Technics SU-V55A Service Manual Download | Manualshive

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Summary of Contents for SU-V55A

Page 1: ...4D PHONO MM 77 dB 83 dB IHF A PHONO MC 64 dB 65 dB IHF A TUNER CD AUX TAPE 1 DA TAPE TAPE 2 EXT 91 dB 100 dB IHF A 26 db power 40 PHONO MM 68 dB PHONO MC 62 dB TUNER CD AUX TAPE 1 DA TAPE TAPE 2 EXT...

Page 2: ...cedure outlined below 1 Switch OFF the power 2 Determine the cause of the problem and correct it 3 Switch ON the power once again Note When the protection circuitry functions the unit will not operate...

Page 3: ...e the cabinet Remove the 5 screws How to remove the front panel Ref No 3 Procedure 1 2 a How to remove the P C B 1 Push the 9 tabs O 2 Remove the tone and volume P C B 3 Remove the 3 screws 4 Remove t...

Page 4: ...er 1C Ref No 5 Procedure 1 4 5 1 Unsolder the power 1C Power 1C 2 Remove the 2 screws O 0 3 Remove the 4 washer When mounting the power 1C apply silicon thermal compound SZZOLl or equivalent to the re...

Page 5: ...in figure Connect the DC EVM on both channels 2 Turn the ICQ control volume VR401 VR402 counter clockwise 3 Turn ON the set when it is cold and 15 sec later adjust VR401 and VR402 so that the voltage...

Page 6: ...PLAYBACK 240V 50 60Hz 220V 50 60HZ Power tn POWER AMP CURRENT DRIVE AMP VOLTAGE CONTROL AMR MUTING PROTECTION POWER SUPPLY PC B Resistors Capacitors Coils indicated by C R or L area used only in the E...

Page 7: ...transformer AMPLrFIER OPERATION MONITOR CURRENT DRIVE IND VOLTAGE CONTROL INO POWER UNSWITCHED SWITCHED PHONES JACK SPEAKER SELECTOR VOLTAGE SELECTOR CD DIRECT IND PHONO IND LED INDICATOR P C B TUNER...

Page 8: ...11 12...

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Page 10: ...UT PLAYBACK 240V 50 60HZ 220V 50 60H2 Power trai POWER AMP CURRENT DRIVE AMP VOLTAGE CONTROL AMP MUTING PROTECTION POWER SUPPLY PC B Resistors Capacitors Coils indicated by C R or L area used only in...

Page 11: ...CT IND S8 LJ LEGj ONLY 220V 50 60HZ AUX IND TAPE 2 EXT IND TAPE I DA TAPE IND PHONO IND Led indicator rc b TUNER IND AMPLIFIER OPERATION MONITOR CURRENT VOLTAGE N VdRIVE IND KcONTROL IND PHONO EQUALIZ...

Page 12: ...Remote speaker switch in off position A off on 9 S11 Power switch in on position A off on 10 S701 For XAl area only Voltage selector switch in 110V position 1 27 V 1 1 0V 220 V 240 V 11 Indicated vol...

Page 13: ...562 001 152 2445 2 R315 R316 FSR2STJ392T2 R317 R318 FSR2STJ223T2 R3I9 R320 EROS2TJ183 001 152 2429 2 R401 R402 ERDS2TJ122 001 152 2423 8 R403 R404 EROS2TJ823 001 152 2466 9 R406 R406 FSR25TJ272T2 Ref...

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