Make | Model | Problem | Solution | Date |
| | | |
Found: 40
|
Amstrad | TVR1 | DARK PIC | R1640 220K | 14-09-04 |
Amstrad | TVR1 | Dead fuse Ok - relay clicks. | C1509 ( 3 , 300pf 1KV ) , R1502 ( 27ohm5w ) o/c , C1507 ( 1uf50v ) | 14-09-04 |
|
Amstrad | TVR1 | dead with burning smell | C1509 3,300pf burnt | 14-09-04 |
Amstrad | TVR1 | Dead. | R1410 ( 4.7ohm 2w ) left of LOPTX o/c. | 14-09-04 |
Amstrad | TVR1 | Goes dead aft short time | D1507 , C1511 100mfd , 160v | 14-09-04 |
Amstrad | TVR1 | Goes off with whine if sw on from warm | D1507 & C1511 100µ 160v | 14-09-04 |
Amstrad | TVR1 | Long time to come on | C1507 0µ22 | 14-09-04 |
Amstrad | TVR1 | No frame. | D1404 ( PR156 ) , R1415 ( 2.2R ) | 14-09-04 |
Amstrad | TVR1 | No Tv function. | C1507 ( 0.22uf 50V ) , D1507 ( B7299 ) s/c , R1503/4 ( 270k ) high or o/c. | 14-09-04 |
Amstrad | TVR1 | Pic pulses small when brill advanced | HT in sympathy with pic size IC1501 STK7348 | 14-09-04 |
Amstrad | TVR1 | Startup - slow. | C1507 ( .22uf ) in PSU , may check ok. | 14-09-04 |
Amstrad | TVR1 | Takes up to 15 minutes to start. | R1504 ( 270k ) gone high. | 14-09-04 |
Amstrad | TVR1 | Uncontrollable sound. | IC AN5265. | 14-09-04 |
JMBC | 2099TX Matsui TVR180 | St/by only | syscon/timer/servo IC1006 OEC0078C using the sub-panel to get it out
of S/by and then corrected incorrect Hex values. (Or get preprog 24C08 from Grandata) | 14-09-04 |
Matsui | TVR141 | Comes on for 2-3 secs then reverts to st/by | Mode sw | 14-09-04 |
Matsui | TVR141 | Dead - no LEDs - PSU working | C523 16V 100uF (next to the heatsink IC502, it is the tallest heatsink on the PCB). | 14-09-04 |
Matsui | TVR151 | Missing blue, patchy picture, Horizontal blue lines down LHS | C630 on VCR PCB broken away from pad (C629 & C628) correspond to green and red | 14-09-04 |
Matsui | TVR161 | Blows 4A fuse at sw on | Q500 fet chopper (2SK2056) s/c, R501 (2R2 7W) o/c, C515 (1mfd, 160v) and C504 (47mfd) high esr. Print to pin 3 TDA4605-3 chopper control Ic o/c | 14-09-04 |
Matsui | TVR161 | chopper FET s/c Q500 2SK2056 | check R504 330k; R506 820k metal film 350v also check 2R2 7w limiter | 14-09-04 |
Matsui | TVR161 | Dead | R504 390k o/c (pin 2 of TDA4605-3) R505 330K Blows 2SK2056 2.2Ohmn 7w/w to bridge rects Changed all inc ic and C515 1uF 160v C504 47uF 25v | 14-09-04 |
Matsui | TVR161 | Dead | R506 820k in psu o/c, Q500 2SK2056 FET s/c, & check C515 1µ 160v, C504 47µ 25v & R504 330k | 14-09-04 |
Matsui | TVR161 | Dead - R508 in chopper overheats & destroys FET | Replace R508 47k (not 4k7) & Q500 FET 2SK2056 | 14-09-04 |
|
Matsui | TVR161 | No pic with fb lines | HT to RGB o/p only 50v; C431 22µ 250v | 14-09-04 |
Matsui | TVR161 | Slow start up before going dead | replaced q500 (2sk2056) + r508 47k res+ic501 tda4605-3 + the cause of the problem c504 47mfd (high ESR) | 14-09-04 |
Matsui | TVR162 | Dead | start up res R506 560k o/c | 14-09-04 |
Matsui | TVR162 | Sound level low on pback | Check elects in audio stage | 14-09-04 |
Matsui | TVR180 | Dark pic | C819 2200pf 2kv leaky on crt base | 14-09-04 |
Matsui | TVR180 | Dead - PSU blown | STRF6707, R542, R543, R503, 22u, 100u & opto coupler | 14-09-04 |
Matsui | TVR180 | Dead with front blown off STRF6707 | STRF6707 R542 0R39 1W, R543 680R, R503 4k7 | 14-09-04 |
Matsui | TVR180 | Dead with psu pulsing | LOPTr 2SD2599 s/c - replaced with BU508DFI - no reason found for its demise | 14-09-04 |