702596 / OTTOVERSAND [TV]

• SECAM Detector: T801 and R805.
• Reduced vertical size.
• Setting control for +B150V.
• Stereo and bilingual adjustment: Image IF / fine adjustment automatic / multiple sound.
• Level control: R918, disconnection: R917.
• Level control : R3066.
• Sound level and separation adjustment.
• Adjusting the aux. colour control: R826.
• Sign position R2085 adjustment.
• Screen control adjustment.
• RF AGC adjustment.
• Setting the picture IF/automatic fine tuning/multiple sound: SIF detector (fine adjustment). (part of circuit diagram displayed)
• Tuner IFT adjustment.
• SIF detector adjustment: image IF / fine adjustment automatic/ multiplex sound.
• Video/Chroma adjustment: Secam detector. (with circuit diagram extract)
• Black band at bottom of screen. Impossible to remove with adjustments.
• Distorted audio.
• Slow start-up. No picture. No audio.
• 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.
• S trap adjustment.
• Video/chroma setting: aux. colour control.
• S trap T254 and T256 adjustment.
• Driver control: R1874 and R1875.
• AFT detector rough adjustment.
• Does not go into standby after Q701 has blown. Appliance starts up instantly.
• The sound on the left track does not function.
• Fails and directly afterwards can be switched on again.
• AFT-DET (T251) fine adjustment (Mother checker)
• Q602 (BU508) overheats for 30 secs. (702596 OTTOVERSAND repair tip)
• Adjusting the 38.9 MHz detector : T902.
• Level R3066 adjustment.
• Sub colour control adjustment.
• Character position control: R2085.
• Picture becomes intermittently dark and faint. Flyback lines.
• SIF detector rough adjustment.
• TXT signal improvement.
• Sound trap adjustment.
• Deflection loop adjustment - 25" and 28" only. (service info for OTTOVERSAND -702596)
• Stuck in standby.
• Colour flickers in SECAM.
• Adjusting the audio block: T254 and T256.
• At switch on, EHT is rustled up then goes off.
• SIF - detector fine adjustment.
• 5.5MHz detector and 5.74MHz detector adjustment.
• No picture. via SCART.
• Tries to start, LED changes briefly from red to green.
• Text switching board: level control.
• No colour.
• 38.9MHz detector T902 adjustment.
• 38,9MHz detector adjustment.
• Fails, will start up again with the RCU but then switches off again straight away.
• RF AGC adjustment.
• Poor TXT reception, picture is blue/purple.
• Switches to standby. after start-up.
• No picture.
• Appliance goes to stand by after 0.5 secs. It can be switched on again for 0.5 secs.
• Intermittently top two thirds of picture develops red tint.
• +B, standby R714 adjustment.
• Screen control adjustment - CRT PWB unit.
• Tuner IF transformer coil.
• RF AGC adjustment.
• Clock oscilloscope 6.0MHz C3011 adjustment.
• Sign position control adjustment.
• Line output transistor and transformer dead.
• Shuts down. after start-up.
• No response to Programme + or On/Off button.
• No HV.
• Sub sound adjustment.
• 5.5MHz detector T903 and 5.74MHz detector T905 adjustment. (OTTOVERSAND - 702596 information)
• Colour varies.
• Sub-sound (R1342) adjustment.
• Tuner IFT adjustment.
• Level - R918, Separation - R917 adjustment.
• AFT coil rough adjustment.
• Picture rolls. after a few hours.
• At switch on the EHT rustles up for a second or so, then the relay switches off.
• Occasionally picture is distorted and then becomes slightly red.
• SIF detector (T255) fine adjustment.
• Level control and separation adjustment.
• SIF detector: T255 (fine adjustment).
• P-detector coil T252 adjustment.
• Bell filter adjustment.
• The sound decreases in volume after switching on.
• Sub-sound R1342 adjustment.
• Pilot detector T906 adjustment. (702596 tips)
• At switch on appliance builds up high voltage for a short time and then switches off.
• Sub-sound adjustment.
• Stretched picture.
• +B (STAND BY) (R714) adjustment.
• No start-up (when cold).
• +B 113V adjustment - mother unit.
• SIF detector T255 fine adjustment.
• Bell filter T800 adjustment.
• Clock oscilloscope (6.0 MHz): C3011.
• +B R736 adjustment.
• Clock oscilloscope 6.0MHz adjustment - Text PWB unit.
• CLOCK oscilloscope (6.0MHz): C3011 adjustment.
• Adjusting the aux noise control.
• Green and blue drive adjustment.
• Drive control adjustment.
• SIF (Sound IF) detector rough adjustment.
• Clock oscilloscope 6.0MHz adjustment - Text PWB unit.
• Text level adjustment - Text PWB unit.
• Vertical fault.
• 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.
• 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.
• Control detector adjustment.
• P-detector coil T252 adjustment.
• SIF - detector rough adjustment.
• Setting the character position control. (part of circuit diagram displayed)
• Black screen.
• Stuck in standby (intermittently).
• Sub sound control adjustment .
• Audio level and separation adjustment.
• Sub-colour adjustment.
• AFT coil fine adjustment.
• Adjustment of deflection loop (21" only).
• AFT DET (Automatic Frequency Tuning Detector) rough adjustment.
• Setting the picture IF/ automatic fine tuning/multiple audio: P detector coil. (+ extract of circuit diagram)
• 38.9MHz detector adjustment.
