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| BE4A KVM14M1U | At sw on, only 1 funct could be selected b4 lock up | Replace IC803 EEPROM 24C02 - used blank |
| BE4A KVM14M1U | To enter service mode | Select OSD ,5,Vol+,TV TT appears in right hand corner. Select menu .Adjust with cursor keys .Standby to store new settings. |
| 1420 | LINE TEARING - E/W VARIES | CHECK Q803 PIN AMP TIP41 WORKS |
| 27XRTU | Dead | CHECK R 822 1K2 LINE DRIVE |
| 27XRTU | NO SYNC | SAA5230 AND Q002 12v REG |
| 27XRTU | NO SYNC NO INPUT AT PIN 5 IC501 NO VIDEO OUTPUT AT | SAA5230 US CHECK Q002 12v REG |
| AE1 | Blank screen with flyback lines | R805 ( 1R2 ) o/c |
| AE1 | Burning smell | Dry joints R614 - can fit in alternative posn; check R611 & L607 for o/c |
| AE1 | CAN'T STORE STATIONS PIN 2 ICOO3 NOT -33v | L807 OC PtNo 140750400 also check R008 C017 |
| AE1 | Chans won't store - int | The -30v supply to IC003 M58655 Memory chip falls to -15v. L807 feed coil was int o/c |
| AE1 | CHOPPER TRANSISTOR SC | R614 OC MAYBE IC601 ALSO TEA2164 |
| AE1 | Crackle on sound | D/J around earth points check mains bridge |
| AE1 | Dead | R1603 2R7 7w o/c; Chopper tr 2SD1548 s/c; R614 220R stand up res dry joints |
| AE1 | Dead - comes on in st/by if sw on from skt | Check for 0v at pins 2 & 3 of IC601; if pin 3 = +7v sus LOPTx. Earth pin 3 and check for smoke! |
| AE1 | Dead - mains fuse o/c, Q602 2SD1548LB chopper tr s/c | D608 RU-3AM s/c also check R614 220R 10w dry joints |
| AE1 | Dead - st/by light comes on briefly | Running on dummy load not recommended - LOPTx u/s |
| AE1 | Dead with flash & fizzing noise | Spark from T601 power trnsfmr when powered with variac - dry joints on winding conns on trnsfmr pins 17 & 18 |
| AE1 | EW FAULT+RH SCREEN BLANK | DRY JOINTS ON AV BOARD! |
| AE1 | Excess brill with fb lines | R722 680k in chassis side of A1 volts o/c |
| AE1 | Field collapse | Check IC502, R802, R530 & R802 |
| AE1 | Field collapse | TDA8170, TEA2031A, L806 |
| AE1 | Field lin - top stretched | C531 680µ |
| AE1 | Field lin bottom cramp | C531 680µ 25v |
| AE1 | Field non lin and short pic | C531 680µ 25v |
| AE1 | Field reduced with cramping/foldover | R802 0R47 |
| AE1 | Fizzing tripping noise. | Drys on windings pins 17&18 of T601. |
| AE1 | Flashing/smearing & then off when heated | IC301 TDA4580 RGB controller faulty & overheating |
| AE1 | Frame - striations. | R5025 ( 680ohm ) |
| AE1 | INT LOSS SOUND AND PICTURE | Q608 12v REG DRY RESOLDER CHOPPER TX AND METAL PLATES EARTH TABS |
| AE1 | Int loss sound pic ok | D/J on IC251 or IC252 |
| AE1 | Int picture , touching / adjusting A1 brings pictu | Check for drys on text pcb , particularly on top mounted plugs / sockets |
| AE1 | Int won't come out of st/by | HT checked - ok at 135v when on but high at 143v in st/by - set st/by set HT control for 135v |
| AE1 | Int/slow start up | C615 1000µ 25v in 14v supply leaky |
| AE1 | Intermittent loss of the luminance signal | Delay line ( DL332 ) on PCB B. Its part no. is 1-236-062-11. |
| AE1 | intermittent teletext contrast variations | Dry joint at the emitter of Q02 on board V |
| AE1 | Jagged pic - may be int | RV502 10k hor phase pot dirty |
| AE1 | Lack of height field foldover cramping in centre | R801 ( 0.47R ) |
| AE1 | Lack of height with cramping in centre | The 27v supply to FOP chip low at 20v, check R802 0R47 & D801 leaky RGP15J |
| AE1 | LINE OP TRANSISTOR KEEPS BLOWING | L806 SC |
| AE1 | LOOKS LIKE FINE TUNE OFF WILL NOT LOCK NICAM | IC601 DRY |
| AE1 | LOSES PICTURE ON CHANNEL CHANGE ( INT! ) IC1003 PI | L8O7 INT OC ( -30v FEED ) |
