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ELENBERG LTV-3203
LVD3203 SERVICE MANUAL
CONTENT
PART 1Brief Introduction Of The LVD3203
Schematic Diagram
Printed Circuit

PART 2: Detailed Circuit
Main Board
Interface Board
Connecting Board
Receiver Board
Keystoke Board

PART 3: Parts List
Part 1 Brief Introduction Of The LVD3203
Schematic Diagram

DDR
5V REMOTE KEY
M16L64164A-5
DC TO DC AND LDO FLASH
3.3V


1.8V 29VL160


FROM POWER 12V EEPROM
ATMEGA8L IIC
SB_5V 24C16

DV_IN HDMI_INPUT
MT8293
MAIN IC
IF GAIN
RF IF SIF
TUNER
TDA9886 MT8200 LVDS TO PANEL


CVBSOUT SCART1_RGB
SCART1 AND SCART2 VGA_RGB
CVBS
SCART1_CVBS
CVBS CVBS
AV_CVBS SWITCH SWICTH
YPBPR
FSAV330 FSAV330 SCART1_CVBS
S_YC
IIS IIS
SPEAKER_L

L SWICTH YPBPR
L AUDIO SWITCH AND IIS
AMP AUDIO SWICTH DVD_AUDIO FSAV330
SPEAKER_R R CE2816 DVD AND
R TDA8932 FSAV330
RECODER I/O
DVD_YPBPR
YPBPR_AUDIO
18V




SCART1_AUDIO SCART2_AUDIO AV_AUDIO
AUDIO_OUT
Printed Circuit
1. Main board 3827C
A: TOP LAYER
B: BOTTOM LAYER
2. Interface Board 5105C
A: TOP LAYER




B: BOTTOM LAYER




3. Connecting Board 3830C
A: TOP LAYER
B: BOTTOM LAYER




4. Receiver Board3828C
A: TOP LAYER




B: BOTTOM LAYER




5. Keystoke board3829C
A: TOP LAYER




B: BOTTOM LAYER
Spare Parts List (LVD-3203)
Part
Item Description QTY
( = )
1 DVD BACK COVER 1 LVD-3203-1
2 PEDESTAL BACK COVER 1 LVD-3203-2
3 STRING CLIP 1 LVD-3203-3
4 PEDESTAL BACK COVER BOARD 1 LVD-3203-4
5 DVD JACK FIXING BOARD 1 LVD-3203-5
6 DVD MODULE 1 LVD-3203-6
7 KEY PAD BOARD 1 LVD-3203-7
8 FUNCTIONAL KEYPAD 1 LVD-3203-8
9 KEYPAD BRACKET 1 LVD-3203-9
10 DVD MODULE BOARD 1 LVD-3203-10
11 PEDESTAL 1 LVD-3203-11
12 PEDESTAL BRACKET 1 LVD-3203-12
13 METAL SOLEPLATE 1 LVD-3203-13
14 LCD SHIELD-COVER 1 LVD-3203-14
15 32 INCH LCD 1 LVD-3203-15
16 REMOTE RECEIVE BOARD 2635C01 1 LVD-3203-16
17 REMOTE WINDOW 1 LVD-3203-17
18 TRANSPARENCY LED 1 LVD-3203-18
19 FRONT FRAME ADRONMENT BAR 1 LVD-3203-19
20 FRONT FRAME 1 LVD-3203-20
21 ALTHORN 1 LVD-3203-21
22 SACKBUT 1 LVD-3203-22
23 MAIN BOARD 2713CO01 1 LVD-3203-23
24 TV BOARD 1 LVD-3203-24
25 MAIN BOARD SHIELD-COVER 1 LVD-3203-25
26 LEDGE FIXING BOARD (RIGHT) 1 LVD-3203-26
27 LEDGE FIXING BOARD (LEFT) 1 LVD-3203-27
28 BRACKET LINK BOARD 1 LVD-3203-28
29 POWER BOARD MLT-268A 1 LVD-3203-29
30 POWER SOCKET 1 LVD-3203-30
31 JACK FIXING BOARD 1 LVD-3203-31
32 BACK FRAME 1 LVD-3203-32
33 DVD SOCKET COVER 1 LVD-3203-33
34 TV BACK COVER 1 LVD-3203-34
35 REMOTE CONTROL 1 LVD-3203-35
5 4 3 2 1

