Crate_PFX6Da,_PFX8Da_Power_Amp_(07S450)_Schematic电路图.pdf

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1、J4 VTL5C7 OPTO OC1 100K R3 8.2K R47 220pf 100V C1 1N914 D12 1/2W 470 R10 0.1 C3 10K R42 1N4745 16V D11 680 R1 8.2K R5 470 R8 0.1 C4 TIP-31C Q2 10K R41 6.8K R11 MPSA06 Q1 TP1 TAB J6 16V 220uF C28 1N3070 D2 1/2W 8.2K R38 1N3070 D1 1/2W 4.7K R15 1/2W 220 R13 1/2W 3.3K R36 35V 10uF C17 1/2W 220 R12 1N91

2、4 D13 220 R43 6.8K R24 MJE15031 Q4 MJ15002 Q5 MJ15002 Q6 R23 20V/1W 1N4747A D15 470 R21 R22 100 R25 50V 22uF C19 C25 .001 100V C25 150 R27 4.7K R40 FERRITE BEAD L2 MJE15030 Q9 G D S J112 Q12 C24 .001 100V C24 150 R18 20V/1W 1N4747A D16 R30R31 1/2W 22 R28 470pf 100V C22 MJ15022 Q11 R32 50V 1uF C27 CL

3、IP FC2 TAB J7 35V 100uF C16 TAB J8 TAB J9 TAB J10 TAB J11 TAB J13 F1 TABJ12 TAB J14 TAB J16 UL .0033uF C10 UL .0033uF C11 TAB J17 TAB J18 220 R17 100V 0.01 C12 GI752 D3 GI752 D4 GI752 D5 GI752 D6 50V 4700uF C14 1N5353 16V D7 1N5353 16V D8 R33 R34 1N5353 16V D21 35V 100uF C15 MPSA06 Q13 (8=+VP,4=-VP)

4、 TL072 IC1 1 2 3 500 TRIM P1 35V 10uF C23 1W 1.5K R35 1/2W 4.7K R14 1/2W 10K R6 50V 4700uF C13 1N914 D9 MPSA06 Q8 220K R39 4.7K R19MPSA56 Q3 100V .22uF C20 100V .22uF C21 156 HEADER J1 1 2 3 4 5 1N4745 16V D10 2.7K R7 270 R49 1/2W 10K R9 100V 330pF C8 MJ15022 Q10 4.7K R26 1N914 D18 100 R16 470 R29 1

5、0K R2 1/2W R20 22 R44 200V 56pF C5 250V .1uF C9 CLIP FC1 TIP-32C Q7 TAB J21 TAB J15 200V 56pF C26 16V 220uF C2 22K R45 J5 1N914 D14 J2 J3 1N914 D19 (8=+VP,4=-VP) TL072 IC1 7 6 5 330 R4 1K R46 10K R54 10K R53 100V/0.1A 1N914 D20 V+OUT GND LM-35 IC2 2.7K R48 1M R56 100V 330pF C7 156 HEADER J22 1 2 180

6、K R55 1% 5.62K R51 FERRITE BEAD L3 50V 1uF C6 SERVICE PERSONNEL. DO NOT PERFORM AMY SERVICING BEYOND TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED CAUTION: THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. G D S J175 Q14 1% 6.81K

7、 R50 TP2 35V 10uF C18 1/2W 8.2K R37 TP3 TP4 TP5 TP6 TP7 TP8 TP9 TP10 TP11 TP12 TP13 TP14 TP15 TP16 TP18 TP17 DESCRIPTIONBYDATEREVCHKD C5_FROM_220_TO_56PF_PER_N00103. REM9/23/99 C7_&_C8_FROM_220PF_PER_E990112JDREM4/21/99 ORIGINAL_ISSUE - 2 1 0 1.8K R52 -V -V DSP_PWR DSP_PWR -VP -VP O O SPKROUT SPKROU

8、T DSP_GND DSP_GND +V +V+V +VP +VP +VP L1 .5uH 22.5 .52 -39.4 .58 -39.2 .95 -38.5 16 -16 16.2 1.16 -37.2 .55 39.8 .73 38.9 .87 38.5 1.32 37.5 2.90 -1.59 2.79 1.13 1 WITH AN 8 OHM LOAD. 1Vrms INPUT AT J3 * * 3 temperature varies with 15.6 8.98 18 17 16 15 14 2mVDC ACROSS R23 & R31 NO SIGNAL, NO LOAD 1

9、 KHZ SINEWAVE BIAS ADJUSTMENT: TEST POINT CONDITIONS: VDC 13 12 11 10 9 8 7 6 5 4 3 2 1 Vrms VOLTAGEVOLTAGE FORM WAVE POINT TEST TOUCHING INTERNAL PARTS. 4) CIRCUIT GROUND SWITCH GROUND CHASSIS GROUND AND 10 MEGOHM DIGITAL VOLTMETER. 3) VOLTAGES ARE MEASURED WITH 1MEGOHM OSCILLOSCOPE CAPACITOR VALUE

10、S IN MICROFARADS, 50V-10% TOL. 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER 1) CAUTION: SHOCK HAZARD! NOTES: 45001C2_ 10:00 REM 10/20/98 BARRY 10/20/98 220V FUSE = 5A SBFUSE =2.5A SB FUSE =

11、2.5A SB FUSE =5A SB BLACK BRN BLU BLU 230V GRAY GRAY EXPORT WIRING EXPORT WIRING EXPORT WIRING BRN/WHT BRN/WHT GRAY VOLTS RTN AC AC BLUE 100V WHT BRN BRN AC AC RTN RTN AC AC VOLTS VOLTS WHT WHT BLK BLK BRN/WHT J12 J14 J13 J15 J13 J13 J8 J8 J9 J9 J14 J14 NONE 10/20/98 10/20/98 J D 10/20/98 +VP 220 22

12、0 100 100 XFMR FOR -40 ABCD FILE NAME: 4 3 2 1 EDCBA 3 2 1 4 E PLOT TIME: PLOT DATE: SCALE:SHEET: NO. DRAWING DRAWING NAME: PROJECT NAME: 11880 BORMAN DR. ST. LOUIS, MISSOURI 63146 DATE: ORIGINAL ISSUED: APPD: CHKD: DRAWN: SIGNATURES: 180 10W 180 10W 470 10W 2W 10 10W 10W10W 10W .33.33 .33.33.33 .33 LINE OUT LINE IN SPEAKER SPEAKER poly poly 07S450-XX PFX6Da/PFX8Da BOX MIXER 1 OF 1 POWER AMP SCHEMATIC -16V +16V +16V -16V -16V -VP 16V +VP 16V RadioFans.CN 收音机爱 好者资料库