| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Philips | AA5 AA | No field scan | TDA3654 7401 & D6449 BYD33G & 3449 400mA wickman fuse | ||
| Philips | AA5 21PT166B | Dead with HT LOPTx pri | Prot 1571 o/c in series with 11v supply to 8v reg IC7567 which had s/c o/p.This feeds pin 10 multifunction chip IC7015 via L5565 which was s/c to chassis. Usually caused by breakdown in LOPTx | ||
| Philips | AA5 21PT166B | Dead with F1571 630mA Wickman fuse blown | When replaced EHT & most volts correct tho no pic & A1 volts incorrect - LOPTx | ||
| Philips | A8.0E 32PW6324/05 | St/by only | Could be micro IC7000 pt no 311125054411 & memory chip IC7088 pt no 482220914928. Note option code on CRT label & change it in service menu then in serv align menu (SAM) adj geometry | ||
| Philips | A8.0E 24PW6324/05R | Tuning slightly high when locks on to a station in search tune | TDA8843 jungle chip faulty - has AFC feedback incorp in it | ||
| Philips | A10E 28PW6515/05 | Random variation of width/height with pic jumping | Painter micro chip faulty | ||
| Philips | A10E 28PW6305 | No pic - poor pic lacking contrast when A1 advanced | No volts pin 10 LOPTx (beam lim) - Tr7408 BF423 on main pcb leaky | ||
| Philips | A10E 28PW6305 | Int sound due to muting pin 8 of aud o/p chip IC7702 AN5277 int going low | Traced back to IC7064 sm pin 98 on control board leaky to earth when faulty. To avoid replacing this 100 pin sm chip, s/c e-c of Tr 7701 sm BC847B (under main pcb near AN5277 o/p chip) | ||
| Philips | A10E 28/32PW6005 | Sound int or absent or sw to Ext1- esp when warm | IC7064 micro usually the cause (shuts down aud o/p chip) - phone amp still ok - pt no 3111 250 54511 | ||
| Philips | A10 chassis | Locks up after a few mins (no chan change etc) | Painter chip faulty | ||
| Philips | A10 32PW6305/05 | No sigs but tunes ok - traced to small sigs panel | Check options code against label on crt | ||
| Philips | A10 32PW6305 | Vert lines floating behind pic - same on scart | Being generated in TDA9181 comb filter - TDA9181 replaced | ||
| Philips | A10 32PW6005 | Sound int or missing | Painter chip faulty - Remove mute function by linking E-C of T7701 (BC847B SMD) near the AN5277 on the underside | ||
| Philips | A10 28PW6515/05 | Reverts to st/by aft several hours until sw off at mains & re-started | IC7064 micro | ||
| Philips | A10 28PW6315/05 | Int locks up with no R/C response | IC7064 micro (painter) faulty - pin 76 R/C I/P stuck high |