Roadstar LTD1088 Schematic

10.2” LCD TV/Monitor and DVD Player

Model No:LTD1088

BLOCK DIAGRAM

2

MPEG

BLOCK DIAGRAM

3

TV ELECTRICAL SPECIFICATION

REVISION 0

MODEL NO:

SUPPLY VOLTAGE DC:12V LOAD:8 Ohm

DESCRIPTION UNIT LIMIT NOMINAL No.1 NO.2 NO.3 NO.4

LTD1088 SECOM

OUTPUT:50mw

VL BAND
TUNING RANGE HIGH MHz 208 208
LOW MHz 55.75 55.75
COLOR/USABLE SENS
CH.2
CH.3 dB 32/50 22/46 24/43
CH.4 dB 32/50 22/46 24/45
IF REJ. CH.2 dB
IMAGE REJ. CH.4 dB
VHF BAND
TUNING RANGE HIGH MHz 280 280
LOW MHz 216 216

CH.10
CH.13
CH.25 dB 32/50 22/46 23/44

dB 32/50 22/46 25/46

dB 32/50 22/46 22/45 COLOR/USABLE SENS
dB 32/50 22/46

40
50

>40
>50

44
53

22/45

IF REJ. CH.10 dB
IMAGE REJ.
CH.25

LOW
COLOR/USABLE SENS

CH.14
CH.35
CH.45
CH.55
CH.69
IF RFJ. CH.14 dB
IMAGE REJ. CH.69 dB

dB

MHZ 791 791
MHZ 599.25 599.25

dB 36/52 22/46 33/48
dB 36/52 22/46 33/47
dB 36/52 22/46 35/49
dB 36/52 22/46 32/50
dB 36/52 22/46

40
50

40
50

>40
>50

>40
>50

50
52

30/50

45
52

TUNING RANGE HIGH

4

TV ELECTRICAL SPECIFICATION

MODEL NO

DESCRIPTION UNIT LIMIT NOMINAL NO.1 NO.2 NO.3 NO.4

H.V. MAX. Vp-p 1500±200 1500
L1 +12VDC V 12±1.0 11.8

L3 +5VDC V
U9 PIN2 +2.5VDC V 2.5±0.2 2.51

U10 PIN2 +3.3VDC V 3.3±0.2 3.3
DC CONSUMPTION(SOUND

MAX.)

SOUND (RF modulation deviation,SECAM
system,15K±5K)

MAX.OUTPUT
REF.THD/50mW
S/N
MIN. HUM

RESPONSE FH 6KHz FL 125Hz

LTD1088 SECOM

OUTPUT:50mw SUPPLY VOLTAGE DC:12V LOAD:8 Ohm

5.0+0.8-

0.2

W 15±2 14

W 0.7±0.2 0.7
％

dB >30 35

MV 10 5

dB 0±6 3
dB 0±6 3

2 1

5.03

5

ELECTRICAL SPECIFICATION

Production Type:DVD

Model NO:

escription Condition Unit Limit Nominal No.1 No.2 NO.3 NO.4

LTD1088 SECOM

Output: 1W/8 ohm Supply voltage:DC 12V

Video signal level
Vp-p 0.7

0.1
Sync level

0.1
Video out level

0.3

Audio out
level

Singal-to-noise radio
Dynamic range 1KHZ -60 dB dB
L/R Cross sound 1KHz/0 dB/L&R dB

1KHz Channel
unbalance

Power Consumption

Eccentricity
Scratch
Black dot
Finger Print
Vertical deviation

CD 1KHZ 0dB

DVD 1KHZ 0dB

75%color bar/75

Infinity / ∞ dB L&R

1KHz/0 dB/L&R dB 3
Standby W 4 <4

Rating
(DVD+MINOTOR)
A BEX TDV­552(DVD9)
A BEX TDV­541(DVD9)
A BEX TDV­545(DVD9)
A BEX TDV­545(DVD9)
A BEX TDV­563(DVD9)

Vp-p

Vp-p

3.0 ±

0.5

3.2 ±

0.5

dB

W

um 100
mm 1.6
mm 0.8
mm 0.065
mm 0.6

0.7 ±

0.3 ±

1.0 ±

3.2 3.2

3.4 3.4

55±5

≧50
≧50

≦20

0.3

1.0

55
55
55

＜3

15.5

＞100

＞1.6
＞0.8

＞0.065

＞0.6

6

ELECTRICAL SPECIFICATION

Production Type:AUX

Model NO:

AV IN (1KHZ. 1V –5dBm)

