Orion DTV2784 Service Manual page 27

OEC7144A (IC101)
No. Pin name
48 P46/CS2
49 P45/CS1
50 P44/CS0
51 P43/A19 AUDIO MUTE
52 P42/A18
53 P41/A17
54 P40/A16
VIDEO MUTE
55 P37/A15
EEPROM_SCL
56 P36/A14
EEPROM_SDA
57 P35/A13
58 P34/A12
59 P33/A11
60 P32/A10
61 P31/A9
62 Hsync
HD
63 P30/A8
64 Vsync VD
65 P27/A7
66 P26/A6
67 P25/A5
68 P24/A4
69 P23/A3
70 P22/A2
71 P21/A1
72 P20/A0
73 P17/D15
74 P16/D14
75 P15/D13
76 P14/D12
77 P13/D11
78 P12/D10
S
79 P11/D9
80 P10/D8
81 P07/D7
TV POWER
82 P06/D6
83 P05/D5
DTV POWER
84 P04/D4
STAND BY-L
85 P03/D3 DEGAUSS
86 P02/D2
IIC_OFF
87 P01/D1
PROTECT
88 P00/D0
H_CTL
89 P107/AN5/DIGR2
E0-LEAK
90 P106/AN4/DIGG2
91 P105/AN3/DIGB2
AFT_MAIN
92 P104/AN2
KEY B
93 P103/AN1
KEY A
94 P102/AN0
X-RAY
95 VHOLD2
VHOLD2
96 HLF2
HLF2
97 CVin2
CVIN2
98 TVSETB TVSETB
99 VCCE
VCC(5V)
100 CVin1
CVIN_MAIN
IC DESCRIPTION
Symbol Logic
I/O
O -
O -
O -
O 1
O -
O -
O 1
O 1
I/O 1
O -
O -
O -
O -
O -
I -
O -
I -
O -
O -
O -
O -
O -
O -
O -
O -
O -
O -
O -
O -
O -
I 0
O -
O -
O 1
O -
O 1
O 0
O 1
I 0
O 1
O 1
I 1
O -
I -
I -
I -
I 1
I -
O -
I -
I -
Power
-
supply
I -
Function
Not used.
Not used.
Not used.
Volume MUTE output.
Not used.
Not used.
Image MUTE output.
IIC CLOCK output for EEPROM.
IIC DATA I/O for EEPROM.
Not used.
Not used.
Not used.
Not used.
Not used.
HSYNC input for OSD.
Not used.
VSYNC input for OSD.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
Not used.
S jacks input of distinction input.
Not used.
Not used.
TV POWER control output.
Not used.
Power SW of Digital Module
SUB power supply control terminal.
Degauss control output
IIC BUS STOP input for adjustment.
Control H Pulse
Control H Pulse
E0 LEAK Detection
Not used.(L output)
AFT voltage input for tuning in.
Main unit key input.
Main unit key input.
X-RAY Detection
Condenser of slicer.
Filter of slicer.
Not used.
It connects it with VSS.
5V
Video signal input
F-2
Option When unused
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS PU
C-MOS PU
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
- -
C-MOS OPEN
- -
C-MOS -
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS PU
C-MOS PU
C-MOS PU
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS OPEN
C-MOS PU
C-MOS PU
C-MOS PU
C-MOS PD
C-MOS OPEN
C-MOS PU
Nch-OD PU
Nch-OD PU
Nch-OD PD
- PD
- PD
- PU
- VSS
- -
- -