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Service Manual

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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SHARP 21HT15C Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

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Text excerpt from page 15 (click to view)
21HT-15C 21HT-16C

PURPOSE: The led indicates the power mode, occurred I2C error and On timer


Current power mode - I2C Errors - 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 I2C error occurred, let the LED blink at 1 Hz, 50 % duty cycle. For the blinking times see the Table below.

Note: Only when an I2C error occurs for a number of times, or for a number of seconds, the I 2C error is handled by the system (that is ,only then the set will go to standby, the led starts blinking).

IC/Module Name

Slave Address

Bus Error LED Remarks Blinking Time 2 3 6 6 512x8 EEPROM,1024x8 EEPROM Address of internal TV processor PLL Tuner

Ref. No.

M24C04, M24C08 TDA935x/6x/8x VTST6HD64 or CTF551 Table Error LED blinking times

A0,A2 8A C0 C0

IC1002 IC801 TU201

F 7341N0 PWB. Components side.





1 Y 0 X 1 2 3 4 5 6 7 8 9 10


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