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VC-M27HM (serv.man24). Dead or tripping power supply. - Sharp VCR Technical Bulletin (repair manual)

vc-m27hm (serv.man24) technical bulletin
Model
VC-M27HM (serv.man24)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
11.87 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
VCR / Dead or tripping power supply.
File
vc-m27hm-sm24.pdf
Date
Next: Sharp VC-M27HM (serv.man25) Technical Bulletin

Read Sharp VC-M27HM (serv.man24) Technical Bulletin online

VCR2000 01 02
Month of Issue: January 2000
        
Classification:
         White
VIDEO TECHNICAL BULLETIN
Page 1 of 1
Sharp Electronics (UK) Limited
Reference AVW200100-1
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
MODELS
VCM26HM
VCM27HM
VCM271HM
VCM29HM
VCMH67HM
VCMH675HM
VCMH68HM
VCMH69HM
SYMPTOM Dead or tripping power supply.
CAUSE
-25V supply is low or missing, or no power supply feedback.
ACTION
If the –25V supply is low or missing, replace D927 and R995.
If the D927 and R995 are not found to be faulty, then it is likely that the opto coupler,
IC901, is faulty.
Please use the part numbers below for replacement parts.
REF NO
DESCRIPTION
PART NUMBER
PRICE CODE
D927
Diode, 1SS147
VHD1SS147//-1
AA
R995
SMD resistor, 10 (1/16W)
VRS-CY1JF100J
AA
IC901
Photo coupler
RH-FX0007GEZZ
AE
Display

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Here you can read online and download Sharp VC-M27HM (serv.man24) Technical Bulletin in PDF. VC-M27HM (serv.man24) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp VC-M27HM (serv.man24) VCR. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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VC-M27HM (serv.man24) Service Manuals

Preview DownloadPagesSize
VC-M27HM (serv.man2) Signal flow block diagram Service Manual 1 718.38 KB
VC-M27HM (serv.man16) Dismantling instructions Service Manual 3 170.98 KB
VC-M27HM (serv.man15) Electrical adjustment procedures Service Manual 8 778.82 KB
VC-M27HM (serv.man14) Mechanical adjustment procedures Service Manual 18 969.87 KB
VC-M27HM (serv.man13) EEPROM programming procedure Service Manual 2 82.87 KB
VC-M27HM (serv.man12) Main circuit part three Service Manual 1 310.44 KB
VC-M27HM (serv.man11) Main circuit part two Service Manual 1 597.28 KB
VC-M27HM (serv.man10) Main circuit part one Service Manual 1 691.39 KB
VC-M27HM (serv.man9) Power supply circuit diagram Service Manual 1 1 MB
VC-M27HM (serv.man8) Power and audio block diagrams Service Manual 1 325.28 KB
VC-M27HM (serv.man7) Notes on the schematic diagram Service Manual 1 168.89 KB
VC-M27HM (serv.man6) PWB layout part two Service Manual 1 1.15 MB
VC-M27HM (serv.man5) PWB layout one Service Manual 1 1.89 MB
VC-M27HM (serv.man4) PWB layout one Service Manual 1 1.89 MB
VC-M27HM (serv.man3) Servo process block diagram Service Manual 1 619.56 KB
VC-M27HM (serv.man20) Operation Manual User Guide / Operation Manual 42 2.4 MB
VC-M27HM (serv.man18) Parts listing Parts Guide 19 1.03 MB
VC-M27HM (serv.man19) Parts explosion Parts Guide 5 1.31 MB
VC-M27HM (serv.man17) Packaging of the set Parts Guide 1 175.16 KB
VC-M27HM Specifications from the service manual Specification 1 46.96 KB
VC-M27HM (serv.man28) Counter measure for no display and no operation (power supply can be heard to trip) Technical Bulletin 1 6.87 KB
VC-M27HM (serv.man35) Correction of price codes that are missing from the service manual Technical Bulletin 1 10.76 KB
VC-M27HM (serv.man34) Remote control not operating Technical Bulletin 1 10.2 KB
VC-M27HM (serv.man33) Error with delayed timer recordings Technical Bulletin 1 10.25 KB
VC-M27HM (serv.man32) Part numbers for switches S8801 2 3 4 Technical Bulletin 1 6.62 KB
VC-M27HM (serv.man31) Counter measure for the remote control not operating Technical Bulletin 1 10.2 KB
VC-M27HM (serv.man30) Counter measure for errors with delayed timer recordings Technical Bulletin 1 10.25 KB
VC-M27HM (serv.man29) Counter measure for no colour and noisy picture Technical Bulletin 1 8.89 KB
VC-M27HM (serv.man27) Counter measure for blue mute on E to E tuner pictures Technical Bulletin 1 28.46 KB
VC-M27HM (serv.man26) Clarification of the head switching point adjustment Technical Bulletin 2 240.12 KB
VC-M27HM (serv.man25) Counter measure for failure of the front panel buttons Technical Bulletin 2 118.83 KB
VC-M27HM (serv.man23) Countermeasure to various faults (e.g.no operation, won't come out of standby). Technical Bulletin 1 35.34 KB
VC-M27HM (serv.man22) Failure of the front panel buttons. Technical Bulletin 2 115.56 KB
VC-M27HM (serv.man21) Reprogramming of the Postcode security feature Technical Bulletin 1 14.63 KB
VC-M27HM (serv.man36) Packaging Weights Data Regulatory Data 1 4.35 KB

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