Read Sharp LC-37AD5E (serv.man5) Service Manual online
LC-37AD5E
5 – 17
Pin No.
Pin Name
I/O
Pin Function
Digital audio ball assignment
AF17
AF17
SCLK
O
Serial clock (5 V tolerant)
AE17
PCMDATA1
O
PCM data out (5 V tolerant)
AE16
PCMCLK
I/O
External PCM clock input or internal PCM clock output (5 V tolerant)
AF18
LRCLK
O
Left/right clock (5 V tolerant)
AD16
SPDIF
O
Digital audio output (5 V tolerant)
Audio/video core SDRAM ball assignment (SMI)
AD26, AB25, AB24,
AC25, AE26, AB23,
AE25, AF26, AD25,
AF25, AE24, AF24,
AF23, AE23.
AD26, AB25, AB24,
AC25, AE26, AB23,
AE25, AF26, AD25,
AF25, AE24, AF24,
AF23, AE23.
SMIADDR[13:0]
O
SDRAM address bus.
U26, U25, R23, V26,
V25, T23, V24, V23,
W26, W25, Y25, Y26,
Y23, AB26, Y24, AC26.
V25, T23, V24, V23,
W26, W25, Y25, Y26,
Y23, AB26, Y24, AC26.
SMIDATA[15:0]
I/O
SDRAM data bus.
T24
not SMICS0
O
SDRAM chip select for 1st SDRAM.
T25
not SMICS1
O
SDRAM chip select for 2nd 16 Mbit SDRAM.
T26
not SMICAS
O
SDRAM column address strobe.
R24
not SMIRAS
O
SDRAM row address strobe.
R25
not SMIWE
O
SDRAM write enable.
P26
SMIMEMCLKIN
I
SDRAM memory clock input.
R26
SMIMEMCLKOUT
O
SDRAM memory clock output.
P24
SMIDATAML
O
SDRAM data bus lower byte enable
P25
SMIDATAMU
O
SDRAM data bus upper byte enable
IEEE 1284 ball assignment
B15, A15, D16, C16, B16,
B17, C17, D17
B15, A15, D16, C16, B16,
B17, C17, D17
P1284DATA[7:0]
I/O
1284 AV data (5V tolerant).
C15
notP1284SELECTIN
I/O
1284 AV control signals (5V tolerant).
D15
notP1284INIT
I/O
A14
notP1284FAULT
I/O
B14
notP1284AUTOFD
I/O
C14
P1284SELECT
I/O
D14
P1284PERROR
I/O
D13
P1284BUSY
I/O
D12
notP1284ACK
I/O
D11
notP1284STROBE
I/O
Interrupt ball assignment
T4, R4, T3, R3
T4, R4, T3, R3
INTERRUPT[3:0]
I/O
External interrupts (5 V tolerant)
Analog audio DAC (digital-to-analog converter) ball assignment
AE1
AE1
OUTPLEFT
O
Left channel, differential positive current output
AC1
OUTMLEFT
O
Left channel, differential negative current output
AD1
OUTPRIGHT
O
Right channel, differential positive current output.
AB1
OUTMRIGHT
O
Right channel, differential negative current output.
Analog video DAC ball assignment
AF12
AF12
ROUT
O
Red output.
AF11
GOUT
O
Green output.
AF13
BOUT
O
Blue output.
AF8
COUT
O
Chroma output.
AF9
CVOUT
O
Composite video output.
AF10
YOUT
O
Luma output.
Digital video ball assignment
AD22
AD22
not HSYNC
I/O
Horizontal sync (5V tolerant).
AE22
EVEN not ODD
I/O
Vertical sync (5V tolerant).
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