Page 2 - IMPOR TANT NOTICE; WARNING
AG-Stomp 2 IMPOR TANT NOTICE T h i s m a n u a l h a s b e e n p r o v i d e d f o r t h e u s e o f a u t h o r i z e d Y a m a h a R e t a i l e r s a n d t h e i r s e r v i c e p e r s o n n e l . I t h a s b e e n a s s u m e dt h a t b a s i c s e r v i c e p r o c e d u r e s i n h e r e n t ...
Page 3 - SPECIFICATIONS
AG-Stomp 3 SPECIFICATIONS Digital Section • Full Digital Signal Processing• Mic Simulator: 8 Types• Feedback Reduction: 5-band• Digital Effects • Limiter• Digital Chorus, Digital Delay• Hall Reverb, Room Reverb, Plate Reverb • External Controller Function (EXP Pedal/MIDI): 8 Controllers/ Parameters ...
Page 5 - PANEL LAYOUT; Display & Main Section
AG-Stomp 5 Top Panel PANEL LAYOUT 123456 UP ButtonDOWN ButtonMANUAL ButtonUTILITY ButtonSTORE ButtonDisplay Display & Main Section Foot Switch Section Display & Main Section Effect Section Pre-Amplifier Section q w e rt y
Page 6 - Effect Section
AG-Stomp 6 1314151617181920212223 Pre-AmpSection 789 101112 MIC TYPE Select Switch (MIC TYPE)BLEND Control (BLEND/STEREO)VOLUMETone ControlsOUTPUT Level ControlSHIFT Button LIMITER ButtonLEVELFeedback Reduction ButtonsFrequency Control (FREQ)DEPTH ControlCHORUS/DELAY Effect ButtonsSPEED/TIME Control...
Page 8 - BLOCK DIAGRAM; DM
AG-Stomp 8 BLOCK DIAGRAM IC1 X2 X1 IC2,IC3 IC8 IC101 W101 CN301 CN101 CN301 CN W102 3 1 3742 1 IC102 2 1 IC102 6 7 IC104 5 6 3 4 26 27 IC10,IC11 PB0~PB7, SW-R0~R3 IC12 DOUT 16 (DM1/2-CN1) (PN1/2-CN304) (DM1/2-CN3) (PN1/2-CN302) AN0~AN3, SELECT-A, SELECT-B DM PN A A' PN 2/2 PN 1/2 1/2 1/2 DM 2/2
Page 10 - CIRCUIT BOARD LAYOUT
AG-Stomp 10 CIRCUIT BOARD LAYOUT 1/2 1/2 2/2 PN DM 2/2 DM PN
Page 11 - WIRING
AG-Stomp 11 WIRING 1/2 2/2 (V611470) (V610850) (V611460) (V611450) CN301 CN304 CN1 CN2 CN3 CN310 CN309 CN308 CN307 CN303 CN101 W101 W102 CN302 CN305 CN306 (V611480) PN 2/2 1/2 DM DM PN Note) When installing the DM circuit board, use care not to have the wire assembly caught by the bottom case. CNB-V...
Page 12 - DISASSEMBLY PROCEDURE; Bottom
AG-Stomp 12 DISASSEMBLY PROCEDURE Fig.1 [30]:Bind Head Tapping Screw-B 3.0x8 MFZN2BL (EP600190) 2. DM Circuit Board(Manhour requirement: 15 min.) 2-1. Remove the bottom case. (See Procedure 1.) 2-2. DM1/2 Circuit Board (Manhour requirement: 10 min.)Remove the one (1) screw marked [T110A], three(3) s...
Page 15 - LSI PIN DESCRIPTION
AG-Stomp 15 LSI PIN DESCRIPTION PIN NO. 123456789 1011121314151617181920212223242526272829303132333435363738394041424344454647484950 I/O OO IIIIIIII O OO II O I I/OI/OI/OI/O I/OI/OI/OI/OI/OI/OI/OI/OI/OI/OI/OI/O OOOOOOOO OOOO PA6PA7 VCC PB0PB1PB2PB3PB4PB5 PB6//DREQ0 PB7//DREQ1 /RESO VSS P90/TXD0P91/T...
Page 18 - IC BLOCK DIAGRAM; ASSP; OR; AND; 2-Stage Binary Ripple Counter
AG-Stomp 18 IC BLOCK DIAGRAM MB3790PF(XR967A00) DM: IC4 ASSP 2 3 4 5 6 7 8 9 10 11 12 16 14 13 C T V BAT2 V BAT1 ALARM2 RESET RESET ALARM1 V OUT V OUT V IN V IN V SENSE CONTROL GND 590k Ω 240k Ω 1.24V Reference Voltage Power Supply Circuit S Q R 100 Ω SBD 2.65V 2.37V 500 Ω V IN V IN V OUT V OUT 3 µ ...
Page 19 - Multiplexer; OP AMP
AG-Stomp 19 74HC374DT(XZ102A00) PN: IC301~IC307 D-FF 74HC4052DT(XZ101A00) PN: IC308, IC309 Multiplexer Q D Q D Q D Q D CK OE OE OE OE OE OE OE OE Q D Q D Q D Q D CK CK CK CK CK CK CK 1 OUT PUT CONTROL 2 3 4 5 6 7 8 9 10 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND 11 12 13 14 15 16 17 18 19 20 V CC 8Q 8D 7D 7Q 6Q 6D...
