(No.YA100)1-9
2.3.3 SUB (CHASSIS) CPU PIN FUNCTION [IC7001 = DIGITAL SIGNAL PWB ASS'Y : RECEIVER UNIT]
Pin
Pin name
I/O
Function
Pin
Pin name
I/O
Function
1
LB_PRO
O
Not used
51
BS_TXD
O
Data transmission for digital tuner communication
2
P_MU
O
Picture muting [Muting = H]
52
BS_RXD
I
Data receive for digital tuner communication
3
JP_CSB
O
Not used
53
NC
O
Not used
4
A_MU
O
Audio muting (for AUDIO OUT) [Muting = H]
54
VREF+
I
3.3V power supply
5
M_MU
O
Audio muting (for MONITOR OUT) [Muting = H]
55
PDP_TX
O
Data transmission for panel CPU communication
6
PC_SEL
O
RGB(PC) INPUT select [ON = H]
56
PDP_RX
I
Data receive for panel CPU communication
7
ON_TIMER
O
POWER INDICATOR (LED) brightness [LOW = L]
57
SDA0
I/O Data for Inter IC (serial) bus : sub memory (IC7002)
8
ILA0
O
Not used
58
SCL0
O
Clock for Inter IC (serial) bus : sub memory (IC7002)
9
ILA1
O
Not used
59
SDA_DVI
I/O Data for Inter IC (serial) bus for panel communication
10
ILA2
O
Not used
60
SCL_DVI
O
Clock for Inter IC (serial) bus for panel communication
11
POW_LED
O
POWER LED lighting [ON = H]
61
AVSS
-
GND
12
WORD
O
Not used
62
DIGI_PHOT
I
Photo sensor for DIGITAL-IN illegal copy protection
13
MI_CK
I
Clock for main CPU communication
63
AGC
I
Not used
14
MI_TX
I
Data receive for main CPU communication
64
EXT_YS1
I
Not used
15
MI_RX
O
Data transmission for main CPU communication
65
EXT_YS2
I
Not used
16
MI_REQ
O
Data request for main CPU communication [Request = L]
66
VDD
I
3.3V power supply
17
VDD
I
3.3V power supply
67
DIGI_PRO
O
DIGITAL-IN voltage detection [Detection = H]
18
FOSC
O
Not used
68
GCR_RST
O
Not used
19
VSS
-
GND
69
GR_ON
O
Not used
20
X1
I
3.3V power supply
70
SYNC_SEL
O
Multi screen control [Digital = L]
21
X0
O
Not used
71
NC
O
Not used
22
VDD
I
3.3V power supply
72
NC
O
Not used
23
OSC1
I
System clock osillation (crystal) : 16MHz
73
SBD5
I/O Data for writing on board (connect CN01P : for Frash ROM type)
24
OSC0
O
System clock osillation (crystal) : 16MHz
74
SBT5
I
Clock for writing on board (connect CN01P : for Frash ROM type)
25
MODE
I
3.3V power supply
75
NMI
I
3.3V power supply
26
BS1.5CTL
O
Digital tuner power control [ON = H]
76
COMP
I
Not used
27
A92RES
O
Reset for IC1001(3D YC SEP / COLOR DEMODULAT) [Reset = H]
77
REMO
I
Remote control
28
BS_RST
O
Reset for Digital tuner [Reset = L]
78
VSYNC
I
V. sync pulse
29
LIP_RST
O
Not used
79
WAKE
I
Sleep mode release for sub(chassis) CPU [Release = L]
30
SOFT_OFF
O
Not used
80
POWERGOOD
I
Power error detection NG = H]
31
VMUTE
I
Picture muting request from digital tuner [Muting = L]
81
NC
O
Not used
32
VOUTENB
O
Video cutoff for digital tuner [Cufoff = H]
82
RST
I
Reset for sub(chassis) CPU [Reset = L]
33
MDR_CON
I
System cable connection monitor for display unit (PDP)
83
VDD
I
3.3V power supply
34
AVDD
I
3.3V power supply
84
SCL3A
O
Clock for Inter IC (serial) bus control
35
BS_POW
O
Not used
85
SDA3A
I/O Data for Inter IC (serial) bus control
36
DsyncSW2
O
Sync select for DIGITAL-IN [Cotrolled with 99-pin]
86
SCL3B
O
Clock for Inter IC (serial) bus control
37
LB_POW
O
Not used
87
SDA3B
I/O Data for Inter IC (serial) bus control
38
NC
O
Not used
88
DIGI_SYNCSEL
O
Not used
39
HOTPLUG
I
Video communiation monitor for display unit (PDP)
89
DIGI_LRSW
O
DIGITAL-IN control
40
MECA_SW
I
Mechanical monitor for POWER switch [Push = L]
90
DIGI_INT
I
Reset for HDMI process [Reset = L ]
41
MAIN_POW
O
Main power control [ON = L]
91
DVI_RST
O
Reset for DVI format conversion
42
MSP_RST
O
AUDIO OUT output mode select [VARIABLE = L]
92
VSS
-
GND
43
VREF-
I
Standard Voltage (0V) power supply
93
SCL5055
O
Clock for Inter IC (serial) bus : JCC5055 (DIST process)
44
AFT2
I
Not used
94
VFORMATSEL
O
Not used
45
AFT1
I
AFT voltage for VHF/UHF tuner
95
SDA5055
I/O Data for Inter IC (serial) bus : JCC5055 (DIST process)
46
KEY2
I
Not used
96
OSD_MODE_SEL
O
Not used
47
KEY1
I
Not used
97
NC
O
Not used
48
NC
O
Not used
98
15K/OTH
O
Main video select [Fixed H]
49
NC
O
Not used
99
DsyncSW1
O
Sync select for DIGITAL-IN [Cotrolled with 36-pin]
50
AC_IN
I
AC power pulse for timer clock
100
57 BUSY
I
Busy monitor for JCC5057 (RGB process)
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