| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
|
| Philips | MD2.12E | 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 | MD2.12E | Picture too width, E/W failure. | Check and replace if necessary E/W-Fet T7480 (MTP3055EFI; 4822 130 63726) on the LSP. | 14-09-04 |
| Philips | MD2.12E | 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.
These picture tubes have been replaced by the A68ESF002X143
(4822 131 | 14-09-04 |
| Philips | MD2.12E | Reading error-codes impossible | In case of a short circuit on the power supply, the error-codes cannot be read.
When the series-switch is removed, it is possible to read the error-codes again. | 14-09-04 |
| Philips | MD2.12E | Red LED flashing slow. With other uP/TXT panel set is OK | Check voltage on base of T7217 on the TXT/control panel.
Check zener D6227 (3V3; 4822 130 81139) on the TXT/control panel. | 14-09-04 |
| Philips | MD2.12E | Red LED flashing; Errorcode 47,44,48,69. | Check and replace if necessary resistor R3415 (2k7; 4822 117 12077).
| 14-09-04 |
| Philips | MD2.12E | Red picture with flyback-lines. | Check and replace if necessary IC7350 (TDA6101Q; 4822 209 91143) on the CRT panel. | 14-09-04 |
| Philips | MD2.12E | 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 | MD2.12E | Set can only be operated with Remote Control | Check whether "Child Lock" is disabled. To check this, see "Frequently Asked Questions", "How to disable Child Lock". | 14-09-04 |
| Philips | MD2.12E | Set does not switch to stereo-dual-mono automatically. | Check and replace if necessary sound IC7353 (MSP3410B-PP-F7; 4822 209 13607) | 14-09-04 |
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| Philips | MD2.12E | Set in protection after +/- 1/2 hour. | Check and replace if necessary microprocessor IC7200 (P90CE201AEB; 4822 209 90032) | 14-09-04 |
| Philips | MD2.12E | 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 | MD2.12E | Set switches off. Incorrect options were stored. | Check and replace if necessary D6227 (BZX 3V3; 4822 130 81139).
| 14-09-04 |
| Philips | MD2.12E | Set totally inoperative. Err.44/45/15. Red LED is flashing fast. | Check and replace if necessary IC7352 (TDA9141/N2; 4822 209 90328) on the SSP. | 14-09-04 |
| Philips | MD2.12E | Set totally inoperative; No LEDs front; Supply is hickupping. | Check and replace if necessary:
D6471 (BZX79-C10V; 4822 130 61219) on LSP
T7470 (IRF620; 4822 130 63728) on LSP
T7414 (BC640; 4822 130 41078) on PTP
T7415 (BC639; 4822 130 41053) on PTP | 14-09-04 |
| Philips | MD2.12E | Slow flashing red LED. No + 5S supply. | Check and replace if necessary D6520 (1N5822; 5322 130 32677) on the 5V supply panel. | 14-09-04 |
| Philips | MD2.12E | Sometimes picture too red. No blue. | Check coil L5388 (56uH; 4822 157 63316) on the feature box.
| 14-09-04 |
| Philips | MD2.12E | Sound distortion in the left sound channel on some channels | On the IF module, interrupt the copper track between pin 5 of SAW filter 1102 and the small island beside. | 14-09-04 |
| Philips | MD2.12E | Spikes in white bars. It moves also in freeze mode. | Check IC7450 (SAA4970T; 4822 209 33689) on the feature box for temperature dependancy. If necessary replace. | 14-09-04 |
| Philips | MD2.12E | 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 | MD2.12E | Stereo identification of a mono signal due to noise | Change the set software (pos. 7202 on TXT & control panel) into V_00540 or higher and for -/58 sets into V_00530 or higher.
Codenumbers:
V_00530 4822 900 10857
V_00540 4822 900 10771
REMARKS :Introduced in production in week 9 | 14-09-04 |
| Philips | MD2.12E | Supply hickupping, shortcircuit +141V. No err. | Check and replace if necessary L5430.
LOT 25"/28" FSQ; 4822 140 10588
LOT 25"/29"/28"/32" SF; 4822 140 10559
LOT 24" SF; 4822 140 10589.
Also replace line repair kit MD2 (4822 310 10707). | 14-09-04 |
| Philips | MD2.12E | 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 contr | 14-09-04 |
| Philips | MD2.12E | 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 | MD2.12E | Totally inoperative. No LEDs. Supply defective. | Replace all components of the supply repair kit MD2; 4822 310 10649.
| 14-09-04 |
| Philips | MD2.12E | Totally inoperative; No LEDs; Supply hickupping. Err. 47 | Check the connection of L17 (Hor. deflection coil).
| 14-09-04 |
| Philips | MD2.12E | Totally inoperative; Only green LED on; No activity on Mains_Is_Alive | Check and replace if necessary X-Tal X1600 (6 Mhz; 4822 242 81002) on the Small Signal Panel. | 14-09-04 |
| Philips | MD2.12E | TXT is horizontally shifted | When the TXT decoder SAA5270/..M4 (IC7400) is replaced by SAA5270/..M3, the TXT is slightly shifted.
The codenumber for M4 is:
SAA5270WP/B/M4A is 4822 209 13642.
SAA5270WP/E/M4A is 4822 209 15087.
SAA5270WP/F/M4A is 4822 209 15118.
SAA5270WP/H/M4A | 14-09-04 |
| Philips | MD2.12E | 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 | MD2.12E | Vertical lines bended | Check the connection of the EHT cable inside LOT.
| 14-09-04 |