| AE1 | Luminance int | Delay line DL332 faulty - pt no 1-236-062 |
| AE1 | Motor boating noise in StBy | D/J on Heat sink audio output ic earth also check C612 |
| AE1 | Motorboating sound in st/by | dry joints on main metal plate across pcb |
| AE1 | No EHT - line scan drive at 10v | D1504 on SCART PCB leaky |
| AE1 | No EHT LINE SCAN DRIVE APPROX 10v | D1504 SC ON SCART PCB |
| AE1 | NO NICAM | BPF 1101 |
| AE1 | No pic - sound ok | Faint pic present when A1 advanced - no RGB sigs at crt base - Q801 beam lin tr not conducting - R812 68k o/c |
| AE1 | No picture - sound Ok. | Mod. |
| AE1 | No picture - with sound. | D803 , R807 ( 1k ) |
| AE1 | No R/C operation, no sound & pic - pic size varies with brightness | C615 1000µ 25v 14v res cap supply faulty |
| AE1 | No sound or pic | 12V at L606 low R822 ( 1K ) o/c |
| AE1 | off | STR50115, R2M, R621 1R 2w, & cp PS801 |
| AE1 | Only left hand side of pic visible with bowed side | Dry joints pins 17 & 18 plug/skt CNJ51 AV interface board |
| AE1 | Pic blanked out - sound ok | Check 18v supply - read 38v.; Q608 2SD1761 |
| AE1 | PICTURE COVERED BY FINE SHIMMERING HORIZONTAL BLAC | R544 330R O/C IN FIELD CCT |
| AE1 | Picture dissapears and goes to snow | Check memory IC for -30v , if low check L807 10uH |
| AE1 | POWERS UP THEN TRIPS OFF | IC251 ( LA4280 ) SHORT |
| AE1 | Purity poor | Scan coils shifted slightly - slacken & reposition |
| AE1 | Rolling on certain chans & dependant on pic content | C403 47µ on main pcb under tuner |
| AE1 | Shimmering horizontal black lines | R544 330R scan coil damping res o/c |
| AE1 | Shuts down with LED flashing 4 times | Check C605 220µ 35v, C617 100µ 50v |
| AE1 | Sound crackles & mute symbol flickers on/off | orange coloured crystal trimmer CV1101 on the Nicam module |
| AE1 | Sound int lost | Dry joints chopper tfmr 40v pin (& check obvious dry joint audio o/p trs) |
| AE1 | STARTS THEN SHUTS DOWN | REMOVE T601 RESOLDER JOINTS ON ALL PINS THEN REFIT |
| AE1 | Txt - int contrast | Q02 dry joints board V |
| AE1 | WHEN TEXT ON , ONLY TV CHROMA , IN MIX ONLY TV | DJ PIN 5 OF CONNECTOR D3 |
| AE1 | Will not store channels. | Should have -33v on pin 2 of IC003 ( M58655P ) , L807 o/c. |
| AE1 | Will tune but no store - may only tune in top of band | IC003 M58655P chip pin 2 only -14v instead of -33v; L807 10µH o/c |
| AE-1 | int neg pic | dry joints if can |
| AE-1 | line sync jitter & roll when heated | Q598 vid amp under tuner - also check dry joints if can & IC608 12v reg |
| AE-1 | Long time to come on | HT low at 120v & other supplies, C615 1000µ 25v |
| AE-1 | off when heated with led flickering rapidly | no r/c - 5v µ supply low - Q604 2SD789-3 |
| AE1 KVX2542Y | Field o/p chip has short life | LOPTx faulty - gives excess 27 volts supply (32v) |
| AE1A | Field - partial collapse | C531 680µ 25v |
| AE1A | Field lin poor | C531 680µ 25v |
| AE1A | Int reverts to st/by - due to high HT of 175v (135v) | R522 100k in HT sensing cct |
| AE1A | Sound takes more than a min to arrive | C615 1000µ 25v in 14v supply - feeds audio mute cct |
| AE1A | USER DEFINED SECURITY CODE IS UNKNOWN | WHEN CODE IS ASKED FOR - PRESS "TEST" ON A SERVICE |
| AE1B | Dead loptr s/c | dry joints inc at TDA2028B tbase chip IC501 |
| AE1B | Field cramped at bottom-stretched at top | C531 680µ |
| AE1B | High HT | R522 (100k) had increased to 150k |
| AE1B | No field scan | Check R802 ( 0.47R ) & R530 ( 1R2 ) feeds to IC502 ( TDA8170 ) |
| AE1B | Pic int blanks out | Comes on with tapping on rear panel - Q1404 faulty |
