MSS501 / PACE [Satellite reception system]

• Horizontal lines (intermittently).
• Dead or clicking. (MSS501 tips)
• Whining sound.
• Picture drifts sideways then goes to black and white.
• Will not decode Video-Crypt transmissions; no OSD. (+ extract of circuit diagram)
• Intermittently changes channels or volume.
• No decoder messages. On screen channel names float horizontally on screen.
• Muting does not function in timer mode from surround sound speakers.
• No satellite pictures.
• Dots in picture.
• Low contrast. No decoder messages or intermittent decoding. (+ extract of circuit diagram)
• Display slow to appear. (+ extract of circuit diagram)
• PSU doesn't start up. Ticking is audible.
• Low contrast. No decoder message. (picture attached)
• No on screen graphins. No decoding. (part of circuit diagram displayed)
• No sound on modulator or TV scart, normal sound on VCR scart.
• Sound distortion at decoder operation on scart socket AV1 and AV2, especially hearable as cracks and crackles via the connected speakers. (part of circuit diagram displayed) (MSS501 PACE repair tip)
• Poor horizontal synchronisation.
• Square pattern of white dots in columns and rows.
• Dead, just row of zeros. (+ extract of circuit diagram) (PACE - MSS501 information)
• No front panel display. (extract of circuit diagram attached)
• Not decoding when warm, no decoder messages. (+ extract of circuit diagram)
• No function, twittering noise can be heard from the PSU.
• P flashes below decoder messages on screen.
• Power supply upgrade.
• No audio via modulator. (+ extract of circuit diagram)
• Changes channels by itself every 20-30 secs.
• Remains in standby with zeros in display.
• Diagonal, dashed lines swirling across picture. (+ extract of circuit diagram)
• SMPS FET S/C.
• Screen displays "motor overload" when positioner used. Receiver functions OK. (with circuit diagram extract)
• "Card invalid" message appears on screen.
• No decoder and channel idents jumps or jitters. (with circuit diagram extract)
• Intermittently no picture from TV scart socket. (extract of circuit diagram attached)
• No decoder messages. (with circuit diagram extract)
• No sound, picture OK but with high pitch whistle. (picture attached)
• Display is dim and sometimes completely fades away.
• No or dim display.
• No or weak VCR output. (with circuit diagram extract)
• Faint and distorted sound from both channels; fluorescent display flickers in time to the sound. (+ extract of circuit diagram) (PACE - MSS501 information)
• Clock is faulty.
• No or distorted audio from RF or scart. (with circuit diagram extract)
• PSU squealing or hissing.
• Decoder message is lost after 5-10 mins. (picture attached)
• Dark picture. Audio OK .
• No surround sound menus.
• Tripping. (with circuit diagram extract)
• Does not decode most encrypted sky channels.
• No colour.
• Does not REC picture from VCR SCART.
• Weak, rolling picture. (picture attached)
• Vertical white lines on decoded channels.
• Restore factory settings.
• Blue screen.
• Lines in picture.
• OSD rolling to left side.
• Distorted audio on centre channel with front and rear scratching sound. (with circuit diagram extract)
• Blue screen. "No signal" message. (with circuit diagram extract) (service info for PACE -MSS501)
• Narrow rolling lines in image, rolling slightly bevelled, intensity depends on programS. Also light 25Hz flickering in the whole image.
• Blank raster (intermittently).
• Dark picture.
• Colour is overcontrolled, hardly any brightness.
• Servicing receiver.
• Intermittently dead.
• Horizontal streaky picture on whole screen.
• Evenly spaced dots on picture.
• Vertical black bar moving continuously from right to left.
• "LNB SHORT" message on screen.
• Blank screen.
• UHF output stuck around channel 21 and does not tune.
• Only receives vertical channels. (extract of circuit diagram attached)
• Whistling from PSU.
• Fluorescent display shadows. (picture attached)
• No audio. (picture attached)
• Patterning on terrestrial TV.
• "No signal" in display after 30 mins from cold. No decoder messages. (with circuit diagram extract) (MSS501 tips)
• Picture slips sideways when receiver warm. (+ extract of circuit diagram)
• Weak, crackling sound. (picture attached)
• Dead. after start-up.
• VTR recording failure, lines image flicker9ing, sound volume oscillates during PB of video tape. (+ extract of circuit diagram)
• Faulty front panel display.
• Poor contrast with dark picture and decoder inoperative. May have rolling picture.
• Power supply whistles with bad lines across screen.
• No picture from RF OUT. Picture from SCART OK
• No or weak picture from RF and TV scarts. (with circuit diagram extract) (MSS501 tips)
• Dead. Noise from PSU.
• Rolling interference lines in picture.
• Interference lines on picture. Audio possibly affected. (picture attached) (MSS501 tips)
• PSU ticking.
• Power supply whistles and no decoder messages. (MSS501 PACE repair tip)
• Dead. No display.
• Loss of sync on vertical channels. (extract of circuit diagram attached)
• Blue picture.
• No operation.
• Unreliable switching between H and V, especially if higher lead lengths. (part of circuit diagram displayed)
• Switches to standby. after warm-up.
• No sound or poor sound on modulator and TV scart, normal sound on VCR scart. (with circuit diagram extract) (MSS501 tips)
• Dead. Ticking noise. (extract of circuit diagram attached)
• PSU whistling or hissing. (with circuit diagram extract)
• No OSD.