powersoft Ottocanali HGT Series Service Manual Download Page 5 | Manualshive

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5

OTTOCANALI HGT | SERVICE MANUAL

INDEX

•

The DSP parameters are installed, the green LEDs are on (2
seconds)

•

The amplifier is now ready for use.

Different LEDs configurations could be symptoms of a malfunction, please follow the next steps:
SD Card FW Recovery procedure
Contact the Powersoft’s Service Centre

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Summary of Contents for Ottocanali HGT Series

Page 1: ...Ottocanali HGT Series Service Manual Keep this manual for future reference Ottocanali 8K4 2017 Powersoft powersoft_OttocanaliHGT_servman_en_v2 7...

Page 2: ...Intentionally left blank...

Page 3: ...ce centre agreement between the two companies be interrupted these documents must be returned to Powersoft S p A Italy or proof of their destruction be provided OTTOCANALI HGT SERVICE MANUAL Data are...

Page 4: ...conds it triggers the Firmware update via USB when present SoftReset HardReset if pressed for 3 seconds it resets the rack unit to its factory settings The amplifier performs a reading of the TIVA the...

Page 5: ...meters are installed the green LEDs are on 2 seconds The amplifier is now ready for use Different LEDs configurations could be symptoms of a malfunction please follow the next steps SD Card FW Recover...

Page 6: ...CH 1 4 CH 5 8 Layout Locate the 2 screws highlighted on Fig 1 and remove them by means of a PH1 Phillips head screwdriver Locate the 4 screws highlighted on Fig 2 and remove them by means of a PH2 Phi...

Page 7: ...ARMREAR Audio Inputs Mains Faston Plugs 8CHHGT STD INOUTREAR 8CHHGT STD CNTRL Layout Locate and remove the 16 screws that secure the module s covers by means of a PH1 phillips head screwdriver Fig 4 R...

Page 8: ...N AUX LEDs 12V GREEN ON 12V GREEN ON 5V GREEN ON HITEMP YELLOW OFF FAULTY CONDITION AUX LEDs 12V GREEN OFF Replace the 8CHHGT STD ANALOG board 12V GREEN OFF 5V GREEN OFF HITEMP YELLOW OFF FAULTY CONDI...

Page 9: ...H 1 NORMALLY OFF BLINK D200 Status Current calibration current drawn by CH 2 NORMALLY OFF BLINK 4 Disassembling the DigiMod3004PFC4 Modules The LEDs disposition and their meanings are portrayed on Fig...

Page 10: ...nnectors marked in Green and Yellow By gently pressing on the indicated points extract the Brooklyn board Gently pry the EPROM off the CNTRL board marked light blue Cut the zip tie marked in Purple By...

Page 11: ...11 OTTOCANALI HGT SERVICE MANUAL INDEX Gently pry the backside of the amplifier s chassis open as portrtrayed on Fig 7 Carefully lift the DSPETH Board by pinching the heatsink as in Fig 8 Fig 8 Fig 7...

Page 12: ...lighted on Fig 10 It is now possible to remove the front led cover Fig 11 Use the 2mm Hex head screwdriver to remove the screw that holds the magnet in place Use a M6 socketed screwdriver to remove th...

Page 13: ...plugging all the connectors highlighted in yellow on Fig 13 Proceed by unscrewing the screws and bolts highlighted in light blue on Fig 13 with a combination of a PH1 phillips head and M6 socketed scr...

Page 14: ...y means of a PH1 Phillips head screwdriver remove the screws that secure the fans to the chassis Fig 16 It is now possible to remove the fans Fig 17 Pro tip don t worry about plugging the fan s connec...

Page 15: ...CH8 BLACK CH8 ORANGE CH5 CH8 CH7 CH6 audio output audio output audio input CH1 CH4 CH3 CH2 audio output audio output audio input Channel Wire color CH1 YELLOW CH1 RED CH3 GREY CH3 BROWN Channel Wire...

Page 16: ...Amplifier back on and wait The amplifier will cycle all the steps involved in the power up sequence and it should stop showing the LED configuration portrayed In order to update the Firmware via USB P...

Page 17: ...ESET FW UPDATE PWS OUT ENERGY SAVE ON OFF CH 1 2 CH 3 4 CH 5 6 CH 7 8 ON OFF B C D E F G H A CALL SOFT RESET HARD RESET FW UPDATE PWS OUT ENERGY SAVE ON OFF CH 1 2 CH 3 4 CH 5 6 CH 7 8 ON OFF Switch t...

Page 18: ...U27 regulators Be extremely cautious and make sure that the internal capacitor s bank is not charged Start by checking with a multimeter set to Ohm the resistance between pin 1 and ground on the U61...

Page 19: ...20 Fig 21 Move to U27 and check the resistance between pin 7 and ground as in Fig 20 Proceed by checking the resistance between pin 1 and ground as in Fig 21 If the result of any of these tests is a s...

Page 20: ...to ground 5 Vdc Check the fans by connecting them to a dc Power Supply making sure not to invert the polarity Supply 12 Vdc and measure the absorption Fig 24 The absorption s value should be 150 mA C...

Page 21: ...nk plate right 1 ME000767 Front LED panel 1 ME000760 Side Bracket 2 ME000759 Top Cover 1 ME000338 Magnet 2 IN000037 PWS switch 1 IC000117 24LC512 1 FI000024 R 8CHHGT RIGHT FILTER 1 FI000029 R 8CHHGT L...

Page 22: ...ar Must be Worn Observe precaution for handling Electrostatic Discharge sensitive devices Safety precautions We recommend to follow all precautions stated by the law while handling sensitive electrica...

Page 23: ...Intentionally left blank...

Page 24: ...le on www powersoft audio com Powersoft S p A Via Enrico Conti 5 50018 Scandicci FI Italy Tel 39 055 735 0230 Fax 39 055 735 6235 General inquiries info powersoft it Sales sales powersoft it Applicati...

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