| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
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| Philips | 21PV688 | Service Mode - entering | Press 'stop' on hset & 'play' on front together for about 5 secs | 14-09-04 |
| Philips | 21PV688 | St/by only | Fus res 3514 4R7 3w o/c when TDA8356 IC 7510 fop chip fails | 14-09-04 |
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| Philips | 21PV688 | tripping, LED flashing red/green | LOPTx u/s (4822 140 10655) | 14-09-04 |
| Philips | 21PV688/05 | No pic | No heater supply to crt - R3532 & R3537 4R7 o/c | 14-09-04 |
| Philips | 21PV688/05 | Switches to st/by at sw on | Caused by F o/p chip TDA8356 (no heatsinjk compound), also R3512 4R7, R3541 1R | 14-09-04 |
| Philips | 21PV688/39 | St/by only | Check Field chip & LOPTx - If field chip old type (with "5Y" or lower) marking its the old type - order kit pt no 4822 209 16781 which includes chip & other parts | 14-09-04 |
| PHILIPS | 21ST2731/05 | PICTURE SHIFTED/BLANK ONE SIDE | IC7470 FAULTY TDA2579B | 14-09-04 |
| Philips | 22GR9972 | "Mono F2" flashes up at odd times | resolder sm ceramic caps on Nicam pcb | 14-09-04 |
| Philips | 22GR9972 | Txt int | resolder sm ceramic caps on Txt pcb | 14-09-04 |
| Philips | 23DV1 | Audio not recorded; previous audio not erased | Remove connector from cable of erase-head and solder the wires directly on the erase-head. Check also whether metal-flakes are present in the flatcable connection of the audio-sync head.
Note: touching the wires can already hide the complaint! | 14-09-04 |
| Philips | 23DV1 | AUTOSTORE skips transmittors | In case of high RF voltages (> 80DB UV), some transmittors are not stored.
Solution: Modify time-constant in RF-AGC circuit:
R3720 becomes 1kOhm.
C2724 becomes 10 uF.
Introduced in production from week 9319 onwards. | 14-09-04 |
| Philips | 23DV1 | Codenumbers deckprocessors | Sets produced with factory code < WD30 use the intel video controller with mask version MMTD2-XU. (4822 209 32506) Sets produced with factory code WD30 and higher use the Toshiba video controller with mask version MMTD4-XU. (4822 209 32736) .
Whe | 14-09-04 |
| Philips | 23DV1 | Modification | For a better performance of the erase oscillator, the following components are modified in production:
POS. 2620 - 47 nF - 4822 121 51655
POS. 2622 - 33 nF - 4822 121 43996 | 14-09-04 |
| Philips | 23DV1 | Modification | From DECK production code WD22 onwards, a new lift has been applied (Sets production code WD40 or RJ12).
For "old" sets, the codenumber for the lift assembly 4822 443 63702 remains unchanged (but delivered with new lift and kit L).
For "new" sets, | 14-09-04 |
| Philips | 23DV1 | Rattle during fast-forward | If a Turbo-drive with Fast-Forward problems are brought-in for service:
Check first of all whether thooth-wheels 116 and 117 sufficiently grip in each other. If these tooth-wheels rattle-over-each-other during fast forward, replace following components | 14-09-04 |
| Philips | 23DV1 | Spare part information | A repair kit , containing PULLEY SHAFT + WORM SHAFT (POS. 47+48) is delivered with codenumber 4822 310 10657.
This kit can be used for all TURBO- and ECO mechanisms ! | 14-09-04 |
| Philips | 23DV1 | Supply does not start, D6115 defective | Replace diode 6115 on supply MSM1 by a 1N4148 (4822 130 30621). | 14-09-04 |
| Philips | 24DV1 | Audio not recorded; previous audio not erased | Remove connector from cable of erase-head and solder the wires directly on the erase-head. Check also whether metal-flakes are present in the flatcable connection of the audio-sync head.
Note: touching the wires can already hide the complaint! | 14-09-04 |
| Philips | 24DV1 | Codenumber correction | The codenumber of the front-cover (POS.22) has to be 4822 443 64166. | 14-09-04 |
| Philips | 24DV1 | Modification | For a better performance of the erase oscillator, the following components are modified in production:
POS. 2620 - 47 nF - 4822 121 51655.
POS. 2622 - 33 nF - 4822 121 43996. | 14-09-04 |
| Philips | 24DV1 | Spare part information | A repair kit , containing PULLEY SHAFT + WORM SHAFT (POS. 47+48) is .delivered with codenumber 4822 310 10657.
This kit can be used for all TURBO- and ECO mechanisms ! | 14-09-04 |
| Philips | 24PW600/05 | Black lines/bands across pic like bad ae conn | Tuner faulty Part Number is 4822 210 10853 from WVE | 14-09-04 |
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| Philips | 24PW6006/05 | Cuts out aft fews secs - poor green, tubey pic when displayed | Adj of A1 seems to have cured it | 14-09-04 |
| Philips | 24PW6006C | Goes off aft 30 secs | Enter Service default mode by entering 062596 on R/C followed by Menu button &t LED blinks to tell where fault is.Pressing standby clears error buffer & appears to have cured fault.
Corrupted data in error buffer? | 14-09-04 |
| Philips | 2550 | DEAD-LOUD TRIPPING NOISE | D6845 ( SURFACE MOUNT ) SHORT | 14-09-04 |
| Philips | 2550 | NO FIELD SCAN ( APPROX 2" ) | R3511 HIGH | 14-09-04 |
| Philips | 25KX1201 | Varying grey scale | Black level controls are sus if made by PREH | 14-09-04 |
| Philips | 25MK2480 | no raster EHT oK | T7966 BC558 in beam lim | 14-09-04 |
| Philips | 25MN1550 | No tuning - in Hotel mode | select CH 38 simultaneously press vol + and ch - to disable hotel mode | 14-09-04 |
| Philips | 25PT410/05 AA5AB | Tuning drift | C2037, a 220nF SMD on pin 44 of IC7015 (near tuner) also if not locking check adj of AGC preset & coil L5040 near IC7015 | 14-09-04 |