Yamaha P7000S - Amplifier Owner's Manual - Page 13
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■ Block Diagram
P7000S, P5000S
P3500S, P2500S
BA
CHANNEL A
[BRIDGE]
[PARALLEL]
INPUT
CHANNEL B
BA
HPF
CHANNEL A
LPF
ATT
State variable
Active filter
OFF
Frequency
[25 Hz-150 Hz]
YAMAHA
SPEAKER
PROCESSING
INV
ON
OFF
YAMAHA
SPEAKER
PROCESSING
CHANNEL B
ATT
OFF
State variable
Active filter
LPF
HPF
Frequency
[25 Hz-150 Hz]
POWER
POWER CIRCUIT
POWER SW
Ach Power Amp
Limiter
CLIP
Temperature
Sensor
(Heat Sink)
CLIP
PARALLEL
Bch Power Amp
BRIDGE
Limiter
STEREO
+B
E
-B
+24
E
FAN
-24
1+
1-
SIGNAL
PROTECTION
Protection
Circuit
TEMP
2+
SIGNAL
1-
1+
SPEAKERS
3
2-
2
CHANNEL A
2+
1
A+B BRIDGE
1
2
CHANNEL B
2-
3
13