Denon AVR-1907 User manual

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.
All manuals and user guides at all-guides.com
all-guides.com

9
AVR-1907 / AVR-787 / AVC-1630
BLOCK DIAGRAM
All manuals and user guides at all-guides.com

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
All manuals and user guides at all-guides.com

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
All manuals and user guides at all-guides.com

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
All manuals and user guides at all-guides.com

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
All manuals and user guides at all-guides.com
all-guides.com

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
All manuals and user guides at all-guides.com

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
All manuals and user guides at all-guides.com

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
All manuals and user guides at all-guides.com

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
All manuals and user guides at all-guides.com

92
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (9/14)
DSP UNIT (2/2)
(For ALL MODEL)
SCHEMATIC DIAGRAMS (9/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
All manuals and user guides at all-guides.com
all-guides.com

93
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (10/14)
C-VIDEO UNIT
(For ALL MODEL)
SCHEMATIC DIAGRAMS (10/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
All manuals and user guides at all-guides.com

94
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (11/14)
S VIDEO UNIT
(For ALL MODEL)
SCHEMATIC DIAGRAMS (11/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
All manuals and user guides at all-guides.com

95
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (12/14)
COMPO UNIT
(For AVR-1907/787 MODEL)
SCHEMATIC DIAGRAMS (12/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
All manuals and user guides at all-guides.com

96
AVR-1906 / AVR-786 / AVC-1620
SIGNAL LINE
SCHEMATIC DIAGRAMS (13/14)
D-VIDEO UNIT
(For AVC-1630/Japan MODEL)
SCHEMATIC DIAGRAMS (13/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
All manuals and user guides at all-guides.com

97
AVR-1906 / AVR-786 / AVC-1620
SCHEMATIC DIAGRAMS (14/14)
8CH_EXT(E2) UNIT (Except for E3 Model)
V-CNT UP1 UNIT, V-CNT DOWN1 UNIT,
V-CNT UP2 UNIT, V-CNT DOWN2 UNIT,
MIC UNIT (For ALL Model)
SCHEMATIC DIAGRAMS (14/14)
1234567891011
A
B
C
D
E
F
G
H
AVR-1907 / AVR-787 / AVC-1630
All manuals and user guides at all-guides.com
all-guides.com