1
SX51LF7
SX51LF8
SHARP CORPORATION
SERVICE MANUAL
SX51LF7
SX51LF8
MODELS
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.
FEATURE
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Full Auto Channel Preset and Auto Channel Skip
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100-CH Program Memory
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CATV(Hyper Band) Ready <Used Frequency Synthesizer
Tuner>
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Black Stretch Circuit
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On Timer/Sleep Timer/Reminder Timer
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Blue Back Noise Mute
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Front AV-In & Rear AV-IN/OUT Terminals
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Colour Comb Filter (NTSC Only)
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High Contrast Picture
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Hotel Mode
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Multi Longuages OSD(Eng/Chi/Fre/Malay/Arab/Ru)
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NICAM B/G & A2 STEREO B/G(SX51LF8 Only)
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A2 STEREO B/G(SX51LF7 Only)
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TELETEXT (One Page)-English / German / French /
Spanish / Italian / Swedish (SX51LF8 Only)
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White Temperature Adjustment
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.
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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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HOTEL MODE APPLICATION ...................... 13
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MEMORY MAP .............................................. 14
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TROUBLE SHOOTING TABLE ..................... 26
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SOLID STATE DEVICE BASE DIAGRAM ..... 30
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CHASSIS LAYOUT ........................................ 31
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WAVEFORMS ............................................... 32
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DESCRIPTION OF SCHEMATIC DIAGRAM .. 33
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SCHEMATIC DIAGRAM
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MAIN UNIT ............................................... 34
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CRT UNIT ................................................. 42
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IGR Unit .................................................... 44
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NICAM Unit .............................................. 46
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BLOCK DIAGRAM ........................................ 48
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PRINTED WIRING BOARD ASSEMBLIES ... 52
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REPLACEMENT PARTS LIST
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ELECTRICAL PARTS ............................... 57
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MISCELLANEOUS PARTS ...................... 64
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SUPPLIED ACCESSORIES ..................... 64
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PACKING PARTS ..................................... 64
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CABINET PARTS ..................................... 64
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PACKING OF THE SET ................................ 65
Page
Page
CONTENTS
COLOUR TELEVISION
Chassis No. UAF
STEREO
PUSH OPEN
S22F8SX51LF7/
