STK412-170 Sanyo Semiconductor, STK412-170 Datasheet - Page 3

• Manufacturer Part Number: STK412-170
• Description: AF Power Amplifier
• Manufacturer: Sanyo Semiconductor

Internal Equivalent Circuit
Specified Transformer Power Supply
13
12
14
15
16
7
TR3
TR1
TR5
R3
SUB
R2
C1
(MG-250 equivalent)
TR2
TR4
D1
C2
D6
R5
R6
R7
DBA40C
TR6
R4
TR8
D2
R8
TR7
TR9
Current Limiter
for RL-Short
TR10
10000 F
10000 F
R23
R20
R22
TR12
TR11
+
+
9
21
500
500
8
11 10
22
Current Limiter
for RL-Short
TR23
+V H
--V H
STK412-170
TR24
N.C.
R27
19
R24
R26
TR22
TR21
20
R18
TR19
TR20
R14
D3
TR18
R17
Specified Transformer Power Supply
R15
R16
D7
C4
TR16
TR14
C3
(MG-200 equivalent)
TR17
R12
R13
TR13
17
DBA40C
TR15
18
TR31
TR32
R31
R32
10000 F
10000 F
Comparator
Comparator
D32
D31
+
+
500
500
D35
D33
D34
D36
No. 7251-3/4
+V L
--V L
1
3
2
5
4
6