KD-S785
1-29
28 REV
27 FWD
26 S-GND
25 VCONT
24 VIN4
23 VIN4G
22 VCC-S
FR FR
21 VREF-IN
20 REG-OUT
19 REG-IN
18 VIN3G
17 VIN3
16 VIN2G
15 VIN2
VCC2 1
V05- 2
V05+ 3
V04+ 4
V04- 5
V03+ 6
V03- 7
FR FR
V02+ 8
V02- 9
V01+ 10
V01- 11
VCC1 12
VIN1 13
VIN1G 14
POWER supplise
CH5
CH5
CH4
CH3
CH2
CH1
22k
11k
CH1.2.3.4
POWER
Level Shift
Level Shift
L
evel Shift
Level Shift
Output Control
22k
11k
22k
3.3VREG (External
PNP Tr)
Signal System Power
22k
11k
Input
Thermal Shutdown
11k
LA6574H-X (IC501) :CD driver
1.Terminal layout & brock daiagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CH5 power supplies.
Loading output(-)
Loading )
CH4 output te)
CH4 output terminal(-)
CH3 output te)
CH3 output terminal(-)
CH2 output te)
CH2 output terminal(-)
CH1 output te)
CH1 output terminal(-)
CH1,2,3,4 power supplies
CH1 input terminal
CH1 input terminal
(for gain adjustment)
VCC2
VO5-
VO5+
VO4+
VO4-
VO3+
VO3-
VO2+
VO2-
VO1+
VO1-
VCC1
VIN1
VIN1G
15
16
17
18
19
20
21
22
23
24
25
26
27
28
CH2 input terminal
CH2 input terminal(for gain adjustment)
CH3 input terminal
CH3 input terminal(for gain adjustment)
Regulator terminal
Regulator terminal
Standard voltage input terminal
Signal system power
CH4 input terminal(for gain adjustment)
CH4 input terminal
CH5 output voltage set terminal
Signal system GND
CH5 output switch terminal
CH5 output switch terminal
VIN2
VIN2G
VIN3
VIN3G
REG-IN
REG-OUT
VREF-IN
VCC-S
VIN4G
VIN4
VCONT
S-GND
FWD
REV
2.Pin function
Pin
No.
Pin
No.
Symbol
Function
Symbol
Function