| AE1B | POOR FIELD LIN | C531 680mfd |
| AE1B | St/by only | Dry joints audio o/p chip IC261 blew chip TDA2050 then destroyed D613/614 (-19v rects) |
| AE-1B | bottom foldover/top stretch | C531 680µ 25v, C532 100µ 50v |
| AE-1B | Int pic | when off turning up A1 gives pic with no B - B o/p tr Q709 dry joint |
| AE1C | 4 flashes on front LED then nothing | Replaced C617 100ufd and C617 220ufd also attend to dry joints on the various regulator IC's |
| AE1C | BLANK RASTER | Q305 DTA144EK ON DECODER BOARD B |
| AE1C | Blank raster | Q305 DTA144EK sm on col dec board B |
| AE1C | Col flickers to black & white | Loss of 5v supply on board B - cct prot to 5v supply o/c |
| AE1C | Dead - Chopper FET s/c | Replace R604 150k & R610 180k & BUZ91A FET |
| AE1C | Dead - Chopper tr s/c | Replacement got hot - R651 100R sm o/c & C611 47µ was the cause |
| AE1C | Dead after poss lightening damage | Q604 s/c, R604 hi res, D609 & 619 s/c, D621 o/c, TEA2260 leaky between pins 15 & 16 (used TDA2261) |
| AE1C | Dead with leds flashing | C617 100µ |
| AE1C | Excess Width E/W Distortion TEA2031A hot | TEA2031A (on J Board) and L806 |
| AE1C | FLICKS FROM COLOUR TO B+W | NO 5v ON BOARD "B" CHECK 5v REG |
| AE1C | Goes dead after 2 flashes of led | D617 in start cct and C605 220uF |
| AE1C | Int col | 8.8Mhz xtal |
| AE1C | INT COL FLASHING PIC | CHECK FOR DRY JOINTS ON TAGS OF SCREENING CAN |
| AE1C | Int colour | Tc1 on video pcb dry . Check screening cans etc for drys also |
| AE1C | Int colour | TDA4510 decoder chip replaced & set up ref osc by s/c pin 11 of chip to chassis & adj C332 for stationary pic |
| AE1C | Int micro lockup, child lock & sigs | Dry joints connector of EEPROM daughter board |
| AE1C | INT ROLLS , GOES B+W , LINE TWITCHES | DRY JOINTS INSIDE CAN ON DIGITAL VIDEO PANEL |
| AE1C | Int start up | Check caps C605, 608, 611 & 617 |
| AE1C | INT. RIGHT CHANNEL | IC261 PIN4 DRY |
| AE1C | Intermittent colour | CT332 cap preset osc Pt no 114141821 |
| AE1C | No tuning memory | Replace eprom IC005, SDA2546 (24C08 will do). |
| AE1C | Pic cuts out aft 5 mins with click from spkrs | OK in st/by IC604 7605 5v reg |
| AE1C | Pic flicks from colour to B/W | 5V supply on B board missing Circuit protector o/c |
| AE1C | Pic int col and blanks out int | Dry joints on vid process vert pcb - earth lands of screening can |
| AE1C | Poor starting | C605 & 617 |
| AE1C | Sound goes tofull vol when adjusted | EEPROM IC005 SDA2546 |
| AE1C | Sound has loud background noise - pic ok | T181 sm tranny on A board |
| AE1C | Sound low | D271 13v zener o/c |
| AE1C | SOUND ON VISION AT HIGH VOLUME LEVELS | NORMAL |
| AE1C | St/by only - comes on eventually with no pic | sandcastle signal at pin 11 IC501 TEA2028B distorted - chip u/s |
| AE1C | Top field foldover | C632 100µ |
| AE1C | Various inc shimmering OSG, int vol, blank raster with high pitched squeal from speakers | Dry joints IC604 & D612 - hidden by plastic strut |
| AE1C | WONT TUNE | CHECK 05 ( 10K ) |
| AE-1C | int col lines third way down screen | ref osc trimmer cap CT302 after checking Xtal & chip |
| AE-1C | mod for int col | caused by CT332 trimmer - remove it & fit 15pF 50v ceramic cap in place |
| AE-1C | no pic - sound ok | when A1s advanced green pic appeared - TDA4580 IC301 |
| AE-1C | purity errors & geometry dist | scan coils slipped down neck of crt |
| AE1-C | No col aft some time | CT302 trimmer ord code 25002CJ £5.92 CHS |
| AE1C KVX2532U | Squegging line freq or dead if left on too long | Q804 LOPTr s/c due to dist line wfrm - R822 1k in Q805 coll feed o/c |
