Sanyo C29LF34 Service Manual page 7

IC Block Diagrams
IC211 NJM2234M
GND Vout
8 7
BUFFER
1 2
Vin1
CTL1
NJM2234M
CONTROL INPUT - OUTPUT SIGNAL
CTL1 CTL2
L L
H L
L/H H
IC1601 < Double Rectifier > STR81145A
2
T1
r1
Z1
Q1
r2 r3
5
Common
+
V Vin3
6 5
BIAS
4
3
Vin2
CTL2
OUTPUT SIGNAL
Vin1
Vin2
Vin3
Delay
1
3
Triac
4
Z2
Q2
Q3
STR81145A
IC3401 <BBE> QBA3880AFS
1
GND
DETR 2
3
DEFR
4
CTL
5
VCAR
6
R-MIX
7
R-OUT
8
R-IN
9
APFR
HPFR 10
11
LPFR
BIASC 12
T2
Gate
-7-
CTL
CTL
VCA
VCA
–
+ LD
+
HI MID
+
+
+
+
+
+
+ +
MID
HI
LO
+
HPF
+ –
LPF
HPF
LPF
24 DETL
23
22 DEFL
21 VCC
20 VCAL
19 L-MIX
18 L-OUT
L-IN
17
16
APFL
15
HPFL
14
13
LPFL