Yamaha GA 011589 service manual SW Check

Page 29

AG-Stomp

1:SW Check

(1)Using the UP and DOWN switches, select “1”. (This step can be skipped if “1” is already selected.)

(2)Press the STORE switch.

(3)Starting with the UP switch, press each switch whose LED lights up one after another. After “MIC”, “BANK”, “3”, “2” and “1”, all LED segments should light up and then go out.

A number (0 to 20) is indicated at the right end of the 7 segment LED.

If “E” representing an error appears at the left end of the LED, press the UTILITY switch for resetting.

2:VR Check (Be sure to set each of VR, SW and EXP PEDAL to be checked at its center position.)

(1) Using the UP and DOWN switches, select “2”. (This step can be skipped if “2” is already selected.)

 

 

 

 

 

 

 

 

!4

 

 

 

 

 

 

 

 

FC7 Foot Controller

 

u

i

o

!0

!1

!2

!3

 

p

q

w

 

e

r

t

y

Fig.2

(2)

Press the STORE switch to start checking.

 

LED display

 

 

 

 

2.

0

 

 

 

 

 

 

 

 

(3)

Turn MIC SW p counterclockwise.

 

LED display

 

 

 

 

2

0.

 

 

 

 

 

 

 

(4) Turn MIC SW p clockwise.

 

LED display

 

 

 

 

2.

1

 

 

 

 

(5)Set MIC SW p at the center position.

(6)Turn BLEND STEREO q counterclockwise.

LED display

2

1.

 

(7) Turn BLEND STEREO q clockwise.

LED display

2.

2

 

(8)Set BLEND STEREO q at the center position.

(9)Check other VRs w to !2(Fig. 2) one after another until LEVEL !3finally.

LED display

2.14

 

 

 

(10)Return EXP. PEDAL.!4

LED display

2 14.

 

29

Image 29
Contents Acoustic Guitar PRE-AMPLIFIER AG-Stomp Digital Section SpecificationsAG-Stomp Panel Layout AG-Stomp Pre-AmpSection AG-Stomp Footswitch Section DM 2/2 DM 1/2 Block DiagramKEC-54233 Circuit Board Layout Wiring Bottom30 Disassembly ProcedurePN 1/2 Heat Sink HD6413002FP16 XQ375A00 CPU LSI PIN DescriptionYSS910-S XV988A00 DSP6 Digital Signal Processor AK4520A-VF-E2 XT802A00 DAC & ADC Assp IC Block DiagramNJM5532M XC011A00 Circuit Boards To PN1/2-CN302 To PN1/2-CN303 To PN1/2-CN304 AG-Stomp DM 1/2 Circuit Board AG-Stomp DM 2/2 Circuit Board Pattern side AG-Stomp PN 1/2 Circuit Board To DM1/2-CN103 AG-Stomp PN 1/2 Circuit Board PN 2/2 Circuit Board AG-Stomp Pattern side Connection of Terminals Test ProgramSW Check Midi Check Input Output E1 Midi Receive Buffer Full Error MessagesOmni ON, Mono Parts List Overall Assembly Description Remarks Electrical Parts V7494000 XZ108A00 RG004470 V7491800 VK701100 PN 1/2 DM 2/2 AG-Stomp Overall Circuit Diagram 3/3 DM