| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
|
| Philips | MD2.22E | Intermittent no picture | Check pin 12 of connector I46 on the Audio Module (SCL line). Look for a badly soldered (oxidated) pin 12. Resolder pin 12 if required. | 14-09-04 |
| Philips | MD2.22E | Intermittent no picture | Check pins of connector O55 on the Combfilter panel. Look for badly
soldered (oxidated) pins. Resolder pins if required.
REMARKS :
Improved connectors introduced in production from week 9742 onwards.
| 14-09-04 |
| Philips | MD2.22E | Intermittent no picture and/or sound | Check pin 12 of connector I46 on the Audio Module (SCL line). Look for a badly soldered (oxidated) pin 12. Resolder pin 12 if required. | 14-09-04 |
| Philips | MD2.22E | Interruption of MOSAIC mode when using decoders connected to external | When the set is in MOSAIC mode and the preset from the decoder appears on the screen
(eg. CANAL+), the MOSAIC mode is interrupted and the set switches back to the last preset before switching on the MOSAIC mode.
This problem is caused by a wrong setting | 14-09-04 |
| Philips | MD2.22E | Introduction of DNR; Removal of Multi-PIP | Introduction of DNR; Removal of Multi-PIP
-----------------------------------------
During production Automatic DNR has been introduced in the MD2.2xE
sets. At the same time the Multi-PIP function has been removed because
these 2 functions can not be avai | 14-09-04 |
| Philips | MD2.22E | New service software for the MD2.2x sets | New service software for the MD2.2x sets
----------------------------------------
From week 9816 onwards new software is availeble for the MD2.x sets.
This software is only available for service.
The differences between the old software and the new one i | 14-09-04 |
| Philips | MD2.22E | No mosaic function available | In the newer 4/3 sets the mosaic function is not available anymore.
Instead of the mosaic menu, the auto-DNR function is added.
Those sets are supplied with an Instruction for use according to the
new status of featuring. There are no changes in type or | 14-09-04 |
| Philips | MD2.22E | No or slow reaction to RC / Not to standby | Slow response due to problems with I2C communication.
Check pin 12 of connector I46 on the Audio Module (SCL line). Look fo a badly soldered (oxidated) pin 12. Resolder pin 12 if required. | 14-09-04 |
| Philips | MD2.22E | No picture and no tuning | Check pins of connector O55 on the Combfilter panel. Look for badly
soldered (oxidated) pins. Resolder pins if required.
REMARKS :
Improved connectors introduced in production from week 9742 onwards. | 14-09-04 |
| Philips | MD2.22E | No picture, sound OK | Check the "customer service mode": press mute (remote control) and
menu (local control) at the same time for 3 seconds.
If the PP values are at zero then these values should be changed.
| 14-09-04 |
|
|
| Philips | MD2.22E | No picture. Sound, menu and TXT are OK. | Check pins of connector O55 on the combfilter panel. Look for badly
soldered (oxidated) pins. Resolder the pins if required.
REMARKS :
Improved connectors introduced in production from week 9742 onwards.
| 14-09-04 |
| Philips | MD2.22E | No sound from left, right, centre and subwoofer speakers | Check on audio supply panel (AB, page 39)
7302, BU508AF, 4822 130 61265
3300, 6E8 5W, 4822 117 12681
If one or both are defective also check production code on transformer
5305.
If production code on 5305 is between or equal to OP9802 and OP9824
then al | 14-09-04 |
| Philips | MD2.22E | No sound in headphone after switching to Canal+ | When switching from a channel to Canal+, the sound on the headphone
disappears. There is still sound in the loudspeakers of the set.
After switching to another channel the sound in the headphone comes
back again. This problem only occurs when the decoder | 14-09-04 |
| Philips | MD2.22E | No sound, picture OK | Check voltage of pin 2 of IC7761 (TDA2616) on the Large Signal Panel.
When this voltage is not correct check and replace if necessary D6754
(BZX79-C18; 4822 130 31024).
| 14-09-04 |
| Philips | MD2.22E | No TXT, no menu, no OSD | Check and replace if necessary X-tal position 1201 on the TXT&control
panel (27MHz; 4822 242 81191).
| 14-09-04 |
| Philips | MD2.22E | Noise (humming or low frequency whistle) coming from the picture tube | Mount a bleeder (HT capacitor) between the LOT and the picture tube.
