Read Sharp LC-42XD1E (serv.man6) Service Manual online
LC-42XD1E/RU
5 – 18
D5, C5, D6, B3, A2, B2,
A3, B4, A4, C6, B5, A5,
D7, C7, B6, A6, B7, A7,
D9, C9, B9, A9, B10, C11
A3, B4, A4, C6, B5, A5,
D7, C7, B6, A6, B7, A7,
D9, C9, B9, A9, B10, C11
EMIADDR[25:2]
O
External common address bus
EMIA[23-2]
(D5,C5=NC)
(D5,C5=NC)
J3
notEMIREQGNT
O
Bus request/grant indicator
NC
K4
notEMIACKREQ
I
Bus grant/request indicator (5 V tolerant)
L4
EMIBOOTMODE0
I
External power-up port size indicator (5 V tolerant)
G1
EMISDRAMCLK
O
SDRAM clock
EMICLK
J4
EMIFLASHCLK
O
Peripheral clock
NC
W1, U4, U2, U1, R2, R1,
T2, T1
T2, T1
PIO0[7:0]
I/O
Parallel input/output pin or alternative function (5 V tol-
erant)
(U1:MUTE,R2:VIDEOOFF,R1:MDMRESET,T2:FERE-
SET,T1:CIRESET)
erant)
(U1:MUTE,R2:VIDEOOFF,R1:MDMRESET,T2:FERE-
SET,T1:CIRESET)
AB4, Y2, AA1, Y1, W3,
U3, W2, W4
U3, W2, W4
PIO1[7:0]
I/O
(W2:TVRX,W4:TVTX)
AF3, AD5, AE3, AE5, AF2,
Y3, AA3, AF1
Y3, AA3, AF1
PIO2[7:0]
I/O
(AF3:ASPECT,AD5:IRQ,AA3:GPIO1,AF1:GPIO0)
AE18, AE4, AC16, AC12,
AE6, AC11, AC5, AE12
AE6, AC11, AC5, AE12
PIO3[7:0]
I/O
(AE6:TVSCL,AC11:TVSDA,AC5:I2CSCL,AE12:I2CSDA
)
)
AE20, AD20, AF20, AE19,
AC17, AD18, AD17, AF19
AC17, AD18, AD17, AF19
PIO4[7:0]
I/O
(AE20:27MHzPWM,)
AC22, AF22, AD21, AC21,
AE21, AC18, AC20, AF21,
AE21, AC18, AC20, AF21,
PIO5[7:0]
I/O
(AD21:RXD,AC21:TXD,AF21:IR)
AF17
SCLK
O
Serial clock (5 V tolerant)
NC
AE17
PCMDATA1
O
PCM data out (5 V tolerant)
NC
AE16
PCMCLK
I/O
External PCM clock input or internal PCM clock output
(5 V tolerant)
(5 V tolerant)
NC
AF18
LRCLK
O
Left/right clock (5 V tolerant)
TL4027
AD16
SPDIF
O
Digital audio output (5 V tolerant)
SPDIF
AD26, AB25, AB24, AC25,
AE26, AB23, AE25, AF26,
AD25, AF25, AE24, AF24,
AF23, AE23
AE26, AB23, AE25, AF26,
AD25, AF25, AE24, AF24,
AF23, AE23
SMIADDR[13:0]
O
SDRAM address bus
SMIA[13-0]
U26, U25, R23, V26, V25,
T23, V24, V23, W26, W25,
Y25, Y26, Y23, AB26,
Y24, AC26
T23, V24, V23, W26, W25,
Y25, Y26, Y23, AB26,
Y24, AC26
SMIDATA[15:0]
I/O
SDRAM data bus
SMID[15-0]
T24
notSMICS0
O
SDRAM chip select for 1st SDRAM
SMICS
T25
notSMICS1
O
SDRAM chip select for 2nd 16 Mbit SDRAM
T26
notSMICAS
O
SDRAM column address strobe
SMICAS
R24
notSMIRAS
O
SDRAM row address strobe
SMIRAS
R25
notSMIWE
O
SDRAM write enable
SMIWE
P26
SMIMEMCLKIN
I
SDRAM memory clock input
R26
SMIMEMCLKOUT
O
SDRAM memory clock output
SMICLK
P24
SMIDATAML
O
SDRAM data bus lower byte enable
SMIDQML
P25
SMIDATAMU
O
SDRAM data bus upper byte enable
SMIDQMI
B15, A15, D16, C16, B16,
B17, C17, D17
B17, C17, D17
P1284DATA[7:0]
I/O
1284 AV data (5 V tolerant)
NC
C15
notP1284SELECTIN
I/O
1284 AV control signals (5 V tolerant)
NC
D15
notP1284INIT
I/O
NC
A14
notP1284FAULT
I/O
NC
B14
notP1284AUTOFD
I/O
NC
C14
P1284SELECT
I/O
NC
D14
P1284PERROR
I/O
NC
D13
P1284BUSY
I/O
NC
D12
notP1284ACK
I/O
NC
D11
notP1284STROBE
I/O
NC
T4, R4, T3, R3
INTERRUPT[3:0]
I/O
External interrupts (5 V tolerant)
MODEMIRQ, TL4003,
CIIRQ1, CIIRQ0
CIIRQ1, CIIRQ0
AE1
OUTPLEFT
O
Left channel, differential positive current output
LEFTP
AC1
OUTMLEFT
O
Left channel, differential negative current output
LEFTM
AD1
OUTPRIGHT
O
Right channel, differential positive current output
RIGHTP
AB1
OUTMRIGHT
O
Right channel, differential negative current output
RIGHTM
AF12
ROUT
O
Red output
R
AF11
GOUT
O
Green output
G
AF13
BOUT
O
Blue output
B
Pin No.
Pin Name
I/O
Pin Function
NET NAME
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