Akai DV-R4025VSS Service Manual Download Page 7

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Summary of Contents for DV-R4025VSS

Page 1: ...SERVICE MANUAL Model DV R4025VSS DVD HOME THEATER SYSTEM www akai ru...

Page 2: ...oard 4 2 Front Panel 4 3 SMPS 4 4 DVD Driver 5 DESCRIPTION OF THE INTEGRATED CIRCUITS 5 1 SWPS TRANSFORMER 5 2 FRONT PANEL DRIVER IC FRO VIR PT6311 5 3 SWPS CONTROLLER IC 5M02659 5 4 SWPS PROGAMMABLE...

Page 3: ...2 BLOCK DIAGRAM CABLE CONNECTIONS DVD Service Manual 1 2...

Page 4: ...1 DVD Service Manual 3...

Page 5: ...FLADH 64M SDRAM SEIAL EPROM AM FM TUNER AUD2 AUD1 CVBS R G B DAC WMA8722 AUD0 4053 SURROUND L R FRONT L R L R KARAOKE DOUT CENTRE SUBWOOF 4 FUNCTIONAL DESCRIPTIONS 4 1DVD MPEG board 1 DVD Service Manu...

Page 6: ...16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 F F T T C D CD DVD RF A B F GND PD VC VCC E NC VR CD VR DVD LD CD MD HFM NC LD DVD GND LD C143 1u CB107 0 1u C140 47u L36 10uH C145 1u R166 20K L33 FB 0805 NOT...

Page 7: ...39 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 2...

Page 8: ...U13C 74HC04 5 6 CB76 0 1uF CE43 47uF C49 220pF D 5 1V JP Audio Out JST9 Pin 2 0mm Pitch 1 2 3 4 5 6 7 8 9 CB76 0 1uF C46 2000pF R191 1K R104 33 R9 15k R31 5 1k CB9 0 1uF Q30 2N3904 L30 FB L30 FB CE5 1...

Page 9: ...2 3 4 5 6 7 8 9 D19 1N4148 D18 1N4148 CE2 47uF D17 1N4148 D13 1N4148 D15 1N4148 C126 0 1uF C48 47pF C47 47pF R73 150 1 R97 2 2K R89 1K L35 1 8uH CE1 100uF D20 1N4148 C128 100p R50 10K D19 1N4148 D12...

Page 10: ...1 DVD Service Manual 9...

Page 11: ...and generates an output at 300VDC This 300VDC fed to 3TR1 pin1 pin5 which connects to 5M02659R pin3 then 5M02659R will automatically generate a 50KHz square waveform this 50KHz square waveform control...

Page 12: ...1 DVD Service Manual 11...

Page 13: ...1 DVD Service Manual 12...

Page 14: ...of 4 Kvms for 1 minute and 1 mA between primary and seconday winding and also 2 Kvms for 1 minute and 1 mA between primary winding with core and secondary winding with core 2 3 INSULATION RESISTANCE T...

Page 15: ...1 DVD Service Manual 5 2 FRONT PANEL DRIVER IC FOR VIR PT6311 5 2 1 General Description 14...

Page 16: ...1 DVD Service Manual 15...

Page 17: ...DVD Service Manual 1 16...

Page 18: ...1 DVD Service Manual 17...

Page 19: ...1 DVD Service Manual 5 3 SWPS CONTROLLER IC 5M02659 18...

Page 20: ...1 DVD Service Manual 19...

Page 21: ...1 DVD Service Manual 20...

Page 22: ...1 DVD Service Manual 21...

Page 23: ...DVD Service Manual 22...

Page 24: ...1 DVD Service Manual 23...

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