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EN 20<br />
5.<br />
<strong>LC7.1E</strong> PA<br />
Service Modes, Error Codes, and Fault Finding<br />
SEMISTANDBY/ STANDBY<br />
Start<br />
Mute Audio<br />
BL_ADJ stop dimming<br />
(PWM duty cycle 100%)<br />
BL_ON_OFF = LOW<br />
300ms<br />
Wait 300ms<br />
Switch OFF LVDS<br />
20ms<br />
Wait 20ms<br />
LCD_PWR_ON = LOW<br />
Software Shutdown:<br />
LED = RED<br />
No<br />
Standby using<br />
“power key”<br />
For DVB Sets only (Semistandby)<br />
Wait for 3000ms<br />
Except power tact switch<br />
Yes<br />
LED = NO LED<br />
for Standby soft mode<br />
SDI PDP => CTRL_DISP1 = HIGH<br />
Off Air Downloading/ Recording Mode<br />
IBOZ send shut down command<br />
Disable Power Down INT &<br />
DC_PROT_INT<br />
BL_ADJ = LOW<br />
(PWM duty cycle 0%)<br />
WriteProtect for NVM<br />
Port Assignment in STANDBY<br />
Sets go to standby here<br />
40ms<br />
Total = 360ms<br />
STANDBYn = LOW<br />
Blocking for the next start up to ensure<br />
power supply discard properly.<br />
Wait for 3000ms<br />
End<br />
G_16860_071.eps<br />
220207<br />
Figure 5-8 Semi Stand-by/Stand-by flowchart
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