Sharp 21ES253E Service-Handbuch

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In the interests of user-safety (Required by safety regulations in some countries) the set should be restored

to its original condition and only parts identical to those specified should be used.

Multi 21 System, 100-CH Program Memory

Full Auto Search System

NTSC Colour Comb Filter

CATV (Hyperband) Ready

NTSC Colour Comb Filter Function

High Contrast Picture (Black Strecth Circuit)

White Temperature Select

English Language OSD

Specifications ............................................. 2

IMPORTANT SERVICE NOTES ........................ 2

Adjustment Precautions ........................ 3

TROUBLE SHOOTING TABLE ....................... 16

WAVEFORMS .................................................. 18

Solid State Device Base Diagram ....... 19

Description Of Schematic Diagram .. 20

DIAGRAM:

¨DIAGRAM BLOCK CRT ............................. 21

¨DIAGRAM SCHEMATIC CRT ..................... 22

The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power

receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user - serviceable parts

inside. Refer servicing to qualified service personnel.

SERVICE MANUAL

FEATURES

Page

WARNING

SHARP CORPORATION

COLOUR TELEVISION

Chassis No. GA-8S

MODEL :

21ES251E

21ES253E

21ES353E

Blueback Function Noise Mute

OFF Timer & Child Lock

Hotel Mode & AV Mode (Movie/Music/News)

Surround Sound Effect

Rear AV-IN Terminal

Rear AV-OUT Terminal

Save Mode

AV Stereo & Equalizer

¨ MAIN BLOCK

........................................... 23

¨ MAIN SCHEMATIC ................................... 24

REPLACEMENT PARTS LIST