3. EMERGENCY TROUBLE SHOOT
3-1. General Function
YesOutput connectorYesPut exactly output
No sound fromis missingconnector in.
speakers
A
No
Change output
Output connectorYes
connector to
is inferior goods
superior goods
No
Power IC, OutputChange Power IC,
Yes
Socket is inferiorOutput Socket to
superior goods
goods
YesBalance of frontYesRe-adjust BalanceRef.Balance = Center
Different eachand rear is in oneFront:00 / Rear:00
of front, rear
side
channel have
output levelNo
(Front, Rear,
Left, Right)Ref.Balance = Center
Balance of Left,Re-adjust Balance
Yes
Right is in oneLeft:00 / Right:00
of Left, Right
side.
Treble or BassRef.Balance = Center
Balance of TrebleYesRe-adjust Balance
Yes
is lowor Bass is in oneTreble:00 / Bass:00
of Treble or Bass
unusuallyside.
YesPower is notYes
Ref. Point
suppliedA
No
L.C.D or L.E.D
Change RegulatorRef.Regulator IC output
Output voltage ofYes
is not turned
IC and checkVoltage = V
power IC is little.
off.output voltage.
No
Change LCD orRef.Electrical Parts List
LCD or LED isYes
LED to superiorL.C.D., L.E.D.
inferior goods.
goods.
5 |
ACEC
