— 26 —
KV-21FE13/ 21FE13C/ 21FM13/ 21FM13C
15 N/C
1 0.6 1 6.0 6 14.3 1 13.3 1 8.6 16 4.5
2 N/C 2 0.1 7 2.1 2 5.0 2 30.7 17 4.7
3 2.4 3 6.1
3 GND 3 5.1 18 4.4
4 14.3 4 0.1
4 4.9 19 5.0
5 2.4 5 6.1 1 -31.8
5 4.9 20 5.0
6 GND 6 9.0 2 -32.7 1 5.0 6 GND 21 0.3
7 0.6 7 5.3 3 53.2 2 5.0 7 5.5 22 0.0
8 6.9 8 GND 4 -23.8 3 GND 8 N/C 23 N/C
9 GND 5 -32.7 9 8.9 24 0.0
10 6.9
10 4.1 25 N/C
11 6.9 1 0.2
11 GND 26 4.5
12 GND 2 3.7 1 135.9 12 N/C 27 4.5
13 6.9 3 2.5 2 123.4 13 N/C
4 GND 3 GND
pin volt 5 9.5
1 6.0 6 10.1
2 0.1 7 0.1 I 13.3
3 6.1 8 14.0 G GND
4 0.1 O 8.9
5 6.1
4 13.3
6 9.0 1 2.1
7 5.3 2 14.0
8 GND 3 -12.6
A BOARD IC VOLTAGE LIST
IC401
IC501
TU101
IC2001
All voltages are in V
All voltages are in V
IC406
IC602
IC502
IC405
IC603
A BOARD IC BLOCK DIAGRAMS
DC Volume Control 1
Input 1
Positive Output 1
Negative Output 1
Power
Ground 1
Signal
Ground
TEMPERATURE
PROTECTION
STABILIZER
REF
V
P
V
I + i
I – i
+
–
4
3
1
+
–
13
11
7
5
DC Volume Control 2
Input 2
I + i
I – i
1
2
Positive Output 2
Negative Output 2
10
8
2 6
12
9
Power
Ground 2n.c.
IC401: TDA7057AQ/N2
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