttons select the channel you wish to add or erase Press MENU to see the menu Press VOL or VOL to highlight Preset Press CH to enter Preset submenu Press CH or CH repeatedly to highlight Add Erase Press VOL or VOL to choose Add or Erase If you select Add the channel will be available when you press CH and CH to move through channels Choosing Erase will remove the channel from the TV s memory The channel will not be available when you flips through channels with the CH and CH buttons Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action Helpful Hints You cannot select Preset if the TV is set to AV1 S video AV2 or YUV Press TV AV repeatedly to get to the TV channels Chassis M123A Add Erase Erase Colour Television Chassis M123A 3 Directions for Use 3 12 Picture Adjustmentt To adjust your TV picture select a channel and follow the steps below 1 Press MENU to seethe menu 2 Press CH to enter Picture Submenu 3 Press or CH r
58. Wave Shape IJ Period Vpp 15 74 64 2 KHz US 1 15 74 64 10 88 kHz US V WF2 60 16 7 135 7 KHz ms 4 60 16 7 2 95 KHz ms WE 5 60 16 7 4 94 KHz ms V WF 6 3 15 74 64 WF 3 kHz us 5 50 Colour Television 7 11 Faultfinding and Test point with Waveform Diagram Chassis M123A Wave Shape NO Wave Shape Period 2 WE 7 15 74 64 345 kHz us mV 64 319 n V a WF 9 pul 15 74 64 KHz US 60 16 7 174 KHz ms mv 15 74 64 93 2 WF 11 47 mA kHz us V Colour Television Chassis M123A 8 PCB 8 1 Main PCB
59. agram 5 1 Faultfinding Figure 9 Tuning Control doesn t work Check the power Symptom supply of IC201 Tuning Control Are there H amp V doesn t work Check R408 R406 D404 C422 flyback pulses at P12 of IC201 Press STANBY key on R C Can the TV be turn on and turn off Check Replace 1C201 Check Repair 33V Does the channel power supply number display on the screen Check Replace Check the the tuner waveform Is there the Is the Start auto at 57 short circuit 33V 5 search Is the 58 of around the VA er 1 BUS ok 1 201 integration Check Repair suppl 2 circuit the integration Is there sync the searched program Replace IC201 pulse at P62 5 of IC201 be memorized Check Repair 5V Is there sync pulse at B power supply of Q003 Check Q210 Q211 and the peripheral Replace Q003 circuit 39 Colour Television Chassis M123A Is there any change on Check the remote control the voltage level at receiver and transmitter P64 of IC201 Is the 5 at P9 and P55 of 1 201 ok Check 0002 and peripheral circuit Is there the 8MHz 5Vp p Are C021 C022 sine wave oscillations at P6 and X001 ok of IC201 Replace the disabled components Have P5 of IC201 shorted to GND in an instant Can the Check Replace 1C201 work IC201 Check Repair the reset circuit 40 Colour Television Chassis M123A 6 Block Diagram and
60. aintenance Instructions It is recommended to have a maintenance inspection carried out by qualified service personnel The interval depends on the usage conditions When the setis used under normal circumstances for example ina living room the recommended intervalis hreeto five years When the setis used an environment with higher dust grease or moisture levels for example ina kitchen the recommended interval is one year maintenance inspection includes the following actions 1 Performthe general repair instruction noted above 2 Cleanthe power supply and deflection circuitry on the chassis 3 Cleanthe picture tube panel and the neck ofthe picture tube 4 Colour Television Chassis M123A 2 3 Warnings orderto prevent damage to ICs and transistors avoid all high voltage flashovers In order to prevent damage to the picture tube use the method shown Fig 2 1 to discharge the picture tube Usea high voltage probe and multi meter position VDC Discharge until the meter reading is 0 V AlllCs and many other semiconductors are susceptible to electrostatic discharges ESD _ Careless handling during repair can reduce life drastically When repairing make sure that you are connected with the same potential as the mass of the set by wristband with resistance Keep components and tools also at this potential Available ESD protection equipment Complete kit E
61. alance of M123A chassis be adjusted automatically as following Press IC BUS button under factory mode the TV set will adjust automatically 6 Adjustment of Sub brightness Apply the Grey scale Color bar NTSC signal to the AV input in normal status Select BRTC to adjust sub brightness until that the 2 dark bar of 8level Grey scale just can be seen 7 PAL picture geometric adjustment menu 3 56 55 HZ horizontal center of 60 50 HZ Source Menu 2 HIGH6 HIGH5 vertical amplitude VCENS VCEN6G position of vertical center VP60 VP50 vertical position VLIN6 VLIN5 vertical linearity VSC6 VSC5 V S Correction 8 initialization press sound effect under factory mode the set will initialize until OK appears on the screen which means the initialization is finished After initialization the set will quit factory mode Automatically 57 Colour Television Chassis M123A 9 AlignmentProcedures Factory settings D mode Enter D Mode by pressing D Mode ON OFF key and then you canenter the D mode S mode Enter S Mode by pressing VOLUME DOWN key onthe unituntil the volume decrease to minimum level then press the DISPLAY key on the remote handset don t releasethe volume key and youcan enter S mode After enter D mode or S mode press OK then press program up down to select menu from menu 1to menu 22 press OK to enter the menu press program up down to selectitem press volume up down to adjust th
