LC-37X20E. Major IC Information - Sharp TV Service Manual (repair manual). Page 7

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LC-32X20E/S/RU, LC-37X20E/S/RU
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2.3.2 Pin Connections and short description
2.4. IC1402 (VHiR2S15502-1Y)
2.4.1 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
1, 2, 12, 25, 35, 36
NC
No connection
3
PVDDREG
Power terminal for regulator (PVDD)
4
AVDD
Output terminal for 3.3V regulator
5
INLP
I
Analog input terminal (Lch+)
6
INLM
I
Analog input terminal (Lch-)
7
VREF
VREF terminal
8
INRM
I
Analog input terminal (Rch-)
9
INRP
I
Analog input terminal (Rch+)
10
AVSS
GND terminal for analog
11
PLIMIT
I
Power limit setting terminal
13, 14
PVDDPR
Power terminal for digital amplifier output (Rch+)
15, 16, 17
OUTPR
O
Digital amplifier output terminal (Rch+)
18, 19
PVSSR
Ground terminal for digital amplifier output (Rch)
20, 21, 22
OUTMR
O
Digital amplifier output terminal (Rch-)
23, 24
PVDDMR
Power terminal for digital amplifier output (Rch-)
26
SLEEPN
I
Sleep control terminal
27
PROTN
O
Error flag output terminal
28
MUTEN
I
Mute control terminal
29
CKOUT
O
Clock output terminal for synchronization
30
CKIN
I
External clock input terminal
31
NCDRC0
I
Non-clip/DRC1/DRC2 mode selection terminal 0
32
NCDRC1
I
Non-clip/DRC1/DRC2 mode selection terminal 1
33
GAIN0
I
GAIN setting terminal 0
34
GAIN1
I
GAIN setting terminal 1
37, 38
PVDDML
Power terminal for digital amplifier output (Lch-)
39, 40, 41
OUTML
O
Digital amplifier output terminal (Lch-)
42, 43
PVSSL
Ground terminal for digital amplifier output (Lch)
44, 45, 46
OUTPL
O
Digital amplifier output terminal (Lch+)
47, 48
PVDDPL
Power terminal for digital amplifier output (Lch+)
Pin No.
Pin Name
I/O
Pin Function
1
AVSS
0V Power Supply for Analog Core
2
AVDD
3.3V Power Supply for Analog Core
3
SIF
I
Sound IF Input
4
VREF1
ADC Voltage Reference 1
5
VREF2
ADC Voltage Reference 2
6
TEST
I
Test pin
7
XI
I
Crystal Oscillator Input
8
XO
O
Crystal Oscillator Output
9
IVDD
3.3V Power Supply for I/O Buffer
10
IVSS
0V Power Supply for I/O Buffer
11
DVSS
0V Power Supply for Logic Core
12
DVDD
1.5V Power Supply for Logic Core
13
DACCLK
I/O
DAC Clock
14
BCK
I/O
Bit Clock
15
LRCK
I/O
LR Clock
16
SD0
O
Digital Output for External DAC
17
SDI
I
Digital Input for Internal DAC
18
SDA
I/O
I2C bus Serial Data
19
SCL
I
I2C bus Serial Clock
20
STATUS
I/O
PLL Setting / Status Signal
21
RESET
I
Hardware Reset (Active low)
22
ROUT
O
Rch Analog Output
23
VCOM
DAC Voltage Reference
24
LOUT
O
Lch Analog Output
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