27AF61, 27AF41
Contents
1. 02 NG 001 NG Q501 NG etc Note The indication of failure place is only one place though failure places are plural When repair of a failure place finishes the next failure place is indicated The order of priority of indication is left side s Sync signal check Green display Normal Cyan display No check Red display NG 222226 TV mode int VIDEO 1 mode Vo VIDEO 2 mode The item marked with 77 are not usable to display in the SELF DIAGNOSTIC FUNCTION for some model d DESIGN MODE 1 ENTERING TO DESIGN MODE When QAO is initialized items and OPT1 and OPT2 of DESIGN MODE are set to the data of the representative model of this chassis family Therefore because ON SCREEN specification remains in the state of the representative of model This model is required to reset the data of items OPTO and OPT1 and OPT2 1 Select the Service mode 2 While pressing RECALL button on 3 Press MENU button on TV 2 Remote and press MENU button on TV m S Press Item y Data 5 Press E lt E Design mode Adjustment mode Lu Lu 2 SELECTING THE ADJUSTING ITEMS Every pressing of CHANNEL button in the design mode changes the adjustment items in the order of table 3 A button for reverse order Refer to table 3 for data of design mode See SETTING amp ADJUSTING DATA on page 172. SPECIFIC INFORMATIONS TT TT TTTT T Table 2 DESIGN MODE 1 ADJUSTING ITEMS AND DATAS IN THE DESIGN MODE OPT1 OPTION1 84H 84H OPT2 OPTION2 01H 02H Table 3 CIRCUIT CHECKS 1 _ c UN UN FBT DETECTION VOLTAGE 21 5V Table 4 17 LOCATION OF CONTROLS Representative 27AF61 Front view Rear view Comum VIDEO AUDIO terminals Antenna Cable terminals POWER indicator POWER MENU TV VIDEO VOLUME CHANNEL POWER INSIDE DOOR T gt T A VIDEO 3 IN MENU TV VIDEO I T Remote sensor 4 V A Rear Term ANT SZ ANTI ir ANT2 dB Remote Control LIGHT TV CABLE VCR switch Set to TV to control the TV MUTE Channel Number C CAPT ENTER FAV V RESET PIP CH V RECALL PO LIGHT o TV UE cag MUTE TVVIDEO TIMER VCR WER A CH v A VOL wv PIP CH STOP SOURCE PLAY PIP STILL LOCATE SWAP 10 RECALL POWER TIMER TV VIDEO CHANNEL A V VOLUME A V CH RTN MENU CH A FAV A A VW 4p EXIT PIP functions For TV and CABLE modes Z lt e cc LL lt o m o LLI PROGRAMMING CHANNEL MEMORY The channel memory is the list of TV channel numbers your TV will stop on when you press the CHANNEL A or V button First use the TV CABLE and CH PROGRAM functions to preset all active channels in your area automatically If necessary arrange th
3. 40 41 0080 0601 0660 0661 QJ02 QJO3 QJ04 OS60 OS61 OS62 QS63 QS64 QS101 QS106 OVo1 QVO2 QV05 QV10 OV11 QV60 0201 0202 0203 0204 0205 0206 0207 0208 0112 0201 0221 0222 0223 0224 0252 0253 0301 0302 0303 0310 0312 0314 0315 0316 0335 0336 0337 0338 0370 0371 A6317440 A6317440 A6317440 A6317440 23000818 23905665 A6317440 A6002050 A6734590 A6317440 A6317440 A6317440 A6317440 23114530 23906499 23904303 23119228 23114528 A6369650 23114528 23314965 23314965 A6012040 A6342200 A6342200 23904303 23000529 23000369 23904943 A6002030 A6002030 A6734590 A6317440 B0410895 A6541130 A6541130 A6541130 A6335470 A6541130 A6541130 A6335470 23316678 23316817 23316817 23316817 23316817 23316817 23118518 23118518 23118095 23118095 23316794 23118859 23118859 23118859 23118859 23316679 23316715 23316672 23316672 23316655 23316672 23118859 Description Transistor Transistor Transistor Transistor 25 1815 25 1815 25 1815 25 1815 TMP88CS38N 2C34 AT24C08 10PC Transistor Transistor Transistor 27AF61 Transistor Transistor Transistor Transistor Transistor 25 1815 RN1205 25C752 G TM Y 25 1815 25 1815 25 1815 25 1815 25 9335 IC uPC1851BCU IC BA10358 IC uPC1406HA Transistor Transistor Transistor Transistor Transistor Transistor Transistor
4. You have now completed the channel programming Note The CHANNEL V A buttons on the TV function as the V A buttons while a menu is on the screen Please refer to owner s manual in detil Su3sVv3ds LOOM 299 e a SNVHL H3lVvaiH LOBA AOZ y 1 ino OlaNv 0190 AHOWIN ZOVO ZAVO VS HOSN S 3LOW34 LO8M 4 HOSS OOHdOHOIW LOV 1083 1064 TOHINOO Sn8 el 0680 C AS 9 B Le e cord 1081 HOLIMS AV 9 LOAD did LOAZ GHVOA NIYIN 06 quod 20 LOZO 2060 1060 JAIXO 149 1061 19019 NI QAQ LNO OIGNVOZQIA al JndNI 0 0 CHASSIS AND CABINET REPLACEMENT PARTS LIST WARNING BEFORE SERVICING THIS CHASSIS READ THE X RAY RADIATION PRECAUTION SAFETY PRECAUTION AND PRODUCT SAFETY NOTICE ON PAGE 3 OF THIS MANUAL CAUTION The international hazard symbols A in the schematic diagram and the parts list designate com ponents which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list The mounting position of replacements is to be ide
5. 16V 22uF 20 16V 1uF 20 50V 1uF 20 50V 47uF 20 16V 1uF 20 50V 4 7uF 20 50V 4 7uF 20 50V 4 7uF 20 50V 4 7uF 20 50V 100uF 20 16V 0 1uF 20 50V 0 01uF 80 20 0 1uF 63V 0 1uF 20 50V 0 01uF 80 20 0 047 uF 22uF 20 16V 0 1uF 20 50V 0 01uF 80 20 0 1uF 63V 470uF 20 16V 0 01uF 48090 20 0 022uF 0 01uF 8096 20 27AF61 EL 100uF 22096 16V 27AF61 EL CD 10uF 22096 16V 27AF61 0 01uF 48096 20 27AF61 EL EL EL 10uF 22096 16V 27AF61 470uF 20 16V 470uF 20 10V Chip 0 47uF 8096 2096 10V Chip 0 01uF 10 Chip 0 1uF 10 16V Chip 22pF Chip 10pF 0 5pF Chip 22pF Chip 0 01uF 10 Chip 0 01uF 10 EL 20 16V Chip 0 01uF 10 Chip 180pF Chip 0 01uF 10 Chip 1200pF 41090 EL 42096 16V Chip 0 01uF 10 Chip 0 01uF 10 EL 22096 16V Chip 0 01uF 10 Chip 0 01uF 10 Chip 0 01uF 10 EL 42096 16V Chip 0 1uF 10 16V Chip 15pF Chip 39pF Location No CZ34 CZ35 CZ37 238 241 242 245 RESISTORS R101 R151 R152 R201 R202 R203 R205 R206 R207 R208 R209 R216 R223 R228 R238 R239 R240 R241 R245 R245 R261 R262 R263 R264 R265 R266 R271 R272 R275 R302 R303 R305 R306 R309 R310 R311 R312 R313 R318 R319 R320 R321 R322 R323 R326
6. 20 16V EL 100uF 20 16V EL 22uF 20 50V EL 22uF 20 50V EL 2 2uF 20 50V EL 1uF 20 50V CD 0 01uF 80 20 EL 47uF 20 16V EL 10uF 20 16V Non Polar EL 10uF 20 16V EL 4 7uF 20 50V EL 10uF 20 16V EL 10uF 20 16V EL 220uF 20 16V PF O 1uF 63V PF 0 1uF 63V PF 0 1uF 63V 27AF61 PF 0 1uF 63V 27AF61 PF 0 1uF 63V 27AF61 EL 2 2uF 20 50V EL 2 2uF 20 50V EL 2 2uF 20 50V EL 2 2uF 20 50V EL 2 2uF 20 50V EL 2 2uF 20 50V EL 2 2uF 20 50V EL 2 2uF 20 50V EL 1uF 20 50V EL 1uF 20 50V CD 330pF CD 330pF CD 330pF 330pF CD 330pF 24 Part No 24436331 24436331 24436331 24212102 24212102 24794220 24794220 24206010 24206010 24794470 24206010 24797479 24797479 24797479 24797479 24794101 24206108 24232103 24503041 24206108 24232103 24591473 24794220 24206108 24232103 24503041 24763471 24232103 24591223 24232103 24794101 24794100 24232103 24794100 24763471 24762471 24092743 24109103 24092730 24105220 24105100 24105220 24109103 24109103 24203100 24109103 24105181 24109103 24109122 24203100 24109103 24109103 24203100 24109103 24109103 24109103 24203100 24092730 24105150 24105390 Description EL EL EL EL EL EL EL CD PF EL CD PF EL EL CD PF EL CD PF CD 330pF 330pF 330pF 1000pF 10 1000pF 10 22uF 20
7. 23213513 SEMICONDUCTORS Q151 Q152 Q201 Q202 Q203 Q204 Q205 Q300 Q301 Q301B Q302 23114530 23114528 23114528 A6317440 A6317440 A6002040 A6002040 23114528 23905610 72471082 B0385853 Description Coil Choke TLN3384D Coil Choke TLN3458AH Coil Choke TLN3339AD Coil Peaking TRF4100AT Coil Peaking TRF4470AT Coil Choke HC5 035 Coil Ferrite Bead TEM2011 Coil Ferrite Bead TEM2011 Coil Choke TLN3481AD Coil Choke TLN3481AD Coil Ferrite Bead TEM2011Y Coil Ferrite Bead TEM2011Y Coil Ferrite Bead TEM2011Y Coil Choke TLN3299D Coil Ferrite Bead TEM2011Y Coil Peaking TRF4101AF Coil Peaking TRF4101AF Coil Peaking TRF4101AF Coil Peaking TRF4390AF Coil Peaking TRF4390AF Coil Peaking TRF4390AF Coil Peaking TRF4100AF Coil Peaking TRF4479AC Coil Peaking TRF4100AF Coil Ferrite Bead TEM2014 Coil Peaking TRF4100AT Coil Filter TEM2028AH 27AF61 Coil Filter TEM2028AH 27AF61 Coil Peaking TRF4100AT 27AF61 Coil TEM2030AY Coil Peaking TRF4220AJ Coil Peaking TRF4100AJ Coil Peaking TRF4100AJ Coil Peaking TRF4100AJ Coil Peaking TRF4100AJ Coil Peaking TRF4390AJ Coil Peaking TRF4220AJ Coil Peaking TRF4220AJ Transformer Focus TLN2168AH Transformer Horiz Drive TLN1098AH Transformer Flyback TFB4166ZD 27AF61 Transformer Power TPW1459AZ Transistor 2SA933S O 27AF61 Transistor 2SC1740S O 27AF61 Transistor 2SC1
