akira LCT-17CHST, Service Manual

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Model No.: LCT17CHST.doc
Version: 1.0
KEY PART AND FUNCTION
No. Name Element Function Description
A A1 RF tuner TAF5-E2I21RW2 RF input, IF output
B U2 UOC(TDA15021H) 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)
SOCKET AND DEFINITION
ITEM NAME FUNCTION
1 PWM PWM Dimming
2 APWM Analog PWM dimming
3 ON/OFF
Backlight On Off: 2.4-5.0V On
0-1V Off
4 GND
5 RX0- LVDS
signal
6 RX0+ LVDS signal
7 GND
8 RX1- LVDS
signal
9 RX1+ LVDS signal
10 GND
11 RX2- LVDS
signal
12 RX2+ LVDS signal
13 GND
14
RCLK- LVDS clock signal
15 RCLK+ LVDS clock signal
16 GND
17 RX3- LVDS
signal
18 RX3+ LVDS signal
19 GND
20 N.C.
21 N.C.
22 N.C.
23 GND
24 GND
25 GND
26
Panel power Module power
27 Panel power Module power
28 Panel power Module power
29 Panel power Module power
30 Inverter power Inverter logic power