| Electronics > Repair |
| Yamaha RX-V473 repair. PS3 PRT: 094L [SOLVED] |
| << < (6/6) |
| Comp_Sci_hater:
You're right, i measured the voltages on the IC25 and they are as follows: PIN NR PIN EXPECTED MEASURED 4 VDD 5.5V 5.57V 3 VOUT 3.3V 5.44V 2 GND 0V 0V 1 CE/CE 5.5V 5.57V Is the ic gone? there is no input apart from 5.5V so something internally must be messed up i assume. |
| David_AVD:
With the unit unplugged from the wall, measure from pin 3 to 4 of IC25 on the Ohms range of your meter. |
| Comp_Sci_hater:
It jumps all over the place, it once reached 6M ohms and then started going down for some reason |
| Comp_Sci_hater:
Okay, im looking for a new regulator, i can get the original one but at an astronomical price. And im thinking that i dont really need a low dropout voltage one, because im supplying it with 5.5V anyway. Does anybody have a reccomendation for any good 3.3V regulators? Would a L1117-33 work well in this case? |
| Comp_Sci_hater:
UPDATE: I replaced the 3.3V regulator and the amplifier works perfectly! 8) 8) 8) |
| Navigation |
| Message Index |
| Previous page |