Sharp 14GT-21C Руководство по эксплуатации
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14GT-16C
20GT-21C
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 PAL B/G
Ë NTSC(AV Thru)
Ë Full Auto Channel Preset and Auto Channel Skip
Ë 100 CH Program Memory
Ë CATV (Hyper Band) Ready
Ë AVL (Sound Keeper) Function
Ë High Contrast Picture (Black Stretch Circuit)
Ë ON Timer/Sleep Timer/Reminder Timer
Ë Favourite Channel
» SPECIFICATIONS ............................................. 2
» IMPORTANT SERVICE NOTES ........................ 2
» ADJUSTMENT PRECAUTIONS ........................ 3
» MEMORY MAP ................................................ 11
» GA1 HOTEL MODE APPLICATION ................ 15
» TROUBLE SHOOTING TABLE ........................ 15
» SOLID STATE DEVICE BASE DIAGRAM ....... 18
» WAVEFORMS .................................................. 19
» CHASSIS LAYOUT .......................................... 22
» BLOCK DIAGRAM ........................................... 26
» DESCRIPTION OF SCHEMATIC DIAGRAM .. 35
» SCHEMATIC DIAGRAM
Ë MAIN UNIT ................................................... 36
Ë CRT UNIT ..................................................... 44
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
14GT-21C
21GT-21C
FEATURES
CONTENTS
Page
WARNING
SHARP CORPORATION
COLOUR TELEVISION
Chassis No. GA-1
14GT-16C
14GT-21C
20GT-21C
21GT-21C
MODELS
Ë Blue Back Noise Mute
Ë Front AV In (Front AV Priority) (Except 14GT-16C)
Ë Rear AV In/Out Terminals
Ë Colour-Comb Filter (NTSC AV In)
Ë Hotel Mode
Ë Front Headphone Jack (Except 14GT-16C)
Ë English/Thai Language OSD
Ë Mono Bilingual (20GT-21C & 21GT-21C Only)
Ë HEADPHONE UNIT ..................................... 45
Ë MONO BILINGUAL UNIT ............................. 46
» PRINTED WIRING BOARD ASSEMBLIES ..... 48
» REPLACEMENT PARTS LIST
Ë ELECTRICAL PARTS
MAIN UNIT ................................................... 54
CRT UNIT ..................................................... 58
HEADPHONE UNIT ..................................... 59
MONO BILINGUAL UNIT ............................. 59
Ë SUPPLIED ACCESSORIES ........................ 60
Ë PACKING PARTS ......................................... 60
Ë CABINET PARTS ......................................... 60
» PACKING OF THE SET ................................... 62
1
14GT-16C/21C
20GT-21C/21GT-21C
S52i714GT-16C
Page