Nad 319 Service Manual

Page 2

SERVICE SAFETY PRECAUTIONS

1. Replacing the fuses .. O
CAUTION: FOR CONTINUED PROTECTION AGAINST THE RISK OF FIRE REPLACE ONLY
WITH SAME TYPE OF FUSE.
Reference No Part Number ' Description
F501 *AH _ 5120-0055-0 Fuse 10A 250V Non-Time Delay LBC (UL/CSA)
F501C 5120-0017~0 Fuse 4A 250V Time Lag HBC (SEMKONDE)
1 F502*AH 5120-0036-0 Fuse 100mA 250V Medium Time Lag
LBC (UL/CSA)
F502*C 5120-0035-0 Fuse 100mA 250V Time Lag LBC (SEMKONDE)
F301 »F304*AH 5120-0056-0 Fuse 10A 125V Semi-Time Delay
. LBC (UL/GSA)
NOTE : (C

- <*AH > : USA, CANADIAN MODEL ONLY.
,<*C > . : EUROPEAN MODEL ONLY.

2. Safety-check out
(Only U.S.A. model)

Parts marked with the symbol A are critical with regard to the risk of fire and electric shock. (6
Replace only with parts recommended by the manufacturer.

Before returning the product to the customer, make leakage current or resistance measurements

to determine that exposed parts are acceptably insulated from the supply circuit.

Page 3

CONTENTS

DESCRIPTION , PAGE
SPECIFICATIONS ....................................................................................................................... 4-5
REAR PANEL / FRONT PANEL VIEW ............................................................................................ 6
fiWlRING DIAGRAM ........................................................................................................ ' 7-8
DISASSEMBLY INSTRUCTIONS ............................................................................................... 9
ALIGNMENT POINTS DIAGRAM / PROCEDURE ................................................................. , ..... 1 o
PCB LAYOUT .......................................................................... 11-13
SCHEMATIC DIAGRAM .......................................................................................................... 14-19
IC BLOCK DIAGRAM .....". ....................................................................................................... 20-21
EXPLODED VIEW ......... 22-:
EXPLODED VIEW PARTSILIST .................................. 23-,24
ELECTRICAL PARTS LIST ...................................................................................... :. ........... 25-S3
PACKING DIAGRAM / PACKING LIST ....................................... 34

Page 22

EXPLODED VIEW PARTS LIST

SCREW MSXG (YEL.ZN)

in; Part No Description 911
0001 1462-0602-2 FASCIA W/SS 1
0002 1402-6610-0 SU BFASCIA 1
0003 1402-3270-1 BASE PLATE 1
0004 1402-3290-2 CHANNEL 1
0005*AH 1402-3361-1 REAR PANEL W/SS 1
0005*C 1402-3372-2 REAR PANEL W/SS '1
0006 1402-3380-0 TOP COVER 1
0007 1402-3300-0 ACCESS COVER 2
0008 4132-1661-0 THERMAL MOUNTING CLIP 2
0009 4132-1671-0 TRANSISTOR CLAMP 8
0010 5400-0871-0 MAIN HEATSINK 2
0011 2437-640B-0 POWER BUTTON 1
0012 1402-3460-0 35MM KNOB SKIN 1
0013 , 2437-7706-0 35MM KNOB LENS 1
0014 2437-7601-0 35MM KNOB CORE 1
0015 2437-5701-1 18.5MM KNOB (BASS,TREBLE,BALANCE) 3
0016 4152-0041-0 POINTER 3
0017 2437-6001-0 8.0MM LONG BUTTON 1 ~-
0018 3714;910B-1 IRS WINDOW LENS v- 1
0019 4152-1871-0 BEZEL CLUSTER 1.
0020 2439-9701-0 . SINGLE LENS BUTTON 6
0021 3714-9206-1 BUTTON LENS '6
0022 4152~1871-0 BEZEL CLUSTER 1
0023 4152-1881-0 POWER BEZEL 1
0024 4152-1891-0 LED BEZEL 1
0025 4152-0011-0 LED LENS 4
0027 4132-1891-2 BOLT M8X1.25P HEX HD (WHT.ZN) 1
0028 2640-8062-1282 NUT M8X1.25P 6.2T (WHT.ZN) 1
0030 2600-8012-2202 FLAT WASHER-M8X1.2X22(WHT.ZN) 4
0031 415219110 CABLE CLAMP ' 6
0033 4151-9951-2 PCB SUPPORT AIS-4L 6.4MM HIGH 4
0034 A 4151-9461-0 STRAIN RELIEF BUSHING 1
0035 41519371-1 RUBBER FOOT 14.8MM HIGH 4
- 0043 4132-4121-0 6.4MM PHONE JACK CLIP 1
0101*AH A 7009-3100-1 AC CORD 18AWGX2 SPT-2 (UL/CSA) 1
0101*C A 7009-3110-0 AC CORD (SEMKO) 1
0102*AH A 2103~7701-2 AC OUTLET 1
0103*AH A 4151-9941-0 AC OUTLET COVER PLATE 1
0201 2900-4006-301 0 M4X0.5PX6MM W/FLAT WASHER 6
0202 2904-3008-3000 SCREW M3X8 (BLK.ZN) . 4
0203 2842-3367-0 METAL WASHERHD:3.3 OD=6.7 4
0204 2954-3010-3000 TAPPING 3X1OMM B-TITE (BLK.ZN) 6
0205 2954-3008-3000 TAPPING 3X8MM B-TITE (BLK.ZN) 26
0206 2954-3006-0000 TAPPING 3X6MM B-TITE (YEL.ZN) 21
0208 290480060000 4

23