Daewoo E2019B User manual

0
Service Manual
Service Manual
-------------------------------------------------
Solution : Renesas C8
(T.RSC8.8A )
Model : E2019B/22B/24B
Version : Ver 1.0
Area : Mexico
TV System : NTSC-M,ATSC
-------------------------------------------------
--- 2011-12-30 ---

1
Service Manual
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: V236H1-LE2/V236H1-LE4 ----------------------------------------------7
5. Chassis Layout and Overall Wiring Diagrams -------------------------------- 8
5.1 E2019B/22B/24B Major Part Bom -----------------------------------8
6. Factory/Service OSD Menu andAdjustment -----------------------------------9
6.1 To enter the Factory OSD Menu ----------------------------------------------9
6.2 Factory Option -----------------------------------------------------------------10
7. Software Upgrading (upgrading
method) --------------------------------------11
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

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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) 466*150*364
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) 534 x 150 x 398
Container Loading(20/40/40HQ) 875/1800/2070 pcs
N.W(Kg) 4.2
G.W(Kg) 5.5
Model Name E2024B
Size 23.6"
Max. Resolution 1920x1080(HD)
Speakers 2x 3W(8/10W)
Max. Power Consumption <45W
Carton Dimension (W*D*H) 588 x 150 x 437
Container Loading(20/40/40HQ) 830 /1690/1830 pcs
N.W(Kg) 5
G.W(Kg) 6.4

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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 WD-0953A, ATSC_NO
DVD,NEC-00BF,(RC-WD0A04)
5.04.RS157AAA00001 Battry Battry AAA, ROHS

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Service Manual
3. Product Function
TV INPUT
NTSC
Tuner receiving range CH2~CH69 AIR
CH1~CH135 CABLE
In
p
ut im
p
edance 75
Video S
y
ste
m
NTSC
Sound System M
MTS
CC 608CC
ATSC
Tuner receiving range CH2~CH69 AIR
CH1~CH135 CABLE
In
p
ut im
p
edance 75
Input level -83~-8dBm (8VSB)
-62~-30dBm (256QAM)
C/N
≦16dB (Air)
≦28dB (Cable)
Channel
b
andwidth 6MHz
Modulation 8VSB 64
Q
AM 256
Q
AM
(
J
.83B
)
Video S
y
ste
m
MPEG-2MP
@
HL
Sound System AC-3
Basic Functions EPG, 708CC,
Advanced V-CHIP, EAS
VIDEO INPUT
PC-RGB Format Up to 1920x1080@60Hz
CVBS
Video System PAL/NTSC
Videolevel 1.0Vp-p+/-5%
Component 480i, 480p, 720p, 1080i, 1080p
HDMI 480i, 480p, 720p, 1080i, 1080p
AUDIO INPUT
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
AUDIO OUTPUT
Frequency 100Hz-15KHz @±3dB (1KHz 0dB reference signal)
Max Output
power
2x9W(8) THD+N<10% @1KHz
(Supply Voltage: 24V, Audio input: 0.5 Vrms)

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Service Manual
4. LED Panel Spec
4.1 E2019B
Spec:M185B3-LA1

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Service Manual
4.2 E2022B
Spec: M215HW01 VB

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Service Manual
4.3 E2024B
Spec: V236H1-LE2/V236H1-LE4

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Service Manual
Service Manual
5. Chassis Layout and Overall Wiring Diagrams
5.1 E2019B Major Part Bom
NParent 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
NParent 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
NParent 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)

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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.

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Service Manual
Service Manual
6.2 Factory Option
Factor
y
Menu Remark
RESET FAC DEFAULT
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
WB
Manual white balance adjustment, back-end RGB OFFSET
(Cutoff) and GAIN (Drive) adjustments. Save the settings by
AUDIO SETTING
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.
SETUP VGA DDC: DDC Write.
INIT FLASH
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.
Backli
g
ht Level Backlight brightness adjustment

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Service Manual
7. Software Upgrading (upgrading
method)
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．
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.
8.Key Board and IR LED Board Sch.

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Service Manual
9. Schematic Diagram Block ( MAIN Board )
1. Key and IR LED Connect
2. Lvds Connect
3. Main Power in Connect Backlighting ( OFF/ON, ADJ)
4. Speaker Connect

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Service Manual
10 . Printed Circuit ( MAIN Board )
10.1 MAIN Boadr TOP

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Service Manual
10.2 MAIN Boadr BOTTOM

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Service Manual
11. Schematic Diagram Block ( Power Board )
1.Power Output (12V, Main pcb Power) 2.AC IN (110～240V 50/60HZ)

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Service Manual
12. Printed Circuit ( POWER Board )
12.1 POWER Boadr TOP ( 32 inch )

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Service Manual
12.2 POWER Boadr BOTTOM ( 32 inch )

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Service Manual
13. Schematic Diagram Block ( LED Driver Board )
13.1 E2019B ( DEA-19R1 ) LED Driver Board
1. LED PANEL Backlighting
2. LED PANEL Backlighting control ( 12V/GND/ON_OFF/ADJ )
13.2 E2022B ( DEA-22R1 ) LED Driver Board
1.LED PANEL Backlighting
2. LED PANEL Backlighting control ( 12V/GND/ON_OFF/ADJ )
13.2 E2024B ( DEA-24R1 ) LED Driver Board
1. LED PANEL Backlighting
2. LED PANEL Backlighting control ( 12V/GND/ON_OFF/ADJ )

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Service Manual
14. Printed Circuit ( LED Driver Board )
14.1 E2019B ( DEA-19R1 ) LED Driver Board TOP
E2019B ( DEA-19R1 ) LED Driver Board BOTTOM