PRD900 / PACE [Sat receiver (analogue)]

• Video output from UHF modulator comes and goes intermittently.
• Restore factory settings.
• Insufficient picture with patterning and black diagonal lines.
• Encrypted channels suddenly scrambled.
• When on screen menu is selected there is noise on screen.
• No decoding or decoder messages.
• Blank screen (intermittently).
• After some time, low howl starts from one channel and spreading to other channels followed by crackling. Tuner then goes low gain, spots appear and crypted channels do not decode.
• Picture has a vertical bar moving across the screen from left to right and decoded channels also have horizontal streaks. (PRD900 PACE repair tip)
• Appliance is dead, power supply ticking.
• Dead.
• Wavy horizontal lines travelling up and down screen. Worse from RF output when horizontal (17V) polarised channel is selected. Decoded pictures streaky.
• Dead, mains input socket could be arcing and symptoms resembling interference, then goes dead.
• Blank screen with vertical line moving across from left to right and 'Radio' displayed. Plus faint whining on all channels.
• Vertical roll.
• On encoded channels black flecks or spots are present on flesh colours.
• Picture noise and when warmed up colour is lost.
• Whistles but does not light up.
• Horizontal lines drift up and down picture on horizontal polarised channels through RF output only.
• Blown power supply.
• PSU hisses, buzzes.
• Factory reset.
• Failed LNB volts.
• Incorrect frequency in the tuning menu.
• Not changing between horizontal and vertical channels.
• Does not unscramble signals and no on-screen messages to insert card. Sound and picture fine.
• No picture, no audio, after a short time.
• "Card Invalid" is displayed before the card has been put in.
• Power supply tripping, maybe intermittent.
• All voltages are slightly too high.
• Picture and sound are missing, just a blue screen. Possibly intermittent.
• No I/R remote operation.
• Will not tune to MTV or Eurosport.
• At switch on, poor picture and low luminance.
• White smearing on blue screen when display figures showing.
• Hum in audio.
• Not decoding. No messages after warm up. (PRD900 tips)
• Distorted menu titles when warm.
• Soft white horizontal; moving lines across picture.
• No audio.
• Low RF signal loopthrough.
• Flickering OSG and jittering on Video-Crypt.
• Silky lines across screen.
• Polarization setting in menu not selecting horizontal/vertical, selects skew instead.
• Power supply whistling.
• No LNB, blank screen.
• Turning blue background on/off.
• Intermittently Card invalid message appears.
• No picture (intermittently).
• When card has been inserted "Card Invalid" is shown.
• Whistles.
• UHF output stuck, does not tune in.
• Interference fault, SK1 arcs. (PRD900 tip from PACE)
• No modulator picture.
• On encoded channels, sparkles are present on bright colours.
• Intermittently blue screen in REC and clock symbol flashes for approx 1 min then goes to standby.
• No unscrambling. No on screen messages.
• Video-Crypt encoded channels are not being decoded, could be intermittent.
• "888" in display.
• No Video-Crypt function, no unscrambling and no decoder messages.
• No sound or picture after power cut.
• Intermittent REC with clock symbol flashing permanently, or flashes for for short time then drops to standby. Intermittent blue screen REC.
• Blue screen. No RC, when set is warm.
• No on-screen decoder messages.
• When using external MAC decoder the MAC channels do not lock.
• Picture is missing, just a blue screen, sound ok. Possibly intermittent.
• Picture flicker, no decoding. (PRD900 tip from PACE)
• Intermittent blue screen REC. Intermittent REC with clock symbol flashing permanently, or flashes for for short time then drops to standby.
• At switch on horizontal bars are present over the picture which disappear when channels are changed.
• Rippling saturated colour on encrypted signals.
• Faint whine on audio.
• Will not decrypt scrambled channels.
• No horizontally polarised channels.
• Power supply ticking.
• Whine or high pitched buzzing on background sound which can be heard during quiet scenes. (NOTE: Only PCBs 182-0190203 (Rev B3) or earlier).
• Sound in RF mode is missing, via scart socket ok.
• Shadowed horizontal bars up the screen.
• Interference and SK1 arcs.
• No video output, scart signal ok, faint picture on CH69.
• Timer loses up to 45 seconds each week.
• Blank screen.
• Intermittently blue screen.
• LED display is missing.
• Only tunes to certain level.
• Intermittently REC with clock symbol constantly flashing on screen, or flash for 1 min then go to standby.
• Menu is not displayed. No channel ID.
• Parts of channel display do not light up.
• Decoded pictures are streaky.
• Picture intermittently scrambles on encrypted cannels with no on screen graphics. Ident/pic bounce slightly when warm.
• TV speaker produces high pitched whine.
• Sound is distorted on some channels especially on peak sound.
• No response using RC, just blue screen.
• Intermittent video via modulator.
• No aerial loop-through for terrestrial TV. Satellite signal out through modulator O/K.
• Factory reset does not take effect.
• No power on/off.
• Faulty/intermittent remote operation.
• No picture after approx 10 mins. Audio OK.
• Same programme on every channel.
• Constant blue screen.
• Black sparkles on encoded channels.
• No LNB DC supply of either polarity.
• No LNB supply.
• Receiver switches off for a few seconds after channels have been changed rapidly.
• No LNB voltage from input 1.
• Signal and LNB voltage are missing.
• No OSD after a few hours.
• No picture via modulator; scart connector OK.
• Shuts down and reverts to standby when channels changed.
• Horizontal lines across picture.
• Black screen, no graphics, sound ok.
• Field synchronisation is missing when warm, picture flashes.
• On some Video-Crypt encoded channels there is tearing or rippling which is more obvious on high saturation areas.
• No vertical or horizontal switching.
• Loop-through gain is poor, UHF signal strength is poor making snowy picture.
• No LNB supply. RC inoperative.
• Bright colours are mottled.
• When using UHF low channel numbers, diagonal interference lines move across the picture.
• Same channel number on every programme number.
• Clock symbol flashes on screen continually.
• OSG main menu is missing.
• Satellite picture rolls.
• TV picture interference on UHF band bottom end channels in fringe reception areas. Could show as a wavy diagonal line.
• Shadowy black bars going up screen.
• No RC functions. (PACE - PRD900 information)
• LNB supply will not change polarity.
• Decoding does not function.
• No remote response when warm.
• No decoder message appears on display.
• Poor superimposed OSG. Excessively high contrast level.
• Diagonal lines across screen.
• EEPROM memory courrupted.
• No remote response due to microcontroller locking up.
• Blown fuse. (PACE - PRD900 information)
• Field synchronisation is missing.
• Power supply ticks, LED segment flashing.
• Very low contrast on UHF output only.
• Tuning drifts.
• Appliance starts up slowly occasionally preceeded by beeping.
• Only noise.
• Incorrect indication of station frequency.
• Dim picture when RF output is used.
• Slight herringbone pattern when used via UHF modulator in mono Panda audio mode (mono 2-9) is selected.