Philips LC7.1HE LA Service Manual page 27

Service Modes, Error Codes, and Fault Finding
Start Up
Error 2
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Notes:
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1. LC07 TV software only start communication with IBOZ once
receive the INT message from IBOZ.
For DVB Sets only (Semistandby)
Recording mode
SDI PDP => CTRL_DISP1 = HIGH
Recording Mode finished
Software Shutdown:
WP for NVM
Port Assignment in STANDBY
STANDBYn = LOW
Standby
Normal Mode
+5VSTBY & +3V3STBY Available (1)
RENEAS POR by +3VSTBY (2)
160ms
InitCold Component:
1. Check SDM port.
- If SDM pin = LOW and NVM first 20Byte =
Error 6 - NVM
0xFF, reload Software default NVM value.
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2. Check Panel port.
- If Panel Pin = LOW and check slave address
0x65 = 0xA5, Enter Panel Mode.
No
LED =
Standby Normal Mode
LED =
(RED LED)
Port Assignment in STANDBY
Wait for RC key or
Wake up event
SDI PDP => CTRL_DISP1 = LOW
(Same function as CTRL-DISP3)
500ms
Wait for 100ms
No
Time out = 2000ms
100ms
Error 7
Initialise IF Demodulator, Afric
Error 8
Error 9
Error 11
BL_ADJ = HIGH (100% Duty Cycle)
1700ms
Error 3
Yes [Protection]
* For iTV, 1080P, Ambi Light
Figure 5-7 Start-up flowchart
AC ON
(1) +5VSTBY to be measured
at PDTC114ET (item 7322)
(2) to be measured at pin 4
STANDBYn = LOW
of BD45275G (item 7312)
Last status is ON?
Yes
Read NVM completed.
STOP I²C activities.
BLUE for Normal mode
RED for Recording mode
20ms
BLOCK RC Key
M16C RST_H = HIGH
RST_HDMI = LOW
RST_AUD = LOW
RESET_n = LOW
1000ms to
LCD_PWR_ON = LOW
1500ms
STANDBYn = HIGH
* BL_ADJ keep 100% for 3000ms
Wait for 500ms
Is Power Down =
HIGH?
Yes
Wait for 100ms
M16C RST_H to LOW
RST_HDMI = HIGH
RST_AUD = HIGH
RESET_n = HIGH
No
Enable Power Down INT
Enable DC_PROT INT
Initialise Tuner
TDA9886T
Initialise Micronas
Mute Audio
Initialise HDMI, Sil9023
Error 5 - Trident
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Initialise Trident CX
Error 10 – SDRAM 7204
DPTVInit( )
Error 14 – SDRAM 7205
Initialise FHP Panel
* For FHP PDP Sets only
Error 17 – AmbiLight
Initialise Bolt-ON
Error 18 – iTV iFace
Error 19 – 1080P
Enable RC Key
DVB recording mode
LC7.1HE LA 5.
User wake up the sets
in DVB recording mode
LCD_PWR_ON = HIGH
(Same function as CTRL-DISP2)
SDI PDP => CTRL_DISP1 = LOW
Wait for 20 ms
Switch ON LVDS Signal
Init. Warm Component
(For software)
For LCD:
BL_ON_OFF = HIGH For PDP:
3000ms delay
before dimming.
Blank Picture
Picture Mode Setup & Detection
unBlank Picture &
UnMute Audio
End
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