DOWNLOAD Sharp LC-19A1E (serv.man5) Service Manual ↓ Size: 9.03 MB | Pages: 31 in PDF or view online for FREE

Model
LC-19A1E (serv.man5)
Pages
31
Size
9.03 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Major IC Informations
File
lc-19a1e-sm5.pdf
Date
PREV: Sharp LC-19A1E (serv.man4) Service Manual

Sharp LC-19A1E (serv.man5) Service Manual ▷ View online

LC-19A1E-BK/WH
5 – 8
V4
ADCVDDC
—
Analogue power supply (1.5V) for C-ch A/D converters
B1.5V
V5
ADCVDDC
—
Analogue power supply (1.5V) for C-ch A/D converters
B1.5V
M4
ADCVSSA
—
Analogue ground for A-ch A/D converters 
GND
R4
ADCVSSB
—
Analogue ground for B-ch A/D converters 
GND
U4
ADCVSSC
—
Analogue ground for C-ch A/D converters 
GND
K5
SVSS1
—
Ground for substrate (Connect to Analogue Ground)
GND
T5
SVSS2
—
Ground for substrate (Connect to Analogue Ground)
GND
G1
PLL1VDD33A
—
The power supply for high multiply PLL (3.3V)
B3.3V
H2
PLL1VSS33A
—
Ground for high multiply PLL 
GND
AA23
PLL2VDD33A
—
The power supply (3.3V) for panel PLL
B3.3V
Y22
PLL2VSS33A
—
Ground for panel PLL
GND
R19
VDDBG33
—
The power supply (3.3V) for LVDS
B3.3V
T19
VDDLC33
—
The power supply (3.3V) for LVDS
B3.3V
U19
VDDLC33
—
The power supply (3.3V) for LVDS
B3.3V
N22
VSSBG33
—
Ground for LVDS
GND
P19
VSSBG33
—
Ground for LVDS
GND
R20
VSSLC33
—
Ground for LVDS
GND
R21
VSSLC33
—
Ground for LVDS
GND
T20
VSSLC33
—
Ground for LVDS
GND
T21
VSSLC33
—
Ground for LVDS
GND
U20
VSSLC33
—
Ground for LVDS
GND
U21
VSSLC33
—
Ground for LVDS
GND
V21
VSSLC33
—
Ground for LVDS
GND
D5
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
D6
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
D7
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
D16
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
D17
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
E5
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
E18
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
F19
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
G5
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
G19
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
H4
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
H5
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
J4
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
J5
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
J19
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
M19
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
M20
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
M21
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
W4
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
W5
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
W6
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
W7
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
W18
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
W19
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
Y17
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
Y19
V_IO
—
The buffer power supply (3.3V) for digital I/O
B3.3V
D9
SDVDD
—
The power supply (3.3V) for SDRAM 
B3.3V
E7
SDVDD
—
The power supply (3.3V) for SDRAM 
B3.3V
E17
SDVDD
—
The power supply (3.3V) for SDRAM
B3.3V
W8
SDVDD
—
The power supply (3.3V) for SDRAM
B3.3V
W9
SDVDD
—
The power supply (3.3V) for SDRAM
B3.3V
W15
SDVDD
—
The power supply (3.3V) for SDRAM
B3.3V
D12
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
D13
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
E10
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
E11
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
E13
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
E14
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
E15
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
W10
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
W11
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
