Crate_VTX-212_Power_Amp_(07S581)_Schematics电路图.pdf

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1、07/09/04 10/26/04 03/23/05 C REM WFB - A B 0 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: E RO1452 F 4 2 NOTES: 1 Checked: Drawn: Released: REVDate Sheet1of NONE 2 Date: 02/09/04 Appvd by 3 1 ABCDEF 2 Tue Oct 26, 2004 Drawing Title: 1901 Congressional, St. Louis, MO 63146 ST. LOUIS MUSIC, INC 3

2、Signatures: Drawing Number: 07S581 POWER AMP SCHEMATIC First Used On: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Ecr(s)/Ecn(s)Chgd ByDate 1) CAUTION: SHOCK HAZARD! Drawing Type: Schematic Drawing Size: INITIAL ISSUE ADDED C28-30, DELETED OPTIONAL DIODES & TABS. CONTROL ISSUE TOUCHIN

3、G INTERNAL PARTS. Class Code: WFB DESCRIPTION 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUA

4、LIFIED CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. AND 10 MEGOHM DIGITAL VOLTMETER. THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. +10V +15V TO SHEET 2 B NOT ON PWA NOT ON PWA

5、+15V -15V +10V +40V A 1 2 3 4 5 J25 1 2 3 J26 -15V R101 1K .1 C101 G S D Q112 J175 J24 J23 J18 J17 G S D Q12 J175 250V .0033 C25 220 C7 R5 22 NOT ON PWA 330 R10 C10 100 pF 200V 22 R6 R7 8.2K R8 1/2W 22 J10 J11 .22 C28 J13 C9 .0022 100V R17 100 1/2W D12 MR-752 200V PIV D14 MR-752 200V PIV C13 1 75V P

6、IV 1N914 D7 75V PIV 1N914 D4 2W 2K R15 R38 220 10per 10W D8 1N746 3.3V R21 270 -40V 16V 1000 C27 R24 2.7K 1/2W D6 1N3070 200V PIV 100V .1 C15 4700 C22 4700 C21 -40V R33 2W 10 200V PIV D10 1N5393 10 R29 R31 .47 5W 1 2 3 4 5 6 7 J22 R36 1K R1 1K R40 2.2K C1 .1 R3 27K 75V PIV 1N914 D20 C24 .0033 250V 4

7、70 R9 2.7K R4 220 C3 22 C6 1N4740 D3 10V J9 J12 C8 100 pF 200V F1 5 A SB .68 C30 680 R16 1/2W D17 16V 1N5353B R20 2.7K 1/2W R45 10W 330 R19 33K R28 100 C19 .047 100V C18 .022 100V R32 .47 5W C TO SHEET 2 D NET00030 +40V D-GND 3.3V 1N746 D2 R102 4.7K D21 24V 1N4749 J21 .22 C29 J16 J15 J19 MJE-340 Q4

8、CW 500 AP1 TRIM R13 1.5KMPS-A56 Q3 D13 MR-752 200V PIV 10V 1N5347A D22 16V 1N5353B D16 D15 MR-752 200V PIV 100V 330 pF C14 R18 22 1/2W R23 33K D9 1N3070 200V PIV R25 100 1/2W MPS-A06 Q6 C11 100V 330 pF C23 4700 C17 .1 100V R30 22 Q11 MJ15002 200V PIV 1N5393 D11 R27 .33 10W Q10 MJ15001 4700 C20 67 1

9、425 3 J1 Label TIP SLVE_SW TIP_SW SLEEVE J2 MONO SEND TIP SLVE_SW TIP_SW SLEEVE J3 MONO RETURN 3.3V 1N746 D1 R41 2.2M C26 2.2 R2 4.7K SLVE_SW SLEEVE TIP_SW RING RING_SW TIP J4 STEREO SEND J20 J14FC1 R11 10 R14 560 .0022 100V C2 R12 27K Q2 MPS-A56 Q1 MPS-A56 C4 1 FC2 R37 220 10W 10per R44 10W 330 R22

