Read Sharp HT-SL70 (serv.man7) Technical Bulletin online
AUD 2012 02 01
Date of Issue: 8
th
February 2012
Classification:
White
AUDIO TECHNICAL BULLETIN
Page 1 of 6
Sharp Electronics (UK) Limited
Reference – RG20120119
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
HT-SL50 HT-SL70
SYMPTOM HDMI switching issue and back ground noise on the HT-SL70.
CAUSE
Software timing issues and capacitor needs removal (HT-SL70).
ACTION
Follow the instructions below to remove C622 on HT-SL70 and how to update the
software.
software.
If the loan of programming tools is required please log your request on the Technical
Web site.
A charge will be made for those not returned within 28 days.
Web site.
A charge will be made for those not returned within 28 days.
HT-SL70 only, C622 removal.
1. Remove the 4 screw at the back of the unit.
2. Remove the 5 x bottom screws as shown above
AUD 2012 02 01
Date of Issue: 8
th
February 2012
Classification:
White
AUDIO TECHNICAL BULLETIN
Page 2 of 6
Sharp Electronics (UK) Limited
Reference – RG20120119
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
3. Cut Cable Tie to enable easier removal of Chassis.
4. Locate C622 and remove ( Green Disc capacitor ).
5. Re-address cable, fit new cable tie, relocate the chassis and refit screws.
AUD 2012 02 01
Date of Issue: 8
th
February 2012
Classification:
White
AUDIO TECHNICAL BULLETIN
Page 3 of 6
Sharp Electronics (UK) Limited
Reference – RG20120119
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
Software Update for both units.
Reflash both CPU and slave MPU software.
Load onto your PC, down loadable from the Technical Web site the “EPFlash”
software and also save to a known location the “HDMI update software”.
Load onto your PC, down loadable from the Technical Web site the “EPFlash”
software and also save to a known location the “HDMI update software”.
1. Connect the mains supply and have the unit in stand-by ( Red light on ).
2. Connect the Software writer jig as shown below.
Figure 1. Jig Red light should be iluminated.
3. Press the RH tip button.
Figure 2. R.H. Button press to start programming cycle.
AUD 2012 02 01
Date of Issue: 8
th
February 2012
Classification:
White
AUDIO TECHNICAL BULLETIN
Page 4 of 6
Sharp Electronics (UK) Limited
Reference – RG20120119
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
4. Yellow light should iluminate to show unit in programming mode
5. When operation is completed Blue light will iluminate.
6. When completed un-plug the mains supply Leave programming jig in place .