62. an S Video Out jack S Video provides clearer picture than the standard CVBS video the yellow jack Choose the VIDEO1 channel to view material playing pn equipment connected to the S VIDEO IN jack Use either S VIDEO IN jack or VIDEO IN1 jacks Do not use both at the same time for the same piece of equipment This would interfere with the picture display If both are used S VIDEO IN has priority over the yellow VIDEO In1 jack Colour Television Chassis M123A 3 Directions for Use 3 4 Basic to Antenna Connection Television 1 Press POWER to turnon the TV 2 Press VOL to increase the sound level Press To lower the sound level 3 Press CH v or to select TV channels 4 Press MENU to see the TV s on screen menu In the menu use VOLY and v a button to make adjustments or selections You press MENU on either the remote control or the front of the TV to access or remove the menu Remote control 5 Point the remote control toward the remote sensor on the front of the TV when operating the TV with the remote control Battery Installation To load batteries into the remote control Remove the battery compartment lid on the rear of the remote Press in the tab then lift off the lid Place two AAA batteries the remote Be sure the and ends of the batteries line up correctly as marked inside the r
63. arrier distance is 6 5 MHz is Band 1 1 all bands except for Band Low Noise Amplifier Large Screen Loudspeaker Large signal panel MonochromeTV system Sound carrier distance is 4 5 MHz Multi standard Sound Processor sound decoder Mute Line Not Connected Near Instantaneous Compounded Audio Multiplexing This is a digital sound system mainly used in Europe NationalTelevision Standard Committee Colour system mainly used in North America and Japan Colour carrier NTSC M N 3 579545 MHz NTSC 4 43 4 433619 MHz this isa VCR norm it is not transmitted off air Non Volatile Memory IC containing TV related data e g alignments Option Byte Open Circuit OnScreen Display Phase Alternating Line Colour system mainly used in West Europe colour carrier 4 433619 MHz and South America colourcarrier PAL M 3 575612 MHz and PALN 3 582056 MHz Printed Circuit board Picture Picture Phase Locked Loop Used for e g tuning systems The customer can give directly the desired frequency Power On Reset Progressive Scan Scan mode where all scan lines are displayed in one frame atthe same time creating a double vertical resolution Picture Tube Panel or CRT panel Random Access Memory 67 Colour Television Chassis M123A RC RC5 RGB ROM SAM SAP SC SIC 11 List of Abbreviations Remote Control handset Remote Control system5 signalfrom the remote control receiver Red Green Blue Read Only Memory Service
64. atthe sametime Bit 1 MSP34xx 0 no 1 yes Bit 2 1 AV audio out mute when volume is zero or mute Bit 3 1 decreasing contrast when menu on Bit 4 1 OSD don t disappear automatically Bit 5 1 biological Bit6 0 CHLOCK W O V CHIP Bit 7 When turn on 0 child lock off 1 child lock on OPTM2 Bit1 Poweronmode 00 standby 01 previous Bit 2 10 amp 11 force poweron Bit3 Hotel mode 1 on 0 off Bit4 Power onunder hotel mode Bit5 00 TV 01 Video1 02 2 03 Last Bit6 1 underfactory mode turn set by the remote or power off then turn on or power on the set enter factory mode 1 D MODE HDCNT HS FOP Menu 8 Remote key 8 Item Remark RFAGC RFAGC 12H bit 5 0 BRTS Sub brightness for SECAM OSD Horizontal position of OSD OSDF OSD PLLDATA CCDOSD Horizontal position of CCD OSD CCD OSDF PLL DATA of CCD OSD TXCX OSD intensity when maximum contrast RGCN OSD intensity when minimum contrast 60 Colour Television 9 AlignmentProcedures Menu 9 Remote key 9 Item V01 V25 V50 V100 VOLMAX CURTCEN VOLX PWTM Remark Volume 1 Volume 25 Volume 50 Volume 100 Max volume under hotel mode Center ofthe curtain Output gain of PIN28 of TMPA8823 or MSP34x5 When use PWM to mute and no sound when changing channel this item should be minimum as posible Menu 10 Remote key 0 Item MDOE4 5 MDOE6 Remark BitO TV Colorsystem AUTO 1 yes 0 no Bit1 TV Colorsystem NTSC358 1 yes 0 no Bi
65. ble You cannot select Preset if the TV is set to AV1 S video AV2 or YUV Press TV AV repeatedly to get to the TV channels 12 TV CATV CATV Colour Television Chassis M123A Directions TOF Use 3 8 Auto Search Setting TV Channels You can set your TV to receive local TV channels From an antenna or Cable TV channels when you have Cable TV service Then use AUTO SEARCH to set up channels that are available for you This makes it easy for you to select only the available TV stations when you press or CH Before you start AUTO SEARCH connect the Antenna or Cable TV signal as detailed on pages five six set TV CATV as described on 11 Press MENU to seethe menu Press VOL or VOL to highlight Preset Press CH to enter Preset submenu Auto search Press CH or CH repeatedly to highlight Auto search Ah N Press VOL to start programming TV channels Press the VOL if you need to stop channel programming during the process Please Wait When channel setup is complete the Stop TV willgo toits lowest channel Helpful Hints Press CH or CH to see which channels are in the TV s memory You can still select non memorized channels using the Number buttons on the remote control To delete unwanted channels from the TV s memory or to add more channel
66. ction Helpful Hints If the power fails you must reset the clock Colour Television 3 Directions for Use 3 15 On Timer To turn on the TV to a specific channel at a specific time use the On Timer Before you begin set the clock correctly Details are on page 17 1 Press MENU to see the menu 2 Press VOL VOL to highlight Timer 3 Press CH to enter Timer submenu Press CH or CH repeatedly to highlight Channel 5 Press VOL or VOL to enter the channel number This will be the channel to which the TV turns on at the specified time 6 Press CH or CH repeatedly to highlight TV CATV 7 Press VOL or VOL to select TV or CATV depending on whether you have Cable TV service or not Details are 11 Press CH or CH repeatedly to highlight On time Press VOL or to select Once or Daily Off If you select Once the timer will turn on the TV onetime within the next 24 hours only If you select Daily the timer will turn on the TV atthe same time and to the same channel every day Choose Offto cancel the On timer 10P ess CH or CH repeatedly to highlight 0 00 under the line of OnTime 11 Press VOL VOL to enter the On time Hold down VOL or VOL to change the time quickly in 10 minutes increments This will be the time at which the TV willturn itself on 12 Press MENU repeatedly to remove the menu from the screen or menu will qu