J8 D6
J10 IN4007
R112 R110
VAC ! CY3
102/250VAC
10R/1206 10R/1206
C5
103/1KV D1 380V(5%) J12
IN5406 J10 C101 C102
R109 R111




102/200V
102/200V
J6
! L1 D2 J12.5 323V(5%) F2 ! TR1
10R/1206 10R/1206
L101
CON2
TJC3-10A CON5
FB1 L-PQ3225-04 EC4019 C110 TJC3-10A




11
104/50V L0620-050




4
JB10-50R R1 D101 +24V 1 1
J15




JB10-100R
F10U60S
.




510K/1206
20A150V CE103 CE104 2 2 +24V/4A




1
C1 R22 R21 CE102 3 3
. Z101




1


1


1
1000UF/35V




1000UF/35V
105/450V FB3 2M/1206 68K/2W R101 CE105 CE106 4 4




1000UF/35V
+ + +




1



1
NC




1000UF/35V




1000UF/35V
10K/1206
C2 C111
! + + 5 5




474/50V
105/450V C9 D4 D102 6 6
.




2




1
DB1 C6 CE1 + R2 103/630V



2

1




2


2


2
HER208G 20A150V 7 7




510K/1206
D10XB60 C13 MQ1 R27 R29
.




2




2



2
180UF/450V
1 2 8 8 GND



101/1KV
18N50 18R/0805 2M/1206




103/1KV
9 9
2




FB8




2
1 10 10
FB2 JB10-50R
JB10-50R GND
1 + - 4 R34 J102




3




2
R12 R13 R7 R4 D3 R9 2M/1206 D5 MQ2 JUMPER10 R174




10K/0805




33R/0805
510K/1206 BAS16 8N80 0R/1206
B ! B
0.2R/1W


0.2R/1W
J3 C15




BAS16
R16 R39
RT1 J10 VccU2 1 101/1KV R102 L102 RZ1 +24VA/1A
3D-13 R15 R35 J5
3




2K/0805 1
470K/1206 2M/1206 33R/0805 18R/0805
L0620-050 2




1
J1 R18




3
+ 3
J15
100K/1206
CE101 C109 4 GND
R36 U2 FAN7602 R108 R114 J101 470UF/35V 104/50V
R11 R10 R49 1M/1206 CON3




2
U1
1 Vstr 8
330K/0805




0/1206

20K/0805 FAN7529 Luvp R20 TJC3-4A
LF2 1 8 Vccpfc 10K/0805 R103 3.9K/0805 0/1206 J10
! ET24-10mH R89
0/1206
INV Vcc 2 Lat/PL NC 7 2K/0805 C112
2 7 104/0805
Comp Out 3 6 C108
Cs/Fb Vcc
CX2 3 6 R14 C10 R19 R50 R105
MOT GND 4 5 U3
104/275VAC
! 39K/0805 1%




47K/0805
Gnd Out
224/0805




0/1206




82K/0805
C3 EL817 102/0805
! ! 4 CS ZCD 5
VccU2




103/50V
4 1
C114 R113
CY2 R104 0R/1206
3 2
471/250VAC




1
13K/0805 1%




LF1 CY1 R6 C7 R8 C8 CE3 R26 R25 C29 1K/0805
! C4 R5 105/25V
473/0805
100K/0805




10K/0805




0.3/2W
ET24-10mH 471/250VAC C31 C28 Z1




1K/1206
47uF/50V
102/25V
R3 56PF/25V




104/0805




104/0805
NC
102/0805 + 3.3V/0.5W R30
! 4.7K/1206
U101 R106
CX1