Service manual

30
87109654321
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D
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LC-37HV4U
LC-37HV4D
BLOCK DIAGRAM
LCD
P
LCD Back Light
Monitor
DVI Connector (24pin)
(TMDS)
SC2201 (ZA017WJ)
•
TMDS 3X4
•
DDC 6
• Audio L, R
• Main Correspondence UART
• FLASH Write Control
• Power Control
•
Detection ( Cable Connection, AVC System Start-up, A
C
• Remote Control Signal for SR
System Connector (
2
SC2202 (Z2015C
(TMDS)
A
U
Power Contr
o
DVI Receiver
SII861
QFP208 (TMDS)
IC2206 (SII861)
OSD Contr
o
OS Driver Control
17 (Address, e
t
16 (Data)
SDRA
M
IC49
0
Dimmer Control, I
m
OFL1, 2
R RGB
8X3X2
L RGB
8X3X2
OSD RGB
RGB 8X3
RGB 8X3
TMDS 3X4
DDC
EEP128K
EEP32K
EEP1K
INITIAL
ROM
HDCP KEY
ROM
EDID
ROM
RGB 8X3
RGB 8X3
CONF
CTRL
CPLD
IC4303
(A345WJ)
SDRAM (OS_EVEN)
IC4702 (A312WJ)
CONF
FLASH
IC4301
Rewrite
Connector
Rewrite
Connector
16 (Data)
17 (Address, etc)
LCD Controller
BGA265pin
(LCDCONT)
IC4501 (A475WJ)
OS Driver (EVEN)
QFP208pin
(OS_EVEN)
IC4701 (A332WJ)
OS Driver (ODD)
QFP208pin
(OS_ODD)
IC4901 (A332WJ)
CLK