LC-30HV4E (serv.man9). Major IC information - Sharp TV Service Manual (repair manual). Page 11

Read Sharp LC-30HV4E (serv.man9) Service Manual online

43
LC-30HV4E
»
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
12C bus SCL input
14
SDA
I/O
12C 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 12C 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/1HDI 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.
Page of 19
Display

Click on the first or last page to see other LC-30HV4E (serv.man9) service manuals if exist.