1
21YF30
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
21YF30
SHARP CORPORATION
COLOUR TELEVISION
Chassis No. GA-2
Page
»
SPECIFICATIONS ............................................. 2
»
IMPORTANT SERVICE NOTES ........................ 2
»
ADJUSTMENT PRECAUTIONS ........................ 3
»
MEMORY MAP ................................................ 14
»
TROUBLE SHOOTING TABLE ....................... 30
»
SOLID STATE DEVICE BASE DIAGRAM ....... 32
»
WAVEFORMS .................................................. 34
»
CHASSIS LAYOUT .......................................... 35
»
BLOCK DIAGRAM ........................................... 36
»
DESCRIPTION OF SCHEMATIC DIAGRAM .. 40
»
SCHEMATIC DIAGRAM
Ë
CRT UNIT ..................................................... 41
Page
Ë
HEADPHONE UNIT ..................................... 41
Ë
MAIN UNIT ................................................... 42
Ë
S-CONTROL UNIT ....................................... 44
»
PRINTED WIRING BOARD ASSEMBLIES ..... 45
»
REPLACEMENT PARTS LIST
Ë
ELECTRICAL PARTS .................................. 51
Ë
MISCELLANECOUS PARTS ....................... 56
Ë
SUPPLIED ACCESSORIES ......................... 56
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PACKING PARTS ......................................... 56
Ë
CABINET PARTS ......................................... 57
»
PACKING OF THE SET ................................... 58
FEATURE
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 <Used Frequency Synthesizer
Tuner>
Ë
Black Stretch Circuit
Ë
On Timer/Sleep Timer/Reminder Timer
Ë
Blue Back Noise Mute
Ë
Front AV IN & Rear AV IN/OUT Terminals
Ë
Favourite Channel
Ë
Front Headphone Jack
Ë
Colour Comb Filter (AV IN)
Ë
High Contrast Picture
Ë
Hotel Mode
Ë
English/Thai Language OSD
Ë
Mono Bilingual
Ë
White Temperature Adjustment
Ë
Component In
Ë
Surround Sound Effect(With Bass/Treble/Balance)
Ë
AV Stereo
CONTENTS
S43A221YF30//
Содержание 21YF30
Страница 32: ...21YF30 32 SOLID STATE DEVICE BASE DIAGRAM TOP VIEW SIDE VIEW ...
Страница 33: ...33 21YF30 M E M O ...
Страница 34: ...34 21YF30 WAVEFORMS ...
Страница 35: ...35 21YF30 CHASSIS LAYOUT ...
Страница 36: ...36 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J BLOCK DIAGRAM PWB A MAIN BLOCK ...
Страница 37: ...37 21YF30 10 11 12 13 14 15 16 17 18 19 ...
Страница 38: ...38 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J BLOCK DIAGRAM PWB B CRT BLOCK PWB C HEADPHONE BLOCK ...
Страница 39: ...39 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J PWB E S CONTROL BLOCK ...
Страница 41: ...41 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J SCHEMATIC DIAGRAM CRT Unit SCHEMATIC DIAGRAM HEADPHONE Unit ...
Страница 42: ...42 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J SCHEMATIC DIAGRAM MAIN Unit ...
Страница 43: ...43 21YF30 10 11 12 13 14 15 16 17 18 19 ...
Страница 44: ...44 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J SCHEMATIC DIAGRAM S CONTROL Unit ...
Страница 46: ...46 21YF30 1 2 3 4 5 6 7 8 9 10 A B C D E F G H I J PWB A MAIN Unit Component Side ...
Страница 47: ...47 21YF30 10 11 12 13 14 15 16 17 18 19 ...
Страница 58: ...Ref No Part No Description Code Ref No Part No Description Code 58 21YF30 PACKING OF THE SET ...
Страница 59: ...Ref No Part No Description Code Ref No Part No Description Code 59 21YF30 ...