| Make | Model | Problem | Solution | Date |
| | | |
| Found: 438
|
| 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 | CI623CN | Field collapse | TDA8350Q s/c ; R307 10R 1/2w fusible o/c | 14-09-04 |
| Samsung | CI633CN | Sound but no pic | Pic appeared when A1 advanced - new LOPTx reqd | 14-09-04 |
| Samsung | CI6837AN | Dead - whistles even in st/by | IC603 TDA2616 audio o/p chip internal s/c under load | 14-09-04 |
| Samsung | CI6837AN | SET WHINES NO PICTURE OR SOUND | IC603 TDA2616 SC INT. | 14-09-04 |
| Samsung | CI6837AN | White dots across screen & no sound | 5 & 12v supplies low due to dry joint 15v link wire to regs | 14-09-04 |
|
|
| Samsung | CI6837AN Z68 | 5 evenly spaced lines across lower part of picture | IC301 TDA8350Q Field/EW chip | 14-09-04 |
| Samsung | CI683CN | Top half of field scan missing | TDA8350Q field IC | 14-09-04 |
| Samsung | CI6844N | Field reduced then collapse - lines at top aft chip replacement | TDA8350Q & R307 10R 5w o/c - also check elects in Field cct | 14-09-04 |
| Samsung | CI6844N SCT12B | Service adjust proc | 1. Press standby, display, menu, mute, standby, OR Press standby, picture standard, help, sleep, standby OR Press standby>display>menu>mute>power on
option bytes
:
: 1 zoom mode: wide/normal/zoom: 2 audio mode: nicam stereo: 3 one chip: TDA8844
: 4 led option: normal: 5 language: west eng/ger/dut/spa/ita/swe: 6 system: CI
: 7 ats option: on: 8 field pol: field pos
:: having set the option bytes , press menu key and reset message should appear on the screen.
: [the zoom, one chip and field pol bytes are set according to the size and type of crt]. | 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 | CICI6229 | FRAME COLLAPSE | REPLACE C808 IC301 | 14-09-04 |
| Samsung | CR5035 | Dead aft storm | STRS 6707 D404 (15Volts start up for Drive ) TDA 7056 audio chip ( no sound ) TDA8362 Jungle chip no OSD | 14-09-04 |
| Samsung | CW30A75S | St/by only with LED flashing | R423 overheats - DZ302 33v zener & IC301 TDA8351 | 14-09-04 |
| Samsung | CW593 | St/by only with LED flashing orange & straining psu | C814 across D802 & HT supply s/c | 14-09-04 |
| Samsung | CW593CNG | Dead - blows LOPTr | If R821 next to opto coupler is 133k then ht should be 130 volts. if R821 is 150k then ht should be 155 volts. If still blowing line output transistor then the loptx is the probable cause. | 14-09-04 |
| Samsung | CX-6844N | Partial field collapse | IC301 TDA8350Q, 2 caps not marked 10µ & 100µ 63v, ceramic 10R 5w resistor across pins 3/5 of above chip | 14-09-04 |
| Samsung | CX-6844N | Partial field collapse | IC301 TDA8350Q, 2 caps not marked 10µ & 100µ 63v, ceramic 10R 5w resistor across pins 3/5 of above chip | 14-09-04 |
| Samsung | CX6844N | field - partial collapse | replace TDA8350Q IC301 & 2 caps not marked on pcb 10µ & 100µ 63v & 10R 5w res across pins 3 & 5 of IC301 | 14-09-04 |
| Samsung | CX6844N | field - partial collapse | replace TDA8350Q IC301 & 2 caps not marked on pcb 10µ & 100µ 63v & 10R 5w res across pins 3 & 5 of IC301 | 14-09-04 |
| Samsung | LE32A456C2D PSU board: BN44-00214A | ot coming out of standby or shutting down. | Check solder joints on T0-220 MOSFET QB802 on the power supply board.
| 11-10-12 |
| Samsung | P55 | loss of 1 col | R803/811/818 33k 2w on crt base | 14-09-04 |
| Samsung | P55 | loss of 1 col | R803/811/818 33k 2w on crt base | 14-09-04 |
| Samsung | P58C | Dead - pri HT only | C816 2200pf 1kv split, C808 & C813 100µ 16v & C817 100µ 25v low | 14-09-04 |
| Samsung | P58C | Dead - pri HT only | C816 2200pf 1kv split, C808 & C813 100µ 16v & C817 100µ 25v low | 14-09-04 |