Block/Level Diagram - Denon PMA-2000IVR Service Manual

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3 7 6 3 1 5 1 5 0

BLOCK/LEVEL DIAGRAM

1 2
PHONO
MM
MC
CD
TUNER
INPUT
DVD
/AUX-1
AUX-2
TAPE-1
/CD-R
TAPE-2
/MD
TAPE-1
/CD-R
T E
L 1 3 9 4 2 2 9 6 5 1 3
REC OUT
TAPE-2
/MD
REC OUT SELECTOR
PRE OUT
MAIN IN
(dBV)
40dB
30dB
20dB
10dB
P . AMP DIRECT 0.9V(-1dB)
0dB
-10dB
CD etc.135mV(-17.4dB)
-20dB
-30dB
w w w
-40dB
PHONO MM 2.2mV(-53dB)
-50dB
.
-60dB
PHONO MC 0.18mV(-75dB)
-70dB
-80dB
3
BASS TREBLE
+
-
SOURCE
TONE
OFF
RIAA
BUFFER
BALANCE
ON
MAIN VOLUME
POWER AMP DIRECT
OFF
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4 5
DIRECT
SPEAKER A
FLAT AMP
(MAIN)
POWER AMP
SPEAKER B
(BI WIRING)
HEAD PHONE
ON
PROTECTOR
+16V
GND
EQUALIZER
-16V
POWER AMP
+16V
GND
TONE AMP
-16V
VOLTAGE
POWER GND
+16V
REGULATOR
GND
POWER AMP
-16V
Q Q
POWER AMP
3 +30V 7 6 3
GND
FLAT AMP
-30V
+12V
PROTECTOR
&
RELAY
GND
80W/8ohm 25.3V(28dB)
u 1 6 3
.
2 4
9 9 8
6 7
+
+
1 5 1 5 0 8 9 2 4
+
m
c o
PMA-2000 IV R
2
9 9
8
A
B
9 8 2 9 9
C
AC PLUG
D
E
6