6-22
VPL-CX70/CX75
6-22
C
C
1
2
5
3
4
7
6
8
VDD
U1
IRIN1
IROUT
IRIN2
IREN1
IREN2
RES
VSS
MODE SELECT
INPUT
C (1/14) IRMF-A0T-QTP (IC103)
C (2/14) TC74LCX125FT (IC201)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
1OE
1A
1Y
2OE
2A
2Y
3OE
3A
3Y
4OE
4A
4Y
GND
VCC
C (3/14) BA6287F-E2 (IC308)
1
2
3
4
POWER
SAVE
TSD
DRIVER
8
7
6
5
CONTROL LOGIC
DRIVER
OUT1
VM
VCC
FIN
GND
OUT2
VREF
RIN
C (3/14) BA6288FS (IC305)
1
GND
2
NC
3
OUT1
4
VM
DRIVER
5
VCC
6
FIN
7
NC
8
NC
RNF
NC
OUT2
NC
VREF
CONTROL
LOGIC
RIN
NC
NC
TSD
POWER
SAVE
16
15
14
13
12
11
10
9
C (3/14) CXA1875AM-T4 (IC304)
LATCH
DAC
AMP
LATCH
DAC
AMP
LATCH
DAC
AMP
LATCH
DAC
AMP
LATCH
DAC
AMP
+
–
VCC
REG
I
2
C DECODER
LEVEL
CONVERTER
LEVEL
CONVERTER
LEVEL
CONVERTER
LATCH
POWER
ON
RESET
OPEN COLLECTOR
3
6
2
5
8
1
4
7
SW1
SW0
DAC4
DAC3
DAC2
DAC1
DAC0
GND
14
11
15
12
9
16
13
10
VCC
SCL
SDA
SAD2
SAD1
SAD0
SW3
SW2
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
Y7
G1
G2B
G2A
C
B
A
A
B
C
G2A
Y7
G1
G2B
Y6
Y5
Y6
Y5
Y4
Y3
Y2
Y1
Y0
16
VCC
DATA OUTPUTS
OUTPUT
ENABLE
SELECT
Y4
Y3
Y2
Y1
Y0
1
2
3
4
8
7
6
5
VCC
1Y
3A
2Y
GND
2A
3Y
1A
G1
A1
Y2
GND
VDD
G2
Y1
A2
1
2
3
4
8
7
6
5
C (3/14) TC7WH125FK (IC306)
C (3/14) TC74VHCT138AFT (IC300)
C (3/14) TC7WH04FK(TE85R) (IC302)
C (4/14) TDA7309D013TR (IC400)
1
19
18
17
16
15
11
12
13
14
20
LOUDL
IN2L
IN1L
VS
CREF
IN3R
LOUDR
IN2R
IN1R
IN3L
2
3
4
5
6
7
8
9
10
RECOUTL
OUTL
CSM
SDA
SCL
DGND
GND
ADD
OUTR
RECOUTR
MUTE
LOUDNESS
SERIAL
BUS
DECODER
+
LATCH
MUTE
LOUDNESS
SOFT
MUTE
SUPPLY
C (4/14) TPA2001D1PWR (IC401)
GAIN
ADJUST
GAIN
ADJUST
1
16
2
14 13
DEGLITCH
DEGLITCH
RAMP
GEN
GATE
DRIVE
COSC
15
AGND
12
VDD
11
PVDD
10
OUTN
9
PGND
BYP
ASS
ROSC
GATE
DRIVE
OC
DET
START-UP
PROTECTION
BIAS
AND
REF
VDD OK
THERMAL
GAIN
6
PVDD
7
OUTP
8
PGND
5
GAIN1
4
GAIN0
3
SHUTDOWN
INN
INP
SD
2
C (5/14) TC74HC4052AFT(EL) (IC501)
1
5
2
4
3
6
7
8
SELECT A
SELECT B
3
2
1
0
3
2
1
0
INH
Y1
Y3
Y
Y1
Y0
VEE
VSS
X3
X0
X
X1
X2
VDD
A
B
9
12
14
15
11
16
13
10