Nad 512 Service Manual

Page 1

SERVICE SAFETY PRECAUTIONS (UL) 5

1. Use exact replacement pans for critical locations marked A
2. Return lead dress to original position and re-install protective covers.
3. Before returning to customer, test for shock hazard; use either method A or B:

A. Leakage test cold":
1. Unplug the AC cord; turn power switch ON.
2. Connect one lead of High Voltage Insulation Tester to both prongs of the AC plug.
3. Touch other lead to all exposed metal parts.
4. impedance measurement must be 0.3-5.0 Megohms.

B. Leakage test, live" :
1. Plug unit directly into the AC outlet: do not use isolation transformer.
2. Connect one lead of the Leakage Current Tester to earth ground.

3. Touch other lead to all exposed metal parts.

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Page 2

SAFETY INFORMATION

CAUTION

CAUTION - INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.

ADVARSEL - USYNLIG IASERSTRALING NAR DEKSEL APNEs
OG SIKKERl-[EDSLAS mamas. UNNGA EKSPON'ERJNG FOR
STRALEN.

ADVARSEL - USYNLIG LASERSTRALING V'ED ABNING, NAR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION. UNDGA
UDSEIFEISE FOR STRAIING.

VARING - OSYNLING LASERSTRALNING NAR DENNA DEL AR
OPPNAD OCH SPARRAR AR URKOPPLADE. STRALEN AR
FARLIG.

VAROt . AVATTAFSSA JA SUOJALUKITUS OHITEITAFSSA OLET
ALTHNA NAKIMATONTA LASERSATEILYLLE. ALA KAISO
SATEEsEEN.

VORSICTI - UNSICHTBARE LASERTRAHLUNG TRnT Aus, WENN
DECKEL GEOFFNET UND WENN SICHERI-IEITSVERRIEGELUNG
UBERBRUCKT IST. NICHT DEM STRAHL AUSSETZEN.

CLASS 1
LASER PRODUCT

The lightning flash with arrowhead, within an equilateral tri- The exclamation point within an equilateral triangle is intend-
angle is intended to alert the user of the presence of ed to alert the user of the presence of important operating
uninsulated "dangerous voltage" within the products and maintenance (servicing) instructions in the literature
enclosure; that may be OI sufficient magnitude to consti- accompanying the appliance.
tute a risk OI electric shock to persons.

THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULESI

OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS :-

(1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND

(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECIVED,
INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED
OPERATION.