Philips Repair Tips
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Results: 14209
Results: 14209
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| PHILIPS |
MD1.2
|
Audio missing except from headphones | Faulty tr7601 sm transistor causing mute cct to operate | ||
| PHILIPS |
MD1.1E 25PT4521/25
|
Dead after burning smell | Mains switch - seem to be a potential fire risk | ||
| PHILIPS |
MD1.1E
|
Wrong colour and geometry. | Adjust geometry and alignment options in the service alignment mode. replace eeprom (ic7685; 24w04c1; 4822 209 90962) if necessary. | ||
| PHILIPS |
MD1.1E
|
White measure line (monitor puls) in bottom part of picture. | Check/replace r3464 by 1Ω (4822 052 11108). | ||
| PHILIPS |
MD1.1E
|
White bars in picture | Add 2k7 resistor to item 5421 (coil). service code number is 4822 117 11433. remarks :above mentioned modification is already implemented in sets with qgxx9546 or higher. | ||
| PHILIPS |
MD1.1E
|
Volume adjustment in only in 4 levels. | Ic7353 (msp3400; 4822 209 90562) (msp3410; 4822 209 90563) | ||
| PHILIPS |
MD1.1E
|
Vertical lines on left side in picture. | Replace r3430/3431 (2k7; 0.33w) by 2k7 0.5w. | ||
| PHILIPS |
MD1.1E
|
Vertical bright stripe in picture. | Check and replace if necessary ic7119 (tda8366; 4822 209 90965). | ||
| PHILIPS |
MD1.1E
|
Vertical amplitude of picture is too high | Change item c2137 on the small signal panel to: 2.2uf (10v) capacitor 5322 126 14103 | ||
| PHILIPS |
MD1.1E
|
Unwanted format change from expand to 4/3 | If the current microprocessor is one of the following versions: mid11w-1.6 ident 3232 mid11w-1.8 mid11w-1.9 ident 3273 replace it by miws11-1.1 ident 3324 (service code number is 4822 900 10853) remarks :implemented in production from we | ||
| PHILIPS |
MD1.1E
|
Unstable picture | Check and replace if necessary ic7556 (cnx82; 4822 130 10025) | ||
| PHILIPS |
MD1.1E
|
Typenumber information | Typenumber information in the md1.1e chassis 2 types of smps transformers (item 5550) are used. these are: service code number description on trafo used with picture tube 4822 146 31469 transf pow 10290250 21" 4822 | ||
| PHILIPS |
MD1.1E
|
Totally inoperative. red led flashing. | Check diode d6572 (byv28-200/20; 4822 130 80791). | ||
| PHILIPS |
MD1.1E
|
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 contro | ||
| PHILIPS |
MD1.1E
|
Text "eliud" in menu, instead of "geluid". (dutch menu) | Microprocessor ic 7600 toshiba 3199 mid 3.8 replaced by version 3.9 (4822 209 12781) | ||
| PHILIPS |
MD1.1E
|
Survey crt panels and line output transformers | Survey crt panels and line output transformers version: crt panel code number lot (5430) code number 21" black matrix 4822 212 32054 4822 140 10526 24" 16/9 4822 212 3 | ||
| PHILIPS |
MD1.1E
|
Supply goes in protection during start-up | Change item c2137 on the small signal panel to: 2.2uf (10v) capacitor 5322 126 14103 | ||
| PHILIPS |
MD1.1E
|
Stripes in picture when receiving ch 35 or higher. | Check zenerdiode d6003 (bzx79- c33; 4822 130 34142) | ||
| PHILIPS |
MD1.1E
|
Strange greek characters on the screen | Replace microprocessor ic7600 by software version 38 replacement overview of microprocessors in md1.1: mid11-we(3161)-->replaced by mid11-38(version:3199) 4822 209 90957 mid12-we(3162)-->replaced by mid12-38(version:3202) 4822 209 90958 mid13-we(3163) | ||
| PHILIPS |
MD1.1E
|
Stand-by not possible and/or 5v stabiliser defective. | Resistor r3588 defective because of too high switch-off current. codenumber r3588 (3r3, 0.5w; wrong in the service manual) is 4822 052 11338. change c2561 (4700 uf) into 3300 uf/16v : 4822 124 40784. (if the +5v has been too high, also up and memory-ic |