Akai CT-S21MTD-E3 Service Manual

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LCT2715
Safety Instructions
Production specification.
Block Diagram
Circuit Diagram
Disassembly
Pin Descriptions
LCD Panel specification
Exploded View Diagram
Spare parts list
V-chip password and software upgrade
Model:
SERVICE MANUAL
This manual is the latest at the time of printing, and does not
include the modification which may be made after the printing,
by the constant improvement of product.
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Summary of Contents

Page 1 - SERVICE MANUAL

LCT2715Safety InstructionsProduction specification.Block DiagramCircuit DiagramDisassemblyPin DescriptionsLCD Panel specification Exploded View Diagra

Page 2 - I. Safety Instructions

KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE Reference No : LC27HAB001 Revision : 0 Date : 2005.8.1 P

Page 3 - PRODUCT SAFETY NOTICE

KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE Date : 2005.8.1 Page : P. 8of 8 Test Condition All tests shall be performed under the followi

Page 4 - Product Specification

AABBCCDDEE4 43 32 21 1YPbPrMT8205TunerDDR1 DDR2FlashAV1MUXTVY1PbPrY2PbPrS_VideoVGALVDS PANELBacklightLVDS SIGNALLVDS SIGNALGPIOGPIOVGA_L/RS1_AV1_L/RY1

Page 5 - 0.1555mm×0.4665mm

AABBCCDDEE4 43 32 21 13. MT8205E PBGA388MT8205P1V3.21. INDEX4. MT8205 ANALOG DECOUPLINGMT8205E (PBGA388) LCDTV BOARD 4 LAYERSAUIO IN/OUT GND ANALOG

Page 6

AABBCCDDEE4 43 32 21 1Vout1.25x(1+180/110)=3.3VPower ON alive sourceSOIC85V ==> +12v 1.25x(1+300/680)=1.8VVoutLDOV0.1LCD TV - MediaTek MT8205 Solut

Page 7 - Revision : 0

AABBCCDDEE4 43 32 21 1MT5205BGA388V0.1 LCD TV - MediaTek MT8205 SolutionC316Tuesday, May 10, 2005TitleSize Doc Number RevDate: Sheet ofA_CLKA_DQM[0..1

Page 8

AABBCCDDEE4 43 32 21 1Rdown110 1%Note for Fix or Adj Regulator180 1%0 ohmAZ1117RupFOR DACVDDFix regulatorAdj regulatorOFFVout1.25x(1+180/110)=3.3VFOR

Page 9 - W 0.295 0.295±0.02 15 Color

AABBCCDDEE4 43 32 21 10603 PUT ON NEARLY BGA0603 PUT ON NEARLY BGA0603 PUT ON NEARLY BGAMT8205 DIGITAL POWER & DECOUPLINGMT8205 DECOUPOMG--DIGITAL

Page 10

AABBCCDDEE4 43 32 21 1REMOVE WHEN USE ICE MODEUP3_4 FOR S/W SCLUP3_5 FOR S/W SDADELMT8205 DECOUPOMG--DIGITALV0.1LCD TV - MediaTek MT8205 SolutionB616T

Page 11 - Test Condition

AABBCCDDEE4 43 32 21 1TSOP 48 pin0402 PUT ON NEARLY BGANEW ADDVREF DECOUPLINGChange to 47 ohmDELDDR MEMORY&FLASHV0.1LCD TV - MediaTek MT8205 Solut

Page 12 - LVDS SIGNAL

- 2 -I. Safety InstructionsPRECAUTIONS DURING SERVICING1. In addition to safety, other parts and assemblies arespecified for conformance with such reg

Page 13 - FOR Tuner

AABBCCDDEE4 43 32 21 1VGA IN&PC AUDIO INV0.1LCD TV - MediaTek MT8205 SolutionB10 16Tuesday, May 10, 2005TitleSize Doc Number RevDate: Sheet ofVGAS

Page 14 - 5V ==> +12v

AABBCCDDEE4 43 32 21 1OGO1 FOR TUNER BOARD PAL/NTSC SWITCHORO7 FOR TUNER SIF SELECT SWITCH IO-1ORO6 FOR AUDIO 1st SWITCH IO-1AV , TUNER I/OOGO0 FOR TU

Page 15 - MT5205BGA388

AABBCCDDEE4 43 32 21 1FROM TunerOUTPUTINPUTAF PathAUDIO/VIDEO IN CIRCUITV0.1LCD TV - MediaTek MT8205 SolutionC12 16Tuesday, May 10, 2005TitleSize Doc

Page 16 - MT8205 ANALOG DECOUPLING

AABBCCDDEE4 43 32 21 1TWO WIRE SERIAL CONTROL DEVICE ADDRESS 0x34hHardware Mode -> 24-bit Right Justified.MUST USE SHIELD CABLE TO AUDIO BDDel Part