This bleeder is supplied as a service kit (4822 310 11113) and include all material and an instruction note.
REMARKS :IRIS symptom code 2145 | 14-09-04 |
| Philips | MD2.22E | Noise (humming or low frequency whistle) coming from the picture tube | Mount bleeder (4822 310 11113) between LOT and picture tube.
If problem still exist Anti Crackling Coating (ACC) can be applied.
The code number for this ACC is 4822 390 10166.
The ACC is supplied with complete instructions how to apply.
REMARKS | 14-09-04 |
| Philips | MD2.22E | Noise from power supply transformer | Add a capacitor of 100pF (4822 121 51288) in parallel to position 2531
(1nF) on the Large Signal Panel.
REMARKS :
IRIS symptom code 1144 | 14-09-04 |
| Philips | MD2.22E | Picture distortions on canal+ and FR2 | Change resistor R3141 on the IF module into 180 ohm (4822 117 11448). | 14-09-04 |
| Philips | MD2.22E | Picture rotated in 28" WS sets | The following service solution can be applied to solve the rotation problem:
1. Add the North/South panel: 4822 212 11287
2. Mount rotation coil on the picture tube neck: 4822 157 70615 and connect it to the free connector (Y90) on the North/South pa | 14-09-04 |
| Philips | MD2.22E | Picture tubes A68ESF002X43 and A68ESF002X043 | Picture tubes A68ESF002X43 and A68ESF002X043
--------------------------------------------
+++++++++++++
ONLY FOR 29"
+++++++++++++
The picture tubes A68ESF002X43 (4822 131 20585) and A68ESF002X043
(4822 131 11232) are no longer available for service.
Th | 14-09-04 |
| Philips | MD2.22E | S1, S2 and S3 channels unselectable | S1, S2 and S3 channels are unselectable in channel mode.
Replace position 7202 on the TXT & control module with:
4822 900 11102 Software for non EPG sets
4822 900 11066 Software for -/58 sets
4822 900 11058 Software for EPG sets
REMARKS :
IRI | 14-09-04 |
| Philips | MD2.22E | Seagull effect in the top of the screen | Add North South panel 4822 212 11564 on position L91 of the LSP.
Remove bridge wire 9621.
Add bridge wires 9431, 9442 and 9443.
REMARKS :
This is only a service solution and will not be implemented in
production. | 14-09-04 |
| Philips | MD2.22E | Service hint | Service hint
------------
Check the VDR on the mainsfilter panel. If this is defective, replace
the old VDR (4822 116 21217) by a new one (4822 116 10065).
REMARKS :
Introduced in production from week 9752 onwards. | 14-09-04 |
| Philips | MD2.22E | Set can go into protection by switching on. | Change capacitor C2524 (parallel to C2525) into 10uF (4822 124 41579).
| 14-09-04 |
| Philips | MD2.22E | Set in protection | Check and replace if necessary capacitor C2420 on the LSP
1nF (4822 121 70594) for 25", 28" WS, 29", 32"
1.2nF (4822 121 70595) for 24" WS, 25" BL-S, 28" BL-S
1.5nF (4822 121 70581) for 24" WS VGA
| 14-09-04 |
| Philips | MD2.22E | Set in protection with several error codes in the error buffer | Errors caused by intermittent I2C communication problems. Usually one of the error codes is related to the MSP34x0 sound processor.
Check pin 12 of connector I46 on the Audio Module (SCL line). Look for a badly soldered (oxidated) pin 12. Resolder pin 1 | 14-09-04 |
| Philips | MD2.22E | Set inoperative. Red LED flashing. Err 47 44 48 69 88 | Check and replace if necessary resistor R3609 (4K7; 4822 052 10472) on
the LSP.
| 14-09-04 |
| Philips | MD2.22E | Set switches to stand-by | Change software into the V_3104 317 00890 (4822 900 11058)
REMARKS :
Introduced in production from week 9737 onwards. | 14-09-04 |
| Philips | MD2.22E | Sometimes still picture occurs | Check and replace if necessary IC7400/IC7441
(TDA8753AN; 4822 209 90528) on the feature box.
| 14-09-04 |