Sharp LC-46XL1E (serv.man5) Service Manual ▷ View online
LC-46XL1E/RU, LC-52XL1E/RU
5 – 5
3. IC202: RH-iXB964WJZZ (STV0362)
DVB-T RECEIVER
Pin No
Pin Name
I/O
Pin Function
32
NOT_RESET
I
Hardware reset, active Low.
15
XTAL_I
I
Crystal oscillator input/external clock (2.5V)
14
XTAL_O
O
Crystal oscillator output.
1
RF_LEVEL
I
ADC 8 input for RF level monitoring.
3
QP
I
Positive Q analog input for baseband configuration,
4
QM
I
Nagative Q analog input for baseband configuration.
5
VDDA_ISO
—
Analog ISO neutral polarization.
7
REFP
—
Internal positive reference.
8
REFM
—
Internal negative reference.
9
INCM
—
Internal common mode.
10
IM
I
Negative 1 analog input for IF and baseband configuration.
11
IP
I
Positive 1 analog input for IF and baseband configuration.
12
VDDA_1V0
—
Analog supply (1.0V)
29
SDA
I/O
Serial data (open drain)
30
SCL
I
Serial clock (open drain)
21
SDAT
I/O
SDA tuner (open drain)
20
SCLT
I
SCL tuner.
43
D7
O
Serial MPEG data or parallel MPEG data (bit 7)
42
D6
O
Parallel MPEG data (bit 6)
40
D5
O
Parallel MPEG data (bit 5)
39
D4
O
Parallel MPEG data (bit 4)
37
D3
O
Parallel MPEG data (bit 3)
36
D2
O
Parallel MPEG data (bit 2)
35
D1
O
Parallel MPEG data (bit 1)
33
D0
O
Parallel MPEG data (bit 0)
44
CLK_OUT
O
MPEG byte or bit clock
46
STR_OUT
O
MPEG first byte sync.
47
D/NOT_P
O
MPEG data valid/parity
48
ERROR
O
MPEG packet error
18
AGC_RF
I/O
RF AGC control
(5V tolerant)
17
AGC_IF
I/O
IF AGC control
(5V tolerant)
LC-46XL1E/RU, LC-52XL1E/RU
5 – 6
4. IC701: MC33262
POWER FACTOR CONTROLLER
64
TEST
—
Reserved test mode, must be grounded.
27
GPIO0
I/O
General-purpose input/output port 0.
Reserved test mode, must be ground.
Reserved test mode, must be ground.
49
GPIO1
I/O
General-purpose input/output port 1.
60
GPIO2
I/O
General-purpose input/output port 2 or lock indicator.
59
GPIO3
I/O
General-purpose input/output port 3 or lock indicator.
58
GPIO4
I/O
General-purpose input/output port 4.
57
GPIO5
I/O
General-purpose input/output port 5.
54
GPIO6
I/O
General-purpose input/output port 6.
53
GPIO7
I/O
General-purpose input/output port 7.
52
GPIO8
I/O
General-purpose input/output port 8.
Resen must be ground.
Resen must be ground.
61
GPIO9
I/O
General-purpose input/output port 9.
23
AUX_CLK
I/O
Auxiliary clock.
25
CS0
I
Chip select LSB.
2,6,13,16
VDDA_2V5
—
Analog power supply (2.5V)
19, 24, 31, 38,
45, 51, 55, 62
45, 51, 55, 62
VDD_1V0
—
Digital core supply (1.0V)
22, 28, 34, 41,
50, 56, 63
50, 56, 63
VDD_3V3
—
Digital I/O supply (3.3V)
Pin No
Pin Name
I/O
Pin Function
1
FB
I
Feedback input terminal of converter output voltage.
2
COMP
—
Compensation terminal of error amplifier.
3
MUL
I
Multiplier input terminal of sine wave AC power wave form.
4
IS
I
Input terminal to detect current of MOSFET.
5
ZCD
I
Input terminal to detect current of inductor returning to 0.
6
GND
—
Ground.
7
OUT
O
Output terminal to drive MOSFET directry.
8
Vcc
I
Power supply input terminal to operate IC.
Pin No
Pin Name
I/O
Pin Function
LC-46XL1E/RU, LC-52XL1E/RU
5 – 7
5. IC704: STR-W6765
SWITCHING REGULATOR
Pin No
Pin Name
I/O
Pin Function
1
D
I
Drain (MOSFET drain)
2
NC
—
Clipped (No connection)
3
S/GND
—
Source/ground terminal (MOSFET source and ground)
4
VCC
—
Power supply terminal (Input of power supply for control circuit)
5
SS/OLP
I
Soft Start/Overload Protection terminal
(Input to set delay for Overload Protection and Soft Start operation)
(Input to set delay for Overload Protection and Soft Start operation)
6
FB
I
Feedback terminal
(Input for Constant Voltage Control and Burst Mode oscillation control signals)
(Input for Constant Voltage Control and Burst Mode oscillation control signals)
7
OCP/BD
—
Overcurrent Protection/Bottom Detection
(Input for overcurrent detection and bottom detection signals)
(Input for overcurrent detection and bottom detection signals)
LC-46XL1E/RU, LC-52XL1E/RU
5 – 8
6. IC1710: RH-IXB946WJZZ
CPLD
Pin No.
Pin Name
I/O
Pin Function
Sheet Name
1
EXP[8]
O
REG2 light control system identify (INT: “L”)
REG2
2
EXP[9]
O
REG external sync identify (INT: “L”)
REG
3
EXP[10]
O
QS (Quick Shoot) parameter (INT: “L”)
TEMP3
4
EXP[11]
O
QS (Quick Shoot) parameter (INT: “L”)
TEMP2
5
EXP[12]
O
QS (Quick Shoot) parameter (INT: “L”)
TEMP1
6
EXP[13]
O
QS (Quick Shoot) parameter (INT: “L”)
QSSET
7
EXP[14]
O
LED SLEEP (Light-up at “L”) (INT: “H”)
LEDSLP
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