Quadro CTV-37V10 Service Manual

Manual is about: Colour Television PAL/SECAM/BG/DK

Summary of CTV-37V10

  • Page 2

    X-ray radiation precaution 1. Excessive high voltage can produce potentially hazardous x-ray radiation.' to avoid such hazards, the high voltage must not be above the specified limit. The normal value of the high voltage of this receiver is 24kv at zero beam current (minimum brightness) under 220v a...

  • Page 3

    Alignment instruction 1. Please notice the following before alignment and equipment: 1-1 don't short any two soldering points, which should not be shorted and don't touch any components, which should not be touched. 1-2 please pull out plug before equipment. 1-3 for safety reasons, all components eq...

  • Page 4

    Chassis alignment 1. Pif adjustment 1-1 tuner agc connects to gnd. Pattern generator outputs 38.9mhz r.F. Signal and connects to tuner if output terminal or pin 5 of saw filter. 1-2 connect digital voltmeter across c227. Dc regulated power supply positive terminal output +20v to pin 1 of ic302 and n...

  • Page 5

    2-2 apply +20v dc across ic302 as shown in fig.2. 2-3 adjust l108 to obtain waveform as following. There will be no alignment to it without ntsc system. 3. B+ adjustment 3-1 disconnect horizontal load. Connect a light bulb (100 w) ac 250v across c321. 3-2 connect 220v ac 50 hz to cn601 and switch on...

  • Page 6

    Complete machine general adjustment 1. Go to factory mode according to 4-4-2 before warm up line, 2. Focus adjustment. 2-1 receive monoscope pattern. 2-2 set tv to work in dynamic status. 2-3 adjust the focus knob of fbt to get the clearest picture. 3. Screen voltage adjustment. 3-1 go to factory mo...

  • Page 7

    Color purity adjustment and convergence adjustment color purity adjustment 1. Before color purity adjustment, warm up the tv set over 15 minutes and fully degauss. 2. Receive pure white signal in av status and set the tv receiver dynamic. 3. Go to factory mode "menu2". After write down the values of...

  • Page 9

    Servisni menu za tv 55v10/37v10 shassis: 3y/4y01 menu 1 v. Size 20 v. Pos 33 v. Line 10 v. Sc 0 h. Phase 13 h. Blk 0 pattern 0 h. Freq 25 menu 3 rf. Agc 15 vif. Sys 1 snd. Trap 7 video level 0 (4) fm level 0 r. B. Balance 8 digital osd 0 menu 2 v. Kill 0 r. C. 128 g. C. 180 b. C. 125 r. D. 48 g. D. ...