Description Condition Unit Limit Nominal NO.1 NO.2 NO.3 NO.4

L 1KHz, 1V mW
HEADPHONE
OUTPUT

MAX SPK.
OUTPUT

REF THD (SPK) 1KHz, 1V % 3.0 2.0
S/N (SPK) 1KHz, 1V dB 35.0 40

R 1KHz, 1V mW

L 1KHz, 1V W

R 1KHz, 1V W

LTD1088 SECOM

Output:1W/8 ohm Supply voltage:DC 12V

23±2

23±2
1±0.3
1±0.3

23
23

1.0

1.0

Luminance
White signal NIT

Bri max/Con max
Luminance

White signal NIT
Bri max/Con 50%

Amplifier FREQ
RESP(spk)

Headphone

FREQ RESP

91-EF-8004

300±

100

300±

100

20HZ dB
125HZ dB
10KHZ dB
20KHZ dB
20HZ dB
125HZ dB

10KHZ dB
20KHZ dB

±10 ±7

±3 ±1
±3 ±1
±3 ±1
±3 ±1

±3 ±1

±3 ±1
±3 ±1

300±50

300±50

7

IC BLOCK DESIGNATION

T101A

8

IC BLOCK DESIGNATION

NJM2880U

IN A1

IN B1

IN A2

IN B1

IN A11

IN B11

A/B

AD8509

V01

V02

V011

NC

NC

NC
INA1
INB1
INA2
INB2
INA3
INB3
INA4
INB4
INA5
INB5
INA6
INB6
INA7
INB7
INA8
INB8
INA9
INB9

NC

NC

NC

1
2
3
4
5
6
7
8

9
10
11
12

(Not to Scale)

13
14
15
16
17
18
19
20
21
22
23
24

AD8509

TOP VIEW

48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25

NC

NC
NC
NC
V

CC

GND
VO1
VO2
VO3
VO4
V

CC

GND
VO5
VO6
VO7
VO8
VO9
GND

V

CC

A/B
NC

NC
NC

NC

9

STK6011

IC BLOCK DESIGNATION

10

IC BLOCK DESIGNATION

24LC08B

24LC08B

FA7711V

11

IC BLOCK DESIGNATION

TDA7496L

HEF4066

12

IC BLOCK DESIGNATION

MP1580

NJM2234

MP1580

NJM2234

13

LD1117/UTC1117

IC BLOCK DESIGNATION

OUT A

-IN A

+IN A

LD1117

AD8532 ELM7S66

1

-

2

3

+

-

+

8

7

6

V+

OUT B

-IN B

V-

4

5

+IN B

14

HS9913

IC BLOCK DESIGNATION

HS9913

BA10358

15

MAIN PCB (TOP VIEW)

16

MAIN PCB (BOTTOM VIEW)

17

CONTROL/KEY PCB (TOP VIEW)

CONTROL/KEY PCB (BOTTOM VIEW)

18

KEY PCB (TOP VIEW)

KEY PCB (BOTTOM VIEW)

IR PCB (TOP VIEW)

IR PCB (BOTTOM VIEW)

19

TUNER PCB (TOP VIEW)

TUNER PCB (BOTTOM VIEW)

SD CARD PCB (TOP VIEW)

SD CARD PCB (BOTTOM VIEW)

20

MPEG PCB (TOP VIEW)

MPEG PCB (BOTTOM VIEW)

21

22

23

ELECTICAL PARTS LIST

LTD5108-LRT001 10.2” LCD TV/Monitor and DVD Player "ROADSTAR LTD1088"

No. Part No. Description Unit Quantity Ref. No.

1 02-HN-8001 TWO LAMP INVERTER PCB ASS'Y
2 02-EF-2202 KEY CONTROL BOARD PCB ASS'Y
3 02-EG-5002 IR PCB ASS'Y LTD-1004 (NO IR)
4 02-XN-6001 STAND ASS'Y LTD-5108
5 02-EF-1006 MAIN PCB ASS'Y LTD-5108 (SECAM-L)
6 02-HY-0001 FINAL LT D-5108 "ROADSTAR" (EUROPE)
7 02-EH-9701 TUNER PCB ASS'Y LTD-1005L
8 02-82-1002A 10” PANEL (SANYO)
9 82-MC-0101H MPEG ASS'Y (1389HE) ASS'Y

10 82-HT-2701 SD CARD PCB ASS'Y

EA 1
EA
EA
EA
EA
EA
EA
EA
EA
EA

1
1
1
1
1
1
1
1
1

ELECTICAL PARTS LIST

02-HY-0001 FINAL LTD-5108 "ROADSTAR" (EUROPE)

No. Part No. Description Unit Quantity Ref. No.

