Text preview for : Cello-Encore pwramp.pdf part of Cello Encore power amplifier



Back to : Cello-Encore pwramp.pdf | Home

R36 2.2 OHM 2W C14 2200 pF C16 6.8 50V C23 8200 50V C24 2.2 100V C15 .1 250V

+VCC

R11 4.02K RN60

R12 10K RN60

R13 4.02K RN60

C6 470pF

R26 24.9 RN60

VR1 R5 40.2K RN60 50K TRIMPOT R10 1K RN60 C5 470pF

R14 200 RN60

R27 20 RN60 Q20 2N6718 F.B. R61 F.B. 4.99 RN55 C34 .47 50V

R28 20 RN60 Q11 2N6718 R37 2K RN60 R40 1.47K RN60 D14 1N4936

Q2 2N6718

R8 20 RN60

R9 20 RN60

Q3 2N6718 CR1 CR220

Q6 2N5416

Q9 2N5416 CR2 CR220

+DRIVE C3 2200pF F.B. +IN R1 2K RN60 C1 220pF COM R2 2M RN60 F.B. C2 2.2 160V R4 20 RN60 R3 499K RN60 Q1A U403 R62 R6 20K RN60 1K RN60 Q1B U403 C35 470pF C9 2.2 160V D10 FDH333 R19 D1 FDH333 D3 LM336BZ D4 1N914B D5 1N914B 4.99K RN60 C11 F.B. 1000pF R18 200 RN60 Q13 TIP122 - IN R21 2K RN60 R20 100K RN60 R15 20 RN60 R22 499K RN60 C8 5pF 500V R25 2K RN60 C25 6.8 50V R23 200K RN60 C10 10pF 500V .68uF/100V R42 10K RN60 R41 10K RN60 C7 5pF 500V C12 1pF 500V R34 10 RN60 D13 1N4936

R24 1K RN60

Q12 TIP127

D9 FDH333

R16 10K RN60

C26 6.8 50V

F.B.

D6 1N914B D7 1N914B D8 LM336BZ D2 FDH333 R7 49.9K RN60 Q4 2N3439 Q5 2N6718 C4 1000pF R17 825 RN60 R60 4.99K RN60 R30 4.02K RN60 R29 + LED 2K RN60 Q7 2N5416 C13 2200pF Q8 2N3439 Q10 2N3439 R38 2K RN60 R39 1.47K RN60 D15 1N4936

D11 1N4936

R33 10 RN60

D12 1N4936 -DRIVE

- LED

R31 100 RN60

R32 100 RN60 R35

-VCC C17 2200pF C19 6.8 150V 2.2 OHM 2W C18 .1 250V C21 2.2 100V C22 8200 50V

NOTE: 1 1 ALL RESISTORS ARE RN60 & ARE IN OHMS UNLESS SPECIFIED. ALL CAPACITORS ARE IN MICROFARADS UNLESS SPECIFIED.

Tolerances Unless Specified Fraction ± .010 Decimal .XX ± .010 .XXX ± .005 Angle ± 1/2° DR. CH. Issue Revision Date Scale M.D.
12-27-94

CELLO LTD.
Material Sheet OF

1
A Used In B C D E Date

2
R

ENCORE AMPLIFIER
Name

Date

No.

INPUT & VOLTAGE AMP

81-3400-05

+ VCC

C28 10pF 500V D16 1N4936

TO + DRIVE

Q16 MJE15030 SORTED R43 200 RN60 Q14 MJE15030

C30 1000pF R46 249 RN60 R48 20 RN60 R50 2.2 OHM 2W R52 2.2 OHM 2W D18 1N4004 R54 .22/5W L1 4uH O.C. Q18 MJ15024 SORTED + DRIVE 2

R58 10K RN65

TO O.C.

R44 100 RN60

C33 .33/160V VR2 1K TRIMPOT R55 .22/5W D19 R51 2.2 OHM 2W R53 2.2 OHM 2W 1N4004 Q19 MJ15025 SORTED

R56 10/5W

R57 30 OHM 5W R59 10K RN65 Q15 MJE15031

C32 R49 20 RN60 R47 249 RN60 68/100V

- DRIVE 2

TO EPB-1

R45 200 RN60

C31 1000pF Q17 MJE15031 SORTED D17 1N4936

TO - DRIVE

C29 10pF 500V

- VCC

NOTE: 1 1 ALL RESISTORS ARE RN60 & ARE IN OHMS UNLESS SPECIFIED. ALL CAPACITORS ARE IN MICROFARADS UNLESS SPECIFIED.
Tolerances Unless Specified Fraction ± .010 Decimal .XX ± .010 .XXX ± .005 Angle ± 1/2° Date M.D. 12-27-94 CH. Date Issue Revision Date Scale DR. Used In Material Sheet OF

CELLO LTD.

2
A B C D E

2
R

ENCORE AMPLIFIER
Name

No.

BIAS & OUTPUT

81-3400-05