Sharp LC-46X8E/S/RU, Service Manual

Page: 66 / 166

LC-46X8E/S/RU
5 – 3
1.2.2 Pin Connections and short description
Pin No. Pin Name I/O Pin Function
69 C1 I
Chroma signal input
75 C2 I
1 C3 I
7 C4 I
70 S1 I
The terminal which detects the connection state of S-connector. 76 S2 I
2 S3 I
65 V1 I
Composite signal input.
71 V2 I
77 V3 I
3 V4 I
9 V5 I
15 V6 I
68 S2-1 I
The terminal which detects the aspect ratio information of S-connector.
74 S2-2 I
80 S2-3/ FS3 I
The terminal which detects the aspect ratio information of S-connector, or which detects the
voltage of FS pin of a scart connector.
67 Y1 I
Luminance signal input.
73 Y2 I
79 Y3 I
5 Y4 I
14 ADR I Slave address select pin.
16 BIAS I BIAS
32 L13 I The terminal which detects the number of scanning lines information on D-connector.
20 L11/ FS1 I
The terminal which detects the number of scanning lines information on D-connector, or
which detects the voltage of FS pin of a scart connector.
26 L12/ FS2 I
21 CY1 I
Component Y-signal input. 27 CY2 I
33 CY3 I
22 L21 I
The terminal which detects the I/P information of D-connector. 28 L22 I
34 L23 I
24 L31 I
The terminal which detects the aspect ratio information of D-connector. 30 L32 I
36 L33 I
23 PB1 I
Colour difference PB-signal input. 29 PB2 I
35 PB3 I
25 PR1 I
Colour difference PR-signal input. 31 PR2 I
37 PR3 I
38 SW1 I
The terminal which detects the connection state of D-connector. 40 SW2 I
42 SW3 I
45 SDA I/O Data I/O of I2C bus
46 SCL I Clock input of I2C bus
49 DCOUT O DC output for S-terminal.
51 VOUT3 O Monitor output (composite signal)
50 COUT3/ VOUT6 O Monitor output (Chroma or composite signal)
52 YOUT3/ VOUT5 O Monitor output (Luminance or composite signal)
54 PROUT2 O
Colour difference PR-signal output.
58 PROUT1 O
55 PBOUT2/COUT2 O
Colour difference PB-signal or chroma signal output.
59 PBOUT1/ COUT1 O
56 CYOUT2/ YOUT2/ VOUT2 O
Colour difference signal, Luminance signal or composite signal output.
60 CYOUT1/ YOUT1/ VOUT1 O
64 O1 O
Output port.
66 O2 O
72 O3 O
78 O4 O
53, 57 VDD1 — Power supply (+9V)
8, 47 VDD2 — Power supply (+5V)
18, 44, 62 GND — Ground