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DT81

DiVA DT81
Digital Radio Tuner

Service Manual

ARCAM

ARCAM

Issue 1.0

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Summary of Contents for DiVA DT81

Page 1: ...DT81 DiVA DT81 Digital Radio Tuner Service Manual ARCAM ARCAM Issue 1 0 ...

Page 2: ...Contents List Contents list Circuit description Service guide Circuit diagrams Component overlays Circuit board parts list General assembly parts list ...

Page 3: ...each device on TX_DAB RX_DAB The digital audio output from the module comprise of MCLK 12 288MHz master clock LRCK 48kHz left right clock SCLK serial data clock and SDATA serial data These signals go to the D A converter and also to the SPDIF transmitter Z201 Z201 is the SPDIF transmitter Each one of the differential ouputs is used separately SPDIF_OP is for the optical output SPDIF_CX is for the ...

Page 4: ...module not receiving signal check connections to DAB module replace DAB module Power supply test points Position Voltage TP1 0 volt reference TP2 5 volts DAB module TP3 10 volts DAB module TP4 5 volts DAC TP5 15 volts TP6 15 volts TP7 5 volts Hints tips No analogue signal measure between the junction of D10 D11 and D8 D9 for the secondary supply feed from the transformer this should be 40 VAC If t...

Page 5: ... SCH LRCK MCLK SCLK SDATA SPDIF_CX SPDIF_OP Micro and Gold Card I F L918C3_1 1 SCH Kit Mask FOR DT81 DAB TUNER EXCLUDE NF DT81 Tooling Fixing Holes Tooling Holes Main PCB Fixing Holes CLEARANCE HOLE CHS2 CHS3 F3 T100MASP CL 03 10 00 INITIAL PROTOTYPE A 0 Layout by Cliff DD4 CLOGO Update Box DD3 UPDATE_BOX PCB PCB L918PB_1 FD_1 FIDUCIAL FD_2 FIDUCIAL FD_3 FIDUCIAL FD_4 FIDUCIAL CL 22 01 01 PROTOTYP...

Page 6: ...6 7 Z10B LM393A SM C41 680P PP L1 27MH 8 4 Z10C LM393A SM P5V QQ1 QPAD QQ2 QPAD QQ3 QPAD QQ4 QPAD QQ5 QPAD P5V REMOTE_BUS 10 11 12 SW3D A1014 Vin I GND G Vout O Z8 7805 C28 100U EL P7 P5V 5V for DAB 5V for micro TP7 TEST_POINT BYPASS UR 1 2 3 4 5 6 7 8 9 10 SK6 FFC10V UR N15V UR P15V P7V5_UR P5V MUTE1 MUTE1 BP ACAUD1 ACAUD2 ACDIG1 HS3A TO220HS30REG 17 16 1 7 230V 115V 11 18 22 20 14 13 21 5 6 12 2...

Page 7: ...8 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 JP1 50 W SKT A0 10 A1 9 A2 8 A3 7 A4 6 A5 5 A6 4 A7 3 A8 25 A9 24 A10 21 A11 23 A12 2 RB 1 WE 27 CE 20 OE 22 VCC 28 VSS 14 NC 26 DQ0 11 DQ1 12 DQ2 13 DQ3 15 DQ4 16 DQ5 17 DQ6 18 DQ7 19 Z202 M28C64A A1 A0 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 P5V RDI SCL SDA REMOTE RESET nREQ BYPASS RDI_ON PM...

Page 8: ...D SPDFGND OPGND LTUNIN RTUNIN EMC Shield SH101 EMCPHONO2 CL 22 01 01 PROTOTYPE NEW DAC TOSLINK B 0 LRCIN 1 DIN 2 BCKIN 3 MODE8X 4 SCLK 5 DIFFHW 6 DGND 7 DVDD 8 AVDDR 9 AGND2R 10 VMIDR 11 VOUTRN 12 VOUTRP 13 AGND1 14 Vcc 15 VOUTLP 16 VOUTLN 17 VMIDL 18 AGND2L 19 AVDDL 20 ZERO 21 RST 22 CS IWO 23 MODE 24 MUTE 25 MD DM0 26 MC DM1 27 ML IIS 28 WM8740 Z100 WM8740 C101 2N2 PP C106 470P PP C100 2N2 PP C1...

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Page 11: ...0V X7R 10 SM 2C310 C34 C35 ELST 1U0 50V 20 RA 2N510 C36 MLC 100P 100V NPO 5 0805 2L110 C37 C40 ELST 1M0 35V 2N810C C41 PPRO 680P 5 63V RA 2D168 C42 MLC 100P 100V NPO 5 0805 2L110 C43 C44 MLC 10N 50V X7R 10 0805 2J310 C45 C49 MLC 100P 100V NPO 5 0805 2L110 C50 MLC 10N 50V X7R 10 0805 2J310 C51 MLC 10N 50V X7R 10 0805 2J310 C52 C54 MLC 100P 100V NPO 5 0805 2L110 C55 MLC 470P 100V NPO 5 0805 2L147 C5...

Page 12: ...RES SM 0805 5K6 1M256 R101 RES SM 0805 22R 1M022 R102 R104 RES SM 0805 5K6 1M256 R105 R108 RES SM 0805 6K8 1M268 R109 R11 0 RES SM 0805 1K5 1M215 R111 RES SM 0805 4K7 1M247 R112 RES SM 0805 75R 1M075 R113 R11 4 RES SM 0805 1K5 1M215 R121 RES SM 0805 4K7 1M247 R122 RES SM 0805 75R 1M075 R129 RES SM 0805 2K2 1M222 R130 RES SM 0805 12K 1M312 R132 RES SM 0805 2K2 1M222 R133 RES SM 0805 22R 1M022 R134 ...

Page 13: ...CONFIRM BUTTON 6 E891PM DIVA AMP MEDIUM KNOB PLAIN 1 E896PM SELECT BUTTON 1 F022 INS COVER PCB FUSEHOLDER L918AY F1 F2 2 F062 SPARE FUSE HOLDER L918AY F3 1 F164 TAPE BK 3M TESA 6MM WIDE 008 H026 HEX PILLAR M3X11 BRASS DAB MODULE TO MOTHERBOARD 4 HA3V06A M C TORX P H M3X6 ST ZP 8 HA3V10A M3 X 10 PCB TO CHASSIS 16 HE6V06B No 6 X 6 FRONT PANEL TO CHASSIS 6 HF4V09B No 4 X 9 SUB PANEL REAR PANEL 23 HL3...

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