Read Sony XR-4750RDS / XR-C450RDS Service Manual online
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
MG-25B-136
AEP Model
UK Model
SERVICE MANUAL
XR-4750RDS/C450RDS
SPECIFICATIONS
For RM-X2S (Remote Commander),
please refer to RM-X2S/X3S Service
Manual (9-960-039-
please refer to RM-X2S/X3S Service
Manual (9-960-039-
S
) previously issued.
FM/MW/LW CASSETTE CAR STEREO
Photo: XR-C450RDS
9-925-542-12
Sony Corporation
2001F0500-1
e Vehicle Company
C
2001.6
Shinagawa Tec Service Manual Production Group
Ver 1.1 2001.06
– 2 –
TABLE OF CONTENTS
1.
GENERAL
Location of Controls ..........................................................
3
Setting the Clock ...............................................................
4
Using the Rotary Remote ..................................................
4
Adjusting the Sound Characteristics .................................
5
Muting the Sound ..............................................................
5
Changing the Sound and Beep Tone ..................................
5
Installation .........................................................................
6
Connections .......................................................................
7
2.
DISASSEMBLY
............................................................ 10
3.
ASSEMBLY OF MECHANISM DECK
............. 12
4.
MECHANICAL ADJUSTMENTS
......................... 15
5.
ELECTRICAL ADJUSTMENTS
Test Mode .......................................................................... 15
Tape Deck Section ............................................................. 15
Tuner Section ..................................................................... 16
Tape Deck Section ............................................................. 15
Tuner Section ..................................................................... 16
6.
DIAGRAMS
6-1. Printed Wiring Boards – Main Section – .......................... 22
6-2. Schematic Diagram – Main Section – ............................... 25
6-3. Printed Wiring Board – Display Section – ....................... 30
6-4. Schematic Diagram – Display Section – .......................... 32
6-5. IC Pin Function Description .............................................. 35
6-2. Schematic Diagram – Main Section – ............................... 25
6-3. Printed Wiring Board – Display Section – ....................... 30
6-4. Schematic Diagram – Display Section – .......................... 32
6-5. IC Pin Function Description .............................................. 35
7.
EXPLODED VIEWS
.................................................. 37
8.
ELECTRICAL PARTS LIST
.................................. 40
SERVICING NOTES
Flexible Circuit Board Repairing
•
Keep the temperature of the soldering iron around 270 ˚ C during
repairing.
repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
circuit board (within 3 times).
•
Be careful not to apply force on the conductor when soldering or
unsoldering .
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.
aged by heat.
– 3 –
SECTION 1
GENERAL
This section is e
xtr
acted
acted
from instr
uction man
ual.
– 4 –