Sony EXR-C205 / XR-C340 Service Manual ▷ View online
MICROFILM
EXR-C205/XR-C340
US Model
Canadian Model
EXR-C205
E Model
XR-C340
SERVICE MANUAL
FM/AM CASSETTE CAR STEREO
Model Name Using Similar Mechanism
NEW
Tape Transport Mechanism Type
MG-25A-136
Refer to RM-X2S/X3S SERVICE MANUAL (9-960-039-
∏
)
issued previously for information of remote commander
(RM-X2S) supplied with XR-C340.
(RM-X2S) supplied with XR-C340.
Photo : XR-C340
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
58 dB
Tuner section
FM
Tuning range
EXR-C205:
87.5-107.9 MHz
XR-C340:
FM tuning interval:
50 kHz/200 kHz
switchable
87.5-108.0 MHz
(at 50 kHz step)
87.5-107.9 MHz
(at 200 kHz step)
87.5-107.9 MHz
XR-C340:
FM tuning interval:
50 kHz/200 kHz
switchable
87.5-108.0 MHz
(at 50 kHz step)
87.5-107.9 MHz
(at 200 kHz step)
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),
68 dB (mono)
68 dB (mono)
Harmonic distortion at1 kHz
0.5% (stereo),
0.3% (mono)
0.3% (mono)
Separation
35 dB at 1 kHz
Frequency response
30-15,000 Hz
Capture ratio
2 dB
AM
Tuning range
EXR-C205
530-1,710 kHz
XR-C340
AM tuning interval:
9 kHz/10 kHz switchable
531-1,602 kHz
(at 9 kHz step)
530-1,710 kHz
(at 10 kHz step)
530-1,710 kHz
XR-C340
AM tuning interval:
9 kHz/10 kHz switchable
531-1,602 kHz
(at 9 kHz step)
530-1,710 kHz
(at 10 kHz step)
Antenna terminal
External antenna connector
Intermediate frequency
10.71 MHz/450 kHz
Sensitivity
30
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
Power antenna control
lead/Power amplifier
control lead/Telephone
mute control lead (XR-C340 only)
Rear line out (1)
lead/Power amplifier
control lead/Telephone
mute control lead (XR-C340 only)
Rear line out (1)
Tone controls
Bass ±8 dB at 100 Hz
Treble ±8 dB at 10 kHz
Treble ±8 dB at 10 kHz
Power requirements
12V DC car battery
(negative ground)
(negative ground)
Dimensions
Approx. 188
×
58
×
184 mm
(w/h/d)
Mounting dimensions
Approx. 182
×
53
×
164 mm
(w/h/d)
Mass
Approx. 1.3 kg
Supplied accessories
Parts for installation and
connections (1set)
Front panel case (1)
Rotary remote RM-X2S
(XR-C340 only)
connections (1set)
Front panel case (1)
Rotary remote RM-X2S
(XR-C340 only)
Design and specifications are subject to change without
notice.
notice.
– 2 –
TABLE OF CONTENTS
1.
GENERAL
................................................................... 3
Location of Controls ........................................................ 3
Resetting the Unit ............................................................ 3
Detaching the Front Panel ............................................... 3
Preparing the Rotary Remote .......................................... 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
Resetting the Unit ............................................................ 3
Detaching the Front Panel ............................................... 3
Preparing the Rotary Remote .......................................... 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
......................
15
6.
DIAGRAMS
6-1. IC Pin Function Description ............................................ 16
6-2. Printed Wiring Board –MAIN Section– ......................... 20
6-3. Schematic Diagram –MAIN Section– ............................ 23
6-4. Printed Wiring Board –KEY Section– ........................... 27
6-5. Schematic Diagram –KEY Section– .............................. 29
6-2. Printed Wiring Board –MAIN Section– ......................... 20
6-3. Schematic Diagram –MAIN Section– ............................ 23
6-4. Printed Wiring Board –KEY Section– ........................... 27
6-5. Schematic Diagram –KEY Section– .............................. 29
7.
EXPLODED VIEWS
..........................................
31
8.
ELECTRICAL PARTS LIST
................................ 34
SERVICING NOTES
Flexible Circuit Board Repairing
•
Keep the temperature of the soldering iron around 270 ˚ C dur-
ing repairing.
ing 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
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.
aged by heat.
– 3 –
SECTION 1
GENERAL
This section is e
xtr
acted
acted
from instr
uction man
ual.
– 4 –