YORKVILLE
NAME:
PCB#&VER:
MODELS:
SCH ISSUE:
TITLE:
DATE:
M510
BASS-MASTER_50
BM50.SCH
DEC/09/97
BASS_AMP_BM50
3.50
100U
25V
C28
68U
25V
C18
100U
25V
C27
100N
C12
10K
R41
WC6
680R
R106
BC560
Q2
3K3
R16
2K2
R3
22U
16V
C16
2K2
R18
47K
R17
33N
C14
22K
R15
BC560
Q1
10K
R12
100K
R13
1K8
R14
2K2
R19
680P
C15
BD139
Q4
15P
C19
4U7
10V
C17
1K
0.5W
R39
3K3
R20
680R
R21
10K
R23
15K
R24
270R
R22
47R
R25
680P
C20
100N
C21
12R
R26
BC550C
Q3
BDV65B
Q5
100R
5W
R31
10N
C23
12R
R27
BDV64B
Q6
0R27
5W
R28
0R27
5W
R29
680P
C22
1K5
R37
22R
0.5W
R30
1N5402
D1
1N5402
D2
16V
5246B
ZD2
4n7
C30
16V
5246B
ZD3
120Vac
60Hz
1309
T1
16V
33U
C4
SW1
2200U
40V
C26
22n
C32
2200U
40V
C25
4A-FB
F2
4A-FB
F3
1K
0.5W
R38
RED
LD1
1K5
R35
1N5402
D3
1N5402
D4
S
R
T
LINE_OUT
NO-GOLD
J4
1
2
3
4
5
6
10
9
8
7
6
5
4
3
2
1
#
DESCRIPTION OF CHANGE
VER#
DATE
MODEL(S):-
D
D
D
D
D
D
DEC/09/97
JUN/01/95
MAY/01/95
MAR/30/95
V
V
V
V
V
V
3.50
3.40
3.30
3.20
N
N
N
N
N
N
REBADGED_AS_BASSMASTER_50
PC#4801_ADD_10p_ACROSS_R17
PC#4781)D6/D7_BAV21->1N4004
PRIMARY_FUSE_0.6ASB->0.8ASB
BM50
M510.SCH_DATABASE_HISTORY
100R
R4
16V
10U
C5
4N7
C1
1/2
TLO72
U2
2
3
1
680P
C2
10U
16V
C6
10K
R1
330P
C3
270R
R11
S
R
T
INPUT
GOLD-T
J1 1
2
3
4
5
6
1/2
TLO72
U1
2
3
1
680R
R5
100P
C59
1M
R2
100N
C56
22K
R43
1/2
TLO72
U2
6
5
7
2K2
R105
22K
R110
3N3
C57
1K
R109
100N
C58
22K
R108
D11
D12
CW
MID
50K
B
P3
15K
R6
3K3
R9
3K3
R45
CW
50K
B
P4
1K5
R36
15K
R7
3K3
R10
3K3
R46
22N
C7
6N8
C9
680P
C11
2K2
R40
6N8 C8
1M
R42
22V
5251B
ZD4
D8
2U2
25V
C31
1U
25V
C29
10p
1N4004
D6
D10
D9
2N5638
Q7
TP2
TP1
0.8A-SB
F1
47K
R8
680P
C10
1/2
TLO72
U1
6
5
7
100K
R44
100P
C33
CW
50K
B
P2
#7337
10"4R-50W
SPKR1
22K
R107
S
R
T
PHONES
GOLD_S
J5
1
2
3
4
5
6
100N
C13
CW
GAIN
10K
5C
P1
1N4004
D7
BDV65B
BDV64B
B C E
ECB
BD139
DSG
2N5638
BC550C
CBE
BC560C
AG
AG
AG
AG
AG
AG
AG
AG
AG
AG
AG
-33VDC
-33VDC
+16V
+16V
+16V
-16V
-16V
-16V
+33VDC
+33VDC
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
BASS
TREBLE
POLY
TP1 AND TP2 WITH AMP COLD
2 TO 4mV IS ACROSS
THE 50B BY A.WILSON AND C.CHIU
NOTE: ALL UNMARKED DIODES 1N4148
CUT OUT R23, R24 UNTIL
WHITE
GREEN
BLACK
