crate_gtx15a_sch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 Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Fri Apr 11, 2003 A 9-11-02 1 RLB ADDED -02 CONFIGURATION B 04/11/03 INITIAL ISSUE WFB R00980

4、C of Drawing Title: Drawing Number: NONE 1 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Date: 9-11-02 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F GTX15a 07S196-XX 2 GUITAR AMP Date 4 3 DCBA 4 3 2 NOTES: THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. CAUTION: TO AVOID

5、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 VALUES IN MICROFARADS, 50V-10%

6、 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 CONTAINED ON THIS DRAWING IS PROPR

7、IETARY TO Drawing Size: Drawing Type: Schematic Released: REVDateDESCRIPTION E Tolerance: Plot Date: Plot Time: Fri Apr 11, 2003 A 9-11-02 1 RLB ADDED -02 CONFIGURATION B 04/11/03 INITIAL ISSUE WFB R00980 C of Drawing Title: Drawing Number: NONE 1 Ecr(s)/Ecn(s) First Used On: ST. LOUIS MUSIC, INC Da

8、te: 9-11-02 11880 Borman Drive, St. Louis, MO 63146 Chgd By Appvd by F GTX15a 07S196-XX 2 GUITAR AMP Date 4 3 MID GAIN DC 10 9 8 7 4 3 2 1 AC LOW 11 12 6 5 HIGH VOLUME 1013VDC200mV p-p 9-14VDC.6V p-p 814VDC.6V p-p 71.2mVDC100mV p-p 41VDC6.0V p-p 31.3mVDC5.5V p-p 2 .8mVDC120mV p-p 10VDC50mV p-p AC 13

9、VDC200mV p-p -14VDC.6V p-p 14VDC.6V p-p .9mVDC20mV p-p .8mVDC0V p-p 1.3mVDC0V p-p .8mVDC120mV p-p 0VDC50mV p-p DC 10 C18 35V R18 220 R1 2.2K TP1 R21 3.3K R2 270K CW 500 A P5 CW 10K L P6 C3 .001 100V R4 1.5K 2 3 1 TLO-74 IC1:A R22 10K C1 2.2 50V 47K R40 R10 1.5K 22K R11 R7 680 CD INPUT 10 C20 35V 2.2

10、M R8 47K R14 22K R54 TP9 2200 25V C30 R41 220 TP8 R26 2.2K R27 2.2K C19 100 pF 200V 6 5 7 TLO-72 IC2:B 22K R17 D6 1N914 75V PIV 47K R13 TP4 TP11 TP10 1K R33 .22 100V C21 .22 100V C22 TP7 .001 100V C10 1N4002TR 100V PIV D9 .22 100V C25 11 12 -13VDC .9mV p-p 200mV p-p 16V p-p 66V p-p1.5mVDC 51V p-p1mV

11、DC T.P. VOLTAGEVOLTAGE .1 50V C26 2 1 J6 .4mV p-p -13VDC200mV p-p 4V p-p 1.2mVDC400mV p-p .6mVDC800mV p-p VOLTAGEVOLTAGE 1 2 3 J4 TP5 CW 10K A P4 R3 2.2K CW 10K A P3 .22 100V C4 .015 100V C6 C5 100V .0033 C7 1 50V D16 1N914 75V PIV D7 1N914 75V PIV 2200 25V C28 R42 220 C17 .1 50V .022 C24 50V C9 .1

12、100V 1N4002TR D10 100V PIV R46 1 R44 1 R45 1 1 R37 R47 1 R48 1 R49 1 R38 470 1 R52 1 R51R50 11 R53 SLVE_SW SLEEVE TIP_SW RING RING_SW TIP J2 J3 LEVEL C14 1 50V C12 .0022 100V 13 12 14 IC1:D TLO-74 R20 15K 100 pF 200V C2 1N914 D2 75V PIV J1 100K R31 C16 100 pF 200V .047 C15 100V 2 3 1 IC2:A TLO-72 TP

13、6 22K R6 6 5 7 TLO-74 IC1:B 2.2K R5 TP3 TP2 22 16V C31 1 2 3 J7 D13 1N4002TR 100V PIV D12 1N4002TR 100V PIV 47 R34 35V 10 C23 S D G J112 Q1 1K R28 1 C8 50V 75V PIV 1N914 D8 10K R15 47K R19 47K R55 2N5210 Q2 TP12 T.P.WAVEFORM GTX-15(R) TEST POINTS SW1 IN (OVERDRIVE CHANNEL) INPUT SIGNAL 50mV P-P 1KHz

14、 GAIN LOW,MID,HIGH 5 SW1 OUT (CLEAN CHANNEL) INPUT SIGNAL 50mV P-P 1KHz VOLUME 10; LOW,MID,HIGH 5 WAVEFORM C13 2.2 50V C11 100 pF 200V 1N914 D1 75V PIV 1 2 3 4 RC1 1 2 3 4 5 RC2 2.2K R23 47K R24 R25 10 2W 5per 2 3 4 CMN 1 SW1 4-BIT ENCODER 2.2K R9 O C I O C I CW 10K L P1 O C I O C I CHANNEL SELECT S1 22 C29 16V D14 1N4002TR 100V PIV D11 1N4002TR 100V PIV 68K R32 R35 100 2 1 4 IC3 TDA 2030 J5 9 10 8 IC1:C TLO-74 1K R1247K R16 1/8W 2N5210 Q3 47 R39 CW 250K L P2 RadioFans.CN 收音机爱 好者资料库