Sharp Aquos LC-32G4U, Service Manual

Page: 31 / 114

31
LC-32G4U/G4D
LC-37G4U/G4D
IC2004 (IXA870WJ) microcomputer monitor T
erminal function
Pin No
T
e
rminal Name
I/O
Description
Pin No
T
e
rminal Name
I/O
Description
1
OPC
OPC input
2
CCKM
Cable connection detection
3
A
VCC
5 V input
4
X_OUT
Sub clock terminal
5
X_IN
Sub clock terminal
6
VCL
Not used
7
RES
Reset input
8
TEST
Not used
9
VSS
GND
10
OSC2
System clock terminal
1
1
OSC1
System clock terminal
12
VCC
5 V input
13
TMDS_VSH_IN
Power supply detection
14
CSEN1
Power failure detection
15
SMPOW
Power supply control output
16
P
ANELPOW
Panel power supply control
17
FREERUN
Freerun switching
18
L_FL_ERR
Lamp error detection
19
POWDTC_M
Power failure detection
20
DDC_POW
Cable connection detection
21
QS_DLL_CHK
QS operation detection
22
OPT2
Not used
23
OPT1
Not used
24
F
AN_ERR
Fan error detection
25
W_PROT_M
W
rite control output
26
CONFIG_SDA
I2C_SDA
27
CONFIG_SCL
I2C_SCL
28
TMDS_RST
Reset output
29
MST
A
T
E
S
tartup detection
30
LSYNC
No signal detection
31
DDC_SDA
Control bus line data
32
TV_POW
Power supply control 1
33
TV_POW2
Power supply control 2
34
REQ
T
ransmission control
35
F_MODE1
W
rite control input
36
VSH_OUT
Power control
37
DACCS1
DAC control CS output 1
38
DACCS2
DAC control CS output 2
39
PMUTE
Image mute control output
40
DDCRST
Reset output
41
F_MODE2
Pull-up to H
42
MOT
OR+
Not used
43
MOT
OR-
Not used
44
PHOT
O
Not used
45
RXD0_M
Asynchronous receive input
46
TXD0_M
Asynchronous send output
47
DDC_SCL
Control bus line CLK
48
MP_CLK
Three-wire serial bus clock
49
MP_CS
Three-wire serial bus chip select
50
MP_DA
Three-wire serial bus data
51
IREM
Remote control signal input
52
CSEN2
Startup detection input
53
SR_UP
Power supply detection
54
STBY_POW
Power standby key input
55
POWG_LED
Power supply LED (green) control
56
POWR_LED
Power supply LED (red) control
57
HDCP_SDA
IIC SDA
58
HDCP_SCL
IIC SCL
59
AREA1
Model setting input
60
KEY2
Key input 2
61
KEY1
Key input 1
62
OSTEMP
T
emperature detection input
63
AREA2
Model setting input
64
MOT
OR_CHK
Not used