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Yamaha TransAcoustic SHTA Series, Maintenance Handbook

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Yamaha TransAcoustic SHTA Series Maintenance Handbook Download Page 14

13. Error Code List of AMP Unit’s LED

Location of the AMP UNIT's LEDs

The LEDs which are installed in the AMP unit indicate the error code when the AMP unit detects an error.
If the LED is "Yellow", it indicates a "WARNING" of overheat or other minor problems of the TD unit.
If the LED is "Red", it indicates a "FAILURE" of the TD unit or thermistor breakdown.
If the LEDs indicate an error,  refer to the following chart in order to see the meaning of the error code.

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Summary of Contents for TransAcoustic SHTA Series

Page 1: ...Upright Piano Apr 2014 Ver 1 0 MAINTENANCE HANDBOOK MHB33 ...

Page 2: ......

Page 3: ...ment Procedure 13 13 Error Code List of AMP Unit s LED 14 14 Unit Connection Diagram 15 15 Q A 16 16 Parts List 17 Table of Contents Foreword This handbook covers the maintenance for the Silent Piano s TransAcousticTM SHTA series released in April 2014 This handbook mainly focuses on information required for maintenance and overview mechanism of the TA mode the newly added function from the SH ser...

Page 4: ...ES Button 7 FUNC Button 8 Function Indicator 9 Display 10 USB Terminal 11 PHONES Jacks Stereo Mini 12 VOLUME Control 13 DC IN 12V Connector 14 MIDI IN MIDI OUT Connectors 15 AUX IN AUX OUT Jacks Stereo Mini 1 Switch Box 2 Soft Pedal 3 Silent Pedal 4 Damper Pedal 5 AC IN Unit Soundboard Side 6 TD ASSY 7 Amp Unit 10 11 12 14 15 13 1 2 3 4 5 6 7 8 9 4 3 2 1 5 6 7 6 4 ...

Page 5: ...d However if replacement of parts are required such as malfunction of the TD ASSY please execute the work in accordance with the 11 TD ASSY replacement procedure Page 10 The TransAcoustic Piano is set in accordance with the individual differences of the pianos in the factory during production Adjustment is required when a part is replaced Please refer to 10 PEQ data migration of SWBOX replacement ...

Page 6: ...se set the pitch curve setting to match the piano type Normally the default setting is for the CF Please adjust the pitch curve of UP TA mode when you use the piano in Layer Playing Mode Operation Display Press the FUNC button to exit the Setup 4 Press the YES or NO button to select the pitch of the TA mode to the same pitch for your acoustic piano You can fine tune the pitch of the keyboard to 0 ...

Page 7: ...d Two new contents were included in the Test Mode Please refer to the 10 PEQ Data Transfer of SWBOX Replacement page 8 Please refer to the SH series MAINTENANCE HANDBOOK Page 20 Please refer to the SH series MAINTENANCE HANDBOOK Page 6 Please refer to the SH series MAINTENANCE HANDBOOK Page 7 Please refer to the SH series MAINTENANCE HANDBOOK Page 10 Please refer to the SH series MAINTENANCE HANDB...

Page 8: ...rminate the test mode Before the SWBOX is replaced please transfer the PEQ data to the new SWBOX by saving the PEQ data to the USB drive in test mode then please return the PEQ data to the SWBOX after the replacement Please refer to the 2 Summary of TransAcousticTM Technology Page 5 for PEQ data Panel buttons REC PLAY POWER ON Mode Method Operation Display Test mode Lod Sav In addition to the conv...

Page 9: ...e SWBOX Completed loading PAS indicates on display when PEQ data loading is finished Status Operation Display InS is displayed if the USB drive is not inserted into SWBOX therefore please insert the USB drive to the SWBOX Press the YES NO button to select Lod and push the PLAY button to start up Lod blinks on display if the PEQ data has not been saved to the SWBOX Insert the USB drive that has the...

Page 10: ...e the TD ASSY if malfunction occurs The TD ASSY must be fixed in the correct position If there was a flaw in the process there is a possibility that the TA mode will not work correctly in this case please follow the instructions below Since the magnetic force of the TD ASSY is strong avoid close contact with your magnetic storage devices and mechanical watches When disconnecting press the upper si...

Page 11: ... Before fixing the screws make sure to insert the new TD ASSY to the boss of the bracket 2 2 Set the new TD ASSY and fix the six screws In case the TD shaft does not enter smoothly in the TD ASSY Please re align in a good position by rotating the screw hole in the figure below Once the center of the screw hole is aligned with the center of the bobbin the shaft will enter smoothly Due to the strong...

Page 12: ...3 TD ASSY Operation Check Check the sound on the TA mode when silent mechanism is engaged When you play the chords and scales in full volume please make sure to check if noise will appear or not Please check the TD ASSY for resistance by moving the bobbin in a push pull motion If this occurs adjust the TD Shaft using the Allen wrench Check again by pulling the bobbin gently and then release tighte...

Page 13: ...ase refer to the following photos of the positions and how to attach the TD Shaft Assy 3 Setting the new TD ASSY Please refer to the 11 TD ASSY Replacement Procedure page 10 4 TD ASSY Operation Check Check the sound on the TA mode when silent mechanism is engaged When you play the chords and scales in full volume please make sure to check if noise will appear or not If noise will appear please rep...

Page 14: ...error code when the AMP unit detects an error If the LED is Yellow it indicates a WARNING of overheat or other minor problems of the TD unit If the LED is Red it indicates a FAILURE of the TD unit or thermistor breakdown If the LEDs indicate an error refer to the following chart in order to see the meaning of the error code 14 ...

Page 15: ...14 Unit Connection Diagram DC IN Switch Box Unit CN2 Key sensor unit Soft Pedal sensor Damper Pedal sensor CN5 Amplifier Unit TD ASSY R ch TD ASSY L ch AC IN Unit AC adaptor 15 ...

Page 16: ...ervice department Other Possible However you must use the AC adapter PJP PS04 of the silent SH GP series Other Impossible Because the SWBOX of the SH series is incompatible with the SHTA series one Question What is the difference between the Layer Playing Mode and the Dual Voice Mode Would it be possible to replace the SWBOX of the SH series with the SWBOX of the SHTA series What do I do if we can...

Page 17: ... CIRCUIT BOARD ASSY ACDCM ZK392400 CIRCUIT BOARD ASSY FUSTB ZK392500 CIRCUIT BOARD ASSY MAD ZK392600 CIRCUIT BOARD ASSY TA ACDIS ZH133500 CIRCUIT BOARD ASSY TA XDCR ZH133400 CIRCUIT BOARD ASSY TAUP GMB ZJ490100 AC IN UNIT TA ZJ521900 ZJ426800 POWER CORD ASSY U C PJP 300V WJ373600 POWER CORD ASSY G PJP 300V WJ373900 AC IN UNIT TA E ZJ521900 ZJ426800 WIRE HARNESS SWB KP DF14P DF10D 2 3 4P ZF164300 S...

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