YORKVILLE YBA300, Руководство по обслуживанию

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Filename:
PCB# Sheet 2 1
Product
Date: Rev: YsType:YsType
M1301V04sch.sch2006
M1301
Tue Apr 19, 2016
PRE-AMP
V04
YBA300
IG
IG
GND
FDBK-
GND
2R
GND
-12V
+12V
GND
1/
4W 1K54
R17
.
GND
4R
2R
GND
1/
4W 47K
R40
.
-12V
-12V
+12V
1/
4W 6K2
R39
.
GND
GND
1/
2W 18R
R63
.
1/
2W 18R
R64
.
1/
2W 18R
R65
.
BR
ITE
+
12V
-12V
+12V
NET00101
PSGND
PSGND
5
6 W7:E
NET00074
NET00030
3
6 W7:C
STANDBY
1
6 W7:A
C33
63V 100N
2
2 W2_:B
#3056 Cable
1
2 W2:A
GND
V1A_PL
C19
100V 22N
C18
100V 22N
C16
400V 2N2
GAIN
5
6 W11:E
3
6 W11:C
1
6 W11:A
5
6 W10:E
3
6 W10:C
1
6 W10:A
-Screen
C2
100V 3N3
8
8 W1:H
6
8 W1:F
5
8 W1:E
3
8 W1:C
1
8 W1:A
3
4 W5:C
1
4 W5:A
8R
C37
250V 330N
+12V
C7
63V 330N
C40
50V 100N
BEAD
R74
1/4W
.
20K
DI-PRE
C11
63V 330N
-12V
+12V
DI_+
6
12 W8_:F
9
12 W8_:I
4
12 W8_:D
1
12 W8_:A
RNG_IN
GND
6
12 W8:F
9
12 W8:I
4
12 W8:D
1
12 W8:A
4
6 W7:D
6
6 W7:F
2
6 W7:B
GND
1
2 W2_:A
2
2 W2:B
1
4
5
3
2
RING
L
O
INP
U
T
J10
1
4
5
3
2
RING
HI INP
U
T
J9
5
4
9
2X_TRIODE_HCT
12.6V
V3:C
R26
1/4W
.
20K
T B M
4424
P6:A 100K
1B
MASTER
1/
4W 4K7
R62
.
1/
4W 1K54
R16
.
1/
4W 113K
R19
.
1/
4W 113K
R2
.
1/
4W 1M
R31
.
GND
1/
4W 1M
R30
.
GND
In
Com
Out
S6:B
RESONANCE
3436
.
R76
1/4W
.
47K
R75
1/4W
.
47K
1/
4W 100K
R4
.
PREOUT
1/
4W 91K
R22
.
R20
1/4W
.
150K
5
4
9
2X_TRIODE_HCT
12.6V
V6:C
1/
4W 1K
R25
.
1/
4W 1K
R24
.
6
6 W11:F
2
6 W11:B
4
6 W11:D
2.
0W 220K
R29
10MM
2.
0W 220K
R28
10MM
FDBK+
1/
4W 1M
R11
.
1/
4W 113K
R3
.
6
6 W10:F
2
6 W10:B
4
6 W10:D
LD4
Operate
RED
6398
PSGND
To M1297
Power PCB
1/
4W 113K
R18
.
C6
250V 220N
+Plate
B+
+Screen
-Plate
1/
4W 47K
R1
.
100N
63V C26
7
8 W1:G
4
8 W1:D
FIL-
2
8 W1:B
2
3
4
1
4096
GND
R68
5.0W
.
390R
R69
5.0W
.
390R
R32
1/4W
.
10K
R70
1/4W
.
10K
C4
250V 4N7
C12
63V 100N
R23
1/4W
.
390K
63V
C25
100N
LVGND
4
4 W5:D
2
4 W5:B
8R
R78
2.0W
.
3R9
-12V
1
2
-
3
+
U2:A
MC33078P
C21
100V 10N
R77
1/4W
MINI
133K
R35
1/4W
MINI
82K
GND
C9
100V 15N
1/
4W 10K
R14
.
50V
BEAD
100N
C41
In
Com
Out
S4:B
3436
. DI Pre/Post
8
V+
4
V-
U5:C
C10
250V 4N7
T B D
4466
P4:A 100K
5C R/A
Frequency
T B D
4466
P4:B
100K
5C R/A
Frequency
1/
4W 75K
R38
.
R47
1/4W
.
20K
C36
100V 330P
R46
1/4W
.
1K
8
V+
4
V-
U4:C
R41
1/4W
.
20K
50V
C29
22U
4148
D1
AMP_OUT
C23
50V 22U
R45
1/8W
FLMP
681R
C24
50V 22U
50V
C27
22U
11
12 W8_:K
10
12 W8_:J
12
12 W8_:L
5
12 W8_:E
7
12 W8_:G
8
12 W8_:H
2
12 W8_:B
3
12 W8_:C
1/
4W 20K
R61
.
R53
1/4W
.
220K
R54
1/4W
.
220K
8
12 W8:H
7
12 W8:G
5
12 W8:E
12
12 W8:L
11
12 W8:K
10
12 W8:J
2
12 W8:B
3
12 W8:C
GND
GND
R55
1/4W
.
2K2
IG
1/
4W 47K
R73
.
8
V+
4
V-
U3:C
1/
4W 20K
R27
.
In
Com
Out
S6:A
. RESONANCE
3436
400V
C15
2N2
C28
16V 33U
R67
1/4W
.
