Read Sharp LC-37AD1E (serv.man12) Service Manual online
83
82
LC-37AD1E
12
11
10
9
8
7
6
5
4
3
2
1
A
B
C
D
E
F
G
H
SIGNAL BLOCK DIAGRAM (Display)
LCD BackLight
R RGB
L RGB
Thermistor
OFL1,2
8 x 3 x2
8 x 3 x 2
Gray Level
LCD Controller
IC4501 (A725WJ)
IC4501 (A725WJ)
Ope-Amp
IC4101(A706WJ)
IC4101(A706WJ)
RGB 8 x 3
OSD
RGB 8 x 3
Gray scale voltage bias
RGB
Conf.
Conf.
COM control
PROM
PROM
IC4703
Light control, Resolution control, Test pattern
IC4904
R/C UNIT
KEY UNIT
R/C, LED, OPC
16 (data)
OS Driver (EVEN)
OS Driver (ODD)
16 (data)
SDRAM (OS EVEN)
QFP 208pin
CLK
QFP 208pin
SDRAM (OS ODD)
IC4702 (A312WJ)
(OS EVEN)
(OS ODD)
IC4902 (A312WJ)
IC4701(A332WJ)
IC4901(A332WJ)
RGB 8 x 3
OSD drive control,
Chroma emphasis control
INITIAL
E
2
PROM (128k)
MPU
AUDIO UNIT
IC2202
DVI Receiver
OSD control
IC2004 (IXA201WJ)
Extension I/O
HDCP KEY
QFP 208pin (TMDS)
IC3804 (M62392FP)
IC2206 (SII861)
1-Bit Amp. Unit
IC2208
VOL.CONT.
(B2SX4102BU)
IC3803 (TA8184F)
EDID
Audio Out
RY3901
IC2203
IC2008
Audio L/R
Int. SP
TMDS 2 x 4
Ext.SP (L/R)
DVI Connector (24pin)
System Connector (20pin)
Audio Connector
(TMDS)
(TMDS)
(8 pin)
SC2201 (ZA017WJ)
SC2202 (Z2015CE)
Power PWB
(for monitor)
(for monitor)
J2201(DA016WJ)
•
TMDS 2 x 4
TV POW
•
DDC 3
∑
Main communication UART
∑
Power control
∑
Various detection (cable connection, AVC center startup, AC startup)
∑
FLASH write control
∑
Remote control signal for SR
AVC center
LCD Panel
17 (address etc.)
E
2
PRROM (32k)
E
2
PRROM (1k)
E
2
PROM(8k)
RGB 8 x 3
17 (address etc.)
•
Ext.SP Out
