Sharp 21ES251E, Service Manual

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WARNING
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
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.
MODEL :
COLOUR TELEVISION
Chassis No. GA-8S
FEATURES
Multi 21 System, 100-CH Program Memory
Full Auto Search System
NTSC Colour Comb Filter
Blueback Function Noise Mute
NTSC Colour Comb Filter Function
High Contrast Picture (Black Strecth Circuit)
CATV (Hyperband) Ready
White Temperature Select
Surround Sound Effect
OFF Timer & Child Lock
Hotel Mode & AV Mode (Movie/Music/News)
English Language OSD
SHARP CORPORATION
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SPECIFICATIONS ............................................. 2
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IMPORTANT SERVICE NOTES ........................ 2
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ADJUSTMENT PRECAUTIONS ........................ 3
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TROUBLE SHOOTING TABLE ....................... 16
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WAVEFORMS .................................................. 18
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SOLID STATE DEVICE BASE DIAGRAM ....... 19
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DESCRIPTION OF SCHEMATIC DIAGRAM.. 20
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DIAGRAM:
¨ DIAGRAM BLOCK CRT
............................. 21
¨ DIAGRAM SCHEMATIC CRT
..................... 22
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¨ MAIN BLOCK ........................................... 23
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MAIN SCHEMATIC ................................... 24
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REPLACEMENT PARTS LIST
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21ES251E
21ES253E
21ES353E
Rear AV-IN Terminal
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Save Mode
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CONTENTS
Rear AV-OUT Terminal
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AV Stereo & Equalizer