Read Sharp LC-52X20E (serv.man5) Service Manual online
LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU
5 – 9
2.5. IC1402 (VHiR2S15502-1Y)
2.5.1 Pin Connections and short description
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
Pin No.
Pin Name
I/O
Pin Function
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