Page 20 - CIRCUIT BOARDS; DM 2/2 Circuit Board
AG-Stomp 20 to PN1/2-C CN101: to PN1/2-CN301 A A' INPUT MONO/TRS for POWER SUPPLY DIGITALOUT COAXIAL CIRCUIT BOARDS DM 2/2 Circuit Board DM 1/2 Circuit Board Component side
Page 21 - Component side
21 AG-Stomp Component side to PN1/2-CN304 to PN1/2-CN303 to PN1/2-CN302 A A' DIGITALOUT COAXIAL POWER SUPPLY ON/OFF CNA-V717790 2
Page 22 - DM 1/2 Circuit Board
Page 26 - PN 1/2 Circuit Board
AG-Stomp 26 to SW to SW A A' A A' PN 1/2 Circuit Board PN 2/2 Circuit Board
Page 27 - Pattern side
27 AG-Stomp to PN1/2-CN305 to SW to SW o SW A A' A A' Pattern side Pattern side
Page 28 - TEST PROGRAM; CONNECTION OF TERMINALS
AG-Stomp 28 TEST PROGRAM 1 1 2 3 7 8 4 2 3 6 5 A. CONNECTION OF TERMINALS • INPUT Monaural input • OUT L/MONO Balance output (RL 47K Ω ) • OUT R Balance output (RL 47K Ω ) • HEAD PHONES Stereo output (RL 33 Ω ) • EXP. PEDAL FC7 or Connect VR of B50K. JK pin 1: MIN of VR JK pin 2: MAX of VRJK pin 3: ...
Page 29 - SW Check
29 AG-Stomp p q u i o !0 !1 !2 !3 w e r t !4 y FC7 Foot Controller 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. Af...
Page 32 - ERROR MESSAGES; : MIDI Receive Buffer Full; Too much MIDI data is being received and the buffer is full
AG-Stomp 32 ERROR MESSAGES If an error occurs during operation, one of the following error message numbers will appear in the display.Stop operation of the AG-Stomp and follow one of the solutions described below. E1 : MIDI Receive Buffer Full CAUSE: Too much MIDI data is being received and the buff...
Page 34 - Notes : DESTINATION ABBREVIATIONS; ACOUSTIC GUITAR PRE-AMPLIFIER; PARTS LIST; CONTENTS; OVERALL ASSEMBLY
WARNING Components having special characteristics are marked and must be replaced with parts havingspecification equal to those originally installed. Notes : DESTINATION ABBREVIATIONS The numbers “QTY” show quantities for each unit.The parts with “--” in “PART NO.” are not available as spare parts.T...
Page 37 - ELECTRICAL PARTS
AG-Stomp 4 : New Parts REF NO. PART NO. DESCRIPTION REMARKS QTY RANK RANK: Japan only *** * ELECTRICAL PARTS ELECTRICAL PARTSCircuit Board DM DM1/2,DM2/2 (XZ869B0) Circuit Board PN1/2 (V776560)(XY900B0) Circuit Board PN2/2 (V776560)(XY900B0) Circuit Board DM DM1/2,DM2/2 (XZ869B0) Heat Sink (V573470)...
Page 43 - MULTIPLEXER; Segment LED
AG-Stomp 9 8 7 6 5 4 3 L K J I H F G E D C B A L A K J I H G F E D C B 1 2 AG-Stomp AG-Stomp OVERALL CIRCUIT DIAGRAM 1/3 (PN 1/2, PN 2/2) AG-Stomp 2/2 FOOT SW1 FOOT SW2 FOOT SW3 FOOT SW BANK 1 2 3 BANK MIC TYPE BLEND STEREO VOLUME BASS MIDDLE TREBLE PRESENCE LIMITER LEVEL FEEDBACK REDUCTION CHORUS/D...
Page 44 - to; Note : See parts list for details of circuit board component parts.
AG-Stomp 9 2 3 4 5 6 7 8 1 L K J I H F G E D C B A L A K J I H G F E D C B AG-Stomp AG-Stomp AG-Stomp OVERALL CIRCUIT DIAGRAM 2/3 (DM) OPAMP OPAMP OPAMP INVERTER to PN1/2-CN301 ADC & DAC OPAMP OPAMP OPAMP OPAMP OPAMP OPAMP REGULATOR B.COUNTER REGULATOR D-FF AND INVERTER SHIFTREGISTANT REGULATOR ...
Page 45 - CPU
AG-Stomp 9 8 7 6 5 4 3 L K J I H F G E D C B A L A K J I H G F E D C B 1 2 AG-Stomp AG-Stomp OVERALL CIRCUIT DIAGRAM 3/3 (DM) AG-Stomp SRAM SRAM ASSP AND DSP6 DRAM DRAM FLASH ROM OR OR OR OR OR AND AND AND REGULATOR INVERTER BUFFER BUFFER BUFFER BUFFER PHOTO COUPLER CPU to PN1/2-CN304 to PN1/2-CN303...