• FEATURES ...................................................................................................................................................... 2
• SPECIFICATIONS ........................................................................................................................................... 2
• IMPORTANT SERVICE NOTES ...................................................................................................................... 3
• ADJUSTMENT PRECAUTION ......................................................................................................................... 3
• UA1 HOTEL MODE APPLICATION ................................................................................................................. 4
• SERVICE MODE .............................................................................................................................................. 4
• TROUBLE SHOOTING TABLE ...................................................................................................................... 18
• CHASSIS LAYOUT ........................................................................................................................................ 21
• BLOCK DIAGRAM ......................................................................................................................................... 22
• WAVEFORMS ................................................................................................................................................ 25
• SCHEMATIC DIAGRAM
TUNER ...................................................................................................................................................... 28
CRT UNIT .................................................................................................................................................. 29
MAIN UNIT ................................................................................................................................................ 30
ELECTRICAL PARTS ................................................................................................................................ 37
SUPPLIED ACCESSORIES ...................................................................................................................... 41
PACKING PARTS ...................................................................................................................................... 41
CABINET PARTS ...................................................................................................................................... 41
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
MODEL
In the interests of user-safety (Required by safety regula-
tions in some countries) the set should be restored to its
original condition and only parts identical to those specified
be used.
CONTENTS
WARNING
SHARP CORPORATION
1
COLOUR TELEVISION
Chassis No. UA-1
20GT-15
20GT-15
20GT-15
S30X520GT-15/
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