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Title
Numbe r Revis ionSize
A3
Dat e: 05/09/2 003 Sheet of
Fil e: D:\9392 _4\93 92_4. Sch Drawn By:
TFX2 FX Control Board
9392 4
119392_4.Sch
Rich Thompson
BLT
Industries
Revision History
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HD3
G
PREAMP/OUTPUT/LOOP
4W LOOM TO
TO MAIN PREAMP PCB
+5V
22KB6S
VR1
22KB6S
VR2
G
G
CLEAN FX LEVEL
DRIVE FX LEVEL
1
2
3
4
C
16PGRY
SW7
G
CLEAN FX PROGRAM
1
2
3
4
C
16PGRY
SW8
G
DRIVE FX PROGRAM
+15V
-15V
+5V
G
CLEA NFXFET
DRIVE FX FET
DRIVE 1FS
DRIVE 2FS
CLEA NFS
PORTA = SWITCHES, LEDS, FETS
PORTB = PROGRAM ENCODERS
PORTC = TIME/RATE ENCODERS
PORTD = FX LEDS ON PREAMP
FRONT PANEL SWITCHES AND LEDS
TO FOOTSWITCH
FXSW1
FXFSLED
D0
D1
LED3MM G
LED1
LED3MM G
LED2
DRIVE FX ACTIVE
DRIVE 2FET
DRIVE 1FET
CLEA NFET
FXSEND
FXRETURN1
FXRETURN2
TO DSP MODULE HD1
PORTE = COMMS
+15V -15V
G
2
13
4
5
6
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40
HD 40WM
HD 1
CLEAN FX ACTIVE
DFX 1
DFX 2
DFX 3
DFX 4
DFX 1
DFX 2
DFX 3
DFX 4
CFX1
CFX2
CFX3
CFX4
DRIVEFX
CLEA N FX
CFX1
CFX2
CFX3
CFX4
BR 16BU
BRKT2
1
2
39
40
123456789101
HD10 WLSJ
HD4
1K
R1
1K
R2
+5V
+5V
10K
R3
10K
R4
R3/ R4 FROM 100K TO 10K
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