| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
|
| Philips | MD2.21E | 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 | MD2.21E | Set can go into protection by switching on. | Change capacitor C2524 (parallel to C2525) into 10uF (4822 124 41579).
| 14-09-04 |
| Philips | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | 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 | MD2.21E | Sometimes still picture occurs | Check and replace if necessary IC7400/IC7441
(TDA8753AN; 4822 209 90528) on the feature box.
| 14-09-04 |
| Philips | MD2.21E | Stand-by LED flashing after start up | Errors 47, and possible 69 are indicated.
Solution: on LSP probably HFB signal not present caused of defective
R3609, 4k7, 4822 052 10472. | 14-09-04 |
| Philips | MD2.21E | Subpages not stored/updated in menubar | Check whether jumper 4400 is present on TXT-control panel.
If not present, mount jumper.
The location is between X-tal 1201 and TXT IC7400.
Codenumber jumper: 4822 051 20008.
| 14-09-04 |
| Philips | MD2.21E | Switching off and on of the wireless surround speakers | Check and replace the following components on the power supply +
amplifier panel in the active surround speaker if necessary:
- position 2280 into 220uF (4822 124 40196)
- position 3280 into 330k (4822 116 52272)
REMARKS :
IRIS symptom code 6544 | 14-09-04 |
| Philips | MD2.21E | The bottom left side of picture shows a green teletext symbol | The bottom left side of picture shows a green teletext symbol whether or not the teletext is switched on.
Subtitling is selected, but the subtitling page is not stored.
Switch off the subtitle function by pressing the subtitle knob on the remote cont | 14-09-04 |
|
|
| Philips | MD2.21E | The colours are switching during playback of mounted video tapes | The colours are switching during playback of mounted video tapes on
several camcorders.
In case a TDA9143 is present on position 7352 on the SSP:
- change position 7352 into a TDA9141 (4822 209 90328)
- remove position R3377 and R3378 (20M) from the SSP
| 14-09-04 |
| Philips | MD2.21E | The time from TXT is not read or with mistakes | 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 :
IRIS symptom code 1286
| 14-09-04 |
| Philips | MD2.21E | Totally dead | If the mains fuse (2 amp; 1501 on the mainsfilter panel) is defective,
replace it by a 6.3 Ampere hard break (4822 253 30467)
| 14-09-04 |
| Philips | MD2.21E | Totally inoperative, red LED slowly flashing; +5V is 2,2V | Check/replace diode D6520 (1N5822; 5322 130 32677) on the +5V panel.
| 14-09-04 |
| Philips | MD2.21E | Two vertical grey bars in picture | Bent flatcables S10/L10 and S15/L15 away from TDA9143 (pos. 7352 on
the SSP)
| 14-09-04 |
| Philips | MD2.21E | Unstable moving, "waving" picture | Check on +5 V panel the soldering of C2530. Also check and resolder pin 1,2,3, and 10,11,12 of connector V50 on the LSP. | 14-09-04 |
| Philips | MD2.21E | Vertical shift and amplitude not stable (jumps). | 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 | Vertical stripes in picture | On the right side a 2.5 cm width dark band and on the left side a
vertical stripe can be seen.
Check if the wires S11-L11 and S10-L10 do not touch C2368 on the SSP.
If they touch C2368 bend them away from C2368. | 14-09-04 |
| Philips | MD2.21E | Wrong TXT characters on subtitles | Replace position 7202 on the TXT & control module by:
4822 900 11102 Software for non EPG sets
4822 900 11066 Software for -/58 sets
4822 900 11058 Software for EPG sets
REMARKS :
IRIS symptom code 1286
| 14-09-04 |
| Philips | MD2.22 | N-S distortion | if no N-S board fitted, then fit this board (482221211564 (30 pounds+VAT)) and remove links 9431, 9442, 9443, 9621 | 14-09-04 |
| Philips | MD2.22 | dead - mains switch faulty | replace switch with improved type (coloured black). Use old part no, Philips will supply a new type | 14-09-04 |
| Philips | MD2.22AA | Dead - LED goes green for 15 secs then turns constant red | Micro 7200 faulty - not a job to get involved with if at all possible! | 14-09-04 |
| Philips | MD2.22AA | lines on pic | syscon/txt module connections to main pcb dry jointed | 14-09-04 |
| Philips | MD2.22E | "Digital scan" does not appear in the picture menu | In the direction for use is mentioned that in the picture menu the function 'Digital Scan' can be switched off.
However during the picture modes; Super Zoom, 14/9, 16/9, subtitles an automatic the function 'Digital Scan' does not appear in the picture me | 14-09-04 |
| Philips | MD2.22E | +5 V stand-by defective (also fuse 1580 defect) | First check the +5 V supply panel before replacing the fuse.
When the +5 V panel is defective, it could be that the +5 V becomes too high, which will damage the circuitry. | 14-09-04 |
| Philips | MD2.22E | ACI table filling stops when National Geographic Channel is found | Replace position 7202 on the TXT & control module by:
4822 900 11102 Software for non EPG sets
4822 900 11066 Software for -/58 sets
4822 900 11058 Softwrae for EPG sets
REMARKS :
IRIS symptom code 1262
| 14-09-04 |
| Philips | MD2.22E | Alternating noise in wireless surround speakers | Alternating noise when (moving) objects are between the TV set and the
wireless surround box can be solved by deleting R3153 (1k5) of module
1403 of the transmitter panel in the TV set.
The components on module 1403 are not indicated but pointing the modu | 14-09-04 |
| Philips | MD2.22E | Audio supply repair kit MD2.2 | Audio supply repair kit MD2.2
-----------------------------
For service now there is an audio supply repair kit available.
This repair kit can be ordered with codenumber 4822 310 11086. | 14-09-04 |
| Philips | MD2.22E | Background noise audible in the wireless surround speakers | Change on the receiver module in the active surroud loudspeaker the
following components:
- delete position 3731
- add position 3729 (4k7; 4822 051 20472)
- change position 3730 into 4k7 (4822 051 20472)
REMARKS :
IRIS symptom code 1542 | 14-09-04 |
| Philips | MD2.22E | 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 | 14-09-04 |