LC-22D12E - Sharp TV Service Manual (repair manual)

lc-22d12e service manual
Model
LC-22D12E
Pages
121
Size
7.6 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
lc-22d12e.pdf
Date

Read Sharp LC-22D12E Service Manual online

TABLE OF CONTENTS
1.
INTRODUCTION...................................................................................................................... 5
1.1.
General Block Diagram.................................................................................................. 6
1.2.
MB60 Placement of Blocks............................................................................................ 7
1.
TUNER(TU102)......................................................................................................................... 8
1.1.
General description of Samsung DTOS403LH122X:.................................................... 8
1.2.
Features of DTOS403LH122X: ..................................................................................... 8
1.3.
Pinning: .......................................................................................................................... 9
2.
SAW FILTER – Audio – Epcos K9656M(Z101) ...................................................................... 9
2.1.
Standart........................................................................................................................... 9
2.2.
Features ........................................................................................................................ 10
2.3.
Pin configuration .......................................................................................................... 10
2.4.
Frequency response ...................................................................................................... 10
3.
SAW FILTER – Video – Epcos K3958M(Z102) .................................................................... 11
3.1.
Standart......................................................................................................................... 11
3.2.
Features ........................................................................................................................ 11
3.3.
Frequency response ...................................................................................................... 12
4.
AUDIO AMPLIFIER STAGE WITH AZAD2102(U163, U164) ........................................... 12
4.1.
General Description...................................................................................................... 12
4.2.
Features ........................................................................................................................ 13
4.3.
Absolute Ratings .......................................................................................................... 14
4.3.1.
Electrical Characteristics.......................................................................................... 14
4.3.2.
Operating Specifications .......................................................................................... 15
4.4.
Pinning ......................................................................................................................... 16
5.
AUDIO AMPLIFIER STAGE WITH TPA3113(U168) ......................................................... 16
5.1.
General Description...................................................................................................... 16
5.2.
Features ........................................................................................................................ 17
5.3.
Absolute Ratings .......................................................................................................... 17
5.3.1.
Electrical Characteristics.......................................................................................... 17
5.3.2.
Operating Specifications .......................................................................................... 18
5.4.
Pinning ......................................................................................................................... 18
6.
POWER STAGE ...................................................................................................................... 19
6.1.
Power Management...................................................................................................... 22
7.
MICROCONTROLLER – MSTAR(U157) ............................................................................. 23
7.1.
General Descripction.................................................................................................... 23
7.2.
General Features........................................................................................................... 24
7.3.
MSTAR Block Diagram............................................................................................... 28
7.4.
Reset Circuit................................................................................................................. 29
8.
CI INTERFACE....................................................................................................................... 29
7.1
Block Diagram ............................................................................................................. 29
7.1
CI Interface Power Switch ........................................................................................... 30
9.
T2 Demodulator CXD2820R (U167)....................................................................................... 30
9.1.
General Description...................................................................................................... 30
9.2.
Features ........................................................................................................................ 30
9.3.
Pinning ......................................................................................................................... 32
10.
USB INTERFACE ............................................................................................................... 35
11.
DDR2 SDRAM 8M × 4 BANKS × 16 BIT (W9751G6JB) (U154, U155) ......................... 35
11.1. General Description...................................................................................................... 35
11.2. Features ........................................................................................................................ 36
11.3. Electrical Characteristics.............................................................................................. 36
11.4. Pinning ......................................................................................................................... 37
12.
SCALER AND LVDS SOCKETS....................................................................................... 39
12.1. LVDS sockets Block Diagram ..................................................................................... 39
12.2. Panel Supply Switch Circuit ........................................................................................ 39
13.
NAND FLASH MEMORY - MX25L1005 (U158)............................................................. 40
13.1. General Description...................................................................................................... 40
13.2. Features ........................................................................................................................ 40
13.3. Absolute Maximum Ratings......................................................................................... 41
13.4. Pinning ......................................................................................................................... 41
14.
NAND FLASH MEMORY – NAND512XXA2C (U162) .................................................. 42
14.1. General Description...................................................................................................... 42
14.2. Features ........................................................................................................................ 42
14.3. Pinning ......................................................................................................................... 43
15.
USB2.0 to Fast Ethernet – ASIX AX88X72A (U171) ........................................................ 44
15.1. General Description...................................................................................................... 44
15.2. Features ........................................................................................................................ 44
15.3. Block Diagram ............................................................................................................. 45
15.4. Pinning ......................................................................................................................... 46
16.
LM1117(U175, U180, U181)............................................................................................... 46
16.1. General Description...................................................................................................... 46
16.2. Features ........................................................................................................................ 46
16.3. Applications ................................................................................................................. 47
16.4. Absolute Maximum Ratings......................................................................................... 47
16.5. Pinning ......................................................................................................................... 47
17.
MP2012 (U176).................................................................................................................... 47
17.1. General Description...................................................................................................... 47
17.2. Features ........................................................................................................................ 47
17.3. Pinning ......................................................................................................................... 48
18.
RTA8283A (U23, U173)...................................................................................................... 48
18.1. General Description...................................................................................................... 48
18.2. Features ........................................................................................................................ 49
18.3. Pinning ......................................................................................................................... 49
19.
MP1583 (U174).................................................................................................................... 49
19.1. General Description...................................................................................................... 49
19.2. Features ........................................................................................................................ 50
19.3. Pinning ......................................................................................................................... 50
20.
FDC642 ................................................................................................................................ 51
20.1. General Description...................................................................................................... 51
20.2. Features ........................................................................................................................ 51
20.3. Pinning ......................................................................................................................... 51
21.
FDC604P.............................................................................................................................. 51
21.1. General Description...................................................................................................... 51
21.2. Features ........................................................................................................................ 51
21.3. Pinning ......................................................................................................................... 52
22.
CONNECTORS ................................................................................................................... 52
22.1. SCART (SC1) .............................................................................................................. 52
22.2. HDMI (CN707,CN708) ............................................................................................... 52
22.3. VGA (CN132) .............................................................................................................. 53
23.
 
