
1860054
VGA SOCKET
15PIN
PCS
1J101
1910163
SOCKET
D-S
DSW-34
PCS
1J501
1860053
PCB
CONNECTOR
2×30P 2.54mm
PCS
1J807
1980067
HEADPHONE
SOCKET
ST-417-060-100-FM
PCS
2J806,J805
2310002
FUSE
125V 5A SHAPED 12.5 PCS
1F501
881867
IC
FDS9435A SOP
PCS
2Q504,Q505
882084
IC
SI9435 SO8
PCS
2Q504,Q505
882167
IC
9435M SO8
PCS
2Q504,Q505
1850009
IC SOCKET
32P PLCC
PCS
1IC102
882026
IC
RTD2020 PQFP
PCS
1IC101
881388
IC
24C16 SOP
PCS
1IC103
882085
IC
LVC14A SOP
PCS
1IC104
882092
IC
74LVC14A SOP
PCS
1IC104
882053
IC
AK33 SOT-223
PCS
4IC107,IC106,IC202,IC111
882121
IC
AK18 SOT-223
PCS
1IC203
881146
IC
LM1117MP-1.8
SOT-223
PCS
1IC203
882052
IC
AK25 SOT-223
PCS
1IC105
882028
IC
AC1501 TO263-5L
PCS
1IC501
882376
IC
TVP5146M1 PQFP
PCS
1IC201
882027
IC
THC63LVDM83R
TSSOP
PCS
2IC109,IC108
882226
IC
DS90C383 TSSOP
PCS
2IC109,IC108
1632176
PCB
21703-2
PCS
1
* THE MATERIALS OF LT2003S’ VIDEO BOARD IS A LITTLE DIFFERENT FORM
WHICH OF LT1703S,DUE TO THE LT1703S USING THE LVDS TO TRANSFER VIDEO
SIGNAL RATHER THAN LT2003S USING TTL. THERE’S NO
C168,C169,C170,C171,C172,C173,C174,C175, C176,C177,
C193,C197,C198,C199,C194,C195,C196,J1I,C108,IC109,L120,L121,L122,R138,R139,R
140,R141,R144,R145,R146,R147 IN LT2003.
BOM OF AUDIO BOARD VER: 1.6/Ver2.0
MATERIAL
CODE
MATERIAL
NAME
MODEL UNIT
A
M
OU
NT
NUMBER OF MATERIAL
0090181
SMT RESISTOR
1/16W 100
Ω
±5% 0603
PCS
5
R915,R916,R615,R616,R601
0090016
SMT RESISTOR
1/16W 1.5K ±5% 0603
PCS
2
R410,R411
0090642
SMT RESISTOR
1/4W 1.2K ±5% 1206
PCS
1
R503
0090537
SMT RESISTOR
1/4W 180
Ω
±5% 1206
PCS
2
R932,R417
0090538
SMT RESISTOR
1/4W 120
Ω
±5% 1206
PCS
1
R935
52
Summary of Contents for LT1703S
Page 1: ...SERVICE MANUAL LT1703S LT2003S ...
Page 3: ...NOTICE THIS DOCUMENT IS BASED ON THE LCD TV WITH INTERNAL MODEL LT1703S RU AND LT2003S RU 2 ...
Page 5: ...1 SAFETY PREAUTIONS 4 ...
Page 6: ...2 PREVENTION OF ELECTRO STATIC DISCHARGE ESD TO ELECTROSTATICALLY SENSITIVE ES DEVICES 5 ...
Page 7: ...3 Control Button Locations and Explanations Remote Control Illustration 6 ...
Page 8: ...7 ...
Page 9: ...Front Panel Illustration 8 ...
Page 10: ...OTHER INFORMATION 9 ...
Page 11: ...10 ...
Page 12: ...11 ...
Page 13: ...12 ...
Page 14: ...13 ...
Page 19: ...6 IC BLOCK DIAGRAM DESCRIPTION 6 1 RTD2020 6 1 1 FEATURES 18 ...
Page 20: ...7 1 2 BLOCK DIAGRAM 19 ...
Page 21: ...7 1 3 PIN ASSIGNMENTSCONTENTS 20 ...
Page 23: ...Control Interface 22 ...
Page 24: ...Digital Input Display Port 23 ...
Page 25: ...Miscellaneous Interface DDC Channel Power Ground 24 ...
Page 26: ...MCU Interface 25 ...
Page 27: ...7 2 STV82x6 Multistandard TV Audio Processor and Digital Sound Demodulator 26 ...
Page 29: ...28 ...
Page 30: ...29 ...
Page 31: ...7 3 ET0310 30 ...
Page 32: ...31 ...
Page 33: ...3 PINGOUT 32 ...
Page 34: ...33 ...
Page 35: ...7 4 SN75LVDS83 FLATLINK TRANSMITTER 34 ...
Page 36: ...35 ...
Page 37: ...7 5 LM4950 7 5W Mono BTL or 3 1W Stereo Audio Power Amplifier 36 ...
Page 38: ...37 ...
Page 39: ...7 6 LA7952 Video Switch for TV VCR Use 38 ...
Page 40: ...7 SCHEMATIC P C B WIRING DIAGRAM MAINBOARD FOR LT1703 39 ...
Page 41: ...AV BOARD FOR LT1703S AND LT2003S 40 ...
Page 42: ...TELETEXT AND AUDIO DECODE BOARD FOR LT1703S AND LT2003S 41 ...
Page 43: ...LVDS BOARD FOR LT1703S 42 ...
Page 44: ...TTL BOARD FOR LT2003S 43 ...
Page 45: ...MAIN BOARD FOR LT2003S 44 ...
Page 46: ...45 ...
Page 47: ...46 ...
Page 48: ...47 ...
Page 49: ...POWER SUPPLY BOARD FOR LT1703S AND LT2003S 48 ...
Page 50: ...49 ...