8
Description of procedures: When the power is turned on, the main board will be supplied with
5V_STB; the relay will close after the main board sends out the power supply signal of ON/OFF; the
main power is started to supply 12V, 5V, and 24V for audio-use to the main board and 24V to the
INVERTER.
The 12V power goes into the main board through XPE008-XP8 to supply the TCON board of the
LCD screen (if the input voltage is 12V).
The 5V power goes into the main board through XPE008-XP8 to supply the TCON board of the
LCD screen (if the input voltage is 5V).
The 5V power is supplied through N8 (1117-2.5) to MST main chip and DDR, 3.3AVDD is supplied
through N7 (LD1117-3.3) to MST main chip, 3.3V is supplied through N10 (1084-3.3) to MST for
digital-use and 1.8V is supplied through N14 (DC
－
DC) to MST 1.8V.
The 24V power is supplied through XPE004-XP9 to the main board for the audio amplifier, of
which the 12V power is supplied to 7808(N5) and converted to 8V which is then to 5V and supplied
through U6 (LD1117-5) to the tuner.
The 24V power is supplied to the INVERTER of the LCD screen:
Содержание RL-32B02
Страница 9: ...9 II Signal Processing Section MST analog 3 3 Boosting MST digital 3 3...
Страница 23: ...23...
Страница 24: ...24 IV Debugging of Chassis...
Страница 31: ...31 Select the option of System in the Control Pane window...
Страница 32: ...32 Click the System icon and the following window will pop up Select Hardware option...
Страница 33: ...33 Click the Equipment Management button and the following window will pop up...
Страница 34: ...34 Select Port COM and LPT1 Select ECP Printer Port LPT1...
Страница 35: ...35 Click the ECP Printer Port LPT1 and the following window will pop up...
Страница 37: ...37 2 Select the icon of ISP_TOOL4 0 9 3 Double click mouse left key and the following window will pop up...
Страница 47: ...47 The following window will pop up Left single click on Connect button and the following window will pop up...
Страница 49: ...49 When the upgrading is finished the following window will pop up The upgrading is completed by now...