67. e hearing impaired on screen text boxes will show dialog conversation and activity during TV programming 1 Press MENU to seethe menu Press or VOL to highlight Feature 3 Press CH to enter Feature submenus 4 Press CH or CH to highlight C Capt Press VOL or VOL to select the closed caption you want Off C1 C2 or C Mute C Mute sets the TV to show closed caption when you press MUTE The TV volume will be disabled until you press MUTE again to restore the sound 6 Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action Helpful Hints Not all TV programs and commercials are broadcast with Closed Caption information Neither are all Closed Caption modes transmitted by a station for a closed caption program See your TV listings for the stations and times of Closed Caption shows 00O Colour Television 3 Chassis M123A Directionsfor Use 3 18 Sleep Timer Have you ever fallen asleep in front of the TV only to have it wake you up at two in the morning with a test pattern screeching in your ears Well your TV can save you that trouble by turning itself off 1 Press SLEEP The sleep display will appear onthe screen 2 Within five seconds press SLEEP to pick the amount of time in 10 minutes decrements before the TV will turn itself off
68. e setting Press D mode again to quit factory mode Youcan alsoenter menu 1 to menu 19 directly by pressing digital button 1 9 0 notebook Display Sleep Calendar System INS Favourite Return Picture Menu 1 Remote key 1 Item Remark RC R cut off setting GC Gcut offsetting BC B cut off setting GD G drive setting BD B drive setting Menu 2 Remote key 2 Item Remark HIGH5 Height 50Hz VP50 Vertical position 50Hz VLINS Vertical linearity 50 2 VSC5 Vertical 5 correction 50Hz VBLK5 Vertical blanking start amp stop 1C bit 3 0 5 Vertical center 50Hz Menu 2 Remote key 2 Item Remark HIGH6 60Hz height VP60 Vertical position VLING 60Hz Vertical linearity VSC6 Vertical S correction 60Hz VBLK6 Vertical blanking start amp stop 1CH bit 3 0 VCEN6 Vertical center 60Hz Menu 3 Remote key 3 Item Remark HPOS5 Horizontal position 50Hz Menu 3 Remote key 3 Item Remark HPOS6 Horizontal position 60Hz 58 Colour Television Chassis M123A 9 AlignmentProcedures Menu 4 Remote key 4 Item Remark CNTX Maximum contrast CNTN Minimum contrast BRTX Maximum brightness BRTN Minimum brightness COLX Maximum color COLN Minimum color TNTX Maximum tint level TNTN Minimum tint level Menu 5 Remote key 5 Item Remark BRTC 50 brightness COLC 50 color COLP Color levelfor PAL SCOL UV gain 06H bit6 4 SCNT Sub contrast 06H bit 3 0 CNTC 50 contrast TNTC
69. ed with yellow You can connect the antenna or Cable TV signal to either the ANTENNA IN jack on your VCR or to the 75 OHM ANTENNA INPUT jack on the TV If you connect it to the VCR choose TV channels at the VCR Connect it to the VCR if you want to record TV programming through VCR Your VCR may not have Audio and Video Out jacks but only an RF or ANTENNA OUT jack Use an Therefore coaxial cable to connect the VCR s ANTENNA OUT jack to the TV s 750HM ANTENNA INPUT jack There are Component Video In jacks on the rear of the TV These are labelled DVD Y Cb and Cr and are red blue and green Use these to connect a DVD player that has Component Video Out jacks This will provide the best picture quality Use Component Video cables which are not supplied with the TV you connect the DVD player to the DVD jacks set the TV to YUV channel to watch DVD s Press TV AV button on the remote so YUV appears on the TV Screen Use either DVD or VIDEO In2 jacks but do not use both for the same piece of equipment You only need one video connection per each accessory DVD player etc DVD INPUT There are AUDIO and VIDEO IN1 jacks at the lower right corner of the rear of the TV set To view material playing on equipment connected here press TV AV so VIDEO 1 is on the TV There is also an S VIDEO IN jack in this area Use S Video connection if your DVD player camcorder etc has
70. emote Reattach the battery compartment lid Helpful Hints The channel number will appear briefly when you change channels Or press DISPLAY on the remote to see the channel number Press TV AV on the front of the TV to choose 1 S Video AV2 or YUV Colour Television TV AV Button Press to select TV channels or the Audio Video IN channels AV1 S VIDEO AV2 or YUV A CH Button In TV mode press to return to the previous channel Note in AV mode press A CH to only enter TV mode DISPLAY Press to see the current channel number on the TV screen Press again to display the current time on the screen Press to remove a menu from the screen B MTS SLEEP Button 20 Press to select a time period 120 minutes to 10 minutes in 10 minutes decrements after which the TV will turn itself off Details are on page 22 MTS Button Press to select a sound mode if available with the programming MONO STEREO SAP and MONO SAP Details are on page 31 MENU Button Press to see the TV s on screen menu Press to go back to the previous menu or to remove a menu from the screen FAVORITE Button Press to browse the channels preset in Favorite List Details are on page 14 SMART PICTURE Button Press to select one of the four picture settings Personal Movies Sports Weak Signal Details are on page 17 VOL volume Button Press to adjust the TV sound level
