Dbx DRIVERACK DBXPA+ · speaker management

Main board

66 components · 20 parts identified · 1 photo. Tap a marked part to see what it is.

8 traced nets on this board are available to technicians. See plans

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Parts on this board

DesignatorPart (number or value)DescriptionPackage
C80-22pf
C147-ch2in inverting coupling cap
C149-ch2in non inverting coupling cap
C152-ch1in inverting coupling cap
C154-ch1in non inverting coupling cap
J4-panel interface
P7-power connector
P9-cpld jtag
P16-tentative emulator debug port
P21-dsp jtag
Q24QMMBF170
R139, R142-15.4
R143, R149-10k
R144-u11-a nfb resistor
R146, R147-cross compensation resistor 10k
R148-u11-b nfb resistor 10k
R467-u11-b shunt resistor 2k
SW2-gain select switch
U4-inverter
U5NCP302HSN30T1marking sdirpm, reset icsot-23-5
U11N5532Aunbalanced to balanced driver
U13CS42426-CQZ6-channel audio codec, 2 adc 6 dac. gets audio from dsp2. The adc out branch out to both dsp and 3 outputs from dsp1 return here to the DACs.
U14DSPB56367AG150dsp1. mode 0011, parallel host interface, interface status register ISR, reset and initialized by cpld.
U16AUDIODNA2B-Qaudiodna 72-1002 green dsp2
U17AM29LV160Dflash, up_rom
U20AS7C3256A-15JCNsram, up_ram
U22-single ended to double ended for adc
U23K4S641632N-LC60sdram
U247815CD2T
U257915CD2T
U26L7805C2T
U27IF89J+3.3v regulator
U2825LC6401eeprom connected to cpld
U29UP720158EPM240 CPLD, panel/system controller,
U3174HC273Dhigh-speed CMOS octal D-type flip-flop
U3374AC04hex inverter
U34CS5340CZZstereo adc
U36ISP1183usb controller
U41NJM4580
U4574AC04
Y2-12mhz

Marked, not identified yet: C77, C78, L21, L24, P11, P12, P13, P14, P15, R145, R334, U1, U2, U3, U6, U7, U15, U18, U21, U32, U42, Y4