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Denon AVR-1906 Service Manual

Denon AVR-1906
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79
AVR-1906 / AVR-786 / AVC-1620
NOTE FOR SCHEMATIC DIAGRAM
WARNING:
Parts marked with this symbol ! have critical characteristics.
Use ONLY replacement parts recommended by the manufactur-
er.
CAUTION:
Before returning the unit to the customer, make sure you make
either (1) a leakage current check or (2) a line to chassis resis-
tance check. If the leakage current exceeds 0.5 milliamps, or if
the resistance from chassis to either side of the power cord is
less than 460 kohms, the unit is defective.
WARNING:
DO NOT return the unit to the customer until the problem is lo-
cated and corrected.
NOTICE:
ALL RESISTANCE VALUES IN OHM. k=1,000 OHM
M=1,000,000 OHM
ALL CAPACITANCE VALUES IN MICRO FARAD.
P=MICRO-MICRO FARAD
EACH VOLTAGE AND CURRENT ARE MEASURED AT
NO SIGNAL INPUT CONDITION.
CIRCUIT AND PARTS ARE SUBJECT TO CHANGE
WITHOUT PRIOR NOTICE.
配線図について
!印の部品は安全を維持するために重要な部品です。
従って交換時は必ず指定の部品を使用してください。
注)
(1) 指定なき抵抗値は Ω、k kΩ、M を示す。
(2) 指定なきコンデンサーの値は
µF、p pF を示す。
(3) 各部の電圧は無信号の値を示す。
(4) この配線図は基本配線図です。改良等のため変更する
ことがありますのでご了承ください。


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Denon AVR-1906 Specifications

Power Amplifier Section IconPower Amplifier Section
front power output (8 ohms)85 W + 85 W
front power output (6 ohms)120 W + 120 W
center power output (8 ohms)85 W
center power output (6 ohms)120 W
surround power output (8 ohms)85 W + 85 W
surround power output (6 ohms)120 W + 120 W
surround back power output (8 ohms)85 W + 85 W
surround back power output (6 ohms)120 W + 120 W
Preamplifier Section IconPreamplifier Section
input sensitivity/impedance200 mV/47 kohms
output level/load impedanceSUBWOOFER 1.2 V/10 kohms
frequency response10 Hz - 100 kHz (+1, -3 dB)
signal-to-noise ratio98 dB (IHF-A weighted)
tone control treble±12 dB at 10 kHz
tone control bass±12 dB at 100 Hz
FM Section IconFM Section
tuning frequency range (FM)87.5 - 107.9 MHz
usable sensitivity (FM)1.0 µV (11.2 dBf)
AM Section IconAM Section
tuning frequency range (AM)520 - 1710 kHz
usable sensitivity (AM)18 µV
General IconGeneral
power supplyAC 120 V, 60 Hz
power consumption5.1 A
dimensions434 (W) x 147 (H) x 417 (D) mm
weight11.7 kg

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