Sharp 14EM4RU Manuale di servizio
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14EM4RU
In the interests of user-safety (Required by safety regulations in some countries) the set should be re-
stored to its original condition and only parts identical to those specified should be used.
Ë Multi 18 systems
Ë Full Auto Channel Preset and Auto Channel Skip
Ë 100-CH Program Memory
Ë CATV(Hyper Band) Ready
<Used Frequency Synthesizer Tuner>
Ë AVL(Sound Keeper) Function
Ë Black Stretch Circuit
Ë On Timer/Off Timer/Reminder Timer
Ë Blue Back Noise Mute
» SPECIFICATIONS ............................................. 2
» IMPORTANT SERVICE NOTES ........................ 2
» ADJUSTMENT PRECAUTIONS ........................ 3
» MEMORY MAP ................................................ 11
» GA1 HOTEL MODE APPLICATION ................ 15
» TROUBLE SHOOTING TABLE ........................ 15
» WAVEFORMS .................................................. 18
» SOLID STATE DEVICE BASE DIAGRAM ....... 20
» CHASSIS LAYOUT .......................................... 21
» BLOCK DIAGRAM ........................................... 23
Ë MAIN UNIT ................................................... 30
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
21EM4RU
MODELS
FEATURES
Ë Front Headphone Terminal
Ë Front AV-In & Rear AV-In/Out Terminals
Ë Colour Comb Filter(NTSC AV-THRU only)
Ë High Contrast Picture
Ë Hotel Mode
Ë English/Russian 2 Languages OSD
Ë White Temperature Adjustment
CONTENTS
Page
» PRINTED WIRING BOARD ASSEMBLIES ..... 36
» PACKING OF THE SET ................................... 47
WARNING
SHARP CORPORATION
1
COLOUR TELEVISION
Chassis No. GA-1A
14EM4RU
21EM4RU
(Front Priority)
Ë CRT UNIT ..................................................... 34
Ë HEAD PHONE UNIT .................................... 35
Ë ELECTRICAL PARTS
MAIN UNIT ................................................... 41
CRT UNIT ..................................................... 45
HEAD PHONE UNIT .................................... 45
Ë MISCELLANEOUS PARTS .......................... 46
Ë SUPPLIED ACCESSORIES ......................... 46
Ë PACKING PARTS ......................................... 46
Ë CABINET PARTS ......................................... 46
14EM4RU
21EM4RU
S53C214EM4RU/
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