| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
|
| Philips | MD2.21E | Greek characters in Teletext. | Change software into the following version:
Non EPG sets: V_3104 317 00860; 4822 900 11102
EPG sets : V_3104 317 00890; 4822 900 11058
-/58 sets : V_3104 317 00870; 4822 900 11066
REMARKS :
Introduced in production from week 9737 onwards. | 14-09-04 |
| Philips | MD2.21E | Horizontal (colour or black/white) stripes | Check the connector (O55) of the combfilter.
Resolder on the small signal panel but also at the comb-filter PCB.
| 14-09-04 |
| Philips | MD2.21E | Horizontal lines in picture | Check pins of connector J13 on the DDP. Look for badly soldered
(oxidated) pins. Resolder pins if required.
REMARKS :
Improved connectors introduced in production from week 9742 onwards.
| 14-09-04 |
| Philips | MD2.21E | Horizontal stripes in picture on high volume or ticking against set | Check pins on 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 | MD2.21E | How to access "Customer Service Mode" | Press "mute" (on Remote Control) and "menu" on the TV-set at the same
time for 4 seconds.
On screen a survey will be given with the status of the various
settings of the current transmittor.
| 14-09-04 |
| Philips | MD2.21E | How to enable/disable "Child Lock" | Press "MENU" button on Remote Control. When the menu appears on the screen, you select "FEATURES" (this expression is language dependent) Within "FEATURES", the "CHILD LOCK" can be enabled or disabled. | 14-09-04 |
| Philips | MD2.21E | Influence from wireless dolby on channel 3 | Cause:
The wireless dolby transmitter influences the 55.25 MHz on channel 3.
The local oscillator from the tuner interferes with the wireless dolby
transmitter frequency and this results in a cross pattern on channel 3
(55.25 MHz).
Solution:
- Add on pos | 14-09-04 |
| Philips | MD2.21E | Interference from VCR visible in picture | - Respect the distance of 20cm as mentioned in the DFU of the VCR.
- Use a special antenna cable: 4822 321 61224 or 4822 320 11091 for PA
4822 321 61226 for SECAM
REMARKS :
IRIS symptom code 134X | 14-09-04 |
| Philips | MD2.21E | Intermittent no audio | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | Picture distortions on canal+ and FR2 | Change resistor R3141 on the IF module into 180 ohm (4822 117 11448). | 14-09-04 |
| Philips | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 |