LC-37P70E (serv.man63). Black and white dots on screen - Sharp TV Technical Bulletin (repair manual)

lc-37p70e (serv.man63) technical bulletin
Model
LC-37P70E (serv.man63)
Pages
3 Few pages! See other manuals at the bottom of the first or last page.
Size
802.5 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
TV / LCD / Black and white dots on screen
File
lc-37p70e-sm63.pdf
Date

Read Sharp LC-37P70E (serv.man63) Technical Bulletin online

LCD 2006 05 02
Date of Issue:                6
th
 May 2006
        
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 1 of 3
Sharp Electronics (UK) Limited
Reference - SP061200X
Revision  - 1
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
 Red – Carry out on all units
MODELS
LC26P55EK
LC32P55EK
LC37P55EK
LC26P70EK
LC32P70EK
LC37P70EK
SYMPTOM Black and white dots appear on screen.  This is best seen when the set is first
switched on from cold.
CAUSE
Supply noise.
ACTION
Carry out the following circuit change.  Note that this change only affects version N1 to
N4 PWB's.
1.  Cut the track on the main PWB as shown on page 2.
2.  Fit R3017 as shown
3.  Fit C3048 as shown
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
R3017
SMD Resistor, 39
VRS-CY1JF390JY
AA
C3048
Capacitor, 47
µF 16V
VCEA0A1CW476M+
AA
LCD 2006 05 02
Date of Issue:                6
th
 May 2006
        
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 2 of 3
Sharp Electronics (UK) Limited
Reference - SP061200X
Revision  - 1
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
 Red – Carry out on all units
LCD 2006 05 02
Date of Issue:                6
th
 May 2006
        
Classification:
White
LCD TELEVISION TECHNICAL BULLETIN
Page 3 of 3
Sharp Electronics (UK) Limited
Reference - SP061200X
Revision  - 1
White – Carry out as required
Yellow – Carry out as required and whenever the unit comes in for service
 Red – Carry out on all units
Page of 3
Display

Download Sharp LC-37P70E (serv.man63) Technical Bulletin

Here you can read online and download Sharp LC-37P70E (serv.man63) Technical Bulletin in PDF. LC-37P70E (serv.man63) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp LC-37P70E (serv.man63) LCD. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.