Fender_57_bandmaster_reissue 电路图 维修原理图.pdf

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1、SWITCH ? STANDBY ? SWITCH ? POWER ? GREEN/YEL ? WHITE ? BLACK ? T47 ? B ? RELEASE DATE: 18 DEC 2012 ? 18-DEC-12 ? A ? PCB ASSEMBLY P/N 0095360000. ? 4. THIS SCHEMATIC IS FOR PCB FABRICATION P/N 0095366000 AND ? S M M ? PR2515 ? DATABASE FILE: Z2515S.SCH ? ENGR: GITLO ? DRAWN: GITLO ? 0095660000 ? 57

2、 BANDMASTER ? 1. ALL RESISTORS IN OHMS, 5%. ? SHEET: 1 OF 2 ? Corona, CA U.S.A. ? MUSICAL INSTRUMENTS ? (UNLESS OTHERWISE NOTED) ? NOTES: ? TITLE: ? DATE: ? APPROVED BY: ? DATE: ? CHECKED BY: ? R ? INSTRUMENTS AND IS SUBMITTED TO YOU IN ? CONFIDENCE AND SHALL NOT BE DISCLOSED OR ? TRANSMITTED TO OTH

3、ERS WITHOUT AUTHORIZ- ? ATION FROM FENDER MUSICAL INSTRUMENTS. ? THIS DOCUMENT CONTAINS INFORMATION OF ? A PROPRIETARY NATURE TO FENDER MUSICAL ? 8 ? 7 ? 6 ? 5 ? 4 ? 3 ? 2 ? 1 ? D ? C ? B ? A ? 1 ? 2 ? 3 ? 4 ? 5 ? 6 ? 7 ? 8 ? A ? B ? C ? D ? R E V I S I O N S ? DESCRIPTION ? REV. ? DATE ? APPROVED ?

4、 SIZE ? DRAWING NUMBER ? REV. ? C ? (schematic) ? SERVICE DIAGRAM, COMBINED ? (POWER SUPPLY BYPASS CAPACITORS ARE 20%). ? 2. ALL UNPOLARIZED CAPACITORS IN uF, 10% OR BETTER; 50V MINIMUM. ? 3. ALL POLARIZED CAPACITORS IN uF, 20%; 50V MINIMUM. ? -45VDC ? TP2 ? +375VDC ? TP6 ? +323VDC ? TP7 ? +1.6VDC ?

5、 TP8 ? +1.7VDC ? TP9 ? +205VDC ? TP10 ? +67VDC ? TP12 ? 10mVAC ? TP13 ? 550mVAC ? TP14 ? 35mVAC ? TP15 ? 1.85VAC ? TP16 ? 350mVAC ? TP17 ? 10.2VAC ? TP18 ? 9.7VAC ? TP19 ? 9.9VAC ? TP20 ? 43.3VAC ? TP22 ? 2.9VAC ? TP23 ? 3.2VAC ? TP3 ? 3.2VAC ? TP4 ? +455VDC ? TP22 ? POWER ? SWITCH ? +1.5VDC ? TP11

6、? TP21 ? +455VDC ? 42.4VAC ? TP21 ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? ! ? P/N 0095359000 ? RED ? RED ? GREEN ? GREEN ? YELLOW ? YELLOW ? 120V P/N 0095363000 ? WHITE ? BLACK ? BLUE ? RED ? BROWN

7、? P/N 0095362000 ? GREEN ? BLACK ? RED/YEL ? RED/WHT ? GRN/BLK ? GRN/YEL ? T6.25A 250V ? CUT AND INSULATE ? T6.25A 250V ? F3 ? 100-120V ? F3A 250V ? 230-240V ? F1.6A 250V ? F3 FUSE VALUE ? F1 ? F2 ? (Elevated) ? (Elevated) ? (Elevated) ? +465VDC ? TP1 ? +462VDC ? TP5 ? 100V/120V TRANSFORMER WIRING:

