YORKVILLE ef500p Service Manual page 10

M1159
MODEL(S):-
EF500P
# DATE VER# DESCRIPTION OF CHANGE
1 AUG 22 2001 2.00 1st RUN CHANGES FOR VER.2.00
2 D V SEE ATTACHED NOTES ON DATA BASE.
3 SEPT 18 2001 2.00 CHANGE R28 FROM 10K TO 4K7 AND R34 FROM 33K TO 47K
4 SEPT 20 2001 2.10 PC#6453 R39 6R2 TO 2R2
5 OCT 22 2001 3.00 REPOUR CHASSIS GROUND FOR CSA STANDARD 4mm clr
6 D V ADD COPPER POURS UNDER ALL OUTPUT DEVICES.
7 NOV 06 2001 3.10 PC#6464 R37 75R TO 150R PC#6469 R130 4K7 TO 2K
8 NOV 29 2001 4.00 MOVED TRACES UNDER 1/4" JACKS #3921
9 D &V4.10 MOVE R24, ADD D21 AND C144, R27 FROM 47R TO 100R.
10 MAR/27/2002 V4.10 CHANGE R208 3K TO JUMPER, R204 3K T0
11 D V 47K, R206 1K TO 220R, C140 1N5 TO 2N2
12 D V AND C91 FROM 680P TO 100N.
13 D V -INVERT BOTH AMP OUTPUT WIRE COLORS-INVERT BOX
1 1-APR-2002 4.20 PC#6513 R130 2K TO R123 1K TO 470R
2 11-APR-2002 5.00 PC#6523 UPDATE TABS, REMOVE COPPER UNDER XFMR
3 23-OCT-2003 6.00 BOARD NOT USED FOR NX520P - REMOVE M1159A
4 19-FEB-2004 7.00 PC#6671 P.S. MODIFIED TO MEET CE SPACING STNDS.
5 OCT-07-2004 7.10 PC#6694 CHANGE POTS TO P32 STYLE
6 . . PC#6743 CHANGE C23, C19, C30 TO "DO NOT STUFF"
7 OCT/15/2004 8.00 UPDATE TABS FOR DS PCB'S
8 SEP-13-2005 9.00 PC#6964:INCREASE SPACING OF PADS AT POW. DIODES
9 . . PC#6979:GT:R6&R23 #4815 12R->#2038 11R FUSIBLE
10 OCT-31-2005 . PC7003:GT:R9 #4979 15K->#6104 2K2, ADD 8921 WASHER
11 APR-27-2006 . PC#7098:GT:Q14&Q15 6914 IRFP350->6967 IRFP23N50LPBF
12 AUG-16-2006 9.01 HA, PC#7136, REPLACE R77, R81 AND R82 WITH #4686
13 . . 37K4 1% 1/4W. REPLACE R78 WITH TWO #4611
1 OCT-31-2006 10.00 ROUTE TRACE FROM R22 TO R20 AROUND Q11 MOUNT
2 . . PC# 7167, ENLARGE HOLE SIZE FOR #3522
3 . . PC#7178, Updated limiter for RoHS compliance
4 . . PC#7245, CHANGE VCD PARTS VALUE, HEAD LIMITATION
5 28-MAY-2007 11.00 FIX AUTO INSERT PROGRAM
6 05-JUL-2007 12.00 FIX AUTO INSERT PROGRAM
7 06-FEB-2008 13.00 PC#7290,CE VERSION ONLY, REPLACE R157 10K #4940
8 . . WITH 3K3 #4938. REPLACE D34 AND D43 1N4148 #6825
9 . . WITH BAT85 #6733
10 . . PC#7454, ONLY FOR N.A. REMOVE C77, R128 AND R124.
11 . . BA WILL PUT 33K,470R,100N AND 10U AS SHOWN, PAGE3
12 . . PC#7398, ADD CROWBAR CIRCUIT AND CHANGE FUSE
13 . . AT THE SAME TIME SEE PRODUCTION NOTE
1 05-APR-2010 14.00 PC#7356 CHANGED SQUARE PADS TO OVAL
2 . . ADD OPTO-COUPLERS TO PCB AND REMOVED REWORKS
3 02-FEB-2011 . PC8185: CHANGE #3453 TO #4100
4 D V N
5 D V N
6 D V N
7 D V N
8 D V N
9 D V N
10 D V N
11 D V N
12 D V N
13 D V N
SEE LAYOUT DIAGRAM
M1159
MODEL(S):- EF500P
OLD
REF FUNCTION PART KNOB
P1 MAIN GAIN 4537
P2 MIC GAIN 4566
P3 BASS TONE 4546
P4 LINE GAIN 4566
R HORN TONE 4537
R F O
R F O
R F O
R F O
R F O
R F O
R F O
M1159 PENDING CHANGES
MODEL(S):-
EF500P
# PC# PENDING CHANGE
1 7244 CHANGING #4599 TO #4597 IS NOT EXECUTABLE
2 PC .
3 PC .
4 PC X
5 PC X
6 PC X
7 PC X
8 PC X
9 PC X
10 PC X
11 PC X
12 PC X
13 PC X
*PLACE IMPLEMENTED CHANGES INTO BOARD HISTORY
GG
NEW
PART KNOB
8393 4434 9916
8392 4432 9915
8394 4435 9917
8392 4432 9915
8394 4434 9916
K N K
K N K
K N K
K N K
K N K
K N K
K N K
PIN CONFIGURATION
"STYLE_P32"
"STYLE_P25"
OLD
BD139
2N5401
BD140
2N5551
IRFP9140N BD237
BD238 MPSA06
IRFP23N50L
MJE270
BDX54B-54C MPSA13
MJE271
BDX53B-53C MPSA43
MJE340
MPSA56
MJE350
MPSA63
MPSA92
E B C
G D S E C B
B C E
TO-126 TO-92
TO-247 TO-220
NEW
BC550C
J109
BC560C
2N5638
C B E
D S G
TO-92
TO-92