Sharp LL-T17A3 (serv.man6) Service Manual ▷ View online
LL-T17A3
BLOCK DIAGRAM
4 – 1
CHAPTER 4. BLOCK DIAGRAM
■
■
■
■
GENERAL
■
■
■
■
POWER SUPPLY
AC Outlet
Adaptor
Main Board
Inverter
Control
Brightness
TFT
LCD
Panel
Digital
Signal
Anal og
Signal
Video Card
12V
12V
Display Board
Speak er
Audio
DC TO DC
CONVERTER
IC 03 2933
IC 03A D 9883
IC 01ASIC
AM 1010A
+5 VX
LVDS
TRANS
SWITCH
SWITCH
SWITCH
+3 .3VX
DC TO DC
CONVERT ER VLCD
TFT PANEL
POWER
TO CPU CONTROL
POWER SWITCH
LL-T17A3
BLOCK DIAGRAM
4 – 2
■
■
■
■
MAIN SECTION
IIC
Power
management
ADC
C lamp
Video gain
Video level
R 8
G 8
B 8
R
G
B
H
V
SCL
SCL
DATACLK
HSOUT
VSOUT
SOGOUT
IC
05
MTV230
IC 04
EEPROM
ISCL
ISDA
+ 5V
+3.3V
IC03
TLC2933
O utput
Sync-processor
and clock
generator
generator
Control
Register
Digital
Data
Processor
Control
Center
Scaling
D ithering
OSD
IC02 AM101A-2
EEPROM
Interface
Input mode
Detection &
Calibration
IC 07
VC LK1
FC LK1
HSOUT
VSOUT
OSD-R
G B
POWER
CONTROL
+12V
LVD S
TF T LCD
Modul e
IC 20
Signal
Speaker
IC 01 AD 9883
Sync processor and
clock generator
input
Sync-processor and
clock generator
Audio
Audio AMP.
LL-T17A3
BLOCK DIAGRAM
4 – 3
■
■
■
■
CONNECTOR SIGNAL NAME
Connector W01
Connector W02
Connector W04
Connector W05
Connector W06
Connector W09
Connector W10
1
Red
2
Green
3
Blue
4
Ground
5
Ground
6
R-GND
7
G-GND
8
B-GND
9
+5V
10
Ground
11
N.C
12
(SDA)
13
H-sync
14
V-sync
15
(SCL)
1
12V
2
GND
1
POW1
2
GND
3
LED1
4
LED2
5
SN1
6
SN2
7
NU
8
3.3VX
1
N.C
2
CON
3
VEE
4
GND
5
VDD
1
RXO0-
2
RXO0+
3
TXO3+
4
TXO3-
5
TXOCK+
6
TXOCK-
7
GND
8
TXO2+
9
TXO2-
10
TXO1+
11
TXO1-
12
GND
13
TXO0+
14
TXO0-
15
TXE3+
16
TXE3-
17
GND
18
TXECK+
19
TXECK-
20
TXE2+
21
TXE2-
22
GND
23
TXE1+
24
TXE1-
25
TXE0+
26
TXE0-
27
GND
28
LCD5V
29
LCD5V
30
LCD5V
1
GND
2
L
3
GND
4
R
5
GND
1
R-
2
R+
3
L+
4
L-
Display