| Make | Model | Problem | Solution | Date |
| | | |
| Found: 561
|
| Mitsubishi | EE3 | Lock up & memory problems | Replace C955, C702 & R3D68 also change value of R702, R213 & R214 to 1k ?w | 14-09-04 |
| Mitsubishi | EE3 | long time to come on | C955 2200µ for 11.5v supply | 14-09-04 |
| Mitsubishi | EE3 | Low contrast, smeary, f back lines | R686 on crt base (1k8) | 14-09-04 |
| Mitsubishi | EE3 CT25AV1BDS | Herringbone pattern, flashing lines etc with no pic for 5 minutes. Picture then slowly appears | C956 470uF 6.3V | 14-09-04 |
| Mitsubishi | EE3W | Service mode access | Press MENU, 2, 3, 5, 7 to access service mode, then press * (star key). Use 2 & 8 to navigate up and down the options, 4 & 6 to alter values. Press 0 (zero) to memorise new value & the info turns red to denote "saved". Finally go to standby to exit menu. | 14-09-04 |
| Mitsubishi | EE4 | Dead or int dead - brief flash of green led at sw on | Dry joints opto isol PC951 | 14-09-04 |
| Mitsubishi | EE4 | Service mode accessing | press the service switch (s701, next to the aerial socket) and then button 9 within 5 seconds Press the * button to toggle between the VCJ or OPTION adjustment display.
Press buttons 2 or 8 to increase or decrease the adjustment code number. Press buttons 6 or 4 to increase or decrease data value. After the adjustments, press 0 to write the adjustment data to the EEPROM.To cancel a change, press button 1 and all data adjusted since the last EEPROM write will be reset.TUN 0
Option settings for CT25AV1BS = SAT 1, AUD 10, ATS 1, STD 1, SYS 1, AV1 2, EEX -, SPK 1, EEP -, ABG 02, A1 02, AL 00, ADK 15, MNP 70, TXT -, FFT 1, VOL 74, HYP 1, SCP 20, FMP 23 | 14-09-04 |
| Mitsubishi | EE4 | Trips once at sw on - ok on dummy load | TEA5101B RGB o/p chip IC660 s/c | 14-09-04 |
| Mitsubishi | EE4 (M5 models) | To enter service mode | Press & release S701 next to aerial socket, then press "9" on hset within 5 secs. Buttons 2 & 8 select adj code, buttons 4 & 6 adj data value. Button 1 cancels written data, button 0 stores data into EEPROM see article TV Jan 99 for more details | 14-09-04 |
| Mitsubishi | EE4 CT21M5BT | Reverts to st/by aft 15mins with a sqeal | HT was too high at 137V, due to R954 (120K in this set) going high | 14-09-04 |
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| Mitsubishi | EE4 CT25M5BT | Chopper Tr blows aft few days | Replace Q901 (chopper), R901 (4R7 10W), D909 (3V Zener) and change 220R resistor on the print side of the CRT PCB to 1K2 1/2 watt. | 14-09-04 |
| Mitsubishi | EE4 CT25M5BT | Dead - blows chopper tr s/c | mod, i.e. change the 220R res on print side of CRT base to 1K2 1/2watt,this apparantly prevents a surge from blowing the chopper at switch off | 14-09-04 |
| Mitsubishi | Euro 1 | Diagonal pattern of dots across screen | R914 100R in psu snubber cct o/c | 14-09-04 |
| Mitsubishi | Euro 10 | Black lines , poor sync, no txt (until warm) | C959, 962 100µ | 14-09-04 |
| Mitsubishi | Euro 10 | Dead | C905 470µ 25v | 14-09-04 |
| Mitsubishi | Euro 10 | Dead - Q901 chopper tr blows at sw on | D909 3v zener s/c was the cause; also replaced R901 4R7 5w, IC901 TEA2164 | 14-09-04 |
| Mitsubishi | Euro 10 | dead psu runs | several electrolytics in psu leak electrolyte onto plug PB causing o/cs | 14-09-04 |
| Mitsubishi | Euro 10 | Field jitter - int | Dry joint R461 | 14-09-04 |
| Mitsubishi | Euro 10 | Field lin faulty when cold | Glue around pins of IC501 | 14-09-04 |
| Mitsubishi | Euro 10 | HT low | Q953 JC501Q error amp | 14-09-04 |
| Mitsubishi | Euro 10 | int dead (could be ok for days) | Same on dummy load proving psu fault. Opto coupler driver tr Q953 was to blame. BC547 suitable replacement | 14-09-04 |
| Mitsubishi | Euro 10 | Int dead esp from cold | C905 220µ, C906 47µ C912 4µ7 in psu | 14-09-04 |
| Mitsubishi | Euro 10 | Int loss of sound & pic | Check vid I/p & o/p at AV sw chip IC2A2 M5132P - if no o/p either off air or scart this chip is sus; if o/p with scart but not off air sus Q2A2. If no pic but sound ok check Q104 | 14-09-04 |
| Mitsubishi | Euro 10 | Int sw on from cold | C905 470µ 25v in start up cct | 14-09-04 |
| Mitsubishi | Euro 10 | Loses analogue memory when sw off | The -30v to IC702 memory chip low due to C962 100µ 50v | 14-09-04 |
| Mitsubishi | Euro 10 | Loud whistle from psu - set operates ok otherwise | Q902 | 14-09-04 |
| Mitsubishi | Euro 10 | No pic - OSG & sound ok | No 5v reg supply to VIP & CCT chips as Z951 630mA cct prot o/c | 14-09-04 |
| Mitsubishi | Euro 10 | No sound | Q952 2SA950-Y leaky | 14-09-04 |
| Mitsubishi | Euro 10 | No sound | No lt supply to audio chip - Q952 2SA950 o/c; BC640 used in lieu | 14-09-04 |
| Mitsubishi | Euro 10 | No sound | Z952 cct prot SOC2000 in psu o/c. When replaced sound ok thro' SCART but none at RF - no sound o/p from IF chip IC101 due to L301 det coil | 14-09-04 |