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SERVICE MANUAL
DA
TA
MD / CD
STEREO SYSTEM
BASIC TAPE MECHANISM : 2ZM-1 YR9NF
BASIC CD MECHANISM : 3ZG-3 YE3NC
BASIC MD MECHANISM : AZG-4A
XR-MD510
XR-MD511
D,K
EZ
S/M Code No. 09-004-422-8R1
REVISION
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· This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
XR-MD510 / 511 (K / EZ), (S/M Code No. 09-002-422-8T2).
· If requiring information about the MD mechanism, see Service Manual of
AZG-4A, (S/M Code No. 09-001-341-2N2).
· This Service Manual does not include "DISASSEMBLY INSTRUCTION" and
"TEST MODE". These items will be issued in the next Supplement.
MODEL CODE : 8ACJ4-0130 (S)
8ACJ4-0133 (SM)
XR­MD510/511
SYSTEM
SPEAKER
SX-M510


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­ 2 ­
TABLE OF CONTENTS
SPECIFICATIONS <D> ........................................................................................................................................................ 3
SPECIFICATIONS <K,EZ> ................................................................................................................................................... 4
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PROTECTION OF EYES FROM LASER BEAM DURING SERVICING ....................................................................... 6
PRECAUTION TO REPLACE OPTICAL BLOCK/
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ELECTRICAL MAIN PARTS LIST ............................................................................................................................. 7 ~ 12
TRANSISTOR ILLUSTRATION ......................................................................................................................................... 13
WIRING ­ 1 (MAIN) ........................................................................................................................................................... 14
SCHEMATIC DIAGRAM ­ 1 (MAIN / PT1 / PT2 / RELAY) ............................................................................................... 15
WIRING ­ 2 (FRONT / SW-1 / SW-2) ................................................................................................................................ 16
SCHEMATIC DIAGRAM ­ 2 (FRONT / SW-1 / SW-2 / FACE-A / FACE-B / FACE-C / DECK) ........................................ 17
WIRING ­ 3 (FACE-A / FACE-B / FACE-C) ....................................................................................................................... 18
WIRING ­ 4 (CD / CD LOAD / CD DRIVE) ........................................................................................................................ 19
SCHEMATIC DIAGRAM ­ 3 (CD / CD LOAD / CD DRIVE) ............................................................................................. 20
WIRING ­ 5 (D : TUNER) .................................................................................................................................................. 21
SCHEMATIC DIAGRAM ­ 4 (D : TUNER) ........................................................................................................................ 22
WIRING ­ 6 (K : TUNER) ................................................................................................................................................... 23
SCHEMATIC DIAGRAM ­ 5 (K : TUNER) ........................................................................................................................ 24
WIRING ­ 7 (EZ : TUNER) ................................................................................................................................................ 25
SCHEMATIC DIAGRAM ­ 6 (EZ : TUNER) ...................................................................................................................... 26
WIRING ­ 8 (DECK / RELAY) ............................................................................................................................................ 27
WIRING ­ 9 (PT1 / PT2) .................................................................................................................................................... 28
IC BLOCK DIAGRAM ................................................................................................................................................ 29 ~ 34
ADJUSTMENT (TUNER / DECK / FRONT / CD) ....................................................................................................... 35 ~ 40
IC DESCRIPTION ...................................................................................................................................................... 41 ~ 54
FL (13-ST-44GNK ACJ-4) GRID ASSIGNMENT / ANODE CONNECTION ............................................................. 55, 56
MECHANICAL EXPLODED VIEW 1 / 1 ........................................................................................................................... 57
MECHANICAL PARTS LIST 1 / 1 .................................................................................................................................... 58
TAPE MECHANISM EXPLODED VIEW 1 / 1 ................................................................................................................. 59
TAPE MECHANISM PARTS LIST 1 / 1 .......................................................................................................................... 60
CD MECHANISM EXPLODED VIEW 1 / 2 ..................................................................................................................... 61
CD MECHANISM PARTS LIST 1 / 2 .............................................................................................................................. 62
CD MECHANISM EXPLODED VIEW 2 / 2 ..................................................................................................................... 63
CD MECHANISM PARTS LIST 2 / 2 .............................................................................................................................. 63
SPEAKER DISASSEMBLY INSTRUCTIONS ............................................................................................................. 64, 65
SPEAKER PARTS LIST <SX-M510> .............................................................................................................................. 66
ACCESSORIES / PACKAGE LIST .................................................................................................................................... 66