8. CF 27k ohm MF 13k ohm 1 1 4W 24366333 CF 33k ohm 24327472 MF 4700 ohm 1 1 4W 24338568 MF 0 56 ohm 1W 24552820 OMF 82 ohm 1 2W OMF 300 ohm 1 2W 24327183 18k ohm 1 1 4W 24327183 MF 18k ohm 1 1 4W 24552301 24366102 24366102 24366471 24366560 24366333 24366101 CF CF CF 1k ohm 1k ohm 470 ohm 56 ohm 33k ohm 100 ohm SPECIFIC INFORMATIONS SPECIFIC INFORMATIONS Location No Part No 24366101 24366102 24366102 24366102 24366101 24366103 24366222 24366102 24366182 24366182 24366103 24366103 24366223 24366103 24366103 24366153 24366229 24366229 24366153 24366122 24366563 24366393 24552121 24366563 24366273 24366333 24366101 24366392 24366392 24366102 24366471 24366331 24366182 24552100 24552331 24366820 24366683 24366820 24366683 24366620 24366152 24366102 24366152 24366620 24366279 24366279 24554221 24366122 24366122 24019477 Thermistor 1 5 ohm 24569828 24366103 24552472 24004942 24552101 24366152 24004943 24548569 24366561 24552471 24322759 24366561 Description 100 ohm 1k ohm 1k ohm 1k ohm 100 ohm 10k ohm 2200 ohm 1k ohm 1800 ohm CF 1800 ohm CF 10k ohm CF 10k ohm CF 22k ohm CF 10k ohm CF 10k ohm CF 15k ohm CF 2 2 ohm CF 2 2 ohm CF 15k ohm CF 1200 ohm CF 56k ohm CF 39k ohm OMF 120 ohm 1 2W CF 56k ohm CF 27k ohm CF 33k ohm CF 100 ohm CF 3900 oh
9. FR 4 7 ohm 1W CF 560 ohm CF 100 ohm CF 390 ohm CF 82 ohm CF 470 ohm CF 1k ohm CF 560 ohm CF 100 ohm CF 82 ohm CF 2700 ohm CF 75 ohm CF 390 ohm CF 820 ohm CF 75 ohm CF 470 ohm CF 100 ohm CF 820 ohm CF 3900 ohm CF 3900 ohm CF 3900 ohm CF 47 ohm CF 47 ohm CF 10k ohm CF 10k ohm CF 10k ohm CF 3k ohm CF 6800 ohm CF 100 ohm CF 1200 ohm CF 8200 ohm OMF 15k ohm OMF 15k ohm OMF 15k ohm OMF 15k ohm OMF 15k ohm OMF 15k ohm CF 4700 ohm CF 1k ohm CF 1200 ohm CF 1k ohm CF 1k ohm CF 470 ohm CF 820 ohm CF 10k ohm CF 2200 ohm Location No Part No 24367152 24367471 24367681 24367681 24367472 24367472 24366222 24367681 24366150 24366471 24366392 24366272 24366472 24366472 24366472 24366472 24366274 24366334 24366202 24366183 24366102 24366332 24366333 24338129 24005016 24005016 24005016 24005016 24366183 24366563 24366822 24366331 24366102 24366102 24366133 24366682 24366223 24366103 24366223 24366103 24366223 24366472 24366562 24366102 24366393 24366133 24366102 24366104 24366472 24366102 24366221 24366202 24003984 24366622 24366102 24366102 24366102 24366102 24366102 24366102 Description CF CF CF CF CF CF CF CF CF GF CF CF CF MF Metal Glazed Resistor 1500 ohm 2 470 ohm 2 680 ohm 2 680 ohm 2 4700 ohm 2 4700 ohm 2 2200 ohm 680 ohm 2 15 ohm
10. 24073059 EL 3300uF 20 25V 24082592 PF 1000pF 3 1800V C308 24797221 EL 220uF 22096 50V 24082917 PF 0 3uF 315V C310 24073094 EL 1000uF 22096 50V 24082924 PF 0 56uF 315V C312 24503037 PF 0 047uF 63V 24082609 PF 5100pF 3 1800V o 2 lt e cc LL o LLI o Location No Part No 24082616 24828563 24679100 24640962 24666102 24829473 24092344 24082923 24212152 24640872 24212472 24820243 24820243 24797479 24797479 24797479 24829273 24747220 24503049 24797478 24212102 24436102 24591222 24353120 24763101 24232103 24206228 24232103 24762471 24794470 24232103 24212102 24212102 24666100 24795470 24795470 24669229 24669229 24669229 24503041 24503041 24669229 24795470 24667102 24668471 24667102 24232103 24232103 24794101 24709100 24436101 24214472 24436101 Description PF PF EL EL EL PF CD PF CD EL CD PF PF EL EL EL PF PF EL EL EL EL EL CD CD EL EL CD CB CD 0 03uF 3 1800V 0 056uF 200V 10uF 20 250V 33uF 20 200V 1000uF 20 16V 0 047uF 400V 820pF 10 2kV 0 51uF 315V 1500pF 10 10uF 20 100V 4700pF 10 0 024uF 630V 0 024uF 630V 4 7uF 2090 50V 4 7uF 2090 50V 4 7uF 2090 50V 0 027uF 400V 22uF 2090 50V 0 47uF 63V 0 47uF 20 50V 1000pF 10 1000pF 2200pF 12pF CH 100uF 20 16V 0 01uF 48090 20 0 22uF
11. 2SC4721P 2SD2553 Screw BRDT2W3X10 SZN Transistor 2SC3852 Screw BTB3X8SZN Transistor Transistor 25 9335 2SD2493 P Screw BRDT2W3X10 SZN Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor 2SC1815 Y 2SA1015 O 25C1815 Y 25A949 Y C 25C1815 Y 25C1815 Y RN2201 2SC1740S O Screw BITTB3X10 SZN Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor 2CS2878 A KTA1266 Y 2CS2878 A 2SC1815 Y 2SC1740S O 2SC1740S O 25 9335 25 1837 25 4793 25 17405 25 17405 Screw BRDT2W3X10 SZN Transistor Transistor RN1205 2SC3852 Screw BTB3X8SZN IC L78MRO5 Transistor Transistor RN1205 2SD1944 H Adhesive TSE3843 W IC SE130N LF4 Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor Transistor 2CS4544 25C1815 Y 2354544 25C1815 Y 2354544 2SC1815 Y 25 9335 25 2120 25 1815 25 17405 25 9335 25 9335 25 1815 25 17405 25 17405 25 17405 25 17405 25 17405 25 17405 SPECIFIC INFORMATIONS SPECIFIC INFORMATIONS Location No Q4460 04461 04462 04462 OA01 02 1 22 23
12. 3 ADJUSTING THE DATA Pressing of VOLUME A or V button will change the value of data 2412 ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE FOCUS VR ADJ Enter the service mode then select any register item 2 Press the TV VIDEO button on the Remote until the black cross bar pattern ap pears on the screen Adjust the FOCUS control on T461 for well defined scanning lines on the picture screen SUB BRIGHTNESS 1 Constrict the picture height until the BRTC vertical retrace line appears adjusting the HEIGHT control on the MAIN board 2 Adjust the CONTRAST to the minimum and BRIGHTNESS to the center 3 Enter the service mode then select BRTC register 4 Adjust the data value so the belt of vertical retrace line just disappear 5 Adjust the CONTRAST for the desired contrast Adjust the HEIGHT control Vertical retrace line c LLI e lt cc LLI c LLI O O SUB COLOR 1 Receive color bar signal from color bar generator COLC 2 Press the RESET button SUB TINT 3 Connect oscilloscope to base of Q906 on CRT D board TNTC 4 Enter the service mode then select COLC 5 Adjustthe SUB COLOR by pressing the VOLUME A or V button to achieve about Blue 1Vo p of blue bar Magenta Select TNTC register Adjust the data value to obtain the blue bar to magenta bar ratio of 3 2 as shown 8 Select COLC register 9 Adjust th
13. 5600 ohm 5600 ohm 2700 ohm 2700 ohm 10k ohm 10k ohm 100 ohm 2200 ohm 100 ohm 2200 ohm 1k ohm 1k ohm 1k ohm 22k ohm 1101 22k ohm L111 100k ohm 100k ohm L121 12k ohm 12k ohm 3300 ohm L122 Part No 24366103 24366222 24366101 24366101 24366101 24366101 24366750 24366750 24366750 24366103 24366750 24366750 24366100 24366103 24366101 24366101 24366101 24366103 24366103 24366103 24366222 24366103 24552101 24366101 24366750 24366221 24366750 24366750 24366750 24366102 24366102 24872102 Chip 24872102 Chip 24872332 Chip 24872122 Chip Chip Chip 24872122 Chip Chip Chip 24872332 Chip 24872122 Chip Chip Chip Chip 24872122 Chip 24872332 Chip Chip Chip Chip Chip 24872471 24872821 24872101 24872471 24872391 24872391 24872471 24872101 24872471 24872331 24872331 23289845 23289220 23238562 23238562 Description CF CF CF CF CF CF CF CF CF CF CF CF CF CF CF CF CF CE CF 10k ohm 2200 ohm 100 ohm 100 ohm 100 ohm 100 ohm 75 ohm 75 ohm 75 ohm 10k ohm 75 ohm 75 ohm 10 ohm 10k ohm 100 ohm 100 ohm 100 ohm 10k ohm 10k ohm 10k ohm 2200 ohm 27AF61 10k ohm 27AF41 OMF 100 ohm 1 2W 100 ohm 75 ohm 220 ohm 75 ohm 75 ohm 75 ohm 1k ohm 1k ohm COILS amp TRANSFORMERS Coil Peaking Coil Peaking 27AF
14. Adjust the CONTRAST control to the center and BRIGHTNESS control to the RCUT maximum GCUT Call up the adjustment mode display and press the TV VIDEO button on BCUT Remote until the white and black pattern appears on the screen GDRV Adjust the following item with the CHANNEL A V and VOLUME A V buttons Data 40H GDRV gt Data 40H GCUT gt Data 40H Data 40H BCUT gt Data 40H Press the TV VIDEO button on TV to display a single horizontal line on the screen Turn the SCREEN control FBT fully counterclockwise and gradually rotate clockwise until the first horizontal line appears slightly on the screen Press the TV VIDEO button to display the normal picture Adjust the remaining two CUT items CHANNEL TV VIDEO gt VOLUME A Y in order to obtain the slightly lighted horizontal line in the same levels of three red green blue colors The line should be white if the adjust ments are proper e mmm Bright area Adjust GDRV or BDRV to be white aa Dark area Fine adjust RCUT GCUT or BCUT to be black PIP SUB BRIGHTNESS PBOF PIP WHITE BALANCE Adjust to match the PIP screen to the brightness white balance and tint of the PGOF PROF main picture PIP SUB TINT PHUE 1762 MTS ADJUSTMENT FOR N1N CHASSIS NO ITEM INPUT SIGNAL ADJUSTMENT PROCEDURE STEREO VCO No signal Display it
