Kenwood VR-4090-B Service Manual

Also see for VR-4700: User guide How to operate Connection guide Connection and setup guide

Contents

Kenwood VR-4090-B Service Manual Manual pdf 5 page image

x2x5x57441 11326x555HOOKX11(A/4) CN301CN7CN8X13X07,CN1MOTOR AC CONNECTORH/PPCBX25(G/8)VR-4080-B/4090-B/4700/49005DISASSEMBLY FOR REPAIR1 x70X07(C/7)CN2X25(C/9) X05-5130-11X07X13(C/5)CN12CN21457 783 32222229667x9x22x2x2X07-3150-10(A/5)X25(B/9)X11(C/4)10 x3101011101010CN14CN61. Take out the connectors (1) {X07,CN1/X13(CN7,CN8)} andthe AC connetor(2).2. Take the lead (3) out of CN301 on X11(A/4) PCB.3. Take out the screws (4) and (5).4. The front panel can be separated by removing 2 hooks (6)on the sub panel.5. To separate the motor from the front panel, remove thescrews (7).1. The rear panel can be separated by removing screws (1)on the rear panel.2. Take the AC connector out of CN2 on the X07(C/7).3. To separate the chassis from bottom chassis, remove thescrews (2).4. Remove CN21 and screws (3) on X13(C/5).5. Remove screws (4 to 7).6. The fan motor can be separated by removing screws (8)and the connector (CN12) on X07 PCB.7. Take the PCB X25(B/9), X11(C/4)} out of X07.8. To separate the main PCB (X07) from the bottom chassis,remove screws (0).9. Set up the PCB as figure (-).10. Replace the defective transistors.HOW TO REPLACE THE POWER TRANSISTOR.HOW TO REMOVE THE FRONT PANEL AND THE MOTOR.