Hitachi L32A102 Service Manual page 37

SYMPTOM: NO WORK/LED IS RED ABNORMAL
No work / LED is red
Check if RMC
PCB is normal
Yes
Check if voltage of U2,
U25,U29,U49 is normal*
Yes
Replace Main PCB
No
No
* See below diagrams
V
in
+5 V
U2
+5 V
U25
+5 V
U29
+5 V
U49
Replace RMC PCB
Replace U2,U25,U29,U49
V
out
+3.3 V
+3.3 V
+2.6 V
+1.26 V
37