Page 17 - 0603 PUT ON NEARLY BGA

AABBCCDDEE4 43 32 21 1LVDS OUTCRT OUTLVDS/CRT OUTV0.1LCD TV - MediaTek MT8205 SolutionB14 16Tuesday, May 10, 2005TitleSize Doc Number RevDate: Sheet o

Page 18 - REMOVE WHEN USE ICE MODE

AABBCCDDEE4 43 32 21 1KEYPAD - MAX 8-KEYSIR & POWER ON LEDPOWER ON/OFFBack Light circuitPANEL INVERTER POWERFOR CHI-MEI INVERTERCONNECTORSELECT Lo

Page 19 - Change to 47 ohm

1 2 3 4 5 6ABCD654321DCBASIF1AF1_INVCCSIF1_IN TU_CVBSAF1_INSIF1_INSIF_12VGNDSGNDVAF1AF1TU_12VTU_VCCSDASCLAF1_OUTSIF1_OUTTU_SDATU_SCLAF1_OUTSIF1 SIF1_O

Page 20 - VGA IN&PC AUDIO IN

1 2 3 4 56ABCD654321DCBATitleNumber RevisionSizeBDate: 2-Sep-2005 Sheet of File: D:\正在进行的项目\LCD TV\LCD TV .DdbDrawn By:MUTECMUTECAUSPL+24VAUSPR12C

Page 21 - VIDEO IN & TUNER IO

1 2 3 4 56ABCD654321DCBATitleNumber RevisionSizeBDate: 2-Sep-2005 Sheet of File: D:\正在进行的项目\LCD TV\LCD TV .DdbDrawn By:MUTECR421kD74.7V+12C42100UF

Page 22 - FROM Tuner

1 2 3 4 5 6ABCD654321DCBATitleNumber RevisionSizeOrcad CDate: 3-Jun-2005 Sheet of File:F1250VAC 5A1234BD1STBR608LNR41.6MR51.6MR320KINV1COMP2MULT3C

Page 23 - TO AUDIO BD

- 3 -PRODUCT SAFETY NOTICEMany electrical and mechanical parts in this TVreceiver have special safety-related characteristics.These characteristics a

Page 24 - LVDS OUT

DisassemblyIn case of trouble, etc., Necessitating disassemble, please disassemble in the order shown in the illustrations.Reassemble in the reverse o

Page 25 - R. ANGLE

IC DESCRIPTION -MT8205G -AT24C02 -MX29LV160BBTC -LP2996 -AZ1117/H -WM8776 -MX232A -ISAV330

Page 26 - TUNER1 IN

12Pinout information HIGHA2AC11DVSS18T16DVDD18AD19A3PM2HIGHA6AE9VI9C20VCLK_DVIB23DVSS3N15DLLVSSK3BPA13CKEN26FCICLKAF22AD5AD16DQ30D26EBO4W2APLLVSSD

Page 27

13Pin Descriptions 2.3 Pin Descriptions Table 2-1 provides detail video/audio port pin descriptions. Table 2-1 video/audio port pin descriptions

Page 28

AT24C01A/2/4/8/162-WireSerial CMOSE2PROM1K (128 x 8)2K (256 x 8)4K (512 x 8)8K (1024 x 8)16K (2048 x 8)Features•Low Voltage and Standard Voltage Opera

Page 29

Block DiagramOperating Temperature... -55°C to +125°CStorage Temperature... -65°C to +150°CVoltage on Any Pinwith R

Page 30 - Disassembly

1P/N:PM1041 REV. 1.2, JUL. 01, 2004MX29LV160BT/BB16M-BIT [2Mx8/1Mx16] CMOS SINGLE VOLTAGE3V ONLY FLASH MEMORYerase operation completion.• Ready/Busy p

Page 31 - IC DESCRIPTION

LP2996DDR Termination RegulatorGeneral DescriptionThe LP2996 linear regulator is designed to meet the JEDECSSTL-2 specifications for termination of DD

Page 32

        SCDS164A – MAY 2004 − REVISED MAY 20041POST OFFICE BOX 655303 • DALL

Page 34 - Pin Configurations

KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE Product Specification Reference No. : LC27HAB001 Revision : 0 Date : 2005.08.1 Page

Page 35 - AT24C01A/02/04/08/16

_______________General DescriptionThe MAX202E–MAX213E, MAX232E/MAX241E linedrivers/receivers are designed for RS-232 and V.28communications in harsh e

Page 36 - MX29LV160BT/BB

MAX202E–MAX213E, MAX232E/MAX241E±15kV ESD-Protected, +5V RS-232 Transceivers 14 ______________________________________________________________________

Page 37 - DDR Termination Regulator

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval TFT LCD Approval Specification MODEL NO.: V270W1 - L03 Customer:

Page 38

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval - CONTENTS - REVISION HISTORY ---------------------------------------------------

Page 39

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval REVISION HISTORY Version Date Page(New)Section Description Ver 1.0 Ver 2.0 Augus

Page 40 - 19-0175; Rev 3; 5/96

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 1. GENERAL DESCRIPTION 1.1 OVERVIEW V270W1- L03 is a 27” TFT Liquid Crystal Dis

Page 41 - V.24 Asynchronous Interfaces

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 2. ABSOLUTE MAXIMUM RATINGS 2.1 ABSOLUTE RATINGS OF ENVIRONMENT Value Item Symbol

Page 42 - MODEL NO.: V270W1 - L03

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 2.2 ELECTRICAL ABSOLUTE RATINGS 2.2.1 TFT LCD MODULE Value Item Symbol Min. Max.

