Crate_BX-50a_(07S779)_Schematics电路图.pdf

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1、DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD!

2、2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 S

3、ignatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Tolerance: Released: REVDateDESCRIPTION E A 1 RLB CONTROL ISSUE 12-18-00 INITIAL ISSUED000644 C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First

4、Used On: ST. LOUIS MUSIC, INC Date: 6-6-00 11880 Borman Drive, St. Louis, MO 63146 Chgd ByAppvd by F BX50a 07S779-XX 2 PWA - BASS AMPLIFIER Date 4 3 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THI

5、S UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOP

6、E AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Toleranc

7、e: Released: REVDateDESCRIPTION E A 1 RLB CONTROL ISSUE 0 12-18-00 INITIAL ISSUED000644 C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 6-6-00 11880 Borman Drive, St. Louis, MO 63146 Chgd ByAppvd by F BX50a 07S779-XX 2 PWA - BASS AMPLIFIER Date 4 3

8、6 5 7 TLO-72 R57 22K 1 Q 2 Q 5 DATA 6 SET 4 RESET 3 CLK U12:A CD4013 50V .015 C42 R14 10K S D G J175 Q7 100K R61 TP10 TP11 6 5 7 TLO-72 R59 22K R60 22K .015 50V C45 R58 10K .1 50V C44 .22 C46 2N5210 Q6 R56 10K C50 1 50V 13 Q 12 Q 9 DATA 8 SET 10 RESET 11 CLK U12:B CD4013 C57 .1 G S D Q10 J175 50V .2

9、2 C54 R81 1M C48 .0033 100V R64 100K 1/4W R67 4.7K 1/4W R68 4.7K OCTAVE CW P10 50K L R50 150K C41 50V 1 R40 4.7K R49 220K 1N914 D2 R35 1M R34 1K 2 3 1 TLO-72 TP8 220K R2 T/S J1 INPUT R1 22K D1 1N914 56 pF 200V C2 C1 100V .047 uF 6 5 7 TLO-72 123 J21 R5 1K 2 3 1 TLO-72 R20 15K R18 1K R19 1K CW P2 50K

10、 L LOW 50V 1 C10 C53 50V .22 R3 15K CW P3 50K L LO MID R21 22K 50V .1 C12 LEVEL 35V 10 C5 TP2TP1 R52 100K R53 220 R54 100K 1 C49 6 5 7 TLO-72 D23 1N914 CW P12 250K L C38 200V 470 pF R63 2.2K R55 10K .015 50V C43 C40 2.2 50V R51 2.2K 1/4W TP9 2 3 1 TLO-72 D5 1N746ARL D20 1N746ARL C37 50V .22 C3 220 p

11、F 50V 2.2 uF C4 CW P4 10K L R4 1K CW HI MID 50K L P5 CW HIGH 50K L P6 G DS J175 Q5 TP3 C11 100V .01 2 3 1 TLO-72 47K R22 C13 100V .0022 C14 200V 56 pF 6 5 7 TLO-72 TP4 R62 100K G SD Q4 J175 C39 56 pF D22 1N914 Q3 2N5088 2N5088 Q2 R36 10K D21 1N914 R47 47K R48 47K R6 22K C6 100V .0033 CW 50K L P11 C1

12、5 50V .022 CW50K L P1 .1 50V C8 SHAPE 2 3 1 TLO-72 R7 22K R11 22K LEVEL C9 200V 56 pF TP5 G S D J175 Q9 R79 1M 1/4W 5 R65 47K R66 47K C55 .1 R80 1M .1 C56 OC4 VTL-5C7 C52 .22 R9 22K D9 1N914 D8 1N914 1.5K 1W R39 R38 470 R10 47K 1/4W TEST POINT 1 2 3 4 5 SHAPE WAVE R8 47K 200V 100 pF C17 G S D Q8 J17

13、5 R15 10K C7 100V .0047 R16 47K C16 35V 10 6 5 7 TLO-72 R83 47K D6 1N914 1N914 D7 R37 470 CW 50K L P9 R84 10K 2 3 1 TLO-72 23451 J17 NOT USED TP6 R44 4.7K R41 4.7K D3 1N914 S D G J175 Q1 MASTER LEVEL TP7 DUAL RCA J18 CD R12 47K 1/4W 1M R23 C18 10 35V 1.5V 3V 3.5V 150mV 200mV p-p A.C. D.C.SPECIAL CON

