702545 / OTTOVERSAND [TV]

• Green and blue drive adjustment.
• +B 113V adjustment - mother unit.
• When switching on the TV, a yellow picture with faint flyback lines from left to right appears for the first 15 minutes. Then the picture is fine.
• The first time the CTV goes into safety mode. Repaired solder joint on D712. The second time, CTV seems to start up but the line transformer whistles after 10 seconds and no EHT.
• Black screen.
• AFT coil rough adjustment.
• No start-up. intermittently.
• Control detector:T906.
• Stereo R929, Bilingual R930 adjustment.
• Occasionally picture is distorted and then becomes slightly red.
• Adjustment of the deflection loop. (+ extract of circuit diagram)
• No picture. via SCART. (702545 OTTOVERSAND repair tip)
• Clock oscilloscope (6.0 MHz): C3011.
• The picture is purple.
• AFT coil fine adjustment.
• Sign position control adjustment.
• 38,9MHz detector adjustment. (service info for OTTOVERSAND -702545)
• AFT coil fine adjustment.
• Adjusting the 38.9 MHz detector : T902.
• Distorted picture at the top, chattering in the appliance, picture runs through sometimes.
• Sub-sound adjustment.
• Remains in standby. If relay RY701 forced, TV switches on, only screen remains white as if it were in AV.
• SIF detector adjustment: image IF / fine adjustment automatic/ multiplex sound.
• Stuck in standby (intermittently).
• No colour. (702545 OTTOVERSAND repair tip)
• Level control and separation adjustment.
• AFT-DET (T251) fine adjustment (Mother checker)
• Clock oscilloscope 6.0MHz adjustment - Text PWB unit.
• Colour varies.
• SIF detector T255 rough adjustment.
• Adjustment of deflection loop (21" only).
• 5.5MHz and 5.74MHz detectors adjustment.
• Adjustment of deflection loop (25" 28" only).
• Sign position R2085 adjustment.
• Sub-colour adjustment.
• Level R3066 adjustment.
• Setting the picture IF/ automatic fine tuning/ multiple audio: audio locking device. (+ extract of circuit diagram) (OTTOVERSAND - 702545 information)
• Sub sound control adjustment .
• Stuck in standby.
• Level R918 and separation R917 adjustment.
• Adjustment control for +B150V: R736.
• Intermittently top two thirds of picture develops red tint. (702545 OTTOVERSAND repair tip)
• Drive control R1874 and R1875 adjustment.
• Clock oscilloscope 6.0MHz C3011 adjustment.
• Switching on the HF AGC.
• Sub sound adjustment.
• Sub-sound (R1342) adjustment.
• No audio.
• Level - R918, Separation - R917 adjustment.
• No HV.
• Tuner IFT adjustment.
• Setting the character position control. (+ extract of circuit diagram)
• Video/Chroma adjustment: Secam detector. (+ extract of circuit diagram)
• Driver control: R1874 and R1875.
• Does not start up from power button. By forcing Q705 the power supply starts up but buttons do not work. On 22 of IC2001 1.6V instead of 5V, 1.6V on the emitter of Q706 and 2.62 on the base. 10V on R745 and R748.
• STEREO R929 and bilingual R930 adjustment.
• Tuner IFT adjustment. (picture attached)
• Dark picture. Audio OK .
• Setting the picture IF/ automatic fine tuning/multiple audio: P detector coil. (picture attached)
• Audio level and separation adjustment.
• Screen control adjustment - CRT PWB unit.
• No signal (via tuner). Blank raster.
• Q602 (BU508) overheats for 30 secs.
• Text switching board: level control.
• Fails and directly afterwards can be switched on again.
• SIF - detector fine adjustment.
• SECAM Detector: T801 and R805.
• S trap adjustment. (service info for OTTOVERSAND -702545)
• Tuner IFT adjustment. (702545 tips)
• Colour flickers in SECAM.
• Deflection loop adjustment - 21" only.
• No or intermittent start-up. Switches off by itself. intermittently.
