Page 1
+VCC
C23
8200
50V
R40
1.47K
RN60
C15
.1
250V
D14
1N4936
C24
2.2
100V
R27
20
RN60
R61
4.99
RN55
F.B. F.B.
C34
.47
50V
Q11
2N6718
R28
20
RN60
C14
2200
C16
6.8
50V
R36
2.2 OHM
2W
R37
2K
RN60
R26
24.9
RN60
R10
1K
RN60
C5
470pF
VR1
50K
TRIMPOT
R11
4.02K
RN60
R12
10K
RN60
C6
470pF
R14
200
RN60
Q20
2N6718
R13
4.02K
RN60
R5
40.2K
RN60
+IN
COM
R1
2K
RN60
C1
220pF
R2
2M
RN60
C2
2.2
160V
R3
499K
RN60
R4
20
RN60
R6
20K
RN60
D9
FDH333
R16
10K
RN60
D10
FDH333
C35
470pF
Q1B
U403
Q1A
U403
C3
2200pF
Q2
2N6718
R8
20
RN60
R9
20
RN60
Q3
2N6718
R15
20
RN60
C9
2.2
160V
R22
499K
RN60
C7
5pF
500V
CR1
CR220
C8
5pF
500V
R62
1K
RN60
Q6
2N5416
Q9
2N5416
CR2
CR220
R25
2K
RN60
C12
1pF
500V
R24
1K
RN60
R34
10
RN60
D13
1N4936
Q12
TIP127
+DRIVE
C25
6.8
50V
R41
10K
RN60
C26
6.8
50V
R42
10K
RN60
Q13
TIP122
- IN
R19
4.99K
RN60
R18
200
RN60
F.B.
F.B.
C11
1000pF
R20
100K
RN60
R21
2K
RN60
C10
10pF
500V
R23
200K
RN60
D1
FDH333
D3
LM336BZ
D4
1N914B
D5
1N914B
D6
1N914B
D7
1N914B
D8
LM336BZ
D2
FDH333
R7
49.9K
RN60
Q5
2N6718
- LED
+ LED
C4
1000pF
R17
825
RN60
Q4
2N3439
R60
4.99K
RN60
R29
2K
RN60
D11
1N4936
Q7
2N5416
R30
4.02K
RN60
C17
2200pF
R31
100
RN60
Q8
2N3439
C13
2200pF
C19
6.8
150V
R32
100
RN60
R35
2.2 OHM
2W
C18
.1
250V
C22
8200
50V
Q10
2N3439
R33
10
RN60
D12
1N4936
C21
2.2
100V
R38
2K
RN60
-DRIVE
-VCC
R39
1.47K
RN60
D15
1N4936
pF
F.B.
F.B.
ABCDE R
CELLO LTD.
No.
OFSheetMaterial
Used In
Name
DR. Date
CH.
Scale
Date
Tolerances
Unless Specified
Fraction ± .010
Decimal
.XX ± .010
.XXX ± .005
Angle ± 1/2˚
Issue Revision Date
ENCORE AMPLIFIER
INPUT & VOLTAGE AMP
81-3400-05
M.D.
12-27-94
1
2
NOTE:
1 ALL RESISTORS ARE RN60 & ARE IN OHMS
UNLESS SPECIFIED.
ALL CAPACITORS ARE IN MICROFARADS1
UNLESS SPECIFIED.
.68uF/100V
Page 2
TO + DRIVE
TO - DRIVE
30 OHM
+ VCC
C28
10pF
500V
Q16
MJE15030
C30
1000pF
C31
1000pF
SORTED
R55
.22/5W
Q19
MJ15025
SORTED
R54
.22/5W
Q18
MJ15024
SORTED
10/5W
L1
4uH
R56
R48
20
RN60
R49
20
RN60
Q17
MJE15031
SORTED
2.2 OHM
2W
2.2 OHM
2W
R50
R51
R46
249
RN60
R47
249
RN60
C32
68/100V
2.2 OHM
R53
2.2 OHM
R52
2W
2W
D19
1N4004
D18
1N4004
R43
200
RN60
TO O.C.
MJE15030
MJE15031
Q14
R44
100
RN60
VR2
1K
TRIMPOT
Q15
R45
200
RN60
C29
10pF
500V
R58
10K
RN65
C33
.33/160V
R57
5W
R59
10K
RN65
1N4936
D16
D17
1N4936
+ DRIVE 2
O.C.
- DRIVE 2
TO EPB-1
- VCC
NOTE:
ALL RESISTORS ARE RN60 & ARE IN OHMS
1
UNLESS SPECIFIED.
ALL CAPACITORS ARE IN MICROFARADS
1
UNLESS SPECIFIED.
Issue Revision Date
Tolerances
Unless Specified
Fraction ± .010
Decimal
.XX ± .010
.XXX ± .005
Angle ± 1/2˚
DR. Date
M.D.
CH.
Scale
12-27-94
Date
Used In
ENCORE AMPLIFIER
Name
BIAS & OUTPUT
CELLO LTD.
22
ABCDE R
No.
81-3400-05
OFSheetMaterial
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