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Teac UD-503, Schematic Diagram

The Teac UD-503 is a high-quality digital-to-analog converter that offers superb sound quality. For those looking to troubleshoot or learn more about the internal workings of the UD-503, a free Schematic Diagram manual is available for download from 88.208.23.73:8080. Dive into the details and enhance your experience with this exceptional audio component.

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SCHEMATIC DIAGRAM

UD-503

         

UD-503

1

2

3

4

5

6

7

8

A

B

C

D

E

Z

LINEIN/POWER PCB

FOR U518

FOR U518

FOR U519

FOR U519

R712

100k(F,2125)

+

C648

100u/25V(ME-AX)

R723

100k(F,2125)

+

-

U518B

NE5532AD

5

6

7

R725

1.5k(F,2125)

R720

100k(F,2125)

+

C642

100u/25V(ME-AX)

R722

0(F,2125)

R711

100k(F,2125)

+

C655

100u/25V(ME-AX)

+

-

U519B

NE5532AD

5

6

7

R718

0(F,2125)

+

C654

100u/25V(ME-AX)

R719

1k(F,2125)

C650

470p(ECHU)

+

C651

100u/25V (KMG)

+

C652

100u/25V (KMG)

R727

0(F,2125)

R717

0(F,2125)

R716

1.5k(F,2125)

R713

0(F,2125)

R714

100k(F,2125)

R726

0(F,2125)

P511

B5B-ZR

1

2

3

4

5

+

-

V+

GND

U518A

NE5532AD

3

2

1

8

4

+

C644

100u/25V (KMG)

+

C647

100u/25V(ME-AX)

+

C645

100u/25V (KMG)

J505

RJ-1081(W)

2b

1a

3

R721

100k(F,2125)

R715

1.5k(F,2125)

R724

1.5k(F,2125)

J506

RJ-1081(R)

2b

1a

3

C643

470p(ECHU)

+

-

V+

GND

U519A

NE5532AD

3

2

1

8

4

R710

1k(F,2125)

P512

B6B-ZR

1

2

3

4

5

6

+

C649

100u/25V(ME-AX)

T 1AL 250V

NEUTRAL

LIVE

LIVE

LIVE

P807

B2P3S-VH

1
2
3

F801

218001.P

P808

B2P3S-VH

1
2
3

C818
4700p/X1

C819

4700p/X1

T803

LF2020NP-B-392

1

4

2

3

P806

B2P4S-VH

1
2
3
4

V

V

V

V

V

V

V

PCB,LINEIN UD503 G

PCB,POWER UD503G

Summary of Contents for UD-503

Page 1: ...1 6 2 MAIN PCB 2 6 3 MAIN PCB 3 6 4 MAIN PCB 4 6 5 MAIN PCB 5 6 6 MAIN PCB 6 6 7 ANALOG PCB 1 5 8 ANALOG PCB 2 5 9 ANALOG PCB 3 5 10 ANALOG PCB 4 5 11 ANALOG PCB 5 5 12 PHONE PCB 13 DIGITAL FRONT VR P...

Page 2: ...0 U1 PCM9211PTR ERROR INT0 1 NPCM INT1 2 MPIO_A0 RXIN8 3 MPIO_A1 RXIN9 4 MPIO_A2 RXIN10 5 MPIO_A3 RXIN11 6 MPIO_C0 7 MPIO_C1 8 MPIO_C2 9 MPIO_C3 10 MPO0 15 MPO1 16 DOUT 17 LRCK 18 BCK 19 SCK0 20 MPIO_...

Page 3: ...72 47 R392 10 R64 47 C43 0 1U C168 10U L74 BLM18PG471SN1 TP101 R55 330 TP105 L22 MPZ1608S221AT D7 N M 1SS355 D8 RB161L 40 C44 1000P L77 BLM18PG471SN1 R56 10 C47 10U R59 100 1 2W 50 25mm L19 BLM18PG471...

Page 4: ...C52 10U TP107 R89 47K Q2 2SC4081 1 3 2 R98 10K R100 47 L29 BLM18PG471SN1 R91 47K L26 BLM18PG471SN1 R108 47 U10 BTM 760 VREGENABLE_H 1 GND 2 GND 3 GND 4 AIO0 5 AIO1 6 PIO0 7 UART_TX 16 VDD_PIO 17 GND...

Page 5: ...8 47 R194 10 R201 10K TP24 TP38 R141 10 TP39 L36 BLM18PG471SN1 U14 PC410 A 1 C 3 Vcc 6 Vo 5 GND 4 C73 0 1U TP37 U19 KB816 1 2 4 3 TP124 R190 470 R204 10 R404 470 TP55 R187 47 U13C SN74LV125APWR E 10 A...

Page 6: ...3UDQS_3 N3 IO_L2N_3 N4 IO_L52N_M3A9_3 A2 IO_L83N_VREF_3 A3 IO_L50N_M3BA2_3 B1 IO_L52P_M3A8_3 B2 IO_L83P_3 B3 IO_L50P_M3WE_3 C1 IO_L48N_M3BA1_3 C2 IO_L49N_M3A2_3 D1 IO_L46N_M3CLKN_3 E1 IO_L46P_M3CLK_3...

