Akai vx 600 service manual

Page 2

*SAFETY INSTRUCTIONS

PRECAUTIONS DURING SERVICING

1. Parts identified by the At (*) symbol parts are critical tor

safety. Replace only with pans number specified

2. In addition to safely,uther parts and assemblies are spe-
c ed torcontormancewith such regulationsastltoseap.
plying to spurious radiation,

These must also be replaced only with speciticd replace.
meats

Exnmples: RF converters. tuner units, antenna selector
switches, RF cables, noise blocking capacitors, noisc
blocking ritters, etc.

Usc spccriicd internal wiring. Note especially:

1) Wires covered with PVC tubing

2) Double insulated wires

3) High voltage leads

. Use specified insulating materials Ior hazardous live

parts. Note especially:

1) Insulation Tape

2) WC tubing

3) Spacers (insulating Burners)

A) Insulation sheets tor transistors

5) Plastic screws tor fixing microswiten (especially in
turntable)

. WhenreplacingACprimaryside components (aris-
torniets, power cords, noise blocking capacitors,
etc.) wrap ends otwires securely about the terminals
hetore soldering.

fitméwifl

6 Observe that wires do not contact heat producing
parts (heatsintts. oxide metal titm resistors. tusible
resistors, etc.)

s.

u.

*INFORMATION

7. Checkthatreplaeedwiresdonoteoutactsharpedged
or pointed parts.

2;. Also check arwx surrounding repaired locations.

9. Use care that torcign ohiccts (screws, solder dro.
piets, etc.) do not reinaitt inside the set.

SAFETY CHECK AFTER SERVICING

After servtctng, make measurements orieakage-cnrrent or
resistance in order to determine that exposed parts are ace
ceptabiy insulated from the supply circuit

The leakage-curtenlmeasnretnent should be done between
acccs. lc metal park (such as cha ,, ground terminal,
microphone taclts, signal-input/output connectors. etc.)
andthecurthgrnundthrougharcsisterot isoo ohmspnral-
ieled with a 0.15 w capacitor, undet the unit's normal
Working conditions The leakage-current shnuld be less
titan 05 mA (ms AC

The resistance measurement should he done between ac-
cessible exposed metal pairs and power cord plug prongs
with the power switch (if included) ON". The resistance
should be more than 2.2 Mont-its.

PRECAUTIONS FOR LITHIUM BATTERY

The lithium battery may explode when heated excessively.
[OBSERVE THE Fouiowmc WHEN REPLACING]
0 Replace with the same mate and type only.

0 Use soldering iron in recommended way" vnlyt

0 Place battery in correct polarity.

0 Do not short the terminals.

0 Do not recharge battery.

0 Do not dispare ormttery m rite.

0e

[DANGER] [RECOMMENDED WAY]

SYMBOLS FOR PRIMARY DESTINATION

Alphabet indicates the destination of the units as listed
below.

Desttnnttons
USA

UK

Canada

Australia

w.

Universal Area
Custom version

Nib ltkumlphllmbutg mirror/sentenzuwsmattraimzrnttaioqlntitraus to 1! ta tut

VOLTAGE CONVERSION

(E V B 5 Model onIy)
Befote connecting lllB power cord. Sci the VOLTAGE
SELECTOR located 0" the bottom plnta with r 'CICW'
driver so that the cottecl valingc is indicated.

220V 240V
VOLTAGE SELECTOR

SEIWICE MANUAL

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