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Electronic appliance repair tips database - TV (LCD,TFT,Plasma,Digital), Monitor, VCR, DVD recorder and player, Digital camera, Audio equipment, Microwave ovens, Phone systems, Computer repair
Make
Model
Problem
Solution
Date
Found: 9
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
Sanyo
C21EF25NB
EB2
A
Trips several times at sw on - int
Black jumper wire in front of chopper tfmr dry joint
14-09-04
Sanyo
C25EG25ND
EB2
A
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
CB4959
EB2
A
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
EB2
A25
Int startup with motorboating from spkrs then no sound/vol OSD
TDA7263M audio o/p IC
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
EB2
CB5959
stuck in stby
C442 s/c
14-09-04
Sanyo
EB2
A CB5949
Int trips at sw on - other times ok
Dry joint black jumper wire from chopper trfmr to IC351 vicinity
14-09-04
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