DOWNLOAD Sharp 66FW-54H (serv.man42) Service Manual ↓ Size: 47.22 KB | Pages: 3 in PDF or view online for FREE

Model
66FW-54H (serv.man42)
Pages
3 Few pages! See other manuals at the bottom of the first or last page.
Size
47.22 KB
Type
PDF
Document
Service Manual / Technical Bulletin
Brand
Device
TV / CTR / Fault finding flow charts for the DA100 (50Hz) chassis
File
66fw-54h-sm42.pdf
Date
PREV: Sharp 66FW-54H (serv.man41) Service Manual / Technical Bulletin

Sharp 66FW-54H (serv.man42) Service Manual / Technical Bulletin ▷ View online

NICAM or OPC
LED's illuminated
No
Reduced Vertical Scan
Increase
Screen control
Yes
Power supply is working correctly
check data communication
(see LED's Fault code table)
Power supply is working correctly
check data communication
(see LED's Fault code table)
No Video
Check Video input selection
 and IF stage
No Video
Check Video input selection
 and IF stage
Correct
Waveform
Yes
Line Drive Fault
Check Q607 (crow bar)
and IC801
Line Drive Fault
Check Q607 (crow bar)
and IC801
EHT Protection circuit operating
Check D617 and amplitude of the line fly-back pulse
EHT Protection circuit operating
Check D617 and amplitude of the line fly-back pulse
Less Than1.8v
More Than 1.8v
Chart 2 -  140v rail Present
Before switching on ensure that the aerial is disconnected
Vertical Output Fault
Ensure IC501 pin 12 = 5v
Check IC501 +/- supply
Vertical Output Fault
Ensure IC501 pin 12 = 5v
Check IC501 +/- supply
Vertical Flyback fault
Check R530,Q502,Q503,Q507
and D507
Vertical Flyback fault
Check R530,Q502,Q503,Q507
and D507
Yes
Check
 Line drive
IC801 pin 50
Check
OSD
Check
 IC801 pin 12
Check
IC801 pin 11
(see waveform)
Incorrect
Waveform
No Vertical Scan
No
No
Check
IC1801 pin 2
12v
No LT supply to RGB output
Q902 and associated
components
No LT supply to RGB output
Q902 and associated
components
Low
RGB output Fault
Check IC801
RGB output Fault
Check IC801
Back to top
DA50 Chassis
Fl
Sharp Electronics (UK) Ltd
NICAM or OPC
LED's illuminated
No
Reduced Vertical Scan
Increase
Screen control
Yes
Power supply is working correctly
check data communication
(see LED's Fault code table)
Power supply is working correctly
check data communication
(see LED's Fault code table)
No Video
Check Video input selection
 and IF stage
No Video
Check Video input selection
 and IF stage
Correct
Waveform
Yes
Line Drive Fault
Check Q607 (crow bar)
and IC801
Line Drive Fault
Check Q607 (crow bar)
and IC801
EHT Protection circuit operating
Check D617 and amplitude of the line fly-back pulse
EHT Protection circuit operating
Check D617 and amplitude of the line fly-back pulse
Less Than1.8v
More Than 1.8v
Chart 2 -  140v rail Present
Before switching on ensure that the aerial is disconnected
Vertical Output Fault
Ensure IC501 pin 12 = 5v
Check IC501 +/- supply
Vertical Output Fault
Ensure IC501 pin 12 = 5v
Check IC501 +/- supply
Vertical Flyback fault
Check R530,Q502,Q503,Q507
and D507
Vertical Flyback fault
Check R530,Q502,Q503,Q507
and D507
Yes
Check
 Line drive
IC801 pin 50
Check
OSD
Check
 IC801 pin 12
Check
IC801 pin 11
(see waveform)
Incorrect
Waveform
No Vertical Scan
