Sanyo DC-PT70 - IC Block Diagram: IC160 IKE80-E (Power Amp)

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IC BLOCK DIAGRAM & DESCRIPTION
IC160 IKE80-E(Power Amp.)
1FWD
2
3
4
5
VLO+
VCCP2
VLO-
6VO4+
7VO4-
8VO3+
9VO3-
10VO2+
11VO2-
12
13
VO1+
VO1-
14VCCP1
VCCS
15
16VIN1+
18VIN1
17VIN1-
36
35
34
33
MUTE234
32 VIN4-
31 VIN4
SGND
VCONT
MUTE1
30 VREF_IN
29 VREF_OUT
28
FRFR
REG_OUT
27 REG_IN
26 VIN+OP
25 VIN-OP
24
23 VIN3
VO_OP
22 VIN3-
21 VIN2
19
20 VIN2-
VIN2+
REV
CH1
CH2,3,4
44k
11k
44k
REG IN
REG OUT
(VCC)
11k
44k
44k
11k
11k
Input
Thermal shutdown
Signal stem GND
(Load outout voltage set)
MUTE
Match CH:ON/OFF
H:Output ON, L:Output OFF
Output
control
Level
shift
Level
shift
Level
shift
Level
shift
To VREFOUT
To VREFOUT
Power
stem
GND
Power
stem
GND
Signal stem
power supply