Samsung MAX-870 Service Manual page 67

Block Diagrams
HA12203/HA12204 : JIC3
42
1
STK417-090: AIC1
TR1 TR2
R2
C1
C2
18
TR3 TR4
19
20
TR5
O1
R3
9-8
0.0047
0.1
22k
41 40 39 38 37 36
15k
12k
12k
15k
2 3 4 5 6 7
0.1
33k
0.0047
17
R4
TR21
TR9
TR11 TR23
R9 R19
TR5
O4
TR8
R5
O2 O3
R6
TR10 TR22
TR12 TR24
TR7 R10 R20
R7
R8
R31
12 13 16 10 14 15 11
+
+ +
+
35 34 33 32 31 30
EQ
DOLBY
B-NR
LPF
DOLBY
B-NR
EQ
8 9 10 11 12 13
+ + +
+
R14
TR14
TR18
C3
R12
C4
O5
TR16 TR15
TR20
R15
R16
TR19
TR17
R17
R18
R13
BIAS
1000 p
0.33
+
300k
29 28 27 26 25 24
100k
BIAS
MS
SW
DET
8.2k
14 15 16 17 18 19
22 21
R51
TR51
TR13
Comparator
D53
R58
R58
D53
D51 D52
Comparator
TR51
R51
9
V
EE
23 22
20 21
1
R42
R43
S. W. R45
Cont.
3
TR42
R44
2
SUB
5
4
R59
R59
7
6
8
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