Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Philips | L7.1A | Codenumber information | Codenumber information LOT in use for 14" and 20" have service codenumber 4822 140 10612 LOT in use for 21" have service codenumber 4822 140 10638. REMARKS: Will be applied in L7.1a AA chassis. | ||
Philips | L7.1A | Codenumber correction | Codenumber correction service manual this codenumber for postion 7600 is not correct; listed below you will find the correct codenumbers. TXT SAA5290ZP/068 :4822 209 15699 TXT A/P NTSC P083CO55BBP/177 : 4822 209 15563 A/P LATAM P083CO55BBP/179 : 4822 | ||
Philips | L7.1A | Bad focus or focus varies in a new set or after CRT replacement | Possible solution: Short circuit the focus and the G2 pins of the picture tube with the aquadag coating. Switch the set on for approximately 5 seconds. After this return the set to its original condition. Check if the focus adjusted normally. If not repla | ||
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 |