Protel Schematic - Hobbielektronika.hu
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1. a on E EO Gn maan pee ONEIN Ee Se 0 22uF 50V ed mm C701 Out e Oa pen BEE e EGUES He m 4 Inten SP401 EGE d E FROM XP402 BO GEO L Gm GOA EARPHONE te E Hat XS402 HEGO TT wien A p LE a Fi 1702 R509 amp Ge i Wo eei Ge E b e 5 gia ado cm 1S TOXO Ezko Wun E d a BAIE ee E R 2SA1015 eez K a BME 1703 TZE D50 R507 d 100uH R521 R515 R506 RI36 100K ES Ee psig etea aK SEN Die Ces pon ia DO 1K2 0 5W BOO Miciosw d E 1K2 0 5W Fur sov D100 RUS ve won GIZ SR S SO GIS R501 Lo Bas bea EZ R4 ESE R505 rous d z TATTUMPER ed 10K e 10K 10K ene E pam Cm E g eg 1206 a a 4 RI42 470 mp p e S wi DO c dei T bd eie 2 ben Dout Bu eso EI p GH e ol F i DET Bos geit R512 Hor eai OT GEN 330 EO GOO e PR Word Cat 103 3 OF HE Wwa BZ 1K e EE Ee AE GR I xc Te 1 RN DEZUN de A EE cam c28 SE wis EGIA rri Be 15 2V up 470pF av T 45VA cus Gat UTE Eg Eo EE H 7 2 WE REST GO Mu SS R714 IRIA J OO br E eah Ea 10K 4 4 R140 Hi 39K ban 15K GI l Go 2SAI0ISY R425 100K Gi Cu ONOFF QI em EI l T4HC4053N K 2SCIBISY wu GE AV BOARD 15V Gi wy R128 CLS bo 6KS O Spr l5 z D oO SE S ege S E o S gt g G 5 d e S S o iF ssw ed S a 32. 063 Green Gain 32 40 DC Green 063 063 Blue Gain 32 40 DC Blue 063 063 Apr Threshold 12 12 Logo 6 6 To enter the table 2 press the OK key for the fi control when in the service mode Table 2 Parameter Value Tuner AGC 22 H position 32 VPOS 50 10 VPOS 60 10 VAMP 50 47 VAMP 60 53 Bright max 63 Bright min 00 Sub Tint 32 VCO Coarse 05 VCO Fine 063 VCO Coarse L1 05 VCO Fine L1 080 st time on the remote To enter the table 3 press the OK key for the second time on the remote control when in the service mode Table 3 Parameter Value AGC gain 00 Option 1 48 Option 2 00 Option 3 06 Option 4 09 Option 5 00 ST Ttext 00 H POS OSD 001 VPOS OSD 01 H POS TXT 066 V POS TXT 04 Following are the items of the OPTIONS in more details OPTION B5 P N S Crystals application 0 2 crystals 1 1 crystal B4 Cutoff Loop 0 OFF 1 0N B3 Safety Reset O Active l non B2 Super Tuner 0 0FF 1 0N Bl Sound Demodulation 0 Intercarrier MONO 1 QSS NICAM BO Logo Display 0 0FF 1 ON OPTION2 It s better to keep the default setting option2 0 B5 Half Contrast 0 0FF 1 ON B4 Color 6db 0 0FF 1 ON B3 APR Feature 0 0N 1 OFF B2 Black Stretch 0 0N 1 OFF Bl Auto Flesh 0 0N 1 OFF BO Coring 0 0N 1 OFF OPTION3 B5 AVL O OFF 1 0N B4 PIF Over m
3. G 602 7805 Ge e Ca Com d a E l ES 10 0 5W Tose 7605 45V ES See e I 10uF 16V Lou Za L l Ga E GE am tar mi Ke EES Meda ao SR E u Pp 15K 54 amp y GO A IK 8KX14 V10K 21 Sap 5 65 10uF 16V S pu 88 I Ee F weier E bel 1600 QI 2SD165 1 ST1S03DHI CH 4T0uF 25V ae a d i f Woe 110V SEE EIE oi Eda 730 450 TV83 Bai URES ERIO 1 m4 eal l H 27K0 5w Ge og Cou EGOE EO Kr in T igun car A ZEZ l T603 IDEIEN Za 4 R314 Com H H 0 1uF 250VAC SEO 2K 08 ee DI e ZO SE 4M 2 pta 3 22uF SOV os ZE 105W EE air A A A En Veit sem ER Ces A b D311 omg ee C685 S PAG gt Sin D685 luk 50V vp IZA i Se a E 6V2 de bra 3 gt gt swoon X300 ven D310 1N4002 KAI POWER CORD N 2200PF 400VAC PDF created with FinePrint pdfFactory Pro trial version http www fineprint com
