Sharp 14BM2 Service Manual download

Manual type:Service Manual
Pages:42
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14BM2, 14BM2S/G
20BM2, 20BM2S/G
21BM2, 21BM2S/G
SERVICE MANUAL
14BM2, 14BM2S/G
20BM2, 20BM2S/G
21BM2, 21BM2S/G
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.
Ë
Multi 18 Systems
Ë
Full Auto Channel Preset and Auto Channel Skip
Ë
100-CH Program Memory
Ë
High Contrast Picture
Ë
Black Stretch Circuit
Ë
CATV (Hyper Band) Ready
Used Frequency Synthesizer Tuner
Ë
Hotel Mode
Ë
On Timer/Sleep Timer/Reminder Timer
Ë
Colour Comb Filter Function (NTSC only)
Ë
Blue Back Noise Mute
Ë
Front AV-In & Rear AV-In/Out Terminals
Ë
AVL Function
Ë
English/Chinese/Malay/France/Russia/Arabic OSD
»
SPECIFICATIONS
...........................................
2
»
IMPORTANT SERVICE NOTES
......................
2
»
ADJUSTMENT PRECAUTIONS
.....................
3
»
HOTEL MODE APPLICATION NOTE
............
15
»
TROUBLE SHOOTING TABLE
......................
15
»
SOLID STATE DEVICE BASE DIAGRAM
.....
18
»
CHASSIS LAYOUT
........................................
19
»
BLOCK DIAGRAM
.........................................
22
»
WAVEFORMS
...............................................
25
»
DESCRIPTION OF SCHEMATIC DIAGRAM .. 27
»
SCHEMATIC DIAGRAM
MAIN UNIT
...............................................
28
CRT UNIT
.................................................
34
»
PRINTED WIRING BOARD ASSEMBLIES ... 36
»
REPLACEMENT PARTS LIST
ELECTRICAL PARTS
...............................
41
MISCELLANEOUS PARTS
......................
46
SUPPLIED ACCESSORIES
.....................
46
PACKING PARTS
.....................................
46
CABINET PARTS
.....................................
46
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
COLOUR TELEVISION
Chassis No.
U
A-1
S00K414BM2S//
14BM2, 14BM2S/G
20BM2, 20BM2S/G
21BM2, 21BM2S/G
FEATURE
SERVICE MANUAL
COLOUR TELEVISION
MODELS 14BM2, 14BM2S/G, 20BM2, 20BM2S/G, 21BM2, 21BM2S/G
Sample