Make | Model | Problem | Solution | Date |
| | | |
Found: 27
|
Beko | 20230T | Diagonal white/black lines across the top 6-7 inches of the frame. | 220 ohms res , o/c or high res , mounted on the scan coils. | 14-09-04 |
Mitsubishi | CT2230TX | NO SOUND | R371 2R2 OC | 14-09-04 |
|
NordMende | 4230 | Dead. | CA13 ( 0.47uf ) leaky. | 14-09-04 |
Philips | CT2309/05W | No sound/pic - has hissing from spkr | R3586 2R2 safety res o/c due to dry joints in LOP stage | 14-09-04 |
Philips | TX2301 | No remote operation - manual ok. | TS27 ( BC237 ) | 14-09-04 |
Proline | F205T Formenti PC230 | Dead - mains i/p fuse blown | C415 1nf 1kv (blue pulse type) situated near the SMTX on the primary side. It was split | 14-09-04 |
Samsung | CB7230ZN P72 | Field collapse | TDA3654 FOP chip (tried 3 B4 found one that would work) | 14-09-04 |
Samsung | CI6230 | Dead | C416 2µ2 250v blasted - check D814 s/c RU4AM - BYW95c does | 14-09-04 |
Samsung | CI6230 | Dim heaters, non lin field, hum bar on cols - all line derived supplies low | C560 4.7uf @ 250v & C590 2.2uf @250v on crt base | 14-09-04 |
Samsung | CI6230 | Field non lin and short pic | TDA3654 | 14-09-04 |
Samsung | CI6230 | No sound - ok via scart | Audio in at TDA8415 IC601 ok but no o/p - no osc due to 10Mhz Xtal being u/s | 14-09-04 |
Samsung | CI6230 | St/by only | C808 & 806 100µ 25v | 14-09-04 |
Samsung | CI6230 U88MT1 | ODD VIDEO - NO COLOUR | CHECK 12v SUPPLY FROM REG. | 14-09-04 |
Samsung | CI6230 U88MT1 | PARTIAL OR COMPLETE FIELD COLLAPSE , REPLACE IC301 | ADD 1N4148 FROM PIN 9 IC301 TO PIN 3 IC 301 ANODE TO PIN 3 ADD 1N4148 FROM PIN 3 IC301 , ANODE TO GROUND ADD 12pf CERAMIC FR | 14-09-04 |
Samsung | CI6230 U88MT1 | This set was dead , with just a highpitched squeal | C416 ( 2.2 , uF , 250V ) was short-circuit. It decouples the supply to the line output stage. | 14-09-04 |
Samsung | CI6230 UM88MT-1 | Filed collapse | When replacing TDA3654 fop chip also replace wire link PJ28 (from pin 5 chip) with 10µH inductor pt no 2701-001040 & fit 470nf polyester cap pt no 2305-000407 between pins 4 & 5 TDA3654 as close as poss to chip to prevent reoccurence | 14-09-04 |
Samsung | CI6230WN | Dead with squeal | C416 2µ2 250v in LOP supply | 14-09-04 |
Samsung | CI6230WN | Field chip has short life | fit a 470n cap from pin 5 of the chip to deck
and replace PJ28 with a 10 mH choke, check elect caps, give no guarantee and hope! | 14-09-04 |
Samsung | CI6230WN | No R/C operation | Micro IC701 had developed internal s/c which made prot line go low- PCA84C840/062 | 14-09-04 |
Samsung | CI6230WN | Pulsing psu & Tripping | C560 2µ2 250v on crt base - also check C590 - remove plug by loptx to crt base to check this fault | 14-09-04 |
Samsung | CI6230WN | Tripping | CHECK C560 2.2mfd 250v CRT BASE , REPLACE C590 AS WELL. ( TO CONFIRM - REMOVE CRT BASE CONNECTOR AT PLUG NEAR LOPT ) | 14-09-04 |
Samsung | CI6230WN | Tripping | C56 2u2 250v , C590 ON TUBE PCB USE 450v TYPES | 14-09-04 |
|
Samsung | CI6230WN | Won't come out of st/by when cold | C806 100µ 25v | 14-09-04 |
Samsung | CI7230 | Pic shifted to left with EW mod dr Tr smoking | Dry joint anode D405 BYD33 in LOP | 14-09-04 |
Samsung | CI7230 U88MT | Picture shifted to the left. As a result the extre | Badly dryjointed connection at the anode of D405 ( BYD33 ) in the line output stage. | 14-09-04 |
Samsung | U88MT CI6230WN | Int. goes on/off to stby | C831 220uF 200V | 14-09-04 |
Samsung | U88MT CI6230WN | poor start up and/or no stby, LED is off | C806 100uF 25V (pin 9 TDA4601) | 14-09-04 |