Sanyo DC-F430AV Service Manual page 35

IC BLOCK DIAGRAM
L
IC362 TC4011 BF (NAND Gate)
VDD A4 B4 X4 X3 B3 A3
Al
BI Xl X2 B2
A2 VSS
IC420 LA2786 (Dolby Pro-Logic)
BPF1
BPF2
VREF
S-CH DC OUT
C-H DC OUT
L-CHDC OUT
R-CH DC OUT
VREF
L-IN
R-IN
Vss
L
L-BPF1
L-BPF2
L-BPF3
DO CUT
Oc
CUT
R RECT
L RECT
L
IC369 BA3216N (Head Changeover Switches)
I
. .
1
2 3 4
5
&)+&& '- '~ '+ A
8
9
NOISE
NOISE
FILTER
CH
BALANCE
%
V REF
CONTRO
VR
CONTRO
d
LPF
!~
Osc :
m'""+
)-(
1 I
(
II (
-.
1 , T ,
(
L
Jr 1- . — —
-1
CLK
DATA
ENABLE
Oscl
Vcc
LQUT
R-OUT
S-OUT
C-OUT
CMODE-CAP.
C-TRIM DC CUT
R-BPF1
R-BPF2
R-BPF3
VCS-TH
) Vcs-1
) VCS-2