Sharp 14B2-TX Service Manual download

Manual type:Service Manual
Pages:43
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14B2-TX/20B2-TX
21B2-TX
SERVICE MANUAL
14B2-TX
20B2-TX
21B2-TX
MODELS
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.
FEATURE
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/Sleep Timer/Reminder Timer
Ë
Blue Back Noise Mute
Ë
Front AV-In and Rear AV-In/Out Terminals
Ë
NTSC Colour-Comb Filter
Ë
High Contrast Picture
Ë
Hotel Mode
Ë
Front Headphone Jack
Ë
TELETEXT Function
Ë
Arabic/Chinese/English/French/Malay/Russian
»
SPECIFICATIONS
...........................................
2
»
IMPORTANT SERVICE NOTES
......................
2
»
ADJUSTMENT PRECAUTIONS
.....................
3
»
HOTEL MODE APPLICATION NOTE
............
17
»
TROUBLE SHOOTING TABLE
......................
18
»
SOLID STATE DEVICE BASE DIAGRAM
.....
20
»
CHASSIS LAYOUT
........................................
21
»
BLOCK DIAGRAM
.........................................
23
»
WAVEFORMS
...............................................
26
»
DESCRIPTION OF SCHEMATIC DIAGRAM .. 27
»
SCHEMATIC DIAGRAM
MAIN UNIT
...............................................
28
CRT UNIT
.................................................
34
HEADPHONE Unit
...................................
35
»
PRINTED WIRING BOARD ASSEMBLIES ... 36
»
REPLACEMENT PARTS LIST
ELECTRICAL PARTS
...............................
41
MISCELLANEOUS PARTS
......................
46
SUPPLIED ACCESSORIES
.....................
46
PACKING PARTS
.....................................
46
CABINET PARTS
.....................................
47
Page
Page
CONTENTS
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.
SHARP CORPORATION
WARNING
AV-2 IN
MENU
CH
VIDEO
AUDIO
PRESET
COLOUR TELEVISION
Chassis No.
U
A-1
S00K314B2-TX/
COLOUR TELEVISION
MODELS 14B2-TX/20B2-TX/21B2-TX
SERVICE MANUAL
Sample
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