Service manual

SERVICE MANUAL LS07 chassis
21
No. name
element
Function description
A
A1 RF tuner TAF5-C21P1RW RF input, IF output
B U2
UOC(TDA15063H) Video decode and MCU control
C U3
MST518 AD converter and format transition
D U20 PI5V330A Video switch on/off
E U6 PI5V330A Video switch on/off
F U11
IRF7316 MOS switch
G U9
LM2596-5.0 Linear voltage IC
H U23
LM2596-5.0 Linear voltage IC
I U19
NTMS10P02 MOS switch
J U21
TDA1517AWT Audio power amplifier
K U8
TDA1517AWT Audio power amplifier
L U4
24LC32A EEPROM(store user control information)
M Q9
Si2311DS MOS switch
N U12
IRF7316 MOS switch
O U1
24LC21A EEPROM(store display parameter information)
Chapter Four Typical troubleshooting flowchart and
example
1
Typical troubleshooting flowchart
1not anything(haven’t sound ,haven’t picture, haven’t indicator light),and not
respond key-pressremote control.