Make | Model | Problem | Solution | Date |
| | | |
Found: 313
|
Alba | CTV6682 | Blank raster | TDA8362A in prot mode - C707 in field fback volts supply | 14-09-04 |
Alba | CTV6682 | Field coll & no sound | No volts at ramp gen pin 43 TDA8362A; R818 22k o/c | 14-09-04 |
Alba | CTV6682 | Field collapse | R181 22k in 33v supply gone hi | 14-09-04 |
Alba | CTV6682 | Int then dead | chopper tfmr dry joints | 14-09-04 |
Alba | CTV6682 11AK12 | green flyback lines can be seen on the picture, otherwise is Okish | no green output from TDA8362A(2Y), the IC is u/s - caused by intermittently arcing LOPTx (HR6465). | 14-09-04 |
Amstrad | CTV2020/2028 Bush 2866 | Searches but finds no sigs | R124 15K 2W O/C located
behind the PSU in the centre nearest the front controls | 14-09-04 |
B & O | 3866 | Field - small with lines | Replace C44,45,47 and C49 also IC2 TDA2170 | 14-09-04 |
B & O | 3866 | St/by only | s/c loptr Tr11 S2000A3, dry joints C34 6n8 etc | 14-09-04 |
B & O | L2502 (3866) | Dead & squealing | Resolder a mass of dry joints on the PSU & line output panel then replace the short circuit line output transistor (TR11) S2000A3. | 14-09-04 |
B & O | L2502 3866 | Int starting , chopper drive present. If pin 3 IC1 , LM358 low check R14 & R16 , 220k. | If still no go , check TR20 on Tuner IF PCB . | 14-09-04 |
|
B & O | LZ5000 3766 | Won't work on batt - ok on mains | Aux sw behind mains sw contacts needed resetting - make sure battery supply is adequate | 14-09-04 |
Beko | 16628NS | Dead | R105 33k 2w o/c | 14-09-04 |
Bush | 2866NTX | Blank raster only when tuning | R124 15k 1w o/c | 14-09-04 |
Bush | 2866NTX | Dead | PSU elec caps, BUZ77, hi value r's | 14-09-04 |
Bush | 2866NTX | Dead | LOPTx, D577 s/c, R711 on e/w (4R7) | 14-09-04 |
Bush | 2866NTX | Dead | LOPTr Q602, C620 470nF 400v, C698 1000pF 2Kv, D105 BYD33J, I576 TDAFOP chip & R575 4k7 hi res | 14-09-04 |
Bush | 2866NTX | Dead | R103 47k 1w in PSU o/c | 14-09-04 |
Bush | 2866NTX | Dead - chopper tr s/c | R102 68k 2w & replace C106 33nF 630v, and C107 1Nf 2kv. As
part of the fault, R101 2r2 5w was open circuit, For good measure, the following should also replaced c109 1uF 50v, C112 47uF, I101 TDA4605-3,
R108 270k 2w, R109 680k 2w. | 14-09-04 |
Bush | 2866NTX | Dead - LOPTr BU2508DF s/c | Line Drive Transistor (Q580) - Type "F422" - Fitted 2SC2271 was the cause even tho' checked ok | 14-09-04 |
Bush | 2866NTX | Dead - LOPTr Q501 BU2508DF s/c | R604 3R3 2w on E/W panel overheating when LOPTr replaced - C596 0µ011 o/c | 14-09-04 |
Bush | 2866NTX | Dead - mains fuse blown | chopper transistor (2SK 2545), LOPTr(BU2508DF), E-W driver
(TDA8145), R618 (15k) R711 (3R3 0.5W fusible), C600 (1uf 250V electrolytic) all caused by C620 (0.47uf 250V) S correction cap going open circuit | 14-09-04 |
Bush | 2866NTX | Dead no st/by led | R102 68k 1W; R109 680k 0.5W o/c in psu | 14-09-04 |
Bush | 2866NTX | Dead with ticking sound | BY228 diode in E/W mod s/c & Q579 BD237 on subpanel next to LOPTx | 14-09-04 |
Bush | 2866NTX | E/W faulty - R711 burnt out or overheating | R711 3R3 o/c, TDA8145 & L671 10mH s/c | 14-09-04 |
Bush | 2866NTX | Int goes off aft 20 mins | Line dr trfmr int o/c - CHS Code ALB778 (same as Matsui 2196) | 14-09-04 |
Bush | 2866NTX | Int sound & sw off | Dry joints pins of connector on sound dec panel | 14-09-04 |
Bush | 2866NTX | No E-W correction after blow up | E/W ic & 4R7 safety res | 14-09-04 |
Bush | 2866NTX | No pic - sound ok | C620 470nF o/c | 14-09-04 |
Bush | 2866NTX | No sigs or tuning supply | R124 15k 1w o/c | 14-09-04 |
Bush | 2866NTX | No sound/pic - noise & OSD only | No tuning volts - R124 15k o/c (Front of main pcb) | 14-09-04 |