15. CD 100pF 10 24794100 EL 10uF 42096 16V 24232103 CD 0 01uF 8096 20 24232103 CD 0 01uF 8096 20 24794100 EL 10uF 42096 16V 24232103 CD 0 01uF 8096 20 DD SPECIFIC INFORMATIONS Location No Part No 24797470 24763221 24436101 24794100 24203220 24503041 24797010 24797479 24206229 24591473 24797478 24503041 24206108 24797010 24704106 24797010 24797010 24797479 24797010 24591223 24797229 24591102 24206108 24797229 24591102 24206108 24206229 24206229 24206010 24203100 24203101 24797220 24797220 24797229 24797010 24232103 24794470 24085981 24794100 24797479 24794100 24794100 24794221 24503041 24503041 24503041 24503041 24503041 24797229 24797229 24797229 24797229 24797229 24797229 24797229 24797229 24797010 24797010 24436331 24436331 24436331 24436331 24436331 Location No Description EL 47uF 20 50V EL 220uF 20 16V CD 100pF EL 10uF 20 16V EL 22uF 20 16V PF O 1uF 63V EL 1uF 20 50V EL 4 7uF 20 50V EL 2 2uF 20 50V PF 0 047uF EL 0 47uF 20 50V PF 0 1uF 63V EL 0 1uF 20 50V EL 1uF 20 50V Tantalum 10uF 20 16V EL 1uF 20 50V EL 1uF 20 50V EL 4 7uF 20 50V EL 1uF 20 50V PF 0 022uF EL 2 2uF 20 50V PF 1000pF EL 0 1uF 20 50V EL 2 2uF 20 50V PF 1000pF EL 0 1uF 20 50V EL 2 2uF 20 50V EL 2 2uF 20 50V EL 1uF 20 50V EL 10uF
16. R327 R328 R329 R330 R331 R336 R353 R360 R361 R362 Part No 24105150 24105390 24203100 24203100 24105470 24105470 24105100 24382223 24366562 24366103 24366102 24366102 24366474 24366101 24366102 24366101 24366101 24366101 24366223 24366102 24366473 24366473 24366274 24366562 24366682 24366103 24366104 24366472 24366102 24366472 24366102 24366472 24366102 24366101 24366222 24366103 24366222 24321109 24322688 24366223 24366753 24366153 24366392 24366153 24366153 24366101 24366101 24366101 24366102 24366394 24366102 24366474 24339479 24366684 24366153 24366102 24366134 24383271 24366621 24366104 24366473 24366103 Description Chip 15pF Chip 39pF EL 10uF 20 16V EL 10uF 20 16V Chip 47pF Chip 47pF Chip 10pF 0 5pF OMF 22k ohm 1W CF 5600 ohm 27AF61 CF 10k ohm 27AF61 CF 1k ohm CF 1k ohm CF 470k ohm CF 100 ohm CF 1k ohm CF 100 ohm CF 100 ohm CF 100 ohm CF 22k ohm CF 1k ohm CF 47k ohm CF 47k ohm CF 270k ohm CF 5600 ohm CF 6800 ohm 27AF41 CF 10k ohm 27AF61 CF 100k ohm 27AF41 CF 4700 ohm CF 1k ohm CF 4700 ohm CF 1k ohm CF 4700 ohm CF 1k ohm CF 100 ohm CF 2200 ohm CF 10k ohm CF 2200 ohm MF 1 ohm 1 2W MF 0 68 ohm 1W CF 22k ohm CF 75k ohm CF 15k ohm CF 3900 ohm CF 15k ohm CF 15k ohm CF 100 ohm CF 100 ohm CF 100 ohm CF 1k ohm CF 390k ohm CF 1k ohm CF 47
17. Transistor 2SC1740S O 2SC4793 2SC1740S O KTC3198 Y KTC3198 Y RN2204 2CS2878 A 2CS2878 A IC BA10358 IC MM1231XD IC MM1495XD IC MM1111XS 27AF61 Transistor Transistor Transistor Transistor RN1203 RN1203 25C752 G TM Y 25C1815 Y IC TC90A49P Transistor Transistor Transistor Transistor Transistor Transistor Transistor 2SA1162 Y 2SA1162 Y 2SA1162 Y 2SC2712 Y 2SA1162 Y 2SA1162 Y 2SC2712 Y Diode Zener MTZJ6 8B Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode 1SS120 7 1SS120 7 1SS120 7 1SS120 7 1SS120 7 Zener RD9 1ESA B1 Zener RD9 1ESA B1 ERB44 06 E ERB44 06 E SC570A 155133 155133 155133 155133 Zener MTZJ6 8C Zener MTZJ11A Zener MTZJ5 6B Zener MTZJ5 6B Zener MTZJ3 0B Zener MTZJ5 6B 155133 30 Location No Part No 23316651 23316725 23316254 23118094 23118052 23316690 23118520 23316665 23316669 23118510 23316687 23118094 23118095 23316719 23118095 23115774 23118859 23316727 23118859 23118859 23118859 23118859 23118859 23118859 23118859 23118859 23118859 23357041 23118859 23118094 23118859 23316746 23316673 23316962 23118859 23316673 23118859 23118859 23118338 23118094 23118859 23118859 23118859 23118859 23118859 23118859 23118859 23118859 23118859 A7568250 A7568200 A7568200 23316
18. lt LLI LLI o See figure 4 PURITY CONVERGENCE 4 Turn the both tabs at the same time keeping the con MAGNETS stant angle to superimpose red and blue horizontal lines at the centre of the screen See figure 4 ie te 5 Adjusttwo tabs of 6 Pole Magnets to superimpose red FIXED blue line with green one Adjusting the angle affects the vertical lines and rotating both magnets affects the horizontal lines 6 Repeat adjustments 3 4 5 keeping in mind red green and blue movement because 4 Pole Magnets and 6 Pole magnets interact and make dot movement a plex 7 After completing the CENTER CONVERGENCE AD NO ROTATE TWO TABS N JUSTMENT tighten the tightening ring to fix the mag AT THE SAME TIME nets HORIZONTAL LINES ADJUSTMENT OF MAGNETS RED BLUE GRN Figure 3 BLU RED RED BLUE GRN SCREEN CORNER CONVERGENCE When the misconvergence is still evident on corners even though the above adjustment is done use the ferrite sheet Part No 23993622 to correct misconvergence 1 Put ferrite sheets into the space under the yoke Decide such position that misconvergence becomes minimum watching picture screen See figure below 2 Remove cover paper of ferrite sheet to stick it in the Figure 4 place on the tube Put adhesive tapes on ferrite sheets to fix 4 POLE MAGNETS 6 POLE MAGNETS MOVEMENT MOVEMENT Center Convergence by Convergence Magn
19. of the screen At the same time enter the raster vertically Slowly move the yoke forward or backward until a uniform green screen is obtained Tighten the clamp screw of the yoke temporarily Check the purity of the red and blue raster TEMPORARY MOUNTING RUBBER WEDGE ADHESIVE DEFLECTION YOKE CONVERGENCE ADJUSTMENTS RI NOTE Before attempting any convergence adjustments the 1 receiver should be operated for at least fifteen min utes 2 CENTER CONVERGENCE ADJUSTMENT 3 1 Use the cross dot pattern from among the built in test sig nals 2 Set the brightness and contrast for well defined pattern 3 Adjust two tabs of the 4 Pole Magnets to change the an 4 gle between them See figure 2 and superimpose red and blue vertical lines in the center area of the picture 9 screen 4 Turn the both tabs at the same time keeping the angle 6 constant to superimpose red and blue horizontal lines at the center of the screen 5 Adjust two tabs of 6 Pole Magnets to superimpose red re blue line and green one Adjusting the angle affects the vertical lines and rotating both magnets affects the hori 8 zontal lines 6 Repeat adjustments 3 4 5 keeping in mind red green and blue movement because 4 Pole Magnets and 6 Pole 9 Magnets have mutual interaction and make dot movement complex 6 POLE MAGNETS 4 POLE MAGNETS MAGNETS CONVERGENCE MAGNET ASSEMBLY Figure 2 BLU RED 4 POLE MAGNETS MO
20. 0k ohm MF 4 7 ohm 2W CF 680k ohm CF 15k ohm CF 1k ohm CF 130k ohm OMF 270 ohm 2W CF 620 ohm CF 100k ohm CF 47k ohm CF 10k ohm 55 Location No Part No 24366105 24366103 24366681 24366431 24366103 24545479 24366391 24321109 24366103 24366392 24366102 24366163 24382103 24366472 24552102 24366102 24366103 24366103 24366184 24366103 24946561 24366391 24366622 24382682 24366104 24366103 24366472 24376153 24366271 24366561 24553272 24510562 24383181 24546279 24366561 24366102 24366103 24366202 24366102 24532102 24382513 24310229 24338478 24366103 24366561 24322479 24382270 24366391 24366823 24366273 24327133 Description CF 1M ohm CF 10k ohm CF 680 ohm CF 430 ohm CF 10k ohm FR 4 7 ohm 1 4W CF 390 ohm MF 1 ohm 1 2W CF 10k ohm CF 3900 ohm CF 1k ohm CF 16k ohm OMF 10k ohm 1W CF 4700 ohm OMF 1k ohm 1 2W CF 1k ohm CF 10k ohm CF 10k ohm CF 180k ohm CF 10k ohm CC 560 ohm 1 2W CF 390 ohm CF 6200 ohm OMF 6800 ohm 1W CF 100k ohm CF 10k ohm CF 4700 ohm CF 15k ohm 1 2W CF 270 ohm CF 560 ohm OMF 2700 ohm 1W Cement 5600 ohm 5W OMF 180 ohm 2W FR 2 7 ohm 1 2W 27AF41 CF 560 ohm CF 1k ohm CF 10k ohm CF 2k ohm CF 1k ohm 27AF61 FR 1k ohm 1W OMF 51k ohm 1W OMF 2 2 ohm 1 2W MF 0 47 ohm 1W CF 10k ohm CF 560 ohm MF 4 7 ohm 1W OMF 27 ohm 1W CF 390 ohm CF 82k ohm