No
No
Check
IC1801 pin 2
12v
No LT supply to RGB output
Q902 and associated
components
No LT supply to RGB output
Q902 and associated
components
Low
RGB output Fault
Check IC801
RGB output Fault
Check IC801
Back to top
DA50 Chassis
Fl
Sharp Electronics (UK) Ltd
NICAM or OPC
LED's illuminated
No
Reduced Vertical Scan
Increase
Screen control
Yes
Power supply is working correctly
check data communication
(see LED's Fault code table)
Power supply is working correctly
check data communication
(see LED's Fault code table)
No Video
Check Video input selection
 and IF stage
No Video
Check Video input selection
 and IF stage
Correct
Waveform
Yes
Line Drive Fault
Check Q607 (crow bar)
and IC801
Line Drive Fault
Check Q607 (crow bar)
and IC801
EHT Protection circuit operating
Check D617 and amplitude of the line fly-back pulse
EHT Protection circuit operating
Check D617 and amplitude of the line fly-back pulse
Less Than1.8v
More Than 1.8v
Chart 2 -  140v rail Present
Before switching on ensure that the aerial is disconnected
Vertical Output Fault
Ensure IC501 pin 12 = 5v
Check IC501 +/- supply
Vertical Output Fault
Ensure IC501 pin 12 = 5v
Check IC501 +/- supply
Vertical Flyback fault
Check R530,Q502,Q503,Q507
and D507
Vertical Flyback fault
Check R530,Q502,Q503,Q507
and D507
Yes
Check
 Line drive
IC801 pin 50
Check
OSD
Check
 IC801 pin 12
Check
IC801 pin 11
(see waveform)
Incorrect
Waveform
No Vertical Scan
No
No
Check
IC1801 pin 2
12v
No LT supply to RGB output
Q902 and associated
components
No LT supply to RGB output
Q902 and associated
components
Low
RGB output Fault
Check IC801
RGB output Fault
Check IC801
Back to top
DA50 Chassis
Fl
Sharp Electronics (UK) Ltd
NICAM or OPC
LED's illuminated
No
Reduced Vertical Scan
Increase
Screen control
Yes
Power supply is working correctly
check data communication
(see LED's Fault code table)
Power supply is working correctly
check data communication
(see LED's Fault code table)
No Video
Check Video input selection
 and IF stage
No Video
Check Video input selection
 and IF stage
Correct
Waveform
Yes
Line Drive Fault
Check Q607 (crow bar)
and IC801
Line Drive Fault
Check Q607 (crow bar)
and IC801
EHT Protection circuit operating
Check D617 and amplitude of the line fly-back pulse
EHT Protection circuit operating
Check D617 and amplitude of the line fly-back pulse
Less Than1.8v
More Than 1.8v
Chart 2 -  140v rail Present
Before switching on ensure that the aerial is disconnected
Vertical Output Fault
Ensure IC501 pin 12 = 5v
Check IC501 +/- supply
Vertical Output Fault
Ensure IC501 pin 12 = 5v
Check IC501 +/- supply
Vertical Flyback fault
Check R530,Q502,Q503,Q507
and D507
Vertical Flyback fault
Check R530,Q502,Q503,Q507
and D507
Yes
Check
 Line drive
IC801 pin 50
Check
OSD
Check
 IC801 pin 12
Check
IC801 pin 11
(see waveform)
Incorrect
Waveform
No Vertical Scan
No
No
Check
IC1801 pin 2
12v
No LT supply to RGB output
Q902 and associated
components
No LT supply to RGB output
Q902 and associated
components
Low
RGB output Fault
Check IC801
RGB output Fault
Check IC801
Back to top
DA50 Chassis
Fl
Sharp Electronics (UK) Ltd
Display

