Page 1
WEB ACCESS: http://www.yorkville.com
WORLD HEADQUARTERS
CANADA
SERVICE MANUAL
MANUEL DE SERVICE
U.S.A.
Yorkville Sound
550 Granite Court
Pickering, Ontario
L1W-3Y8 CANADA
Voice: (905) 837-8481
Fax: (905) 837-8746
Quality and Innovation Since 1963
Printed in Canada
Yorkville Sound Inc.
4625 Witmer Industrial Estate
Niagara Falls, New York
14305 USA
Voice: (716) 297-2920
Fax: (716) 297-3689
Veuillez lire ce manuel attentivement avant d’utiliser l’appareil et le concerver pour consultations ultérieures
Before operating this unit, please read this manual thoroughly, and retain it for reference.
Printed in Canada
Revised / Révisé 09/00
s-50wk.pdf
Page 2
+16V
C35
C7
16V
100U
B
VOLUME2
SG
+16V
16V
5246B
ZD2
16V
5246B
ZD3
-16V
C33
100N
C34
100N
R43
27K
R11
10K
100K
R13
100N
C36
100N
6
5
SG
C14
68N
R12
10K
AG AG
SG
C8
47p
R44
100K
U1
TLO72
C15
680P
-16V
1/2
R54
10K
C17
10U
R20
1K
C16
680P
100U
25V
C18
TITLE:
7
1N5246B
AG
4U7 16V
C9
C37
6N8
R55
10K
C38
100N
R56
3K9
SG
AG
1
9
U4
10
AG
16V
ZD4
10K
R21
50W_MIXER_AMP
TREBLE
POLY
R22
15K
5
LM3876
48
POLY
-35VDC
R45
4K7
AG
C21
1U
37
C22
1U
R49
10K
50V
50V
1.40
C10
100N
50K
CW
BP3
BASS
BP4
CW
50K
6
5
SG
+35VDC
1N4004
D5
POLY
10R
0.5W
R25
MODEL(S):# DESCRIPTION OF CHANGEVER#DATE
1
2
3
4
5
6
7
8
9
10
R47
47K
C11
1N
C13
3N3
R50
10K
U3
1/2
TLO72
C23
40V
220N
10R
0.5W
R23
OCT/18/94
DEC/13/94
.
MAR/14/95
MAR/22/95
SEP/22/97
D
D
D
D
R46
4K7
R48
1K
C12
15P
2
3
U3
TLO72
1
1/2
LM3876T
PIN 1
SG
V+
V-
NC
OUTPUT
NC
NC(+)
7
R51
470R
J812345
EFX_SEND
SRT
NO_GOLD
6
J912345
EFX_RTN
SRT
GOLD_T
6
SG
AG
J512345
PHONES
SRT
GOLD_S
6
100R
5W
R31
4R7
0.5W
R59
C40
.
180N
4R7
0.5W
R60
SPKR1
4R
10"
#7322
R52
5W
22R
AG
M512A.SCH_DATABASE_HISTORY
50W
1.10
ADD_1K_BETWEEN_J1_J2
1.20
PC#4716_R14,R15_10K->22K_P1_50K->
.
->10K_R11_3K3->680R
1.30
PC#4691_DUAL_LINE_IP_BALANCED
.
