Yamaha AES820 service manual Circuit Diagram, Wiring

Page 5

CIRCUIT DIAGRAM

FRONT PICKUP

BOARD

0.022uF

C1

 

CIRCUIT

0.047uF

C2

 

AES820

FRONT VOLUME

 

500KΩ

150KΩ

680pF

15A

 

PICKUP SWITCH

 

 

 

(3 position Toggle)

B20KΩ

OUTPUT

 

ROTARY SWITCH (2 pole 3 position)

 

680pF

Ω

150KΩ

15A 500K

 

REAR PICKUP

REAR VOLUME

GP20-11

WIRING

 

RE

 

Signal

 

Screw Yoke

 

WH

 

Tap

PICKUP SWITCH

BL

(3 position Toggle)

Flat Yoke

RE

Ground

GR

B view

Sumitube

WH (from rotary switch)

 

WH+BL

 

(from rear pickup)

REAR VOLUME

 

VOLUME

GR+Bare Wire

15A 500KΩ

(from rear pickup)

 

Bare Wire

WHBE

Bare Wire

RE

 

FRONT PICKUP

(from rear pickup)

REAR PICKUP

 

WH (from pickup switch)

 

Screw the lug terminal in

to bridge column

cavity for the pickup.

 

BL

BL

 

BL

BL

 

A view

 

WH+BL (from front pickup)

 

Bare Wire

 

(from pickup switch)

Sumitube

 

FRONT VOLUME

BE (from rotary switch)

VOLUME

 

 

15A 500KΩ

GR+Bare Wire

RE (from front pickup)

 

 

(from front pickup)

 

 

BE (from pickup switch)

 

 

 

 

ROTARY SWITCH, B20K

B

WH

(2 pole 3 position)

 

 

Circuit Board

A

 

BE

BL

RE

OUTPUT JACK

RE

BL (from pickup switch)

BL

5

Image 5
Contents AES820 E38 F01e Overall AssemblyDescription Remarks Circuit Board Wiring Circuit DiagramSpecifications