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SHARP 21EM4RU
Service Manual


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

Description of SHARP 21EM4RU 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 10 (click to view)
FUNCTION OPERATION CHECKING (VIDEO AND AUDIO)
(Continued)
No. point Adjusting procedure/conditions Waveform and others

14EM4RU 21EM4RU

No. point Adjusting procedure/conditions Waveform and others

1 CONTRAST 1. Receive "Monoscope Pattern" signal.

key 2. Set P-Mode to select CONTRAST. 9 1. Receive the "PAL COLOUR BAR" signal, press

3. Press Volume Up/Down check whether the COLOUR SYSTEM key to select modes exerly. Then, select the "PAL" mode. Check again its colour so that it is working properly.

CONTRAST effect OK or not. cept PAL, check the COLOUR is not working prop-

2 COLOUR key 1. Receive "Color Bar" signal.

2. Receive "SECAM COLOUR BAR" signal, press COLOUR SYSTEM key to select modes except SECAM, check the COLOUR is not working properly. Then, select the "SECAM" mode. Check again its colour so that it is working properly. 3. Receive "NTSC 4.43/3.58 COLOUR BAR" signal 3 BRIGHTNESS 1. Receive "Monoscope Pattern" signal. thru AV, press COLOUR SYSTEM key to select key 2. Set P-Mode to select BRIGHTNESS. is not working properly. Then, select the "NTSC the BRIGHTNESS effect is OK or not. 4.43/3.58" mode. Check again its colour so that it is working properly. 10 SOUND 1. Receive "PAL-D/K" signal, press the "SOUND SYSTEM SYSTEM" to select B/G, I. Check the sound output is not working properly. Select D/K and check the sound output to make sure it is working properly. 2. Receive "PAL-I" signal, press the "SOUND SYS-

2. Set P-Mode to select COLOUR. 3. Press Volume Up/Down key to check whether

the COLOUR effect is OK or not.

3. Press Volume Up/Down key to check whether modes except N4.43/3.58, check the COLOUR

4 TINT key 1. Receive the "NTSC Colour Bar" signal thru AV in.

2. Set P-Mode to select TINT. 3. Press Volume Up/Down key to check TINT, UP

GREEN direction and DOWN for PURPLE direction whether is OK or not.

5 SHARPNESS 1. Receive "Monoscope Pattern" signal. TEM" to select B/G, D/K. Check the sound output

Key 2. Set P-mode to select SHARPNESS. is not working properly. Select I and check the

3. Press Volume Up/Down key check whether sound output to make sure it is working properly. SYSTEM"to select I, D/K. Check the sound output is not working properly. Select B/G and check the sound output to make sure it is working prop6 CH DISPLAY 1. All Ch (1~99) will have an OSD display of the erly. COLOUR channel number in green colour under AFT ON 11 NOISE MUTE 1. Receive "PAL COLOUR BAR" signal. CHECKING 2. Turn up the volume control to maximum, make sure sound is heard from the speakers. Then 7 NORMAL Key 1. Once in PICTURE Mode, and theNORMAL key Notes:If nothing is display put the unit in no signal state. is pressed, all the settings will be present to normean contrast, colour, bright, 3. Check the sound mute is effective. mal setting. tint, sharpness are all in nor4. Finally turn sound level of CTV to minimum. (Normal setting value for every mode). mal setting. 12 LANCheck OSD LANGUAGE quantity and type as EngGUAGE lish and Russian. QUANTITY CHECK

10
10-1 10-2

SHARPNESS effect is OK or not. 3. Receive "PAL-B/G" signal, press the "SOUND

condition.

» CONTRAST : MAX » COLOUR : CENTER » BRIGHTNESS : CENTER » TINT : CENTER » SHARPNESS : CENTER

8 WHITE TEMP 1. Receive "Monoscope Pattern" signal.

2. Set FUNCTION to select WHITE TEMP. 3. Press Volume Up/Down key to check WHITE

TEMP Option, STANDARD: NORMAL SETTING, WARM for more REDDISH direction changing, COOL for more BLUISH direction changing.

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