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Model Name Using Similar Mechanism
XR-C7200/C7200W
Tape Transport Mechanism Type
MG-25D-136
SERVICE MANUAL
AEP Model
UK Model
XR-C8100R
E Model
XR-C8100
XR-C8100/C8100R
FM/AM CASSETTE CAR STEREO
XR-C8100
FM/MW/LW CASSETTE CAR STEREO
XR-C8100R
Photo : XR-C8100R
Cassette player section
Tape track
4-track 2-channel stereo
Wow and flutter
0.08 % (WRMS)
Frequency response
30 - 20,000 Hz (C8100)
10 - 20,000 Hz (C8100R)
Signal-to-noise ratio
Cassette type
Dolby B NR
Dolby NR off
TYPE II, III, IV
67 dB
61 dB
TYPE I
64 dB
58 dB
Tuner section
FM
Tuning range
C8100:
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)
C8100R:
87.5 - 108.0 MHz
Aerial terminal
External antenna connector
Intermediate frequency
10.7 MHz
Usable sensitivity
9 dBf
Selectivity
75 dB at 400 kHz
Signal-to-noise ratio
65 dB (stereo),
68 dB (mono)
Harmonic distortion at 1 kHz
0.7% (stereo),
0.4% (mono)
Separation
35 dB at 1 kHz
Frequency response
30 - 15,000 Hz
Capture ratio
2 dB
SPECIFICATIONS
AM (C8100)
Tuning range
AM tuning interval:
9 kHz / 10 kHz switchable
531 - 1,602 kHz
(at 9 kHz step)
530 - 1,710 kHz
(at 10 kHz step)
Aerial terminal
External antenna connector
Intermediate frequency
10.71 MHz / 450 kHz
Sensitivity
30 µV
MW/LW (C8100R)
Tuning range
MW: 531 - 1,602 kHz
LW: 153 - 281 kHz
Aerial terminal
External antenna connector
Intermediate frequency
10.71 MHz / 450 kHz
Sensitivity
MW: 30 µV
LW: 50 µV
Power amplifier section
Outputs
Speaker outputs
(sure seal connectors)
Speaker impedance
4 - 8 ohms
Maximum power output
45 W
× 4 (at 4 ohms)
­ Continued on next page ­
Ver 1.1 2001. 08
Sony Corporation
e Vehicle Company
Shinagawa Tec Service Manual Production Group
9-925-904-12
2001H0400-1
© 2001. 8


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TABLE OF CONTENTS
1. GENERAL
Location of Controls ............................................................... 3
Getting Started ........................................................................ 4
Setting the Clock .................................................................... 4
Cassette Player ....................................................................... 5
Radio ...................................................................................... 6
RDS ........................................................................................ 7
Other Functions .................................................................... 10
CD/MD Unit ......................................................................... 11
Connections .......................................................................... 16
2. DISASSEMBLY
2-1. Cover ................................................................................ 18
2-2. Front Panel Assy .............................................................. 18
2-3. Sub Panel Assy ................................................................. 19
2-4. Mechanism Deck .............................................................. 19
2-5. Main Board ...................................................................... 20
2-6. Heat Sink .......................................................................... 20
3. ASSEMBLY OF MECHANISM DECK
Housing ................................................................................ 21
Arm (Suction) ....................................................................... 21
Lever (LDG-A) / (LDG-B) ................................................... 22
Gear (Loading FT) ................................................................ 22
Guide (C) .............................................................................. 23
Mounting Position of Capstan/Reel Motor (M901) ............. 23
4. MECHANICAL ADJUSTMENTS ........................... 24
5. ELECTRICAL ADJUSTMENTS
Tape Section ......................................................................... 24
Tuner Section ........................................................................ 25
6. DIAGRAMS
6-1. Block Diagram ­Tape Section­ ....................................... 29
6-2. Block Diagram ­Tuner Section­ ...................................... 31
6-3. Block Diagram ­Main Section­ ....................................... 33
6-4. Printed Wiring Boards ­Main Section­ ........................... 36
6-5. Schematic Diagram ­Main Section­ ................................ 41
6-6. Printed Wiring Board ­Display Section­ ......................... 46
6-7. Schematic Diagram ­Display Section­ ............................ 48
6-8. IC Pin Description ............................................................ 51
7. EXPLODED VIEWS
7-1. Chassis Section ................................................................ 57
7-2. Front Panel Section .......................................................... 58
7-3. Mechanism Deck Section ................................................. 59
8. ELECTRICAL PARTS LIST ................................... 60
Notes on Chip Component Replacement
· Never reuse a disconnected chip component.
· Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Dolby noise reduction manufactured under license from Dolby Labo-
ratories Licensing Corporation.
"DOLBY" and the double-D symbol
a are trademarks of Dolby
Laboratories Licensing Corporation.
General
Outputs
Line outputs (3)
Power antenna relay control
lead
Power amplifier control
lead
Telephone ATT control
lead
Illumination control lead (C8100)
Tone controls
Bass
± 10 dB at 100 Hz
Treble
± 10 dB at 10 kHz
Power requirements
12 V DC car battery
(negative ground)
Dimensions
Approx. 178
× 50 × 180 mm
(w/h/d)
Mounting dimensions
Approx. 182
× 53 × 160 mm
(w/h/d)
Mass
Approx. 1.5 kg
Supplied accessories
Rotary commander RM-X4S (1)
Wireless remote
RM-X47 (1) (C8100)
Parts for installation and
connections (1 set)
Front panel case (1)
Design and specifications are subject to change without
notice.


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SECTION 1
GENERAL
This section extracted from
XR-C8100R's instruction manual.


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