YORKVILLE
NAME:
PCB#&VER:
MODELS:
SCH ISSUE:
TITLE:
DATE:
M510
BASS-MASTER_50
BM50E.SCH
DEC/09/97
BASS_AMP_BM50E
3.50
100U
25V
C28
68U
25V
C18
100U
25V
C27
100N
C12
10K
R41
WC6
680R
R106
BC560
Q2
3K3
R16
2K2
R3
22U
16V
C16
2K2
R18
47K
R17
33N
C14
22K
R15
BC560
Q1
10K
R12
100K
R13
1K8
R14
2K2
R19
680P
C15
BD139
Q4
15P
C19
4U7
10V
C17
1K
0.5W
R39
3K3
R20
680R
R21
10K
R23
15K
R24
270R
R22
47R
R25
680P
C20
100N
C21
12R
R26
BC550C
Q3
BDV65B
Q5
100R
5W
R31
10N
C23
12R
R27
BDV64B
Q6
0R27
5W
R28
0R27
5W
R29
680P
C22
1K5
R37
22R
0.5W
R30
1N5402
D1
1N5402
D2
16V
5246B
ZD2
16V
5246B
ZD3
230Vac
50Hz
1206
T1
16V
33U
C4
SW1
2200U
40V
C26
22n
C32
2200U
40V
C25
4A-FB
F2
4A-FB
F3
1K
0.5W
R38
RED
LD1
1K5
R35
1N5402
D3
1N5402
D4
S
R
T
LINE_OUT
NO-GOLD
J4
1
2
3
4
5
6
10
9
8
7
6
5
4
3
2
1
#
DESCRIPTION OF CHANGE
VER#
DATE
MODEL(S):-
D
D
D
D
D
D
DEC/09/97
JUN/01/95
MAY/01/95
MAR/30/95
V
V
V
V
V
V
3.50
3.40
3.30
3.20
N
N
N
N
N
N
REBADGED_AS_BASSMASTER_50
PC#4801_ADD_10p_ACROSS_R17
PC#4781)D6/D7_BAV21->1N4004
PRIMARY_FUSE_0.6ASB->0.8ASB
BM50E
M510.SCH_DATABASE_HISTORY
100R
R4
16V
10U
C5
4N7
C1
1/2
TLO72
U2
2
3
1
680P
C2
10U
16V
C6
10K
R1
330P
C3
270R
R11
S
R
T
INPUT
GOLD-T
J1 1
2
3
4
5
6
1/2
TLO72
U1
2
3
1
680R
R5
100P
C59
1M
R2
100N
C56
22K
R43
1/2
TLO72
U2
6
5
7
2K2
R105
22K
R110
3N3
C57
1K
R109
100N
C58
22K
R108
D11
D12
CW
MID
50K
B
P3
15K
R6
3K3
R9
3K3
R45
CW
50K
B
P4
1K5
R36
15K
R7
3K3
R10
3K3
R46
22N
C7
6N8
C9
680P
C11
2K2
R40
6N8 C8
1M
R42
22V
5251B
ZD4
D8
2U2
25V
C31
1U
25V
C29
10p
1N4004
D6
D10
D9
2N5638
Q7
TP2
TP1
T400MA
F1
47K
R8
680P
C10
1/2
TLO72
U1
6
5
7
100K
R44
100P
C33
CW
50K
B
P2
#7337
10"4R-50W
SPKR1
22K
R107
S
R
T
PHONES
GOLD_S
J5
1
2
3
4
5
6
100N
C13
CW
GAIN
10K
5C
P1
1N4004
D7
BDV65B
BDV64B
B C E
ECB
BD139
DSG
2N5638
BC550C
CBE
BC560C
AG
AG
AG
AG
AG
AG
AG
AG
AG
AG
AG
-33VDC
-33VDC
+16V
+16V
+16V
-16V
-16V
-16V
+33VDC
+33VDC
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
SG
BASS
TREBLE
BLUE
GRN/YELL
BROWN
POLY
TP1 AND TP2 WITH AMP COLD
2 TO 4mV IS ACROSS
THE 50B BY A.WILSON AND C.CHIU
NOTE: ALL UNMARKED DIODES 1N4148
CUT OUT R23, R24 UNTIL