21. 1 23540530 23427950 23445483 23008163 PWR D Board 27AF61 PWR D Board 27AF41 PWR D Board 27AF61 PWR D Board 27AF41 CRT D Board CRT D Board Signal Board 27AF61 Signal Board 27AF41 Signal Board 27AF61 Signal Board 27AF41 PDO154F PD0154G PDO154F PD0154A PB9973A PB9973A PB9966D PB9966F PB9966A PB9966F 3L Board PB9398A Picture Tube A68ERF031X013 Tuner EL955LX1 27AF61 Remote Hand Unit CT 9946 27AF61 Remote Hand Unit CT 90037 27AF41 Owner s Manual 27AF61 Owner s Manual 27AF41 Owner s Manual 27AF61 Owner s Manual 27AF41 Front Cover Door Button Back Cover English French English French SPECIFIC INFORMATIONS THIS PAGE IS INTENTIONALLY LEFT BLANK o O l 2 oc LL o O LU o SIGNAL BOARD PB9966 BOTTOM FOIL SIDE Ni il Y 11 1 8 1 4 N U NS 33 POWER DEF BOARD PD0154 BOTTOM FOIL SIDE MILII 7 E CH 2 NA ASS iff pl er ho A o iD y C 1 gt kull En amp X O 5 U 2 X al F497R
22. 182 24366182 24366473 24366821 24366222 24366562 24366822 24366102 24366564 24366102 24366473 24366222 24366103 24366102 24366102 24323479 24366103 24366102 24366472 24366102 24366472 24366102 24366472 24366681 24366682 24366472 24366562 24366562 24366562 24366562 24366562 24366562 24366562 24366562 24366272 24366272 24366103 24366103 24366101 24366222 24366101 24366222 24366102 24366102 24366102 24366223 24366223 24366104 24366104 24366123 24366123 24366332 Description CF CF CE CE CF CF CF CE CF CF CF CF CF CF CF CF CF CF CF CF CF CF CF CF CF CF CF CF Location No RS113 RS115 RS611 RS612 RS613 RS614 RV02 RV04 RVO5 RVO7 RVO9 RV10 RV11 RV12 RV13 RV19 RV20 RV21 RV22 RV35 RV36 RV36 RV60 RV61 RV62 RV63 RWO1 RWO2 RWO3 RY11 RY12 RZ01 RZ02 RZ03 RZ04 RZ05 RZ06 RZ08 RZ09 RZ10 RZ12 RZ13 RZ14 RZ15 RZ17 RZ18 RZ19 RZ20 RZ22 RZ29 RZ30 1600 ohm 4700 ohm 100 ohm 100 ohm 10k ohm 4700 ohm 2200 ohm 1800 ohm 1800 ohm 47k ohm 820 ohm 2200 ohm 5600 ohm 8200 ohm 1k ohm 560k ohm 1k ohm 47k ohm 2200 ohm 10k ohm 1k ohm 1k ohm 4 7 ohm 2W 10k ohm 1k ohm 27AF61 4700 ohm 1k ohm 27AF61 4700 ohm 1k ohm 27AF61 4700 ohm 680 ohm 6800 ohm 4700 ohm 5600 ohm 5600 ohm 5600 ohm 5600 ohm 5600 ohm 5600 ohm
23. 2 mr a L lt oc LLI LU o c LLI e Y p lt cc LLI c LLI O WARNING BEFORE SERVICING THIS CHASSIS READ THE X RAY RADIATION PRECAUTION SAFETY PRECAU TION AND PRODUCT SAFETY NOTICE ON PAGE 3 OF THIS MANUAL FOR 35 36 The following adjustments should be made when a complete realignment is required or a new picture tube is installed Perform the adjustments in order as follows 1 Color Purity 2 Convergence 3 White Balance Note The PURITY CONVERGENCE MAGNET assembly and rubber wedges need mechanical positioning Refer to figure 1 Mounting position of the purity magnet assembly should fit to same position as old one because slightly difference to the position depend on a kind of tube There are no adjustment of purity and convergence in some picture tube Unified with purity magnet COLOR PURITY ADJUSTMENT NOTE Before attempting any purity adjustments the receiver should be operated for at least fifteen minutes Evenly degauss the entire screen Set the CONTRAST and BRIGHTNESS Controls to the maximum Display built in green raster using the TEST SIGNAL SELECTION function 4 Loosen the clamp screw holding the deflection yoke and remove the Rubber Wedges DEFLECTION YOKE CD 5 Slide the yoke forward or backward to provide vertical PURITY green belt zone in the picture screen CONV 6 Rotate and spread the
24. 20 50V 0 01uF 80 20 470uF 20 10V 47uF 20 16V 0 01uF 48090 20 1000pF 10 1000pF 10 10uF 20 16V 47uF 20 25V 47uF 20 25V 2 2uF 20 50V 2 2uF 20 50V 2 2uF 20 50V 0 1uF 63V 0 1uF 63V 2 2HF 22096 50V 47uF 20 25V 1000uF 20 25V 470uF 20 35V 1000uUF 20 25V 0 01uF 80 20 0 01uF 80 20 100uF 20 16V 10uF 20 200V 100pF 4700pF 10 500V 100pF Location No C806 C808 C810 C811 C811A C812 C813 C815 C816 C817 C818 C821 C822 C823 C829 C832 C840 C842 C843 C850 C884 C886 C889 C891 C893 C898 C902 C904 C905 C907 C909 C910 C911 C912 C913 C914 C920 C921 C930 C970 C971 C972 C3319 C3322 C3323 C3325 C3326 C3327 C3360 C3361 C3440 C4463 Part No 24092623 24667221 24086057 24092597 23960136 24092597 24092597 24092597 24092597 24092339 24082402 24214471 24503041 24212471 24591681 24794470 24795221 24792101 24797479 24794470 24086049 24214471 24796222 24591223 24092339 24539224 24092345 24436681 24436681 24436681 24679220 24797478 24203100 24794471 24794100 24212103 24232103 24232103 24214101 24794470 24794470 24794470 24591103 24617912 24503049 24591203 24212102 24073041 24763471 24503037 24082395 24567224 Description CD 0 01uF 80 20 AC250V EL 220uF 20 25V EL 680uF 20 200V CD 4700pF 20 AC250V Adhesive TSE3843 W CD 4700pF 20 AC250
25. 22096 16V 24617915 EL 1uF 10 50V 27AF61 24793221 EL 220uF 20 10V C201 24503041 PF 0 1uF 63V 24794101 EL 1004F 20 16V C204 24797010 EL 1uF 2096 50V 24693154 PF 0 15uF 100V C205 24794100 EL 10uF 20 16V 24668101 EL 100uF 20 35V C207 24436270 CD 27pF 24668100 EL 10uF 20 35V C208 24436270 CD 27pF 24666100 EL 10uF 20 16V C209 24436270 CD 27pF 24666100 EL 10uF 20 16V C216 24206108 EL 0 1uF 22096 50V 24082825 PF 1800pF 3 1800V 27AF61 24085981 EL 10uF 20 16V C216 24797100 EL 10uF 20 50V 27AF41 Non Polar C220 24539474 PF 0 47uF 24503041 PF 0 1uF 63V 221 24232103 CD 0 01uF 8096 20 24591103 O 01uF 222 24232103 0 01uF 48096 20 24797010 EL 1uF 20 50V 0223 24232103 CD 0 01uF 8096 20 24503041 PF O 1uF 63V C224 24503041 PF 0 1uF 63V 24763221 EL 220uF 20 16V C225 24503041 PF 0 1uF 63V 27AF61 C226 24503041 PF 0 1uF 63V 24232103 CD 0 01uF 48090 20 C245 24797470 EL 47uF 20 50V 27AF61 24214821 CD 820pF 10 500V C245 24206108 EL 0 1uF 20 50V 24567273 PF 0 027uF 27AF41 24678010 EL 1uF 20 200V C261 24503041 PF 0 1uF 63V 24214391 CD 390pF 10 500V C262 24503041 PF 0 1uF 63V 24794101 EL 1004F 20 16V C263 24503041 PF 0 1uF 63V 24232103 CD 0 01uF 48090 20 C300 24503041 PF 0 1uF 63V 24794101 EL 1004F 20 16V C304 24693473 0 047uF 100V 24829433 PF 0 043uF 400V C306
26. 3k ohm 27AF41 CF 4700 ohm CF 2200 ohm CF 1500 ohm CF 2700 ohm Diode 155133 CF 100 ohm CC 22M ohm 10 1 2W CD 4700pF 10 500V Coil Ferrite Bead TEM2011Y Coil Choke TLN3481AD Diode Zener MTZJ7 5B RF Switch RSU133X6 27AF61 F Connector 27AF41 Nut F Connector Remote Sensor PIC TB17 Plug 2P Jack 5P Jack Phono 3P Plug 10P Socket B B 10P Switch Push 1C1P Switch Push 1C1P Switch Push 1C1P Switch Push 1C1P Switch Push 1C1P Switch Push 1C1P Switch Push 1C1P Relay DC12V Relay DC12V Relay DC12V Speaker SPK 1360 60X120mm 8 ohm EC Location No W662 X401 X501 XA01 Z401 2101 Description 23351088 Speaker SPK 1360 23153721 23153961 23153504 23140203 70108925 60X120mm 8 Ceramic Resonator 503kHz TCR1023 ohm Crystal 3 58MHz Ceramic Resonator 8 00MHz TCR1056BM SG GAP SG99B3EN Resonator 4MHz TCR1071 PC BOARD ASSEMBLIES 08016 U801G U801P U801P U901G U901P U902G U902G U902P U902P U905 23786307 23786542 23796306 23786538 23786314 23786315 23786324 23786549 23786326 23786548 23786166 PICTURE TUBE NV901 TUNER HVO1 23312921 23321379 ACCESSORIES K912 K912 V101 V101 V101F V101F 23306263 23306359 23565243 23565273 23565244 23565274 CABINET PARTS A201 A213 A224 A40
27. 45 DV46 DV47 Part No 23316660 23118518 23118518 23118518 23118518 23118518 23316716 23118518 23118518 23316716 23316686 MISCELLANEOUS B230 B231 B232 BBO3A BBO3B BBO3C BB04A 4 F424 F470 F470A F801A F802A G060 G217 G217 G301 G306 G307 G312 G317 G3369 G380 G405 G463 G808 N G884 H003 H003 H003A KBO1 P910 PVO2 PV04 PZ01 PZOTA SA01 SA02 SA03 SA04 SA05 SA06 SA07 SJO1 SR81 SR83 W661 23037312 23035412 23035312 23903022 23903022 23368627 23902749 23368517 23144454 23144731 23165433 23165433 23165433 24366470 24366153 24366333 24366472 24366222 24366152 24366272 23118859 24366101 24946226 24214472 23103880 23248227 23316681 23344421 23364765 23740989 23906805 23164725 23365949 23365763 23368130 23902213 23145430 23145430 23145430 23145430 23145430 23145430 23145430 23146958 23146564 23146564 23351088 Description Diode Zener MTZJ3 9A Diode Zener RD9 1ESA Diode Zener RD9 1ESA Diode Zener RD9 1ESA Diode Zener RD9 1ESA Diode Zener RD9 1ESA Diode Zener MTZJ11B 27AF41 Diode Zener RD9 1ESA Diode Zener RD9 1ESA Diode Zener MTZJ11B Diode Zener MTZJ9 1A Screw BTBW 3X12 SZN Screw BTB 4X12 SZN Screw BTB 3X12 SZN Socket 8P Socket 8P Plug 8P Socket B B 6P Plug B B 6P Fuse 2 0A S 125V 27AF61 Fuse 1 6A 125V Holder Fuse Holder Fuse Holder Fuse CF 47 ohm CF 15k ohm 27AF61 CF 3