Sharp 66FW-54H (serv.man42) Service Manual / Technical Bulletin ▷ Download

  • DOWNLOAD Sharp 66FW-54H (serv.man42) Service Manual ↓ Size: 47.22 KB | Pages: 3 in PDF or view online for FREE
  • Here you can View online or download the Service Manual / Technical Bulletin for the Sharp 66FW-54H (serv.man42) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp 66FW-54H (serv.man42) CTR. Information contained in Sharp 66FW-54H (serv.man42) 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.

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66FW-54H (serv.man34) Upgrade of defective opto-coupler Service Manual / Technical Bulletin 3 591.94 KB
66FW-54H (serv.man33) Remote control battery cover has part number Service Manual / Technical Bulletin 1 39.79 KB
66FW-54H (serv.man35) Set resets whilst being watched or switches on from stand-by on its own Service Manual / Technical Bulletin 2 123.72 KB
66FW-54H (serv.man36) Intermittent loss of remote control response set locks up with picture and sound operational Service Manual / Technical Bulletin 1 10.67 KB
66FW-54H (serv.man37) Set takes more than 30 seconds to give a picture Service Manual / Technical Bulletin 1 11.4 KB
66FW-54H (serv.man38) CRT, Megatext, EPROM and part number table Service Manual / Technical Bulletin 2 24.02 KB
66FW-54H (serv.man39) Amendments and additions to the Service Manual / Technical Bulletin 1 38.23 KB
66FW-54H (serv.man40) Details of power factor correction circuit additions. Standard EN61000-3-2 (Harmonic noise on the supply) instructions Service Manual / Technical Bulletin 5 376.27 KB
66FW-54H (serv.man41) Alternative megatext IC Service Manual / Technical Bulletin 1 136.41 KB
66FW-54H (serv.man43) Purity error due to incorrect operation of the degauss circuit Service Manual / Technical Bulletin 1 74.82 KB
66FW-54H (serv.man44) Parts changes and additions to the DA100 (50Hz) chassis Service Manual / Technical Bulletin 3 55.13 KB
66FW-54H (serv.man45) Yellow bulletin summary. Important information Service Manual / Technical Bulletin 3 490.47 KB
66FW-54H (serv.man46) Opto coupler soldering temperature. Service Manual / Technical Bulletin 1 54.39 KB
66FW-54H (serv.man47) Part numbers for larger scale circuit diagrams. Service Manual / Technical Bulletin 1 38.22 KB
66FW-54H (serv.man48) Service counter reset Service Manual / Technical Bulletin 1 21.67 KB
66FW-54H (serv.man49) Removal of PIN code for the post code setting Service Manual / Technical Bulletin 1 20.62 KB
66FW-54H (serv.man15) Faults in the East West Circuit Service Manual / Technical Bulletin 2 149.53 KB
66FW-54H (serv.man25) Simplified procedure for the G2 and Grey Scale adjustments Service Manual / Technical Bulletin 1 11.72 KB
66FW-54H (serv.man17) NVM programming Jig (revision-9) Service Manual / Technical Bulletin 3 98.4 KB
66FW-54H (serv.man18) Selection of NVM blanking jig Service Manual / Technical Bulletin 1 10.39 KB
66FW-54H (serv.man19) Horizontal stage faults Service Manual / Technical Bulletin 2 340.61 KB
66FW-54H (serv.man20) Other power supply related faults Service Manual / Technical Bulletin 3 412.42 KB
66FW-54H (serv.man21) High HT Service Manual / Technical Bulletin 3 778.28 KB
66FW-54H (serv.man22) Vertical stage faults Service Manual / Technical Bulletin 2 18.85 KB
66FW-54H (serv.man23) Patterning after replacing IC801 Service Manual / Technical Bulletin 1 1004.39 KB
66FW-54H (serv.man24) Picture ramps to white or black grey scale variations Service Manual / Technical Bulletin 1 11.42 KB
66FW-54H (serv.man16) Set shuts down at start-up Service Manual / Technical Bulletin 1 6.05 KB
66FW-54H (serv.man26) Set will trip (re-boot) once the picture appears Service Manual / Technical Bulletin 1 11.86 KB
66FW-54H (serv.man27) Loss of remote control functions and front buttons after five minutes Service Manual / Technical Bulletin 1 45.47 KB
66FW-54H (serv.man28) Set may not turn. When it does there is a rainbow effect on screen Service Manual / Technical Bulletin 1 46.76 KB
66FW-54H (serv.man29) Set fails to come on (HT present), Text position incorrect, AV audio levels low or other symptoms associated with software Service Manual / Technical Bulletin 2 72.03 KB
66FW-54H (serv.man30) Fitting instructions for alternative four-pin opto coupler (Revision 3) Service Manual / Technical Bulletin 3 597.54 KB
66FW-54H (serv.man31) Part number for Mains Lead Cord Grip Service Manual / Technical Bulletin 1 9.05 KB
66FW-54H (serv.man32) Ragged verticals at the top and bottom of the screen Service Manual / Technical Bulletin 1 8.99 KB

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