PC#4748_FUSE_0.6ASB->0.8ASB
1.40
PC#5333_ADD_C40,R59,R60
V
N
V
N
V
N
V
N
GND
987654321
V_IN-
MUTE
SPKR2
#7415
3.75"
4R
V_IN+
11
10
NC
+16V
MIC_IN
NUTRIX
IG
CHANNEL 1
INPUT
MONO
NO_GOLD
LEFT/MONO
NO_GOLD
CHANNEL 2
INPUT
NO_GOLD
RIGHT
J6
2
3
1
J7 12345
SRT
J1 12345
SRT
SRT
J2 12345
R3
4K99
R4
4K99
6
R26
470R
R1
470R
6
6
R2
470R
D13D11
D12
562RR54K99
2
3
R6
562R
J3
1
1
J4
R27
470R
SG
EXPORT
T1
230Vac
50Hz
400V
22n
C32
#1206
SW1
F1
T400mA
BROWN
GRN/YEL
BLUE
IG
120Vac
60Hz
400V
C32
22n
#1309
SW1
C30
0.8A-SB
BLACK
4n7
250V
GREEN
WHITE
F1
2
2
T1
D14
C4
1N
R7
U2
33078
R8
4K99
RCA
RCA
1/2
C5
1N
AG
C2
100N
1
R15
47K
R14
47K
R28
20K0
R29
20K0
AG
-16V
33U 16V
C6
SG
D1
1N5402
D2
1N5402
D3
1N5402
D4
1N5402
LD1
RED
C3
100N
120R
R9
2
3
+35VDC
1K5
R35
SG
R30
36K0
U1
TLO72
R32
36K0
5C P2
C1
47P
1/2
C19
47P
C25
AG
-35VDC
10K
CW
1
2200U
C26
2200U
1K2
VOLUME1
R10
180K
6
5
U2
2u2 16V
C20
1K8
R36
1K8
R37
40V
SG
40V
R38
0.5W
R39
0.5W
1K2
1/2
33078
P1
1OK
C27
100U
C28
100U
7
CW
25V
25V
NOTE: ALL UNMARKED DIODES 1N4148
DATE:
MAY/28/98
YORKVILLE NAME: PCB#&VER:
M512A.SCH
50W
MODELS: SCH ISSUE:
M512A
Page 3
P:\512AV30.PRN
C18
100U
25V
R21
10K
16V
ZD4
J10
1U
C22
C211U
D5
FUNCTION
PART#
LM38x6
J22
1N4004
U4
J11
R13100K
C16680P
C15680P
R20 1K
16V
10u
C17
C23 220N
R22
15K
C40
180N
4R7
0.5W
4R7
0.5W
10R
0.5W
10R
0.5W
R59
R60
R25
R23
WC2 AND WC6
GREEN WIRES FOR N.A.
WC2 NO WIRE FOR S VERSION
SHEARSHEAR
WC6 GRN/YELL WIRE FOR S VERSION
N.B
PART#3545PART#3545
5W
RTV
22R
SPKR(-)
TAB8
250TAB
FUNCTION
SPKR(+)
TAB9
250TAB
FUNCTION
RED BLACK
TWEET(-)
TAB10
FUNCTION
250TAB
WHITE
R24
C7
100U
16V
D11
PART#4409
D14
4148
4148
10K
GAIN-1
33u
16V
4148
D13
4148
D12
P25C
+
J25
C6
R74K99
R9 120R
JB7
C33100N
C41N
U2 33078
R5 562R
R6 562R
MONO-IN-1
R10180K
R44K99
R3 4K99
M512A
50W
VER 3.00
M512-3.00
J26
C34100N C8
R84K99
C51N
WC6
GRN
JB6
PART#
PART#
MIC-IN-1FUNCTION
R4327K
R11 10K
GRN
R44
100K
27P
TLO72
U1
C1
C2 100n
63V
2u2
C20
B
SB10K
GAIN-2
PART#4403
47P
P1
R30
36K0
R3236K0
JB1
J16
C1947P
R28 20K0
J17
J18
J7
16V
4U7
C9
100n
C3
R29
20K0
470R
LEFT-MONO
J8
R1
R26470R
R562K7
JB2
C38150N
R1547K
R39
1K2
0.5W
R1447K
470R
RIGHT
R38
1K2
0.5W
R5510K
R5410K
J13
C376N8
R2
R27470R
ZD3
16V
15P
C12
BLK
C28
J6
100U
25V
100U
25V
C27
R49
10K
J14
C35 100N
YEL
22AWG
WC7A
ZD2
16V
TLO72
C36
100n
22AWG
ORG
WC8A
BLK
WC9A
F
WC7
22AWG
WHT RED
JB4
R361K8
YEL
WC9
#3460
R371K8
U3
F
J12
C13 3N3
J233
J24
J19
R50 10K
ORG
WC8
22AWG
10K
R12
47N
C14
R4747K
50K
PART#4406
R51
470R
J15
R464K7
B
100N
BASS
J2
R454K7
R481K
J3
J21
C25
C26
TREBLE
PART#4406
J23
RTV
40V
2200U
40V
2200U
C111N
B
50K
J1J5J9
RTV
P4
SEC_GND
JB8
100R
RTV
5W
J4
TAB5
250TAB
J20
EFX-SEND
SEC_IN
TAB6
R31
D1
BAR
DOWN
250TAB
BAR
DOWN
D3
JB9
GOLD-TIP
EFX-RTN
BAR
1N5402
BAR
1N5402
DOWN
DOWN
D4
WC2
GRN
D2
1N5402
250TAB
1N5402
R351K5
22AWG
TAB7
SEC_IN
JB5
C32
TAB1
250TAB
FUNCTION
PRIM
TRANS
WC1
WC3
GOLD-SLV
PHONE
BLK
18AWG
RTV
22N
400V
PRIM
TRANS
AC HOT AC RET
LED1
4N7
250V
250TAB
FUNCTION
250TAB
FUNCTION
250TAB
FUNCTION
#3414AC_LINE
0.8A-SB
-
+
GRN
C30
DO NOT STUFF C30
FOR S VERSION
WC1 AND WC3
BLACK 18AWG WIRES FOR N.A.
