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Home >> ROADSTAR >> 12.6 CHASSIS Service Manual
 
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ROADSTAR 12.6 CHASSIS
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of ROADSTAR 12.6 CHASSIS Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

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Text excerpt from page 2 (click to view)
For non-Secam LL’ system sets if their serial number is lower than 30200001: Substract 5 from “AGC” value and adjust “2.AGC” to this value.

4. SCREEN ADJUSTMENT
Enter service mode and press “Yellow” teletext button. Select “SCRN” item. Press Vol + or – button. You will see white horizontal line at the bottom of the screen. Adjust the screen potentiometer to the just visibility level of horizontal line. After adjustment press Vol + or Vol – button to see the picture (The value of “SCRN” item will be “0”).

5. GEOMETRY ADJUSTMENTS
Enter service mode and press “Green” Teletext button. Check that “Y.DLY” value is “1”. “H.POS” is for horizontal position , “V.POS” is for vertical position “V.HEI” is for vertical size, “LNRTY” is for vertical linearity, “S.COR” is for S-correction, “OSD.H” is for OSD Horizontal Position, “OSD.V” is for OSD Vertical Position adjustment.

6. WHITE BALANCE ADJUSTMENTS
Enter the service mode and press “Yellow” teletext button. Select and adjust “G.CUT” to the “64” for 14” sets and “40” for 20” and 21” sets. Adjust “R.CUT” and “B.CUT” for cut off adjustment. Select and adjust “R.DRV” and “B.DRV” for white balance. Change the “G.CUT” value a few unit if white balance could not be adjusted. Exit from service mode. Remark: When “VIDEO” item is selected “NEW”, optimum “SECBL” value (determined by the IC manufacturer) is loaded to EEPROM. Whereas if the black level of SECAM is not suitable, “SECBL” can be adjusted manually by applying a SECAM pattern that includes black sections and changing value of “SECBL” .

7. FEATURE SETUP
TUNER ST.BY AV2 CLR.S SND.S TEXT LANG SHARP&ALPS, PHILIPS, P.SONIC, TEMIC YES : Automatic switch off is active (when there is no signal for 5 min) NO : Automatic switch off is not active (can be used during repair) NO : Single scart YES : Single scart +front AV PAL, PAL/NTSC (SECAM system is automatically detected by TV) BG, I, BG+DK, BG+ LL’ (Sound Systems) NON TEXT : Teletext not available DEFAULT : Teletext FASTTEXT : Fasttext A : English, German, French, Italian, Spanish, Portugal, Greek, Turkish, Dutch, Swiss, Danish, Norwagian, Finnish, Slovenian, Polish, Hungary, Russian, Hebrew B : English, German, French, Russian, Polish, Bulgarian, Serbian, Hungarian, Romenian, Slovenian, Macedonian, Croatian, Czech, Slovekian, Albanian, Arabian, Persian, Turkish INT : Video IC uses internal BG Band Pass Filter (default) EXT : Video IC uses external BG Band Pass Filter OLD : Default NEW : Switch once after replacing the Video IC (IC101) or EEPROM IC (Not: If it is switched to “NEW”, AFC adjustment must be done again as described in AFC Adj. Sect.).

BGBPF VIDEO

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