10、 270 MPS-A56 Q7 C12 1 D5 1N746 3.3V R26 .33 10W 47 35V C16 SLVE_SW SLEEVE TIP_SW RING RING_SW TIP J5 STEREO RETURN TO LIGHTED SWITCHJ29 TIP SLVE_SW TIP_SW SLEEVE J7 SPEAKER OUT TIP SLVE_SW TIP_SW SLEEVE J6 SPEAKER OUT Q8 TIP-31C MPS-A06 Q5 TIP-32C Q9 BIAS: ADJUST AP1 AND AP101 FOR 3mV DC ACROSS R26

11、AND R126 NO SIGNAL, NO LOAD RadioFans.CN 收音机爱 好者资料库 07/09/04 10/26/04 03/23/05 C REM WFB - A B 0 4 CAUTION: ABCD Tolerance: Plot Time: Plot Date: E RO1452 F 4 2 NOTES: 1 Checked: Drawn: Released: REVDate Sheet2of NONE 2 Date: 02/09/04 Appvd by 3 1 ABCDEF 2 Tue Oct 26, 2004 Drawing Title: 1901 Congre

12、ssional, St. Louis, MO 63146 ST. LOUIS MUSIC, INC 3 Signatures: Drawing Number: 07S581 POWER AMP SCHEMATIC First Used On: THE INFORMATION CONTAINED ON THIS DRAWING IS PROPRIETARY TO Ecr(s)/Ecn(s)Chgd ByDate 1) CAUTION: SHOCK HAZARD! Drawing Type: Schematic Drawing Size: INITIAL ISSUE ADDED C28-30, D

13、ELETED OPTIONAL DIODES & TABS. CONTROL ISSUE TOUCHING INTERNAL PARTS. Class Code: WFB DESCRIPTION 3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE 2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL. AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE THAT EXPLAINED IN THE OPERATING INSTRUCTIONS. TO

14、AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL. AND 10 MEGOHM DIGITAL VOLTMETER. THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERS

15、ONNEL. B D AA +40V C D102 3.3V 1N746 D101 1N746 3.3V R104 2.7K R110 330 R112 27K R111 10 560 R114 HS3 C112 1 R123 33K C114 330 pF 100V Q109 TIP-32C Q108 TIP-31C -40V 47 35V C116 200V PIV 1N5393 D111 22 R130 C118 .022 100V C102 .0022 100V 22 R105 MPS-A56 Q103 C106 22 MJE-340 Q104 CW 500 AP101 TRIM R1

16、13 1.5K C113 1 R118 22 1/2W D109 1N3070 200V PIV D105 1N746 3.3V R124 2.7K 1/2W D106 1N3070 200V PIV C111 330 pF 100V .33 R127 10W 10 R129 FROM PAGE 1 C107 220 R109 470 Q101 MPS-A56 FROM PAGE 1 FROM PAGE 1 1N914 D107 75V PIV Q107 MPS-A56 C108 100 pF 200V Q102 MPS-A56 Q105 MPS-A06 MPS-A06 Q106 C109 .

17、0022 100V C5 .1 D108 1N746 3.3V R122 270 R121 270 R119 33K R116 680 1/2W 2W 2K R115 R128 100 R132 .47 5W.047 100V C119 27K R103 100 1/2W R117 C110 100 pF 200V 75V PIV 1N914 D104 22 R106 R125 100 1/2W R120 2.7K 1/2W R131 .47 5W R133 10 2W TIP SLVE_SW TIP_SW SLEEVE J106 SPEAKER OUT 200V PIV 1N5393 D110 R126 .33 10W TIP SLVE_SW TIP_SW SLEEVE J107 SPEAKER OUT MJ15002 Q111 Q110 MJ15001 RadioFans.CN 收音机爱 好者资料库