Daewoo E2019B, E2022, E2024B Schematic

Service Manual

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Solution : Renesas C8

(T.RSC8.8A )

Model : E2019B/22B/24B

Version : Ver 1.0

Area : Mexico

TV System : NTSC-M,ATSC

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--- 2011-12-30 ---

Service Manual

Lndex

0. Index ------------------------------------------------------------------------------------ 1

1. Specifications -------------------------------------------------------------------------- 2

2. Accessory List ------------------------------------------------------------------------- 3

3. Product Function ----------------------------------------------------------------------4

4. LED Panel Spec ----------------------------------------------------------------------- 5

4.1 E2019B

Spec: M185B3-LA1 -------------------------------------------------------------------5

4.2 E2022B

Spec: M215HW01 VB --------------------------------------------------------------6

4.3 E2024B Spec:

5. Chassis Layout and Overall Wiring Diagrams -------------------------------- 8

5.1 E2019B/22B/24B Major Part Bom -----------------------------------8

6. Factory/Service OSD Menu and Adjustment -----------------------------------9

6.1 To enter the Factory OSD Menu ----------------------------------------------9

6.2 Factory Option -----------------------------------------------------------------10

V236H1-LE2/V236H1-LE4 ----------------------------------------------7

7. Software Upgrading (upgrading

7.1 By USB Port---------------------------------------------------------------------11

8. Key Board and IR LED Board Sch. ------------------------------------- 11

9. Schematic Diagram Block ( MAIN Board ) ----------------------------------- 12 10 . Printed Circuit ( MAIN Board ) -----------------------------------------------13

10.1 MAIN Boadr TOP --------------------------------------------------------- 13

10.2 MAIN Boadr BOTTOM -------------------------------------------------- 14

11. Schematic Diagram Block ( Power Board ) ---------------------------------- 15

12. Printed Circuit ( POWER Board ) ---------------------------------------------16

12.1 MAIN Boadr TOP ( 19/22/24 Inch) --------------------------------------16

12.2 MAIN Boadr BOTTOM ( 19/22/24 Inch) ------------------------------ 17

13. Schematic Diagram Block ( LED Driver Board ) ------------------------ 18

14. Printed Circuit ( LED Driver Board ) -------------------------------19/20/21

15. Exploded view --------------------------------------------------------------------- 22

15.1 E2019B/22B/24B Exploded view ----------------------------------------22

16. Debug Instruction --------------------------------------- 23/24/25/26/27/28/29/30

17. Detailed Circuit ----------------------------------------------31/32/33/34/35/36/37

17.1 Power Board Detailed Circuit ( Sch) 19/22/24 inch -----------------31

17.2 Main Board Detailed Circuit ( Sch) 19/22/24 inch ---32/33/34/35/36/37

method) --------------------------------------11

Service Manual

1. Specifications

Model Name E2019B

Size 18.5"

Max. Resolution 1366x768(HD)

Speakers 2x 8W(8/10W)

Max. Power Consumption <28W

Carton Dimension (W*D*H)

Container Loading(20/40/40HQ) 1070 / 2270 / 2550 pcs

N.W(Kg) 3.6

G.W(Kg) 4.8

Model Name E2022B

Size 21.5"

Max. Resolution 1920x1080(FHD)

Speakers 2x 8W(8/10W)

Max. Power Consumption <35W

Carton Dimension (W*D*H)

Container Loading(20/40/40HQ) 875/1800/2070 pcs

N.W(Kg) 4.2

G.W(Kg) 5.5

466*150*364

534 x 150 x 398

Model Name E2024B

Size 23.6"

Max. Resolution 1920x1080(HD)

Speakers 2x 3W(8/10W)

Max. Power Consumption <45W

Carton Dimension (W*D*H)

Container Loading(20/40/40HQ) 830 /1690/1830 pcs

N.W(Kg) 5

G.W(Kg) 6.4

588 x 150 x 437

Service Manual

2. Accessory List

Parent Nombel Material Description

4.09.C6032A0US0DA1 User Manual Size:A5,MATCH:T.RSC8.10A, 3 countries lang.

5.03.00WD06SA00DA3 RCU

5.04.RS157AAA00001 Battry Battry AAA, ROHS

WD-0953A, ATSC_NO DVD,NEC-00BF,(RC-WD0A04)

Service Manual

(

)

3. Product Function

TV INPUT

NTSC

ATSC

Tuner receiving range

ut impedance 75

Video S

Sound System

CC 608CC

Tuner receiving range

Input level

C/N

Channel

Modulation

Video Syste

Sound System

ste

ut impedance 75

andwidth

CH2~CH69 AIR

CH1~CH135 CABLE

NTSC

MTS

CH2~CH69 AIR

CH1~CH135 CABLE

-83~-8dBm (8VSB)

-62~-30dBm (256QAM)

≦16dB (Air) ≦28dB (Cable)

6MHz

8VSB 64

MPEG-2MP@HL

AC-3

AM 256QAM

.83B

VIDEO INPUT

AUDIO INPUT

AUDIO OUTPUT

Basic Functions

PC-RGB Format Up to 1920x1080@60Hz

Video System PAL/NTSC

CVBS

Component 480i, 480p, 720p, 1080i, 1080p

HDMI 480i, 480p, 720p, 1080i, 1080p

PC-RGB Earphone input 0.2 – 1.5 Vrms

CVBS L/R RCA input 0.2 – 1.5 Vrms

Component L/R RCA input 0.2 – 1.5 Vrms

Frequency

Max Output

power

Videolevel 1.0Vp-p+/-5%

100Hz-15KHz @±3dB (1KHz 0dB reference signal)

