Nad C 720 BEE Service Manual

Page 2

TAISLE OF CONTENTS

DESCRIPTION P A G E
SERVICE CAUTION ....................................................................... 3
REAR PANEL/FRONT PANEL VIEW4
SPECIFICATIONS ................................................................... 5-7
ALIGNMENT PROCEDURE ..................................................... 5-7
WIRING DIAGRAM ............ I, .......................................................... s
BLOCK DIAGRAM ...... .............................................. .-.._::.S'-1'5 :
ALIGNMENT PROCEDURE: ............................................ T ........ 1 6E
SCHEMATICS ......................................................................... 17-20
PCB LAYOUT ............................................ ............................ 21-24
SPECIAL FUNCTION/TROUBLE SHOOTING GUIDE ....................... 25
ELECTRICAL PARTS LIST .................................................... 26-34
EXPLODED VIEW ....................................................................... 35
EXPLODED VIEW PARTS LIST ...................................................... 36
PROTECT IC CHANGE ................................................................... 37

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EXPLODED VlEW PARTS LIST

REFNO PART NO. DESCRIPTION Qty, REF.NO PART NO. DESCRIPTION Qty.
c001 66-047001 -1 Chassis 1 F024 75-005001-0 Sleeve 2
C002 66-047003-0 Service Cover 1 F025 66-011006-0 IR Bracket 1
0003 66-001009-0 Clamper 2 F026 36-01012-00 VFD 1
(3004 70-047001-1 Main Heat Sink 1 1:027 75-047004-0 VFD Bracket 1
0005 66~001010-0 Transformer Bracket 1 F028 01-72003-01 VFD MODULE 1
C006 67-001011-0 Shielding Box 1 F029 01-72003-00 KEY BOARD 1
0007 A 18-72151-20 C Version Transformer 1 F030 01-72005-00 POTS BOARD 1
A 18-72151-10 AH Version Transformer 1 F031 66-011011-0 Conneciible Bracket 1
9008 66-001008-0 Metal Disc 1
(3009 94-001004-2 Label 1 R001 67-047002-1 Rear Panel (AH) 1
CO10 66-001007-0 PCB Support 1 67-047003-1 Rear Panel (C) 1
0011 66-001011-0 Module Support 1 R002 37-01140-23 Tuner(AH) 1
0012 30-63200-00 snorting Plug 1 370114123 Tuner(C) 1
0013 75-010004-1 Foot 4 R003 A 11-01101-03 Rock Switch 1
(>014 78-001002-0 Foot Pad 4 R004 A 17-07002-20 Ac Outlet (C) 1
0015 700140022 Heatsink1 7 A 17-07002-10 AC Outlet (AH) 1
0015 70-001002-0 HeatsinkZ 2 R005 A 15-02251-20 Ac CORD <0) 1
c017 01-72002-00 Power Board 1 A 15-10121-10 AC CORD (AH> 1
0018 01-72001-20 Main Board(C Version) R006 84-001002-0 Relief Bushing 1
01-72001-10 Main Board(AH Version) 1 R007 66-047004-0 Tuner Bracket 1
F001 67-047004-1 Fascia 1
F002 57-047005-0 End Cap L 1 T001 67-047001-0 Top cover 1
F003 67-047006-0 End Cap R 1
F004 66-047002-1 Subfascia 1 5001 61-023206-0 Self Taping Screws BTBSXS 4
F005 75-047003-0 Input Button Lozenge 1 $002 61-0232080 Self Taping Screws BTBSXB 12
F006 77-001001-1 Tone Control Lozenge 1 C:14
F007 75047001-1 Selector Knob 1 $003 61-022205-0 Self Taping Screws BTBZX5 8
F008 74-001001-1 Tone Defeat Button 1 8004 61-022206-6 Self Taping Screws BTBZSXB 7
F009 73-014001_1 Tone Knob 3 3005 61-022205-6 Self Taping Screws BTB2t6X5 2
F010 73-014002-1 Volume Knob 1 $006 61-023106-0 Self Taping Screws STB3X6 58
F011 77-026001-0 Power Button Bezel 1 8007 61-023108-0 Self Taping Screws STB3X8 8
F012 77-026001-0 Power Button 1 $008 61-023506-0 Machine Screws MB3X6 4
F013 77.011004.1 Duo Bezel 2 5009 61-044514-0 Machine Screws MT4X14 2
F014 75-047005-0 Linked Goggle Bezel 2 3010 61-024108-0 Self Taping Screws STB4X8 4
F015 74-011001-1 Duo Buttons 4 5011 61-084108-0 Self Taping Screws STP4X8 6
F016 74-047001-0 Trlo Buttons 2 $012 61-023204-0 Self Taping Screws BTBSX4 2
1:017 74-001008-0 Quad Buttons 1 $013 64-108055-0 Bolt 685781 M8X55 1
F018 75-047002-0 Selector Knob Bezel 1 $014 63-020820-1 Spring Washer 6393(8) 2
F019 75-003003-0 Bracket 2 5015 63-010816-0 Washer 6897(8) 2
F020 77-025001-1 Volume Knob Bezel 1 3016 62-010802-0 Nut GBS170(M8) 2
F021 76-011001-1 T172 Windows Lens 1 $017 62-010302-1 Nylon Nut (M3) 4
F022 76-003001-0 LED Lens 1
F023 86-018003-1 Phone Bracket 1

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