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Summary of Contents for Arcam DiVA DT81
- Page 1 DT81 Service Manual Issue 1.0 DiVA DT81 Digital Radio Tuner ARCAM ARCAM...
- Page 2 Contents List Contents list Circuit description Service guide Circuit diagrams Component overlays Circuit board parts list General assembly parts list...
- Page 3 Z201 is the SPDIF transmitter. Each one of the differential ouputs is DT81 Circuit Description used separately. SPDIF_OP is for the optical output, SPDIF_CX is for the coax output. Summary The L918 forms the basis of the DT81 DAB tuner. All the circuitry of the tuner is on the same board, with the exception of the front panel PCB.
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Page 4: Fault Diagnostics
DT81 Service Guide Fault diagnostics Fault Action No power Check mains fuse Check power supply rails No Audio output Check for digital output Check analogue power supply voltages Check DAC IC Fails to respond to commands Check supply voltages Check DAB module No Display Check flex foil cable Check for dry joints on micro and display... - Page 5 CHS4 Layout by Cliff CLOGO T100MASP Kit Mask FOR DT81 DAB TUNER EXCLUDE NF,DT81 DRAWING TITLE DIVA DT81 DAB Tuner - Project Sheet 01_1106 8/6/01 ROKE MODULE V1.7 + changed R67 & R68 01_1076 19/03/01 PRODUCTION RELEASE Circuit Diagram Notes: 22/01/01 PROTOTYPE (NEW DAC &...
- Page 6 SW2B 2PCO_NON_LAT MUTE1 10K 0805 MUTE1 2PCO_NON_LAT DRAWING TITLE 47K 0805 47K 0805 DiVA DT81 DAB Tuner - Power Supplies & Muting 47K 0805 01_1106 8/6/01 ROKE MODULE V1.7 + changed R67 & R68 1U0 EL 01_1076 19/03/01 PRODUCTION RELEASE...
- Page 7 DS1233M THIEF1 10K 0805 Z202 M28C64A EEPROM Z204SW L918SW DRAWING TITLE DT81 H8 SOFTWARE DiVA DT81 DAB Tuner - micro circuit L918SW 01_1106 8/6/01 ROKE MODULE V1.7 + changed R67 & R68 19/03/01 PRODUCTION RELEASE Circuit Diagram 01_1076 Notes: 22/01/01 PROTOTYPE (NEW DAC &...
- Page 8 100N 0805 100P NPO 0805 GP1FA550TZ DRAWING TITLE R146 DIGOUTN1 R145 100R 0805 DiVA DT81 DAB Tuner - DAC, Audio Outputs & Headphones 0R0 SM 01_1106 8/6/01 ROKE MODULE V1.7 + changed R67 & R68 C129 C135 100N 0805 1N 0805...
- Page 11 MLC 10N 50V X7R 10% 0805 2J310 DT81 Display Board L919_1.1 MLC 10N 50V X7R 10% SM 2C310 C34,C35 ELST 1U0 50V 20% RA 2N510 MLC 100P 100V NPO 5% 0805 2L110 Reference Description Part Number C37-C40 ELST 1M0 35V 2N810C CERD 100N 63V 20% RA 2A410...
- Page 12 33UH IND 34-48330 7D033 R113,R11 RES SM 0805 1K5 1M215 1UH0 IND SM NL322522T- 7B810 1R0J R121 RES SM 0805 4K7 1M247 L101 FERRITE BEAD SINGLE 7F003 R122 RES SM 0805 75R 1M075 AXIAL TAPED 2K BOX R129 RES SM 0805 2K2 1M222 DAB TUNER MODULE 1.7 B012...
- Page 13 FIT ON L919AY AT Z2 B012 DAB TUNER MODULE 1.7 L918AY M1 C11166 C11256 FUSE 20mm L918AY F1 F2 160mA T 250Ma T E028AY DIVA DT81 REAR PANEL ASSY E806MI MAINS INSULATOR E810CH CHASSIS E815SP SUB PANEL E859PM STORE BUTTON E870PM POWER BUTTON...
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