Sony xr 7180 service manual

Page 2

XR-7080/7082/7180

Mountlng demensions

Weight

Approx. 182 x 53 x145 mm (w/h/dl
(7/.. x 2/S x 53/. inches)
not incl. projecting parts and controls

Approx. 1.9 kg (4 lb 3 oz)

Accessory supplied Mounting hardware (1 set)

TABLE OF CONTENTS

Section Title Page
Specifications ....................... 1
Note on Repairing .................... 2
1. GENERAL
Location and Function of Controls ..... 3
Installation ..................... 5
Connections .................... 6
Tape Playback ................... 8
Automatic Tuning ................ 8
Manual Tuning ................... 9
Memory Preset Tuning .............. 9
Maintenance .................... 9
2. DISASSEMBLY .................. 10

[NOTE ON REPAIRING]
0 Note on Repairing AMP Board

When repairing AMP Board removed from the
chassis as shown in Fig. 1, check or repair it con-
nected with lead wires and such like.

When Checking AMP Board separately, connect
with a lead wire between ground patterns as shown
in Fig. 2.

a After repairing, remove the lead wire.

Section Title Page
3. ADJUSTMENTS
3-1. Mechanical Adjustment ............. 12
3-2. Electrical Adjustments .............. 12
4. DIAGRAMS
4-11 IC301 (uPD75108G-E61) Description . . . 17
IC Block Diagrams ................ 22
4-2. Tuner Section Schematic Diagram ...... 23
4-3. Printed Wiring Boards .............. 26
4-41 Main Section Schematic Diagram ....... 31
5. EXPLODED VIEWS ............... 37
6. ELECTRICAL PARTS LIST ......... 42

AMP board

Ground lead wire

Fig. 7

lead wire (between ground patterns)

Fig. 2

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