ma audio hk-4000 ,no sound to subs ?MA AUDIO HK-4000,NO OUTPUT TO SUBS

[WRENCH030380]

MA AUDIO HK-4000,NO OUTPUT TO SUBS
CHECKED
1- SUBS =GOOD
2-ALL FETS (MOSFETS) ARE IN THE MEGA OHMS
EXCEPT THE ONE ON THE LEFT SIDE OF THE BOARD THEY ARE IN 47.6 ? ALL ARE EQUAL THO ON LEFT SIDE, HAVE 4 FETS MSG33R AND MSG33S 2 OF EACH CHARGDED THEM AND THE SWITCH ON RIGHT SIDE OF BOARD =GOOD
3-GOT POWER=GOOD
4-PROTECT LIGHT NOT ON =GOOD
5-NO BURNT SPOTS ON BOARD AT ALL TO OR BOTTOM LEFT OR RIGHT = GOOD
6-NOTHING LOOSE=GOOD
7-NO IN LINE FUSES=GOOD
8-DISPLAY SHOWS 13.8 VOLTS 71 DEGS AND SOUND INPUT BARS MOVING ON DISPLAY=GOOD

ANY INFO PLZ EMAIL ME AT SGTMAJWRENCH@YMAIL.COM

[savu]

2- that mosfet is fried

[WRENCH030380]

what mosfets are bad ? there is bout 45 of them, half read mega ohms 1075 and the other half read 47.6 and 4 of them are the msg33r and msg33s , are they all suppost to read in the mega ohms? ,does anyone have the schematics or diagram on what this amp mosfets are suppost to read on a meter?