20CT-250
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.
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.
WARNING
20CT-250
FEATURE
»
SPECIFICATIONS ............................................... 2
»
IMPORTANT SERVICE NOTES ......................... 2
»
ADJUSTMENT PRECAUTIONS ........................ 3
»
SERVICE ADJUSTMENT ................................... 6
»
TROUBLE SHOOTING TABLE ......................... 15
»
SOLID STATE DEVICE BASE DIAGRAM ........ 18
Page
CONTENTS
Page
SHARP CORPORATION
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
COLOUR TELEVISION
Chassis No. G2
SERVICE MANUAL
S88U521CT-250
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CHASSIS LAYOUT ............................................ 17
»
SCHEMATIC DIAGRAM ................................... 19
»
BLOCK DIAGRAM ............................................ 23
»
PRINTED WIRING BOARD ASSEMBLIES ...... 25
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REPLACEMENT PARTS LIST .......................... 27
MODEL
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
