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  9. Denon AVR-1907 User manual

Denon AVR-1907 User manual

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SERVICE MANUAL
MODEL
AVR-1907/787
AV SURROUND RECEIVER
AVC-1630
AV SURROUND AMPLIFIER
For U.S.A., Canada, Europe,
Asia, Taiwan R.O.C., Korea
& Japan model
TOKYO ,JAPAN
X0288 V.02 DE/CDM 0701
Some illustrations using in this service manual are
slightly different from the actual set.
●
Please use this service manual with referring to the
operating instructions without fail.
●
For purposes of improvement, specifications and
design are subject to change without notice.
●
●
 
本文中に使用しているイラストは、説明の都合上現物
 
 
と多少異なる場合があります。
●
 
修理の際は、必ず取扱説明書を参照の上、作業を行っ
 
 
てください。
サービスをおこなう前に、このサービスマニュアルを
必ずお読みください。本機は、火災、感電、けがなど
に対する安全性を確保するために、さまざまな配慮を
おこなっており、また法的には「電気用品安全法」に
もとづき、所定の許可を得て製造されております。
従ってサービスをおこなう際は、これらの安全性が維
持されるよう、このサービスマニュアルに記載されて
いる注意事項を必ずお守りください。
●
 
本機の仕様は性能改良のため、予告なく変更すること
 
 
があります。
●
 
補修用性能部品の保有期間は、製造打切後8年です。
注 意
Denon Brand Company, D&M Holdings Inc.
Ver. 2
Please refer to the
MODIFICATION NOTICE.
9
AVR-1907 / AVR-787 / AVC-1630
BLOCK DIAGRAM
84
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (1/14)
MAIN UNIT
(For ALL MODEL)
SCHEMATIC DIAGRAMS (1/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
85
AVR-1906 / AVR-786 / AVC-1620
SCHEMATIC DIAGRAMS (2/14)
FRONT UNIT ,PRE OUT UNIT,POWER S/W UNIT
FUNCTION S/W UNIT,H/P UNIT
OPTICAL INPUT UNIT,V.AUX UNIT
(For ALL MODEL)
SCHEMATIC DIAGRAMS (2/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
86
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (3/14)
CPU UNIT
(For ALL MODEL)
SCHEMATIC DIAGRAMS (3/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
87
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (4/14)
CNT UNIT
(For ALL MODEL)
SCHEMATIC DIAGRAMS (4/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
88
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (5/14)
PRE-AMP UNIT
SB-AMP & XM POWER UNIT
(For ALL MODEL)
SCHEMATIC DIAGRAMS (5/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
89
AVR-1906 / AVR-786 / AVC-1620
SCHEMATIC DIAGRAMS (6/14)
8CH_EXT(XM) UNIT
(For E3 MODEL)
SCHEMATIC DIAGRAMS (6/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
90
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (7/14)
INPUT/VOLUME UNIT
(For ALL MODEL)
SCHEMATIC DIAGRAMS (7/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
91
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (8/14)
DSP UNIT (1/2)
(For ALL MODEL)
SCHEMATIC DIAGRAMS (8/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630