Sharp LC-37HV4E (serv.man20) Service Manual ▷ View online
9
LC-37HV4E
RS-232C por
t specifications
Retur
n code
Command 4-digits
Parameter 4-digits
PC Contr
ol of the System
•
When a pr
ogram is set, the display can be contr
o
lled fr
om the PC using the RS-232C ter
m
inal.
The input signal (PC/video) can be selected, the volume can be adjusted and various other adjustments and
settings can be made, enabling automatic pr
ogrammed playing.
•
Attach an RS-232C cable cr
oss-type (commer
cially available) to the supplied Din-D/sub RS-232C for the
connections.
NO
TE
•
This operation system should be used by a person who is accustomed to using PCs.
Comm
unication conditions
Set the RS-232C communications settings on the PC to match the display
’s communications conditions. The
display's communications settings ar
e as follows:
Baud rate:
P
a
rity bit:
Data length:
Stop bit:
Flo
w
contr
o
l:
9,600 bps
8 bits
None
1 bit
None
Appendix
Command f
ormat
Comm
unication pr
ocedure
Send the contr
o
l commands fr
om the PC via the RS-232C connector
.
The Display operates accor
ding to the r
eceived command and sends a r
esponse message to the PC.
Do not send multiple commands at the same time. W
a
it until the PC r
eceives the OK r
esponse befor
e sending
the next command.
Eight ASCII codes
CR
Command
4-digits:
Command. The text of four characters.
Parameter 4-digits:
Parameter
0
– 9, x, blank, ?
P
a
rameter
Input the parameter values, aligning left, and fill with blank(s) for the r
emainder
. (Be sur
e that four values ar
e input for th
e
parameter
.)
When the input parameter is not within an adjustable range,
“ERR
” r
etur
ns. (Refer to
“Response code for
mat
”.)
No pr
oblem to input any numerical value for
“x
” on the table.
When
“?
” is input for some commands, the pr
esent setting value r
esponds.
C1 C2 C3 C4
P1
P2
P3
P4
0055
100
–
30
0009
0
????
?
Commands
P
I
I
I
I
I
I
I
I
I
I
I
I
I
A
A
A
A
A
A
V
H
H
V
V
C
P
POWER OFF (STANDBY)
INPUT SWITCHING (TOGGLE)
TV (CHANNEL FIXED)
TV (CHANNEL SELCTION) (1
–
99)
INPUT1
–
4 (1
–
4)
PC
INPUT1 (CVBS)
INPUT1 (RGB)
INPUT2 (CVBS)
INPUT2 (Y/C)
INPUT3 (CVBS)
INPUT3 (Y/C)
INPUT3 (RGB)
INPUT3 (COMPONENT)
TOGGLE
STANDARD
DYNAMIC
MOVIE
GAME
USER
VOLUME (0
–
60)
H-POSITION (AV) (
10
–
10)
H-POSITION (PC) (
90
–
90)
V-POSITION (AV) (
30
–
30)
V-POSITION (PC) (
60
–
60)
CLOCK (
90
–
90)
PHASE (
20
–
20)
POWER SETTING
INPUT SELECTION A
INPUT SELECTION B
AV MODE
SELECTION
VOLUME
POSITION
O
T
T
T
A
P
N
N
N
N
N
N
N
N
V
V
V
V
V
V
O
P
P
P
P
L
H
W
G
V
V
V
C
P
P
P
P
P
P
P
P
M
M
M
M
M
M
L
O
O
O
O
C
S
R
D
D
D
D
D
1
1
2
2
3
3
3
3
D
D
D
D
D
D
M
S
S
S
S
K
E
0
x
0
*
*
x
0
1
0
1
0
1
2
3
0
1
2
3
4
5
*
*
*
*
*
*
*
_
_
*
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
*
*
*
*
*
*
*
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
*
*
*
*
*
*
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
CONTROL ITEM
COMMAND
PARAMETER
CONTROL
CONTENTS
W
W
W
W
W
W
W
W
W
W
W
W
S
S
S
S
S
T
T
D
C
C
T
T
D
TOGGLE
NORMAL
FULL 14:9
ZOOM 14:9
PANORAMA
FULL
CINEMA 16:9
CINEMA 14:9
NORMAL
FULL
DOT BY DOT
CINEMA
TOGGLE
OFF
SRS
FOCUS
SRS
FOCUS
DUAL SCREEN OFF
DUAL SCREEN ON
DIRECT CHANNEL (1
–
99)
CHANNEL UP
CHANNEL DOWN
TEXT OFF
TEXT ON (TOGGLE)
DIRECT PAGE JUMP (100
–
899)
WIDE MODE
SRS
DUAL SCREEN
CHANNEL
TEXT
I
I
I
I
I
I
I
I
I
I
I
I
R
R
R
R
R
W
W
C
H
H
E
E
C
D
D
D
D
D
D
D
D
D
D
D
D
S
S
S
S
S
I
I
C
U
D
X
X
P
E
E
E
E
E
E
E
E
E
E
E
E
S
S
S
S
S
N
N
H
P
W
T
T
G
0
1
2
3
4
5
6
7
8
9
1
1
0
1
2
3
4
0
1
*
x
x
0
1
*
_
_
_
_
_
_
_
_
_
_
0
1
_
_
_
_
_
_
_
*
_
_
*
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
*
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
CONTROL ITEM
COMMAND
PARAMETER
CONTROL
CONTENTS
NO
TE
•
If an underbar (_) appears in the parameter column, enter a space.
