| Make | Model | Problem | Solution | Date |
| | | |
| Found: 31
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| Matsui | 25M1 Sanyo EB2 | No memory | eeprom IC. ST24C02B (IC790) To initialise new chip, press and hold function button on tv, while pressing recall on remote handset. this gives message on screen Item-1 Set-0 Confirm Set number of all items is "0" by pressing the function button. If it is not "0" change to "0" by the level(+/-) button. (Changing the set number, automatically memorised.) Press the Recall buton to return to the normal TV mode. Then tune in and store channels as usual | 14-09-04 |
| Matsui | 28M1 MkII Sanyo EB4-A28 | No start up | R620 o/c D614 s/c & changed R624 & Chopper tr
all I get is the standby light flashing with no attempt to start. Micro replaced & ok now | 14-09-04 |
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| Sanyo | 25XP1 = EB4-A25 | Tuning problems | Cracks in tuner earths | 14-09-04 |
| Sanyo | 28DN5 EB6 | Dead | Chopper Tr 2SC4429 s/c - no other FF but suggest change opto & Ref zeners D615/D645 | 14-09-04 |
| Sanyo | 32WN5B EB6A | Reverts to st/by after briefly coming on at sw on during which HT ok at 145v | Pin 19 IC801 prot I/p low (should be hi); 9v supply from IC642 low due to its I/p low 7v - Dry joint C640 | 14-09-04 |
| Sanyo | C21EF25NB EB2A | Trips several times at sw on - int | Black jumper wire in front of chopper tfmr dry joint | 14-09-04 |
| Sanyo | C25EG25ND EB2A | Loud hum when heated & low gain | dry joint on a black insulated wire link that runs from the secondary side of the chopper transformer to one of the regulator chips in the centre of the PCB; check tuner earths for low gain | 14-09-04 |
| Sanyo | C28E55NB EB4-A28 | Sound dist - comes thro' in dist bursts (normal & surround sound modes) | IC653 5v reg supply to nicam ic | 14-09-04 |
| Sanyo | CB4959 EB2A | Tripping - even on dummy load | Black jumper wire between earth side chopper Tx & IC351 dry jointed | 14-09-04 |
| Sanyo | CB5949 EB2 | Int white flashes across screen removing vid signal | 27Mhz Xtal on Txt pcb | 14-09-04 |
| Sanyo | CB5959 EB2A25 | Int startup with motorboating from spkrs then no sound/vol OSD | TDA7263M audio o/p IC | 14-09-04 |
| Sanyo | CBP2580 EB1 | AFTER 2-3 Hrs COLOUR GOES AND PICTURE SHIFTS TO R | XTAL X403 DRIFTING Pt No 610 217 1037 | 14-09-04 |
| Sanyo | CBP2580 EB1 | Colour lost & pic shifted to right when heated | Xtal X403 pt no 610 217 1037 | 14-09-04 |
| Sanyo | CBP2580 EB1 | Shuts down int - runs ok in service mode if IM bus run is stopped | Fault somewhere on the IM bus - NVM3060 EEPROM on digiboard cured fault | 14-09-04 |
| Sanyo | CBP2580 EB1 | To enter service mode | Menu on set's control panel, followed by menu on R/C handset | 14-09-04 |
| Sanyo | CBP2580 EB125 | This set would shut down interrnittently: the peri | The set could be made to run indefinitely by entering the service mode ( menu on the set's control panel , followed by menu on | 14-09-04 |
| Sanyo | CBP2580A EB2 series | Tripping - even with psu on dummy load | black jumper wire which runs from the earth side of the chopper transformer to a point very close to IC351 a regulator IC, was dry jointed at the chopper transformer end. | 14-09-04 |
| Sanyo | CE25BN2 EB4-A25 | No pic - HT only 125v (150v) - sound present | Diss any of secondary supplies corrects HT. When Q611 and Q612 and D617 in psu pri removed for testing & replaced cures fault! | 14-09-04 |
| Sanyo | CE25DN5 (EB6a Chassis) | To enter option mode | hold the F/OK button on the r/c and press the P -(down) on the tv. Highlight the desired option using the P +/_ button. Vol +/- to change option selected. To exit press the recall button. | 14-09-04 |
| Sanyo | CE28WN4 EB6A | Excess width & no E/W after LOPTx replacement | D469, C463 (10nF 50V) and Q462 (used a 2SD1207),C465 (33nF 50V) and D463 both s/c | 14-09-04 |
| Sanyo | CE28WN5 EB6-A | Sound int | check dry joints IC801 main micro sm | 14-09-04 |
| Sanyo | CE32WN4 EB6-A | Dead apart from orange LED lit | R621 120k in psu pri o/c | 14-09-04 |
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| Sanyo | EB1 | St/by only aft brief EHT rustle | No 5 or 12v supplies due to st/by command pin 7 µ; when dis'd pic came up with field coll. Replacing fop chip no diff - DPU2553 chip u/s | 14-09-04 |
| Sanyo | EB1 | st/by only after brief EHT crackle | 5 & 12v regs being turned off by pin 7 of µ. When lifted line stage works with field coll. No frame pulses from DPU2553 µprocessor - chip u/s | 14-09-04 |
| Sanyo | EB2 CB5959 | stuck in stby | C442 s/c | 14-09-04 |
| Sanyo | EB2A CB5949 | Int trips at sw on - other times ok | Dry joint black jumper wire from chopper trfmr to IC351 vicinity | 14-09-04 |
| Sanyo | EB4 | Dead - no HT | check R620/R621 both 120k | 14-09-04 |
| Sanyo | EB4-A25 | Pic flashes & Txt appears on its own aft 20 mins | SAA5296ZP micro - CHS ?31 with suffix 036 not 025 | 14-09-04 |
| Sanyo | EB6 A28 | Service mode entering | press green txt on R/C + hold chan- button on front of tv then in normal mode press prog- button on R/C until field coll. Th n adjust with 1=+,2=- keys red; 4+=.5+- key green;7=+.8+- key blue | 14-09-04 |
| Sanyo | EB6-A28 CE28WN4-B-01 | Service mode access | Push green fastext key while pushing prog down key on front of set. To adjust geometry make sure pic size is set to "Full" before starting, select "Wide" under options & select parameter using prog + & - adj with vol + & - and switch off to store. Mod kit available from SEME for this fault | 14-09-04 |