| Make | Model | Problem | Solution | Date |
| | | |
| Found: 4551
|
| Philips | MD1.2E | Vertical black bars in 14:9 mode | Check soldering of C2403 on 16:9 PCB.
| 14-09-04 |
| Philips | MD1.2E | Vertical lines bended | Check the connection of the EHT cable inside LOT.
| 14-09-04 |
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| Philips | MD1.2E | Width on right side varies in 14/9 mode | Check on 16/9 panel the soldering of C2403.
| 14-09-04 |
| Philips | MD1.2E 25PT4523/25 | Dead Disc ceramic (2540) blown apart, 10R fusible
resistor (3524) o/c and diode (6524) s/c. | 2540 330pF 2Kv disc ceramic (4822 126 11254)
7540 STP4NA60FI FET (4822 130 63787)
3524 10R 0.33W 5% fusible resistor (4822 052 10109)
6524 BYV10-20 diode (4822 130 31631) | 14-09-04 |
| Philips | MD1.2E 28PT4523/25 | Tripping | C2433 1n5 2kv burnt up | 14-09-04 |
| Philips | MD1.2E 28PT6773 | Pic remains in st/by - sound mutes ok | Resistor 3588(LT supply) O/C, capacitor 2561 very low capacitance. Replace 3588(3R3) and 2561(3300mfd). | 14-09-04 |
| Philips | MD1.2E 28PW6332 | Low width & E/W faulty aft repair of dry joints in LOP | Enter service mode and setup E-W and Nicam/Text mode | 14-09-04 |
| Philips | MD1.2E 28PW6332 | No OSD or menus - - pic OK | Scastle pulse ampl low. Measure at R3611 on small sigs panel, should be 4.5v at source & 0.62v at other end of res. If only 2.5v - 3v its too low. Usually caused by Tr7420 leaky in 16:9 module under CRT neck | 14-09-04 |
| Philips | MD1.2E 28PW6332 | no text, no dolby, zoom features not working | reset options. Using dealer R/C press ALIGN and reset relevant options to YES/NO | 14-09-04 |
| Philips | MD1.2E 28PW6332/05 | can't get volume display bars back by using R/C | press MENU on TV untill vol bar displayed, then press ' i ' for 3 sec | 14-09-04 |
| Philips | MD1.2E 28PW6332/05 | E/W concave pic on 4:3 format, Ok on widescreen | adjust for optimum options D1 to D4 for each aspect ratio using service remote RC7150 | 14-09-04 |
| Philips | MD1.2E 28PW6332/05 | int. no red on pic. Text Ok | take out "F" module and resolder pin3 of the socket W54 | 14-09-04 |
| Philips | MD1.2E 28PW6332/05 | line osc int. squegging on super zoom (line tearing) | replace EPROM IC7685 (482220914928) and replace on/off switch | 14-09-04 |
| Philips | MD1.2E 28PW6332/05 | tripping and showing stby light | D6423 BY228 s/c in horiz. Stage | 14-09-04 |
| Philips | MD1.2E 28PW6332C | blank raster with flyback lines | T7366 BC848B on CRT base | 14-09-04 |
| Philips | MD1.2E 28PW6332C | no sound | R1573 (482207152502) o/c near chopper Tx and TDA2616Q (482220932641) s/c on LHS sub-panel | 14-09-04 |
| Philips | MD1.2E 32PW6322C | int. losing sync | T7420 BC848B on 6/9 panel, IC7119 TDA8366 may also be faulty | 14-09-04 |
| Philips | MD1.2E AA | E/W fault & lack of width | E-W driver FET 7480 dry jointed tho looked ok | 14-09-04 |
| Philips | MD1.2E AA | No pic sound ok with burning smell | HT & A1 supply only 2/3 normal - dry joints scan coils plug | 14-09-04 |
| Philips | MD1.2E AA | St/by only - tries to start up | Resistor R3555 160K on the secondary side of the power supply ( voltage set circuit ) has gone high to 220K | 14-09-04 |
| Philips | MD1.2E AA | Various int inc max vol, chans cont change on their own, no sound control, int sw itself on | Check small top mounted pcb for damage when back is fitted | 14-09-04 |
| Philips | MD1.2E AA 28PW63332/05 | Line collapse | Burnt conns on deflection yoke plug/skt | 14-09-04 |
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| Philips | MD1.2E AA 29PW6332/05 | Excess width with poor E/W | Dry joints E/W driver Trfmr 5424 | 14-09-04 |
| Philips | MD1.2EAA 29PT6773/05 | Won't go into st/by | R3588 3R3 ?w o/c in st/by prot cct on large sigs panel - also replace C2561 with 3,300µ 16v | 14-09-04 |
| Philips | MD1chassis | For repairing LOP | Mod kit available from CHS P32261 ?14.95 | 14-09-04 |
| Philips | MD1chassis | For repairing PSU | Mod kit available from CHS P32259 ?16.95 | 14-09-04 |
| Philips | MD2.11E | "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 | MD2.11E | +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 | MD2.11E | After a while vertical and horizontal scrolling picture. | Check and replace if necessary:
IC7505 (software) in the feature box.
Software FBX3-F; 4822 900 10982
Software FBX4-Eco; 4822 900 10745. | 14-09-04 |
| Philips | MD2.11E | 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 |