Ic8202 (Vhibu55041+-1Y); Ic8402 (Vhibd8162Ek-1Q) - Sharp LC-32D44E Service Manual

Pin No. Pin Name
16 OUT2
17 OUT3
18 OUT4
19 OUT5
20 AGND
21 AGND
22 OUT6
23 OUT7
24 OUT8
25 OUT9
26 OUT10
27 OUT11
28 VCC
29 REFIN
30 VDAC
31 DACGND
32 N.C

16. IC8202 (VHIBU55041+-1Y)

Nonvolatile VCOM calibrator
• 128-gradation current output possible
• I2C interface adopted
Pin No. Pin Name
1 IOUT
2 AVDD
3 WPB
4 VSS
5 VDD
6 SDA
7 SCL
8 SET

17. IC8402 (VHIBD8162EK-1Q)

Multi-channel system power supply IC
• 6-channel output system power supply with a built-in POWER FET
• 4ch gradation buffer amp + Built-in common amp
Pin No. Pin Name
1 PGND3
2 PG3
3 DTC3
4 COMP3
5 FB3
6 PVCC3
7 LDFB3
8 LDCTL3
9 LDO3
10 IN1
11 IN2
12 IN3
13 IN4
14 IN+
15 IN-
16 VCOM
17 OUT4
18 OUT3
19 OUT2
20 OUT1
21 HGND
22 CPFB2
23 CPCTL
24 C2
I/O
O Gradation voltage output terminal 2.
O Gradation voltage output terminal 3.
O Gradation voltage output terminal 4.
O Gradation voltage output terminal 5.
--- Buffer amplifier ground.
--- Buffer amplifier ground.
O Gradation voltage output terminal 6.
O Gradation voltage output terminal 7.
O Gradation voltage output terminal 8.
O Gradation voltage output terminal 9.
O Gradation voltage output terminal 10.
O Gradation voltage output terminal 11.
--- Buffer amplifier power supply.
O DAC reference input.
O DAC voltage output.
--- Ground for DAC.
--- No Connect.
I/O
O 128 Step current output terminal.
--- Power supply terminal 2.
Rewriting protection terminal. Enable at WPB=L
I
Rewriting is "H" level (VDD).
--- Ground terminal.
--- Power supply terminal 1.
I/O I2C data in-output terminal.
I I2C clock terminal.
--- Maximum current setting terminal.
I/O
--- Ground terminal.
O Power good output 3.
I Duty control terminal 3.
O Error margin amplifier output 3.
I Feedback input 3.
--- Power supply terminal.
I LDO feedback input 3.
I LDO control terminal 3.
O LDO output 3.
I AMP input 1.
I AMP input 2.
I AMP input 3.
I AMP input 4.
I COM input -.
I COM input +.
O COM output.
O AMP output 4.
O AMP output 3.
O AMP output 2.
O AMP output 1.
--- Ground terminal.
I Charge pump feedback 2.
I CP control input.
O Charge pump output 2.
5 – 22
LC32D44E/S/RU-BK/GY (1st Eddition)
Pin Function
Pin Function
Pin Function