28. 470 ohm 3900 ohm 2700 ohm 4700 ohm 4700 ohm 4700 ohm 4700 ohm 270k ohm 330k ohm 2k ohm 18k ohm 1k ohm 3300 ohm 33k ohm 1 2 ohm 1W 180k ohm 1 2W Metal Glazed Resistor 180k ohm 1 2W Metal Glazed Resistor 180k ohm 1 2W Metal Glazed Resistor 180k ohm 1 2W CF CF CF GE CE CF CF GF 18k ohm 56k ohm 8200 ohm 330 ohm 1k ohm 1k ohm 13k ohm 6800 ohm 22k ohm 10k ohm 22k ohm 10k ohm 22k ohm 4700 ohm 5600 ohm 1k ohm 39k ohm 13k ohm 1k ohm 100k ohm 4700 ohm 1k ohm 220 ohm 2k ohm 1000 ohm 1 4W 6200 ohm 1k ohm 1k ohm 27AF61 1k ohm 1k ohm 1k ohm 1k ohm MR Location No RAO7 08 09 10 13 14 15 16 RA17 RA18 RA20 RA21 RA22 RA23 RA24 RA25 RA26 RA27 RA33 RA34 RA35 RA36 RA37 RA38 RA40 RA41 RA61 RA62 RA67 RA68 RA71 RA72 RA73 RA74 RA99 RA201 RBO1 RBO3 RBO9 RB11 RB21 RB22 RB23 RB24 RB25 RB30 RB43 RB44 RB45 RB46 RB47 RB48 RB49 RD80 RD81 RD82 RD83 RD85 RGO2 RGO3 RGO5 RG08 RG09 RG14 Part No 24366102 24366102 24366102 24366103 24366103 24366102 24366102 24366102 24366102 24366102 24366221 24366102 24366331 24366331 24366331 24366331 24366102 24366102 24366103 24366471 24366102 24366103 24366331 24366331 24366101 24366101 24366103 24366103 24366472 24366472 24366683 24366223 24366103 2436
29. 61 Coil Peaking 27AF61 Coil Peaking 1k ohm 1k ohm 3300 ohm 1 16W 1200 ohm 1 16W 470 ohm 1 16W 820 ohm 1 16W 1200 ohm 1 16W 100 ohm 1 16W 470 ohm 1 16W 3300 ohm 1 16W 1200 ohm 1 16W 390 ohm 1 16W 390 ohm 1 16W 470 ohm 1 16W 1200 ohm 1 16W 3300 ohm 1 16W 100 ohm 1 16W 470 ohm 1 16W 330 ohm 1 16W 330 ohm 1 16W 1 16W 1 16W TRF4680AT TRF4220AF TRF4109AJ TRF4109AJ 27AF61 Coil Ferrite Bead TEM2011Y Coil Peaking TRF4101AC Coil Peaking TRF4100AJ Coli Linearity TLN2083G RS107 RS108 RS109 RS111 24366473 CF 47k ohm L301 24366473 CF 47k ohm L302 24366103 CF ohm L400 24366222 CF 2200 ohm ML441 23103880 23237975 23238714 23233045 Location No L442 NL447 N L461 L500 L501 L702 L704 L705 L805 L806 L815 L816 L883 L885 L886 L902 L903 L904 L905 L906 1907 1908 1910 LAO1 LA28 LVO1 LV03 LV04 LV45 LV99 LZ01 LZ02 LZ03 LZ04 LZ05 LZ08 LZ11 LZ12 T400 T1401 A T461Z T840 Part No 23248122 23248282 23248179 23289840 23289844 23261974 23103859 23103859 23248227 23248227 23103880 23103880 23103880 23248073 23103880 23289101 23289101 23289101 23289390 23289390 23289390 23289100 23237991 23289100 23103775 23289840 23103852 23103852 23289840 23103845 23238710 23238714 23238714 23238714 23238714 23238707 23238710 23238710 23224364 23224367 23236645
30. 6333 24366223 24366472 24366271 24366101 24366470 24366103 24366472 24366122 24366222 24366472 24366472 24366103 24366103 24366103 24366181 24366101 24366332 24366473 24366332 24366102 24366152 24366103 24366102 24366103 24366101 24366101 24366102 24366394 24366473 24366332 Description 1k ohm 1k ohm 1k ohm 10k ohm 27AF61 10k ohm 1k ohm 1k ohm 1k ohm 1k ohm 1k ohm 220 ohm 1k ohm 330 ohm 330 ohm 330 ohm 330 ohm 1k ohm 1k ohm 10k ohm 470 ohm 1k ohm 10k ohm 330 ohm 330 ohm 100 ohm 100 ohm 10k ohm 10k ohm 4700 ohm 4700 ohm 68k ohm 22k ohm 10k ohm 33k ohm 22k ohm 4700 ohm 270 ohm 100 ohm 47 ohm 10k ohm 4700 ohm 1200 ohm 2200 ohm 4700 ohm 4700 ohm 10k ohm 10k ohm 10k ohm 180 ohm 100 ohm 3300 ohm 47k ohm 3300 ohm 1k ohm 1500 ohm 10k ohm 1k ohm 10k ohm 100 ohm 100 ohm 1k ohm 390k ohm 47k ohm 3300 ohm 27AF61 27AF61 27AF61 SPECIFIC INFORMATIONS SPECIFIC INFORMATIONS Location No RG15 RG16 RG17 RG22 RG23 RG41 RG43 RG44 RG60 RG61 RG62 RG63 RG64 RG66 RG67 RG68 RG69 RG70 RG71 RG72 RJO1 RJ02 RJO4 RJO5 RJ06 RRO1 RRO2 RRO3 RRO4 RRO5 RR06 RR07 RR08 RR93 RS02 RS04 RS08 RS10 RS14 RS16 RS25 RS26 RS40 RS42 RS43 RS44 RS60 RS61 RS62 RS63 RS64 RS65 RS66 RS68 RS69 RS70 RS71 RS101 RS102 RS105 Part NO 24327153 MF 15k ohm 1 1 4W 24366162 24366472 24366101 24366101 24366103 24366472 24366222 24366
31. 680 23118859 23118529 23358522 23118859 23316817 23358564 23358501 23316817 23118504 Description Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Diode Zener MTZJ2 4B Zener MTZJ15B ERCO6 15L EU2A LF F10 RU4Z LF L1 Zener MTZJ10B Zener RD8 2ESA B2 Zener MTZJ4 7A Zener MTZJ5 1B Zener RD12ESA B3 Zener MTZJ9 1B EU2A LF F10 ERB44 06 E Zener MTZJ12B ERB44 06 E Zener RD6 2E 4 155133 Zener MTZJ16A 155133 155133 155133 155133 155183 155133 155133 155133 155133 LN6SB60 F05 155133 EU2A LF F10 155133 Zener MTZJ27B Zener MTZJ5 6C SIWBAZO 4101 109133 Zener MTZJ5 6C 1SS133 1SS133 RU 4AM LF L1 EU2A LF F10 1SS133 1SS133 1SS133 1SS133 155133 155133 155133 155133 155133 151834 151832 151832 Zener MTZJ7 5A 155133 Zener RD5 6ESA B2 LED SIR 56SB3F 155133 155120 7 LED SLR 56VC3FPO 27AF61 Diode LED SCL003URC5F 27AF41 Diode Diode 1SS120 7 Zener RD15ESA B3 Location No DS106 DV03 DVO5 DV13 DV15 DV19 DV26 DV27 DV
32. 740S O Transistor 2SC1815 Y Transistor 2SC1815 V Transistor RN1204 Transistor RN1204 Transistor 2SC1740S O IC LA7846N Screw BRDT2W3X10 SZN IC TA1241AN 00 Location No 0306 0308 0360 0361 0370 0390 0391 0402 0403 0404 0404B 0421 0421B 0462 0463 O463B O465 O471 O472 O480 0481 0482 0483 0503 Q610B O611 O612 O613 O706 Q707 Q709 Q710 Q711 Q712 Q719 Q720 Q801B Q805 Q830 Q830B Q840 Q843 Q850 Q862A 0883 O901 O902 Q903 O904 O905 O906 O907 Q908 Q910 Q911 Q912 Q913 O914 O920 O921 O922 O923 O924 O925 Part No 23114530 23114528 23114528 23314445 23114530 B0350510 23314548 A6330069 23314444 A6873777 72471082 23314141 23035308 23114530 23314938 72471082 A6317440 A6534020 A6317440 A6532853 A6317440 A6317440 A6012010 23114528 70391356 A6342200 23314962 A6342200 A6317440 23114528 23114528 23114530 A6550640 A6369650 23114528 23114528 72471082 A6002050 23314141 23035308 23318299 A6002050 23314707 23960136 23319692 A6368700 A6317440 A6368700 A6317440 A6368700 A6317440 23114530 A6321240 A6317440 23114528 23114530 23114530 A6317440 23114528 23114528 23114528 23114528 23114528 23114528 Description Transistor Transistor Transistor Transistor Transistor 25 9335 25 17405 25 17405 25 4721 25 9335 IC 755585 Transistor Transistor Transistor Transistor 25C4256 2CS2482 FA 1
33. AC outlet and repeat AC voltage measurements for each exposed metallic part Voltage measured must not exceed 0 3 volts rms This corresponds to 0 2 milliamp AC Any value exceeding this limit consti tutes a potential shock hazard and must be corrected im mediately AC VOLTMETER Place this probe on each exposed metallic part 10 watt PRODUCT SAFETY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics These characteristics are often passed unnoticed by a visual inspection and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage wattage etc Replacement parts which have these special safety char acteristics are identified in this manual and its supplements electrical components having such features are identified by the international hazard symbols on the schematic diagram and the parts list Before replacing any of these components read the parts list in this manual carefully The use of substitute replacement parts which do not have the same safety characteristics as specified in the parts list may create shock fire X ray radiation or other hazards 40 E LLI 2 2 mr a L lt oc LLI LU o c LLI e Y p lt cc LLI c LLI O WARNING BEFORE SERVICING THIS CHASSIS READ THE X RAV RADIATION PRECAUTION SAFETV PRECAU TION AND PR
34. HECK DATA on page17 The Fail Safe FS circuit check is indispensable for the final check in servicing Checking should be done following the steps below 1 Turn the receiver on and press the RESET button 2 Temporarily short TP R and TP X with a jumper wire Defective Fail Safe Circuit Raster and sound will disappear 3 The receiver must remain in this state even after removing the jumper wire This is the evidence that the FS circuit is functioning properly 4 To obtain a picture again temporarily turn the receiver off and allow the FS circuit more than 5 seconds to reset Then turn the power switch on to produce a normal pic ture NO 4 INFORMATIONS SETTING amp ADJUSTING DATA SAFETY INSTRUCTIONS J OO O HIGH VOLTAGE AT ZERO BEAM 28 3kV MAX HIGH VOLTAGE B 29 7kV Table 1 SERVICE MODE J ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE H HIT r R CUTOFF 40 HEIGHT G CUTOFF 40H V LINEARITY 06H B CUTOFF 40H V S CORRECTION G DRIVE 40H V SHIFT B DRIVE 40H V COMPENSATION SUB CONTRAST 08H PICTURE WIDTH SUB BRIGHT 40H E W PARABOLA DPC SUB COLOR 40H E W CORNER SUB TINT 40H TRAPEZIUM SAP VCO 88H H COMPENSATION ATTENUATOR 08H V F CORRECTION SAP FILTER 88H PIP COLOR STEREO VCO 1CH PIP TINT STEREO FILTER 16H DAC SPECTRAL 30H PIP STEREO SEPARATION 22H PIP HORIZ POSITION 16H PIP VERT POSITION 03H RGB BRIGHT TTT TTT
