XR-1100 - Sony Car Audio Service Manual (repair manual). Page 2

2

Location of Controls .......................................................

3

Setting the Clock .............................................................

3

Installation .......................................................................

4

Connections .....................................................................

6

2-1. Disassembly Flow ...........................................................

8

2-2. Front Panel Assy .............................................................

9

2-3. Mechanism Deck (MG-36SZ10-32) ...............................

9

2-4. MAIN board .................................................................... 10
2-5. Heat Sink ......................................................................... 10
2-6. Bracket (MD) .................................................................. 11
2-7. Motor (Capstan/Reel) (M901) ........................................ 11
2-8. Head (Play Back) (HP901) ............................................. 12
2-9. Main Belt, Sub Belt (C) .................................................. 13

....................... 14

Tape Deck Section .......................................................... 14
Tuner Section .................................................................. 15

5-1. Note for Printed Wiring Boards and

Schematic Diagrams ....................................................... 18

5-2. Printed Wiring Board  – MAIN Board – ........................ 19
5-3. Schematic Diagram  – MAIN Board (1/2) – .................. 20
5-4. Schematic Diagram  – MAIN Board (2/2) – .................. 21
5-5. Printed Wiring Board  – CONTROL Board – ................ 22
5-6. Schematic Diagram  – CONTROL Board – ................... 23
5-7. IC Pin Function Description ........................................... 25

6-1. General Section ............................................................... 27
6-2. Front Panel Section ......................................................... 28
6-3. Mechanism Deck Section (MG-36SZ10-32) ................. 29

............................... 30

• 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.

• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

Outputlead 

Power antenna relay
control lead

Tone controls

Bass 

±

8 dB at 100 

Treble 

±

8 dB at 10 kHz

Power requirements

12 V DC car battery

(negative ground)

Dimensions

Approx. 188 

× 

58 

×

177 mm

(7  /   

×

 2  /  

× 

7 in.)

1

2

3

8

(w/h/d) not incl.
projecting parts and
controls

Mounting dimension

Approx. 182 

× 

53 

×

 163 mm

(7  /  

× 

2  /   

× 

6  /  in.)

1

4

1

8

1

2

(w/h/d) not incl.
projecting parts and
controls

Mass

Approx. 1.2 kg (2 lb. 10 oz.)

Supplied accessories

Parts for installation and

connections (1 set)