DOWNLOAD Sharp 51DT-25H (serv.man21) Service Manual ↓ Size: 6.95 KB | Pages: 1 in PDF or view online for FREE

Model
51DT-25H (serv.man21)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
6.95 KB
Type
PDF
Document
Service Manual / Technical Bulletin
Brand
Device
TV / CTR / Countermeasure for doming at high beam current
File
51dt-25h-sm21.pdf
Date
PREV: Sharp 51DT-25H (serv.man20) Service Manual / Technical Bulletin

Sharp 51DT-25H (serv.man21) Service Manual / Technical Bulletin ▷ View online

Sharp Electronics (UK) Limited
Originator AvW   Supervisor                        Approval Date    /   /     Reference JC110199/32
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
CTV990112
Month of Issue: January 1998
        Classification:                White
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
MODELS
51AT15H
51DT25H
SYMPTOM Doming caused by high beam current in limited areas of the CRT shadowmask
causing short term purity errors.
ACTION
Enter the test mode and reduce the RGB gain settings to reduce the beam current
until doming does not occur.
It is recommended that each gain setting is reduced by a factor of 5 (hexidecimal
format), but this can be changed as necessary.
Note that it is important that a correct grey scale is maintaned while adjusting the RGB
settings.
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Sharp 51DT-25H (serv.man21) Service Manual / Technical Bulletin ▷ Download

  • DOWNLOAD Sharp 51DT-25H (serv.man21) Service Manual ↓ Size: 6.95 KB | Pages: 1 in PDF or view online for FREE
  • Here you can View online or download the Service Manual / Technical Bulletin for the Sharp 51DT-25H (serv.man21) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp 51DT-25H (serv.man21) CTR. Information contained in Sharp 51DT-25H (serv.man21) 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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51DT-25H (serv.man21) Service Manuals

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51DT-25H (serv.man2) Version N8 circuit diagram Service Manual 2 395.67 KB
51DT-25H (serv.man3) Circuit diagrams Service Manual 6 752.49 KB
51DT-25H (serv.man4) PWB layouts Service Manual 4 1.07 MB
51DT-25H (serv.man5) NVM map Service Manual 4 164.43 KB
51DT-25H (serv.man6) Adjustment procedures and child lock release details Service Manual 4 152.7 KB
51DT-25H (serv.man8) User Manual / Operation Manual 28 1007.15 KB
51DT-25H (serv.man7) Parts listing Service Manual / Parts Guide 11 672.14 KB
51DT-25H from the Service Manual / Specification 1 19.82 KB
51DT-25H (serv.man20) Countermeasure for intermittent noise from SCART connection during standby Service Manual / Technical Bulletin 2 28.18 KB
51DT-25H (serv.man15) Common faults on the CA1 chassis Service Manual / Technical Bulletin 1 19.8 KB
51DT-25H (serv.man22) Countermeasure for whistling power supply during the standby mode Service Manual / Technical Bulletin 1 33.55 KB
51DT-25H (serv.man23) Countermeasure for height, tuning or video problems at switch on Service Manual / Technical Bulletin 2 79.59 KB
51DT-25H (serv.man24) Countermeasure for set not coming out of standby Service Manual / Technical Bulletin 1 90.98 KB
51DT-25H (serv.man25) Countermeasure for no teletext unless in the mix mode Service Manual / Technical Bulletin 1 42.59 KB
51DT-25H (serv.man26) Data change when replacing the NVM - OSD shift, language and child lock functions Service Manual / Technical Bulletin 1 8.21 KB
51DT-25H (serv.man27) Fitting instructions for Thomson CRT Service Manual / Technical Bulletin 2 31.5 KB
51DT-25H (serv.man28) Details of hotel mode operation Service Manual / Technical Bulletin 2 11.9 KB
51DT-25H (serv.man29) Jittering teletext Service Manual / Technical Bulletin 1 7.84 KB
51DT-25H (serv.man19) Countermeasure for intermittent failure of Q401 and Q801 Service Manual / Technical Bulletin 2 26.03 KB
51DT-25H (serv.man18) Countermeasure to cure popping from the loudspeaker during switch on Service Manual / Technical Bulletin 2 17.01 KB
51DT-25H (serv.man17) 1Y and 2Y are not interchangeable. Service Manual / Technical Bulletin 1 37.92 KB
51DT-25H (serv.man16) Change of processor and crystal to reduce patterning Service Manual / Technical Bulletin 3 209.51 KB
51DT-25H (serv.man14) Change of power supply opto-coupler. Service Manual / Technical Bulletin 1 61.36 KB
51DT-25H (serv.man13) Change of CRT from Philips to Thompson. Service Manual / Technical Bulletin 1 60.71 KB
51DT-25H (serv.man12) No sound or picture. Service Manual / Technical Bulletin 1 34.98 KB
51DT-25H (serv.man11) To improve picture quality. Service Manual / Technical Bulletin 1 75.05 KB
51DT-25H (serv.man10) IC201 mask has been updated from 1Y to 2Y. Service Manual / Technical Bulletin 1 42.08 KB
51DT-25H (serv.man9) Vertical collapse and no data on the I2C bus after one minute. Service Manual / Technical Bulletin 1 40.62 KB
51DT-25H (serv.man30) Packaging Weights Data Regulatory Data 1 4.35 KB

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