71. ency accordance with the frequency and phase information carried by composite sync signal PLL generates scan clock signal with 32fh and horizontal drive pulse will be obtained through 32fh countdown Use integrating circuit to extract vertical sync signal from the composite sync pulse to control the counter for vertical countdown The counter countdown the 32 clock signal thus vertical frequency sync pulses under various systems canbe obtained TMPA8802 includes the vertical SW former sawtooth wave former and can control the gain and linear of SW sawtooth wave Therefore the vertical amplitude control and the linearity correction of the scanning raster can be achieved by setting the datawith remote controllervia bus input S Sound Channel he second SIF goes via afilter of 4 5MHz to MSP3425 Then decoded by MSP3425 the second SIF turns into sound signal of MONO STEREO and SAP The sound signal processed by inner sound effect input to TDA7057AQ and drive the speakers to restorethe sound MONO STEREO SAP and sound effectprocessing modes areadjusted via l C bus 7 Remote ControlSystem he MCU TMPA8802 of an8 bit CPU andthe software constitute the control core of the remote control system mainly accomplishing the following functions decoding remote control commands auto search memory displaying characters amp patterns switchingthe signal sourcebetween AV and TV Infrared remote control transmitter is composed
72. epeatedly to highlight your choice Color Brightness Contrast Sharpness Tint Blue Back background Noise Red reduction C Temp color temperature Press VOL or VOL to increase or decrease the element you choose However you can turn Blue Back or Noise Red to only On or Off see below And choose Warm Cool or Normal mode for color temperature Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action Helpful Hints Color Add or reduce color Brightness Brighten the darkest parts of the picture Contrast Adjust the distinction between the black and white parts of the picture Sharpness Improve picture detail Tint Obtain natural skin tones Blue Back Turn this option ON or OFF If you choose ON a solid blue background screen will appear if the TV is on a weak channel for example if the reception is very poor or if the station has gone off the air for the night After being on such a channel for 15 minutes the TV will turn itself off automatically Noise Red Turn this option ON or OFF If you choose ON it will reduce the video noise C Temp Set this option to Normal Warm or Cool mode Contrast Sharpness Temp Norma Noise Red Off Blue Back Colour Television 3 Directions for Use
73. es Menu 14 Remote key SLEEP Item Remark 1 0 AFC gain TV mode 1CH bit5 4 Bit3 2 AFC mode 1CH bit 5 4 AGCC NOIS ONTM V mutetiming when power on 01H 16ms NSHP Decreased level of sharpness when noise reduction is on PVLVL X ray protection start point 00H OV amp 5V PLMT 01H 8ms Menu 15 Remote key CALENDAR Item Remark RC C R cut off setting for cool color temperature GC C G cut off setting for cool color temperature BC C B cut off setting for cool color temperature GD C G drive setting for cool color temperature BD C drive setting for cool color temperature Menu 16 Remote key SYSTEM INS Item Remark RC W R cut off setting for warm color temperature GC W G cut off setting for warm color temperature BC W B cut off setting for warm color temperature GD W G drive setting for warm color temperature BD W B drive setting for warm color temperature YUVGC YUV Rcut off YUVBC YUV Bcut off Menu 17 Remote key FAV Item Remark D COL Dynamic color D BRI Dynamic brightess D CON Dynamic contrast D SHP Dynamic sharpness Menu 18 Remote key RETURN Item Remark S COL Standard color S BRI Standard brightess S CON Standard contrast S SHP Standard sharpness 63 Colour Television Chassis M123A 9 AlignmentProcedures Menu 19 Remote key PICTURE Item Remark M COL Mild colour M BRI Mild brightess M CON Mild contrast M SHP Mild sharpness Me
74. f you choose MONO SAP pressing the MTS button you will hear both the Second Audio Program and the regular MONO monaural or single channel audio simultaneously 32 Colour Television Chassis M123A 4 Mechanical Instruction Index 1 Rear Cover Removal 2 Service Position Main Panel 3 Side I O Panel Removal 4 Rear Cover Mounting Note Figures can deviate slightly from the actual situation due to different set executions 4 1 Rear Cover Removal 1 Remove all fixation screws of the rear cover 2 Now pull the rear cover backward and remove it 4 2 Service Position Main Panel 1 Remove the main panel by pushing the two center clips outward lt 1 gt At the same time pull the panel away from the CRT lt 2 gt 2 Disconnect the degaussing coil and load speaker connector 3 Move the panel somewhat to the right and flip it 90 degrees lt 3 gt with the components towards the CRT 4 3 Side Panel Removal 1 Remove the complete Side I O assembly after unscrewing the 2 fixation screws 1 2 Release the two fixation clamps 2 and lift the L board out of the bracket Figure 4 2 22 4 4 Rear Cover Mounting Before you mount the rear cover perform the following checks 1 Check whether the mains cord is mounted correctly in its guiding brackets 2 Replace the strain relief of the AC power cord into the cabinet 3 Check whether all cables are replaced in their original pos
75. from the screen or menu will quit after few seconds without further action Helpful Hints If the reception is poor you can select Fine to fine tuning the channel upward or down ward till you are satisfied Channel 60 Helpful Hints You cannot select Preset if the TV is set to AV1 S video Av2 or YUV Press TV AV repeatedly to get to the TV channels Colour Television Chassis M123A 3 Directions for Use 3 10 Favorite Channel Setting You can store five channels you prefer into the Favorite list and recall these channels easily by press the FAVORITE button on the remote control 1 Press MENU to seethe menu 2 Press VOL or VOL to highlight Preset Press CH to enter Preset submenu Press CH or CH repeatedly to highlight Favorite list Press OK to display features of Favorite list TV CATV is highlighted Press VOL or VOL to select TV or whichever you have Favorite list O U A W TV CATV 7 Press CH or CH to select CH3 or Ch1 Ch2 Ch4 Ch5 then Press VOL or VOL to enter a channel number you want to store at this position suchas CATV 8 8 Press MENU repeatedly to remove the menu from the screen menu will quit after a few seconds without further action Helpful Hints You cannot select Preset if the T
