Panasonic JB-3300 Technical Manual page 350

(+5 V) C +5 V is not output +)
!
¢ Is the +5 V output short-circuited?
y No
No
< Is the DOl normal? Poon Replace the DO1
Yes . .
Correct the short-circuit
(-5 V) - =5 V is not output >
f
Yes .
< Is the -5 V output short-circuited? Correct the short-circuit
No
(-12 V) (2 V is not output
1
Yes
Is the -12 V output short-circuited? Correct the short-circuit
No
No
¢ Is the IC32 normal? ae Replace the IC32 '
Yes
N
< Is the D32 normal? > Replace the D32
No
< Is the IC33 normal? > Replace the 1C33