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Musical Instrument Amplifier
Yamaha
GA 011589
OVERALL ASSEMBLY
1
35
45
45
Download
45 pages, 4.25 Mb
AG-Stomp
2
OVERALL ASSEMBLY
40
70
T50
T60
T120
T110
T20
T10
T170
T100
T110
T110
T140
T150
T160
T130
10
20
30
100
T40b
T80
T30
T70
T90
60
80
50
T40a
Contents
Main
SERVICE MANUAL
GA
ACOUSTIC GUITAR PRE-AMPLIFIER
IMPOR TANT NOTICE
WARNING :
WARNING
SPECIFICATIONS
Page
PANEL LAYOUT
Page
Page
BLOCK DIAGRAM
DM
1/2
PN
A
KEC-54233
A
PN 1/2
PN 2/2
A'
CIRCUIT BOARD LAYOUT
WIRING
DISASSEMBLY PROCEDURE
Bottom
Rear
1/2
PN 2/2PN
Topcover
2/2DM
1/2DM
Page
LSI PIN DESCRIPTION
DM: IC12
HD6413002FP16 (XQ375A00) CPU
YSS910-S (XV988A00) DSP6 (Digital Signal Processor)
DM: IC8
PIN NO. I/O FUNCTIONNAME PIN
NO. I/O FUNCTIONNAME
YM3437C-F (XM530A00) DIT2 (Digital Format Interface Transmitter)
AK4520A-VF-E2 (XT802A00) DAC & ADC
DM: IC17
DM: IC104
IC BLOCK DIAGRAM
MB3790PF(XR967A00)
0.5
R
)
74HC374DT(XZ102A00)
PN: IC301~IC307
D-FF
74HC4052DT(XZ101A00)
PN: IC308, IC309
CIRCUIT BOARDS
Page
Page
Page
Page
Page
Page
Page
TEST PROGRAM
2 0. 2. 1 2 1. 2. 2 2.14 2 14.
2. 0
Page
Page
ERROR MESSAGES
Page
WARNING
PARTS LIST
OVERALL ASSEMBLY
Page
ELECTRICAL PARTS
Page
Page
Page
Page
Page
AG-Stomp OVERALL CIRCUIT DIAGRAM 1/3 (PN 1/2,PN 2/2)
2/2
PN
1/2PN
AG-Stomp OVERALL CIRCUIT DIAGRAM 2/3 (DM)
1/2DM
2/2DM
AG-Stomp OVERALL CIRCUIT DIAGRAM 3/3 (DM)
1/2DM