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Table Of Contents; To Service Personnel - Yamaha MDX-E300 Service Manual

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MDX-E300
I
CONTENTS
TO SERVICE PERSONNEL . . . . . . . . . . . . . . . . . . 2-3
REAR PANELS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
INTERNAL VIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
DISASSEMBLY OF MD RECORDER UNIT
MDレコーダーユニットの分解 . . . . . . . . . . . . . . . . . . .
ADJUSTMENT & TEST MODE
調整及びテストモード . . . . . . . . . . . . . . . . . . . . . . . .
/エラー表示 . . . . . . . . . . . . . .
I

TO SERVICE PERSONNEL

1. Critical Components Information
Components having special characteristics are marked Z
and must be replaced with parts having specifications equal
to those originally installed.
2. Leakage Current Measurement (For 120V Models Only)
When service has been completed, it is imperative to verify
that all exposed conductive surfaces are properly insulated
from supply circuits.
G
Meter impedance should be equivalent to 1500 ohm shunted
by 0.15µF.
G
Leakage current must not exceed 0.5mA.
G
Be sure to test for leakage with the AC plug in both
polarities.
THE MINI DISC RECORDER SHOULD NOT BE ADJUSTED OR REPAIRED BY ANYONE EXCEPT PROPERLY QUALIFIED
SERVICE PERSONNEL.
WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or
plastic (where applicable) components may also contain traces of chemicals found by the California Health and
Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm.
DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR
ANY REASON WHATSOEVER!
Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes
or expose eyes to solder/flux vapor!
If you come in contact with solder or components located inside the enclosure of this product, wash your hands
before handling food.
2
7-8
/分解手順 . . . . . .
9-11
12-29
30-31
32-35
IC DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46-55
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 56-57
TEST POINT WAVEFORMS . . . . . . . . . . . . . . . . . . . 58
PRINTED CIRCUIT BOARD . . . . . . . . . . . . . . . . 59-62
MD VOLTAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
SCHEMATIC DIAGRAM . . . . . . . . . . . . . . . . . . . 63-64
DISPLAY DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66-77
GREASE APPLICATION DIAGRAM . . . . . . . . . . . . 78
REMOTE CONTROL TRANSMITTER . . . . . . . . . . . 79
WALL
EQUIPMENT
UNDER TEST
OUTLET
INSULATING
TABLE
36-45
AC LEAKAGE
TESTER OR
EQUIVALENT

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