Akai DV-R4025VSS free download

File name DV-R4025VSS.pdf

DVD HOME THEATER SYSTEM Model: DVR4025VSS SERVICE MANUAL www.akai.ru 1.CONTENTS Title Page 1. CONTENTS 1 2. BLOCK DIAGRAM (CABLE CONNECTIONS) 2 3. POWER SUPPLY 3 4. FUNCTIONAL DESCRITPIONS 4 4.1 DVD MPEG board 4 4.2 Front Panel 10 4.3 SMPS 10 4.4 DVD Driver 12 5. DESCRIPTION OF THE INTEGRATED CIRCUITS 13 5.1 SWPS TRANSFORMER 13 5.2 FRONT PANEL DRIVER IC FRO VIR (PT6311) 14 5.3 SWPS CONTROLLER IC (5M02659) 18 5.4 SWPS PROGAMMABLE SHUNT RE GULATOR (FAIRCHILD TL 431) 22 5.5 LINE FILTER(2 x 6.8mH) 23 1 1 DVD Service Manual 2 BLOCK DIAGRAM(CABLE CONNECTIONS) 1 2 DVD Service Manual 31 DVD Service Manual 4.FUNCTIONAL DESCRIPTIONS 4.1DVD MPEG board SEIAL AM/FM EPROM TUNER L/R AUD0 4053 KARAOKE 16M DOUT CENTRE/SUBWOOF FLADH DAC MT1379DE AUD2 SURROUND L/R WMA8722 64M AUD1 FRONT L/R SDRAM CVBS R G B MT1336E 41 A B C D E CN1 L1Ferrite Bead DV33 +PS5V +5 V RVCCIN DV33 Power Supply 1206 L4Ferrite Bead R141 L32 1206