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SPECFICATIONS <D>


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­ 4 ­
Main unit
<FM tuner section>
Tuning range
87.5 MHz to 108 MHz
Usable sensitivity (IHF)
16.8 dBf
Antenna terminals
75 ohms (unbalanced)
<MW tuner section>
Tuning range
530 kHz to 1710 kHz (10 kHz step)
531 kHz to 1602 kHz (9 kHz step)
Usable sensitivity
350
µV/m
Antenna
Loop antenna
<LW tuner section>
Tuning range
144 kHz to 290 kHz
Usable sensitivity
1400
µV/m
Antenna
Loop antenna
<Amplifier section>
Power output
Rated: 25 W + 25 W (6 ohms,
T.H.D. 1 %, 1 kHz / DIN 45500)
Reference: 30 W + 30 W (6 ohms,
T.H.D. 10 %, 1 kHz / DIN 45324)
EZ: DIN MUSIC POWER
42 W + 42 W
Inputs
AUX / VIDEO IN: 310 mV
DIGITAL IN (OPTICAL)
Sampling frequency: 48 kHz / 32 kHz
Optical input level: more than -21 dBm
Outputs
SUPER WOOFER: 1.2 V
SPEAKERS: accept speakers of 6
ohms or more
PHONES (stereo mini jack): accepts
headphones of 32 ohms or more
<Cassette deck section>
Track format
4 tracks, 2 channels stereo
Frequency response
CrO2 tape : 50 Hz ­ 16000 Hz
Normal tape : 50 Hz ­ 15000 Hz
Signal-to-noise ratio
45 dB (Dolby B NR ON, CrO2 tape
peak level)
Recording system
AC bias
Heads
Recording / Playback head x 1,
erase head x 1
<Compact disc player section>
Laser
Semiconductor laser (
= 780 nm)
D-A converter
1 bit dual
Signal-to-noise ratio
85 dB (1 kHz, 0 dB)
Harmonic distortion
0.05 % (1 kHz, 0 dB)
Wow and flutter
Unmeasurable
SPECIFICATIONS <K,EZ>
<MD recorder section>
Scanning method
Non-contact optical scanner
(Semiconductor laser application)
Recording system
Magnetic polarity modulation
overwrite system
Rotation speed
Approx. 400 to 900 rpm (CLV)
Sampling frequency
44.1kHz
No. of channels
Stereo: 2 channels
Monaural: 1 channel
A-D, D-A converter
1-bit
Frequency
20 to 20000 Hz +0.5 to -1.5 dB
Wow and flutter
Unmeasurable
<General>
Power requirements
230 V AC, 50 Hz
Power consumption
90 W
Standby power consumption 1.0 W (power-economizing
mode set to ON or AUTO)
Dimensions of main unit
175 x 257 x 333 mm
(W x H x D)
Weight of main unit
6.5 kg
<Speaker system>
Cabinet type
2 way, bass reflex (magnetic
shielded type)
Speakers
Woofer : 130 mm
Tweeter: 22 mm cone type
Impedance
6 ohms
Output sound pressure level 86 dB/W/m
Dimensions
155 x 254 x 210 mm
(W x H x D)
Weight
2.6 kg
· Design and specifications are subject to change without notice.
· The word "BBE"and the "BBE symbol" are trademarks of BBE
Sound, Inc.
Under license from BBE Sound,Inc.
· Dolby noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.
"DOLBY" and the double-D symbol
are trademarks of Dolby
Laboratories Licensing Corporation.


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­ 5 ­