Read Sharp LC-52X20E (serv.man5) Service Manual online
LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU
5 – 22
2.12.2 Pin Connections and short description
2.13. IC7603 (9NK2633003842)
2.13.1 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
MPEG pins
47
47
MOSTRT
O
MPEG packet start
48
MOVAL
O
MPEG data valid
49-53, 56-58
MDO[0:4]/ MDO[5:7]
O
MPEG data bus
61
MOCLK
O
MPEG clock out
62
BKERR
O
Block error
63
MICLK
I
MPEG clock in
11
STATUS
O
Status output
6
IRQ
O
Interrupt output
Control pins
4
4
CLK1
I
Serial clock
5
DATA1
I/O
Serial data
23
XTI
I
Low phase noise oscillator
24
XTO
O
10
SLEEP
I
Device power down
12, 15-18
SADD[4:0]
I
Serial address set
44
SMTEST
I
Production test (only set low)
35
CLK2/GPP0
I/O
Serial clock tuner
36
DATA2/GPP1
I/O
Serial data tuner
42
AGC1
O
Primary AGC
41
AGC2/GPP2
I/O
Secondary AGC
43
GPP3
I/O
General purpose I/O
9
RESET
I
Device reset
27
OSCMODE
I
Crystal oscillator mode
26
PLLTEST
O
PLL analog test
Analog inputs
30
30
VIN
I
positive input
31
VIN
I
negative input
34
RFLEV
I
RF level
Supply pins
21
21
PLLVdd
—
PLL supply
22
PLLGND
—
GND
7, 19, 37, 39, 59, 64
CVdd
—
Core logic power
2, 13, 45, 54
Vdd
—
I/O ring power
1, 3, 8, 14, 20, 25, 38,
40, 46, 55, 60
40, 46, 55, 60
Vss
—
Core and I/O ground
28
Avdd
—
ADC analog supply
29, 32
AGnd
—
GND
33
Vdd
—
2nd ADC supply
Pin No.
Pin Name
I/O
Pin Function
1
Css
I
Soft start timing capacitor.
2
Rfstart
—
Soft start frequency setting-low impedance voltage source-see also Cf.
3
Cf
—
Oscillator frequency setting-see also Rfmin, Rfstart.
4
Rfmin
I
Minimum oscillation frequency setting-low impedance voltage source-see also Cf.
5
OPOUT
O
Sense OP Amp output-low impedance.
6
OPIN-
I
Sense OP Amp inverting input-high impedance.
7
OPIN+
I
Sense OP Amp non inverting input-high impedance.
8
EN1
I
Half bridge latched enable.
9
EN2
I
Half bridge unlatched enable.
10
GND
—
Ground.
11
LVG
O
Low side driver output.
12
Vss
—
Supply voltage with internal zener clamp.
13
N.C.
—
Not connected.
14
OUT
O
High side driver reference.
15
HVG
O
High side driver output.
16
VBOOT
I
Bootstrapped supply voltage.
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