Sony TADX-8 Service manual
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TA-DX8
SERVICE MANUAL
TA-DX8 is the amplifier section in
MHC-DX8, MHC-VX88.
SPECIFICATIONS
E Model
Australian Model
INTEGRATED STEREO AMPLIFIER
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TABLE OF CONTENTS
MODEL IDENTIFICATION
1. GENERAL ................................................................... 3
2. DISASSEMBLY ......................................................... 4
3. DIAGRAMS
3-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 5
3-2. Printed Wiring Board – MAIN Board – ........................ 6
3-3. Schematic Diagram – MAIN Board – ........................... 7
3-4. Printed Wiring Boards
– PANEL/PRIMARY/SECONDARY Boards –............. 8
3-5. Schematic Diagram
– PANEL/PRIMARY/SECONDARY Boards –............. 9
4. EXPLODED VIEW ................................................... 10
5. ELECTRICAL PARTS LIST ............................... 10
– REAR VIEW –
MODEL NO.
INTEGRATED STEREO AMPLIFIER
Mexican model : AC: 120V - 60Hz
Australian model: AC: 230 – 240V - 50/60Hz
Other models : AC: 120/220/230 – 240V - 50/60Hz
T A-DX8
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.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED
LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
2
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• LOCATION OF CONTROLS
– Front and Top view –
SECTION 1
GENERAL
12 3
1 SATELLITE MODE switch
2 ON/OFF switch
3 SATELLITE LEVEL control
4 Indicator
4
– Rear view –
1 SYSTEM CONTROL connector
2 SPEAKER terminal
3 VOLTAGE SELECTOR switch
(EXCEPT Mexican and Australian models)
1
2
3
3
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SECTION 2
)
)
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
COVER
1 two screws
(case3 TP2)
2 two screws
(BVTP3 × 10
2 four screws
(BVTP3 × 10)
3 cover
FRONT PANEL SECTION
4 front panel section
1 two screws
(case3 TP2)
1 wire (flat type) (15 core
(CN111)
4
3 claw
2 three screws
(BVTP3 × 8)
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