User's Manual

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Variety of fuses are built in the amplifier. Fuses are consumption item, and may melt to blow,
a
s time passes by even if there is no failure in the circuit.
Fuse Name
and Location
Q’ty
Specs/Rating Problem when blown Possible Cause
AC Fuse
AC Primary
Line
2 250CF6.3x32 250V20A
(Fast attack)
Do not power on Over output
Power supply
failure
PA DC Fuse
PA drain
3 #1197(Low Profile) Fuse,
58V20A
“FAULT FUSE BLOW” Over current
PA Failure
DC Fuse
Control circuit
1 LM3.2 30V3.2A by Daito
Micro Fuse
Do not power on CONT terminal
short
Control circuit
failure
DC Fuse
Auxiliary DC
P.S.
1 LM3.2 30V3.2A Daito
Micro Fuse
No12V output (External
tuner not work)
DC output
terminal short
RF Input Prot.
Fuse RF Input
1 LM1.6 30V1.6A by Daito
Micro Fuse
No RF output from amp Over drive
13-B How to replace Fuses
FUSE
FUSE
ANT A ANT B
INPUT
ALC ADJ ALC
SEND
TUNER
S
ELECT
AC IN
FUSE
FUSE
REMOTE
D
C OUT
1
2V1 A
CONT
S
ERIAL
USB
GND
AC Fuse
13 Maintenance