76. he reading of the colour analyzer to X 284 Y 299 Separately set the brightness and contrast from min to max repeat step 2 until The reading of the colour analyzer is correct 56 Colour Television Chassis M123A 9 AlignmentProcedures 3 Alignment of warm colour temperature 1 Change Color Temperature to warm status 2 Use acolour analyzer to measure the black side of the screen By changing the value of RC W GC W and BC W set the reading ofthe colour analyzer to X 296 Y 294 3 Use acolour analyzer to measure the white side of the screen By changing the value of GD W BD W reading of the colour analyzer to 296 Y 294 4 Separately brightness and contrast from min to max repeat the step 2 and 3 until the reading of the colour analyzer is correct 4 Alignment of cold colour temperature 0 Change Color Temperature to cold status Use a colour analyzer to measure the black side of the screen By changing the value of RC C GC C BC C setthe reading of the colour analyzer to X 279 Y 265 3 Use acolour analyzer to measure the white side of the screen By changing the value of GD C BD C reading of the colour analyzer to X 279 265 4 Separately brightness and contrast from min to max repeat the step 2 and 3 until the reading of the colour analyzer is correct Note Provided production line is equipped with the self White balance adjusting equipment white b
77. is disabled BLOCK UNRATED All unrated programs based on Movies Ratings or TV Ratings will be blocked if this feature is ON and MASTER ENABLE is ON BLOCK NO RATING All programming with no content advisory data will be blocked if this feature is ON and MASTER ENABLE is ON Press VOL or VOL to turn the blocking option On or Off Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action 28 Enter secret code OMPAA rating Colour Television Chassis M123A 3 Directions for Use 3 24 Child Lock Child Lock allows you to lock the buttons on the front of the TV 1 Press MENU to seethe menu 2 Press VOL VOL to highlight f Feature 3 Press CH to enter Feature submenus 4 Press CH or CH to highlight Child Lock Choose ON to disable all the buttons on the front of the TV Child Lock On will appear on the TV screen each time when you press the button on the front ofthe TV You can still operate the TV with the remote control You can still use the POWER button on the front of the TV C but only to turn off the TV not on Set 7 Child Lock to Offto cancel this feature gt so you can use the buttons UM mee front ofthe TV again 0 08 9 MTS FAVORITE Mure Child Lock
78. it Check EEPROM 35 Colour Television Chassis M123A Symptom raster ok no 5 Faultfinding and Test Point with Waveform Diagram picture no sound sparse noise dots 5 1 Faultfinding Figure 5 Sparse noise dots Apply the pointer of multimeter at R X 1 connect one probe to GND use another to touch P42 of IC101 Are there Check and repair interference particles P29 P36 the 9V power flashing on the screen IC201 ok supply 1 Bridge a capacitor of 1000pF between Unsolder a pin of C110 apply the 1 Does the IF the input and output of Z101 Apply pointer of multimeter at RX 1 K pre amplifier the pointer of multimeter at R X 1 K Q connect the red probe to work connect the red probe to GND GND use the black probe to normally and use the black probe to touch B of touch of 0101 Are there Q101 Are there interference particles interference particles flashing on 3 flashing on the screen e screen Check amp repair the IF pre AMP circuit Replace the Tuner Replace Z101 SAW 36 Colour Television Chassis M123A 5 Faultfinding and Test Point with Waveform Diagram 5 1 Faultfinding Is the speaker Replace the speaker No sound Figure 6 No Sound Replac Apply the pointer of multimeter at eIC601 NE RXIK 9 connect one probe to GND use another to touch P3 P5 of Check power Is it mute at supply of Pin 1 of IC601 IC601 Check Replace Q604 Q60
79. it after a few seconds without further action 20 Chassis M123A Channel 12 TV CATV TV Colour Television Chassis M123A 3 Directions for Use 3 16 OFF Timer To turn off the TV at a specific time every day use the Off Timer Before you begin set the clock correctly Details are on page 17 1 Press MENU to seethe menu 2 Press VOL or VOL to highlight Timer 3 Press CH to enter Timer submenu Press CH or CH repeatedly to highlight Off time m Off Time Press VOL VOL to Once or Daily Off If you select Once the timer will turn off the TV one time within the next 24 hours If you select Daily the timer will turn off the TV atthe same time every day Choose Offto cancel the Off timer 6 Press CH or CH repeatedly to highlight 0 00 under the line of Off Time 7 Press VOL or VOL to enter the Off time Hold down VOL or VOL to change the time quickly in 10 minutes increments This will be the time at which the TV will turn itself off 8 Press MENU repeatedly to remove the menu from the screen or menu will quit after a few seconds without further action 21 Colour Television Chassis M123A 3 Directions for Use 3 17 Closed Captoins Closed captions CC lets you read the voice content of TV programs on the TV screen Designed to help th
80. ition Colour Television Chassis M123A 5 Faultfinding and Test Point with Waveform Diagram 5 1 Faultfinding Is the drain of Is D815 D818 Replace Q801 shorted 2 D815 D818 to earth Figure 1 Fuse Blown Yes Check IC801 and the peripheral Cheek Replace components Q801 No raster Figure2 No Raster Abnormal B abnormal B Is the B Check IC802 and their resistance to earth peripheral components ok Check Q830 Q831 Q832 etc Check the load of 34 Colour Television Chassis M123A 5 Faultfinding and Test Point with Waveform Diagram 5 1 Faultfinding No raster B Voltage OK Is the voltage Is Check Q402 of in 25 of waveform at PIN i and LOT Is the output Check R233 C231 voltage of IC401 and C233 9y No Raster B OK Figure3 Replace IC201 Figure 4 No Picture dense noise dots No picture dense noise dots Is the signal at Pin41 Pin42 of Check Replace Is the antenna feed line 1 201 1 201 adapter broken 5 or Check the relative 5 M circuit of Q101 tuner 7101 ete Handing the antenna fault Is the signal at Pin Yes 15 supply Yes Check Replac SCL SDA of tuner ok voltage of tuner e Tuner Check signal at P57 P58 of 1C201 and replace abnormal relative circuit Check Replace power supply circu