35. NPUT VIDEO 1V p p 75 ohm negative sync AUDIO 150mV rms 3096 modulation equivalent 47k ohm ColorStream Color Difference VIDEO AUDIO INPUT Y 1V p p 75 ohm Cr 0 7V p p 75 ohm Cb 0 7V p p 75 ohm AUDIO 2V p p 1 kohm DIMENSIONS Width 785 mm Height 584 mm Depth 499 mm 34 0 kg Approx Ale TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN
36. ODUCT SAFETV NOTICE ON PAGE 3 OF THIS MANUAL SET UP ADJUSTMENT FOR 13 14 19 20 The following adjustments should be made when a complete realignment is required or a new picture tube is installed Perform the adjustments in order as follows 1 Color Purity 2 Convergence 3 White Balance Note The PURITY CONVERGENCE MAGNET assembly and rubber wedges need mechanical positioning Refer to figure 1 Mounting position of the purity magnet assembly should fit to same position as old one because slightly difference to the position depend on a kind of tube There are no adjustment of purity and convergence in some picture tube Unified with purity magnet COLOR PURITY ADJUSTMENT NOTE Before attempting any purity adjustments the receiver 1 should be operated for at least fifteen minutes Demagnetize the picture tube and cabinet using a degauss ing coil 2 Set the brightness and contrast to maximum 3 4 Loosen the clamp screw holding the yoke and slide the Use a green raster from among the built in test signals yoke backward or forward to provide vertical green belt zone in the picture screen DEFLECTION YOKE 14mm 13 14 19mm 19 20 PURITY CONVERGENCE MAGNET ASS Y GLASS CLOTH TAPES Figure 1 Remove the Rubber Wedges Rotate and spread the tabs of the purity magnet See fig ure 2 around the neck of the picture tube until the green belt is in the center
37. P497X e 6 TIN 3 CRT DRIVE BOARD PB9973 BOTTOM FOIL SIDE 90 are OG SS INA dg 4 a c G ues 3L BOARD PB9398 BOTTOM FOIL SIDE 30 o 2SD2253 old 2SC5243 RN2203 RN2201 RN2004 RN1203 RN1204 RN2204 RN1205 RN1202 RN1201 TERMINAL VIEW OF TRANSISTORS 2SC3852 2SD1763A 2SC1569 2SC4544 2SA1788 2SA1306 2SA1186A 2SD1554 25D2253 25D1556 25D2553 2505143 3 25C752G TM 4 2502482 2502655 2SC4721P ON4409 m O VS 38 25 752 25 562 25 1015 25 1815 25 2878 2SC1740S 2SC2120 2SA9335 E BC 8 2SA1788 2 lt 2 oc LL lt o MEMO d SPECIFICATIONS Representative 27AF61 TELEVISION SYSTEM NTSC standard SPECIFIC INFORMATIONS CHANNEL COVERAGE VHF 2 through 13 UHF 14 through 69 Cable TV mid band A 8 through A 1 A through 1 super band J through W hyper band AA through ZZ AAA BBB ultra band 65 through 94 100 through 125 POWER SOURCE 120V AC 60Hz AUDIO POWER oW SW SPEAKER TYPE 2 3 8 x 4 3 4 inches 60 x 120 mm VIDEO AUDIO TERMINALS S VIDEO INPUT Y 1V p p 75 ohm negative sync C 0 286V p p burst signal 75 ohm VIDEO AUDIO I
38. See SETTING amp ADJUSTING DATA on page 17 Each time a receiver requires servicing the high voltage should be checked following the HIGH VOLTAGE CHECK procedure in this manual It is recommended that the read ing of the high voltage be recorded as a part of the service record It is important to use an accurate and reliable high voltage meter 2 This receiver is equipped with a Fail Safe FS circuit which prevents the receiver from producing an excessively high voltage even if the B voltage increases abnormally Each time the receiver is serviced the FS circuit must be checked to determine that the circuit is properly functioning follow ing the FS CIRCUIT CHECK procedure in this manual The only source of X RAY RADIATION in this TV receiver is the picture tube For continued X RAY RADIATION pro tection the replacement tube must be exactly the same type tube as specified in the parts list Some part in this receiver have special safety related char acteristics for X RAY RADIATION protection For contin ued safety parts replacement should be undertaken only after referring to the PRODUCT SAFETY NOTICE below SAFETY PRECAUTION WARNING Service should not be attempted by anyone unfa miliar with the necessary precautions on this receiver The fol lowing are the necessary precautions to be observed before servicing this chassis 1 Anisolation Transformer should be connected in the power line between the receiver a
39. TOSHIBA FILE NO 020 200103 SERVICE MANUAL COLOR TELEVISION NIN Chassis 27 61 27AF41 TABLE OF CONTENTS eal sau GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS ERN X 3 SETUP ADIU S 4 SERVICE MODE mE E E E E RH 8 BESON MOD iia 11 ELECTRICAL ADJUSTMENT J 12 HI HE 11111111 5 5 0 16 SPECIFIC INFORMATIONS BETTING 2 ADJUS 0 AA ee ee 17 LOCATION OF CONTROLS sti 18 PROGRAMMING CHANNEL 20 3 1 1 111 1100 21 CHASSIS AND CABINET REPLACEMENT PARTS 22 PC BOR isciemounus 33 TERMINAL VIEW OF TRANSISTORS 4 39 EE 41 APPENDIX CIRCUIT DIAGRAM OVS GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS WARNING BEFORE SERVICING THIS CHASSIS READ THE X RAY RADIATION PRECAUTION SAFETY PRECAU TION AND PRODUCT SAFETY NOTICE INSTRUCTIONS BELOW X RAY RADIATION PRECAUTION 1 Excessive high voltage can produce potentially hazard ous X RAY RADIATION To avoid such hazards the high voltage must not be above the specified limit The nominal value of the high voltage of this receiver is A kV at zero beam current minimum brightness under a 120V AC power source The high voltage must not under any cir cumstances exceed B kV Refer to table 1 for high voltage A B
40. V CD 4700pF 20 AC250V CD 4700pF 20 AC250V CD 4700pF 20 AC250V CD 330pF 10 2kV PF 2200pF 3 1250V CD 470pF 10 500V PF 0 1uF 63V CD 470pF 10 PF 680pF EL 47uF 20 16V EL 220uF 20 25V EL 100uF 20 6 3V EL 4 7uF 20 50V EL 47uF 20 16V EL 330uF 20 160V CD 470pF 10 500V EL 2200uF 20 35V PF 0 022uF CD 330pF 10 2kV PF 0 22uF CD 1000pF 41090 2kV CD 680pF CD 680pF CD 680pF EL 22uF 2096 250V 0 47uF 20 5OV 10uF 20 16V 470uF 42090 16V 10uF 20 16V CD 0 01uF 10 CD 0 01uF 48090 20 CD 0 01uF 48090 20 CD 100pF 10 500V EL 47uF 20 16V EL 47uF 20 16V EL 47uF 20 16V PF 0 01uF EL 2 2uF 10 50V PF 0 47uF 63V PF 0 02uF CD 1000pF 10 EL 470uF 2096 16V EL 470uF 2096 16V PF 0 047uF 63V PF 1100pF 3 1250V PF 0 22uF SPECIFIC INFORMATIONS 24214472 CD 4700pF 10 500V 24794470 EL 47uF 20 16V 24435560 CD 56pF 500V 24709100 EL 10uF 20 200V 24794470 EL 47uF 20 16V 24436561 CD 560pF 24212102 CD 1000pF 10 24503002 PF 0 22uF 20 AC275V 24503001 PF 0 1uF 24092623 0 01uF 48090 20 AC250V CA13 CA13 CA33 CA36 CA37 CA38 CA42 CA43 CA44 CA68 CA69 24436470 CD 47pF 27AF61 24212101 CD 100pF 10 27AF41 24232103 CD 0 01uF 80 20 24212101 CD 100pF 10 24212101 CD 100pF 10 24212101
41. VEMENT CIRCUMFERENCE CONVERGENCE ADJUSTMENT Loosen the clamping screw of deflection voke slightiv to allow the voke to tilt Temporarilv put a wedge as shown in figure 1 Do not remove cover paper on adhesive part of the wedge Tilt front of the deflection voke up or down to obtain better convergence in circumference See figure 3 Push the mounted wedge into the space between picture tube and the yoke to fix the yoke temporarily Put other wedge into bottom space and remove the cover paper to stick Tilt front of the yoke right or left to obtain better conver gence in circumference See figure 3 Keep the yoke position and put another wedge in either upper space Remove cover paper and stick the wedge on picture tube to fix the yoke Detach the temporarily mounted wedge and put it in an other upper space Stick it on picture tube to fix the yoke After fixing three wedges recheck overall convergence Tighten the screw firmly to fix the yoke and check the yoke is firm Stick three adhesive tapes on wedges as shown in figure 1 ADJUST THE ANGLE VERTICAL LINES ROTATE TWO TABS AT THE SAME TIME HORIZONTAL LINES ADJUSTMENT OF MAGNETS RED BLU GRN RED BLU 6 POLE MAGNETS MOVEMENT Center Convergence by Convergence Magnets RGB INCLINE THE YOKE UP OR DOWN INCLINE THE YOKE RIGHT OR LEFT Circumference Convergence by DEF Yoke Figure 3 Dot Movement Pattern em 70 E LU