BLACK DOUBLE/INSUL. FOR S
TAB3
TAB2
TAB4
FOR S VERSION
REPLACE THIS FUSEHOLDER
WITH A BRAIDED JUMPER
F1
PART#
SWITCH
VCD
M512/M512A.PCB_DATABASE_HISTORY
MODEL(S):# DESCRIPTION OF CHANGEVER#DATE
1
DEC/13/94
2
.
3
.
4
MAR/14/95
5
.
6
.
7
.
8
OCT/02/95
9
SEP/22/97
10
D
11
D
12
D
13
D
14
D
15
D
16
D
17
D
18
D
19
D
20
D
50K-50W
1.20
.
.
2.00
.
.
.
2.00
3.00
V
V
V
V
V
V
V
V
V
V
V
PC#4716
.
.
PC#4734
PC#4691
PC#4691B
.
PC#4906
PC#5333_ADD_C40,R59,R60
N
N
N
N
N
N
N
N
N
N
N
R14,R15 FROM 10K TO 22K
P1 FROM B50K TO SB10K R11
FROM 33K TO 680R
NEW SPACING FOR C27,C28
C6,C7 TO O.2"SPACING
LINE IN JACKS TO
BALANCED INPUTS
SLDRMASK ALTERED BY R12
PRODUCTION NOTES
RTV
1
2
TWO LEGS OF ALL PHONE JACKS MUST BE BENT FLAT TO THE PCB BEFORE SOLDERING
3
4
THIS SYMBOL INDICATES WHERE RTV IS TO BE USED BETWEEN THE COMPONENT AND THE PCB
XLR CONNECTOR IS ATTACHED TO PCB WITH 2 PT#8877 4-40 X1/4" SCREWS
POP RIVET 2 #3545 BRACKETS TO PCB AS SHOWN
NOTE ORIENTATION OF POP RIVET
#3545 BRACKET
#8766 1/8 X .265 POP RIVET
PCB
SOLDER
PCB
JACK LEG
BEND
LED
GREEN
BEND
Page 4
50w parts.xls
YS No.
Description
Qty.
YS No.
Description
Qty.
6408
GRN 3MM LED 1V9 5MA FROSTED
1
4849
1/4W 180K 5% T&R RES
1
6825
1N4148 75V 0A45 DIODE T&R
4
9150
.081" 48X96 UTILITY ALUMINUM
2.2
6438
1N4004 400V 1A0 DIODE T&R
1
8877
4-40 X 1/4 FILLISTER PH MS ZN
2
6827
1N5402 200V 3A0 DIODE
4
8842
#4 X 5/16 PAN QUAD TYPE A JS500 BLK
2
6824
1N5246B 16V0 0W5 ZENER 5% T&R
3
8801
6-32 X 3/8 PAN PH TAPTITE JS500
2
6755
LM3876T IC 40 WATT POWER AMP
1
8829
6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA
2
6840
MC33078P IC DUAL OP AMP
1
8806
6-32 X 1/2 PAN PH TAPTITE JS500
2
6882
TL072CP IC FET DUAL OP AMP
2
8823
6-32 X 1 PAN PH TAPTITE JS500
3
5402
_15P 100V 10%CAP T&R BEAD NPO
1
8763
8-32 X 1/2 PAN PH MS JS500 BLACK
2
5404
_27P 100V 10%CAP T&R BEAD NPO
1
3741
.5 SPACER ID-.171 OD-.25 #912-500
3
5408
_47P 100V 10%CAP T&R BEAD NPO
2
3511
#6 FLAT WASHER NYLON
1
5420
680P 50V 10%CAP T&R BEAD NPO
2
8817
#10 FLAT WASHER FOR 3/16" BOLT
2
5422
__1N 50V 10%CAP T&R BEAD NPO
3
3702
DPST ROKR SW 187" AC PWR SEMKO
1
5428
__3N3 50V 10%CAP T&R BEAD Y5R
1
1309
BLOC-40B/40K/40W/50B XFMR
1
6451
__4N7 250V 20%CAP BLK 'Y' 10MM AC
1
5376
__6N8 50V 5%CAP T&R BEAD X7R
1
6435