4. N RUMANIAN can be decoded 2 If OPTION 5 02 then the TEXT languages like ENGLISH RUSSIAN SWEDISH TURKISH GERMAN PORTUGUESE ITALIAN RUMANIAN can be decoded 3 If OPTION 5 04 then the TEXT languages like POLISH RUSSIAN SWEDISH CZECH GERMAN SERBIAN ITALIAN RUMANIAN can be decoded 4 If OPTION 5 06 then the TEXT languages like POLISH RUSSIAN SWEDISH CZECH GERMAN PORTUGUESE ITALIAN RUMANIAN can be decoded Normally it is supposed not to set OPTION 5 01 If you set the OPTION 5 01 then the font can be switched by press key MENU on remote control in TEXT mode for TV3K If you set OPTION 5 00 02 04 06 then there is no any activity while press MENU in TEXT mode Please check A F C ADJUSTMENT Removing any R F signal source and prevent any stray signal source from entering the tuner by shorting the tuner input inner contact to the out screen Inject the 38 9 MHZ carrier into the tuner IF output pin pin 11 Select the parameter VCO Coarse in the service mode see Table 2 The VCO Status will appear on the screen Then press the AV key on remote control the CPU will adjust automatically until the VCO Status OK appears on the screen If this can not be achieved i e there is no any pattern on the screen please adjust the T201 first until a stable pattern appears on the screen And then press the AV key on remote control The CPU will adjust automatically once again
5. TV2K TXT COLOUR TELEVISION RECEIVER SECIFICATION SYSTEM POWER INPUT POWER CONSUMPT ON AERIAL IMPEDANCE TUNER RECEIVING CHANNELS PROGRAMME PICTURE TUBE SOUND OUTPUT SPEAKER AV JACKS SERVICE MANUAL PAL SECAM B G DK AC 170 245V 50 60Hz 60W 750HM UNVALANCED VOLTAGE SYNTHESIZER TUNING VHF L E2 S6 VHF H S7 S41 UHF E21 E69 MAX 99 PROGRAM MEMORIES 14 20 21 90 2 OW 3W 8 OHM FULL SCART X1 CAUTION Before servicing the chassis read the Safely Precaution X Ray radiation Precaution and Product Safety Notice in this manual X RAY RADIATION PRECAUTION 1 Excessive high voltage can produce potentially hazardous X RAY RADIATION To Avoid such hazards the high voltage must be specified limit The normal value of the high voltage of this receiver is 24 5KV 2KV under 230V AC power source The high voltage must not exceed 27KV 2 Each time a receiver requires servicing the high voltage should be checked following the HIGH VOLTAGE CHECK procedure in this manual It is recommended the reading 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 3 The primary source of X RAY RADIATION in this TV receiver is the picture tube For continued X RAY RADIATION protection the replacement tube must be exactly the same type tube as used in this TV receiver 4 Some parts in this receiver ha
6. ceiver is blown replace it with the FUSE specified in the chassis parts list 8 The receiver is designed to operate with 230V 50Hz AC mains PRODUCT SAFERY NOTICE Many electrical and mechanical parts in this chassis have special safety related characteristics are often passed unnoticed by a visual inspection and the X RAY RADIATON protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage The use of substitute replacement parts that do not have the same safety characteristics as specified in the parts list may create shock fire X RAY RADIATION or other hazards GENERAL ADJUSTMENT AUTOMATIC DEGAUSSING An automatic degaussing coil is attached around the picture tube degaussing the tube properly in about one second after the set is switched on If the receiver is moved or faced on a different direction the power must be switched off at least 15 minutes in order that the automatic degaussing circuit operated properly External degaussing is necessary if the automatic degassing proves ineffective after the set is moved B ADJUSTMENT CAUTION To avoid X ray hazards and result in a nominal display width B voltage must be set in the scale of 108 0V 0 5V 1 Make sure the AC power supply is 230V 50Hz Switch on the TV receiver tune in an active channel Measure the voltage between C641 on Main P C Board by DC voltmeter Set contrast brightness color to maximum A
