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2.3
MAIN CPU [MAIN PWB : IC701] PIN FUNCTION
Pin
Pin name
I/O
no.
1
VssP2
-
2
VssC4
-
3
V1.8C4
I
4
V3.3A3
I
5
VrefP_Sdac
I
6
VrefN_Sdac
-
7
VrefP_Sdac
I
8
VrefN_Sdac
-
9
VrefP_Sdac
I
10
XtalIn
I
11
XtalOut
O 24.576MHz for system clock
12
VssA1
-
13
NECK
I
14
CONT
I
15
V5P1
I
16
Ph2
-
17
Ph1
-
18
Gnd1
-
19
SecPll
-
20
Dec8G
-
21
EW
O East-West drive output
22
VDRB-
O Vertical drive B output
23
VDRA+
O Vertical drive A output
24
Vif1
I
25
Vif2
I
26
Vsc
-
27
Iref
I
28
GndIF
-
29
Sif1
I
30
Sif2
I
31
AGC
O Tuner AGC output
32
EHT
I
33
Ssif/RefIn/Avl/RefOut
O Automatic Volume Levelling/ sound IF input /
34
L3
I
35
R3
I
36
L-OUT
O Audio L output
37
R-OUT
O Audio R output
38
DecsDem
-
39
QssO/AmO/AudeEm
O QSS intercarrier output / AM output /
40
Gnd2
-
41
PllIf
-
42
SifAgc
-
43
IfVo/FmRo/DvbO
O Not used
44
NC
O Not used
45
V8AudioSwitches
I
46
AgcSsif
-
47
V5P2
I
48
V-OUT
O Video output
49
L1
I
50
R1
I
51
V3
I
52
C4
I
53
Audio2InL
I
54
Audio2InR
I
55
V2/Y
I
56
L2
I
57
R2
I
58
Y3/Cvbs
I
59
C1
I
60
AudioLsL
O Audio L output for audio power amplifier
61
AudioLsR
O Audio R output for audio power amplifier
62
HP-L
O Headphone L
63
HP-R
O Headphone R
Function
GND
GND
1.8V (Digital)
3.3V
3.3V (Positive)
GND
3.3V (Negative)
GND
3.3V (Positive)
24.576MHz for system clock
GND
V-guard input/ I/O switch
1.8V regulator control
+5V
Phase-2 filter
Phase-1 filter
GND
SECAM PLL decoupling
Bandgap decoupling
Video IF input 1
Video IF input 2
Vertical sawtooth capacitor
Reference current input
GND
Sound IF input 1
Sound IF input 2
EHT/overvoltage protection input
subcarrier reference output / external reference
signal input for I signal mixer for DVB operation
Audio-L3 input (left signal)
Audio-R3 input (right signal)
Decoupling sound demodulator
deemphasis / (front-end audio out)
GND
IF-PLL loop filter
AGC sound IF
8V
AGC capacitor second sound IF
5V
Audio-L1 input
Audio-R1 input
Video V3 input
Not used
Not used
Not used
Video V2 input
Audio L2 input (Left signal)
Audio R2 input (right signal)
S-Video Y1 input
S-Video C1 input
Pin
Pin name
I/O
no.
64
CVBSO/PIP
O CVBS / PIP output
65
SVM
O Scan velocity modulation output
66
FbiSo
I
67
Hout
O Horizontal output
68
VssComb
-
69
V5Comb
I
70
Vin/R2/Pr
I
71
Uin/B2/Pb
I
72
Yin/G2/Y
I
73
Ysync
I
74
Yout
O Not used
75
Uout/INSSW2
I
76
NC
O Not used
77
INSSW3
I
78
R3/Pr
I
79
G3/Y
I
80
B3/Pb
I
81
Gnd3
-
82
V5P3
I
83
BCL
I
84
BLKIN
I
85
Rout
O R output
86
Gout
O G output
87
Bout
O B output
88
V3.3A1
I
89
RefAdN
-
90
V3.3RefAdP
I
91
RefAd
I
92
GndA
-
93
V1.8A
I
94
V3.3A2
I
95
VssADC
-
96
V1.8ADC
I
97
REMOTE
I
98
PW_LED
I
99
P11/TO
I
100
V1.8C2
I
101
VssC2
-
102
COMPONENT-PIP
-
103
COMB_SW_NT3.5/OTHER
-
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
109
SDA1
I/O I2C bus data
110
V3.3P
I
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
116
ECO_IN
I
117
V1.8C1
I
118
DecV1V8
I
119
KEY_IN
I
120
VDO-DET
I
121
VSSC1+P1
-
122
P24/PWM3
I
123
P25/PWM4
O GTVA_reset
124
V1.8C3
I
125
VssC3
-
126
P12/Int2
I
127
SDA0
I/O I2C bus data (for memory)
128
SCL0
I
Function
Flyback input/sandcastle output
GND
5V
PIP R input
PIP B input
PIP G input
Not used
YUV insertion input
YUV insertion input
Component PR input (Video-2)
Component Y input (Video-2)
Component PB input (Video-2)
GND
5V
Beam current limiter input
Black current input
3.3V
GND
3.3V (Positive)
3.3/2V
GND
1.8V
3.3V
GND
1.8V
Remote control
POWER LED control
POWER LED control
1.8V
GND
Not used
Not used
I2C bus clock
3.3V
Protect
ECO sensor level detection
1.8V (Digital)
1.8V
Key scan data
Video DET input
Digital GND
S-Video DET input
1.8V (Digital)
GND
External interrupt
I2C bus clock (for memory)
(No.YA252)1-5
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