Read Sharp LC-30HV4E (serv.man9) Service Manual online
47
LC-30HV4E
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
IIC BUS clock input
16
SDA
I
IIC BUS data input
17
MODE1
O
MODE1 output
18
TESTOUT
I
Input for testing
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
DAC GND (analog system)
28
VB1
––
DAC bias 1
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VHiTC90A69++1Y (ASSY:IC402)
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Pin mapping
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