Sharp Aquos LC-30HV4U, Service Manual

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LC-30HV4U
LC-30HV4D
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Pin mapping
Pin No. Pin Name Type Description
1 CVBS1/Y1-IN I CVBS1 or Y1-IN signal input
2 SYNC-IN I Synchronization signal input
3 CVBS-OUT O CVBS or Y+C signal output
4 VS O Output of counted-down vertical synchronization signal
5 COMB Y-IN I Input of Y signal outputted from comb filter. Open when not used
6 D-VDD –– 5 VDC power supply to DDS/BUS/V-CD/H-CD block (standard)
7 COMB C-IN I Input of C signal outputted from comb filter. Open when not used
8 D-GND –– GND for DDS/BUS/V-CD/H-CD block
9 HS O Output of horizontal synchronization signal under AFC
10 SCP O Sand castle pulse output.
Clamp pulse and horizontal blanking pulse are outputted.
11 Yvi-IN O Output of synchronous input Y signal selected using video SW
12 SYNC-VCC –– 5VDC power supply to SYNC/HVCO block (standard)
13 SCL I I2C bus SCL input
14 SDA I/O I2C bus SDA output
15 YS3 I Switch for selection between main signal and RGB1 input signal. This input is
(iRGB1-in) operative only when RGB1-ENB is enabled during bus setting.
16 SYNC-GND –– GND for SYCN/HVOC block
17 Cr1-IN I Y1/Cb/Cr1 signal input
18 Cb1-IN I
19 Y1-IN I
20 CLP-FIL –– Used to connect Y clamp filter
21 Y-OUT O Y/Cb/Cr signal output
22 Cb-OUT O
23 Cr-OUT O
24 YS1 I Switch for selection between main signal and input signal
(YVbC2-IN)
25 B1-IN I RGB1 signal input. YS3 or I2C bus is used to select signal.
26 G1-IN I
27 R1-IN I
28 Y/C-GND –– GND for Y/C/Text/Video-SW/1HDL block
29 Cr2-IN I Y2/Cb2/Cr2 signal input. YS1 is used to select signal.
30 Cb2-IN I Open when the pin is not used.
31 Y2-IN I
32 Y/C-VCC –– 5VDC Power supply to Y/C/Text/Video-SW/1HDL block. (standard)
33 B2-IN I RGB2 signal input. YS is used to select signal.
34 G2-IN I Open when not used.
35 R2-IN I
36 YS2/YM I Switch for selection between main signal and RGB2 input signal
(RGB2-IN)
37 FIL. –– Connected to Y/C-VCC pin
38 X'TAL –– Connect to 16.2 MHz crystal oscillator
39 C3-IN I Chroma signal input. Open when not used.
40 APC-FIL –– Connected to chroma modulation filter
41 CVBS3/Y3-IN I CVBS33 or Y3 signal input. Open when not used.
42 ADDRESS I Slave address input
43 C2-IN I Chroma signal input. Open when not used.
44 CVBS2/Y2-IN I CVBS2 or Y2 signal input. Open when not used.
45 COMB SYS O Current color system discrimination result output. Pin 46 is also used for this output.
46 Fsc-OUT O Sub carrier output
47 AFC-FIL –– Connected to AFC detection filter
48 C1-IN I Chroma signal input. Open when not used.