Yamaha Guitar AES820 User Manual

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SERVICE MANUAL

WARNING : CHEMICAL CONTENT NOTICE!

The solder used in the production of this product contains LEAD. In addition, other electrical/

electronic and/or plastic (Where applicable) components may also contain traces of chemicals

found by the California Health and Welfare Agency (and possibly other entities) to cause cancer

and/or birth defects or other reproductive harm.

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS INYOUR

MOUTH FOR ANY REASON WHAT SO EVER!

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not

inhale solder fumes or expose eyes to solder/flux vapor!

If you come in contact with solder or components located inside the enclosure of this product,

wash your hands before handling food.

CONTENTS

OVERALL ASSEMBLY

CIRCUIT BOARD

CIRCUIT DIAGRAM

............................................ 2

............................................ 4

.................................................. 5

W I RI N G

SPEC I FICATIONS

.................................................................... 5

................................................. 6

This document is printed on chlorine free (ECF) paper with soy ink.

011618

HAMAMATSU, JAPAN

1.018K-061

Printed in J apan ’02.01

AES820

REF NO.

QTY RANK

PART NO. DESCRIPTION

OVERALL ASSEMBLY

A01 AAX33280 Neck Assembly

REMARKS

AES820

(BL)

A01a

Seal

(QC66280)

D01

Body

E01 QC663500 Tuning Machine Assembly 1E

E02 QC663600 Tuning Machine Assembly 2B

E03 QC663700 Tuning Machine Assembly 3G

E04 QC663800 Tuning Machine Assembly 4D

E05 QC663900 Tuning Machine Assembly 5A

E06 QC664000 Tuning Machine Assembly 6E

Trim-Lok NB1PSC

Trim-Lok EXB2PSC

Trim-Lok LEXB3PSC

Trim-Lok LEXB4PSC

Trim-Lok EXB5PSC

Trim-Lok NB6PSC

Chrome

E07

E08

Nut

Washer

with Tuning Machine Ass’y

Chrome

E09 QC651900 Rod Cover

Chrome

E10 TY006000 Oval Head Wood Screw

E11 QC574100 Nut

2.4X13 FCM33G

Urea 43mm (Black)

Black

Chrome

E17 QC205200 Neck Joint Bushing

E18 QC685200 Oval Head Tapping Screw

E19 QC685100 Oval Head Tapping Screw

E20 QC656000 Bridge Assembly

E21 QC656800 Bridge Adjusting Screw

E22 QC286300 Nut

E23 QC651700 Tailpiece Assembly

E26 QC668700 Cap Screw

E33 QC668600 Bushing

4.5X40 FCM3BL

4.5X35 FCM3BL

Ping Well TP6-05Y

Ping Well TP6-05SN

Ping Well TP6-3BC

Ping Well TP6-01Y

M3.0X30 (Black)

Black

Chrome

E34

Strings

D’addario XL-120

SG-type (Chrome)

3.5X25 FCM33G

Felt (Black)

1set

(QC16510)

E37 QC656100 Strap Button

E38 QA132800 Oval Head Tapping Screw

E39 VB793700 Spacer

Chrome

E40 QC541700 Knob Assembly

E40a QC532900 Screw

E44 CB023450 Back Cover

E45 EB620020 Oval Head Wood Screw

E46 QC652000 Back Cover

E47 EB620020 Oval Head Wood Screw

Chrome

M3.0X3 (Black)

Switch (Black)

2.7X13 FCM3BL

Electrical (Black)

2.7X13 FCM3BL

Black

F01

F01a HS120070 Variable Resistor

F01b -- Electrical Unit (Switch)

F01ba QC664900 Rotary Switch

Electrical Unit

(QC66420)

FRONT/REAR VOLUME

(QC66440)

15A 500K ohm

2pole 3P SRBU13S

F01bb

F01bc

F01bd

Hexagonal Nut

Flat Washer

Circuit Board

with Rotary Switch

(QC66480)

(QC66430)

F01be UA114220 Mylar Capacitor

F01bf UA114470 Mylar Capacitor

F01bg QC665100 Trimmer Potentiometer

F01c FG212680 Ceramic Capacitor

F01d HF858150 Resistor

0.022uF 50V K

0.047uF 50V K

B20K ohm

680pF 50V

150K ohm 1/6W

Korea Open-type

F01e QC234900 Jack

F02

Electrical Unit

F02a QC546700 Pickup Switch

F04 QC656300 Knob

3P Toggle

Chrome

F05

Nut

Chrome

Black

with Pickup Switch

with Volume

F06 VA295700 Washer

F09

F10

F11

Hexagonal Nut

Flat Washer

Toothed Lock Washer

F15 AA820860 Hexagonal Nut

F16 AA820850 Flat Washer

F17 ET800180 Toothed Lock Washer

F18 EA620060 Round Head Wood Screw

9S MFZN2BL (Black)

