| Make | Model | Problem | Solution | Date |
| | | |
| Found: 561
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| Mitsubishi | BDS28WS11AK19PRO | Won't come out of st/by when sw to st/by aft operating for more than 5 mins | Sw mode Tr replaced | 14-09-04 |
| Mitsubishi | Black Diamond 11AK19Pro | Dead with D829 UF5407 HT rect s/c | D807 BA159 s/c, chopper Tr s/c 2SK2545 - used 2SK1507 in lieu, R817 2R2 5w o/c | 14-09-04 |
| Mitsubishi | Black Diamond 11AK19Pro | No pic then E/W faulty | C630 dry jointed, when resoldered had E/W fault - Q603 leaky fitted BUK457-600B in lieu also L604 faulty | 14-09-04 |
| Mitsubishi | Black Diamond BDS1451UK 11AK20-S | St/by only | Check 4Mhz Xtal by micro - may be dry jointed | 14-09-04 |
| Mitsubishi | C14M7B Daewoo | Field collapse | Replace IC 301 TDA8356, & replace smoothing cap C309(47uF) with 22uf (ECEA 2A220)160 Volts. Across legs of capacitor fit a 0.1uF (ECQM2A104J),and the link marked R420 replace with 2R2/.5W safety resistor (ERQICI2HCJ2R2). Also check supply rail diode.(Part numbers are Panasonic BTW) | 14-09-04 |
| Mitsubishi | C21M1BM M | POPPING OR MOTORBOATING NOISE FROM SPEAKER IN SBY | CHECK Q951 AND Q952 AND DRIES AROUND R954 R974 & R985 JC 501-Q , Mitsubishi 260P543050 . 2SA950-Y , Mitsubishi 260P255040 | 14-09-04 |
| Mitsubishi | C21M5BT | Int start up at sw on | No line osc - R704 on SCL to micro o/c ( may be marked R703) | 14-09-04 |
| Mitsubishi | C21T7B | Fine hor lines across screen | IC951 TDA8171 FOP chip | 14-09-04 |
| MITSUBISHI | C21T7B | FINE HORIZONTAL LINES ON SCREEN | REPLACE FRAME IC951 IC**TDA8171 | 14-09-04 |
| Mitsubishi | C2557B | No Menu, OSD or able to acess service mode | IC702 EEPROM Mits274P747010 | 14-09-04 |
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| Mitsubishi | C25A4STX Euro 4 | Dead , Line OP transistor SC. | Replace C906 47uF 63v , R901 4R7 10W Q901 , IC901 , D907 , D908 ( both RD3.OFB1 ) and C975 47uF 63V. | 14-09-04 |
| Mitsubishi | C25C7B | Col flashes on screen, col sat varies - int | Dry joint Chroma Xtals X601 & 602 | 14-09-04 |
| Mitsubishi | C25C7B | Dead - Green LED fast flashing - after psu repair | Q901, Q552, D909 s/c, R991 o/c, C914 47µ low cap & Q501 leaky | 14-09-04 |
| Mitsubishi | C25C7B | Field collapse & no sound | Z551 o/c due to D507 s/c & IC551 E/W chip s/c pin 6 | 14-09-04 |
| Mitsubishi | C25C7B | FRAME COLLAPSE AND NO SOUND | REPLACE Z551, D507, AND IC551 | 14-09-04 |
| Mitsubishi | C25C7B | Int no green aft 30 mins | IC660 TEA50101B on crt base | 14-09-04 |
| Mitsubishi | C25C7B | INT NO GREEN LOOKS LIKE CRT | REPLACE IC660 ON CRT BASE | 14-09-04 |
| Mitsubishi | C25C7B | No pic aft 5-10 mins - sound ok | Dry joints Xtal resonator X701 | 14-09-04 |
| Mitsubishi | C25D7B | NO SURROUND SOUND | SELECT SPECIAL MENU,ENSURE "STANDARD TV" IS "OFF" SWITCH OFF FOR 30 SECS | 14-09-04 |
| Mitsubishi | C25D7B | No surround sound - when selecting in menu it shows "OFF" & can't be turned back on | Software bug - select special menu & ensure "Standard TV" is set to "Off", sw off for 30 secs. Sw back on & Surround sound can now be set | 14-09-04 |
| Mitsubishi | C25D7B | Slow start up, no Txt, juddering pic & vol slow | EEPROM faulty Pt no MITS274P747010 & change IC701 Pt no MITS274P755050 | 14-09-04 |
| Mitsubishi | C25M2TX | Field collapse | AN5521 FOP chip & C454 100µ 35v hi esr | 14-09-04 |
| Mitsubishi | C2857B | Dead with st/by light flashing | All PSU sec volts ok - line dr at LOPTr base dist - Q501 faulty (OK tested out of cct) | 14-09-04 |
| Mitsubishi | C28AV18 | No sound aft customer had been trying to "tune" | Reprog EEPROM - sound setting should be either 10 or 2 if 10 is not poss | 14-09-04 |
| Mitsubishi | C28C7B | Int col & blows Q552 LOPTr | Dry joints earth links grounding C607 & pin 30 IC201 Jungle chip | 14-09-04 |
| Mitsubishi | C28C7B | No pic - sound ok | C655 0µ015 2kv leaky | 14-09-04 |
| Mitsubishi | C28C7B | NO SOUND | FAULTY NICAM PCB | 14-09-04 |
| Mitsubishi | C28C7B | No sound | NICAM PCB Pt no 921C216005 | 14-09-04 |
| Mitsubishi | C28C7B | No sound or pic, HT at 145v & Green LED flashing | Q501 JC501R line dr Tr leaky - Pt no MITS260P748030 | 14-09-04 |
| Mitsubishi | C28D7B | No sound | IC3A1 IC3A2 and IC3B1. It is always the middle one that goes s/c and blows Z902 which then removes the 28v supply to these ICs. You can check which one is s/c by unsoldering pin 9 of each ic one at a time and the check for s/c across PLUG DE which is the 28v supply | 14-09-04 |