Elenberg LVD-1502 User manual

LVD-1502SERVICE MANUAL
CONTENT
PART1 Brief Introduction Of TheLVD-1502
Standard features
Schematic Diagram
Printed Circuit
PART2 Exploded view
PART3 Key IcsAnd Assemblies
PART4: Detailed Circuit
Main Board
◆DVD Board
◆PowerBoard
HI-voltage Board
PART5: Parts List

Part 1Brief Introduction Of The1510CB
standardfeatures
Thisproduct incorporates aDVDplayer,LCDdisplayandTV
receiverinonesystem,whichiscommonlyreferredtoas a
“combo.”
multimode:
TV mode
SCARTmode
COMPOSITEmode
S-VIDEOmode
COMPONENTmode
VGAmode
DVDmode
high performancedesign:
high resolution:
AdoptsMPEG2decoding formatto
achieve horizontalresolution of morethan 500 lines.
superior sound:
Built-inDolby Digitaldecodertoachievesuperioraudioperformance (when
available).
LCD (liquidcrystal display):
The 15" color TFTliquidcrystaldisplay supportshigh-qualityWXGAviewing mode
and 16.7million colors.
stereo amplifier:
Built-in3watt speakers(X2) provide high qualitysound at varying volumelevels.
A/Vand VGAinputs:
Can be connected externalaudio and video signalsources and/oraPC.
multi-audioand multi-video modes:
Supportsmulti-audioand multi-video modes;providinggreater usage flexibility.
special functions:
Sleepmode allowsforprogrammed shut off.

advancedplaying features:
AutoDVD Function
WhetheritisinDVDmode,when inserting adisc intothedisc tray,the unitwillshift
toDVD mode and startplayback automatically;when ejecting the disc,itwill return
tothe priormode automatically.
compatibility:
DVD,CD,CD-R,CD-RWand JPEG-type discs areall compatiblewiththisproduct.
all playback functions:
Fast forwardand reverse, slowplayback andrepeat playback areall standard.
special playback:
ThisLCDTV-DVD playersupportsmulti-angle,language& subtitleplayback forfull
use of the range of aDVD features.
PLEASE NOTE:
Occasionally,lightordark pixelscan appear on LCD panelsas partofthe
manufacturing process, and isconsiderednorma

SchematicDiagram

Printde circuit
Mainboard2973C(Top layer view)

Mainboard2973C(Bottom layerview)

DVD Board 3446C(Top layer view)

DVD Board 3446C(Bottom layerview)

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Power Board 2956C(Top Layer View)
Power Board 2956C(Bottom Layer View)
RemoteControl Board 2541C(Top layer view)

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RemoteControl Board 2541C(Bottom layer view)
Inverter board 2827C(Top layerview)
Inverter board 2827C(Bottom layer view)
Keypad board 3479C(Top layer view)

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Keypad board 3479C(Bottom layer view)

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PART2Exploded view
Explodedview

Part
(Код ЗЧД=Номер ЗЧД)
1Outlet cover 1 LTD-61502-RE005
2Mainboard 2973C01 1 LVD-1502-2
3Digital TV board 1 LVD-1502-3
4Right-hand board of shieldcover 1 LTD-61502-PT02
5Baffleof connecting caput 1 LTD-61502-RE006
6Upperand loweradornment bar 2 LTD-61502-RE003
7Keypadboard 3479C01 1 LVD-1502-7
8Button 1 LTD-51702-RE005
9Backframe 1 LTD-61502-RE002
10 Handlefixing board 1 LTD-51702-PT07
11 U typesilica gel pad 1 LVD-1502-11
12 Damprotateshaft 1 LVD-1502-12
13 Handle 1 LTD-51702-RE007
14 Moduleof loader 1 DL-05FS-L40P
15 Fixing framefor loader 1 LTD1520PT-05
16 Decorativeborderof disccover 1 LTD-51702-RE013
17 DVD board 3466C01 1 LVD-1502-17
18 Hi-voltageboard 1 LVD-1502-18
19 Powerboard 2956C01 1 LVD-1502-19
20 Left and right adornment bar 2 LTD-61502-RE004
21 Backrotateshaft cover 1 LTD-51702-RE009
22 Hardwarebracket 1 LTD-51702-PT08
23 Uppercoverof pedestal 1 LTD-51702-RE010
24 Lowercoverof pedestal 1 LTD-51702-RE011
25 Soleplate 1 LTD-51702-PT09
26 Formerrotateshaft cover 1 LTD-51702-RE008
27 Undersideboard of shieldcover 1 LTD-61502-PT03
28 Shieldcover 1 LTD-61502-PT04
29 LCD fixing frame 2 LTD1510-PT16
30 LCD shieldboard 1 LTD-61502-PT01
31 15 InchLCD SVA 1 LVD-1502-31
32 Speaker 2 LVD-1502-32
33 Remotecontrol board 2541C 1 LVD-1502-33
34 Remotecontrol eyeglass 1 LTD-51702-RE012
35 Front frame 1 LTD-61502-RE001
TUNER ASS'Y MPE05-1-E 1 LVD-1502-77 юнер
REMOTE CONTROLRC-6024 1 RC-6024 ПДУ
Remark
Spare Parts List (LVD-1502)
DescriptionItem QTY

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Part 3Key ICsAnd Assemblies
OnMainBoard OnDVD board
Serial
No Position Type Serial no
Position
Type
1 3U4 CD4052 1 U2 BA033
2 4U1 AT24C32AN 2 U3 AZ1117H-1.8
3 2U4 24C02 3 U6 MT1389DE/E
4 3U6 MSP3415G 4 U4 BA5954
5 1U11U3 AP1513S 5 U5 BA6287
6 4U2 AT49BV040B 6 U7 24C16
7 1U2 FDS9435 7 U8 IS42S16400B-7T
8 4U3 FLI8125-LF 8 U9 MX29LV160BBTC-70
9 2U7 FSAV330 9 U11 NJM4558
10 1U4 LM1117DTX-1.8V
10 U10 CS4344
11 3U2 L7808C-V
12 2U12U22U3
2U52U6 PESD5V0L5 OnPowerboard
13 3U5 TDA1517P 1 U5 FSCM0765RGWDTU
2 U2 PC817
3 U3 KA431AZ
OnHI-voltage Board
1 U1 BIT3193
2 Q2,Q6 AP4511M

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ICSONMAIN BOARD
1. AP1513
·Block Diagram

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2. CD4052
The CD4052Bisadifferential 4-Channel multiplexer having twobinarycontrol inputs, A and B,
and an inhibit input. The twobinarysignals select1of 4pairs ofchannels tobe turned on and
connect the analog inputs tothe outputs.
·Pinputs

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.
3．FLI8125
The FLI8125is acost-effective, highly-integrated, mixed signal solution for TVand Digital
Video applications. It incorporates amulti-standard video decoder, high-speed triple 8-bit
Analog-to-Digital Converter(ADC),andfront end switching.An integrated VBISlicer addsClosed
Captioning(CC)and Teletext servicesupport, and the built-in microprocessor enables full system
control without external devices.

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Features
·Pinput

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4．FDS9435