Samsung DVD-907, Service Manual

Page: 34 / 146

IC Descriptions
6-23 Samsung Electronics
SEG13
SEG14
SEG15
SEG16
KEYIN1
KEYIN2
KEYIN3
SRQ
TXD
RXD
CLOCK
NOR
MUTE2
MUTE1
VSS
VDD
S28
S29
S30
S31
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P30
P31
P32
P33
P34
P35
P36
P37
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
O
O
O
O
I
I
I
I
O
O
O
O
O
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
FLT DISPLAY SEGMENT 13
FLT DISPLAY SEGMENT 14
FLT DISPLAY SEGMENT 15
FLT DISPLAY SEGMENT 16
KEY INPUT 1
KEY INPUT 2
KEY INPUT 3
FRONT MICOM --> MAIN MICOM SEND REQUEST
FRONT MICOM --> MAIN MICOM TRNS. DATA
FRONT MICOM --> MAIN MICOM RECEIVE DATA
FRONT MICOM --> MAIN MICOM COMM. CLOCK
Function Key (Scart Jack)
Audio Mute 2
Audio Mute1
POWER +5V
FUNCTION PIN I/O NAME
PIN ASSIGNMENT
FUNCTION PIN I/O NAME
RST
WIDE
POWER LED
POWER
P40
P41
P42
P43
P44
P45
P46
P47
P50
P51
91
92
93
94
95
96
97
98
99
100
O
O
O
O
O
O
O
O
O
O
SYSTEM RESET
Function Key (Scart Jack)
SYSTEM POWER ON (
¡
H
¡–
ACTIVE)