Sharp Aquos LC-30HV4U, Service Manual

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LC-30HV4U
LC-30HV4D
»
Pin mapping
Pin No. Pin Name Type Description
1 NC –– Not connected
2 I2C_CL I/O I2C clock
3 I2C_DA I/O I2C data
4 I2S_CL I/O I2S clock
5 I2S_WS I/O I2S word strobe
6 I2S_DA_OUT O I2S data output
7 I2S_DA_IN1 I I2S1 data input
8 ADR_DA O ADR data output
9 ADR_WS O ADR word strobe
10 ADR_CL O ADR clock
11, 12, 13 DVSUP –– Digital power supply 5V
14, 15, 16 DVSS –– Digital ground
17 I2S_DA_IN2 I I2S2-data input
18 NC –– Not connected
19 I2S_CL3 I I2S3 clock
20 I2S_WS3 I I2S3 word strobe
21 RESETQ I Power-on-reset
22 I2S_DA_IN3 I I2S3-data input
23 NC –– Not connected
24 DACA_R O Headphone out, right
25 DACA_L O Headphone out, left
26 VREF2 –– Reference ground 2
27 DACM_R O Loudspeaker out, right
28 DACM_L O Loudspeaker out, left
29, 30, 31, 32 NC –– Not connected
33 SC2_OUT_R O SCART 2 output, right
34 SC2_OUT_L O SCART 2 output, left
35 VREF1 –– Reference ground 1
36 SC1_OUT_R O SCART 1 output, right
37 SC1_OUT_L O SCART 1 output, left
38 CAPL_A –– Volume capacitor AUX
39 AHVSUP –– Analog power supply 8V
40 CAPL_M –– Volume capacitor MAIN
41,42 NC –– Not connected
43,44 AHVSS –– Analog ground
45 AGNDC –– Analog reference voltage
46 NC –– Not connected
47 SC4_IN_L I SCART 4 input, left
48 SC4_IN_R I SCART 4 input, right
49 ASG –– Analog Shield Ground
50 SC3_IN_L I SCART 3 input, left
51 SC3_IN_R I SCART 3 input, right
52 ASG –– Analog Shield Ground
53 SC2_IN_L I SCART 2 input, left
54 SC2_IN_R I SCART 2 input, right
55 ASG –– Analog Shield Ground
56 SC1_IN_L I SCART 1 input, left
57 SC1_IN_R I SCART 1 input, right
58 VREFTOP –– Reference voltage IF A/D converter
59 NC –– Not connected
60 MONO_IN I Mono input
61, 62 AVSS –– Analog ground
63, 64 NC –– Not connected
65, 66 AVSUP –– Analog power supply 5V
67 I IF input 1
68 ANA_IN- I IF common(can be left vacant, only if IF input 1 is also not in use)
69 I IF input 2(can be left vacant, only if IF input 1 is also not in use)
70 TESTEN I Test pin
71 XTAL_IN I Crystal oscillator
72 XTAL_OUT O
73 TP –– Test pin
74 AUD_CL_OUT O Audio clock output(18.432MHz)
75, 76 NC –– Not connected
77 D_CTR_I/O_1 I/O D_CTR_I/O_1
78 D_CTR_I/O_0 I/O D_CTR_I/O_0
79 ADR_SEL I I2C Bus address select
80 STANDBYQ I Stand-by(low-active)