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SHARP LC20VM2
Service Manual


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

Description of SHARP LC20VM2 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.

The manual is available in languages: English

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Text excerpt from page 8 (click to view)
LC-20VM2

LC-121M2E LC-150M2E

6. LC-20VM2 ADJUSTING METHOD
The best adjustment is made before shipping. If any position deviation is found or after part replace is performed, adjust as follows.

6-1. Preparation for adjustment
(1)Use the exclusive-use AC adapter or stable DC power supply. AC adapter: UADP-0205CEZZ DC power supply: 13 (V) 5(A) (Total of the triple power supply)

6-2. Special mode setting procedure
Note: When a micro-controller (IC2001) is replaced, the initialization of the E2 memory is necessary. (1)After initialization of E2PROM the mode is changed to the adjustment mode. [Procedure] Connect TP2002 and TP2003 to GND, and turn on the power. [Description] All data are initialized. (2)Change to adjustment mode [Procedure] Short-circuit TP2007 to GND, and turn on the power. Or short-circuit TP2008 to GND, and turn on the power. Or holding down the [AV INPUT] key and [MENU] key, turn on the main power, and simultaneously press the (inspection process) [SELECT "] key and [VOL� ] key to change the mode to the adjustment mode. [Description] The manual adjustment or adjustment through communication with the automatic machine is performed. (3)Inspection mode [Procedure] Holding down the [AV INPUT] key and [MENU] key, turn on the power. [Description] � In the ordinary menu select �PICTURE� with the [SELECT] key, and decide with the [VOL] key. Then select �CONTRAST�, �TINT (only NTSC)�, �COLOR�, �BLACK LEVEL�, �SHARPNESS�, �RED� , and �BLUE� with the [SELECT] key, and decide with the [VOL] key. After that, adjust values with the [VOL] key. � In the ordinary menu select �SOUND� with the [SELECT] key, and decide with the [VOL] key. Then, select �TREBLE�, �BASS�, and �BALANCE� with the [SELECT] key, and decide with the [VOL] key. After that adjust values with the [VOL] key. � VOLUME, CONTRAST, TINT (only NTSC), COLOR, BLACK LEVEL, SHARPNESS, RED, BLUE, TREBLE, BASS, and BALANCE change as follows. ûMin.� ûCenter� ûMax.�

(4)Shipping setting mode [Procedure] Holding down the [AV INPUT] key and [MENU] key, turn on the main power, and simultaneously press the (inspection process) [SELECT '] key and [VOL+] key to change the mode to the adjustment mode. [Description] User adjustment and other values are taken as defaults. If AV1 is indicated as SETTING COMPLETE, setting has been completed.

6-3. How to exit from the special mode
Turn off the main unit power. 8

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