• Bell filter adjustment. (702545 tips)
• SIF detector (T255) fine adjustment.
• Red flyback lines, occasionally picture disappears.
• Switches to standby. after start-up.
• Control detector adjustment.
• SECAM detector: (T801 and R805) adjustment.
• Video/chrome adjustment: bell filter. (with circuit diagram extract)
• RF-AGC adjustment.
• Adjusting the HF AVR: R263.
• +B (STAND BY) (R714) adjustment.
• Shuts down. after start-up.
• Pilot detector adjustment.
• CLOCK oscilloscope (6.0MHz): C3011 adjustment. (702545 tips)
• Text switching board: clock oscilloscope
• Sub colour control adjustment.
• Level control adjustment.
• At switch on, line transformer whistles. Dark screen, no sound, no EHT.
• P-detector coil T252 adjustment.
• Line output transistor and transformer dead.
• Switches to standby (intermittently).
• Level control and separation adjustment: image IF / fine adjustment automatic / multiplex sound. (702545 tips)
• Shuts down. (702545 OTTOVERSAND repair tip)
• Pilot detector adjustment. (702545 OTTOVERSAND repair tip)
• Bell filter adjustment: T800.
• Adjustment of S trap.
• Adjusting the aux. colour control: R826.
• White picture, blank raster.
• Line output transformer starts up then appliance switches to standby.
• Screen control adjustment - CRT PWB unit.
• 38.9MHz adjustment.
• Setting the picture IF/ automatic fine tuning/ multiple audio: 5.5MHz detector and 5.74MHz detector.
• Sub-sound R1342 adjustment.
• Adjusting the aux. noise control: R1342.
• Stretched picture.
• Deflection loop adjustment.
• Pilot detector T906 adjustment.
• Level control : R3066.
• Stereo: R929, bilingual: R930.
• SIF detector T255 fine adjustment.
• Level control: R918, disconnection: R917.
• P detector coil: T252.
• Setting the picture IF/automatic fine tuning/multiple sound: IF transformer of the tuner. (picture attached)
• P-detector coil T252 adjustment.
• Stereo (R929) - bilingual (R930) adjustment.
• Reduced vertical size.
• AFT detector rough adjustment. (702545 tip from OTTOVERSAND)
• Black band at bottom of screen. Impossible to remove with adjustments.
• No picture.
• Sif detector: T255. (coarse adjustment)
• Drive control adjustment. (702545 tip from OTTOVERSAND)
• 38.9MHz detector T902 adjustment.
• Fails, will start up again with the RCU but then switches off again straight away.
• Picture blurred in tuner or scart. Impossible to adjust with focus pot and G2.
• The sound on the left track does not function.
• 5.5MHz detector and 5.74MHz detector adjustment.
• S trap T254 and T256 adjustment.
• +B adjustment. (service info for OTTOVERSAND -702545)
• Level R3066 adjustment.
• SIF - detector rough adjustment.
• Vertical fault.
• Poor TXT reception, picture is blue/purple.
• Setting the picture IF/automatic fine tuning/multiple sound: SIF detector (fine adjustment). (part of circuit diagram displayed)
• Text level adjustment - Text PWB unit. (702545 tips)
• Sign position control adjustment.
• 38.9MHz detector adjustment.
• Clock oscilloscope 6.0MHz adjustment - Text PWB unit.
• S TRAP (T254 and T256) adjustment.
• Sub-colour adjustment.
• SIF detector: T255 (fine adjustment).
• SIF detector rough adjustment.
• At switch on the EHT rustles up for a second or so, then the relay switches off.
• No start-up (when cold).
• Bell filter adjustment.
• The sound decreases in volume after switching on.
• STEREO R929 bilingual R930 adjustment.
• Adjusting the audio block: T254 and T256.
• Pilot detector adjustment.
• SIF detector (fine adjustment) adjustment. (702545 tip from OTTOVERSAND)
• Deflection loop adjustment.
• 5.5 MHz DET: T903 and 5.74 MHz DET:T905.