SERVICE MENU SETTINGS ............................................................................................. 54
 
23.1.
 
Video Settings .............................................................................................................. 55
 
23.2.
 
Audio Settings .............................................................................................................. 56
 
23.3.
 
Options ......................................................................................................................... 57
 
23.4.
 
Tuning Settings ............................................................................................................ 59
 
23.5.
 
Source Settings ............................................................................................................. 60
 
23.6.
 
Diagnostic ..................................................................................................................... 61
 
23.7.
 
USB Operations ............................................................................................................ 61
 
24.
 
SOFTWARE UPDATE ........................................................................................................ 62
 
25.
 
TROUBLESHOOTING ....................................................................................................... 63
 
25.1.
 
No Backlight Problem .................................................................................................. 63
 
25.2.
 
CI Module Problem ...................................................................................................... 64
 
25.3.
 
Led Blinking Problem .................................................................................................. 66
 
25.4.
 
IR Problem ................................................................................................................... 67
 
25.5.
 
Keypad Touchpad Problems ........................................................................................ 67
 
25.6.
 
USB Problems .............................................................................................................. 68
 
25.7.
 
No Sound Problem ....................................................................................................... 69
 
25.8.
 
No Sound Problem at Headphone ................................................................................ 69
 
25.9.
 
Standby On/Off Problem .............................................................................................. 70
 
DVD Problems ......................................................................................................................... 70
 
25.10.
 
No Signal Problem ................................................................................................... 71
 
26. 
PART LIST……………………………………………………………………………….. 72 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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Download Sharp LC-22D12E Service Manual (Repair Manual)

Here you can read online and download Sharp LC-22D12E Service Manual in PDF. LC-22D12E service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sharp LC-22D12E LCD. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.