Sharp 20CT-250 Manuel d'entretien
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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.
Ë User Preset Timer (On Timer/Sleep Timer/Reminder)
Ë 2 Selectable OSD Languages (English/Thai)
Ë CATV (Hyper Band) Ready
〈Used Frequency Synthesizer Tuner〉
Ë NTSC 4.43/3.58MHz (AV only), Rear AV IN/OUT
terminal
Ë Blue Back Noise Mute
Ë Fine Tuning Adjustable with Remote Control
» SPECIFICATIONS ............................................... 2
» IMPORTANT SERVICE NOTES ......................... 2
» ADJUSTMENT PRECAUTIONS ........................ 3
» SERVICE ADJUSTMENT ................................... 6
» TROUBLE SHOOTING TABLE ......................... 15
» SOLID STATE DEVICE BASE DIAGRAM ........ 18
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
FEATURE
Ë Full Auto Channel Preset And Auto Channel Skip
Ë 100 CH Program Memory
Ë Aperture Control Circuit
Ë Black Stretch Circuit
Ë Bilingual System (Mono)
Ë Auto Channel Scan System
Ë Favorite Channel Memory System
CONTENTS
Page
» CHASSIS LAYOUT ............................................ 17
» SCHEMATIC DIAGRAM ................................... 19
» BLOCK DIAGRAM ............................................ 23
» PRINTED WIRING BOARD ASSEMBLIES ...... 25
» REPLACEMENT PARTS LIST .......................... 27
WARNING
COLOUR TELEVISION
Chassis No. G2
20CT-250
20CT-250
S88U521CT-250
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