21HS-50F
CHASSIS LAYOUT
SECAM UNIT
LED FLASHING CODE
2
PURPOSE: The led indicates the power mode,ocurred IC error and On timer
INPUT:- Current power mode
2
- IC Errors
- On timer
Processing:- If in STANDBY mode and On timer in-active then switch LED off.
- If in STANDBY and On timer active
set LED to blinking, (switch on and off at 1 Hz with a 50 % duty cycle).
- If in POWER-ON mode, switch LED on.
2
- If an IC error occurred, let the LED blink at 1 Hz, 50 % duty cycle.
For the blinking times see the Table below.
2
Note:Only when an IC error occurs for a number of times, or for a number of seconds,
2
the IC error is handled by the system (that is ,only then the set will go to standby,
the led starts blinking).
IC/Module NameSlave Address Bus Error LED RemarksRef. No.
Blinking Time
M24C04A0,A22512x8 EEPROMIC1002
TDA935x/6x/8x8A3Address of internal TV processorIC801
VTST6HD64 orC06PLL TunerTU201
CTF551C06
MSP34x5G805Multistandard Sound ProcessorIC3001
Table Error LED blinking times
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