Page 7: ...NI3 P23 44 ANI2 P22 45 ANI1 P21 46 ANI0 P20 47 P130 48 P03 49 P02 50 P01 TI010 TO00 51 P00 TI000 52 P122 X2 EXCLK OCD0B 9 P33 TI51 TO51 INTP4 18 C136 1000P TP78 R400 NT 1 5K UD 8 2K TP60 R339 10K R358...

Page 8: ...CE1 1 SOURCE2 2 SOURCE3 3 GATE 4 DRAIN1 5 DRAIN2 6 DRAIN3 7 DRAIN4 8 R541 22 R770 100k C509 0 01u R530 47 Q505 RRH075P03 SOURCE1 1 SOURCE2 2 SOURCE3 3 GATE 4 DRAIN1 5 DRAIN2 6 DRAIN3 7 DRAIN4 8 F504 3...

Page 9: ...A 10 DCCAP2B 23 V 18 V 17 VDDOUT 13 GND0 5 GND1 7 GND2 9 GND3 11 GND4 24 GND5 26 GND6 28 ADR0 19 ADR1 20 DATA 14 CLOCK 15 LATCH 16 DIFF 22 C526 10u 6 3V 1608 C673 0 1u R549 180 C529 0 1u ECHU AK4490 U...

Page 10: ...588 1 0k F 2125 R592 1 5k F 2125 R603 N M U511B MUSES8820E 5 6 7 R600 10K F C576 0 1u ECHU R586 1 5k F 2125 C580 0 1u ECHU R599 18k F C598 0 1u 1608 V V U511A MUSES8820E 3 2 1 8 4 C587 100u 25V KMG R5...

Page 11: ...IN1 6 DRAIN2 5 R630 33 F 2125 R778 100k R626 10k F 2125 J501 RJ 1081 W 2b 1a 3 R649 47 F 2125 R628 1k F 2125 C623 220u 25V KMG D536 1SS355VM R614 1k F 2125 P509 B6B PH 1 2 3 4 5 6 Q528B TT8K11 SOURCE...

Page 12: ...0 F 2125 D535 1SS355VM R672 1 5k F 2125 R666 33 F 2125 R655 4 7k F 2125 R656 10k F 2125 R700 10k F 2125 R709 100k R774 100k R660 33 F 2125 P504 XLRM_ 2 1 3 R674 10k F 2125 R670 4 7k F 2125 R701 47 F 2...

Page 13: ...22u ECHU C660 0 022u ECHU Q552B TT8K11 SOURCE 3 GATE 4 DRAIN1 6 DRAIN2 5 P513 6P SAN 1 2 3 4 5 6 Q557B TT8K11 SOURCE 3 GATE 4 DRAIN1 6 DRAIN2 5 R738 10k F 2125 D527 RSB27V 1 2 J508 SJ 6316 6 5 4 2 3 7...

Page 14: ...5 D901 N M RSB5 6SMT2N L902 BLM18PG471SN1 TP915 TP905 D904 N M RSB5 6SMT2N D903 N M RSB5 6SMT2N C912 N M 100p D906 RB558W R934 150 C914 1000P TP908 R900 220 1 2 TP904 R903 47 C918 0 1U D908 N M RSB5...

Page 15: ...CLKX1 GP0 5 B03 AXR14 CLKR1 GP0 6 B04 AXR15 EPWM0TZ 0 ECAP2_APWM2 GP0 7 A04 SPI1_SCS 1 EPWM1A PRU0_R30 8 GP2 15 TM64P2_IN12 F18 EMA_WEN_DQM 1 GP2 2 A05 EMA_WEN_DQM 0 GP2 3 C08 EMA_CAS PRU0_R30 2 GP2...

Page 16: ...8 VP_DIN 12 UHPI_HD 4 UPP_D 4 PRU0_R30 12 PRU0_R31 12 T16 VP_DIN 13 _FIELD UHPI_HD 5 UPP_D 5 PRU0_R30 13 PRU0_R31 13 U19 VP_DIN 14 _HSYNC UHPI_HD 6 UPP_D 6 PRU0_R30 14 PRU0_R31 14 V19 VP_DIN 15 _VSYNC...

Page 17: ...04 VSS M05 VSS M06 VSS M07 VSS M10 VSS M11 VSS N05 VSS N11 VSS N12 VSS P11 CVDD E15 CVDD G07 CVDD G08 CVDD G13 CVDD H06 CVDD H07 CVDD H10 CVDD H11 CVDD H12 CVDD H13 CVDD J06 CVDD J12 CVDD K06 CVDD K12...

Page 18: ...142 0 2012 C126 0 1u C126 0 1u R124 0 R124 0 C137 10u 16V 2012 C137 10u 16V 2012 C122 10u 16V 2012 C122 10u 16V 2012 U6 NJM2870F33 U6 NJM2870F33 VIN 5 VOUT 4 NR 3 CTL 1 GND 2 R130 100K R130 100K R136...

Page 19: ...R727 0 F 2125 R717 0 F 2125 R716 1 5k F 2125 R713 0 F 2125 R714 100k F 2125 R726 0 F 2125 P511 B5B ZR 1 2 3 4 5 V GND U518A NE5532AD 3 2 1 8 4 C644 100u 25V KMG C647 100u 25V ME AX C645 100u 25V KMG...

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