Denon DHT-390XP - Audio Section

16
DHT-390XP
ADJUSTMENT
Audio Section
Idling Current
Required measurement equipment: DC Voltmeter
1. Preparation
(1)Avoiddirectblowfromanairconditioneroranelectricfan,andadjusttheunitatnormalroomtemperature15˚C~
30˚C(59˚F~86˚F).
(2) Presetting
• POWER(Powersourceswitch) OFF
• SPEAKER (Speaker terminal) No load
 (Donotconnectspeaker,dummyresistor,etc.)
2. Adjustment
(1)RemovetopcoverandsetVR213FL,FR,C,SL,SR,onMainAmp.Unitatfullycounterclockwise(
c
)position.
(2)ConnectDCVoltmetertotestpoints(FRONT-Lch:TP201FL,FRONT-Rch:TP201FR,CENTERch:TP201C,
SURROUND-Lch:TP201SL,SURROUND-Rch:TP201SR).
(3)ConnectpowercordtoACLine,andturnpowerswitch"ON".
(4)Presetting.
MASTERVOLUME :"---"counterclockwise(
c
min.)
SPEAKER (Speaker terminal) : No load
 (Donotconnectspeaker,dummyresistor,etc.)
FUNCTION :EXTIN
(5) Within 2 minutes after the power on, turn VR101 clockwise (
x
)toadjusttheTESTPOINTvoltageto
1.5mV
±
0.5mVDC.
(6) After 10 minutes from the preset above, turn VR101 to set the voltage to
2.0mV
±
0.5mVDC.
(7)AdjusttheVariableResistorsofotherchannelsinthesameway.
VR213FR
VR213SL
VR213FL
VR213C
VR213SR
S Lch
F Lch
TP201FL
TP201SL
TP201FR
TP201C TP201SR
C ch
F Rch
S Rch
DC Voltmeter
MAIN UNIT
AMP. UNIT
AVR-390