Sharp LC-20DV20U Service Manual page 64

A B
8
7
FROM/TO SCALER
DR2
DR3
DR4
DR5
DR6
DR7
DR8
DR9
DG2
6
DG3
DG4
DG5
DG6
DG7
C7205
DG8
DG9
6.3V 220
DB2
DB3
DB4
DB5
DB6
DB7
DB8
DB9
DCLK1
5 DVS
DHS
DEN
4
3
FROM/TO REGULATAR
L7201
P.CON+3.3V
47uH NLC3225
LCD+B
L7202
2
47uH
L7203
NLC3225
47uH NLC3225
GND
1 CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A B
H-23
C
LVDS
IC7201
ICSV385AGLFT
W829 3.3 3.3
RS TxIN4
3.3 3.3
DR9
TxIN5 TxIN3
3.3 3.3
DR7
TxIN6 TxIN2
3.3 0
DG2
TxIN7 GND
0 3.3
GND TxIN1
3.3 3.3
DG3
TxIN8 TxIN0
3.3 3.3
DG4
TxIN9 TxIN27
3.3 0
DG8
TxIN10 LVDSGND
C7206
3.3 1.3
0.1 B
Vcc TxOUT0-
3.3 1.2
DG9
TxIN11 TxOUT0+
V-S
3.3 1.3
DG5
TxIN12 TxOUT1-
NR7201
4D03WGJ0470T5E
3.3 1.2
DG6
TxIN13 TxOUT1+
0 3.2
GND LVDSVcc
3.3 0
DG7
TxIN14 LVDSGND
3.3 1.2
DB2
TxIN15
TxOUT2-
1.3
3.3
DB8
TxIN16 TxOUT2+
0 1.2
R-FB TxCLKOUT-
24
3.3 1.3 4D03WGJ0470T5E
DB9
TxIN17 TxCLKOUT+
R7202
3.3 1.3
DB3
TxIN18 TxOUT3-
47
R7203
3.3 1.2
DB4
TxIN19 TxOUT3+
47
0 0
GND LVDSGND
0
3.3
DB5
PLLGND
TxIN20
3.3
3.3
DB6
TxIN21 PLLVcc
3.3 0
DB7
TxIN22 PLLGND
0
3.3
TxIN23 PWRDWN
NC
C7207
3.3 2.8
0.1 B
TxCLKIN
Vcc
3.3 3.3
DHS
TxIN24 TxIN26
0
DVS 3.3
TxIN25 GND
R7201
180
ARE CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D E
LVDS SCHEMATIC DIAGRAM
(SCALER PCB)
DR6
DR5
DR4
DR3
DR2
DR8
LCD_TXOUT0-
LCD_TXOUT0+
LCD_TXOUT1-
LCD_TXOUT1+
C7213
C7215
50V 1 V-S
0.1 B
LCD_TXOUT2-
LCD_TXOUT2+
LCD_TXCLKOUT-
LCD_TXCLKOUT+
NR7202
LCD_TXOUT3-
LCD_TXOUT3+
C7212
0.1 B
C7220
0.1 B
B7201
W811
DCLK1
FCM1608CF-600T06
DEN
C7217
0.1 B
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D E
F G
FROM/TO PANEL
CP7203
FI-X30S-HF-NPB
GND 1
LCD+B
VDD+5V/12V 2
VDD+5V/12V 3
VDD+5V/12V 4
VDD+5V/12V 5
6
GND
7
GND
8
GND
9
GND
W832
VDD+3.3V/NC/GND 10
NC NC/GND 11
12
GND
LCD_TXOUT0-
13
RXIN0-
LCD_TXOUT0+
14
RXIN0+
15
GND
LCD_TXOUT1-
16
RXIN1-
LCD_TXOUT1+
17
RXIN1+
18
GND
LCD_TXOUT2-
19
RXIN2-
LCD_TXOUT2+
20 LCD PANEL
RXIN2+
21
GND
CD7204
LCD_TXCLKOUT-
22 CHRU3002
RXCLK IN- LK260T3LF12
LCD_TXCLKOUT+
23
RXCLK IN+
24
GND
LCD_TXOUT3-
25
RXIN3-
LCD_TXOUT3+
26
RXIN3+
27
GND
NC VDD+3.3V/NC/GND 28
NC VDD+3.3V/NC/GND 29
W855
NC/GND 30
W834
VDD+3.3V/GND 31
GND 32
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F G
H
8
7
6
5
4
3
V2301
2
1
PCBDS0
CEF170
H
H-24