Pin No.
Pin Name
I/O
Pin Function
sheet name
LC-19A1E-BK/WH
5 – 9
W12
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
W14
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
Y12
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
Y14
V_CORE
—
The power supply (1.5V) for a digital core
B1.5V
D8
G_OTHER
—
Digital ground
GND
E6
G_OTHER
—
Digital ground
GND
E8
G_OTHER
—
Digital ground
GND
E9
G_OTHER
—
Digital ground
GND
E12
G_OTHER
—
Digital ground
GND
E16
G_OTHER
—
Digital ground
GND
E19
G_OTHER
—
Digital ground
GND
F5
G_OTHER
—
Digital ground
GND
G4
G_OTHER
—
Digital ground
GND
H3
G_OTHER
—
Digital ground
GND
H19
G_OTHER
—
Digital ground
GND
K10
G_OTHER
—
Digital ground
GND
K11
G_OTHER
—
Digital ground
GND
K12
G_OTHER
—
Digital ground
GND
K13
G_OTHER
—
Digital ground
GND
K14
G_OTHER
—
Digital ground
GND
K19
G_OTHER
—
Digital ground
GND
L10
G_OTHER
—
Digital ground
GND
L11
G_OTHER
—
Digital ground
GND
L12
G_OTHER
—
Digital ground
GND
L13
G_OTHER
—
Digital ground
GND
L14
G_OTHER
—
Digital ground
GND
L19
G_OTHER
—
Digital ground
GND
L20
G_OTHER
—
Digital ground
GND
L21
G_OTHER
—
Digital ground
GND
M10
G_OTHER
—
Digital ground
GND
M11
G_OTHER
—
Digital ground
GND
M12
G_OTHER
—
Digital ground
GND
M13
G_OTHER
—
Digital ground
GND
M14
G_OTHER
—
Digital ground
GND
M23
G_OTHER
—
Digital ground
GND
N10
G_OTHER
—
Digital ground
GND
N11
G_OTHER
—
Digital ground
GND
N12
G_OTHER
—
Digital ground
GND
N13
G_OTHER
—
Digital ground
GND
N14
G_OTHER
—
Digital ground
GND
N19
G_OTHER
—
Digital ground
GND
P10
G_OTHER
—
Digital ground
GND
P11
G_OTHER
—
Digital ground
GND
P12
G_OTHER
—
Digital ground
GND
P13
G_OTHER
—
Digital ground
GND
P14
G_OTHER
—
Digital ground
GND
P20
G_OTHER
—
Digital ground
GND
P21
G_OTHER
—
Digital ground
GND
V19
G_OTHER
—
Digital ground
GND
W13
G_OTHER
—
Digital ground
GND
W16
G_OTHER
—
Digital ground
GND
W17
G_OTHER
—
Digital ground
GND
W20
G_OTHER
—
Digital ground
GND
W21
G_OTHER
—
Digital ground
GND
Y3
G_OTHER
—
Digital ground
GND
Y4
G_OTHER
—
Digital ground
GND
Y5
G_OTHER
—
Digital ground
GND
Y9
G_OTHER
—
Digital ground
GND
Y10
G_OTHER
—
Digital ground
GND
Y11
G_OTHER
—
Digital ground
GND
Y13
G_OTHER
—
Digital ground
GND
Y15
G_OTHER
—
Digital ground
GND
Y16
G_OTHER
—
Digital ground
GND
N21
FVCC
—
The power supply (3.3V) for flash memory 
B3.3V
Pin No.
Pin Name
I/O
Pin Function
sheet name
LC-19A1E-BK/WH
5 – 10
2.2. IC803 (VHiS24CS64A-1Y)
2.2.1 Block Diagram
2.2.2 Pin Connections and short description
M22
FVSS1
—
Ground for Flash memory
GND
N20
FVSS2
—
Ground for Flash memory
GND
A18
IVDD
—
Buffer power supply (3.3V) in an audio multiplex decoder I /O
B3.3V
B18
IVSS
—
Buffer ground in an audio multiplex decoder
GND
C18
DVDD
—
Digital core power supply (1.5V) in an audio multiplex decoder
B1.5V
D18
DVSS
—
Digital core ground for an audio multiplex decoder
GND
A22
AVDD_AD
—
A/D converter core power supply (3.3V) in an audio multiplex decoder
B3.3V
B21
AVSS_AD
—
A/D converter core ground in an audio multiplex decoder
GND
B22
AVDD_DA
—
D/A converter core power supply (3.3V) in an audio multiplex decoder
B3.3V
C21
AVSS_DA
—
D/A converter core ground in an audio multiplex decoder
GND
Pin No.
Pin Name
I/O
Pin Function
1
A0
I
Slave address input A0
2
A1
I
Slave address input A1
3
A2
I
Slave address input A2
4
GND
—
Ground.
5
SDA
I/O
Serial data input/output
6
SCL
I
Serial clock input.
7
WP
I
Write protect input
VCC Connection: Protect effective
GND Connection: Protect uneffective
8
VCC
—
Power supply.
Pin No.
Pin Name
I/O
Pin Function
sheet name
LC-19A1E-BK/WH
5 – 11
2.3. IC2001 (VHiPST8229N-1Y)
2.3.1 Block Diagram
2.3.2 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
1
OUT
O
Reset Signal Output Pin.
2
VDD
—
VDD Pin / Voltage Detect Pin
3
GND
—
Ground.
4
N,C
—
No Connection.
5
N,C
—
No Connection.
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