Sony XR-3758, Руководство по обслуживанию

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MICROFILM
XR-3758/3759
FM/MW/LW CASSETTE CAR STEREO
SERVICE MANUAL
UK Model
Model Name Using Similar Mechanism XR-3750/C350
Tape Transport Mechanism Type MG-52A-135
•
XR-3758/3759 are almost same as XR-3750 UK model.
Printed wiring boards, schematic diagram, exploded views
and electrical parts list are described in this service manual.
Please refer to XR-3750/C350 service manual previously
issued for the other informations.
TABLE OF CONTENTS
1. EXPLODED VIEWS
................................................ 2
2. DIAGRAMS
2-1. Printed Wiring Boards –MAIN Section– ........................ 6
2-2. Schematic Diagram –MAIN Section– ............................ 9
2-3. Printed Wiring Board –KEY Section– ........................... 14
2-4. Schematic Diagram –KEY Section– .............................. 16
3. ELECTRICAL PARTS LIST
................................ 19
Photo: XR-3759
SERVICING NOTES
Flexible Circuit Board Repairing
•
Keep the temperature of the soldering iron around 270 ˚ C dur-
ing repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering
or unsoldering
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.
MC-Service