Sharp LC-32SA1E (serv.man2) Service Manual ▷ View online
LC-26SA1E/RU, LC-32SA1E/RU
7 – 16
2.7. IC704 (VHIMR4030++-1)
2.7.1 Block Diagram
2.7.2 Pin Connections and short description
85
GND*
–
N.C.
N.C
86
GND*
–
N.C.
N.C
87
GND*
–
N.C.
N.C
88
GND*
–
N.C.
N.C
89
GND*
–
N.C.
N.C
90
GND*
–
N.C.
N.C
91
EXP [4]
O
Outport [4]
PCON2 (EP4)
92
GND*
–
N.C.
N.C
93
GNDIO
–
Ground.
Ground.
94
VCCIO2
–
VCC (3.3V)
FPGA_VCC
95
GND*
–
N.C.
N.C
96
GND*
–
N.C.
N.C
97
EXP [2]
O
Outport [2]
PCON1 (EP2)
98
GND*
–
N.C
N.C
99
GND*
–
N.C.
N.C
100
EXP [0]
O
Outport [0]
S_MUTE
Pin No.
Pin Name
I/O
Pin Function
1
Z/C
I
Zero Current Detection Terminal.
2
F/B
I
Feed Back terminal.
3
GND
–
Ground Terminal.
4
VCC
–
VCC Terminal.
5
Emitter/OCL
O
Emitter/OCL terminal.
Pin No.
Pin Name
I/O
Pin Function
Sheet Name
LC-26SA1E/RU, LC-32SA1E/RU
7 – 17
7
VIN
I
VIN Terminal.
8
Collector
I
Collector Terminal.
Pin No.
Pin Name
I/O
Pin Function
LC-26SA1E/RU, LC-32SA1E/RU
7 – 18
2.8. IC201 (VHITDA9886+-1Y)
2.8.1 Block Diagram
2.8.2 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
1
VIF1
I
VIF differential input 1
2
VIF2
I
VIF differential input 2
3
OP1
O
Output port 1; open-collector.
4
FMPLL
I
FM-PLL for loop filter.
5
DEEM
O
De-emphasis output for capacitor.
6
AFD
I
AF decoupling input for capacitor
7
DGND
–
Digital ground.
8
AUD
O
Audio output.
9
TOP
I
Tuner AGC TakeOver Pint (TOP) for resistor adjustment.
10
SDA
I/O
I2C-bus data input and output.
11
SCL
I
I2C-bus clock input.
12
SIOMAD
O
Sound intercarrier output and MAD select with resistor.
13
N.C.
–
Not connected.
14
TAGC
O
Tuner AGC output.
15
REF
I
4 MHz crystal or reference signal input.
16
VAGC(1)
I
VIF-AGC for capacitor.
17
CVBS
O
Composite video output.
18
AGND
–
Analog ground.
19
VPLL
I
VIF-PLL for loop filter.
20
VP
–
Supply voltage.
21
AFC
O
AFC output.
22
OP2
O
Output port 2; open-collector.
23
SIF1
I
SIF differential input 1 and MAD select with resistor.
24
SIF2
I
SIF differential input 2 and MAD select with resistor.
LC-26SA1E/RU, LC-32SA1E/RU
8 – 1
LC-26SA1E
Service Manual
CHAPTER 8.
OVERALL WIRING DIAGRAM/BLOCK DIAGRAM
[1] OVERALL WIRING DIAGRAM
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WIRIN DIAGRAM
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