1 23-02-35130G F TO IEC ANT TACK EA 1
2 24-10-0243 AV CORD CABLE "HF" (AV2) 1.0M EA 1
3 24-EF-0221 SP Cord 2P R 350m/m EA 1
4 24-EF-0222 SP Cord 2P L 140m/m EA 1
5 24-EF-0232 HOUSING 5P->5P PITCH 2.0mm LINE 150mm EA 1
6 24-EF-0322 Connect 3P Sensor 140m/m EA 1
7 24-EF-0323 Connect 3P I2C PORT 200m/m EA 1
8 24-EF-0421 Connect 4P POWER 200m/m EA 1

9 24-EF-0421A Connect 4P POWER 200m/m EA 1
10 24-EF-0523 Connect 5P D-A 200m/m EA 1
11 24-EF-0526 Connect 5P TR 200m/m EA 1
12 24-EF-0623A Connect 6P DVD Key 160m/m (FOR MPEG PCB) EA 1
13 24-EF-0723
14 24-EF-0821 Connect 8P SINGAL INPUT 200m/m EA 1
15 24-EF-1024 Connect 10P DVD Output 200m/m (FOR 1389) EA 1
16 24-EF-1521 Connect 15P I/O CONTROL 200m/m EA 1
17 31-04-0010 NYLON TIE 10CM (CABLE TIES 2.5x98mm YJ-98) EA 2
18 33-14-1592 BATTERY SUM-4 NO MERCURY EA 2
19 37-44-0508A SPK BOX L3040FS 0H0-8B2B18 EAMS EA 2
20 38-93-0232 CAR CORD (ROADSTAR) UL FUSE 5A EA 1
21 39-06-3C41 SW ADAPTOR AC 100~240V DC12V/2A VDE EA 1
22 42-XS-0001A REMOTE CONTROL EA 1
23 51-HP-0101 JACK PLT EA 1

Connect 7P TV 200m/m 180∘

EA 1

24

ELECTICAL PARTS LIST

02-HY-0001 FINAL LTD-5108 "ROADSTAR" (EUROPE)

No. Part No. Description Unit Quantity Ref. No.

24 51-HP-0201 SENSOR COVER EA 1
25 51-XS-0004 REMOTE CONTROL PLT LTD-5108 "ROADSTAR" EA 1
26 58-EG-0201 MAIN PCB PC SHEET EA 1
27 58-EG-0301 MAIN PCB SHEET EA 1
28 58-HT-0101 Panel Washer OD16*ID3*T1 EA 4
29 59-CE-0101A SPONGE DVD-181 EA 1
30 60-EF-0201A
31 69-01-2003 SCREW TP 2.0x3 RD+ EA 2
32 69-21-2004 SCREW TP RD+ N 2*4 EA 2
33 69-21-2605 SCREW RD+ 2.6x5 BT ZI EA 8
34 69-21-3006 SCREW TP 3x6 RD+ EA 18
35 69-21-3008 SCREW TP 3*8 RD+ EA 7
36 69-22-3010 SCREW TP 3*10 RD+ BK EA 4
37 87-HP-0102 LCD Support LTD-5108 EA 1
38 87-HP-0201 SPEAKER MESH LTD-804 294.2mmX38.7mm EA 1
39 87-MH-0301 SPK WASHER (TUNER BKT) EA 1
40 88-EF-0301 DVD Key SLIVER EA 1
41 88-EF-0401 TV Key SLIVER EA 1
42 88-EG-0501 AV Key G/M EA 1
43 88-HP-0104
44 88-HP-0201 Rear Cabinet LTD-5128 G/M EA 1
45 90-HY-1001 S/N LABEL LTD-5108 "ROADSTAR" EA 2
46 90-HY-2001 BARCODE LTD-5108 "ROADSTAR" EA 1
47 91-HY-1001 IB LTD-5108 "ROADSTAR" (EUROPE) EA 1
48 91-HY-2001 WARRANTY CARD LTD-5108 "ROADSTAR" EA 1
49 93-HP-1003 GB "ROADSTAR" LTD-5108 EA 1
50 94-HP-1003 CTN "ROADSTAR" LTD-5108 EA 1
51 96-HP-0101 EPE POLYFOAM (L+R) LTD-5128 EA 1
52 97-00-0010 PE BAG 16CMx25CM EA 0.003
53 97-01-3845

PLATE 0.5t

F-CAB LTD-5108 SLIVER LTD-5108 "ROADSTAR"

PE BAG 38X45 (EPS)

EA 1

EA 2

EA 0.009

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40