Sharp LC-30HV4E (serv.man9) Service Manual ▷ View 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)
38
LC-30HV4E
Ë
VHiCXA2069Q-1 (ASSY:FIC1301)
S2-compatible 7-input, 3-output AV switch
»
Block diagram
39
LC-30HV4E
»
Pin mapping
Pin No.
Pin Name
Type
Description
63
TV
I
Video signal input
1
V1
I
Composite video signal input
8
V2
I
15
V3
I
22
V4
I
30
V4
I
60
V4
I
3
Y1
I
Y/C separation signal input, used for luminance signal input
10
Y2
I
YIN1: Input for signal created by Y/C separation of VOUT1 output
17
Y3
I
24
Y4
I
49
YIN1
I
5
C1
I
Y/C separation signal input, used for chrominance signal input
12
C2
I
CIN1: Input for signal created by Y/C separation of VOUT1 output
19
C3
I
26
C4
I
51
CIN1
I
62, 2
LTV, LV1
I
Audio signal input
9, 16
LV2, LV3
I
23, 29
LV4, LV5
I
59, 64
LV6, RTV
I
4, 11
RV1, RV2
I
18, 25
RV3, RV4
I
31, 61
RV5, RV6
I
53
VOUT1
O
Video signal output, used for composite vide signal output
41
VOUT3
O
44
V/YOUT2
O
Video signal output, controlled via 12C bus and used for composite video signal output
56
YOUT1
O
Power or luminance signal output is selected.
39
YOUT3
O
Video signal output, used for luminance signal output
58
COUT1
O
Video signal output, used for chrominance signal output
47
COUT2
O
37
COUT3
O
52
LOUT1
O
Audis signal output
43
LOUT2
O
38
LOUT3
O
54
ROUT1
O
45
ROUT2
O
40
ROUT3
O
6
S2-1
I
Used for detection of S2-compatible DC that is superimposed to C signal.
13
S2-2
I
4:3 image signal is selected when voltage ? 1.3V, 4:3 letterbox signal when 1.3V
20
S2-3
I
< voltage ? 2.5V, and 16:9 squeeze signal when voltage > 2.5V. 4:3 image signal is
27
S2-4
I
selected when the pins are open because they are pulled down to GND via 100K?.
7
S-1
I
Used for selection between composite video signal and S signal.
14
S-2
I
Detection result is written to the status register. S signal is selected when voltage ?
21
S-3
I
3.5V, and composite video signal when voltage > 3.5V. Composite video signal is
28
S-4
I
selected when the pins are open because they are pulled down to 5V via 100K?.
32
ADR
I
Used for selection of slave address for 12C bus.
90H is selected when voltage ? 1.5V, and 92H when ? 2.5V.
90H is selected when the pin are open.
90H is selected when voltage ? 1.5V, and 92H when ? 2.5V.
90H is selected when the pin are open.
33
SCL
I
12C bus signal input
34
SDA
I
12C bus signal input
36
DC OUT
O
Used for output of S2-compatible DC that is superimposed to COUT3.
DC superimposition is done by connecting to COUT3 via capacitor. The pin is
controlled via 12C bus.
Connection of 4.7k? external resistor provides output impedance of 10?3K? that
conforms to S2.
DC superimposition is done by connecting to COUT3 via capacitor. The pin is
controlled via 12C bus.
Connection of 4.7k? external resistor provides output impedance of 10?3K? that
conforms to S2.
55
TRAP1
I
Connected to trap circuit for sub carrier.
46
TRAP2
I
48
MUTE
I
Mute for audio signal output.
Mute is on when voltage ? 1.3V and off when voltage ? 2.5V.
Mute is off when the pin is open.
Mute is on when voltage ? 1.3V and off when voltage ? 2.5V.
Mute is off when the pin is open.
50
BIAS
I
Internal reference bias input.
Connected to GND via capacitor.
Connected to GND via capacitor.
40
LC-30HV4E
Ë
VHiMM1519XQ-1 (IC1401)
Component Input Video Switch
»
Block diagram
Click on the first or last page to see other LC-30HV4E (serv.man9) service manuals if exist.