•
If an asterisk (*) appears, enter a value in the range indicated in brackets under CONTROL CONTENTS.
Retur
n code (0DH)
Response code f
ormat
Nor
mal r
esponse
Pr
oblem r
esponse (communication err
or or incorr
ect command)
Retur
n code (0DH)
OK
ER
R
10
LC-37HV4E
Appendix
SCAR
T (INPUT 1)
1.
Audio right output
(TV Monitor out)
2.
Audio right input
3.
Audio left output
(TV Monitor out)
4.
Common ear
th for audio
5.
Ear
th for blue
6.
Audio left input
7.
Blue input
8.
Audio-video contr
o
l
9.
Ear
th for gr
een
10.
Not used
11.
Gr
een input
12.
Not used
13.
Ear
th for r
e
d
14.
Not used
15.
Red input
16.
Red/Gr
een/Blue contr
o
l
17.
Ear
th for video
1
8
.
Ear
th for Red/Gr
een/Blue
contr
o
l
19.
V
ideo output
(TV Monitor out)
20.
V
ideo input
21.
Plug shield
SCAR
T (INPUT 2)
1.
Audio right output
2.
Audio right input
3.
Audio left output
4.
Common ear
th for audio
5.
Ear
th
6.
Audio left input
7.
Not used
8.
Audio-video contr
o
l
9.
Ear
th
10.
A
V
LINK contr
o
l
11.
Not used
12.
Not used
13.
Ear
th
14.
Not used
15.
Chr
oma S-V
ideo input
16.
Not used
17.
Ear
th for video
18.
Ear
th
19.
TV Monitor output
20.
V
ideo input/S-video input
21.
Plug shield
SCAR
T (INPUT 3)
1.
Audio right output
2.
Audio right input
3.
Audio left output
4.
Common ear
th for audio
5.
Ear
th
6.
Audio left input
7.
Blue input
8.
Audio-video contr
o
l
9.
Ear
th
10.
Not used
11.
Gr
een input
12.
Not used
13.
Ear
th
14.
Not used
1
5
.
Red input/Chr
oma S-V
ideo
input
16.
Red/Gr
een/Blue contr
o
l
17.
Ear
th for video
18.
Ear
th
19.
TV Monitor output
20.
V
ideo input/S-video input
21.
Plug shield
13579
11
13
15
17
19
21
2468
10
12
14
16
18
20
Connecting pin assignments f
or SCAR
T
V
a
rious audio and video devices may be connected via the SCAR
T ter
m
inals.
Basic adjustment settings
A
V
input mode men
u items
List of A
V
men
u items to help y
ou with
operations
Contrast
Brightness
Colour
Tint
Sharpness
Ad
v
anced
C.M.S.
Colour T
emp
Blac
k
Monoc
hr
ome
Film Mode
I/P Setting
DNR
Picture
P
o
wer Sa
ve
No Signal off
No Operation off
A
u
to Installation
Pr
ogramme Setup
Child Loc
k
P
osition
WSS
4:3 Mode
Rotate
Languag
e
Tr
e
b
le
Bass
Balance
Surr
ound
Speaker
Input Select
A
udio Out
Cool Climate
Colour System
Audio
Power control
Setup
Option
PC input mode men
u items
List of PC men
u items to help y
ou with
operations
Contrast
Brightness
Red
Green
Blue
C.M.S.
Picture
P
o
wer Sa
ve
P
o
wer Mana
g
ement
Input Signal
A
u
to Sync.
Fine Sync.
Rotate
Languag
e
Audio
Power control
Setup
Option
Tr
e
b
le
Bass
Balance
Surr
ound
Speaker
A
udio Out
Cool Climate
11
LC-37HV4E
DIMENSIONS
545
82
87.5
305
545
305
87.5
948
117.5
117.5
587
697
110
200
183.5
200
408.5
1184
460.8
819.6
Unit: mm
Display
12
LC-37HV4E
REMOVING OF MAJOR PARTS
1.Take off the center and lower terminal covers.
2.Remove the two speaker fixing screws each and the speaker connecting terminal, and take off the speaker.
3.Remove the four stand fixing screws and take off the stand.
4.Remove the 19 cabinets A/B fixing screws and take off the cabinet B.
5.Remove the two Key PWB assembly fixing screws and the connector, and take off the Key PWB assembly.
6.Remove the Key PWB insulating sheet fixing screw and take off the Key PWB insulating sheet.
7.Remove the four Main PWB shield fixing screws and take off the Main PWB shield.
8.Remove the four stand angle fixing screws and take off the stand angle.
4
2
4
4
3
1
2
Speaker (left)
Stand
Terminal cover (center)
Terminal cover (lower)
Speaker (right)
P152
P151
5
6
7
8
Stand angle
Key PWB insulating sheet
Key PWB assembly
Main PWB shield
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