Read Sharp LC-52X20E (serv.man5) Service Manual online
LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU
5 – 38
2.20. IC9101 (RH-iXC121WJN8Q)
2.20.1 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
1
D3.3V
—
Power supply(+3.3V)
2
N_CPLD_CS0
I
HiDTV CS0
⋅⋅⋅ Flash
3
XERE
I
HiDTV PCI_BUS OE#
4
ROM_CE
I
BOOT ROM CE input
5
N_CPLD_CS1
I
HiDTV CS1
⋅⋅⋅ CPLD
6
XEWE
I
HiDTV PCI_BUS WE#
7
NC
O
HiDTV PCI_BUS ACK#
8
D3.3V
—
Power supply (+3.3V)
9
FRDA_0
I/O
For HiDTV PCI_BUS DATA0/CPLD control
10
FRDA_1
I/O
For HiDTV PCI_BUS DATA1/CPLD control
11
FRDA_2
I/O
For HiDTV PCI_BUS DATA2/CPLD control
12
FRDA_3
I/O
For HiDTV PCI_BUS DATA3/CPLD control
13
FRDA_4
I/O
For HiDTV PCI_BUS DATA4/CPLD control
14
FRDA_5
I/O
For HiDTV PCI_BUS DATA5/CPLD control
15
FRDA_6
I/O
For HiDTV PCI_BUS DATA6/CPLD control
16
FRDA_7
I/O
For HiDTV PCI_BUS DATA7/CPLD control
17
FRAA_0
I
HiDTV PCI_BUS ADDRESS0
18
GND_B
—
Ground
19
FRAA_1
I
For HiDTV PCI_BUS ADDRESS1/CPLD control
20
FRAA_2
I
For HiDTV PCI_BUS ADDRESS2/CPLD control
21
FRAA_3
I
For HiDTV PCI_BUS ADDRESS3/CPLD control
22
FRAA_4
I
For HiDTV PCI_BUS ADDRESS4/CPLD control
23
FRAA_5
I
For HiDTV PCI_BUS ADDRESS5/CPLD control
24
N_CPLD2_CNF_DONE
I
FPGA Config
25
FRAA_6
I
For HiDTV PCI_BUS ADDRESS6/CPLD control
26
FRAA_22
I
HiDTV PCI_BUS ADDRESS22
27
FRAA_23
I
HiDTV PCI_BUS ADDRESS23
28
FRAA_24
I
HiDTV PCI_BUS ADDRESS24
29
GND_B
—
Ground
30
SBCLK_27M
I
HiDTV PCI_BUS CLOCK (27MHz)
31
3.3V_DPOW_DETECT
I
DPOW system 3.3V detection
32
NACE_N
I
NAND-FLASH CE output
33
CODEC_RST
O
CODEC reset
34
N_VCCH_RST
O
HiDTV standby reset
35
N_COLD_RST
O
HiDTV main reset
36
GND_B
—
Ground
37
D3.3V
—
Power supply (+3.3V)
38
CPLD_33M
I
System clock (33MHz)
39
N_FLS_RST
O
On-Board Flash reset
40
N_EXT_RST
O
External Flash reset
41
N_EXT_BOOT
I
Flash start-up discrimination (H = On-Board, L = External)
42
D3.3V
—
Power supply(+3.3V)
43
ROM_ADD22
O
On-Board/External Flash ADDRESS22
44
ROM_ADD23
O
On-Board/External Flash ADDRESS23
45
ROM_ADD24
O
On-Board/External Flash ADDRESS24
46
N_ROM_OE
O
On-Board/External Flash OE#
47
GND_B
—
Ground
48
N_ROM_WE
O
On-Board/External Flash WE#
49
N_EXT_CE
O
External Flash CE#
50
N_FLS_CS0
O
On-Board Flash CE0#
51
N_CPLD_INT0
O
HiDTV (Level interrupt, Active Low)
52
N_CPLD_INT1
O
SVP_WX (Level interrupt, Active Low)
53
DSP_RST
O
DSP reset
54
N_TUNER_INT
INT
CE6353 (Level interrupt, Active Low)
55
D3.3V
—
Power supply (+3.3V)
56
VON
O
Inverter ON/OFF control
57
PE
O
PANEL controller control signal
58
A_MUTE_ADIF
I
HDMI_MUTE control signal
59
BUS_SPLIT
O
Slow bus/video bus enable (Isplation supported)
60
I2C_EXT
O
I2C bus enable (Isolation supported)
61
STB
O
Inverter ON/OFF control
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