Read Sharp LC-52XL1E (serv.man5) Service Manual online
LC-46XL1E/RU, LC-52XL1E/RU
5 – 16
A1
RAMCKE
O
DRAM clock enable. (SDRAM-RAMCKE)
RAMCKE
B2
RAMCLK
O
DRAM clock output. (SDRAM-RAMCLK)
RAMCLK
C2
RAMCLK_N
O
DRAM clock output (inverted) (SDRAM-RAMCLK_N)
RAMCLK_N
K2
RAMDQS_3
I/O
Strobe signal. (SDRAM-RAMDQS_3)
RAMDQS_3
H1
RAMDQS_2
I/O
Strobe signal. (SDRAM-RAMDQS_2)
RAMDQS_2
E1
RAMDQS_1
I/O
Strobe signal. (SDRAM-RAMDQS_1)
RAMDQS_1
A5
RAMDQS_0
I/O
Strobe signal. (SDRAM-RAMDQS_0)
RAMDQS_0
B1
RAMCLKIN
I
Clock (RAMCLK) feed back. (SDRAM-RAMCLKIN)
RAMCLKIN
G7
SSTLVREF
I
SSTL2 Reference Voltage. (SDRAM-SSTLVREF)
SSTL
K20
SCL1
I
12C bus 1clock.
SCL1
IC3001
K21
SDA1
I/O
12C bus 1 data.
SDA1
IC3001
B18
SCL2
I
12C bus 2 clock. (no used)
BU3.3V
C18
SDA2
I/O
12C bus 2 data. (no used)
BU3.3V
H17
TRST
I
Test reset.
TRST
P2304 1pin
G17
TMS
I
Test mode select.
TMS
P2304 7pin
G8
TDO
O
Test data output.
TDO
P2304 5PIN
G16
TCLK
I
Test clock.
TCLK
P2304 9PIN
G9
TDI
I
Test data input.
TDI
P2304 3PIN
M20
CADC5
I
CADC analog source input. (KEY-1) (to key-unit)
KEY1
P2302 1pin
M21
CADC4
I
CADC analog source input. (TH3001)
PICAA1
TH3001
L21
CADC3
I
CADC analog source input. (OPCIN)
OPCIN
K22
CADC2
I
CADC analog source input. (KEY-2) (to key-unit)
IF-AGC/KEY2
P2302 2pin
L22
CADC1
I
CADC analog source input. (SLOW_SW1)
SLOWSW1
SC2702 3pin
L23
CADC0
I
CADC analog source input. (SLOW_SW2)
SLOWSW2
SC2703 3pin
N23
DPWM1
O
Display-PWM outputs. (PWMOUT-BRT-INV)
PWMOUT
INV
N22
DPWM2 O
—
NC
W23
DPWM3 O
—
NC
W22
VITUFE
O
V sync output of ITUE_FE.
NC
U3
NVM_22
O
NVM_[22:16] upper address bits (to-flash memory)
Pull-up and pull-down resistors must be used for boot-process
configuration
Pull-up and pull-down resistors must be used for boot-process
configuration
IC3503 2pin
—
M2
NVM_21
O
NVM_[22:16] upper address bits (to-flash memory)
IC3503 15Pin
—
M4
NVM_20
O
NVM_[22:16] upper address bits (to-flash memory)
IC3503 12Pin
—
L1
NVM_19
O
NVM_[22:16] upper address bits (to-flash memory)
IC3503 11pin
—
M1
NVM_18
O
NVM_[22:16] upper address bits (to-flash memory)
IC3503 18pin
—
N4
NVM_17
O
NVM_[22:16] upper address bits (to-flash memory)
IC3503 19pin
—
U1
NVM_16
O
NVM_[22:16] upper address bits (to-flash memory)
IC3503 54pin
—
U4
NVM_15
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 51pin
IC3504 26piN
T1
NVM_14
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 49piN
IC3504 27pin
T2
NVM_13
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 47pin
IC3504 29pin
T3
NVM_12
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 45pin
IC3504 30pin
T4
NVM_11
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 42pin
IC3504 32pin
R1
NVM_10
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 40piN
IC3504 33pin
R2
NVM_9
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 38pin
IC3504 35pin
R3
NVM_8
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 36pin
IC3504 36pin
R4
NVM_7
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 50pin
IC3504 37pin
P1
NVM_6
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 48pin
IC3504 38pin
P2
NVM_5
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 46pin
IC3504 40pin
P3
NVM_4
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 44pin
IC3504 41pin
P4
NVM_3
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 41pin
IC3504 43pin
N1
NVM_2
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 39piN
IC3504 44pin
N2
NVM_1
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 37pin
IC3504 46pin
N3
NVM_0
I/O
NVMD_[15:0] multiplexed address/data (to-flash memory)
IC3503 35pin
IC3504 47pin
L2
NVMOE_N
O
Output enable (active low)
IC3503 34pin
—
M3
NVMWE_N
O
Write enable (active low)
IC3503 13pin
—
U2
ENVMALE
O
Address latch enable.
NVMALE
IC3504 48pin
R7 REXT_LVDS S
External
Resistor
(6.2K
Ω, 1%)
AC8
PORT_A_29
I
Port A data RGB or LVDS (TA1-)
TA1-
SC2302 40pin
AB8
PORT_A_28
I
Port A data RGB or LVDS (TA1+)
TA1+
SC2302 39pin
AC7
PORT_A_27
I
Port A data RGB or LVDS (TB1-)
TB1-
SC2302 38pin
AB7
PORT_A_26
I
Port A data RGB or LVDS (TB1+)
TB1+
SC2302 37pin
AC6
PORT_A_25
I
Port A data RGB or LVDS (TC1-)
TC1-
SC2302 36pin
AB6
PORT_A_24
I
Port A data RGB or LVDS (TC1+)
TC1+
SC2302 35pin
AC5
PORT_A_23
I
Port A data RGB or LVDS (CK1-)
CK1-
SC2302 33pin
AB5
PORT_A_22
I
Port A data RGB or LVDS (CK1+)
CK1+
SC2302 32pin
Pin No.
Pin Name
I/O
Pin Function
Seet name
Destination
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