8
VSX-323-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
2. BLOCK DIAGRAM
2.1 OVERALL BLOCK DIAGRAM
FL
SR
SW
AI
N
_
R
AI
N
_
L
C
AM
U
T
E
SW
C
SL
SR
FR
AIN_R
HDMI_IN_4
HDMI_IN_4
HDMI_IN_3
HDMI_IN_1
+12V
C
SW
FR
SL
FL
FL
AIN_L
HDMI_IN_2
Q426
Q428
SL
FR
IC401
USB_D-
Q419
SR
Q427
IC2016
-12V
SAT_R
CD_R
SAT_L
TUNER_L
VOL_DATA
UTC4580E
OPT
COAX
SW_SUM-MC51
Q425
DVD_R
TUNER_R
DVD_L
CD_L
USB_D+
VOL_CLK
C
D-MAIN ASSY
MAIN ASSY
A
F
B
OPTCO AS
I
FUSB ASS