Arcam AVR400 service manual

AVR400 Service Manual Issue 1

Contents

Main TGP3523 / TGP3524 COVER + FASCIA FASCIA ASSEMBLY BLACK / SILVER TORX SCREW M4 x 6 HA4V06S COVER BLACK / SILVER A3 TRANSFORMER - POWER FANS + TRANSFORMERS FAN MOUNTING BRACKET FAN 80 x 80 x 25mm AVR400 MAIN ASSEMBLY POWER PCBs + FEET SOLDERED TO POWER AMP PCB REAR PANEL ASSY AM/FM TUNER EU / US POWER PCBs + FEET CHASSIS ASSY REAR PANEL + PCBs TRANSFORMER - STANDBY TGP3540 AVR400 Power Amplier Circuit Description Page AVR400 Main Power Supplies Circuit Description AVR400 Front Panel Board Circuit Description Page AVR400 Input Board Circuit Description Analogue inputs, volume control and outputs SPDIF inputs, ADCs, DACs and Audio DSPs Page System Control Microprocessors AVR400 RS232 board AVR400 HDMI Input/Output Board Page Page AVR400 Analogue Video Board 15 B 8 10 13 12 11 10 9 8 7 6 5 4 3 2 1 2326SCMZ (FRONT) AVR400 J.I.H 12345 Page Page Page Page 6 15 HDMI INPUT INPUT-2 INPUT-3 INPUT-5 INPUT-4 INPUT-1 HDMI RX & Decoder ADV7844 Worst Measured Currents 5678 BLUE:10bit HDMI 24/30/36Bit TTL Output CUP12328Z 158 APPROVECHECKDESIGN DRAWING NO S.K SCALER 10.03.30 CUP12328Z L.J.H S.H.S 4321 1 3 S.K POWER&CONNECTOR DC/DC REGUALTOR TO INPUT DDRMEM_REG_ 2.5V ADC_REG_ 1.8/3.3V SC HE MA TIC D IAG RA M AVR400 2329SCMZ (AMP PART) MODEL SC HE MA TIC D IAG RA M AVR400 CUP12329-1 2329SCMZ MODEL VIDEO PART Z2 OUT AV 1,4,7 : UPPER 3,6,9 : LOWER S.H.SL.J.H POWER PART RS232 PART R839=(Vout-Vfb)/Iadj, (5V-0.5V)/0.1mA = 45Kohm R844+R847 =-Vfb/Iadj,0.5V)/0.1mA = 5Kohm DGND N.C N.C POWER_ON ST+9V STBY_GND SCREW MARK 2330SCDZ L.J.H S.H.S