L6.3 Repair Tips
Search: L6.3
Results 47
Results 47
| Make | Model Ch. | Symptom | Problem Solution | Solution | By: |
|---|---|---|---|---|---|
| Philips | L6.3 | Failure of fusible resistors R3929 and R3930 both 560R | Unfortunately when these blow it is a sure symptom of LOPTX failure. When replacing these resistors, check the big blue 470nF, 250V capacitor behind them for signs of heat damage and replace if necessary, to avoid a recall With resistors gone again! | ||
| Philips | L6.3AA 25PT4495/05 | Tripping - s/c in LOP | C2912 2n2 | ||
| Philips | L6.3AA 25PT4495/05 | Int lock up of controls - only cured by sw off & on again | Reg Tr7505 BC337/40 | ||
| Philips | L6.3AA | Field collapse | 1 ohm resistor 3928 tucked away on the bottom of the upright PCB next to the loptx. | ||
| Philips | L6.33AA | No R/C operation aft 5 mins, crackling then int off | 7505 BC337-40 | ||
| Philips | L6.33AA | Dead or tripping | 7505 BC337-40 & cct prot 1502 | ||
| Philips | L6.3 25PT4494/05 | St/by only | Replace o/c 630mA fuse link (1502) (4822 252 51185) and BC337-40 transistor (7505). | ||
| Philips | L6.3 25PT4494/05 | St/by only | Replace o/c 630mA fuse (1502) (4822 252 51185) | ||
| Philips | L6.3 21PT4494 | dead | chopper Tr s/c, LOPTr s/c. use power kit 4822 310 10663 and replace LOPTr BUT11AX | ||
| Philips | L6.3 | The set does not work anymore after switching it into the standby mode | Replace the line output transistor 7906. Also replace the line output driver transistor 7421 by type BC368-25 (use only a Philips version) The service code of BC368-25 is 933869720112. REMARKS : The cause is that the line output transistor 7906 | ||
| Philips | L6.3 | No sound - noise only from speakers | MPS3410 chip faulty - replaced audio pcb | ||
| Philips | L6.3 | Loses sigs aft 10 mins & no osd | 7505 BC337-40 | ||
| Philips | L6.3 | Dead - LOPTr 7906 BU1508AX faulty | Check L5420 in its base for o/c - if it is, new LOPTr will fail | ||
| Philips | L6.3 | Dead - LED not lit | 5v supply missing - check T7505 BC337-40 & T7500 BC858 sm (underneath T7505) | ||
| Philips | L6.3 | Codenumber information | Codenumber information ---------------------- Code number for L6.3 mainsswitch is :4822 212 11965 | ||
| Philips | L6.2 L6.3 | Chan lock up etc | Replace Tr7505 BC337-40 | ||
| Goodmans | L6.3 286NS | E/W dist & lack of width | Cap 2913 390nF 250v & mosfet tr 7908 STP4NA40F1 | ||
| Goodmans | L6.3 | Dead with PSU squealing | C2012 2n2 1kv on vert PCB | ||
| Goodmans | 286NS/05 L6.3AA | E-W dist | C2913 390nF low cap (on small stand up sub panel) | ||
| Goodmans | 286NS/05 L6.3 | Lack of width with no adj poss | C2915 390nF 250v o/c - can cause failure of LOPTr |