Sony XR-4803 service manual IC611 BA3918-V2

Page 24

IC611

BA3918-V2

REGULATOR

OVER VOLTAGE

PROTECT

–

–

–

–

+

+

+

+

1

2

3

4

5

6

7

8

9

10

11

12

NC

MODE2

MODE1

STB

VDD

AMP

VCC

ANT

COM

AM

FM

GND

– 32 –

Image 24

Contents Specifications XR-4803Table of Contents DiagramsFlexible Circuit Board Repairing Section General Page Page Page Page Page Section Disassembly Front Panel ASS’YCover ASS’Y SUB PANEL, Mechanism Deck MG-25F-136 Main BOARD, Heat SinkSection Assembly of Mechanism Deck HousingLever LDG-A / LDG-B Gear LDG-FTGuide C Section Mechanical Adjustments Section Electrical AdjustmentsTape Deck dB=0.775 FM Auto Scan/Stop Level Adjustment Tuner dB=1 µVSource and Mode button MW AM MW Auto Scan/Stop Level AdjustmentSection Diagrams IC PIN Function DescriptionPin No Pin Name Function REL Uniso Page Page Page IC Block Diagrams Main Board IC301 CXA2509AQ-T4 IC331 LC75373EDIC351 IC611 BA3918-V2 Section Exploded Views Chassis Section1211 Front Panel Section 102108 107 105 111 121 114 112 104 103 113 101 117 116 106 115 118Mechanism Deck Section MG-25F-136 159 158 155 154 157 156 153 152 168 151 160 163 161162 164 165 168 166 167Section Electrical Parts List KEYKEY Main Double Layer Inductor Tuner TU1 502 501 503504 505 Screw +BXR-4803