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DV-L70U
9-26. IC3601 TK11835
1
BASE
Is
2
V
3
FB
9-27. IC6002 TDA7053
Pin No.
Terminal name
1
SGND1
2
IN1
3
n.c.
4
n.c.
5
Vp
6
IN2
7
SGND2
8
n.c.
• Block Diagram
+
-
Thermal S.D
Operation function
Signal ground1
Input1
Not connected
Not connected
Supply voltage
Input2
Signal ground2
Not connected
1
6
V
CC
5
GND
-
+
V
4
V
REF
REF
Pin No. Terminal name
9
OUT2A
10
GND2
11
n.c.
12
OUT2B
13
OUT1B
14
GND1
15
n.c.
16
OUT1A
2
9-31
1.Power amplification Tr base drive
2.Electric current limitation
3.Output voltage feedback
4.Reference voltage
5.GND
6.Input
Operation function
Output2 (Positive)
Power ground2
Not connected
Output2 (Negative)
CH2 gain fixed input terminal
CH3 gain adjustment input terminal
Not connected
VCC
15
n.c.
11
n.c.
8
n.c.
4
n.c.
3
n.c.
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