_22N 275V 20%CAP BLK 'X2' 15MM AC
1
5308
_47N 50V 10%CAP T&R BEAD X7R
1
5314
100N 50V 10%CAP T&R BEAD X7R
7
5316
150N 50V 10%CAP T&R BEAD X7R
1
5317
180N 50V 10%CAP T&R BEAD X7R
1
5231
220N 63V 10%CAP T&R RAD .2"FLM
1
5256
__1U 63V 5%CAP T&R RAD .2"FLM
2
5257
__2U2 63V 20%CAP T&R RAD .2"EL
1
5259
__4U7 63V 20%CAP T&R RAD .2"EL
1
5281
_10U 16V 20%CAP T&R RAD .2"NP
1
5961
_33U 16V 20%CAP T&R RAD .2"NP
1
5267
100U 25V 20%CAP T&R RAD .2"EL
4
5887
2200U 50V 20%CAP BLK 18X27MM EL
2
4403
_10K 5B LIN 16MM P14
1
4409
_10K 5C R/A 16MM P14
1
4406
_50K 5B LIN 16MM P14
2
3682
250 MALE PCB TAB BULK CARTRIGE
10
3498
1/4" JCK PCB MT HORZ
4
3523
1/4" JCK PCB MT HORZ GOLD T__
1
3527
1/4" JCK PCB MT HORZ GOLD __S
1
3460
RCA DUAL PCB MT VERT GOLD .475"
1
3657
XLR FEML PCB MT HORZ NO SHELL
1
3451
EYELET SMALL 0.089 OD PLATED
10
3414
INTERNATIONAL PC MOUNT FUSEHOLDER
2
2468
0.800 AMP SLO-BLO .25X1.25 FUSE
1
2462
T400MA 5X20MM FUSE
1
3563
TRANSISTOR MOUNTING BRACKET
1
3800
BELLY BUTTON #BB1 CORDS CANADA
1
3804
SNAP ON 1.5" INSULATING BUSHING
1
3545
ANGLE BRACKET .5" X .5" X .5"
2
3438
230 AC RECEPTACLE FUSE & 250 TABS
1
3795
#8 GROUND LUG ZIERICK 505-169
2
3810
4" NYLON CABLE TIE
5
8486
M3.5 EURO SPRING TOOTH LOCKWASHER
2
8735
0.125 X 0.190 ALUMINUM RIVET
2
8693
S ROTARY KNOB GREY
4
3474
6' 3X.075MM AC LINE CORD EURO-REMOV
1
8800
6-32 KEPS NUT ZINC
9
8787
8-32 KEPS NUT ZINC
2
8898
1/4-20 CAGE NUT C7998142027
4
3830
TO218 PREGREASED MICA 56-78-2AP
1
4597
22AWG STRAN TC WIR JMP
7
4599
22AWG SOLID SC WIR T&R JMP
24
4666
1/2W 4R7 5% T&R RES
2
4675
1/2W 10R 5% T&R RES
2
4709
5.0W 22R 5% BLK RES
1
4692
5.0W 100R 5% BLK RES
1
4897
1/4W 120R 5% T&R RES
1
4821
1/4W 470R 5% T&R RES
5
4799
1/4W 562R 1% T&R RES
2
4823
1/4W 1K 5% T&R RES
2
4654
1/2W 1K2 5% T&R RES
2
4824
1/4W 1K5 5% T&R RES
1
4825
1/4W 1K8 5% T&R RES
2
4864
1/4W 2K7 5% T&R RES
1
4827
1/4W 4K7 5% T&R RES
2
4639
1/4W 4K99 1% T&R RES
4
4829
1/4W 10K 5% T&R RES
7
4830
1/4W 15K 5% T&R RES
1
6123
1/4W 20K0 1%MINI MF T&R RES
2
4833
1/4W 27K 5% T&R RES
1
4767
1/4W 36K0 1%FLAME PROOF T&R RES
2
4834
1/4W 47K 5% T&R RES
3
4838
1/4W 100K 5% T&R RES
x
Page 5
+16V
C35
C7
16V
100U
B
VOLUME2
SG
+16V
16V
5246B
ZD2
16V
5246B
ZD3
-16V
C33
100N
C34
100N
R43
27K
R11
10K
100K
R13
100N
C36
100N
6
5
