Advertisement
2.3
MAIN CPU [MAIN PWB : IC701] PIN FUNCTION
Pin no.
Pin name
1
VssP2
2
VssC4
3
V1.8C4
4
V3.3A3
5
VrefP_Sdac
6
VrefN_Sdac
7
VrefP_Sdac
8
VrefN_Sdac
9
VrefP_Sdac
10
XtalIn
11
XtalOut
12
VssA1
13
NECK
14
CONT
15
V5P1
16
Ph2
17
Ph1
18
Gnd1
19
SecPll
20
Dec8G
21
EW
22
VDRB-
23
VDRA+
24
Vif1
25
Vif2
26
Vsc
27
Iref
28
GndIF
29
Sif1
30
Sif2
31
AGC
32
EHT
33
Ssif/RefIn/Avl/RefOut
34
L3
35
R3
36
L_OUT
37
R_OUT
38
DecsDem
39
QssO/AmO/AudeEm
40
Gnd2
41
PllIf
42
SifAgc
43
IfVo/FmRo/DvbO
44
NC
45
V8AudioSwitches
46
AgcSsif
47
V5P2
48
V_OUT
49
L1
50
R1
51
V3
52
C4
53
Audio2InL
54
Audio2InR
55
V2/Y
56
L2
57
R2
58
Y3/Cvbs
59
C1
60
AudioLsL
61
AudioLsR
62
HP_L
63
HP_R
I/O
Remark
-
GND
-
GND
I
1.8V (Digital)
I
3.3V
I
3.3V (Positive)
-
GND
I
3.3V (Negative)
-
GND
I
3.3V (Positive)
I
24.567MHz for system clock
O 24.567MHz for system clock
-
GND
I
V-guard input/ I/O switch
I
1.8V regulator control
I
+5V
-
Phase-2 filter
-
Phase-1 filter
-
GND
-
SECAM PLL decoupling
-
Bandgap decoupling
O East-West drive output
O Vertical drive B output
O Vertical drive A output
I
Video IF input 1
I
Video IF input 2
-
Vertical sawtooth capacitor
I
Reference current input
-
GND
I
Sound IF input 1
I
Sound IF input 2
O Tuner AGC output
I
EHT/overvoltage protection input
O Automatic Volume Levelling/ sound IF input /
subcarrier reference output / external reference
signal input for I signal mixer for DVB operation
I
Audio-L3 input (left signal)
I
Audio-R3 input (right signal)
O Audio L output
O Audio R output
-
Decoupling sound demodulator
O QSS intercarrier output / AM output /
deemphasis / (front-end audio out)
-
GND
-
IF-PLL loop filter
-
AGC sound IF
O Not used
O Not used
I
8V
-
AGC capacitor second sound IF
I
5V
O Video output
I
Audio-L1 input
I
Audio-R1 input
I
Video V3 input
I
Not used
I
Not used
I
Not used
I
Video 2 input
I
Audio L2 input (Left signal)
I
Audio R2 input (right signal)
I
S-Video Y1 input
I
S-Video C1 input
O Audio L output for audio power amplifier
O Audio R output for audio power amplifier
O Headphone L
O Headphone R
Pin no.
Pin name
64
CVBSO/PIP
65
SVM
66
FbiSo
67
Hout
68
VssComb
69
V5Comb
70
Vin/R2/Pr
71
Uin/B2/Pb
72
Yin/G2/Y
73
Ysync
74
Yout
75
Uout/INSSW2
76
NC
77
INSSW3
78
R3/Pr
79
G3/Y
80
B3/Pb
81
Gnd3
82
V5P3
83
BCL
84
BLKIN
85
Rout
86
Gout
87
Bout
88
V3.3A1
89
RefAdN
90
V3.3RefAdP
91
RefAd
92
GndA
93
V1.8A
94
V3.3A2
95
VssADC
96
V1.8ADC
97
REMOTE
98
PW_LED
99
P11/TO
100
V1.8C2
101
VssC2
102
COMPONENT-PIP
103
COMB_SW_NT3.5/OTHER
104
VER_PROTECT
105
S_REDUCE
106
P00/I2SDI1
107
POWER
108
SCL1
109
SDA1
110
V3.3P
111
ROTATION
112
3.58/OTHER
113
A_MUTE
114
4.5/OTHER
115
PROT
116
ECO_IN
117
V1.8C1
118
DecV1V8
119
KEY_IN
120
VDO_DET
121
VSSC1+P1
122
P24/PWM3
123
P25/PWM4
124
V1.8C3
125
VssC3
126
P12/Int2
127
SDA0
128
SCL0
I/O
Remark
O CVBS / PIP output
O Scan velocity modulation output
I
Flyback input/sandcastle output
O Horizontal output
-
GND
I
5V
I
PIP R input
I
PIP B input
I
PIP G input
I
Not used
O Not used
I
YUV insertion input
O Not used
I
YUV insertion input
I
Component PR input (Video-2)
I
Component Y input (Video-2)
I
Component PB input (Video-2)
-
GND
I
5V
I
Beam current limiter input
I
Black current input
O R output
O G output
O B output
I
3.3V
-
GND
I
3.3V (Positive)
I
3.3/2V
-
GND
I
1.8V
I
3.3V
-
GND
I
1.8V
I
Remote control
I
POWER LED control
I
POWER LED control
I
1.8V
-
GND
-
Not used
-
Not used
O X-ray protect
O Sound control
O Not used
O SUB POWER control
I
I2C bus clock
I/O I2C bus clock
I
3.3V
O ROTATION
O NTSC 3.58 detection
O Audio muting
O NTSC 4.43 detection
I
Protect
I
ECO sensor level detection
I
1.8V (Digital)
I
1.8V
I
Key scan data
I
Video DET input
-
Digital GND
I
S-Video DET input
O GTVA_reset
I
1.8V (Digital)
-
GND
I
External interrupt
I/O I2C bus data (for memory)
I
I2C bus clock (for memory)
(No.YA266)1-5
Advertisement