8、? 100V P/N 0095365000 ? 230V TRANSFORMER WIRING: ? 240V TRANSFORMER WIRING: ? OUTPUT TEST: ? WHITE ? BLACK ? GRN/YEL ? GRN/BLK ? RED/WHT ? RED/YEL ? YELLOW ? YELLOW ? GREEN ? GREEN ? RED ? RED ? 230V/240V P/N 0095364000 ? 5. ALL VOLTAGES MEASURED WITH RESPECT TO GROUND USING ? A DVM OF AT LEAST 1MEG

9、 AC INPUT IMPEDANCE AND 10MEG DC ? UNIT AT RATED LINE VOLTAGE ? 2.6 OHM RESISTIVE LOAD CONNECTED AT SPEAKER OUT. ? ALL PANEL CONTROLS AT 50% ROTATION. ? ALL DC VOLTAGES MEASURED WITH NO INPUT SIGNAL. ? BIAS SET TO ACCORDING TO NOTE 7. ? ALL AC VOLTAGES MEASURED WITH A 10mVAC 1kHz SINEWAVE AT J4. ? I

10、MPEDANCE. VOLTAGES MAY VARY +/- 20%. TEST CONDITIONS: ? TIP ? SLEEVE ? SPEAKER (X3) P/N 0095254000 ? SPEAKER WIRING ? 6. BIAS ADJUSTMENT - NO SIGNAL APPLIED, RATED LINE VOLTAGE AT AC INPUT ? SET BIAS ADJUST POT R46 TO OBTAIN A CATHODE CURRENT OF ? 40mA. VOLTAGE SHOWN AT BIAS POT WIPER IS FOR REFEREN

11、CE ONLY. ? BLUE ? BROWN ? GRN/YEL ? 100V/120V PRIMARY WIRING: ? 230V/240V PRIMARY WIRING: ? BLUE ? WHITE ? BLACK ? GRN/YEL ? GRN/BLK ? RED/WHT ? RED/YEL ? YELLOW ? YELLOW ? GREEN ? GREEN ? RED ? RED ? BLUE ? SPEAKER ? OUTPUT ? 6 ? CUT AND ? INSULATE ? CUT AND ? INSULATE ? INSULATE ? INSULATE ? CUT A

12、ND ? CUT AND ? TO F1 ? TO RT1 ? SET AMPLIFIER ACCORDING TO ? NOTE 6. ADJUST SIGNAL LEVEL ? AT J1 TO VERIFY 26W RMS 5% THD ? * = NOT ON PCB ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? * ? MICA ? 5AR4 ? SPEAKER ? OUTPUT ? EXTERNAL ? INTERNAL ? 2.6 OHMS TYPICAL LOAD ?

13、(2 OHMS MIN LOAD) ? SPEAKER IMPEDANCE: 8 OHMS EACH ? * ? * ? * ? * ? * ? * ? * ? (at socket) ? (at socket) ? (at socket) ? (at socket) ? (at jack) ? B ? EC5206 ? 01-FEB-13 ? S M M ? (ECC83S) ? (ECC83S) ? (ECC83S) ? (ECC83S) ? (ECC83S) ? (ECC83S) ? (12AY7) ? (12AY7) ? 7. COMPONENTS NOTED WITH SHALL B

14、E REPLACED WITH FMIC APPROVED PARTS ONLY. ? (SELECT OK) ? (NOM) ? 1 ? 2 ? 3 ? V1-A ? 12AX7WA ? 6 ? 7 ? 8 ? V1-B ? 12AX7WA ? 4 ? 5 ? 9 ? V1-C ? 12AX7WA ? 1 ? 2 ? 3 ? V2-A ? 12AX7WA ? 6 ? 7 ? 8 ? V2-B ? 12AX7WA ? 4 ? 5 ? 9 ? V2-C ? 12AX7WA ? 1 ? 2 ? 3 ? V3-A ? 12AX7WA ? 6 ? 7 ? 8 ? V3-B ? 12AX7WA ? 4

