Sharp 21HT-16CS Manual de serviço - Página 15

Procurar online ou descarregar pdf Manual de serviço para TV Sharp 21HT-16CS. Sharp 21HT-16CS 44 páginas. Pal secam b/g, d/k system colour television

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Sharp 21HT-16CS Manual de serviço
PURPOSE: The led indicates the power mode, occurred I
INPUT:
Current power mode
- I
C Errors
2
- On timer
Processing: - If in STANDBY mode and On timer inactive 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.
- If an I
2
C error occurred, let the LED blink at 1 Hz, 50 % duty cycle.
For the blinking times see the Table below.
Note: Only when an I
handled by the system (that is ,only then the set will go to standby, the led starts blinking).
IC/Module Name
Slave Address
M24C04, M24C08
TDA935x/6x/8x
VTST6HD64 or
CTF551
Table Error LED blinking times
6
5
4
3
2
1
Y
0
1
X

LED FLASHING CODE

C error occurs for a number of times, or for a number of seconds, the I
2
Bus Error LED Remarks
Blinking Time
A0,A2
2
8A
3
C0
6
C0
6

PRINTED WIRING BOARDS

F 7341N0 PWB. Components side.
2
4
3
5
15
2
C error and On timer
512x8 EEPROM,1024x8 EEPROM
Address of internal TV processor
PLL Tuner
9
6
7
8
10
21HT-15C
21HT-16C
C error is
2
Ref. No.
IC1002
IC801
TU201