Read Sony XM-1505SX / XM-1805GX Service Manual online
2
Notes on Chip Component Replacement
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
aged by heat.
TABLE OF CONTENTS
1. SERVICE NOTE
................................................................. 2
2. GENERAL
Location and Function of Controls .......................................... 3
Connections ............................................................................. 4
Connections ............................................................................. 4
3. DISASSEMBLY
3-1. Plate, Bottom ....................................................................... 6
3-2. Amp Board Section ............................................................. 6
3-3. Amp Board, HPF Board, LPF Board ................................... 7
3-4. LED Board ........................................................................... 7
3-2. Amp Board Section ............................................................. 6
3-3. Amp Board, HPF Board, LPF Board ................................... 7
3-4. LED Board ........................................................................... 7
4. ELECTRICAL ADJUSTMENT
...................................... 8
5. DIAGRAMS
5-1. Block Diagram ..................................................................... 9
5-2. Printed Wiring Board –Amp Section– ............................... 11
5-3. Schematic Diagram –Amp Section (1/2)– ......................... 12
5-4. Schematic Diagram –Amp Section (2/2)– ......................... 13
5-5. Printed Wiring Boards –HPF, LPF, LED Section– ............ 14
5-6. Schematic Diagram –HPF, LPF, LED Section– ................ 15
5-2. Printed Wiring Board –Amp Section– ............................... 11
5-3. Schematic Diagram –Amp Section (1/2)– ......................... 12
5-4. Schematic Diagram –Amp Section (2/2)– ......................... 13
5-5. Printed Wiring Boards –HPF, LPF, LED Section– ............ 14
5-6. Schematic Diagram –HPF, LPF, LED Section– ................ 15
6. EXPLODED VIEWS
6-1. Heat Sink (Main) Section .................................................. 16
6-2. Amp Board Section ........................................................... 16
6-2. Amp Board Section ........................................................... 16
7. ELECTRICAL PARTS LIST
......................................... 17
SECTION 1
SERVICE NOTE
NOTE FOR REPLACEMENT OF Q510 AND Q512
When replacing Q510 and Q512, remove C937 and then remove
the screw securing the heat sink (retainer plate).
the screw securing the heat sink (retainer plate).
C937
Q512
Q510
heat sink (retainer plate)
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