Tauras TV3K-TXT Service Manual Download

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Summary of Contents for TV3K-TXT

Page 1: ...HARGE from the electromaniacs com community You are free to distribute this file to other persons who needs it but without of charge Also on http electromaniacs com you can find thousands of service manuals schematics free of charge ...

Page 2: ...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 chec...

Page 3: ... 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 receiver is blown replace it with the FUSE specified in the chassis parts list 8 The receiver is designed to operate wit...

Page 4: ...matter whether the luminance contrast and chrominance controls are set to maximum or minimum the high voltage must be kept under 27KV FOCUSING 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 a special remote contr...

Page 5: ...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 V POS OSD 01 H POS TXT 057 V POS TXT 04 Following are the items of the OPTIONS in more details OPTION1 B5 P N S Crystals application 0 2 crystals 1 1 crystal B4 Cutoff Loop 0 OFF 1 ON B3 Safety_...

Page 6: ...URKISH 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 ITALIAN RUMANIAN can be decoded 2 If OPTION 5 02 then the TEXT languages like ENGLISH RUSSIAN SWEDISH TURKISH GERMAN PORTUGUESE ITALIAN RU...

Page 7: ...ce again 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 ...

Page 8: ... L802 22UH C804 10n L401 100UH C810 10uF L214 8 2uH L212 8 2uH C831 10uF C832 10uF C291 1n C297 1n L211 8 2uH L213 8 2uH C437 1UF C442 1UF R210 100k R410 220 AROTV ARI1 ALI1 ALOTV S SW Gi Ri FBi VIDEO IN2 Bi 1 42 22 21 11 32 41 40 39 38 37 36 35 34 33 10 9 8 7 6 5 4 3 2 12 13 14 15 16 17 31 30 29 28 27 26 25 24 23 20 19 18 AVCC ARO ALO AV5A SRO SLO CAP7 RST NC NC NC NC NC CAP1 CAP2 ARIN ALIN GND4 ...

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Tauras TV3K-TXT, Service Manual

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