Block And Level Diagram - Denon PMA-720AE Service Manual

BLOCK AND LEVEL DIAGRAM

EQ
PHONO
35.5dB(MM)
CD
TUNER
AUX
NETWORK
PB
REC
30dB
20dB
10dB
0dB
-10dB
CD etc. 107mV(-25dB)
-20dB
-30dB
-40dB
MM 3.7mV(-54dB)
-50dB
-60dB
-70dB
LC78212
BUFFER
BALANCE
ECO
NJU7181RB1
AZ4580MTR
Signal Detect Level
BUFFER
4mV/ch
±15V
PHONO EQ
±15V
TONE
REGULATOR
±15V
POWER AMP
FIRST STAGE
SOURCE DIRECT
TONE
&
LOUDNESS
MAIN VOLUME
MCU
AMP
1
POWER
VOLATAGE
CONTROL
&
RELAY
2
1
STANDBY
3
15
P-AMP
45dB
MAIN TRANS
2
4
3
ST-BY TRANS
4
SPEAKER A
SPEAKER B
HEADPHONE
PRE OUT
AC CORD
50W/8ohm 20.0V(25.5dB)
0.7V/10k ohm(-3dB)