Read Sharp LC-30HV4E (serv.man9) Service Manual online
37
LC-30HV4E
»
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 strobs
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
ANA_IN1+
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
ANA_IN2+
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)
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