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Denon
Stereo Receiver
AVR-685
Denon AVR-685 User Manual
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59
AVR-1705/685
EXPLODED VIEW
P
ar
ts List
Parts
marked
with
this
symbol
have
critical
characteristics.
Use
ONL
Y
replacement
parts
recommended
by
the
manufacturer
.
W
ARNING:
印の部分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。
Note:
The symbols in
dicate the following destination
s.
E3 : U.S.A. & Canada model
E3 : U.S.A. & Canada model (AVR-685)
E2 : Europe mod
el
E1C : China model
EUT : Tiwan R.O.C. model
58
60
Table of Contents
Safety Precautions
2
Leakage Current Check
2
Dimension
3
Initializing AV Surround Receiver
4
Adjustment
5
Audio Section
5
Idling Current
5
Video Section
6
Component Video Level Adjustment
6
Block Diagram
9
Level Diagrams
10
Semiconductors
12
IC's
12
Cxp740096 (Ic201)
12
CXP740096 Terminal Function
12
Adsp-21266Skstz-2B (Ic804)
15
ADSP-21266SKSTZ-2B Terminal Function
15
Lc89057W (Ic807)
16
LC89057W Terminal Function
16
Bd3811K1 (Ic701)
17
Ad1837 (Ic808)
18
AD1837 Terminal Function
18
Tc90A69F (Ic609)
19
Lc75721E (Ic301)
19
Ta1270Bf (Ic606)
19
Njm2274R (Ic614)
19
Ba7625 (Ic651)
20
Ba7626 (Ic612,613,616,652,653)
20
Ic63Lv1024-10T (Ic827)
20
Lh28F800Bje (Ic805)
21
Sn74Lv573Apw (Ic818,819)
21
Sn74Lvc139Apwr (Ic820)
21
FL Display
22
16-St-66Gnk (Fl301)
22
Pin Assignment
22
Anode & Grid Assignment
22
Printed Wiring Boards
23
Main P.W.B. Unit
23
CPU Connect P.W.B. Unit
25
CNT P.W.B. Unit
27
Pre-Amp P.W.B. Unit
29
Input-Vol P.W.B. Unit
30
DSP P.W.B. Unit
31
Video P.W.B. Unit
32
Note for Parts List
34
Resistors
34
Capacitors
34
Parts List of P.W.B. Unit
35
Main P.W.B. Unit Ass'y
35
CPU P.W.B. Unit Ass'y
40
Input-Vol P.W.B. Unit Ass'y
43
CNT P.W.B. Unit Ass'y
46
Pre-Amp P.W.B Unit Ass'y
49
DSP P.W.B. Unit Ass'y
51
Video P.W.B. Unit Ass'y
55
Exploded View
59
Parts List
59
Parts List of Exploded View
60
Packing View
63
Parts List of Packing & Accessories
63
Wiring Diagram
64
Note for Schematic Diagram
65
Schematic Diagrams
66
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Denon AVR-685 Specifications
General
Brand
Denon
Model
AVR-685
Category
Stereo Receiver
Language
English
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