Read Sharp LC-37AD1E (serv.man10) Service Manual online
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64-1
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LC-37AD1E
Ë
RH-IXA416WJZZQ (ASSY:IC2501)
Multi Standard Sound Processor
»
Block Diagram
Pin No
.
Pin Name
I/O
Pin Function
»
Pin Function
1N
C
—
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
29,31,32
NC
—
Not connected
30
DACM_SUB
O
Sub woofer output
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
NC
—
Not connected
59
VREFTOP
—
Reference voltage IF A/D converter
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
C
rystal 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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