37AM-23H (serv.man15). Resetting of child lock - details of NVM locations - Sharp TV Technical Bulletin (repair manual)

37am-23h (serv.man15) technical bulletin
Model
37AM-23H (serv.man15)
Pages
1 Few pages! See other manuals at the bottom of the first or last page.
Size
7.37 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
TV / CTR / Resetting of child lock - details of NVM locations
File
37am-23h-sm15.pdf
Date

Read Sharp 37AM-23H (serv.man15) Technical Bulletin online

Sharp Electronics (UK) Limited
Originator AvW   Supervisor                        Approval Date    /   /     Reference PJCHDLCK MK2
Revision   
White – Carry out as required, Yellow – Carry out as required and whenever the unit comes in for service, Red – Carry out on all units
CTV970208
Month of Issue:
        Classification: White
TELEVISION TECHNICAL BULLETIN
Page 1 of 1
MODELS
37AM23H
37AM12H
37AT25H
51AT15H
SYMPTOM Unit stuck in the child lock mode.
CAUSE
Incorrect PIN number or data corruption.
ACTION
To reset the child lock mode, follow the procedure given below.
1.  Switch the television on ( Mains switch ).
2.  Press the volume down button on the television and the child lock button on the
remote control simultaneously.
3.  Press the mode button on the remote control.
4.  Using the channel up and down buttons, move to the child lock position.
5.  Press the mode button again.
6.  Select a new PIN ( Do not forget it ).
7.  Select exit and press mode again.
Note that this procedure is shown in the service manual.
Alternativly the NVM can be reprogrammed by changing the following locations.
Location 
Purpose  
Default
C5    
Password on/off   
00
C6    
First Digit of PIN number   
05
C7    
Second Digit of PIN number  
05
C8    
Third Digit of PIN number  
05 
C9    
Forth Digit of PIN number   
05
To turn off the child lock function change location 0B to 98 and back on again to B8.
Display

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Here you can read online and download Sharp 37AM-23H (serv.man15) Technical Bulletin in PDF. 37AM-23H (serv.man15) technical bulletin will guide through the process and help you recover, restore, fix, disassemble and repair Sharp 37AM-23H (serv.man15) CTR. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.