Sharp 21HS-50N Service Manual - Page 13

Browse online or download pdf Service Manual for TV Sharp 21HS-50N. Sharp 21HS-50N 44 pages. Pal b/g system colour television

Sharp 21HS-50N Service Manual
PURPOSE:
INPUT:
Processing:
Note:
IC/Module Name
M24C04
TDA935x/6x/8x
VTST6HD64 or
CTF551
MSP34x5G
Table Error LED blinking times
F 7341N0 PRINTED WIRING BOARD.
Y

LED FLASHING CODE

The led indicates the power mode,ocurred I
- Current power mode
2
- I
C Errors
- On timer
- 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 I
C error occurred, let the LED blink at 1 Hz, 50 % duty cycle.
For the blinking times see the Table below.
2
Only when an I
C error occurs for a number of times, or for a number of seconds,
2
the I
C error is handled by the system (that is ,only then the set will go to standby,
the led starts blinking).
Slave Address
Bus Error LED Remarks
Blinking Time
A0,A2
8A
C0
C0
80
6
5
4
3
2
1
0
2
1
3
X
2
C error and On timer
2
512x8 EEPROM
3
Address of internal TV processor
6
PLL Tuner
6
5
Multistandard Sound Processor
Components side.
4
5
6
7
13
Ref. No.
IC1002
IC801
TU201
IC3001
9
8
10
21HS-50N