7. djust VR631 on Main P C Board for B 108 0V 0 5V voltage reading GI EE de HIGH VOLTAGE CHECK CAUTION There is no high voltage adjustment in this chassis B 108V voltage directly relates to the high voltage The high voltage does not exceed 27KV under any conditions 1 Connect an accurate high voltage meter to the second anode cap of the picture tube 2 Turn on the receiver set brightness and contrast to minimum Zero beam current 3 Make sure the high voltage does not exceed 27KV 4 NO matter whether the luminance contrast and chrominance controls are set to maximum or minimum the high voltage must be kept under 27KV FOCUS ING Receive a TV test pattern signal adjust controls for optimum picture Adjust Focus Control for a well defined sharpest display in the center area of the screen ADJUSTMENT AND SERVICING THE CHASSIS SERVICE MODE To enter the service mode additional SERVICE key must be used SERVICE key on remote control table 1 line by line mode press the P P key on a special remote control which contains an illustration TV will display service menu as following To select the parameter by using the P P keys To adjust the selected parameter by using the V V keys To quit the service See the Press the remote control when in the service mode Table 1 Parameter Value 14 Value 20 21 Red Gain 32 40 DC Red 063
8. e CO CVBSTXT rsa poss ls en Ge 1KS EEE Ge 23 Gi f SO 10K Ree se SG bech OU EO 0 47uF 50V I Ge 201 In 1 d eg g R352 R326 VIN DES L cu Ibur 5 5 ee 3K9 270 0 5W r D Eda 3 e ZZ EE EA 2 R214 uo e EI e 2K2 1N4148 SAW C246 E ron luF50V R353 Eze 10 3 Di Gag a 12K 5VA RIO 10 e T e o RGPIS e ei G2 R286 994 eri D302 RGPISI R312 mm s 195 22 140 EKO A ou r m DY GIE Gg RUT eu WW K2055M L G R311 gd 10uF 16 G e Gi 10 GGA i T EO P 2SC1815Y 2 2uF 160V4 o9KI0 5W A mY TESTO Ge ele A C216 3 e SO ca e C10 1E Ka IOF 16V R20 R219 FLYB aE I GE 2 EL JUA idi Saga Son 5 470 pe ENN M 14 V0 39uF 200VM21 DI en Cu Gaz EI BE Go b 5 aaa D Z Z bed 1 C109 5 ek Z S GIN T I et BIA E Mi g 3 Z 3 g g cere Bins e Z bien 5 5 S j x e ur Z 8 E F 5 IJ 2 z Gy RR SZ ST92195 RGPISLYINA937 T 10uF 250V Jue m EE g a R328 R399 kal E 3 SS e I 680 2E2 2W 14 20 V6ES EIE EO Z mam Lai A zika S UVC2810 VEEA D 4 PZ E e eei HY 3 B dd mD sV om GZ 2 ES 5 GOES D634 5 Cup C605 A 5 deen 10601 7805 ei 152V Qo In IKV In IKV e e eea R120 R124 2SA1015Y D105 D603 e mm 3 R625 t 2 aK x 1M4148 E ER TT Tt E d R620 dedi l Gu S ROIS 10603 S NM ROOD IA 120K 0 5W 68 2 Ly Gz R EO ge B ba 3E9 SW IT T gie I SE E UKO 10uF 16V 8V D304 RGPISJ Hire ID606 L R621 EE dk GEA ko feet 120K 0 5W l bei Sg bei dd eza en L I Q L E D i VIe MOK 2SD1710 ST1802HL I EE ee Ras e EEA S GIO EE ZE D617 I 2 2SA1015Y DIO H L R307 b RA ESI RGPIO
9. gt oe R f z eg 8 GU TR om z S 45VA DS HU Cp 2N3004 R130 A a be H e s22 ICA ZE 9 va Li 3K e 5 ziz E D S a E RI z pean e S EE S E ee E e E OI 3 fal Ko D254 ps2 e 5 6 2 2 e ESA IK 255 8I S vi ZE ee z EF ingas pi 3 oe ee Sie Sirte mz ne alem GR Z Bue ibe Uel Uz Us a SAWS OK E x IS 2 e SON SAW_SW2 Dei Hert at Om C269 anu TE d EG sen TAS Kat 2 2uF 50 OEN I8pF x I x I E Stan Ce s ne Di GK a wm UREI SO z Sua els Te ia 3 z R268 S Sis SIS 2 A R273 R272 IRI TS 45VA SAW_SWI O SIK E D GO EE IK I 2 ia am ale P D z Gil cT sT zi Q O 8 2 H OluF OluF iv OE T GO Gi 42 R D d e amp b e x E 5 g dS P b 5 6 6 8 b 2 i p S ge 8 S VAMP e d Kon E E a GU 3 2 STV248 a E A e k E 2 S SS R 3 fe 2 a R z KO ki S a 17 OO g 9 e S SZ SG e dS S p Fee 2 e 8 g 6 g 3 ZE Ss 6 3 BS S E e RIIS Mem S E 3 E cz S amp E E 6 2 E g zs g d SO vD rq C100 R137 an 20 C2 p 820 b EE up ua s TL lui 16v PO US 0 22uF M 3 Cae A b Ou Kai 225 C226 C227 F i H THE Tam ans SO at IuF SOV c35 Ok TEA OTuF Fei R351 KO 2E2 Ge sa EO I TE g H 100K ZE IE 2 eat 260 s ton Co R106 R105 E 5 D Tn pek T nM z erdue Z R302 Dur lov L 4K7 Hi P A e Ki Gi Za R324 Come L L wo E Log Jue 2705W eei INA C106 Do 3 EE dda 120 DO 0 1uF Bi D351 JO 100uF GAN SE GO ig Quo on 2 S SF202 48V IDEIEN E 16V R28 X OUR b un R103 e Gei on ROIS E KO
