Service manual
SERVICE MANUAL LS07 chassis
20
Socket definition
number name Connect object Function description
1 JP1 Connect socket +12V, +12V, GNG, GND(use when inside power supply
plank JP2 not use )
2 JP2 Connect adapter +12V, GND, GNDuse when outside connect adapter
JP1not use
3 J8 Connect outside VGA audio
input
4 J1 Connect outside VGA input
5 J3 Connect outside HD-YpbPr
input
6 J4 Connect outside HD audio
input
7 J2 Connect outside S-video
signal input
8 J20 Connect outside AV input
9 J9 Connect inside DVD signal
input
10 J21 Connect inside DVD signal
input
11 J7 Connect inside DVD K
panel
Look circuit diagramthe second pin is 3.3V
12 J12 Connect earphone output
panel
13 J14 Connect speaker
14 J13 Connect speaker
15 J6 Connect TV K panel Look circuit diagram the second pin is 3.3V
16 J5 Connect remote control Look circuit diagramthe fifth pin is 3.3V
17 J11 UOC debug socket
18 J10 DPF digital photo-frame
signal input
19 J17 Connect display screen
TTL screen
AU 20”,15”
20 J16 Connect display screen
LVDS screen
SAMSUNG 15”,17”
21 J22 Connect display screen
TTL screen
LG 20”,17”
22 J15 MST518 debug socket
23 J19 Supply DVD or DPF power Look circuit diagramthe first second third pin are 3.3V
24 J18 Connect inverter +12V, +12V, poor light switchGND, DND,GND
Explain of Main element