9S FNM33G (Nickel)

2.7X13 FCM33G

with Jack

Chrome

G01 QC664500 Pickup Assembly

G03 20454100 Oval Head Tapping Screw

G04 QC556400 Pickup Cushion

G11 QC664600 Pickup Assembly

G13 20454100 Oval Head Tapping Screw

G14 QC556400 Pickup Cushion

DiMarzio YHNQ4BKLR

2.4X16 FCM3BL

FRONT

Black

DiMarzio YHWQ4BKL

2.4X16 FCM3BL

REAR

Black

: New Parts

RANK: J apan only

NOTE: The parts list continues to the next page.

AES820

REF NO.

QTY RANK

PART NO. DESCRIPTION

REMARKS

H01 QC354000 Accessory Unit

QA262600 Cord

G-1

1set

Wrench

QC656000 Bridge Assembly

B01 QC651600 Bridge Base

B02 QC651500 Bridge Saddle

B03 QC655800 Bridge Saddle

B04 QC655900 Bridge Saddle

B05 QC656900 Flat Head Screw

B06 QC656700 Bridge Spring

Ping Well TP6-05Y

Chrome

5,6 Strings

3,4 Strings

1,2 Strings

Chrome

3.0X12 FCM33G

L=8 (Nickel)

: New Parts

RANK: J apan only

CIRCUIT BOARD

to Rear Volume

to Output Jack

to Rear Pickup

ROTARY SWITCH

(2 pole 3 position)

to Front Pickup

Component side

Note: See parts list for details of circuit board component parts.

EPB-QC66480

AES820

CIRCUIT DIAGRAM

FRONT PICKUP

FRONT VOLUME

PICKUP SWITCH

(3 position Toggle)

OUTPUT

B20KΩ

0.022uF

0.047uF

ROTARY SWITCH

(2 pole 3 position)

680pF

150KΩ

REAR PICKUP

REAR VOLUME

GP20-11

WIRING

B view

Signal

Screw Yoke

Flat Yoke

Sumitube

WH (from rotary switch)

Tap

WH+BL

(from rear pickup)

PICKUP SWITCH

(3 position Toggle)

REAR VOLUME

VOLUME

15A 500KΩ

Ground

GR+Bare Wire

(from rear pickup)

Bare Wire

(from rear pickup)

FRONT PICKUP

REAR PICKUP

WH (from pickup switch)

Screw the lug terminal in

cavity for the pickup.

to bridge column

ROTARY SWITCH, B20K

(2 pole 3 position)

A view

Circuit Board

Bare Wire

WH+BL (from front pickup)

(from pickup switch)

Sumitube

BE (from rotary switch)

FRONT VOLUME

OUTPUT JACK

VOLUME

15A 500KΩ

GR+Bare Wire

(from front pickup)

RE (from front pickup)

(from pickup switch)

BE (from pickup switch)

AES820

SPECIFICATIONS

STANDARD SP ECIFICATIONS

Scale Length .............................. 628.0mm

Body-Neck Construction ......... Bolt On

Length ........................................ 995.8mm

Width ......................................... 343.6mm

Net Weight ................................ 3.7kg

COLOR

Body

BL ............................................. Black

LBM ......................................... Light Brown Metallic

FLB ........................................... Flat Blue

Neck

BL ............................................. Black

BODY

Material...................................... Alder

Body Depth ............................... 44mm

FINGERBOARD

Material...................................... Rose

Fingerboard Width ................... 0-F 43.0mm, 12-F 52.5mm

No. of Frets ................................ 22

NECK

Material...................................... Maple

Neck Thickness ........................ 1-F 21.9mm, 12-F 23.9mm

P ARTS

Hardware ................................... Chrome Plated

Nut .............................................. Urea

Bridge ........................................ Ping Well: TP6-05Y (Chrome)

Strings ........................................ D’addario: XL-120

CONTROLS

Volume ....................................... 15A 500KΩ x 2

Rotary Switch ............................ 2 pole 3 position

Pickup Switch ............................ 3 position Toggle Switch

P ICKUP S

Front/ Rear ................................ Humbucking

Magnet

Front/ Rear .............................. Ferrite

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