2x9W(8) THD+N<10% @1KHz

(Supply Voltage: 24V, Audio input: 0.5 Vrms)

EPG, 708CC,

Advanced V-CHIP, EAS

4. LED Panel Spec

4.1 E2019B Spec:M185B3-LA1

Service Manual

4.2 E2022B Spec: M215HW01VB

Service Manual

4.3 E2024B Spec: V236H1-LE2/V236H1-LE4

Service Manual

5. Chassis Layout and Overall Wiring Diagrams

5.1 E2019B Major Part Bom

N Parent Nombel Material Description

1 7.11.SP104804A0LK1 B/T Adapter(Power Boadr) LEKE, LK-SP104804A,ROHS

2 7.15.TRSC88A000CV2 Main Board CVT, T.RSC8.8A, ATSC, ROHS 3 1.18.LED185CMB3LA1 LCD Panel CMO，M185B3-LA1 ， ROHS 4 1.22.02SJ103308142 Speaker SJX,SJ-1003230, 4Ω/5W, ROHS

5 7.05.E2032B0000002 Key Board E2032B,ROHS

6 7.04.C2019B0000001 IR LED Board C2019B,ROHS 7 7.11.LE190103F0LK1 INVERTER(恒流板) LEKE, LK-LE190103F,ROHS

5.2 E2022B Major Part Bom

N Parent Nombel Material Description

1 7.11.SP104804A0LK1 B/T Adapter(Power Boadr) LEKE, LK-SP104804A,ROHS

2 7.15.TRSC88A000CV2 Main Board CVT, T.RSC8.8A, ATSC, ROHS

3 1.18.LED215AUHW010 LCD Panel AUO,M215HW01 VB,1920x1080, ROHS 4 1.22.02SJ103308142 Speaker SJX,SJ-1003230, 4Ω/5W, ROHS

5 7.05.E2032B0000002 Key Board E2032B,ROHS

6 7.04.C2019B0000001 IR LED Board C2019B,ROHS 7 7.11.HQLED22L00HQ1 INVERTER(恒流板) HQ-LED22L,ROHS

5.3 E2024B Major Part Bom

N Parent Nombel Material Description

1 7.11.SP104804A0LK1 B/T Adapter(Power Boadr) LEKE, LK-SP104804A,ROHS

2 7.15.TRSC88A000CV2 Main Board CVT, T.RSC8.8A, ATSC, ROHS

3 1.18.LED236CMH1LE2 LCD Panel CMO, V236H1-LE2, 1920*1080,ROHS 4 1.22.02SJ103308142 Speaker SJX,SJ-1003230, 4Ω/5W, ROHS

5 7.05.E2032B0000002 Key Board E2032B,ROHS

6 7.04.C2019B0000001 IR LED Board C2019B,ROHS 7 7.11.HQLED07K00HQ1 INVERTER(恒流板) HQ-LED07K, ROHS(自带 350 mm FFC线)

Service Manual

6. Factory/Service OSD Menu and Adjustment

6.1 To enter the Factory OSD Menu

Notice: Remote control

1. Press "MENU" "1" "1" "4" "7" button and enter factory mode.

2. Press “▲ / ▼ ” button select the function menu, Press “ ◄ / ► ” button enter factory OSD Sub menu and adjust values in the menu.

3. Press “MENU”or "EXIT" button exit factory Sub menu and OSD main menu.

6.2 Factory Option

FactoryMenu Remark

RESET FAC DEFAULT

Service Manual

Clear all user settings including channel information, but does not include the factory

white balance menu, LVDS Map, Backlight, Audio Level setting is generally

completed in the test machine to do this. This process will need to wait for a few

AUDIO SETTING

SETUP

INIT FLASH

Backli

ht Level

Manual white balance adjustment, back-end RGB OFFSET

(Cutoff) and GAIN (Drive) adjustments. Save the settings by

Input Volume: channel regulation by the Speaker of the group

sound output power.

Input Volume(Line Out) :Channel regulation by the sound of

each group of Line-Out output power.

Output Volume :Adjust the overall output power of the Speaker

Sound.

Vol Curve: Adjust the volume curve.

VGA DDC: DDC Write.

Data area of the Flash format, clear all user settings including channel information,

menu and all the factory settings. This process will need to wait for a few seconds

automatically shut down.

Backlight brightness adjustment

Service Manual

7. Software Upgrading (upgrading

In the standby state, plug USB disk, pressing the button POWER，the process started ifthe red indicator light into blue。It has access to USB upgrade condition while the indicator light turns blue to red again. Please do not power off during the upgrading，The whole upgrading last about 60s, it will automatically restart after the success of upgrading

method)

7.1 By USB Port

7.1.1 Upgrading from USB port (build in Main board)- At working ;

7.1.2 Copy F/W to USB disk, U:/ C8AllCompBase.bin (File Name should be rename to C8AllCompBase.bin and should be set to

root directory)

7.1.3 plug USB disk (AC OFF).

7.1.4. AC on, Auto reflash, LED status: Red+Blue=> R+B=> R=>

B=>R=>B …….

7.1.5 LED keep Red , TV get into STB, Action complete, upgrading success.

7.1.6 Move USB disk, Pressing Power key running TV.

．

.Key Board and IR LED Board Sch.

+ 26 hidden pages