Sharp Aquos LC-30HV4U, Service Manual

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LC-30HV4U
LC-30HV4D
Pin No. Pin Name Type Description
1 BIAS –– ADC bias
2 VRT –– ADC upper limit bias
3 VDD1 –– ADC and DAC power supply (analog system)
4 TESTI1 I Input for testing
5 VSS2 –– ADC GND (analog system)
6 VRB –– Video signal input
7 YCIN I ADC lower limit bias
8 TEST O Reset control and test control before shipping
9 KILLER I Y/C separation and vertical enhancer OFF
10 TESTI2 I Input for testing
11 VDD3 –– Power supply to logic (digital system)
12 VSS3 –– Logic and DRAM GND (digital system)
13 VDD2 –– DRAM power supply (digital system)
14 TESTI3 I Input for testing
15 SCL I I2C BUS clock input
16 SDA I I2C BUS data input
17 MODE1 O MODE1 output
18 TESTOUT I Test input
19 FSC I Clock input
20 VDD4 –– PLL power supply (analog system)
21 VSS4 –– PLL GND (analog system)
22 FIL I VCO control
23 PD O PLL detection output
24 VB2 –– DAC bias 2
25 YOUT O Luminance signal output
26 VSS1 –– DAC GND (analog system)
27 COUT O Color signal output
28 VB1 –– DAC bias 1
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VHi+1Y (ASSY:IC402)
3 Line Digital Comb Filter (NTSC/PAL)
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Pin mapping