14、DITIONS CHANNEL A SELECTED CHANNEL A SELECTED CHANNEL A SELECTED 19 18 17 16 15 14 13 12 11 10 9 8 7 6 20 1M R69 +10 -12 0 +12250Hz 500Hz 15V 15V 80mV 12V 22V 700mV 460mV 200mV .2 RIPPLE .2 RIPPLE +/-4V .7V -14V 14V -21V 21V .6V .6V 10V 10V CHANNEL A SELECTED CHANNEL B SELECTED CHANNEL A SELECTED CH

15、ANNEL B SELECTED RadioFans.CN 收音机爱 好者资料库 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING I

16、NTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN

17、THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Mon Dec 18, 2000 A 2 RLB CONTROL ISSUE 12-18-00 INIT

18、IAL ISSUE RLB C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 6-6-00 D000644 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F BX50a 07S779-XX 2 PWA - BASS AMPLIFIER Date 4 3 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED

19、 PERSONNEL. CAUTION: TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE TOUCHING INTERNAL PARTS. 1) CAUTION: SHOCK HAZARD! 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. CAPACITOR

20、VALUES IN MICROFARADS, 50V-10% TOL. 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER. SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. DCBA 1 FE 1 Signatures: Checked: Drawn: Sheet Class Code: THE INFORMATION CONT

21、AINED ON THIS DRAWING IS PROPRIETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Mon Dec 18, 2000 A 2 RLB CONTROL ISSUE 0 12-18-00 INITIAL ISSUE RLB C of Drawing Title: Drawing Number: NONE 2 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, I

22、NC Date: 6-6-00 D000644 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F BX50a 07S779-XX 2 PWA - BASS AMPLIFIER Date 4 3 D13 1N4002TR R31 1K 2 1 J5 156-2V SLVE_SW SLEEVE TIP_SW RING RING_SW TIP TRS HEADPHONE J4 R32 100 BROWN NOT USED ON DASH -02 ASSY 1 2 3 4 5 6 7 8 9 10 11 12 RC1 D10 1N40

23、02TR D10 & D11 NOT USED ON -02 ASSY 1 2 3 4 5 6 7 8 9 10 11 12 RC1A 1N4002TR D11 .22 100V C21 D-GND R24 680 R28 22K TP13 BROWN R26 22K .22 C23 100V D-GND C22 10 35V 680 R29 R30 4.7 R27 22K 2 1 4 TDA2050 AC VOLTS TO SWITCH GRAY/WHT BLACK GRAY/WHT J9 WHITE AC NEUTRAL J9 WHITE BLUE AC VOLTS TO SWITCH A

24、C NEUTRAL T/S EXT SPEAKER J3 SLVE_SW SLEEVE TIP_SW RING RING_SW TIP TRS FOOTSWITCH J2 JWOPT2 C58 50V .1 1 2 3 4 5 6 7 8 RC2 FLAT CABLE R70 2.2K R72 470 R71 47K MPS-A13 Q11 DO NOT INSTALL JWOPT2! D-GND JWOPT1 USE JWOPT1 ON -02 ASSY ONLY I CC OO I DPDT DUAL SW1 CHANNEL SWITCH Q13 2N5088 R77 47K R76 47

25、K 220 pF C20 100V 1N4002TR D12 35V C19 10 R25 4.7 R17 22K 2 1 4 TDA2050 TP12 MPS-A13 Q14 C27 100V .1 uF RED J10 .187 TAB 23-926-02 FC1 BLK NOT USED R13 4.7K R78 470K TP16 D24 RED CHAN C59 50V .1 R75 470 1.5K R74 R73 2.2K Q12 MPS-A13 TP14 TP15 C25 50V .1 C36 50V .1 C47 47 35V R82 47 TP19 TP17 BLACK B

26、LUE AC NEUTRAL J9 WHITE BLUE BLACK GRAY/WHT AC VOLTS TO SWITCH BROWN C30 100V .1 uF D-GND C29 100V .1 uF 50V 2.2 uF C31 C28 100V .1 uF D-GND .250 TAB J15 C35 .0033 250V UL J16 .250 TAB J9 .187 TAB GRN RED J7 .187 TAB J8 .187 TAB J6 .187 TAB 23-926-02 FC2 J11 .187 TAB NOT USED J14 F1 J12 .187 TAB J13 .187 TAB D4 RED D14 1N5401 D15 1N5401 D16 1N5401 D17 1N5401 R33 1.5K R42 220 R43 220 1N4744 D19 D18 1N4744 4700 uF 25V C32 4700 uF 25V C26 TP18 100 uF 35V C33 C34 100 uF 35V C24 50V .1 C51 47 35V R45 47 R46 47 R85 47 TP20 RadioFans.CN 收音机爱 好者资料库