Nad 522 Service Manual

Page 2

SAFETY INFORMATION

CAUTION

CAUTION - muslin: lAwn Mm "mN wlIrN rww ANII
Int-mum nmnrn. mun r. nukr 11 : mum.

ADVARSEL. uswuc lASFJlSrIM 0 Mn mun. Arm-s
m; SIKKEMIIZIHIAS mime. uNNnA Exsnmmmr. mu

.rrnALEN.

ADVARSEL - UWNIJK. [AERWMI rm: VF. AIININC. NAK

SIXKERIIEIKAI'MKYI) um; M TUNK'IION \INImA

Uusmliulz Fox sTMuNG.

VARING - OSVNIJNG wmmAINING NM DENNA nEL Al

OPPNAD OCH SPARK»! AR URKOIPIADE. mull AR

FARLIG

CLASS 1

LASER PRODUCT

AVATIAFSSA pt SUOJAIMKI'IUS mm m-ntrssA om
ALT" Nmmnowm msmumuux AIA msu
SATEBELN.

VORSICII UNSILII KARE IASEITMI ll UNG Tlrlr AUS, WILNN

DECKEI. thIFFNET UNI) wmw srmm nsvmmmuunc

UBLRIIROCKT Isr. NlCIrr DEM smrlL/t um,

~ 2

rm; Ilghlnlng (lash mm arrowhead wllhln an equilateral m- The exclamation pomtwithln an equilateral irlangle IS inland-
ungle IS lnlondod m aIeII the user at the presence or ed la alen the useror the presence at Imporlafll operating
unlnsulaled 'dangemus voltage' within me product's and maintenance (servicing) instructions in the literalure

enclosure; that may be m sufllcienl magnltude to consll- accompanying the appliance,
lute a risk or electric shock In persons.

THIS DEVICE COMFLIES WITH PART 15 OF THE FCC RULES.

OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS :-

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

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

SERVICE SAFETY PRECAUTIONS
1. Replacing the Iuses

CAUTION: FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY
WITH SAME TYPE OF FUSE.

Reference No Part Number Descriptlon

MBO1AH 5120-0031-0 Fuse SOOmA 250V Time Lag High Surge (UL/CSA)
M801'B,'B1,C 5120-0057-0 Fuse 125mA 250V Time Lag (SEMKONDE)
NOTE :

- <'AH > : USA. CANADIAN MODEL ONLY
: UK MODEL ONLY
: AUSTRALIAN MODEL ONLY,
<'C > : EUROPEAN MODEL ONLY,

. Surety check out

(Only USA, model)

Before returnlng the product to the customer, make leakage current or resistance measurements
to determine that exposed parts are acceptably insulated from the supply circuit,

Parts marked with the symbol A are critical with regard to the risk of tire and electric shock
Replace only with parts recommended by the manufacturer.

CONTENTS

DESCRIPTION PAGE

SPECIFICATIONS ......................................................................
REAR PANEL/ FRONT PANEL VIEW ........................................
BLOCK DIAGRAM .
WIRING DIAGRAM
DISASSEMBLY INSTRUCTIONS .
RF PATTERN TESTING .........
IMPORTANT NOTES ...............................................
PCB LAYOUT ....................................................................
SCHEMATIC DIAGRAM
IC BLOCK DIAGRAM
TROUBLESHOOTING GUIDE
EXPLODED VIEW ............................
EXPLODED VIEW PARTS LIST .....................................
MECHANISM EXPLODED VIEW ......................................................................
ELECTRICAL PARTS LIST
PACKING DIAGRAM .....