Page 43 - Approval

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval +5.0V (LCD Module Input)FUSE1uF C3 0.01uFC247K VR1 1K R2 2SK1470Vcc 1uF C1 Q2+12

Page 44

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval RR R B B B B GGGGBBB B B B G G G G R R R RR RRc. Vertical Stripe Pattern Active A

Page 45

KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE Reference No : LC27HAB001 Revision : 0 Date : 2005.8.1 Page : P. 2 of 8 General Desc

Page 46

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval Otherwise the lamp may not be turned on. Note (3) The lamp frequency may produce i

Page 47

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 4. BLOCK DIAGRAM 4.1 TFT LCD MODULE TFT LCD PANEL(1280x3x720) DATA DRIVER ICSC

Page 48

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 5. INPUT TERMINAL PIN ASSIGNMENT 5.1 TFT LCD MODULE Pin Name Description 1 NC No

Page 49

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 5.3 BLOCK DIAGRAM OF INTERFACE CNF1 R

Page 50

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 5.4 LVDS INTERFACE TRANSMITTER THC63LVDM83A INTERFACE CONNECTOR RECEIVER THC63LVDF

Page 51

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 5.5 COLOR DATA INPUT ASSIGNMENT The brightness of each primary color (red, gre

Page 52

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 6. INTERFACE TIMING 6.1 INPUT SIGNAL TIMING SPECIFICATIONS The input signal timing

Page 53

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 6.2 POWER ON/OFF SEQUENCE To prevent a latch-up or DC operation of LCD module,

Page 54

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 7. OPTICAL CHARACTERISTICS 7.1 TEST CONDITIONS Item Symbol Value Unit Ambient Temp

Page 55

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval Note (1) Definition of Viewing Angle (θx, θy): Viewing angles are measured by Eldi

Page 56

KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE Reference No : LC27HAB001 Revision : 0 Date : 2005.8.1 Page : P. 3 of 8 Stereo Deco

Page 57

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval Note (4) Definition of Gray to Gray Switching Time: Optical Response 100%90%10%0

Page 58

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval Note (7) Measurement Setup: The LCD module should be stabilized at given tempera

Page 59

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 8. PACKAGING 8.1 PACKING SPECIFICATIONS (1) 4 LCD TV Modules / Carton (2) Carton

Page 60

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval Corner Protector:L1020*50mm*50mmPallet:L1100*W1100*H135mmPallet Stack:L1100*W

Page 61

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 9. DEFINITION OF LABELS 9.1 CMO MODULE LABEL The barcode nameplate is pasted on ea

Page 62

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 10. PRECAUTIONS 10.1 ASSEMBLY AND HANDLING PRECAUTIONS (1) Do not apply rough f

Page 63

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 11. MECHANICAL CHARACTERISTICS 25 / 26 The information described in this tec

Page 64

Issued Date: September 18, 2003 Model No.: V270W - L03 Approval 26 / 26 The information described in this technical specification is tentativ

Page 65

Exploded View DiagramExploded View Diagram

Page 66

SPARE PART LISTItem Component Description/Country Origin Unit Quantity1 E1301-041090 CAPACITOR EC V A SAII 100M 16DC T05 PCS 12 E1501-001001 RESISTOR

Page 67

KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE Reference No : LC27HAB001 Revision : 0 Date : 2005.8.1

Page 68

9 370-42D101-01 RUBBER FOOT 20X20X7.0MM 42D1 PCS 410 379-972501-01Y SPECIAL RUBBER PARTS SPK 9725 PCS 811 379-972502-01Y SPECIAL RUBBER PARTS 9725

Page 69 - SPARE PART LIST

If you forget your V-Chip Password - Omnipotence V-Chip Password: 0000. - Press MENU button. - Press LEFT RIGHT buttons to highlight "MISC&quo

Page 70

Software upgrade Process - Power Switch OFF. - Connect the serial port of the control device to the RS-232 jack on the LCD-TV back panel. RS-232C

Page 71 - Software upgrade

KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE Reference No : LC27HAB001 Revision : 0 Date : 2005.8.1 Page : P. 5 of 8 Techni

Page 72 - Software upgrade Process

KAWA ELECTRONIC RESEARCH & DEVELOPMENT CENTRE Reference No : LC27HAB001 Revision : 0 Date : 2005.8.1

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