81. ment Adjustment Y Center amp Amplitude Pincushion correction amp Sub and OSD adjustment 4 Horizontal Amplitude adjustment lt Dress Adjustment 2 Adjustment of voltage 1 Apply 120VAC 5V to mains power input and Philips standard testing pattern to RF input 2 Adjust VR830 in STANDARD mode until voltage at TP2 Bt is 106V 0 5V 3 RF AGC adjustment Observe monitor the collector waveform of Q101 withthe probe of Oscilloscope as illustration below Select channel 2 gt 70dB from the antenna input Enter D mode select to adjust RFAGC item until the monitor peak value to 0 8V 4 Screen Focus voltage adjustment Apply pattern signalin normal status enter D mode press TV AV button to turn vertical output Adjustthe SCREEN switch onthe flyback transformer to make a horizontal shining line just visible onthe screen Turnon the vertical output adjust the FOCUS onthe flyback transformer to obtain the optimum focus 5 White balance adjustment 1 Apply the black and white patternin normal status 2 Alignment of normal colour temperature Change Colour Temperature to normal status Use a colour analyzer to measure the black side of the screen By changing the value of RC GC and set the reading of the colour analyzer to X 284 Y 299 Usea colour analyzer to measure the white side of the screen By changing the value of GD set t
82. n electrode ofthe picture tube and the Aquadag coating Thesemiconductors indicated the circuit diagram and inthe parts lists are completely interchangeable per position with the semiconductors in the unit irrespective of the type Indication onthese semiconductors Colour Television Chassis M123A 3 Directions for Use 3 1 Basic Cable TV Connection The cable TV signal into your home may be a single cable 75ohm or may include a cable Box In either case the connection tothe TV is easy If your Cable TV signal comes directly via a 75ohm coaxial cable use the following steps 1 Connect the Cable TV signal to the 75 OHM ANTENNAINPUT jack on the rear of the TV Screw it Plug the TV s powercord intoa power outlet and turn on the TV Set TV CATV to CATV as detailed in 11 Refer to AUTO SEARCH to set up your available channels Details are onpage 12 If you have a Cable Box use the following steps Connect the Cable TV signal to the IN jack onthe Cable Box 2 Connect the separate coaxial cable tothe OUT jack onthe Cable Box and to the 75 OHM ANTENNA INPUT jack on the rear ofthe TV Plug the TV s powercord intoa power outlet and turn on the TV Set TV CATV to CATV as detailed in 11 Set the TV to channel 3 or 4 the same as the Channel3 4 switch on your Cable Box if applicable Change channels at the Cable Helpful Hints An RF coaxial cable to connect the Cable Bo
83. nu 20 no shortcutkey Item Remark SEG POINT1 Highest frequency of VHFL SEG POINT2 Highest frequency of VHFH DATA VL VHFL bandswitch BB DATA VH VHFH bandswitch BB DATA UF UHF bandswitch BB SPE POS1 The channel number treated specially SPE DATA1 Bandswitch in which the special channel BB SENSI ON SENSI OFF Menu 21 no shortcutkey Item Remark THEATER BAS Theater bass THEATER TRE Theater treble CONCERT BAS Concert bass CONCERT TRE Concert treble BROCAST BAS Brocast bass BROCAST TRE Brocast treble Menu 22 no shortcutkey Item Remark VOL MAI VolumeLoudspeaker GATE Carrier Mute VOL OUT AVoutput gain AVGAIN AVinput Gain Note Provided the production line is equipped with the self adjusting equipment The adjusted item should be based on the result by such equipment There s difference between PAL geometric OSD adjustment and NTSC geometric OSD adjustment PAL adjustment must be done before NTSC adjustment 64 Colour Television Chassis M123A 10 Circuit Description 1 Tuner he function of the tuner is to select the channel to be received and suppress the interference to amplify the high frequency signal toimprove the receivingsensitivity and SNR to generate PIF signal through frequency conversion 2 IF Channel fe IF Channel mainly ensures the sensitivity and selectivity of the complete machine The IF AMP integrated in TMPA8802 is made up of the third stage dual differential amplifier with gain val
84. of the special single chip and the keyboard system The transmitter translates the commands represented by R C keys into function codes and separately demodulates the 37 9KHZ carrier and 940nm infrared ray twice to generate remote infrared transmitting signal delivered by infrared LED The remote control distance isn tless than 8 meters With infrared LED the remote control system converse the optical signalinto electrical signal which will beamplified and decoded to restorethe codes ofthe remote controlcommands for MCUto analyze andexecute The remote control system has three operating modes user controlled mode U mode service mode S mode and factory default mode D mode U mode includesthe following functions channel search and memory channel selecting volume control brightness adjustment contrast andcolor adjustment S modeand D mode aremainly used in production checking amp repairing including the following functions horizontal amp vertical centering control vertical amplitude and linearity adjustment setting the adjusting range forvolume contrast brightness tint and color geometric adjustment and white balance adjustment 8 CRT Drive Circuit dopting the cascodeto amplify voltage and current of R G B signal the drive circuitis able todemodulate the cathode beam currentof the CRT The R G B signal the cascode circuit is ofnegative polarity 8 Power Supply Circuit he circuit supplies variou