SG
C14
68N
R12
10K
AG AG
SG
C8
47p
R44
100K
U1
C15
680P
1/2
TLO72
100U
25V
-16V
7
R54
10K
C38
100N
R56
3K9
C17
10U
R20
1K
C16
680P
1N5246B
C18
AG
TITLE:
4U7 16V
C9
C37
6N8
SG
AG
AG
16V
ZD4
R45
4K7
TREBLE
R55
10K
C21
POLY
1U
AG
R22
1
15K
9
5
37
U4
10
LM3876
48
POLY
10K
R21
C22
1U
-35VDC
50K_MIXER_AMP
BASS
BP4
CW
50K
R49
10K
50V
1N4004
50V
1.40
SG
+35VDC
POLY
C10
100N
50K
R46
CW
C11
1N
R50
4K7
C39
R47
47K
C13
1N5
4K7
R57
4K7
BP3
100N
R58
2K2
SG
6
5
U3
1/2
TLO72
D5
5W
C23
40V
220N
10R
10R
0.5W
0.5W
R23
R25
MODEL(S):# DESCRIPTION OF CHANGEVER#DATE
1
OCT/18/94
2
DEC/13/94
3
.
4
MAR/14/95
5
MAR/22/95
6
SEP/22/97
7
D
8
D
9
D
10
D
C12
15P
2
R48
1K
3
U3
TLO72
1
1/2
LM3876T
PIN 1
SG
V+
V-
NC
OUTPUT
NC(+)
R51
470R
7
J812345
EFX_SEND
SRT
NO_GOLD
6
J912345
EFX_RTN
SRT
GOLD_T
6
SG
AG
J512345
PHONES
SRT
GOLD_S
6
100R
R31
4R7
0.5W
R59
C40
.
180N
4R7
0.5W
R60
SPKR1
4R
10"
#7322
R52
5W
22R
AG
M512.SCH_DATABASE_HISTORY
50K
1.10
ADD_1K_BETWEEN_J1_J2
1.20
PC#4716_R14,R15_10K->22K_P1_50K->
.
->10K_R11_3K3->680R
1.30
PC#4691_DUAL_LINE_IP_BALANCED
.
PC#4748_FUSE_0.6ASB->0.8ASB
1.40
PC#5333_ADD_C40,R59,R60
V
N
V
N
V
N
V
N
987654321
11
10
NC
NC
GND
V_IN+
V_IN-
MUTE
SPKR2
#7415
3.75"
4R
+16V
MIC_IN
NUTRIX
IG
CHANNEL 1
INPUT
MONO
NO_GOLD
LEFT/MONO
NO_GOLD
CHANNEL 2
INPUT
NO_GOLD
RIGHT
J6
2
3
1
J7 12345
SRT
J1 12345
SRT
SRT
J2 12345
R3
4K99
R4
4K99
6
R26
470R
R1
470R
6
6
R2
470R
D13D11
D12
562RR54K99
2
3
R6
562R
J3
1
1
J4
R27
470R
SG
EXPORT
T1
230Vac
50Hz
400V
22n
C32
#1206
SW1
F1
T400mA
BROWN
GRN/YEL
BLUE
IG
120Vac
60Hz
400V
C32
22n
#1309
SW1
C30
0.8A-SB
BLACK
4n7
250V
GREEN
WHITE
F1
2
2
T1
D14
C4
1N
R7
U2
33078
R8
4K99
RCA
RCA
1/2
C5
1N
AG
C2
100N
1
R15
47K
R14
47K
R28
20K0
R29
20K0
AG
-16V
33U 16V
C6
SG
D1
1N5402
D2
1N5402
D3
1N5402
D4
1N5402
LD1
RED
C3
100N
120R
R9
2
3
+35VDC
1K5
R35
SG
R30
36K0
U1
TLO72
R32
36K0
5C P2
C1
47P
1/2
C19
47P
C25
AG
-35VDC
10K
CW
1
2200U
C26
2200U
1K2
VOLUME1
180K
6
5
U2
2u2 16V
C20
1K8
R36
1K8
R37
40V
SG
40V
R38
0.5W
R39
0.5W
1K2
R10
33078
1/2
1OK
C27
100U
C28
100U
7
P1
CW
25V
25V
EXPORT FOR JAPAN
100Vac
50Hz
#1209J
DATE:
MAY/28/98
YORKVILLE NAME: PCB#&VER:
M512.SCH
MODELS: SCH ISSUE:
NOTE: ALL UNMARKED DIODES 1N4148
50K
M512
Page 6
P:\512V30.PRN
PT#7415PT#7322
WC2 AND WC6
GREEN WIRES FOR N.A.
