DOWNLOAD Sharp LC-42XL2E (serv.man5) Service Manual ↓ Size: 2.32 MB | Pages: 42 in PDF or view online for FREE

Model
LC-42XL2E (serv.man5)
Pages
42
Size
2.32 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD / Major IC Informations
File
lc-42xl2e-sm5.pdf
Date

Sharp LC-42XL2E (serv.man5) Service Manual ▷ View online

LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU
5 – 10
2.6. IC1403 (VHiTAS3108D-1Y)
2.6.1 Block Diagram
2.6.2 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
38
AVDD
Analog power-supply input (3.3V)
1
AVSS
Analog ground
7
CS0
I
Pull-down Chip select
9, 30
DVDD
Digital power-supply input (3.3V)
10, 29
DVSS
Digital ground
8
GPIO
I/O
Pull-up GPIO control pin (user programmable)
19
LRCLK
I/O
Pull-down Sample rate clock (fS) input or output
5
MCLKIN
I
Master clock input (Connect to ground when not in use.)
21
MCLKO
O
Master clock output
6
MICROCLK_DIV
I
Pull-down Internal microprocessor clock divide control
31
PDN
I
Pull-up Powers down all logic and stops all clocks, active-low. Coefficient memory remains stable 
through power-down cycle.
34
PLL0
I
Pull-up PLL control 0
35
PLL1
I
Pull-down PLL control 1
36
PLL2
I
Pull-down PLL control 2
33, 37
RESERVED
Connect to ground
32
RESET
I
Pull-up Reset, active-low
16
SCL1
I/O
I2C port #1 clock (always a slave)
18
SCL2
I/O
I2C port #2 clock (always a slave)
20
SCLKIN
I
Pull-down Bit clock input
LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU
5 – 11
2.7. IC1404 (VHiAK4683EQ-1Q)
2.7.1 Block Diagram
22
SCLKOUT1
O
Bit clock #1 out. Used to receive input serial data.
23
SCLKOUT2
O
Bit clock #2 out. Used to clock output serial data.
15
SDA1
I/O
I2C port #1 data (always a slave)
17
SDA2
I/O
I2C port #2 data (always a slave)
11
SDIN1
I
Pull-down Serial data input 1
12
SDIN2
I
Pull-down Serial data input 2
13
SDIN3
I
Pull-down Serial data input 3
14
SDIN4
I
Pull-down Serial data input 4
27
SDOUT1
O
Serial data output 1
26
SDOUT2
O
Serial data output 2
25
SDOUT3
O
Serial data output 3
24
SDOUT4
O
Serial data output 4
2
VR_PLL
Internal regulator. This pin must not be used to power external devices.
3
XTALI
I
Oscillator input (connect to ground when not in use)
4
XTALO
O
Oscillator output
28
VR_DIG
---
Internal regulator. This pin must not be used to power external devices.
Pin No.
Pin Name
I/O
Pin Function
LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU
5 – 12
2.7.2 Pin Connections and short description
Pin No.
Pin Name
I/O
Pin Function
1
PVDD
PLL Power supply, 4.5V~5.5V.
2
RX0
I
Receiver Channel 0 (Internal biased pin. Internally biased at PVDD/2).
3
I2C
I
Control Mode Select.
“L”: 4-wire Serial, “H”: I2C Bus
4
RX1
I
Receiver Channel 1.
5
RX2
I
Receiver Channel 2.
6
RX3
I
Receiver Channel 3.
7
INT
O
Interrupt
8
DZF
O
Zero Input Detect.
When the input data of DAC follow total 8192 LRCK cycles with “0” input data, this pin goes to “H”. And 
when RSTN1 bit is “0”, PWDA bit is “0”, this pin goes to “H”
9
CDTO
O
Control Data Output in Serial Mode and I2C pin = “L”.
10
LRCKB
I/O
Channel Clock B
11
BICKB
I/O
Audio Serial Data Clock B
12
SDTOB
O
Audio Serial Data Output B
13
OLRCKA
I/O
Output Channel Clock A
14
ILRCKA
I/O
Input Channel Clock A
15
BICKA
I/O
Audio Serial Data Clock A
16
SDTOA
O
Audio Serial Data Output A
17
MCKO
O
Master Clock Output
18
TVDD
Output Buffer Power Supply, 2.7V~5.5V
19
DVSS
Digital Ground
20
DVDD
Digital Power Supply, 4.5V~5.5V
21
XTI
I
X’tal Input
22
XTO
O
X’tal Output
23
TX
O
Transmit Channel Output
When DIT bit = “0”, RX0~3 Through.
When DIT bit = “1”, Internal DIT Output.
24
MCLK2
I
Master Clock Input
25
PDN
I
Power-Down Mode & Reset
When “L”, the AK4683 is powered-down, all registers are reset. And then all digital output pins go “L”.
The AK4683 must be reset once upon power-up.
26
SDA
I/O
Control Data in Serial Mode and I2C pin = “H”.
27
SCL
I
Control Data Clock in Serial Mode and I2C pin = “H”.
28
CSN
I
Chip Select in Serial Mode and I2C pin = “L”.
29
SDTIA1
I
Audio Serial Data Input A1
30
SDTIA2
I
Audio Serial Data Input A2
31
SDTIA3
I
Audio Serial Data Input A3
32
SDTIB
I
Audio Serial Data Input B
33
HVDD
HP Power Supply, 4.5V~5.5V
34
HVSS
HP Ground
35
HPR
O
HP Rch Output.
36
HPL
O
HP Lch Output.
37
MUTET
HP Common Voltage Output
38
LOUT2
O
DAC2 Lch Positive Analog Output
39
ROUT2
O
DAC2 Rch Positive Analog Output
40
LOUT1
O
DAC1 Lch Positive Analog Output
41
ROUT1
O
DAC1 Rch Positive Analog Output
42
VCOM
DAC/ADC Common Voltage Output
43
AVDD2
DAC Power Supply, 4.5V~5.5V
44
AVSS2
DAC Ground
45
LISEL
O
Lch Feedback Resistor Output
46
LOPIN
O
Lch Feedback Resistor Input. 0.5 x AVDD1.
47
ROPIN
O
Rch Feedback Resistor Input. 0.5 x AVDD1.
48
RISEL
O
Rch Feedback Resistor Output
49
AVSS1
ADC Ground
50
AVDD1
ADC Power Supply, 4.5V~5.5V
51
LIN1
I
Lch Input 1
52
RIN1
I
Rch Input 1
53
LIN2
I
Lch Input 2
54
RIN2
I
Rch Input 2
55
LIN3
I
Lch Input 3
56
RIN3
I
Rch Input 3
LC-42XL2E/S/RU, LC-46XL2E/S/RU, LC-46X20E/S/RU, LC-52XL2E/S/RU, LC-52X20E/S/RU
5 – 13
2.8. IC1507 (VHiSii9185+-1Q)
2.8.1 Block Diagram
57
LIN4
I
Lch Input 4
58
RIN4
I
Rch Input 4
59
LIN5
I
Lch Input 5
60
RIN5
I
Rch Input 5
61
LIN6
I
Lch Input 6
62
RIN6
I
Rch Input 6
63
PVSS
PLL Ground
64
R
External Resistor
Pin No.
Pin Name
I/O
Pin Function
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