15、? 5 ? 9 ? V3-C ? 12AX7WA ? 3 ? 4 ? 5 ? 8 ? V4-A ? 6L6GC ? 2 ? 7 ? V4-B ? 6L6GC ? 3 ? 4 ? 5 ? 8 ? V5-A ? 6L6GC ? 2 ? 7 ? V5-B ? 6L6GC ? R2 ? 1M ? 1/2W ? R4 ? 1M ? 1/2W ? J1 ? MIC 2 ? J2 ? MIC 1 ? J3 ? INST 2 ? J4 ? INST 1 ? R9 ? 820 ? 1W ? C1 ? 22 ? 25V ? R11 ? 100k ? 1/2W ? R10 ? 100k ? 1/2W ? C15 ?

16、 8 ? 450V ? C2 ? .022 ? 630V ? C3 ? .022 ? 630V ? CW ? R18 ? 1M SPL. D ? VOL. MIC ? CW ? R19 ? 1M SPL. D ? VOL. INST. ? R20 ? 270k ? 1/2W ? R21 ? 270k ? 1/2W ? C4 ? 100pF ? R22 ? 4.7M ? 1/2W ? R23 ? 100k ? 1/2W ? C5 ? 22 ? 25V ? R24 ? 1.5k ? 1/2W ? R25 ? 100k ? 1/2W ? C6 ? .1 ? 400V ? CW ? R26 ? 1M

17、A ? TREBLE ? C7 ? 250pF ? C9 ? .01 ? 400V ? R27 ? 220k ? 1/2W ? R28 ? 100k ? 1/2W ? R29 ? 220k ? 1/2W ? CW ? R30 ? 1M A ? BASS ? C10 ? .0047 ? 400V ? CW ? R31 ? 5k STD. D ? PRESENCE ? R33 ? 1.5k ? 1/2W ? R32 ? 56k ? 1/2W ? C12 ? .022 ? 630V ? R34 ? 100k ? 1/2W ? R36 ? 1.5k ? 1/2W ? R37 ? 56k ? 1/2W

18、? R35 ? 1M ? 1/2W ? R43 ? Fp10k ? 1W ? R38 ? 56k ? 1/2W ? C16 ? 22 ? 500V ? C13 ? .1 ? 630V ? C11 ? .1 ? 400V ? C14 ? .1 ? 630V ? R39 ? 220k ? 1/2W ? R40 ? 220k ? 1/2W ? R41 ? 1.5k ? 1/2W ? R42 ? 1.5k ? 1/2W ? R45 ? 68k ? 1/2W ? C18 ? 22 ? 500V ? C19 ? 22 ? 500V ? R44 ? Fp10k ? 2W ? C22 ? .1 ? 250VA

19、C ? -t ? RT1 ? C60-11 ? 2 ? 4 ? 6 ? 8 ? V6 ? (5U4) ? C21 ? 100 ? 100V ? D1 ? 1N4003 ? R47 ? Fp6.8k ? 1W ? C20 ? .047 ? 630V ? R5 ? 68k ? 1/2W ? R6 ? 68k ? 1/2W ? R7 ? 68k ? 1/2W ? R8 ? 68k ? 1/2W ? CW ? R46 ? 10k ? BIAS ADJUST ? R48 ? 100 ? 1/2W ? R49 ? 100 ? 1/2W ? D2 ? BYD33V ? D3 ? BYD33V ? R1 ? 10k ? 1/2W ? R3 ? 10k ? 1/2W ? R12 ? 10k ? 1/2W ? R13 ? 10k ? 1/2W ? R14 ? 10k ? 1/2W ? 收音机爱好者资料库 Ra d i o Fa n s .CN 收音机爱好者资料库 Ra d i o Fa n s .CN