WC2 NO WIRE FOR S VERSION
SHEARSHEAR
WC6 GRN/YELL WIRE FOR S VERSION
C7
100U
16V
PART#4409
D14
4148
4148
D11
10K
GAIN-1
33u
16V
4148
D13
4148
D12
P25C
+
J25
C6
R74K99
R9 120R
JB7
C33100N
C41N
U2 33078
R5 562R
R6 562R
MONO-IN-1
M512
50K
VER 3.00
M512-3.00
J26
R10180K
C34100N C8
R84K99
C51N
R44K99
WC6
GRN
R3 4K99
PART#
PART#
MIC-IN-1FUNCTION
JB6
GRN
R4327K
R11 10K
R44
100K
47P
TLO72
U1
C1
C2 100n
63V
2u2
C20
B
SB10K
GAIN-2
PART#4403
47P
P1
R30
36K0
R3236K0
JB1
J16
C1947P
R28 20K0
J17
J18
J7
16V
4U7
C9
100n
C3
R29
20K0
470R
LEFT-MONO
C18
100U
25V
J8
R1
R26470R
R21
R563K9
10K
C38100N
JB2
16V
ZD4
R1547K
J10
1U
R39
1K2
0.5W
R1447K
470R
RIGHT
C22
R38
1K2
0.5W
R5510K
R5410K
C211U
D5
J13
C376N8
R2
R27470R
FUNCTION
PART#
LM38x6
J22
1N4004
J6
ZD3
16V
J14
15P
C12
YEL
22AWG
WC7A
BLK
C28
100U
25V
100U
25V
C27
R49
10K
C35 100N
U4
ZD2
16V
TLO72
C36
100n
22AWG
ORG
WC8A
BLK
WC9A
F
WC7
22AWG
WHT RED
JB4
C16680P
J11
R361K8
WC9
#3460
R371K8
U3
YEL
F
C15680P
R13100K
J233
R20 1K
J12
J24
R57 4K7
C13 1N5
ORG
WC8
22AWG
16V
10u
C17
C23 220N
R50 4K7
C39 100N
R22
15K
10K
R12
68N
C14
R4747K
R58 2K2
50K
PART#4406
C40
R51
470R
J15
R464K7
100N
BASS
180N
BLACK
J2
R454K7
B
R481K
4R7
0.5W
4R7
0.5W
10R
0.5W
10R
0.5W
J3
J21
R59
R60
R25
R23
C25
C26
TREBLE
PART#4406
J23
RTV
40V
2200U
40V
2200U
C111N
B
50K
J1J5J9
RTV
P4
PART#3545PART#3545
SPKR(-)
TAB8
250TAB
FUNCTION
RTV
J4
TAB5
250TAB
SEC_GND
JB8
EFX-SEND
RED
BLUE
100R
5W
J20
SPKR(+)
TAB9
250TAB
FUNCTION
RED BLACK
SEC_IN
TAB6
RTV
TWEET(-)
R31
D1
BAR
DOWN
250TAB
BAR
DOWN
D3
JB9
GOLD-TIP
EFX-RTN
5W
22R
TAB10
FUNCTION
250TAB
WHITE
BAR
1N5402
BAR
1N5402
DOWN
DOWN
D4
WHITE
R24
WC2
GRN
D2
1N5402
250TAB
1N5402
R351K5
22AWG
TAB7
SEC_IN
JB5
C32
TAB1
250TAB
FUNCTION
PRIM
TRANS
WC1
WC3
GOLD-SLV
PHONE
BLK
18AWG
RTV
22N
400V
PRIM
TRANS
AC HOT AC RET
LED1
250V
250TAB
FUNCTION
250TAB
FUNCTION
250TAB
FUNCTION
#3414AC_LINE
0.8A-SB
-
+
GRN
N.B
C30
DO NOT STUFF C30
4N7
FOR S VERSION
WC1 AND WC3
BLACK 18AWG WIRES FOR N.A.
