Denon AVR-1604, Service Manual

Page: 4 / 71

4
4
AVR-1604/684 / AVC-1580
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
CENTER
SURROUND
SURROUND-BACK
6CH IN
-10dBFS
-20dBFS
-30dBFS
6dB
D/A OUT
100mV REF
DSP OUT
D/A +
MUTE
DSP OUT D/A +
6dB
D/A
-10dBFS
0dBFS
-20dBFS
-30dBFS
MUTE
D/A OUT
100mV REF
CENTER
SL/SR/SB
FRONT
40dB
30dB
20dB
10dB
A/D -- - +
A/D
0dBFS
CD IN
6CH IN
A/D IN
REV AMP A/D IN
REV AMP A/D IN
REV AMP
INPUT
BUFFER
AMP
DIR
DIGITAL
D/A OUT
LPF
REV AMP
SW SUM
REV AMP
+
HPF
MUTE
DSP D/A -- --
SUM S/W
+
D/A
0dBFS
BD3811K1
+
MUTE
POWER AMP TONE PRE AMP
ELECTRIC
VOLUME
SPK OUT
FRONT
2.83V
(1W/8ohm)
SPK OUT
FRONT
ATT H/P OUT
MUTE
-18dB 15.5dB
VOL 00
MUTE
-18dB
BD3811K1
BD3812F
+
+
15.5dB
VOL 00
-35.5dB
H/P OUT
47mV
(0.27W 8ohm)
SPK OUT
CENTER
SURROUND
SPK OUT
SURROUND
BACK
25.5dB
SPK OUT
2.83V
(1W/8ohm)
25.5dB