85. olence V explicit sexual situations S or crude indecent language L Colour Television Chassis M123A 3 Directions for Use 3 20 Parental Lock Secret Code Over the next few pages you will learn how to block programs and understand the rating terms for certain broadcasts First set a secret code 1 Press MENU to see the menu 7 Press VOL or VOL to highlight f Feature 3 Press CH to enter Feature submenus 4 Press CH or CH to highlight P Lock 5 Press OK The display asking you to Enter secret code will appearon the screen If you want to set a new code go on the steps 6 8 directly Or you can press the Number buttons to enter a four digit code The code 0000 is the default of the TV If you have not set up a code previously then 0000 is the code 6 Press on the remote and the CH button on the front of the TV at the same time The display asking you to Enter new code will appearon the screen 7 Press the Number buttons to enter a four digit code The code will appear onthe screenas you enter it 8 Press to savethe code 9 Press MENU repeatedly to remove the menu from the screen or menu will quit after few seconds without further action Helpful Hints You cannot change Parental Lock settings without knowing the secret code If your code changes or someone else has altered it and possibly viewed blocked channels 25
86. on For Use description for end user DNR Dynamic Noise Reduction DSP Digital Signal Processing DST Dealer Service Tool special remote control designed for dealers to enter e g Service mode DVD Digital Versatile Disc EEPROM Electrically Erasable and Programmable Read Only Memory Extra High Tension EHTINFORMATION Extra High Tension information EU Europe EW East West relatedto horizontal deflection ofthe set EXT External source entering the set via SCART or Cinch FBL Fast Blanking DC signal accompanying RGB signals FILAMENT _ Filament of CRT FLASH Flash memory FM Field Memory 66 Colour Television Chassis M123A FM HA HFB HP Hue 12C IF IIC ITV LATAM LED LIL NVM OB 050 PAL PCB PIP PLL FST POR PTP RAM 11 List of Abbreviations Frequency Modulation Horizontal Acquisition horizontal sync pulse coming out of the HIP Circuit Description GB 69L01 2A 9 Horizontal Flyback Pulse horizontal sync pulse fromlarge signal deflection Headphone Colour phase controlfor NTSC not the same as Tint Monochrome TV system Sound carrier distance is 6 0 MHz Integrated IC bus Intermediate Frequency Integrated IC bus Interlaced Scan mode where two fields are used to form one frame Each field contains half the number ofthe total amount of lines The fields are written causing line flicker institutional TV Latin America Light Emitting Diode Monochrome TV system Sound c
87. or example if R is blocked manually NC17 and X will be blocked automatically To turn a rating OFF set each rating individually 26 Colour Television 3 Directions for Use 3 22 Blocking Programming with Ratings Some program ratings are based on TV industry ratings as described below 1 Press MENU see the menu 2 Press VOL or VOL to highlight amp Feature 3 Press CH to enter Feature submenus 4 Press CH or CH to highlight P Lock 5 Press OK to display the secret code screen 6 Press the Number buttons to enter your four digit code The PLock setup menu appears onthe screen 7 Press highlight TV prenatal guidelines 8 Press OK to display the parental guidelines TV Y TV Y7 TV G TV PG TV 14 or TV MA 9 Press CH to selecta rating 10 Press OK to turn the rating on or off A checkmark appears when the rating is blocked TV Y TV PG can be turned to block viewing or off to allow viewing only TV Y7 TV PG TV 14 and TV MA can be customized to block V violence F fantasy S sexual situations L coarse language or D suggestive dialog To doso continue with these steps 11 Press CH or highlight Content 12 Press OK button to enter the Content menu Press CH to select rating then press VOL 14 Press CH or CH to select the sub ratings Fantasy V Violence Sexual Language or Dialog
88. s see ADD ERASE on page 14 You cannot select Preset menu if the TV is set to AV1 S video AV2 or YUV Press TV AV repeatedly to get to the TV channels Colour Television Directions Tor Use Chassis M123A 3 9 Manual Channel Tunning Fine Tuning Manual Channel Tuning lets you quickly select the next available channel For example if you are looking for a channel between 60 and 70 start the search at channel 60 and go up 1 Press MENU to seethe menu 2 Press VOL or VOL to highlight Preset 3 Press CH to enter Preset submenu 4 Press CH or CH repeatedly to highlight TV CATV Press VOL or VOL to select TV or CATV whichever you have Details are on 11 6 Press CH or CH repeatedly to highlight Channel Press VOL or VOL to enter the channel number at which you want to begin the search 8 Press CH or CH repeatedly to highlight Manual 9 Press to start searching upward for example starting at channel 60 and going up to 61 62 63 etc Press VOL when you find the channel you want This stop the search Otherwise the search will stop atthe first available channel Or press VOL to start searching downward for example starting at channel 60 and going down to 59 58 57 etc Press VOL when you find the channel you want This stop the search Otherwise the search will stop atthe first available channel 10 MENU repeatedly to remove the menu
89. s stabilized operatingvoltages and safeguardprotections 65 Colour Television Chassis M123A 11 List of Abbreviations 2CS 2 Carrier or Channel Stereo ACI Automatic Channel Installation algorithm that installs TV sets directly from cable network by means ofa predefined TXT page ADC Analogueto Digital Converter AFC Automatic Frequency Control control signal used to tune to the correct frequency AFT Automatic Fine Tuning AGC Automatic Gain Control algorithm that controls the video input of the feature box AM Amplitude Modulation AP Asia Pacific AR AspectRatio 4by 3or 16 by 9 ATS Automatic Tuning System AV External Audio Video AVL Automatic Volume Level BC PROT BeamCurrent Protection BCL Beam Current Limitation B G Monochrome TV system Sound carrier distance is 5 5 MHz BLCINFORMATION Black current information BTSC BroadcastTelevision Standard Committee Multiplex FM stereo sound system riginating from the USA andused e g LATAM and AP NTSC countries B TXT Blueteletext cc Closed Caption ComPair Computer aided rePair CRT Cathode Ray Tube picture tube CSM Customer Service Mode Colour Transient Improvement manipulates steepness of chroma transients CVBS Composite Video Blanking and Synchronisation DAC Digital to Analogue Converter DBE Dynamic Bass Enhancement extra lowfrequency amplification DBX Dynamic Bass Expander DIK Monochrome TV system Sound carrier distance is 6 5 MHz DFU Directi
