Read Sharp LC-52XL1E (serv.man5) Service Manual online
LC-46XL1E/RU, LC-52XL1E/RU
5 – 19
C20
P25
I
CPU I/O PORT BL_ERR (from INV)
BL_ERR
P1701 5pin
B20
P24
I/O
CPU I/O PORT DTM_IRQ NC
DTM_IRQ
P2702 22pin
A20
P23
I
CPU I/O PORT CEC_IN (to IC2701)
CEC_IN
IC2701 6pin
B21
P22
O
CPU I/O PORT AVLINK,2_OUT (from Q2702)
AVL2_OUT
Q2702
A21
P21
I
CPU I/O PORT AVLINK2_IN (to Q2711)
AVL2_IN
Q2711
A22
P20
O
CPU I/O PORT PCON2 (to power-unit)
PCON2
SC1702 2pin
A23
P19
O
CPU I/O PORT PCON1 (to power-unit)
PCON1
SC1702 1pin
B22
P18
O
CPU I/O PORT AVLINK1_OUT (to Q***)
AVL1_OUT
Q***
B23
P17
I
CPU I/O PORT AVLINK1_IN (from Q***)
AVL1_IN
Q***
C21
P16
O
CPU I/O PORT FPGA_SDE (to IC1710)
FPGA_SDE
IC1710 66pin
C22
P15
O
CPU I/O PORT FPGA_SDA (to IC1710)
FPGA_SDA
IC1710 67pin
C23
P14
O
CPU I/O PORT FPGA_SCK (to IC1710)
FPGA_SCK
IC1710 64pin
D20
P13
O
CPU I/O PORT FPGA_SDA0 (to IC1710)
FPGA_SDA0
IC1710 69pin
D21
P12
O
CPU I/O PORT FAN_ERR (to power-unit)
FAN_ERR
SC1702 7pin
D22
P11
O
CPU I/O PORT MUTE_SP (to Q1101/2)
MUTE_SP
SC2703 19pin
D23
P10
O
CPU I/O PORT SV1JSW (IN3SW to IC1201)
SV1JSW
SC2703 20pijn
E20
P9
O
CPU I/O PORT STBY_POW (to key-unit)
STBY_POW
P2302 3pin
E21
P8
O
CPU I/O PORT CEC1_OUT (from IC2701)
CEC1_OUT
IC2701 13pin
E22
P7
O
CPU I/O PORT LED_POW_G (to R/C-unit)
LEDPOWG
P2303 5pin
E23
P6
O
CPU I/O PORT LED_POW_R (to R/C-unit)
LEDPOWER
P2303 6pin
F20
P5
I
CPU I/O PORT NVM_CE_N (to IC3503)
NVM_CE_N
IC3503 32pin
F21
P4
O
CPU I/O PORT HDMI_RESET (to IC1905)
HDMI_RST
IC1905 112pin
F22
P3
O
CPU I/O PORT LCD_POW (to power-unit)
LCD_POW
SC1702 8pin
F23
P2
I
CPU I/O PORT RXD (to RS232C-driver)
RXD
IC2301 15pin
G20
P1
O
CPU I/O PORT TXD (to RS232C-driver)
TXD
IC2301 13pin
G21
P0
O
CPU I/O PORT IRIN (to R/C-unit)
IRIN
P2303 4pin
U12, U16
VDDA18_ADC
S
Analog Supply power for ADC (1.8V)
BU+1.8V
U14, T17 VDDA33_ADC
S
Analog Supply power for ADC (3.3V)
BU+3.3V
K17
VDDA33_CADC
S
Analog Supply power for CADC (3.3V)
BU+3.3V
N17
VDD_PLL
S
Analog Supply power for PLL (1.8V)
BU+1.8V
U7
VDDPLLVDS
S
Analog Supply power for LVDSPLL (1.8V)
BU+1.8V
M7, J7,
U8, G12,
G13, L17,
M17
U8, G12,
G13, L17,
M17
VDDD
S
Core supply power (3.3V)
BU+3.3V
N7, U10
VDDP
S
Pad supply power (3.3V)
BU+3.3V
G10,
G11, K7,
L7
G11, K7,
L7
VDDPSD
S
DRAM interface supply power (2.5V)
BU+2.5V
P7, U9
VDDLVDS
S
LVDS supply power. (3.3V)
U11, U15 VSSA18_ADC
S
Analog ground for ADC.
GND
U13, U17 VSSA33_ADC
S
Analog ground for ADC.
GND
J17
VSSA33_CADC
S
Analog ground for CADC.
GND
P17
VSS_PLL
S
Analog ground for PLL.
GND
N14, P10,
P14, N14,
M14, L14,
K14, K13,
T7
P14, N14,
M14, L14,
K14, K13,
T7
VSS
S
Core & pad supply ground.
GND
K10, L10,
K12, K11,
M10
K12, K11,
M10
VSSPSD
S
DRAM interface supply ground.
GND
W20
NC
—
Not connected.
NC
Pin No.
Pin Name
I/O
Pin Function
Seet name
Destination
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