BC560
Q3
1/2
TLO72
U2
2
3
1
680K
R8A
10K
R7A
1K
R9A
OUT
IN
SW2
4
5
6
YORKVILLE
NAME:
PCB#&VER:
MODELS:
SCH ISSUE:
TITLE:
DATE:
DWG_1_OF_2
M1085
SR-300
M1085.SCH
OCT/08/99
INPUT/PREAMP
1.40
100n
C8
1K
R38B
1K5
R10
GREEN
LD1
470R
R9
16V
33U
C10B
OUT
IN
SW2
1
2
3
1K
R38A
100n
C10
15K
R7
100n
C9
16V
500mW
ZD3
16V
500mW
ZD2
MJF6388
Q1
15K
R6
MJF6668
Q2
1/2
TLO72
U2
6
5
7
16V
33U
C10A
YEL
LD3B
2K
R30B
100n
C21
100n
C18
100n
C19
100n
C16
100n
C17
100n
C14
100n
C15
100n
C13
100n
C12
D1B
D1A
1K5
R35B
953R
R23B
3K
R39B
10M
R17B
OUT
IN
H.P.F
SW1
4
5
6
91K
R20B
1K5
R35A
100K
R31A
680K
R8B
953R
R23A
BC550
Q1A
100R
1W
R5
100R
1W
R4
100K
R31B
220n
C7B
220n
C9B
12K
R34B
27K
R33B
10K
R27B
10M
R17A
OUT
IN
H.P.F
SW1
1
2
3
91K
R20A
220n
C7A
220n
C9A
60K4_1%
R21B
133K1%
R22B
CLP
RED
LD4B
12K
R34A
27K
R33A
20K0
R26B
180K
R28B
25V
100u
C13B
10u
16V
C12B
PIN 11
D
IABC
1/2
LM13600
U3
13
15
14
16
12
9
10
BC560
Q5B
10p
C5B
10K
R27A
9K760
R3B
1n
C1B
1/2
TLO72
U1
6
5
7
953R
R1B
953R
R2B
9K760
R4B
1n
C2B
9K760
R5B
9K760
R6B
CW
25A
10K
P1B
10u
16V
C3B
18K
R13B
10K
R29B
2N5638
Q3B
S
R
T
BAL.
INPUT
JB1B
1
2
3
4
5
6
100K
R10B
60K4_1%
R21A
133K1%
R22A
20K0
R16B
D2B
1N5240BRL
10V
D6B
1K
R32B
CLP
RED
LD4A
20K0
R24B
D4B
D3B
20K0
R25B
10K
R7B
BC550
Q1B
2K
R30A
20K0
R26A
180K
R28A
25V
100u
C13A
10u
16V
C12A
10K
R37B
100R
R14B
100n
C20
27K
R12B
43K
R19B
91K
R18B
47n
C6B
82n
C8B
1K
R9B
100n
C7
GRN
LD2B
50V
22u
C11
1/2
TLO72
U6
6
5
7
1/2
TLO72
U5
6
5
7
4K7
R36B
470R
R8
470p
C22B
PIN 11
D
IABC
1/2
LM13600
U3
4
2
3
1
5
8
7
1/2
5532
U4
6
5
7
D5B
BC560
Q5A
1/2
TLO72
U7
6
5
7
10p
C5A
18K
R13A
10K
R29A
47K
R40B
47K
R40A
2N5638
Q3A
22M
R15B
20K0
R16A
D2A
1K
R32A
20K0
R24A
D4A
D3A
20KO
R25A
HEATSINK
HEATSINK
"P22"
STYLE
BC560
Q2B
10K
R37A
YEL
LD3A
100R
R14A
22M
R15A
27K
R12A
43K
R19A
91K
R18A
47n
C6A
82n
C8A
1/2
TLO72
U6
2
3
1
1/2
TLO72
U5
2
3
1
220K
R11B
220K
R11A
4K7
R36A
470R
R11
1/2
5532
U4
2
3
1
100K
R10A
D5A
S
R
T
BAL.
INPUT
JB1A
1
2
3
4
5
6
10u
16V
C3A
CW
25A
10K
P1A
9K760
R6A
9K760
R5A
1n
C2A
9K760
R4A
953R
R2A
953R
R1A
GRN
LD2A
1/2
TLO72
U1
2
3
1
1n
C1A
9K760
R3A
1/2
TLO72
U7
2
3
1
BC560
Q2A
33u
16V
C11A
33u
16V
C11B
BC560
Q4A
3K
R39
BC560
Q4B
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
#
DESCRIPTION OF CHANGE
VER#
DATE
MODEL(S):-
D
D
D
D
D
D
D
OCT/08/99
MAR/31/99
NOV/24/95
V
V
V
V
V
V
V
V
1.40
1.30
1.20
N
N
N
N
N
N
N
N
HEATSINK_SYMBOL_ADDED
UPDATE_POTS
.
SR-300
M1085.SCH_DATABASE_HISTORY
1N5240BRL
10V
D6A
470p
C22A
D G S
2N5638
BC550C
C B E
BC560C
MJF6388
MJF6668
E
C
B
+55V
KIL
KIL
KIL
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
-15V
-15V
-15V
-15V
-15V
-15V
-15V
-15V
I/P"A"
CLP1"A"
-55V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
+15V
I/P"B"
REDREW OUTPUTS TO MATCH PWR AMP SCHEM.
(TO AMP "B")
(TO AMP "A")
-13V
-13V
4.5V
4.5V
OF AMPLIFIER
OF AMPLIFIER
TO INPUT
TO INPUT
POWER
OUTPUT
FOR FULL
1.4VRMS
CLP2"A"
4
4
3
3
2
2
1
1
CLP2"B"
POWER ON
CLP1"B"
SIGNAL
SIGNAL
LIMITER
(TO AMP "A"&"B")
ALL UNMARKED DIODES ARE IN4148
STEREO/
GOLD TIP&RING JACK
GOLD TIP&RING JACK
"B"
"A"
CHANNEL
CHANNEL
MONO
LIMITER
WILL WORK IN MONO
IS CONNECTED UNIT
IF EITHER INPUT JACK
NOTE:
PIN 1
PIN 1
A RIBBON CABLE
TO THE REAR PCB WITH
PCB WHICH IS CONNECTED
LOCATED ON THE FRONT
THE DOTTED LINE ARE
COMPONENTS INSIDE
LIMITER
LIMITER
U:\SR300IP2.PRN