BLACK DOUBLE/INSUL. FOR S
TAB3
TAB2
TAB4
FOR S VERSION
REPLACE THIS FUSEHOLDER
WITH A BRAIDED JUMPER
F1
PART#
SWITCH
M512/M512A.PCB_DATABASE_HISTORY
MODEL(S):# DESCRIPTION OF CHANGEVER#DATE
1
DEC/13/94
2
.
3
MAR/14/95
4
.
5
.
6
OCT/02/95
7
SEP/22/97
8
D
9
D
10
D
11
D
50K-50W
1.20
.
2.00
.
.
.
3.00
V
V
V
V
PC#4716_R14,R15_10K->22K
P1_B50K->SB10K_R11_33K->680R
PC#4734_NEW_SPACING_C27,C28
PC#4691_C6,C7_TO_0.2"_SPACING
PC#4691B_LINE_IN_TO_BALANCED_INPUTS
PC#4906_ALTER_SOLDRMASK_BY_R12
PC#5333_ADD_C40,R59,R60
N
N
N
N
VCD
M512/A.PCB_POT_LIST
MODEL(S):-
P1
P2
P3
P4
R
R
GAIN/2
GAIN/1
BASS
TREBLE
F
F
50K-50W
KNOBPART#FUNCTIONREF
#4403
#4409
#4406
#4406
P
P
#8693
#8693
#8693
#8693
K
K
AS_OF
JAN/2000
.
.
.
N
N
STYLE
"P14"
RTV
1
2
3
4
THIS SYMBOL INDICATES WHERE RTV IS TO BE USED BETWEEN THE COMPONENT AND THE PCB
XLR CONNECTOR IS ATTACHED TO PCB WITH 2 PT#8877 4-40 X1/4" SCREWS
TWO LEGS OF ALL PHONE JACKS MUST BE BENT FLAT TO THE PCB BEFORE SOLDERING
POP RIVET 2 #3545 BRACKETS TO PCB AS SHOWN
#3545 BRACKET
#8766 1/8 X .265 POP RIVET
PRODUCTION NOTES
PCB
NOTE ORIENTATION OF POP RIVET
LED
GREEN
JACK LEG
BEND
SOLDER
PCB
BEND
Page 7
YS No.
Description
Qty.
YS No.
Description
Qty.
6408
GRN 3MM LED 1V9 5MA FROSTED
1
9150
.081" 48X96 UTILITY ALUMINUM
2.13
6825
1N4148 75V 0A45 DIODE T&R
4
8842
#4 X 5/16 PAN QUAD TYPE A JS500 BLK
2
6438
1N4004 400V 1A0 DIODE T&R
1
8801
6-32 X 3/8 PAN PH TAPTITE JS500
2
6827
1N5402 200V 3A0 DIODE
4
8829
6-32 X 3/8 FLAT PH TAPTITE BO#4 HEA
4
6824
1N5246B 16V0 0W5 ZENER 5% T&R
3
8806
6-32 X 1/2 PAN PH TAPTITE JS500
2
6755
LM3876T IC 40 WATT POWER AMP
1
8823
6-32 X 1 PAN PH TAPTITE JS500
3
6840
MC33078P IC DUAL OP AMP
1
8763
8-32 X 1/2 PAN PH MS JS500 BLACK
2
6882
TL072CP IC FET DUAL OP AMP
2
3741
.5 SPACER ID-.171 OD-.25 #912-500
3
5402
_15P 100V 10%CAP T&R BEAD NPO
1
3511
#6 FLAT WASHER NYLON
1
5408
_47P 100V 10%CAP T&R BEAD NPO
3
8817
#10 FLAT WASHER FOR 3/16" BOLT
2
5420
680P 50V 10%CAP T&R BEAD NPO
2
3702
DPST ROKR SW 187" AC PWR SEMKO
1
5422
__1N 50V 10%CAP T&R BEAD NPO
3
1309
BLOC-40B/40K/40W/50B XFMR
1
5424
__1N5 50V 10%CAP T&R BEAD Y5P
1
6451
__4N7 250V 20%CAP BLK 'Y' 10MM AC
1
5376
__6N8 50V 5%CAP T&R BEAD X7R
1
6435
