Denon PMA-2000 IV Service Manual - Page 6

Block/level Diagram, P. Amp Direct 0.9v-1db

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Page 6 highlights

BLOCK/LEVEL DIAGRAM 1 2 47k 100 PHONO MM + - MC RIAA CD TUNER INPUT DVD /AUX-1 AUX-2 TAPE-1 /CD-R TAPE-2 /MD TAPE-1 /CD-R REC OUT TAPE-2 /MD PRE OUT REC OUT SELECTOR MAIN IN (dBV) 40dB 30dB 20dB 10dB 0dB -10dB -20dB -30dB -40dB -50dB -60dB -70dB -80dB P. AMP DIRECT 0.9V(-1dB) CD etc.135mV(-17.4dB) PHONO MM 2.2mV(-53dB) PHONO MC 0.18mV(-75dB) 3 4 5 6 BASS TREBLE BUFFER BALANCE TONE SOURCE DIRECT OFF ON FLAT AMP MAIN VOLUME POWER AMP DIRECT OFF ON POWER AMP SPEAKER A (MAIN) SPEAKER B (BI WIRING) HEAD PHONE PROTECTOR +16V EQUALIZER GND -16V +16V TONE AMP GND -16V +16V POWER AMP GND -16V POWER AMP VOLTAGE POWER GND REGULATOR + + +30V POWER AMP FLAT AMP GND -30V +12V PROTECTOR + & RELAY GND 80W/8ohm 25.3V(28dB) PMA-2000IVR 7 8 A B C AC PLUG D E 6

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6
PMA-2000
IV
R
4
3
2
1
5
6
7
8
D
C
B
A
E
INPUT
REC OUT
PRE OUT
MAIN IN
P. AMP DIRECT 0.9V(-1dB)
CD etc.135mV(-17.4dB)
PHONO MM 2.2mV(-53dB)
PHONO MC 0.18mV(-75dB)
PHONO
CD
TUNER
DVD
/AUX-1
AUX-2
TAPE-1
/CD-R
TAPE-1
/CD-R
TAPE-2
/MD
TAPE-2
/MD
RIAA
MC
MM
47k 100
+
-
BASS
BUFFER
BALANCE
TREBLE
SOURCE
OFF
ON
DIRECT
MAIN VOLUME
POWER AMP DIRECT
FLAT AMP
TONE
POWER AMP
PROTECTOR
SPEAKER A
(MAIN)
SPEAKER B
(BI WIRING)
HEAD PHONE
POWER AMP
POWER AMP
POWER GND
VOLTAGE
REGULATOR
REC OUT SELECTOR
OFF
ON
EQUALIZER
TONE AMP
POWER AMP
FLAT AMP
PROTECTOR
&
RELAY
+16V
-16V
GND
+16V
-16V
GND
+16V
-16V
GND
GND
+30V
+12V
-30V
GND
+
+
+
AC PLUG
80W/8ohm 25.3V(28dB)
40dB
-40dB
-50dB
-60dB
-70dB
-80dB
20dB
-20dB
10dB
-10dB
0dB
30dB
-30dB
(dBV)
BLOCK/LEVEL DIAGRAM