DOWNLOAD Sharp LC-37RD2E (serv.man6) Service Manual ↓ Size: 1.52 MB | Pages: 30 in PDF or view online for FREE

Model
LC-37RD2E (serv.man6)
Pages
30
Size
1.52 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Major IC Informations
File
lc-37rd2e-sm6.pdf
Date

Sharp LC-37RD2E (serv.man6) Service Manual ▷ View online

LC-32RD2E/RU, LC-37RD2E/RU
6 – 25
Pin No.
Pin Name
I/O
Pin Function
JTAG ball assignment
AE14
TDI
I
Boundary scan test data input (5 V tolerant)
AC14
TMS
I
Boundary scan test mode select (5 V tolerant)
AF16
TCK
I
Boundary scan test clock (5 V tolerant)
AF14
not TRST
I
Boundary scan test logic reset (5 V tolerant)
AE13
TDO
O
Boundary scan test data output (5 V tolerant)
DCU ball assignment
P1
DCUTRIGGERIN
I
External trigger input to DCU (5 V tolerant)
P3
DCUTRIGGEROUT
O
Signal to trigger external debug circuitry (5 V tolerant)
Transport stream 2 ball assignment
C23
TSIN2LBYTECLK
I/O
Transport stream bit clock (5 V tolerant)
C22
TSIN2LBYTECLKVALID
I/O
Transport stream bit clock valid edge (5 V tolerant)
B23
TSIN2LERROR
I/O
Transport stream packet error (5 V tolerant)
D19
TSIN2LPACKETCLK
I/O
Transport stream packet strobe (5 V tolerant)
B18, C18, D18, C19, 
C20, D20, C21, D21
TSIN2LDATA[7:0]
I/O
Transport stream data (5 V tolerant)
(TSIN2LDATA7 is used for data input in serial mode)
Transport stream 1 ball assignment
P23
TSIN1BYTECLK
I
Transport stream bit/byte clock (5 V tolerant)
M24
TSIN1BYTECLKVALID
I
Transport stream bit/byte clock valid edge (5 V tolerant)
M26
TSIN1ERROR
I
Transport stream packet error (5 V tolerant)
N26
TSIN1PACKETCLK
I
Transport stream packet strobe (5 V tolerant)
K26, J25, H24, J24, L26, 
L25, L24, M23.
TSIN1DATA[7:0]
I
Transport stream data in (5 V tolerant)
(TSIN1DATA7 is used for data input in serial mode)
EMI ball assignment
L3
not EMIRAS or not CI_IORD
O
Row address strobe for SDRAM
K1
not_EMICAS or not_CI_IOW
O
Column address strobe for SDRAM
J1
not EMICSA 
O
Peripheral chip select A
K3
not EMICSB
O
Peripheral chip select B
K2
not EMICSC
O
Peripheral chip select C
N4
not EMICSD
O
Peripheral chip select D
J2
not EMICSE
O
Peripheral chip select E
L2
not EMICSF
O
Peripheral chip select F
L1, N3
not EMIBE[1:0]
O
External device data bus byte enable. 1 bit per byte of the data bus.
N1
notEMIOE or not_CI_OE
O
External device output enable.
N2
not EMILBA or not CI_Wea
O
Flash device load burst address.
P4
EMIWAIT not TREADY
I
External memory device target ready indicator (5 V tolerant)
P2
EMIRD not WR
O
External read/write access indicator. Common to all devices.
H3, H2, G2, H4, G4, E2, 
E1, E3, H1, D1, D2, C2, 
G3, C1, B1, A1.
EMIDATA[15:0]
I/O 
External common data bus.
D5, C5, D6, B3, A2, B2, 
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
J3
not EMIREQGNT
O
Bus request/grant indicator
K4
not EMIACKREQ
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
J4
EMIFLASHCLK
O
Peripheral clock
Programmable I/O ball assignment
W1, U4, U2, U1, R2, R1, 
T2, T1
PIO0[7:0]
I/O
Parallel input/output pin or alternative function (5 V tolerant)
AB4, Y2, AA1, Y1, W3, 
U3, W2, W4
PIO1[7:0]
I/O
AF3, AD5, AE3, AE5, 
AF2, Y3, AA3, AF1
PIO2[7:0]
I/O
AE18, AE4, AC16, AC12, 
AE6, AC11, AC5, AE12
PIO3[7:0]
I/O
AE20, AD20, AF20, 
AE19, AC17, AD18, 
AD17, AF19
PIO4[7:0]
I/O
AC22, AF22, AD21, 
AC21, AE21, AC18, 
AC20, AF21
PIO5[7:0]
I/O
LC-32RD2E/RU, LC-37RD2E/RU
6 – 26
Pin No.
Pin Name
I/O
Pin Function
Digital audio ball assignment
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.
SMIADDR[13:0]
O
SDRAM address bus.
U26, U25, R23, V26, 
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
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
INTERRUPT[3:0]
I/O
External interrupts (5 V tolerant)
Analog audio DAC (digital-to-analog converter) ball assignment
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
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
not HSYNC
I/O
Horizontal sync (5V tolerant).
AE22
EVEN not ODD
I/O
Vertical sync (5V tolerant).
LC-32RD2E/RU, LC-37RD2E/RU
6 – 27
2.12. IC4201/IC4702 (RH-iXB742WJZZQ)
2.12.1 Block Diagram
2.12.2 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
38
CLK
I
Active on the positive going edge to sample all inputs.
19
CS
I
Disables or enables device operation by masking or enabling all inputs except CLK, CKE and 
DQM.
37
CKE
I
Masks system clock to freeze operation from the next clock cycle.
CKE should be enabled at least one cycle prior to new command.
Disable input buffers for power down in standby.
23
A0
I
Row/column addresses are multiplexed on the same pins.
Row address: RA0-RA11,
Column address: CA0-CA7
24
A1
I
25
A2
I
26
A3
I
29
A4
I
30
A5
I
31
A6
I
32
A7
I
33
A8
I
34
A9
I
22
A10
I
35
A11
I
20, 21
BA0, BA1
I
Selects bank to be activated during row address latch time.
Selects bank for read/write during column address latch time.
18
RAS
I
Latches row addresses on the positive going edge of the CLK with RAS low.
Enables row access & precharge.
LC-32RD2E/RU, LC-37RD2E/RU
6 – 28
17
CAS
I
Latches column addresses on the positive going edge of the CLK with CAS low.
Enables column access.
16
WE
I
Enables write operation and row precharge.
Latches data in starting from CAS, WE active.
15
LDQM
I
Makes data output Hi-Z, tSHZ after the clock and masks the output.
Blocks data input when DQM active.
39
UDQM
I
2
DQ0
I/O
Data inputs/outputs are multiplexed on the same pins.
4
DQ1
I/O
5
DQ2
I/O
7
DQ3
I/O
8
DQ4
I/O
10
DQ5
I/O
11
DQ6
I/O
13
DQ7
I/O
42
DQ8
I/O
44
DQ9
I/O
45
DQ10
I/O
47
DQ11
I/O
48
DQ12
I/O
50
DQ13
I/O
51
DQ14
I/O
53
DQ15
I/O
1, 14, 27
VDD
Power for the input buffers and the core logic.
28, 41, 54
VSS
Ground for the input buffers and the core logic.
3, 9, 43, 49
VDDQ
Isolated power supply for the output buffers to provide improved noise immunity.
6, 12, 46, 52
VSSQ
Isolated ground for the output buffers to provide improved noise immunity.
40
N.C/RFU
This pin is recommended to be left No Connection on the device.
36
N.C
Pin No.
Pin Name
I/O
Pin Function
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