Sony XR-4740RDS / XR-C430RDS / XR-C440RDS Service Manual ▷ View online
FM/MW/LW CASSETTE CAR STEREO
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
MG-25B-136
– Continued on next page –
XR-4740RDS/C430RDS/C440RDS
AEP Model
UK Model
SERVICE MANUAL
SPECIFICATIONS
Cassette player section
Tape track
4-track 2-channel stereo
Wow and flutter
0.08% (WRMS)
Frequency response
30 – 18,000 Hz
Signal-to-noise ratio
Tuner section
FM
Tuning range
87.5 – 108.0 MHz
Antenna terminal
External antenna connector
Intermediate frequency
10.7 MHz
Usable sensitivity
8 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
65 dB (stereo),
70 dB (mono)
70 dB (mono)
Harmonic distortion at 1 kHz
0.5% (stereo),
0.3% (mono)
0.3% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 – 15,000 Hz
Capture ratio
4 dB
MW/LW
Tuning range
MW: 531 – 1,602 kHz
LW: 153 – 281 kHz
LW: 153 – 281 kHz
Antenna terminal
External antenna connector
Intermediate frequency
10.71 MHz/450 kHz
Sensitivity
MW: 30
µ
V
LM: 50
µ
V
Power amplifier section
Outputs
Speaker outputs
(sure seal connectors)
(sure seal connectors)
Speaker impedance
4 – 8 ohms
Maximum power output
35 W
×
4 (at 4 ohms)
General
Outputs
(XR-C430RDS/C440RDS):
(XR-C430RDS/C440RDS):
Power amplifier control lead
Rear line out (1)
Rear line out (1)
Tone controls
Bass
±
8 dB at 100 Hz
Treble
±
8 dB at 10 kHz
Power requirements
12 V DC car battery (negative ground)
Dimensions
Approx. 188
×
58
×
181 mm (w/h/d)
Mounting dimensions
Approx. 182
×
53
×
164 mm (w/h/d)
Mass
Approx. 1.2 kg
Supplied accessories
Parts for installation and connections (1 set)
Front panel case (1)
XR-C440RDS: Rotary commander RM-X2S
Front panel case (1)
XR-C440RDS: Rotary commander RM-X2S
Design and specifications are subject to change without notice.
Photo: XR-C430RDS
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-
∏
) previously issued.
(XR-C440RDS ONLY)
9-925-541-12
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 ...............................................................
3
Using the rotary remote .....................................................
3
Adjusting the sound characteristics ...................................
4
Muting the sound ...............................................................
4
Changing the sound and beep tone ....................................
4
Installation .........................................................................
5
Connections .......................................................................
6
2.
DISASSEMBLY
............................................................
9
3.
ASSEMBLY OF MECHANISM DECK
............. 11
4.
MECHANICAL ADJUSTMENTS
......................... 14
5.
ELECTRICAL ADJUSTMENTS
Tape Deck Section ............................................................. 14
Tuner Section ..................................................................... 15
Tuner Section ..................................................................... 15
6.
DIAGRAMS
6-1. Printed Wiring Boards – Main Section – ........................... 23
6-2. Schematic Diagram – Main Section – ............................... 25
6-3. Printed Wiring Board – Key Section – .............................. 30
6-4. Schematic Diagram – Key Section – ................................. 32
6-5. IC Pin Description ............................................................. 35
6-2. Schematic Diagram – Main Section – ............................... 25
6-3. Printed Wiring Board – Key Section – .............................. 30
6-4. Schematic Diagram – Key Section – ................................. 32
6-5. IC Pin Description ............................................................. 35
7.
EXPLODED VIEWS
................................................... 37
8.
ELECTRICAL PARTS LIST
.................................... 40
SERVICING NOTES
Flexible Circuit Board Repairing
•
Keep the temperature 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 extracted
from instruction manual.
– 4 –