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NAD C 521BEE Schematic Diagrams - Wiring Diagram

Other manuals for C 521BEE: Specification Sheet, Owner's Manual, Service Manual
Manual is about: NAD Electronics International Owner's Manual Compact Disc Player C 521BEE

Summary of C 521BEE

  • Page 1

    Nad c 521bee c o m pa c t disc player c 521bee comp act disc pla yer ser vice manual.

  • Page 2: Block Diagram

    - 7 - block diagram u401 m38223e4hp4 system control cpu & lcd display driver q401- q405 mute circuit q301-q304 mute m317 rca jack u302 pmc1710 m318 rca jack digital output m501* lcd display 8 7 27 22 2 1 3 51 78 35 1 2 16 13 3 61 62 63 51 43 39 40 46 45 38 24 12 9 2 4 3 6 60 l r l r cd audio o/p 12 ...

  • Page 3: Wiring Diagram

    - 8 - wiring diagram 115v:j401,j404 230v:j403 l401 j403 j406 j407 j402 j404 j401 1723-006a-0000 8v 0v 0v 8v 15v 0v 15v issue b m120c m505b m301 live neutral m500a m102 (16pin) m105 (6pin) m505a cd mechanism transformer board displa y board led board key board live board m101 (5pin) to chassis m805 b...

  • Page 4

    - 14 - schematic diagram display sl+ 1 sl- 2 rcin1 3 srdr 4 sfdr 5 vrefi 6 vrefo 7 gnd 8 frdr 9 ffdr 10 rcin2 11 fcs+ 12 fcs- 13 gnd1 14 mute 15 trk+ 16 trk- 17 rcin3 18 tfdr 19 trdr 20 vcc 21 vcc1 22 vbin 23 spdr 24 vbin1 25 sp- 26 sp+ 27 gnd2 28 gnd 29 gnd 30 u201 ba6392 sqso 1 sqck 2 xrst 3 sysm ...

  • Page 5

    - 15 - mcu p67/an7 1 p66/an6 2 p65/an5 3 p64/an4 4 p63/an3 5 p62/an2 6 p61/an1 7 p60/an0 8 p57/adt 9 p56/tout 10 p55/cntr1 11 p54/cntr0 12 p53/rtp1 13 p52/rtp0 14 p51/int3 15 p50/int2 16 p47/srddy 17 p46/sclk 18 p45/txd 19 p44/rxd 20 p43/i1 21 p42/int0 22 p41 23 p40 24 /reset 25 p71/xcin 26 p70/xout...

  • Page 6

    - 16 - vc 1 vcc 2 e 3 d 4 a 5 b 6 c 7 f 8 gnd 9 ld 10 vr 11 pd 12 fcs+ 13 trk+ 14 trk- 15 fcs- 16 m102 16pin ld 1 pd 2 eq_in 3 ac_sum 4 gnd 5 a 6 b 7 c 8 d 9 e 10 f 11 sw 12 dvcc 13 dvc 14 rfac 15 fe 16 fei 17 te 18 te_bal 19 ce 20 cei 21 vcc 22 rfg 23 bst 24 vfc 25 rfc 26 vc 27 rfdco 28 rfdci 29 dc...

  • Page 7

    - 17 - 10 1 2 3 4 5 6 7 8 9 m500 1 2 3 4 m810 tln120a150w3r0 ac1 ac cordest ferrite ring * only in c version m802 power_sw c800 4700p j800 230v j801 120v d514 in4001 d516 in4001 c543 104k c541 104k c501 104k d515 1n4001 d517 1n4001 c542 104k c540 104k vin gnd vout 1 2 3 u507 7808 dgnd c529 4700u/16v...

  • Page 8: Ic Block Diagram

    Ac sum ac vca eq_on/off vc d vcc r w/r om r w/r om r w/r om r w/r om r w/r om r w/r om r w/r om vc vc vc dv c dv c v ofst v ofst b c a d v ofst eq apc 23 rfg 24 bst 26 rfc 25 vfc 14 dvc 27 vc 5 gnd 22 vcc 1 ld 2 pd 12 sw 11 e 10 f 9 d 8 c 7 b 6 a 15 rf a c 30 dc_ofst 29 rfdci 28 rfdco 17 fei 16 fe 1...

  • Page 9

    - 19 - main board u301: cxd3017q clock generator efm demodurator error corrector 16k ram digital out d/a interface serial-in interface over sampling digital filter pwm pwm timing logic 3rd-order noise shaper sub code processor servo auto sequencer servo interface servo block dac block signal process...

  • Page 10

    - 20 - input interface timing control digital filter mode control noise shaper 5-level dac left low pass filter left cmos amp left 5-level dac right low pass filter right cmos amp right 1 2 3 4 6 8 10 12 5 7 9 11 13 14 lrcin din bckin clko xti xto dgnd vdd vcc2r agnd2r ext1r ext2r voutr agnd1 28 27 ...

  • Page 11

    - 21 - a1 b1 y1 a2 b2 y2 gnd vcc b4 a4 y4 b3 a3 y3 1 2 3 4 5 6 7 14 13 12 11 10 9 8 main board u403: tc74hc00ap v0 gnd v1 main board u503: upc79m12hf amplifier 1 output inverting input non-inverting input v – amplifier 2 v + output inverting input non-inverting input 1 2 3 4 8 7 6 5 + – – + main boa...