Sony
XR-4803
service manual
Specifications
Parts list
Section Diagrams
Section Disassembly
Section Mechanical Adjustments
Housing
Source and Mode button MW
Page 5
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Page 4
Page 6
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Page 6
Contents
XR-4803
Specifications
Flexible Circuit Board Repairing
Table of Contents
Diagrams
Section General
Page
Page
Page
Page
Page
Cover ASS’Y
Section Disassembly
Front Panel ASS’Y
Main BOARD, Heat Sink
SUB PANEL, Mechanism Deck MG-25F-136
Housing
Section Assembly of Mechanism Deck
Gear LDG-FT
Lever LDG-A / LDG-B
Guide C
Tape Deck dB=0.775
Section Mechanical Adjustments
Section Electrical Adjustments
Tuner dB=1 µV
FM Auto Scan/Stop Level Adjustment
AM MW Auto Scan/Stop Level Adjustment
Source and Mode button MW
Pin No Pin Name Function
Section Diagrams
IC PIN Function Description
REL
Uniso
Page
Page
Page
IC351
IC Block Diagrams Main Board IC301 CXA2509AQ-T4
IC331 LC75373ED
IC611 BA3918-V2
1211
Section Exploded Views
Chassis Section
102
Front Panel Section
108 107 105 111 121 114 112 104 103 113 101 117 116 106 115
118
159 158 155 154 157 156 153 152 168 151 160 163 161
Mechanism Deck Section MG-25F-136
162
164 165 168 166 167
KEY
Section Electrical Parts List
KEY Main
Double Layer
Inductor
Tuner TU1
Screw +B
502 501 503504 505
XR-4803
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