Sharp LC 13SH4U, Service Manual

Page: 37 / 88

LC-20SH4U
37
Pin No. Pin Name I/O Pin Name Function
51 P43 O N.C
52 P42 O HPMUTE Headphones mute
53 P41 O SP MUTE1 Main speaker mute
54 P40 O N.C
55 P37 I HP DET Headphones detect
56 P36 O SSTBY Amplifier power control
57 P35 I VSH IN Panel gate driver voltage confirm
58 P34 O LMUTE Line out audio mute
59 P33 O V IN/OUT Video input/output select
60 P32 O SRESET Audio IC reset output
61 P31 O N.C
62 Xcc2 I Vcc2 Power input
63 P30 O TCON_OUT_OTL DVP control output control
64 Vss I Vss GND
65 P27 O V_SEL AV selector switch
66 P26 O TV_SEL AV selector switch
67 P25 O BUS SELECT(I
2
C) DVP I2C/4-line communication system select (H: I2C control, L: Serial control)
68 P24 O MPCE DVP 4-line serial chip enable (MPCE)/DVP slave address select
69 P23 O OPCLED OPC LED light-up
70 P22 O INV_POW Separately-excited inverter power control
71 P21 O VGH Panel power control
72 P20 O POWout DC/DC control output
73 P17 I ADPPOW Adaptor ON/OFF input
74 P16 O DACOUTCON Gradation control IC output control
75 P15 O N.C
76 P14 O N.C
77 P13 O N.C
78 P12 O MP_DA Gradation control IC data output
79 P11 O MP_CLK Temperature sensor or gradation control IC clock output
80 P10 O DDC_RESET Video IC reset output (Renesas DVP, 3D YC)
81 P07 I KEY4 Key input 4
82 P06 I KEY5 Key input 5
83 P05 O N.C
84 P04 O N.C
85 P03 O MODEL Model ID port
86 P02 I SHORT_DET Over-current protection detect
87 P01 I INCH2 Screen size ID port 2
88 P00 I INCH1 Screen size ID port 1
89 AN7 I AFT AFT voltage input
90 P106 O N.C
91 AN5 I KEY1 Key input 1
92 AN4 I KEY2 Key input 2
93 P103 O N.C
94 AN2 I OPC_IN OPC sensor level input
95
96 AVss I AVss Connected to GND
97 P100 O N.C
98 VREF I VREF Connected to +3.3V
99 AVcc I AVcc Connected to +3.3V
100 P97 O N.C