AV-48WP74
AV-56WP74
1-8 (No.52105)
2.3 TECHNICAL INFORMATION
2.3.1 MAIN MICRO COMPUTER (CPU) FUNCTION (MN102H75K)
Pin No.
Pin name
I/O
Function
1
NC
-
--------
2
/MICON_V
I
V.sync for OSD
3
LB_PRO
I
Low B protection detection
4
NC
-
--------
5
/RST
I
Main cpu reset input
6
NC
-
--------
7
/TEST
I
+3.3V
8
OSD_YS
O OSD Ys output
9
NC
-
--------
10
NC
-
--------
11
A_MU
O Audio muting
12
/MICON_H
I
H sync input
13
M_MU
O Monitor sound out muting
14
P46,OSDXI
-
Keep for OSD
15
P45,OSDXO
-
Keep for OSD
16
SDA2
I/O I
2
C bus (CLK) for MTS
17
AC_IN
I
AC (60Hz) input
18
SCL2
O I
2
C bus (DATA) for MTS
19
TU_POW
O Tuner power control
20
VCOI
I
LPF input
21
PDO
O LPF output
22
/IP_RESET
O Reset
23
OSD_YM
O OSD YM output
24
OSD_B
O OSD blue output
25
POWER_LED
O Lighting for POWER LED
26
OSD_G
O OSD green output
27
OSD_R
O OSD red output
28
VREF
I
--------
29
IP_ERR
I
AMDP program load detect.
30
IREF
I
--------
31
COMP
I
--------
32
AVDD
I
+3.3V
33
CLL
I
For sub CCD
34
VREFLS
I
STD VOL for sub CCD
35
SUB_CCD
I
For sub CCD
36
NC
-
--------
37
VSS
I
GND
38
MAIN_CCD
I
For main CCD
39
VREFHS
I
STD VOL for main CCD
40
CLH
I
For main CCD
41
VDD/VPP
O +3.3V
42
CLK SW1
O IP clock switch
43
CLK SW2
O IP clock switch
44
ON_TIM
O Lighting for ON TIMER
45
CONVER_RXD
O Convergence control
46
CONVER TXD
I
Convergence control
47
SBT1
I
--------
48
NC
-
--------
49
NC
-
--------
50
NC
-
--------
51
NC
-
--------
52
EE_ABL
O ACL control
53
CHROMA
O Chroma / gamma control
54
DC_COTL
O DC, control
55
NC
-
--------
56
NC
-
--------
57
TU2_AID
I
Main AFC input
58
/LOB_POW
O Low B power control
59
COMPULINK
I
AV COMPULINK lll input
60
/POWERGOOD
I
Power condition check
61
MECA_ON
I
Machine SW interrupt
62
/MAIN_POW
O Main power control
63
NC
-
--------
64
/B1 POW
O B1 power control
65
C/N
I
AFC voltage input
66
X_RAY
I
X-ray protection detection
67
NC
-
--------
68
KEY2
I
Front key input 2
69
KEY1
I
Front key input 1
70
SCL1
O I
2
C bus (CLK) for EEP-ROM
71
SDA1
I/O I
2
C bus (SDA) for EEP-ROM
72
REMO
I
Remote control input
73
NC
-
--------
74
VSS
I
GND
75
OSC2
O 4MHz clock oscillation
76
OSC1
I
4MHz clock oscillation
77
VDD
I
+3.3V
78
SCL0
O I
2
C bus (CLK) for general
79
AP_CLK
-
--------
80
SDA0
I/O I
2
C bus (SDA) for general
81
NC
-
--------
82
NC
-
--------
83
NC
-
--------
84
P_MU
O Picture muting
Pin No.
Pin name
I/O
Function