10. odulation 0 0FF 1 0N B3 Market France SECAM L L 0 0FF 1 0N B2 Manual Auto Cutoff 0 Manual 1 Auto Cutoff Bl Mute pin Low High To control the speaker 0 Low 1 High BO TDA7449 TDA7439 0 TDA7449 1 TDA7439 OPTION4 B4 SCART2 0 0FF 1 0N B3 RGB 0 0FF 1 0N B2 SVHS 0 0FF 1 0N B1 AV2 0 0FF 1 0N BO AV1 0 0FF 1 0N OPTION5 and ST Ttext is for teletext setting only It normally could not be changed If it s necessary to adjust the OPTION 5 please read the following information before adjustment A For CPUs with English French German Polish or English French German Turkish Please refer to the setting as below 1 If OPTION 5 00 then the TEXT languages like ENGLISH FRENCH SWEDISH TURKISH GERMAN PORTUGUESE ITALIAN RUMANIAN can be decoded 2 If OPTION 5 02 then the TEXT languages like POLISH FRENCH ESTONIAN CZECH GERMAN SERBIAN LETTISH RUMANIAN can be decoded 3 If OPTION 5 04 then the TEXT languages like ENGLISH FRENCH SWEDISH CZECH GERMAN PORTUGUESE LETTISH RUMANIAN can be decoded 4 If OPTION 5 06 then the TEXT languages ENGLISH FRENCH SWEDISH TURKISH GERMAN PORTUGUESE LETTISH RUMANIAN can be decoded B For coming new OTP CPU with English Russian Czech Polish the setting of the OPTION 5 will be changed as below 1 If OPTION 5 00 then the TEXT languages like ENGLISH FRENCH SWEDISH CZECH GERMAN PORTUGUESE ITALIA
11. until the VCO Status OK appears on the screen GEOMETRY To adjust the picture position and vertical size select the appropriate parameter in the service mode and adjust as necessary Please see table 2 Remote control 29 DIRECTIVTY 6m MIN 8m NOR OK 30 DIRECTIVTY 30 FROM LIGHT AXIS 5m MIN 7m NOR OK C MUTE et RECALL SLEEP STATUS TV TXT gt Hd a di STOP REVEAL SIZE MIX ae a SERVICE CANCELSUBCODE INDEX COC NOTE 1 A IS MARK OF CRITICAL COMPONENT 2 SUBJECT TO CHANGE WITHOUT NOTICE I4INCHCRT ALTERNATIVE CRIS
12. ve special safety related characteristics for X RAY RADIATION protection For continued safety parts replacement should be undertaken only after referring the PRODUCT SAFETY NOTICE below SAFETY PRECAUTION WARNING Service should not be attempted by anyone unfamiliar with the necessary Precautions on this receiver The following are the necessary precautions to be observed before servicing this chassis 1 Since the power supply circuit of this receiver is directly connected to the AC power line An isolation transformer should be used during any dynamic service to avoid possible shock hazard 2 Always discharge the picture tube anode to the CRT conductive coating before handling the picture tube The picture tube is highly evacuated and if broken glass fragments will be violently expelled Use shatterproof goggles and keep picture tube away from the unprotected body while handling 3 When replacing a chassis in the cabinet always be certain that all the protective devices are put back in place such as nonmetallic control knobs insulating covers shields isolation resistor capacitor network etc 4 When replacing parts or circuit boards disconnect the power cord 5 When replacing a high voltage resistor metal oxide resistor on circuit hoard keep the resistor APP 10mm 1 2 in away from circuit board 6 Connection wires must be kept away from components with high voltage or high temperature 7 If any fuse in this TV re
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