LC-M3700 (serv.man9). (9) Description of function of major ICs - Sharp TV Service Manual (repair manual). Page 13

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46
LC-M3700
LC-M3710
46-1
46-2
Ë
9DK001-15103 (CXA3516R) (ASSY:IC10004)
3ch 8bit 165MSPS A/D Converter Amplifier PLL
»
Block Diagram
Pin No
.
Pin Name
I/O
Pin Function
1
B/CbOUT
O
B/Cb Amplifier output signal monitor
2
ADDRESS
I
I2C slave address setup
3
R/CrOUT
O
R/Cr Amplifier output signal monitor
4N
C
Not connected
5N
C
Not connected
6
XPOWERSAVE
I
Power save setup
7
DGNDREG
GND for registers
8
DVCCREG
Power supply for registers
9
SDA
I
Control register data input
10
SCL
I
Control register clock signal input
11
XSENABLE
I
Enable signal input for 3 line control registers
12
SEROUT
O
3
 line control register data read-out
13
3WIRE
Å
^I2C
I
Selection in I2C-bus mode and 3 line bus mode
15
AVCCADREF
Power supply for reference voltage of ADC
16,94
AVCCAD3
Analog power supply of ADC
17
VRT
O
The top reference voltage output of ADC
18,92
DVCCAD3
Digital power supply of ADC
19,32,42,54,
DVCCADTTL
Power supply for a TTL output of ADC
65,76,90
20,33,44,55,
DGNDADTTL
GND for a TTL output of ADC
67,77,89
21,22,
RA0~RA7
O
R
 channel port A side data output
24-28,31
»
Pin Function
Pin No
.
Pin Name
I/O
Pin Function
23,30,43,50,
DGNDAD3
Digital GND of ADC
59,66,79,86
29,80
AGNDAD3
Analog GND of ADC
34-41
RB0~RB7
O
R
 channel port B side data output
45-49,51-53
BA0~BA7
O
B
 channel port A side data output
56-58,60-64
BB0~BB7
O
B
 channel port B side data output
68-75
GA0~GA7
O
G
 channel port A side data output
78,81-85,87,88
GB0~GB7
O
G
 channel port B side data output
91
DVCCAD
Digital power supply of ADC
93
VRB
O
Bottom reference voltage output of ADC
95
AGNDADREF
GND for reference voltage of ADC
96
DVCCPLLTTL
Power supply for a TTL output of PLL
97
DGNDPLLTTL
Power supply for a TTL output of PLL
98
XCLKCLK
O
C
LK reversal output
99
1/2XCLK
O
CLK output
100
1/2CLK
O
1/2 CLK reversal output
101
DSYNC/
O
1/2 CLK output
103
DIVOUT
O
DSYNC signal output/DIVOUT signal output
104
UNLOCK
O
UNLOCK signal output terminal
105
SOGOUT
O
Synchronization signal output of a sync-on green signal
106
HOLD
I
Input of de-servile signal of phase comparison
107
XTLOAD
I
Reset setup of a programmable counter
108
EVEN/ODD
I
Sampling clock reversal pulse input of ADC
109
XCLKIN
I
Negative clock input for a test
110
CLKIN
I
Positive clock input for a test
111
SYNCIN1
I
Synchronization signal input 1
112
SYNCIN2
I
Synchronization signal input 2
113
CLPIN
I
Clamp pulse input
114
DVCCPLL
Power supply for PLL
115
DGNDPLL
Digital ground for PLL
116
AVCCVCO
Analog power supply for VCO of PLL
117
AGNDVCO
Analog ground for VCO of PLL
118
RC1
PLL loop filter external terminal 1
119
RC2
PLL loop filter external terminal 2
120
AVCCIR
Analog power supply for IRFE
121
IREF
I
Current setup
123
AGNDIR
Analog ground for IRFE
124
G/YIN1
I
G/Y signal input 1
125
AVCCAMPG
Power supply for G/Y amplifier
126
G/YIN2
I
G/Y signal input 2
127
AGNDAMPG
Ground for G/Y amplifier
128
G/YCLP
Clamp capacitor connection terminal for G/Y brightness
129
B/CbCLP
Clamp capacitor connection terminal for B/Cb brightness
130
R/CrCLP
Clamp capacitor connection terminal for R/Cr brightness
132
SOGIN1
I
Sync-on green signal input 1
133
B/CbIN1
I
B/Cb signal input1
134
AVCCAMPB
Power supply for B/Cb amplifier parts
135
SOGIN2
I
Sync-on green signal input 2
136
B/CbIN2
I
B/Cb signal input 2
137
AGNDAMPB
Ground for B/Cb amplifier parts
139
R/CrIN1
I
R/Cr signal input 1
140
AVCCAMPR
Power supply for R/Cr amplifier parts
141
R/CrIN2
I
R/Cr signal input 2
142
AGNDAMPR
Ground for R/Cr amplifier parts
143
G/YOUT
O
Amplifier output signal monitor
144
DACTEST
O
For amplifier part control registers
Test output terminal of DAC
14,102,122,
OUTDPGND
Ground
131,138
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