(No.YA385)1-11
2.5.6 SUB (CHASSIS) CPU PIN FUNCTION [
IC7001
: DIGITAL SIGNAL PWB ASS'Y]
Pin
Pin name
I/O
Function
Pin
Pin name
I/O
Function
1
LCD_PRO
I
Not used
51
BS_TXD
O
Not used : Data transmission for digital tuner communication
2
P_MU
O
Picture muting [Muting = H]
52
BS_RXD
I
Not used : Data receive for digital tuner communication
3
FUNC_LED
O
Not used
53
CD_INT
O
Not used : Data transmission for CARD data
4
A_MUTE
O
Audio muting [Muting = H]
54
VREF+
I
3.3V power supply
5
M_MUTE
O
Audio muting (for DUBBING OUT) [Muting = H]
55
PDP_TX
O
Data transmission for SUB (DRIVE) CPU communication
6
PC_SEL
O
RGB(PC) INPUT select
56
PDP_RX
I
Data receive for SUB (DRIVE) CPU communication
7
DIMMER_LED
O
POWER INDICATOR (LED) brightness [LOW = L]
57
SDA0
I/O Data for Inter IC (serial) bus : EEP-ROM (IC7002)
8
ILA0
O
Not used : LCD back light lighting
58
SCL0
O
Clock for Inter IC (serial) bus : EEP-ROM (IC7002)
9
ILA1
O
Not used : LCD panel overshoot refresh timing
59
SDA_DVI
I/O Not used : Data for Inter IC (serial) bus for panel communication
10
ILA2
O
Not used
60
SCL_DVI
O
Not used : Clock for Inter IC (serial) bus for panel communication
11
POW_LED
O
POWER LED lighting [ON = L]
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 (OSD) CPU communication
63
AGC
I
AGC voltage level detection
14
MI_TX
I
Data receive for MAIN (OSD) CPU communication
64
EXT_YS1
I
External YS1 signal detection
15
MI_RX
O
Data transmission for MAIN (OSD) CPU communication
65
EXT_YS2
I
External YS2 signal detection
16
MI_REQ
O
Data request for MAIN (OSD) CPU communication [Request = L]
66
VDD
I
3.3V power supply
17
VDD
I
3.3V power supply
67
DIGI_PRO
O
Not used: for DIGITAL-IN (HDMI)
18
FOSC
O
Not used (NC)
68
GR_RST
O
Not used (NC)
19
VSS
-
GND
69
GRON
O
Not used (NC)
20
X1
I
Not used : Low speed oscillatior
70
SYNC_SEL
O
Not used : Sync select for digital tuner
21
X0
O
Not used : Low speed oscillatior
71
CD_SCL
O
Not used : Clock for Inter IC (serial) bus for CARD comunication
22
VDD
I
3.3V power supply
72
CD_SDA
O
Not used : Data for Inter IC (serial) bus for CARD comunication
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/RT5
I
Clock for writing on board (connect CN01P : for Frash ROM type)
25
MODE
I
Single chip mode [H = Fixed]
75
NMI
I
3.3V power supply
26
BS1.5CTL
O
Not used : Digital tuner power / reset control
76
COMP
I
Not used : AV COMPULINK lll control
27
A92RES
O
Reset for IC1001(3D YC SEP / COLOUR DEMODULAT) [Reset = H]
77
REMO
I
Remote control
28
BS_RST
O
Not used : Reset for Digital tuner power / reset control [Reset = L]
78
MICON_V
I
V. sync pulse
29
LIP_RST
O
Not used: Reset for Sound delay (Lip sync)
79
WAKE
I
Reset for sub(chassis) CPU from MAIN CPU [Reset = L]
30
DIN_DTB
O
Not used
80
POWERGOOD
I
Power error detection [NG = H]
31
VMUTE
I
Interrupt detection [Detect = H]
81
REC_LED
O
LAMP LED lighting [ON = L]
32
VOUTENB
O
Not used : Video cutoff for digital tuner [OFF = L]
82
RESET
I
Reset for sub(chassis) CPU [Reset = L]
33
MDR_CON
I
Not used : System cable connection monitor for 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
PFC_POWE
O
Not used : Digital tuner power control
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_POWE
O
Power control for low bias line
87
SDA3B
I/O Data for Inter IC (serial) bus control
38
NC
O
Not used (NC)
88
DIGI_SYNCSEL
O
Not used
39
HOTPLUG
I
Not used : Video communiation monitor for receiver unit (PDP)
89
DIGI_LRSW
O
For DIGITAL-IN (HDMI)
40
MECA_SW
I
Mechanical monitor for POWER switch
90
DIGI_HP
I
Reset for HDMI process [Reset = L ]
41
MAIN_PW
O
Main power control [ON = L]
91
DVI_RST
O
Not used : Reset for DVI format conversion
42
MSP_RST
O
Reset for
IC1101
(MULTI SOUND PROCESS) [Reset = L]
92
VSS
-
GND
43
VREF-
I
Not used
93
SCL5055
O
Clock for Inter IC (serial) bus : IC3001 (DIST process)
44
AFT2
I
Not used : AFT voltage for sub tuner
94
VFORMSEL
O
Not used : Digital tuner clock control
45
AFT1
I
AFT voltage for VHF/UHF tuner
95
SDA5055
I/O Data for Inter IC (serial) bus : IC3001 (DIST process)
46
KEY2
I
Not used
96
OSD_SEL
O
Not used : OSD mode select
47
KEY1
I
Not used
97
NC
O
Not used (NC)
48
NC
O
Not used
98
MCmp/OTH
O
Main video select
49
REC_RSV_LED
O
Not used
99
DsyncSW1
O
Sync select for DIGITAL-IN [Cotrolled with 36-pin]
50
AC_IN
I
Not used : AC 50/60Hz detect
100
57 BUSY
I
Busy monitor for IC4001 (New DIST process)