42. e data value to achieve 1 8Vo p of blue bar on scope 10 Check the picture with off air signal 3 1 8 WIDTH 1 Call up the adjustment mode display then select the item WID WID 2 Press the VOLUME A or V button to get the picture so the left and right edges of raster begins to lack 3 Press the VOLUME A or V button to advance the data by 7 steps Note Check the horizontal picture position is correct E W PARABOLA Call up the adjustment mode display then select the item DPC DPC 2 Press the TV VIDEO button on Remote until the cross hatch pattern appears on the screen Press the VOLUME A or Y button to make vertical lines straight as shown below 12 ITEM ADJUSTMENT PROCEDURE HORIZONTAL POSITION Call up the adjustment mode display then select the item HPOS or VPOS HPOS Press the TV VIDEO button on Remote until the VERTICAL POSITION white cross bar or black cross bar pattern appears VPOS on the screen Adjust the HORIZONTAL and VERTICAL position alternately by pressing the VOLUME A or V button for proper picture position Check the picture with off air signal HEIGHT Call up the adjustment mode display then select the item HIT HIT Press the VOLUME A or V button to get the picture so the top of raster begins to lack Press the VOLUME A button to advance the data by 9 steps Note Check the vertical picture position is correct GENERAL ADJUSTMENTS WHITE BALANCE
43. e preset channels with the ADD ERASE functions so that you can tune into only desired channels Note If you utilize both ANT 1 and ANT 2 terminals for some model perform programming channels for each input source TV CABLE function Press MENU then press or lt until the SET UP menu appears Press Y or A until TV CABLE is highlighted Press or to highlight either TV or CABLE which ever you use CH PROGRAM function 1 2 Select CH PROGRAM following steps 1 and 2 above Press or to start channel programming The TV will automatically cycle through all the TV or CA BLE channels selected by the TV CABLE function and store active channels in the channel memory When channel programming is complete you will see the message to the right appears Press CHANNEL A or V to make sure the channel pro gramming has been done properly ADD ERASE function After performing the CH PROGRAM function you can add or erase specific channels 1 5 Select the channel vou want to erase using the CHAN NEL A or W button or select the channel vou want to add using the Channel Number buttons Press MENU then press or until the SET UP menu appears Press Y or A until ADD ERASE is highlighted Press gt or 4 To erase the channel Press the button until ERASE is highlighted To add the channel Press the button until ADD is highlighted Repeat steps 1 to 4 for other channels
44. element on scope becomes minimum Shortcircuit RG44 with a short jumper Connect 1Mohm resistor between pin 12 of 01 and ground Displav item SAVC on screen Connect frequencv counter to pin 34 of QG01 Change data by VOLUME A V buttons so that the reading of counter becomes value as close as 78 67kHz Remove the short jumper and 1M ohm resistor 70 E LU 2 o a L lt LU LLI o CIRCUIT CHECKS HIGH VOLTAGE CHECK Troubleshooting Guide for Fail Safe Circuit CAUTION There is no HIGH VOLTAGE ADJUSTMENT on this chassis Checking should be done following the steps below Check that the set returns to normal operation when pin 12 1 Connect an accurate high voltage meter to the second an of Z801 or emitter of Q472 is grounded with jumper wire ode of the picture tube 2 Turn on the receiver Set the BRIGHTNESS and CON YES NO lt TRAST controls to minimum zero beam current 3 High voltage must be measured below B kV Check the voltage across Faulty power Refer to table 1 for high voltage B Capacitor C471 is circuit or hori 2 See SETTING amp ADJUSTING DATA on page 17 approximately C volts zontal circuit 4 Vary the BRIGHTNESS control to both extremes to be sure Refer to table 4 for the high voltage does not exceed the limit under any con fail safe voltage C ditions Per See SETTING amp ADJUSTING FS CIRCUIT C
45. em STVC and connect pin 9 of STVC HOO2 to ground Connect frequency counter to pin 12 of HOO2 Change data by Volume A W buttons so that the reading of counter becomes value as close as 4fH 62 936kHz 2 SAP VCO e 78 670kHz 147mVrms Display item SAVC SAVC pin 9 of H002 Change data by Volume A V buttons so e Monaural signal gt ANT that the data becomes in the center of range for STA7 0 and STA8 1 70 LLI 2 2 gt a L lt LLI o SAVC 88H STA7 0 STAS STEREO FILTER 9 4kHz 600mVrm Display item STRF on screen STRF gt pin 9 of H002 Change data by Volume A W buttons so Monaural signal ANT that the data becomes in the center of range for STA3 1 STRF 16H STA3 1 SAP FILTER 88kHz 110mVrms Display item SAPF SAPF pin 9 of H002 Change data by Volume A F buttons so Monaural signal gt ANT that the data becomes in the center of range for STA4 1 SAPF 98H ATTENUATOR e 1kHz 3090 mod gt ANT Connect rms meter to pin 12 of HOO2 ATT terminal Display item ATT on screen Change data by Volume A buttons so that output at pin 12 of H002 becomes value as close as 130mVrms STEREO SEPARATION STEREO 300Hz R channel Select STEREO mode from the MTS WBAN only gt ANT function in the Audio menu Display item WBAN on screen Connect oscilloscope to pin 14 of HOO2 Change data by Volume A buttons so that 300H
46. ets B Xv COIL ADJUSTMENT Adjust the Xv coil on the deflection yoke to correct misconvergence at both sides on screen Use a hexagonal tip stick plastic to adjust the core of coil Clockwise Adjustment Counterclockwise Adjustment Ferrite Sheets For correcting misconvergence on the position A Xy Cross Pattern View SERVICE MODE 1 ENTERING TO SERVICE MODE 1 Press MUTE button once 2 Press MUTE button 3 While pressing the MUTE button on Remote Control again to keep pressing press MENU button on TV set MUTE 2 DISPLAYING THE ADJUSTMENT MENU 1 Press MENU button on TV Service mode Adjustment mode Press Press 3 KEY FUNCTION IN THE SERVICE MODE The following key entry during display of adjustment menu provides special functions Service mode display Y c LLI e pr Q lt lt cc LLI L LLI o Item Data A single horizontal line ON OFF TV ANT VIDEO button on TV Test signal selection TV ANT VIDEO button on Remote Selection of the adjustment items Channel A V on TV or Remote Change of the data value Volume A Y on TV or Remote Adjustment menu mode ON OFF MENU button on TV Initialization of the memory QA02 RECALL Channel button on TV A Initialization of the self diagnostic data RECALL Channel button on TV W RCUT selection 1 button GCUT selection 2 button BCUT selection 3 button SCNT selection 4 but
47. m CF 3900 ohm CF 1k ohm CF 470 ohm CF 330 ohm CF 1800 ohm OMF 10 ohm 1 2W OMF 330 ohm 1 2W CF 82 ohm CF 68k ohm CF 82 ohm CF 68k ohm CF 62 ohm CF 1500 ohm CF 1k ohm CF 1500 ohm CF 62 ohm CF 2 7 ohm CF 2 7 ohm OMF 220 ohm 2W CF 1200 ohm CF 1200 ohm AC140V Cement 0 82 ohm 10 10W CF 10k ohm OMF 4700 ohm 1 2W MF 0 1 ohm 1W OMF 100 ohm 1 2W CF 1500 ohm MF 0 12 ohm 1W FR 5 6 ohm 2W CF 560 ohm OMF 470 ohm 1 2W MF 7 5 ohm 1W CF 560 ohm Location No Part No 24553153 24552102 24366471 24321228 24366102 24002000 24376561 24376561 24376561 24366103 24366101 24366102 24366561 24366101 24366470 24366471 24366820 24366102 24000568 24366561 24366101 24366391 24366820 24366471 24366102 24366561 24366101 24366820 24366272 24366750 24366391 24366821 24366750 24366471 24366101 24366821 24366392 24366392 24366392 24366470 24366470 24366103 24366103 24366103 24366302 24366682 24366101 24366122 24366822 24383153 24383153 24383153 24383153 24383153 24383153 24366472 24366102 24366122 24366102 24366102 24366471 24366821 24366103 24366222 Description OMF 15k ohm 1W OMF 1k ohm 1 2W CF 470 ohm MF 0 22 ohm 1 2W CF 1k ohm CC 3 9M ohm 10 1 2W CF 560 ohm 1 2W CF 560 ohm 1 2W CF 560 ohm 1 2W CF 10k ohm CF 100 ohm CF 1k ohm CF 560 ohm CF 100 ohm CF 47 ohm CF 470 ohm CF 82 ohm CF 1k ohm
