(No.YA328)1-5
2.2
MAIN CPU [MAIN PWB : IC701] PIN FUNCTION
Pin
No.
Pin name
I/O
Function
1
VssP2
-
GND
2
VssC4
-
GND
3
V1.8C4
I
1.8V (Digital)
4
V3.3A3
I
3.3V
5
VrefP_Sdac
I
3.3V (Positive)
6
VrefN_Sdac
-
GND
7
VrefP_Sdac
I
3.3V (Negative)
8
VrefN_Sdac
-
GND
9
VrefP_Sdac
I
3.3V (Positive)
10
XtalIn
I
24.576MHz for system clock
11
XtalOut
O 24.576MHz for system clock
12
VssA1
-
GND
13
NECK
I
V-guard input/ I/O switch
14
CONT
I
1.8V regulator control
15
V5P1
I
+5V
16
Ph2
-
Phase-2 filter
17
Ph1
-
Phase-1 filter
18
Gnd1
-
GND
19
SecPll
-
SECAM PLL decoupling
20
Dec8G
-
Bandgap decoupling
21
EW
O East-West drive output
22
VDRB-
O Vertical drive B output
23
VDRA+
O Vertical drive A output
24
Vif1
I
Video IF input 1
25
Vif2
I
Video IF input 2
26
Vsc
-
Vertical sawtooth capacitor
27
Iref
I
Reference current input
28
GndIF
-
GND
29
Sif1
I
Sound IF input 1
30
Sif2
I
Sound IF input 2
31
AGC
O Tuner AGC output
32
EHT
I
EHT/overvoltage protection input
33
Ssif/RefIn/Avl/RefOut O Automatic Volume Levelling/ sound IF input /
subcarrier reference output / external reference
signal input for I signalmixer for DVB operation
34
L3
I
Audio-L3 input (left signal)
35
R3
I
Audio-R3 input (right signal)
36
L-OUT
O Audio L output
37
R-OUT
O Audio R output
38
DecsDem
-
Decoupling sound demodulator
39
QssO/AmO/AudeEm
O QSS intercarrier output / AM output /
deemphasis / (front-end audio out)
40
Gnd2
-
GND
41
PllIf
-
IF-PLL loop filter
42
SifAgc
-
AGC sound IF
43
IfVo/FmRo/DvbO
O Not used
44
NC
O Not used
45
V8AudioSwitches
I
8V
46
AgcSsif
-
AGC capacitor second sound IF
47
V5P2
I
5V
48
V-OUT
O Video output
49
L1
I
Audio-L1 input
50
R1
I
Audio-R1 input
51
V3
I
Video V3 input
52
C4
I
Not used
53
Audio2InL
I
Not used
54
Audio2InR
I
Not used
55
V2/Y
I
Video V2 input
56
L2
I
Audio L2 input (Left signal)
57
R2
I
Audio R2 input (right signal)
58
Y3/Cvbs
I
S-Video Y1 input
59
C1
I
S-Video C1 input
60
AudioLsL
O Audio L output for audio power amplifier
61
AudioLsR
O Audio R output for audio power amplifier
62
HP-L
O Not used
63
HP-R
O Not used
64
CVBSO/PIP
O CVBS / PIP output
65
SVM
O Not used
66
FbiSo
I
Flyback input/sandcastle output
67
Hout
O Horizontal output
68
VssComb
-
GND
69
V5Comb
I
5V
70
Vin/R2/Pr
I
PIP R input
71
Uin/B2/Pb
I
PIP B input
72
Yin/G2/Y
I
PIP G input
73
Ysync
I
Not used
74
Yout
O Not used
75
Uout/INSSW2
I
YUV insertion input
76
NC
O Not used
77
INSSW3
I
YUV insertion input
78
R3/Pr
I
Component PR input (Video-2)
79
G3/Y
I
Component Y input (Video-2)
80
B3/Pb
I
Component PB input (Video-2)
81
Gnd3
-
GND
82
V5P3
I
5V
83
BCL
I
Beam current limiter input
84
BLKIN
I
Black current input
85
Rout
O R output
86
Gout
O G output
87
Bout
O B output
88
V3.3A1
I
3.3V
89
RefAdN
-
GND
90
V3.3RefAdP
I
3.3V (Positive)
91
RefAd
I
3.3/2V
92
GndA
-
GND
93
V1.8A
I
1.8V
94
V3.3A2
I
3.3V
95
VssADC
-
GND
96
V1.8ADC
I
1.8V
97
REMOTE
I
Remote control
98
PW_LED
I
POWER LED control
99
PW_LED
I
POWER LED control
100 V1.8C2
I
1.8V
101 VssC2
-
GND
102 TIMER
-
Not used
103 TIMER
-
Not used
104 VER_PROTECT
O X-ray protect
105 S_REDUCE
O Sound control
106 P00/I2SDI1
O Not used
107 POWER
O SUB POWER control
108 SCL1
I
I2C bus clock
109 SDA1
I/O I2C bus data
110 V3.3P
I
3.3V
111 ROTATION
O Rotation
112 3.58/OTHER
O NTSC 3.58 detection
113 A_MUTE
O Audio muting
114 4.5/OTHER
O NTSC 4.43 detection
115 PROT
I
Protect
116 ECO_IN
I
ECO sensor level detection
117 V1.8C1
I
1.8V (Digital)
118 DecV1V8
I
1.8V
119 KEY_IN
I
Key scan data
120 VDO-DET
I
Video DET input
121 VSSC1+P1
-
Digital GND
122 S_V_DET
I
S-Video DET input
123 P25/PWM4
O GTVA_reset
124 V1.8C3
I
1.8V (Digital)
125 VssC3
-
GND
126 P12/Int2
I
External interrupt
127 SDA0
I/O I2C bus data (for memory)
128 SCL0
I
I2C bus clock (for memory)
Pin
No.
Pin name
I/O
Function