302705 / OTTOVERSAND [TV]

• How to switch or store norm.
• Coloured lines. on upper half screen.
• Moire via picture and via AV. (302705 OTTOVERSAND repair tip)
• Brightness varies. (with circuit diagram extract)
• Adjust channels.
• Line tearing. Mouse teeth.
• Purple picture.
• Low contrast. Horizontal size varies with picture content.
• Horizontal collapse. Vertical collapse. (302705 tips)
• Red, blue and green horizontal stripes at upper picture edge.
• Reduced horizontal size. E/W fault.
• Repair kit info.
• No RC functions.
• Vertical roll.
• Line tearing after a short time. Fault may be temperature sensitive.
• No start-up. (extract of circuit diagram attached)
• White screen.
• Vertical streaks. on the left.
• No colour via AV or reception part. B/W picture ok. (with circuit diagram extract)
• Horizontal collapse. (OTTOVERSAND - 302705 information)
• Vertical line.
• Excessive horizontal size. E/W fault.
• White diagonal line in picture. No deflection.
• Switches on and then switches with flashover off.
• Brightness, HV switches off after 10 secs. In this time no reaction to the RC and no tuner signal. (extract of circuit diagram attached) (302705 OTTOVERSAND repair tip)
• Line transistor 7545 fails after a while. (302705 tip from OTTOVERSAND)
• Poor picture synchronization in case of appliances connected externally via RF modulator (SAT-Receiver). Directly received programs are OK.
• Afterglow at switch off.
• Power supply failure.
• Dull picture.
• No colour. when cold.
• Frame IC401 (TDA8170) fails at switch on.
• E/W fault.
• Picture is very pale and 3cm too narrow.
• Horizontal collapse. Audio OK .
• Line is torn from the top to the bottom. (with circuit diagram extract)
• White picture with flyback lines. (302705 OTTOVERSAND repair tip)
• Vertical jitter. (+ extract of circuit diagram)
• No sound if a "NINTENDO" video game is connected to the aerial input. (part of circuit diagram displayed)
• Mains fuse and T101 (STP4NA69FI) defective. (OTTOVERSAND - 302705 information)
• Enter service mode.
• Arcing spot at deflection plug and vertical-IC TDA 8170 is defective.
• No HV.
• Appliance switches.
• Vertical stripes in picture. Stripes on the left are bright, while stripes on the right are dark.
• Brightness varies. Flyback lines.
• Strong line tearing in picture.
• No start up. Noisy.
• Dead. LED lights shortly up.
• Protection mode activated. PSU pulsates.
• No functions.
• Small vertical line in the middle. Sound OK.
• R323 burnt.
• Horizontal stripes.
• LED lights up briefly. No picture. No sound.
• Line output transistor fails repeatedly.
• Picture shifted to the left. (302705 tips)
• No functions. Burning smell.
• Stripe in centre.
• Bright vertical line on the left in the first third and dark vertical line on the right in the second third .
• Dead. Smoking.
• Geometry adjustment.
• Display operation on SERVICE mode.
• Does not switch on or after switch on some programs are poor via RC.
• Vertical lines. (302705 OTTOVERSAND repair tip)
• Switches to standby. after a few minutes. No TXT.
• After switch on by the On/Off switch, all segments of the channel display light up.
• Vertical white lines.
• Note for line output.
• Very faint picture. Poor contracts.
• Display operation in service menu.
• Red/green/blue flyback lines in upper picture part.
• Faint picture, also by TXT. OSD OK.
• Picture too small. No vertical synchronisation.
• Horizontal line. No audio. (302705 tips)
• No OSD. No TXT. (OTTOVERSAND - 302705 information)
• No vertical deflection.
• TDA 8170 is defective again immediately after switch on.
• No horizontal synchronisation.
• Dead.
• How to improve picture quality. (302705 tips)
• Two vertical stripes on the left and right picture side.
• How to enter service menu ith RC P1690.
• White lines on top edge.
• Bright picture. Flyback lines.
• Transient stripes on left picture side.
• No colour. (+ extract of circuit diagram)