48. nd the AC line before any serv ice is performed on the receiver 2 Always discharge the picture tube anode to the CRT con ductive coating before handling the picture tube The pic ture tube is highly evacuated and if broken glass frag ments will be violently expelled Use shatter proof gog gles and keep picture tube away from the unprotected body while handling 3 When replacing a chassis in the cabinet always be cer tain that all the protective devices are put back in place such as non metallic control Knobs insulating covers shields isolation resistor capacitor network etc 4 Before returning the set to the customer always perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas terminals screwheads metal overlays control shafts etc to be sure the set is safe to operate without danger of electrical shock Plug the AC line cord directly into a 120V AC outlet do not use a line isolation transformer during this check Use an AC voltmeter having 5000 ohms per volt or more sensitivity in the following manner Good earth ground such as a water pipe conduit etc 1500 ohm Connect a 1500 ohm 10 watt resistor paralleled by a 0 15 uF AC type capacitor between a known good earth ground water pipe conduit etc and the exposed metallic parts one at a time Measure the AC voltage across the combi nation of 1500 ohm resistor and 0 15 uF capacitor Re verse the AC plug at the
49. ntical with originals Before replacing any of these components read carefully the PRODUCT SAFETY NOTICE Do not degrade the safety of the receiver through improper servicing NOTICE e he part number must be used when ordering parts in order to assist in processing be sure to include the Model number and Description e The PC board assembly with mark is no longer available after the end of the production Model 27AF61 27AF41 Capacitors CD Ceramic Disk PF Plastic Film EL Electrolytic Resistors CF Carbon Film CC Carbon Composition MF Metal Film OMF Oxide Metal Film VR Variable Resistor FR Fusible Resistor All CD and PF capacitors are 5 50V and all resistors 5 1 6W unless otherwise noted od Part No Description a Part No Description No CAPACITORS 24082057 PF 0 22uF 100V C102 24793221 EL 220uF 20 10V 24793101 EL 1004F 2090 C105 24212102 CD 1000pF 10 24212222 CD 2200pF 10 C106 24797479 EL 4 7uF 20 50V 24214471 CD 470pF 10 500V C107 24763221 EL 220uF 20 16V 24073041 EL 470uF 2090 16V C110 24794470 EL 47uF 2096 16V 24212102 CD 1000pF 10 C112 24793221 EL 220uF 20 10V 24669101 EL 1004F 2090 50V 27AF61 24503041 PF 0 1uF 63V C115 24212102 1000pF 10 27AF61 24436471 CD 470pF C117 24763221 EL 220uF 22096 16V 24591433 PF 0 043uF 27AF61 24797229 EL 2 2uF 20 50V C150 24794101 EL 100uF
50. oss bar Signals Picture on green raster Red raster A Red raster H signal black Green raster Green raster H signal white All Black Blue raster A e All White White cross dot All black Black amp White Y Black cross dot All white White cross hatch White and black e Black cross bar White cross bar e Black cross bar White cross bar on green raster Black cross hatch Black cross bar ack cross hatc e Black cross hatch White cross hatch Note If the video cable is connected to the VIDEO1 INPUT jack the Black cross dot built in pattern signals are not displayed e White cross dot H signal white H signal black The signals marked with 77 are not usable to display in the Test signal for some model Y c LLI e L cc LU c LLI o 8 SELF DIAGNOSTIC FUNCTION 1 Press 9 button on Remote Control during display of adjustment menu in the service mode The diagnosis will begin to check if interface among ICs are executed properly 2 During diagnosis the following displays are shown SELF CHECK 0 8 9 09 1 Part number of microprocessor QA01 2 Operation number of protection circuit current limiter 000 is normal 3 BUS line Normal Rico m SCL GND or SAD GND short circuit 4 BUS line ACK acknowledge check o Normal Display of Location Number NG Display example
51. tabs of the purity magnet See MAGNET figure 3 around the neck of the picture tube until the Xv Coil green belt is in the center of the screen At the same time center the raster vertically by adjusting the mag net as shown below Figure 1 RUBBER WEDGES Green Belt 7 Move the yoke slowly forward or backward until a uni form green screen is obtained Tighten the clamp screw of the yoke temporarily 8 Check the purity of the red and blue raster 9 Put four wedges into the space between the picture tube and the yoke to hold the yoke in the adjusted position See figure 2 Do not tilt the yoke by excessive insertion of the wedge 10 Remove cover paper of wedge and stick wedges on the tube to fix the yoke in the adjusted position Fix the wedges with glass cloth tapes DEFLECTION YOKE Figure 2 CONVERGENCE ADJUSTMENTS NOTE Before attempting any convergence adjustments the receiver should be operated for at least fifteen 6 POLE minutes MAGNETS CENTER CONVERGENCE ADJUSTMENT 1 Display built in cross dot pattern using the TEST SIG NAL SELECTION function 2 Adjust the BRIGHTNESS and CONTRAST Controls for well defined pattern 3 Loosen the tightening ring and adjust two tabs of the PURITY 4 Pole Magnets to change the angle between them MAGNETS See figure 3 and superimpose red and blue vertical lines in the center area of the picture screen o E LLI 2 o mr a lt
52. ton COLC selection 5 button TNTC selection 6 button Self diagnostic display ON OFF 9 button 4 SELECTING THE ADJUSTING ITEMS 1 Every pressing of CHANNEL A button in the service mode changes the adjustment items in the order of table 2 W button for reverse order Refer to table 2 for preset data of adjustment mode See SETTING amp ADJUSTING DATA on page 17 5 ADJUSTING THE DATA 1 Pressing of VOLUME A or V button will change the value of data in the range from 00H to FFH The variable range depends on the adjusting item 6 EXIT FROM SERVICE MODE 1 Pressing POWER button to turn off the TV once INITIALIZATION OF MEMORY DATA OF QA02 After replacing QAOZ the following initialization is required Enter the service mode then select any register item 2 Press and hold the RECALL button on the Remote then press the CHANNEL A button on the TV The initialization of QAO2 has been complated 3 Check the picture carefully If necessary adjust any adjustment item above Perform Programming Channel Memory on the owner s manual CAUTION Never attempt to initialize the data unless QAO2 has been replaced o E LLI e a lt lt LLI o 7 TEST SIGNAL SELECTION 1 Everv pressing of TV VIDEO button on the Remote Control in the Service mode changes the built in test patterns on screen in the following order Normal picture Black cr
53. z element on scope becomes minimum STEREO 3kHz R channel Display item SPEC on screen only gt ANT Change data by Volume A V buttons so that 3kHz element on scope becomes minimum 14 MTS ADJUSTMENT FOR NOES CHASSIS ITEM INPUT SIGNAL ADJUSTMENT PROCEDURE Connect rms meter to pin 34 of QGO1 Display item ATT on screen Change data by VOLUME A Y buttons so ATTENUATOR ATT terminal e 1KHz 30 mod gt ANT STEREO VCO No signal STVC STEREO FILTER 15 734kHz 30mV rms STRF 15 734KHz 30mV rms H001 CG44 RG43 T RG44 STEREO SEPARATION e STEREO 300Hz R channel WBAN only ANT e STEREO 3kHz R channel only ANT SAP VCO No signal SAVC aiba that the reading of meter becomes value as close as 137mVrms Short circuit RG44 with a jumper wire Display item STVC on screen Connect frequency counter to pin 34 of QG01 Change data by VOLUME A Y buttons so that the reading of counter becomes value as close as 15 73kHz Unsolder the solder link SLO2 Display item STRF on screen Connect oscilloscope to pin 34 of QGO1 Change data by VOLUME A V button to minimize AC output level on scope Resolder SLO2 Display item WBAN on screen Connect oscilloscope to pin 35 of QG01 Change data by VOLUME A Y buttons so that 300Hz element on scope becomes minimum Display item SPEC on screen Change data by Volume A W buttons so that 3kHz
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