DOWNLOAD Sharp 37DT-25H (serv.man27) Service Manual ↓ Size: 7.56 KB | Pages: 1 in PDF or view online for FREE

Model
37DT-25H (serv.man27)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
7.56 KB
Type
PDF
Document
Service Manual / Technical Bulletin
Brand
Device
TV / CTR / Common faults on the CA1 Chassis
File
37dt-25h-sm27.pdf
Date
PREV: Sharp 37DT-25H (serv.man26) Service Manual / Technical Bulletin

Sharp 37DT-25H (serv.man27) Service Manual / Technical Bulletin ▷ View online

Sharp Electronics (UK) Limited
Reference AVW150299/1
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
CTV990202
Month of Issue: Febuary 1999
        Classification:                White
TELEVISION TECHNICAL BULLETIN
           Page 1 of 1
MODELS
37DM23H
37DT25H
51DT25H
Common faults on the CA1 Chassis
Fault
Reason
Possible Cause
No teletext
Low video input to pin 30 of IC1001 (should be 2.5V).
Q201 or Q801
Buzz on sound
Noise on audio IF signal or AFT VCO adjustment
incorrect
Q801 or poor adjustment of the AFT
VCO
Erratic start up problems
Noise corrupting operation of IC1001/201
See Technical Bulletin CTV981205
Vertical stage problems
Various component failures.  Note that as the vertical
output stage is DC coupled, a problem at the start of the
stage can have a dramatic effect on the output.
Check all components in the vertical
stage, paying particular attention to
R507/8/22, C510/2/14 and C713
No start up
Power supply failure
Q702 and/or D718 short circuit
Dead set
Power supply running, but no picture and sound
Q704 and/or Q1012
Display

Sharp 37DT-25H (serv.man27) Service Manual / Technical Bulletin ▷ Download

  • DOWNLOAD Sharp 37DT-25H (serv.man27) Service Manual ↓ Size: 7.56 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 37DT-25H (serv.man27) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp 37DT-25H (serv.man27) CTR. Information contained in Sharp 37DT-25H (serv.man27) 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.

Found More:

37DT-25H (serv.man27) Service Manuals

Preview DownloadPagesSize
37DT-25H (serv.man2) Start to Page 15 Service Manual 20 2.36 MB
37DT-25H (serv.man3) Pages 16 to 30 Service Manual 15 1.9 MB
37DT-25H (serv.man4) Pages 31 to 51 Service Manual 21 2.4 MB
37DT-25H (serv.man5) Page 52 to end Service Manual 20 1.73 MB
37DT-25H (serv.man6) Circuit diagrams Service Manual 5 721.67 KB
37DT-25H (serv.man7) PWB layouts Service Manual 4 1.07 MB
37DT-25H (serv.man8) NVM map Service Manual 4 164.43 KB
37DT-25H (serv.man9) Adjustment procedures and child lock release details Service Manual 4 152.7 KB
37DT-25H (serv.man11) User Manual / Operation Manual 28 1007.15 KB
37DT-25H (serv.man10) Parts listing Service Manual / Parts Guide 11 672.14 KB
37DT-25H from the Service Manual / Specification 1 19.82 KB
37DT-25H (serv.man16) Change of power supply opto-coupler. Service Manual / Technical Bulletin 1 61.36 KB
37DT-25H (serv.man31) Details of recall notice made in March 1998 Service Manual / Technical Bulletin 2 47.01 KB
37DT-25H (serv.man30) Jittering teletext Service Manual / Technical Bulletin 1 7.84 KB
37DT-25H (serv.man29) Details of hotel mode operation Service Manual / Technical Bulletin 2 11.9 KB
37DT-25H (serv.man28) Data change when replacing the NVM - OSD shift, language and child lock functions Service Manual / Technical Bulletin 1 8.21 KB
37DT-25H (serv.man26) Fitting instructions for Orion type CRT (circuit changes) Service Manual / Technical Bulletin 1 7.84 KB
37DT-25H (serv.man25) Common faults on the CA1 chassis Service Manual / Technical Bulletin 1 19.8 KB
37DT-25H (serv.man24) Countermeasure for no teletext unless in the mix mode Service Manual / Technical Bulletin 1 42.59 KB
37DT-25H (serv.man23) Countermeasure for set not coming out of standby Service Manual / Technical Bulletin 1 90.98 KB
37DT-25H (serv.man22) Countermeasure for height, tuning or video problems at switch on Service Manual / Technical Bulletin 2 79.59 KB
37DT-25H (serv.man21) Countermeasure for whistling power supply during the standby mode Service Manual / Technical Bulletin 1 33.55 KB
37DT-25H (serv.man20) Countermeasure for intermittent noise from SCART connection during standby Service Manual / Technical Bulletin 2 28.18 KB
37DT-25H (serv.man19) Countermeasure for protection of data loss from the NVM during switch on Service Manual / Technical Bulletin 1 22.84 KB
37DT-25H (serv.man18) Countermeasure for intermittent failure of Q401 and Q801 Service Manual / Technical Bulletin 2 26.03 KB
37DT-25H (serv.man17) Countermeasure to cure popping from the loudspeaker during switch on Service Manual / Technical Bulletin 2 17.01 KB
37DT-25H (serv.man15) No sound or picture. Service Manual / Technical Bulletin 1 34.98 KB
37DT-25H (serv.man14) IC201 mask has been updated from 1Y to 2Y. Service Manual / Technical Bulletin 1 42.08 KB
37DT-25H (serv.man13) Vertical collapse and no data on the I2C bus after one minute. Service Manual / Technical Bulletin 1 40.62 KB
37DT-25H (serv.man12) Power supply runs, but it does not turn on Service Manual / Technical Bulletin 1 11.04 KB
37DT-25H (serv.man32) Packaging Weights Data Regulatory Data 1 4.35 KB

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