| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
|
| Philips | MD1.1A | Component change | Component change
Item 7480 on the large signal panel has changed from:
OLD 4822 130 63726 MTP3055EFI to: NEW 4822 130 11336 STP16NE06FP
REMARKS :This change is implemented in production from week 9839 onwards. | 14-09-04 |
| Philips | MD1.1A | CORRECTION ON PRODUCT SURVEY STYLING 157 (MD1.1A) | CORRECTION ON PRODUCT SURVEY STYLING 157 (MD1.1A)
The mentioned service codes for items 13 and 15 are NOT correct.
Item 13 and 15 are supplied as ONE assembly.
The order code of this assembly is:
Item Service code Description
13/ | 14-09-04 |
| Philips | MD1.1A | Correction to styling 217 of Product Survey 1999-3 (3122 785 10300) | The code number of position 12 of styling 217 is not correct.
The correct codenumber for position 12 is 4822 240 10346. | 14-09-04 |
| Philips | MD1.1A | Cracking sound on some channels | Replace item 2404 on the Audio Module by a 3.3nF 5% 50V capacitor
(order code: 5322 122 33446)
REMARKS :This modification is implemented in production from week 9727 onwards. | 14-09-04 |
| Philips | MD1.1A | ERROR IN SERVICE MANUAL MD1.1A (4822 727 21523) | ERROR IN SERVICE MANUAL MD1.1A (4822 727 21523)
Table 8.9 on page 47 of the service manual contains errors. A number of sets is fitted with a Toshiba Lavender Mask CRT.
The 3rd option code for these sets is stated incorrectly in the Service Manual.
| 14-09-04 |
| Philips | MD1.1A | How to enable/disable "Child Lock" | Select "FEATURES" (this expression is language dependent) menu on Remote Control.
Within "FEATURES", the "CHILD LOCK" can be enabled or disabled. | 14-09-04 |
| Philips | MD1.1A | Humming sound in power supply | Check and replace if necessary item C2506 on the Large Signal Panel with a 470nF capacitor (code number = 4822 121 42074).
REMARKS :This modification is implemented in production from week 9739 onwards. | 14-09-04 |
| Philips | MD1.1A | LED blinks green & red every 7 seconds | Change R3511 (on the Large Signal Panel) to 4K7 ohm (5%; 0,5W).
Order code is 4822 116 52283. | 14-09-04 |
| Philips | MD1.1A | MODIFICATIONS IN THE SPARE PARTS LIST | MODIFICATIONS IN THE SPARE PARTS LIST
The following components are changed in the MD1.1A spare parts list:
Item New component Service code Location
2404 3.3 nF 5% 50V 5322 122 33446 Audio panel
2506 330 nF 10% | 14-09-04 |
| Philips | MD1.1A | No raster | Check and replace if necessary:
Item Description (New) Order number
2137 220nF 25V 20% 4822 126 13061
on the small signal panel.
REMARKS :IRIS symptom code: 1316 | 14-09-04 |
|
|
| Philips | MD1.1A | No synchronisation on AV (input) signal | Check and replace if necessary:
Item Description (New) Order number
2115 220nF 25V 20% 4822 126 13061
on the small signal panel.
REMARKS :IRIS symptom code: F361 | 14-09-04 |
| Philips | MD1.1A | No synchronisation with OFF-AIR (arial) picture | Check and replace if necessary:
Item Description (New) Order number
2122 220nF 25V 20% 4822 126 13061
on the small signal panel.
REMARKS :IRIS symptom code: F361 | 14-09-04 |
| Philips | MD1.1A 29PT886A/79R | Dead with burning smell | Cap 2428 330nF 250v conn arcing | 14-09-04 |
| Philips | MD1.1E | After +/- 15 minutes distortion at high volume. | Check/replace IC7353 (MSP3400; 4822 209 90562).
| 14-09-04 |
| Philips | MD1.1E | 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 |
| Philips | MD1.1E | Bad start behaviour, ON and ST.BY LED flashing | Change mains input voltage by a variac. When start problem increases with an input voltage that is only about 10% below normal, check or replace the supply optocoupler. With a good optocoupler an avarage set easily starts on 60% of normal mains voltage. | 14-09-04 |
| Philips | MD1.1E | Bad synchronisation in Teletext MIX mode | Add 22pF capacitors at positions 2681 and 2682 on the SSP.
The service code number is 5322 122 32658. | 14-09-04 |
| Philips | MD1.1E | Blinking LED (set in protection) | Set in I2C software protection due to problems with the I2C communication.
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 | MD1.1E | Blue picture with flyback lines. | Short circuit between cathode blue and VG1.
Replace picture tube A66EAK252X11. | 14-09-04 |
| Philips | MD1.1E | Blue picture with flyback lines. | Check and replace if necessary T7302 (BF423; 4822 130 41646) on the CRT panel. | 14-09-04 |
| Philips | MD1.1E | Codenumber information | Codenumber information
In service manual MD1.1-E the following code numbers are missing:
pos number 7119 4822 209 90965 TDA8366 on small signal panel
pos number 7353 4822 209 90563 MSP3410 on audio panel (NICAM)
pos number 7353 4822 209 90562 M | 14-09-04 |
| Philips | MD1.1E | Col reversal - int | IC7113 Secam chip int - removed as not used for PAL | 14-09-04 |
| Philips | MD1.1E | Colour missing with playback of Secam tape | Check and replace if necessary item 7113 (TDA8395/N2) on the SSP by TDA8395/N3
(4822 209 16032).
REMARKS :This is a service solution that is not introduced in production. | 14-09-04 |
| Philips | MD1.1E | Coloured lines in picture | Check and replace if necessary item D6111 (BZX79-F5V1; 4822 130 34233)
| 14-09-04 |
| Philips | MD1.1E | Coloured stips on screen | Remount EHT cable in EHT transformer
| 14-09-04 |
| Philips | MD1.1E | Cracking sound in left speaker when OSD is on | Check and remount flatcable S41-H41 (SSP to control panel).
| 14-09-04 |
| Philips | MD1.1E | Crackling sound | Check and replace if necessary IC7353 (MSP 3410; 4822 209 90563)
| 14-09-04 |
| Philips | MD1.1E | Cracks in Nicam sound | Check and replace if necessary item R3002 by a 180 Ohm 1% 0.1W resistor (4822 117 11448). R3002 is located on the Nicam L panel.
For MD1.1E AA sets (not applicable for MD1.2E AA and MD1.1E AB) a micro controller that solves the "random change of volume" | 14-09-04 |
| Philips | MD1.1E | CURTAIN EFFECT in 21" (Thin vertical white lines at left of picture) | Check and replace if necessary items R3430 and R3431 on the Large Signal Panel.
Item Description Service code number
3430 Resistor Fuse NFR25H 2K7 5% 4822 052 11272
3431 Resistor Fuse NFR25H 2K7 5% 4822 0 | 14-09-04 |
| Philips | MD1.1E | Dark parts of picture are blue. | Check and replace if necessary T7300 (BF869; 4822 130 41773) on CRT-panel. | 14-09-04 |