Cello-Encore-pwr-sch维修电路原理图.pdf

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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 R

2、13 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

3、 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

4、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 .1 250

5、V 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. ABCDER 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 IssueRevisionDate ENCOR

6、E AMPLIFIER INPUT & VOLTAGE AMP 81-3400-05 M.D.12-27-94 12 NOTE: 1ALL RESISTORS ARE RN60 & ARE IN OHMS UNLESS SPECIFIED. ALL CAPACITORS ARE IN MICROFARADS1 UNLESS SPECIFIED. .68uF/100V RadioFans.CN 收音机爱 好者资料库 + VCC TO + DRIVE TO O.C. R58 10K RN65 C33 .33/160V Q14 MJE15030 R43 200 RN60 C30 1000pF R44

7、 100 RN60 VR2 1K TRIMPOT C28 10pF 500V Q16 MJE15030 SORTED R46 249 RN60 R48 20 RN60 R50 2.2 OHM 2W R52 2.2 OHM 2W D18 1N4004 R56 10/5W L1 4uH D16 1N4936 Q18 MJ15024 R55 .22/5W R54 .22/5W + DRIVE 2 O.C. - DRIVE 2 - VCC R53 2.2 OHM 2W D19 1N4004 D17 1N4936 Q19 MJ15025 Q15 MJE15031 R49 20 RN60 R47 249

8、RN60 R45 200 RN60 C31 1000pF C29 10pF 500V R51 2.2 OHM 2W C32 68/100V Q17 MJE15031 SORTED TO - DRIVE R59 10K RN65 R57 30 OHM 5W SORTED SORTED TO EPB-1 ENCORE AMPLIFIER BIAS & OUTPUT 81-3400-05 M.D.12-27-94 22 ABCDER 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 IssueRevisionDate ALL CAPACITORS ARE IN MICROFARADS ALL RESISTORS ARE RN60 & ARE IN OHMS UNLESS SPECIFIED. UNLESS SPECIFIED. 1 NOTE: 1 RadioFans.CN 收音机爱 好者资料库