• Sign position R2085 adjustment.
• Tuner IFT adjustment.
• Adjusting the deflection coil. (service info for OTTOVERSAND -702545)
• AFT detector T251 fine, Mother checker, adjustment. (702545 OTTOVERSAND repair tip)
• Line output transistor burnt.
• Picture rolls. after a few hours. (702545 tips)
• RF AGC adjustment.
• RF AGC adjustment.
• Clock oscillator (6.0MHz) adjustment. (702545 OTTOVERSAND repair tip)
• Power supply fails at start-up. Green Standby LED lit.
• Bell filter T800 adjustment. (702545 OTTOVERSAND repair tip)
• Remains in standby at start up. If start up is selected by the start button the green light comes on for 3 secs then goes back to standby.
• Deflection loop adjustment - 25" and 28" only . (702545 tips)
• 38.9MHz detector T902 adjustment.
• Character position control: R2085.
• Sound trap adjustment.
• Slow start-up. No picture. No audio.
• P-detector coil adjustment.
• Setting control for +B150V.
• Drive control R1874 and R1875.
• Video/chroma setting: aux. colour control.
• At switch on, EHT is rustled up then goes off.
• Sound level and separation adjustment.
• +B, standby R714 adjustment.
• Screen control adjustment.
• Adjusting the aux noise control.
• P-detector coil adjustment.
• Picture would occasionally develop a red tint.
• Switches off by itself.
• Bell filter (T800) adjustment.
• Flickering picture. after a while (depending on picture content).
• Green and blue drive adjustment.
• Does not go into standby after Q701 has blown. Appliance starts up instantly.
• Purple picture
• AFT coil rough adjustment. (702545 tip from OTTOVERSAND)
• Deflection loop 21" only adjustment.
• Stereo and bilingual adjustment: Image IF / fine adjustment automatic / multiple sound.
• CRT board: screen control.
• TXT signal improvement.
• Appliance goes to stand by after 0.5 secs. It can be switched on again for 0.5 secs.
• RF AGC adjustment.
• At switch on appliance builds up high voltage for a short time and then switches off.
• SIF detector fine adjustment.
• Erratic start-up.
• Deflection loop adjustment - 25" and 28" only.
• Stereo, bilingual adjustments.
• Picture at first is too dark then there is too much green in picture then it becomes normal. Colour output stage IC reacts to cooling spray.
• Screen control adjustment.
• Adjusting the screen control.
• Adjusting the 38.9MHz detector. Picture IF/automatic fine tuning/ multiple sound.
• Setting control for +B150V.
• No picture. Sound ok. EHT, G2 ok. Sandcastle present with all voltages.
• P detector coil, T252, adjustment.
• Tries to start, LED changes briefly from red to green.
• Text level adjustment - Text PWB unit. (702545 tips)
• Picture becomes intermittently dark and faint. Flyback lines.
• SIF (Sound IF) detector rough adjustment.
• 5.5MHz detector T903 and 5.74MHz detector T905 adjustment.
• +B R736 adjustment.
• Tuner IF transformer coil.
• Bell filter adjustment.
• RF- AGC R263 adjustment.
• No start-up. LED lit. . (OTTOVERSAND - 702545 information)
• Sub-colour adjustment.
• AFT DET (Automatic Frequency Tuning Detector) rough adjustment.
• Adjusting the control detector : picture IF/automatic fine tuning/ multiple sound.
• +B 113V adjustment.
• SIF detector rough adjustment.
• AFT DET: T251.
• Distorted audio.
• CRT board: driver control.
• No brightness. (702545 tips)
• Power supply chokes when switched on from standby. TV switches back to standby. (OTTOVERSAND - 702545 information)
• 5.5MHz detector T903; 5.74MHz detector T905 adjustments.
• Sub-colour adjustment.
• 5.5MHz DET: (T903), 5.74MHz DET: (T905) adjustment.
• No response to Programme + or On/Off button.
• Screen control adjustment.
• AFT detector T251 rough adjustment.