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For U.S.A. & Canada model
Ver. 1
SERVICE MANUAL
MODEL AVR-3806
AV SURROUND RECEIVER
For purposes of improvement, specifications and
design are subject to change without notice.
Please use this service manual with referring to the
operating instructions without fail.
Some illustrations using in this service manual are
slightly different from the actual set.
TOKYO ,JAPAN
Denon Brand Company, D&M Holdings Inc.
X0253 V.01 DE/CDM 0508
AVR-3806 / AVC-3920
SAFETY PRECAUTIONS
The following check should be performed for the continued protection of the customer and service technician.
LEAKAGE CURRENT CHECK
Before returning the unit to the customer, make sure you make either (1) a leakage current check or (2) a line to chassis
resistance 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.
500V
1M
(1)
(2)
(1)
(2)
2
AVR-3806 / AVC-3920
DIMENSION
182.5
28.5
0
15
338.8
318.1
244.5
0
66.1
88.2
0
217
172
172
217
3
AVR-3806 / AVC-3920
WIRE ARRANGEMENT
If wire bundles are untied or moved to perform adjustment or
parts replacement etc.,be sure to rearrange them neatly as
they were originally bundled or placed afterward.
Otherwise, incorrect arrangement can be a cause of noise
generation.
Wire arrangement viewed from the top
Back Panel side
Front Panel side
4
AVR-3806 / AVC-3920
CAUTION IN SERVICING
Initializing AV SURROUND RECEIVER
AV SURROUND RECEIVER initialization should be performed
when the