Yorkville EF500P User Manual download pdf (Page 9)

OLD

NEW

PIN CONFIGURATION

SEE LAYOUT DIAGRAM

"STYLE_P32"

GSD

TO-247

IRFP23N50L

IRFP9140N

EBC

TO-126

MJE350

MJE340

MJE270

BD238

BD140

BD139

MJE271

BD237

DGS

TO-92

2N5638

J109

ECB

MPSA63

MPSA43

2N5551

TO-92

MPSA92

MPSA13

MPSA56

2N5401

MPSA06

"STYLE_P25"

BEC

TO-220

BDX53B-53C

BDX54B-54C

CEB

TO-92

BC560C

BC550C

05-APR-2010 14.00 PC#7356 CHANGED SQUARE PADS TO OVAL

.. ADD OPTO-COUPLERS TO PCB AND REMOVED REWORKS

02-FEB-2011 . PC8185: CHANGE #3453 TO #4100 GG

06-DEC-2011 . NET NAMES UPDATED AS PER PAUL B. - ML

PC8373: FORCE UPDATED RELAY PATTERN. - MLV15

NEW PATTERN FOR J1 AND RADIAL TABS. - ML

23-FEB-2012

V16 PC8448: Changed tab pattern to large slot. - ML25-JUN-2012

FUNCTION

OLD NEW

REF

MODEL(S):-

PART KNOB PART KNOB

M1159

EF500P

MAIN GAIN

MIC GAIN

BASS TONE

LINE GAIN

HORN TONE

4537 4434

4566 4432

4435

4432

4434

4546

4566

4537

8393

8392

8394

8392

8394

9916

9915

9917

9915

9916

MODEL(S):-

PC#

*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY

PENDING CHANGE

M1159 PENDING CHANGES

EF500P

.PC

7244 CHANGING #4599 TO #4597 IS NOT EXECUTABLE

23-OCT-2003 6.00

OCT/15/2004

1-APR-2002

8.00

4.20

UPDATE TABS FOR DS PCB'S

OCT-07-2004 7.10 PC#6694 CHANGE POTS TO P32 STYLE

PC#6513 R130 2K TO R123 1K TO 470R

11-APR-2002 5.00 PC#6523 UPDATE TABS, REMOVE COPPER UNDER XFMR

BOARD NOT USED FOR NX520P - REMOVE M1159A

19-FEB-2004 7.00 PC#6671 P.S. MODIFIED TO MEET CE SPACING STNDS.

PC#6743 CHANGE C23, C19, C30 TO "DO NOT STUFF"

SEP-13-2005 9.00 PC#6964:INCREASE SPACING OF PADS AT POW. DIODES

. . PC#6979:GT:R6&R23 #4815 12R->#2038 11R FUSIBLE

PC7003:GT:R9 #4979 15K->#6104 2K2, ADD 8921 WASHER.OCT-31-2005

PC#7098:GT:Q14&Q15 6914 IRFP350->6967 IRFP23N50LPBF.APR-27-2006

HA, PC#7136, REPLACE R77, R81 AND R82 WITH #4686

37K4 1% 1/4W. REPLACE R78 WITH TWO #4611

9.01AUG-16-2006

DATE

MODEL(S):-

VER# DESCRIPTION OF CHANGE

MAR/27/2002

V4.10

CHANGE R208 3K TO JUMPER, R204 3K T0

47K, R206 1K TO 220R, C140 1N5 TO 2N2

AND C91 FROM 680P TO 100N.

-INVERT BOTH AMP OUTPUT WIRE COLORS-INVERT BOX

NOV 06 2001

3.10

2.10SEPT 20 2001 PC#6453 R39 6R2 TO 2R2

M1159

EF500P

AUG 22 2001 2.00 1st RUN CHANGES FOR VER.2.00

SEE ATTACHED NOTES ON DATA BASE.D

SEPT 18 2001 2.00 CHANGE R28 FROM 10K TO 4K7 AND R34 FROM 33K TO 47K

OCT 22 2001 3.00

ADD COPPER POURS UNDER ALL OUTPUT DEVICES.

PC#6464 R37 75R TO 150R PC#6469 R130 4K7 TO 2K

NOV 29 2001 4.00 MOVED TRACES UNDER 1/4" JACKS #3921

MOVE R24, ADD D21 AND C144, R27 FROM 47R TO 100R.&V4.10

REPOUR CHASSIS GROUND FOR CSA STANDARD 4mm clr

PC#7398, ADD CROWBAR CIRCUIT AND CHANGE FUSE

AT THE SAME TIME SEE PRODUCTION NOTE

ROUTE TRACE FROM R22 TO R20 AROUND Q11 MOUNT 10.00 OCT-31-2006

.. PC# 7167, ENLARGE HOLE SIZE FOR #3522

PC#7178, Updated limiter for RoHS compliance

. . PC#7245, CHANGE VCD PARTS VALUE, HEAD LIMITATION

28-MAY-2007 11.00 FIX AUTO INSERT PROGRAM

05-JUL-2007 12.00 FIX AUTO INSERT PROGRAM

PC#7290,CE VERSION ONLY, REPLACE R157 10K #4940

WITH 3K3 #4938. REPLACE D34 AND D43 1N4148 #6825

WITH BAT85 #6733

06-FEB-2008

. . PC#7454, ONLY FOR N.A. REMOVE C77, R128 AND R124.

BA WILL PUT 33K,470R,100N AND 10U AS SHOWN, PAGE3..

13.00

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Yorkville EF500P User Manual Page 9

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