_22N 275V 20%CAP BLK 'X2' 15MM AC
1
5310
_68N 50V 10%CAP T&R BEAD X7R
1
5314
100N 50V 10%CAP T&R BEAD X7R
9
5317
180N 50V 10%CAP T&R BEAD X7R
1
5231
220N 63V 10%CAP T&R RAD .2"FLM
1
5256
__1U 63V 5%CAP T&R RAD .2"FLM
2
5257
__2U2 63V 20%CAP T&R RAD .2"EL
1
5259
__4U7 63V 20%CAP T&R RAD .2"EL
1
5281
_10U 16V 20%CAP T&R RAD .2"NP
1
5961
_33U 16V 20%CAP T&R RAD .2"NP
1
5267
100U 25V 20%CAP T&R RAD .2"EL
4
5887
2200U 50V 20%CAP BLK 18X27MM EL
2
4403
_10K 5B LIN 16MM P14
1
4409
_10K 5C R/A 16MM P14
1
4406
_50K 5B LIN 16MM P14
2
3682
250 MALE PCB TAB BULK CARTRIGE
10
3498
1/4" JCK PCB MT HORZ
4
3523
1/4" JCK PCB MT HORZ GOLD T__
1
3527
1/4" JCK PCB MT HORZ GOLD __S
1
3460
RCA DUAL PCB MT VERT GOLD .475"
1
3657
XLR FEML PCB MT HORZ NO SHELL
1
3451
EYELET SMALL 0.089 OD PLATED
10
3414
INTERNATIONAL PC MOUNT FUSEHOLDER
2
2468
0.800 AMP SLO-BLO .25X1.25 FUSE
1
2462
T400MA 5X20MM FUSE
1
3563
TRANSISTOR MOUNTING BRACKET
1
3800
BELLY BUTTON #BB1 CORDS CANADA
1
3804
SNAP ON 1.5" INSULATING BUSHING
1
3545
ANGLE BRACKET .5" X .5" X .5"
2
3438
230 AC RECEPTACLE FUSE & 250 TABS
1
3795
#8 GROUND LUG ZIERICK 505-169
2
3810
4" NYLON CABLE TIE
5
8486
M3.5 EURO SPRING TOOTH LOCKWASHER
2
8735
0.125 X 0.190 ALUMINUM RIVET
2
8693
S ROTARY KNOB GREY
4
3474
6' 3X.075MM AC LINE CORD EURO-REMOV
1
8800
6-32 KEPS NUT ZINC
8
8787
8-32 KEPS NUT ZINC
2
8898
1/4-20 CAGE NUT C7998142027
4
3830
TO218 PREGREASED MICA 56-78-2AP
1
4597
22AWG STRAN TC WIR JMP
7
4599
22AWG SOLID SC WIR T&R JMP
23
4666
1/2W 4R7 5% T&R RES
2
4675
1/2W 10R 5% T&R RES
2
4709
5.0W 22R 5% BLK RES
1
4692
5.0W 100R 5% BLK RES
1
4897
1/4W 120R 5% T&R RES
1
4821
1/4W 470R 5% T&R RES
5
4799
1/4W 562R 1% T&R RES
2
4823
1/4W 1K 5% T&R RES
2
4654
1/2W 1K2 5% T&R RES
2
4824
1/4W 1K5 5% T&R RES
1
4825
1/4W 1K8 5% T&R RES
2
4847
1/4W 2K2 5% T&R RES
1
4850
1/4W 3K9 5% T&R RES
1
4827
1/4W 4K7 5% T&R RES
4
4639
1/4W 4K99 1% T&R RES
4
4829
1/4W 10K 5% T&R RES
6
4830
1/4W 15K 5% T&R RES
1
6123
1/4W 20K0 1%MINI MF T&R RES
2
4833
1/4W 27K 5% T&R RES
1
4767
1/4W 36K0 1%FLAME PROOF T&R RES
2
4834
1/4W 47K 5% T&R RES
3
4838
1/4W 100K 5% T&R RES
2
4849
1/4W 180K 5% T&R RES
1
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