Philips LC7.5E, Руководство по обслуживанию

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Service Modes, Error Codes, and Fault Finding EN 25 LC7.5E LA 5.
Figure 5-16 Start-up flowchart
AC ON
LC07S
Start Up
M16C RST_H = LOW
HDMI_RST_RX_BUF=LOW
RST_AUD = LOW
RESET_n = LOW
LCD_PWR_ON = LOW
SDI PDP => CTRL_DISP1 = LOW
(SVP_Trident) M16C RST_H to LOW
HDMI_RST_RX_BUF= HIGH
RST_AUD = HIGH
(IBO) RESET_n = HIGH
M16C POR by +3VSTBY
STANDBYn = LOW
V1.5
13 June 2007
+5VSTBY & +3V3STBY Available
Initialise Trident WX
KMNPLL Latch data need 50us setup time
BL_ADJ = HIGH (100% Duty Cycle) first!!
DPTVInit( )
LCD_PWR_ON = HIGH
(Same function as CTRL-DISP2)
SDI PDP => CTRL_DISP1 = LOW
For LCD:
BL_ON_OFF = HIGH
* BL_ADJ keep 100% for 1000ms
then reduce gradually to 70% from
1001ms to 3000ms .After 3000ms
do the dimming according to
picture content.
Switch ON LVDS Signal
Wait for 20 ms
Init. Warm Component
(For software)
Initialise IF Demodulator, Afric
TDA9886T
Initialise Tuner
Initialise HDMI Receiver, Sil 9125
Initialise Micronas
Mute Audio
Initialise FHP Panel (Provision)
* For FHP PDP Sets only
Initialise Bolt-ON
(100Hz, iTV, USB) TBC
Last status is ON?
No
No
End
Standby Normal
Mode
Yes
Wait for RC key or
Wake up event
Wait for Power Local Key
20ms
Enable Audio Mute ( 50ms)
STANDBYn = HIGH
(Same function as CTRL-DISP3)
Is Power Down =
HIGH?
Enable Power Down INT
Enable DC_PROT INT
Wait for 100ms
Wait for 100ms
Time out = 2000ms
No
Error 2
[Protection]
Yes
Wait for 300ms
Blank Picture
Picture Mode Setup & Detection
Error 5 - Trident
[Protection]
Yes
DVB recording mode
No
Yes
WP for NVM
STANDBYn = LOW
Standby
Normal Mode
Recording Mode finished
Software Shutdown:
LED = BLUE for Normal mode
LED = RED for Recording mode
User wake up the sets
in DVB recording mode
BLOCK RC Key
Enable RC Key
Yes
Error 7
Error 8
Error 9
Error 11
Error 3
[Protection]
Standby Normal Mode
( RED LED)
Disable Audio Mute
Standby Soft Mode
(NO LED)
2000ms to
2500ms
100ms
300ms
500ms
SDI PDP => CTRL_DISP1 = HIGH
FHP PDP => CTRL_DISP4 = LOW
For DVB Sets only (Semistandby)
Recording mode
Notes:
---------
1. LC07S TV software only start communication with IBOZ once
receive the INT message from IBOZ.
2.Initialise HDMI MUX & Buffer IIC address ( EDID,CEC)
3.RESET_n is to reset IBOZ
4. Enable Mute mean ANTI_PLOP= LOW, MUTEn=HIGH
5. Disable Mute mean ANTI_PLOP = HIGH, MUTEn=LOW
150ms
Disable Audio Mute
Port Assignment in STANDBY
Port Assignment in STANDBY
Port Assignment in STANDBY
unBlank Picture &
UnMute Audio
Read NVM completed.
STOP I²C activities.
InitCold Component:
1. Check SDM port.
- If SDM pin = LOW and NVM first 20Byte = 0xFF,
reload Software default NVM value.
2. Check Panel port.
- If Panel Pin = LOW and check slave address
0x65 = 0xA5, Enter Panel Mode.
Error 6 - NVM
[Protection]
Error 10 – SDRAM 7204
[Protection]
Error 14 – SDRAM 7205
[Protection]
Error 19 – 1080P
Error 17 – AmbiLight
Error 18 – iTV iFace
For PDP:
3000ms delay
Initialise HDMI Buffer, Sil 9181
Initialise HDMI Mux, Sil 9185
Error 21
Error 22
AmbiLight Set
Initialise AmbiLight
Wait for IBO Config
MAX 500 ms
HDMI_MUX_RST
Reset (LOW =150ms) then go to HIGH
Wait for IBO System Ready
MAX 5000 ms
Wait for 100ms
M16C RST_H = HIGH
* 50ms for 1V2 DC-DC wait
* 50ms for Trident requirement
100ms
* 100ms for 12V rising
50ms
H_17370_056.eps
090807