Denon AVC-1880, Service Manual

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3
3
AVR-1804/884 / AVC-1880
LEVEL DIAGRAMS
FRONT/CENTR/SURROUND/SURROUND BACK
20dB
10dB
0dB
(200mV)
-10dB
-20dB
6CH IN
40dB
30dB
0dB
(200mV)
-10dB
-20dB
-12dB
6CH IN
CD IN
-10dBFS
-30dBFS
-20dBFS
6CH IN
6CH IN
CENTER
SURROUND
SURROUND BACK
DSP OUT
-10dBFS
-20dBFS
-30dBFS
D/A +
MUTE
6dB
D/A OUT
100mV REF
D/A
-10dBFS
0dBFS
-20dBFS
-30dBFS
-23dBFS
D/A OUT
70.8mV REF
6dB
6dB
D/A OUT
100mV REF
CENTER
SURR/SB
6CH IN
CD IN
0dBFS
A/D
+ - -- A/D
10dB
20dB
30dB
40dB
FRONT
INPUT
BUFFER
AMP
A/D IN
REV AMP
A/D IN
REV AMP
A/D IN
REV AMP
DIR
DIGITAL
D/A OUT
LPF
REV AMP
SW SUM
REV AMP
+
HPF
MUTE
DSP D/A -- --
SUM S/W
+
D/A
0dBFS
MUTE
+
ELECTRIC
VOLUME
PRE AMP TONE POWER AMP
SPK OUT
FRONT
2.83V
(1W/8ohm)
SPK OUT
FRONT
ATT H/P OUT
-18dB
-15dB
VOL 00
25.5dB
15.5dB
VOL 00
MUTE
+
15.5dB
-18dB
H/P OUT
47mV
(1W 8ohm)
-35.5dB
25.5dB
SPK OUT
CENTER
SURROUND
SPK OUT
2.83V
(1W/8ohm)