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AN7522/7523
Function :
audio output
ICs functional description
Symbol
PIN
Function
Symbol
PIN
Function
Vcc 1
Power
supply GND
7 ground
Out 1 (+)
2
Ch 1 output (+)
In 2
8
Ch 2 input
GND(out 1)
3
Ch 1Ground
VOL
9
Volume Control
Out 1 (-)
4
Ch 1 output (-)
Out 2 (-)
10
Ch 2 output (-)
Standby
5
Mute input
GND(out 2)
11
Ch 2 Ground
In 1
6
Ch 1 input
Out 2 (+)
12
Ch 2 output (+)
Note: AN7523 is pin 1 to 9, AN7522 is pin 1 to 12.
LA78040/78045
Function :
vertical output
Symbol
PIN
Function
Symbol
PIN
Function
INV IN
1
Input
V OUT
5
Vertical output
VCC1
2
Power
VCC2
6
Output power supply
PUMP UP
3
Pump up power
NON INV IN
7
Negative feedback
GND 4
Ground
TDA9859
Function :
Universal Sound processor
Symbol Pin
Function
Symbol Pin
Function
AV1L
1
AV1 Audio Left input
AV1R
32
AV1 Audio input Right
P1
2
Not used
P2
31
Not used
MAINL
3
Main Audio Left input
AV2R
30
AV2 Audio input Right
CSMO
4
Smoothing Capacitor
CPS1
29
Pseudo stereo Cap. 1
MAINR
5
Main Audio Right input
AV2L
28
AV2 Audio input Left
VP
6
Power Supply
CPS2
27
Pseudo stereo Cap. 2
OUT R
7
Right Output
OUT L
26
Left Output
GND
8
Ground
MAD
25
Not used (GND)
LINOR
9
Line Output Right
LINOL
24
Line Output Left
LINIR
10
Line Input Right
LINIL
23
Line Input Left
CBR1
11
Bass Cap. Right 1
CBL1
22
Bass Cap. Left 1
CBR2
12
Bass Cap. Right 2
CBL2
21
Bass Cap. Left 2
Headphone R
13
Headphone-R output
Headphone L
20
Headphone-L output
CTR
14
Treble Cap. Right
CTL
19
Treble Cap. Left
MAINOR
15
Main Audio out Right
MAINOL
18
Main Audio out Left
SCL
16
I2C Bus clock
SDA
17
I2C Bus data
2
7