Pioneer DV-656A-S Service Manual page 31

5
SW
for Mute Control Signal
IC302, IC303:
I to V change
circuit
SW
for Mute Control
Signal
SW
for Mute Control
Reference voltage
Signal
generation
for Audio Amp.
SW
for Mute Control
Signal
SW
for Mute Control
Signal
5
6
25
Audio Amp.
(with LPF)
Audio Amp.
(with LPF)
DV-656A-S
6
7
(D)
: AUDIO (DIGITAL) SIGNAL ROUTE
: AUDIO SIGNAL ROUTE
Differential Amp.
(with LPF)
Circuitry to do LPF of a low
frequency band from Front L, R
in order to add it to LFE
Q410, Q420, Q510, Q520:
Mute SW
: The power supply is shown with the marked box.
LPF: Low Pass Filter
7
8
A
C
2/2
Q350, Q351,
Q360, Q361
:Mute SW
R/FR ch.
L/FL ch.
FR ch.
FL ch.
Audio out
(Front 2ch/Down mixed stereo)
C
D
Ls ch.
Rs ch.
Center
E
ch.
LFE ch.
(Sub
Woofer)
Audio out
C 1/2
31
8
B
F