Nad 514 Service Manual

Page 1

SERVICE MANUAL

w
P
LO

SERVICE SAFETY PRECAUTIONS (UL)

/\
1. Use exact replacement parts for critical locations marked /!\_"
2, Return lead dress to original position and re-instali 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 ot High Voltage Insulation Tester to both prongs ol the AC plug
3. Touch other lead to all exposed metal parts
4. impedance measurement must be Ds-5,0 Megohms,

B. Leakage test. live" :
1 Plug unit directly into the AC outlet: do not use isolation translormer.
2. Connect one lead 01 the Leakage Current Tester to earth ground.
3. Touch other lead to all exposed metal parts.
4 Leakage measurement must be less than 0.5 mllliamps.

SC

I-
O
<
D.
E
O
U

PLAYER

D

Page 2

CONTENTS
SAFETY INFORMATION I

CAUTION DESCRIPTION pAGE
SPECIFICATIONS ......
REAFI PANEL/FRONT PANEL VIEw
BLOCK DIAGRAM.
WIRING DIAGRAM,

mm LASER mm mm min no
meme-rs airmen moo EXPOSURE To nun.
W I»: mm ms

wtw meta 550mm uuo wEnN

mfimmwrge W L DISASSEMBLY INS CTIONS.
"6 W m m AUCNMENT PROCEDUR

5;qu mm»: wan
New; IMPORTANT NOTES .....

WW 055W v21) m W MAIN PCB LAVOUTIPAHTS SIDE). .15-15
mfnsnrsm&§o§srfiuéw n ' MAIN SCHEMATIC DIAGRAM"... .17-13
mm mflgfiflfigfizm DISPLAY PCB LAYOUTIPAPTS SIDE) AND SCHEMATIC DIAGRA .19-20

at SEW WLEV IC BLOCK DIAGRAM .....

TROUBLE SHOOTING GUIDE 25
; MECHANISM EXPLODED VIEW $28
I EXPLODED VIEW ...... 29
EXPLODED VIEW PARTS LIST

PARTS LIST.

SPECIFICATIONS

Disc capacity ......
i Programming capacity .....

Digital-Io Anaiogue conversio ....... MASH. 18-bit resoluiIon,
4 x oversampled. linear
phase wilh 18-bitcoe1flcients
Analogue filter"... 5 FCIe active
Frequency response 5Hz»20kHz +/-O.2dB

Die-emphasis error.
THD (at OdB, 1kHZ)
Dynamic range

I
CAUTION: FOR CONTINUED PROTECTION AGAINST RISK OF FIRE. REPLACE ONLY WITH SAME Linearity.
TYPE OF T630mA/250V FUSES. l Signal/Noise Ratio
I (A-weighted, measured with all zeroes test disc)
ATTENTION: POUR MAINTENIR PROTECTION CONTRE RISOUE DINCENDIE. UTILISER LES ' Channel Separation 1kHz
FUSIBLES DE RECHANGE DE MEME TYPE DE TSJOmA/ZSOV. WOW and Flutter .....
(Quartz accuracy)
Output |mpendance...... 120 ohm
Output Level at MB... 2.0 V rms

CIRC with doubIe error
correcIiDn in CI and 02
....Sony/Philips serial data Iormat

umnsuLIlod Iungems wII-ge wnhm me 91mm 5 undo- mamas: Isemcng) msrmmons m me memor-
we mar may be or svflnclm magnum: Io consulate - name-Wm me now-mo:

The Iqmmng lush um mamas. mmm an equuawai The uuunnm porn! wmun an ewllaieul manure Is mum-a
mangle. :5 meme In and me user or an presence or a In Ilan me use: a! m- arm «I Imoomnr milling m Digital error correclio
nsk DI mew-c shock In pecans

Digiial code inpui...

Remote cunrrol ....... Yes

PHYSICAL SPECIFICATION
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. Dimensionswmxm 435 X 93 x 290mm
OPERATION Is SUBJECT TO THE FOLLOWING TEo COND ITIONs. Ne! weight... . 4.6 W 10.14 lbs

(1) THIS DEVICE MAV NOT CAUSE HARMFUL INTERFERENCEAND Shipping wag
(2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED.
INCLUDING INTERFERENCE THAT MAV CAUSE UNDESIRED
OPERATION. 3

5.5 Kg/ 12.13 lbs