470K
7
8
6
9pin
V5:B
12AX7
2X_TRIODE_HCT
Splitter
2
3
1
9pin
V5:A
12AX7
2X_TRIODE_HCT
Splitter
1/
2W 18R
R66
.
T
B
M
15A
P3:A
4425
500K
Gain
200V
C34
220P
LD5
Standby
YEL
6399
5
4
2
1
3
4163-
PLUG
V2
B_
K
PSGND
R12
1/4W
.
10K
X31 X32
8
V+
4
V-
U2:C
R8
1/4W
.
4K7
T
B
M
1B
P5:A
4424
100K
MID
In Com Out
S4:A
. DI Pre/Post
3436
R49
1/4W
.
20K
R42
1/8W
FLMP
681R
C35
100V 330P
1/
4W 20K
R60
.
1/
4W 4K7
R71
.
50V
C30
22U
5
6 W7_:E
3
6 W7_:C
1
6 W7_:A
C32
16V 100U
C31
16V 100U
C17
400V 2N2
PREOUT
GND
FDBK-
NGRID
+225V
SPLITTER
LOW+
STANDBY
C1
100V 18N
DI_-
C8
63V 330N
+12V
-12V
FDBK-
GND
GND
AMP_OUT
RNG_IN
6
6 W7_:F
4
6 W7_:D
5
4
9
2X_TRIODE_HCT
12.6V
V5:C
5
4
9
2X_TRIODE_HCT
12.6V
V4:C
2
6 W7_:B
7
6
-
5
+ U3:B
MC33078P
R57
1/4W
.
220R
100N
C39
63V
RAD .2in
1
2
-
3
+
U3:A
MC33078P
R58
1/4W
MINI
1K0
1/
4W 1M
R13
.
C13
100V 10N
2
3
1
9pin
V3:A
12AX7
2X_TRIODE_HCT
Pre-amp
400V
C14
1N
C5
250V 220N
In
Com
Out
S1:A
{FunctionR} DEEP
3436
GAIN
In
Com
Out
S2:B
{FunctionR} BRITE
3436
R5
1/4W
.
220K
R21
1/4W
.
150K
FDBK+
BRITE
W3
CHASSIS GND
GRN
PSGND
PGRID
TO M1297
POWER AMP PCB
R52
1.0W
Mini
1K
LVGND
4
4 W16:D
1
4 W16:A
3
4 W16:C
2
4 W16:B
2.
0W 36K
R34
.
2.
0W 36K
R36
.
2.
0W 36K
R33
.
C38
63V 100N
RAD .2in
T B
M
4425
P2:A
500K
15A
Treble
R9
1/4W
.
4K7
2+
2_
6956
SPEAKON 4C H
SPEAKER OUT
J8:B
8
V+
4
V-
U1:C
R44
1/8W
FLMP
681R
R48
1/4W
.
20K
1
2
-
3
+ U1:A
MC33078P
2
6
1 3
5
4
S T R
-
- -
Speaker Out
J6
L
C R
S5:A
3424
4 Ohm 2 Ohm
L C R
4 Ohm
S5:B
3424
2 Ohm
1
2
-
3
+
U5:A
MC33078P
7
6
-
5
+
U4:B
MC33078P
R7
1/4W
.
6K8
TIP_IN
C20
50V 22U
In Com Out
S3:B
{FunctionR} GND LIFT
3436
FDBK+
DI-PRE
TIP_IN
R43
1/8W
FLMP
681R
R51
1/4W
.
220R
7
8
6
9pin
V3:B
12AX7
2X_TRIODE_HCT
Pre-amp
In
Com
Out
S1:B
{FunctionR} DEEP
3436
In
Com
Out
S2:A
{FunctionR} BRITE
3436
1/
4W 47K
R72
.
2
3
1
9pin
V6:A
12AU7
2X_TRIODE_HCT
Driver
7
8
6
9pin
V6:B
12AU7
2X_TRIODE_HCT
Driver
BLU
BLU/YEL
RED
BRN/YEL
BRN
1411M
GRN
YEL
WHT
BLK
1411M
2.
0W 36K
R37
.
NC
COM
NO UP
DOWN
6544
S7:A
250TAB {Function}
7
8
6
9pin
V4:B
12AX7
2X_TRIODE_HCT
Pre-amp
400V
C3
2N2
T B
M
4425
P1:A 500K
15A
Bass
R10
1/4W
.
100K
63V
C22
220N
R50
1/4W
.
20K
2
6
1 3
5
4
S T R
-
- -
Speaker Out
J7
7
6
-
5
+
U5:B
MC33078P
7
6
-
5
+
U1:B
MC33078P
R6
1/4W
.
6K8
1
2
-
3
+
U4:A
MC33078P
R59
1/4W
.
20K
3923
J4
D.I. OUT
2
6
1 3
5
4
S T R
-
- -
TUNER OUT
J5
In
Com
Out
S3:A
{FunctionR} GND LIFT
3436
1+
1_
6956
SPEAKON 4C H
SPEAKER OUT
J8:A
TO POWER
SUPPLY PCB
2
3
1
9pin
V4:A
12AX7
2X_TRIODE_HCT
Pre-amp
7
6
-
5
+
U2:B
MC33078P
NC
COM
NO UP
DOWN
6544
S7:B
250TAB {Function}
2
6
1 3
5
4
S T R
Gold Gold Gold
AMP IN
J2
2
6
1 3
5
4
S T R
- - -
PRE-AMP OUT
J3