• Adjusting the HF AVR: R263. (702596 OTTOVERSAND repair tip)
• Adjusting the control detector : picture IF/automatic fine tuning/ multiple sound.
• RF-AGC adjustment.
• +B adjustment.
• Deflection loop adjustment - 25" and 28" only .
• Picture blurred in tuner or scart. Impossible to adjust with focus pot and G2.
• Clock oscillator (6.0MHz) adjustment.
• Text switching board: clock oscilloscope
• Sub-colour adjustment.
• No picture. Sound ok. EHT, G2 ok. Sandcastle present with all voltages.
• Tuner IFT adjustment.
• Level R3066 adjustment.
• The picture is purple.
• CRT board: driver control.
• P-detector coil adjustment.
• SIF detector T255 rough adjustment. (service info for OTTOVERSAND -702596)
• Line output transistor burnt.
• Tuner IFT adjustment. (extract of circuit diagram attached)
• 38.9MHz adjustment.
• Switches to standby (intermittently).
• Bell filter adjustment: T800. (702596 OTTOVERSAND repair tip)
• Level control and separation adjustment: image IF / fine adjustment automatic / multiplex sound.
• 5.5MHz detector T903; 5.74MHz detector T905 adjustments.
• Bell filter adjustment. (service info for OTTOVERSAND -702596)
• Stereo, bilingual adjustments.
• Deflection loop adjustment.
• Pilot detector adjustment.
• 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.
• Picture would occasionally develop a red tint.
• Stereo: R929, bilingual: R930. (702596 OTTOVERSAND repair tip)
• Adjusting the deflection coil.
• No audio.
• Pilot detector adjustment.
• Adjustment of the deflection loop. (picture attached) (OTTOVERSAND - 702596 information)
• Screen control adjustment.
• Distorted picture at the top, chattering in the appliance, picture runs through sometimes.
• No start-up. intermittently. (702596 tips)
• Adjusting the screen control.
• No start-up. LED lit. .
• Sub-colour adjustment.
• Sub-colour adjustment. (OTTOVERSAND - 702596 information)
• Shuts down.
• Screen control adjustment.
• Setting the picture IF/ automatic fine tuning/ multiple audio: 5.5MHz detector and 5.74MHz detector.
• No signal (via tuner). Blank raster.
• Setting the picture IF/automatic fine tuning/multiple sound: IF transformer of the tuner. (extract of circuit diagram attached)
• Flickering picture. after a while (depending on picture content).
• 5.5MHz DET: (T903), 5.74MHz DET: (T905) adjustment.
• Setting control for +B150V.
• AFT coil fine adjustment.
• Switches off by itself.
• No brightness.
• Sif detector: T255. (coarse adjustment)
• Setting the picture IF/ automatic fine tuning/ multiple audio: audio locking device. (extract of circuit diagram attached)
• SIF detector rough adjustment.
• White picture, blank raster.
• Adjustment of deflection loop (25" 28" only).
• Stereo (R929) - bilingual (R930) adjustment.
• Green and blue drive adjustment.
• 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.
• +B 113V adjustment.
• Red flyback lines, occasionally picture disappears.
• STEREO R929 and bilingual R930 adjustment.
• No or intermittent start-up. Switches off by itself. intermittently.
• Erratic start-up.
• RF- AGC R263 adjustment.
• CRT board: screen control.
• Adjustment of S trap.
• Deflection loop adjustment - 21" only.
• P detector coil: T252.
• Bell filter adjustment. (702596 tips)
• Level R918 and separation R917 adjustment.
• Video/chrome adjustment: bell filter. (with circuit diagram extract)
• AFT DET: T251.
• Drive control R1874 and R1875.
• Control detector:T906.
• Power supply chokes when switched on from standby. TV switches back to standby.
• AFT detector T251 fine, Mother checker, adjustment.
• Remains in standby. If relay RY701 forced, TV switches on, only screen remains white as if it were in AV.
• 38.9MHz detector T902 adjustment.
• Deflection loop adjustment.
• Switching on the HF AGC.
• Text level adjustment - Text PWB unit. (service info for OTTOVERSAND -702596)
• AFT detector T251 rough adjustment.
• 5.5 MHz DET: T903 and 5.74 MHz DET:T905. (OTTOVERSAND - 702596 information)
• Power supply fails at start-up. Green Standby LED lit.
• Line output transformer starts up then appliance switches to standby.
• SIF detector (fine adjustment) adjustment.
• Adjusting the aux. noise control: R1342.
• Purple picture
• 5.5MHz and 5.74MHz detectors adjustment.
• Adjustment control for +B150V: R736.
• Sign position R2085 adjustment.
• Stereo R929, Bilingual R930 adjustment.
• Drive control R1874 and R1875 adjustment.
• P detector coil, T252, adjustment.
• P-detector coil adjustment.
• Pilot detector adjustment.
• S TRAP (T254 and T256) adjustment.
• SIF detector fine adjustment.
• Deflection loop 21" only adjustment.
• SECAM detector: (T801 and R805) adjustment.
• STEREO R929 bilingual R930 adjustment.
• Dark picture. Audio OK .
• Screen control adjustment - CRT PWB unit.
• At switch on, line transformer whistles. Dark screen, no sound, no EHT.
• Sign position control adjustment.
• Bell filter (T800) adjustment.
• Level control adjustment.
• AFT coil rough adjustment.
• Adjusting the 38.9MHz detector. Picture IF/automatic fine tuning/ multiple sound.