1
SX76NF200
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
SX76NF200
SHARP CORPORATION
COLOUR TELEVISION
Chassis No. GE-3A
Page
CONTENTS
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SPECIFICATIONS ............................................. 2
»
IMPORTANT SERVICE NOTES ........................ 2
»
ADJUSTMENT PRECAUTIONS ........................ 3
»
TROUBLE SHOOTING FLOWCHART .............. 9
»
WAVEFORMS .................................................. 13
»
CHASSIS LAYOUT .......................................... 16
»
BLOCK DIAGRAM ........................................... 18
»
DESCRIPTION OF SCHEMATIC DIAGRAM .. 26
»
SCHEMATIC DIAGRAM
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CRT UNIT ..................................................... 27
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MAIN UNIT ................................................... 28
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LED UNIT ..................................................... 35
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KEY UNIT ..................................................... 35
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POWER UNIT .............................................. 36
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IP UNIT ......................................................... 38
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CONTROL UNIT .......................................... 40
Page
»
PRINTED WIRING BOARD ASSEMBLIES ..... 42
»
REPLACEMENT PARTS LIST
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ELECTRICAL PARTS
MAIN UNIT ................................................... 52
POWER UNIT .............................................. 57
CRT UNIT ..................................................... 60
IP UNIT ......................................................... 61
CONTROL UNIT .......................................... 63
LED UNIT ..................................................... 63
KEY UNIT ..................................................... 63
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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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CABINET PARTS LOCATION ...................... 64
»
PACKING OF THE SET ................................... 65
FEATURES
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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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High Contrast Picture
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TELETEXT(10 page)
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ON Timer / OFF Timer / Reminder
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Picture in Picture / Twin Screen
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Blue Back Noise Mute
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White Temperature Adjustment
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100Hz SCAN / Progressive SCAN
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Headphone Terminal
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Stereo (NICAM / A2) Decoder
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Rotation adjustment (picture tilt adjustment)
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Component Input Terminal
S34Q9SX76NF20
Summary of Contents for SX76NF200
Page 13: ...13 SX76NF200 WAVEFORMS ...
Page 14: ...14 SX76NF200 ...
Page 15: ...15 SX76NF200 ...
Page 16: ...16 SX76NF200 CHASSIS LAYOUT ...
Page 17: ...17 SX76NF200 ...
Page 18: ...18 SX76NF200 BLOCK DIAGRAM PWB A MAIN UNIT ...
Page 19: ...19 SX76NF200 ...
Page 20: ...20 SX76NF200 PWB B POWER UNIT ...
Page 21: ...21 SX76NF200 ...
Page 22: ...22 SX76NF200 PWB D IP UNIT ...
Page 23: ...23 SX76NF200 ...
Page 24: ...24 SX76NF200 PWB C CRT UNIT PWB E CONTROL UNIT ...
Page 25: ...25 SX76NF200 PWB F LED UNIT PWB H KEY UNIT ...
Page 27: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 27 SX76NF200 CRT UNIT SCHEMATIC DIAGRAM ...
Page 28: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 28 SX76NF200 MAIN UNIT 1 4 ...
Page 29: ...10 11 12 13 14 15 16 17 18 19 29 SX76NF200 ...
Page 30: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 30 SX76NF200 MAIN UNIT 2 4 ...
Page 31: ...10 11 12 13 14 15 16 17 18 19 31 SX76NF200 ...
Page 32: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 32 SX76NF200 MAIN UNIT 3 4 ...
Page 33: ...10 11 12 13 14 15 16 17 18 19 33 SX76NF200 ...
Page 34: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 34 SX76NF200 MAIN UNIT 4 4 ...
Page 35: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 35 SX76NF200 LED UNIT KEY UNIT ...
Page 36: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 36 SX76NF200 POWER UNIT ...
Page 37: ...10 11 12 13 14 15 16 17 18 19 37 SX76NF200 ...
Page 38: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 38 SX76NF200 IP UNIT ...
Page 39: ...10 11 12 13 14 15 16 17 18 19 39 SX76NF200 ...
Page 40: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 40 SX76NF200 CONTROL UNIT ...
Page 41: ...10 11 12 13 14 15 16 17 18 19 41 SX76NF200 ...
Page 43: ...10 11 12 13 14 15 16 17 18 19 43 SX76NF200 ...
Page 44: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 44 SX76NF200 PWB A MAIN UNIT Chip Parts Side ...
Page 45: ...10 11 12 13 14 15 16 17 18 19 45 SX76NF200 ...
Page 46: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 46 SX76NF200 PWB B POWER UNIT Wiring side ...
Page 47: ...10 11 12 13 14 15 16 17 18 19 47 SX76NF200 ...
Page 48: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 48 SX76NF200 PWB C CRT UNIT Wiring side ...
Page 50: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 50 SX76NF200 PWB E CONTROL UNIT Wiring side ...