DOWNLOAD Sharp 76EF-20H (serv.man28) Service Manual ↓ Size: 441.87 KB | Pages: 2 in PDF or view online for FREE

Model
76EF-20H (serv.man28)
Pages
2 Few pages! See other manuals at the bottom of the first or last page.
Size
441.87 KB
Type
PDF
Document
Service Manual / Technical Bulletin
Brand
Device
TV / CTR / CTV will not respond to any controls other than the Mains On Off switch.
File
76ef-20h-sm28.pdf
Date

Sharp 76EF-20H (serv.man28) Service Manual / Technical Bulletin ▷ View online

CTV2001 02 04
Month of Issue:   February 2001
        
Classification: 
White
TELEVISION TECHNICAL BULLETIN
Page 1 of 2
Sharp Electronics (UK) Limited
Reference GE93500X
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
76EF20H
SYMPTOM CTV will not respond to any controls other than the Mains On/Off switch.
This only applies to serial numbers before 713010.
CAUSE
100Hz PWB reset pulse shape
ACTION
1
Modify the circuit at IC1001 pin 44 as indicated on Fig.1
2
Cut jumper wire J902 and fit additional components Q1901, R1901 and JL1901
as shown in Fig.2
3
Using the glue, fix the additional components to the PWB as shown in Fig.3.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
Q1901
Transistor
RH-TX0142BMZZ
AB
R1901
RES 150Ohms 1/4W
VRD-RA2EE151J
AA
JL1901
Coloured jumper wire 50mm
VW7UGB0-050AA
AA
-
Poliamide adhesive
ZHOTM-05HR31E
BS
CTV2001 02 04
Month of Issue:   February 2001
        
Classification: 
White
TELEVISION TECHNICAL BULLETIN
Page 2 of 2
Sharp Electronics (UK) Limited
Reference GE93500X
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
JL1901
Q1901
+5v
Collector  GND
Base
Emitter       
J902
JL1901
Display

Sharp 76EF-20H (serv.man28) Service Manual / Technical Bulletin ▷ Download

  • DOWNLOAD Sharp 76EF-20H (serv.man28) Service Manual ↓ Size: 441.87 KB | Pages: 2 in PDF or view online for FREE
  • Here you can View online or download the Service Manual / Technical Bulletin for the Sharp 76EF-20H (serv.man28) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp 76EF-20H (serv.man28) CTR. Information contained in Sharp 76EF-20H (serv.man28) Service Manual / Technical Bulletin (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.