90. t2 TV Colorsystem PALM 1 yes 0 no Bit3 TV Colorsystem PALN 1 yes 0 no Bit4 AVColor system AUTO 1 yes 0 no Bit5 AVColor system NTSC358 1 yes 0 no Bit6 AVColor system PALM 1 yes 0 AVColor system 1 1 yes 0 no Bit0 English 1 yes 0 no Bit1 French 1 yes 0 no Bit2 Portuguese 1 yes 0 no Bit3 Spanish 1 yes 0 no Bit4 Colorsystem PAL443 1 1 yes 0 Bit5 Colorsystem NTSC443 1 1 yes 0 no Bit6 AV AUTO 1 AUTO1 PAL443 50358 NTSC443 0 AUTO2 NTSC358 PALM PALN Bit7 1 search function ofthe menu key onthe front panel Bit1 1 curtain when turn on the set Bit2 1 curtain when turn off the set Bit3 7 V mute timing when changing channel 01H 8ms max 248ms MDOE7 Bit0 When sound mode change Bit1 11 the corresponding modeand ODS display automatically 01 changeto the corresponding modeand ODS doesn t display 00 10 changeto MONO ODS doesn tdisplay Bit2 10 detect and Korea stereo automatically Bit3 01 force BTSC11 force Koreastereo Bit4 FINE 1 yes0 Bit5 50Hz block 1 yes 0 no Bit6 1 contrast change when power on Bit7 61 Chassis M123A Colour Television Chassis M123A MDOES MDOE9 9 AlignmentProcedures Bit 0 America V CHIP standard 1 yes 0 no Bit 1 Canadian V CHIP 1 yes 0 no Bit 2 UNRATED 1 yes 0 no Bit 3 NO RATING 1 yes 0 no Bit 4 Bit 7 Time setting for curtain
91. ue above 70db SNR of 55dB and bandwidth of 6MHZ The video demodulation circuit is made from the built in PLL Sync Detector The spectrum of the demodulation carrier is unitary and notaffected by the content of the video signal Thetuner features stable receptivity while the signal output from the video detector features high fidelity PLL built in TMPA8802 generates 45 75MHz demodulation reference signal for sync detector to demodulate the video signal which iscalled PLL sync demodulation 3 Chroma Signal Decoding Circuit hrough the external BPF band pass filter to single out the chroma signal and burst signal within the range of fsc 1 3MHZ from among the composite signals output from the video detector After being amplified by ACC the chroma signal is fedinto the synchronous detector to be demodulated to obtainthe color difference signal Luminance Channeland Matrix Circuit he luminance channel of TMPA8802 has the black stretch circuit to make the darkish ingredient of the picture turn atrous thus improve the contrastand depth perception of the picture also has the delayed definition enhanced circuit to enable the details of the picture more vivid The luminance signal is sentinto the matrix circuit after being delayed for 0 61 s and composes R G B signal combined with three color differencesignals B Y G Y 5 Separationand Deflection Processing Circuit MPA8802 has the 32fh PLL fh horizontal frequ
92. ur CAP CEROOIUF 5001940086 8 CER OO1UF 50V Colour Television Chassis M123A 12 PartList De 22 RE BARE ROSTE JRE BARE JUMPER SN FROM S07 B TO E JRE BARE JUMPER SNI NIRE BARE JUNPER 7 SNM NRE BARE JUNPER 7 SNM NIRE ATQ 20 16V 120 CRT SOCKET GZS10 2 108 TOU MIREBARE ie a 0 OHM UBI 24 OH m ICAP CER 00050088 ICAP ELEC 22 UF 16V 120 uws 41 541 TRADI __ RED 110100 nij pa jux STSCREM WII 2 Pw
93. x Sound systems FM mono FM stereo 1 Technical Specifications ANN connections NTSC 3 58 2 2 Channel selections TV 2 69 CATV 2 13 A W Note W 1 W 84 A 5 A 1 5A Below described specifications are not valid Aerial input 750HM 1VP P for one product butfor the whole product range 1 1 2 Miscellaneous See Product Survey for specific models Audio output 3W 3W Figures can deviate slightly from the actual Mains voltage AC120V situation due to different set executions Mains frequency 60 Hz 200 Ambient temperature 540 45 deg C m Maximum humidity 90 Tuningsystem PLL Power consumption 80 Colour systems NTSC M Standby lt 3W 1 2 Connections 1 2 1 Side Connections and Front Control A V In 1 Audio R 0 5 Vrms 1k AUDIO L 2 Audio L 0 5 Vrms 1 k wee 3 Video CVBS 1Vpp 175 Svoo 4 S video 1Vpp 75 1 Pu MENU YCH i SENSOR STANDBY POWER SIDE AV PANEL FRONT PANEL um 1 2 2 Rear Connections DVD INPUT 750mm 1 Y 1Vpp 75_ 1 Cr Cb Y 2 1 Vpp 75 1 Y 3 Cr 1Vpp 75 5 5 2 avon 4 Video CVBS 1 75 5 Audio 0 5 Vrms 10 k U 6 Audio R 0 5 Vrms 10 k
94. x to the TV may be supplied by the Cable TV company It is not supplied with the TV You can connect a Satellite Receiver the Cable TV company Cable TV company Your Cable Box may have separate Audio and Video Out jacks instead If so use audio and video cables to connect the AUDIO VIDEO OUT jacks of the Cable Box to the AUDIO VIDEO IN 2 jacks on the rear of the TV Press the TV AV on the remote control to set the TV to the Colour Television Chassis M123A 3 Directions for Use 3 2 Basic Antenna Connection A combination antenna receives normal broadcasting channels VHF2 13 and UHF 14 69 Your connection is easy since you will connect the antenna to the 750HM ANTENNA INPUT jack on the rearof the TV 1 your antenna has round cable 75 ohm on the end then you are ready to connect it to the TV Go to step 2 If your antenna has flat twin lead wire 300 ohm you first need to attach the antenna wire to the screws on a 300 to 75 ohm adapter not Push the round end of the adapter or antenna cable onto the 75 OHM ANTENNA INPUT jack on the rear of the TV Ifthe round end ofthe antenna cable is threaded screwit down tight 3Plug the s power cord into a 4 power outlet and turn on TV Set TV CATV to CATV as detailed in 11 Refer to AUTO SEARCH to set up your available channels Details are 12 If you

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