Gallien-krueger_200MV_Service_Manual电路图.pdf

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1、? ? RadioFans.CN 收音机爱 好者资料库 ? ? ? ? ?!? #? ?$#?%? master 0; Graphic EQ flat; Aux. tones 0; echo 0; switches out; phantom switch off; speaker load on. 3)Gradually adjust variac to 20Vrms. Reg. Supplies 4.3V +or- .5VU19-P8 2V +or- .5V -2.8V +or- .5V P4 -1V +or- .5V. 4)Continue to adjust to 70Vrms. Wat

2、ch variac, listen to speaker. Amp should not draw current and output will go 7V then +10V then snap to 0 between 30-40Vrms. Between 60-70Vrms out may go +7V then snap to 0. 5)Continue to adjust variac to 120Vrms. 6)Turn speaker load off and set bias. Adjust R212 to get 5mV across R201, R211 ( the mo

3、st positive of the two) and R225, R225 (the most negative of the two). 7)Phantom switch test. Turn on phantom switch. Pins 2 and 3 at input should =15V. 8)Channel 1 input (+10dB 100Hz sine) A)Peak indicator should be lit. Signal at U2-P1 should clip evenly. Attenuate input signal so that clipping go

4、es away. Peak indicator should turn off as soon as clipping disappears. B)Return input to +10dB. C)Push in 10dB switch. Signal should attenuate by 10dB. D)Attenuate input to 0dB. E)Check direct out 1 should = 30mVrms at pins 2 and 3. 9)Plug into Channel 2 input (0dB 100Hz). A)U3-P1 should = 4Vrms. B

5、)Increase input signal back up to +10dB. C)Peak indicator should be lit. Signal at U3-P1 should clip evenly. Attenuate input signal until clipping goes away. Peak indicator should turn as soon as clipping disappears. 10)Set input signal to 0dB. Increase level 2 slightly. Signal at U2-P7 should = U7-

6、P1. 11)Set the following: Master on 10. Attenuate input signal to-20dB. Level 2 at 10. 12)Adjust limiter. Adjust R178 for a flat response at U20-P2 (compare limiter figure). Output should = 30Vrms. 13)Set the following: 4 ohm load. 14)Check for full power. Output should = 20Vrms w/o clipping or boun

7、cing. 15)Current limiter test. With a 2 ohm load, output should be clean sine wave and =12Vrms. 16)No load. Check the following: line out = 3.5Vp-p. Direct Out 2 = 1.1Vp-p (switch off), 3.5Vp-p (on). 17)Set the following: square wave input (-20dB 100Hz), level 2 at 5. 18)Test graphic EQ and compare

8、EQ figures. 19)Echo test. Audio test echo, echo at U7-P7 should = echo at U8-P1. 20)Switch back to sine input (-20dB 100Hz). 21)Test aux. 1 and 2 inputs. Aux. 1 input, aux. level at 10:Output = 33Vrms. Aux. output = 100mVrms. Aux. 2 input, aux. level at 10:Output = 22Vrms. Aux. output = 50mVrms. 22)

9、Set the following: square input (-20dB 100Hz); Aux. level at 9 oclock; tones, master on 10. 23)Test aux. tones and compare figures. 24)Check headphone jack. 25)Noise and tap test. Noise or = 200mVrmsLevels 10, master 10, aux. level 10, EQ 10, aux. tone 10, echo 10. 100mVrmsLevels 0, everything else

10、on 10. 12mVrmsLevels 0, aux. level 0, EQ 0, master 0. 3mVrmsMaster 0 Noise should be clean, without popping or crackling. Sharply tap brain on bench a few times to make sure nothing fails. SW-Rev. 8/30/99200MV INDENTED BILL OF MATERIALS NOTE:Level 1 refers to main assembly parts. Level 2 refers to b

11、oard level components. Main assemly parts are in bold face, while commonly needed parts are italicized. LVLPART#DESCRIPTIONQTYREF. DESIG. 1010-0012-0MPSA06 NPN 80V 500MA TO-921 1011-0023-0TIP29C NPN 100V 1A TO-220 FP1 1011-1035-0TIP30C PNP 100V 1A TO-2201 1012-0085-0TIP-35CFP NPN 100V 25A TO2182 101

12、2-1086-0TIP 36CFP,PNP,100V,25A,TO-218,PECOR2 1025-0116-0RED LED,1.5MCD,120 DEG,T-12 1080-0488-0X-FORMER BACKLINE,DOMESTIC0 1080-0489-0X-FORMER BACKLINE,EXPORT0 1082-0037-0SPEAKER,6.5,32MM VC,Z=16 PAN-VOICE2 1090-0005-0SWITCH,ROCKER,DPDT,4A,QUICK-TERM1 1091-0003-0FUSE, 3A,125V,1/4X1 1/4,SLB1 2799-TES

13、T-0TRY OUT0 1092-0009-0XLR,MALE,PC TERM TRIANGLE2 1092-0064-0Q-CON, .25 TAB,18-22GA,INSULATED12 1093-0014-0RECEPTICAL AC,Q-TERM1 1093-0032-0HOUSING,3X.156,FEMALE 22GA,LOCK1 1093-0035-0HOUSING,4X.156,FEMALE 22GA,LOCK1 1094-0013-0HOLDER,FUSE,1/4 X 1 1/4,Q-TERM1 1095-0005-0POWER CORD,117V PLUG,DETACH1

14、1100-0012-0GROMIT,3/16 X.1001 1100-0027-0BUTTON,ROUND BLACK CAP - PUSH SWITCH1 1100-0028-0BUTTON,SQUARE BLACK CAP - MINI SWITCH2 1100-0032-0INSULATOR,MICA,56-77-11AP,TO-2202 1100-0037-0HEAT CLIP,TO-981 1100-0072-0GROMMET,.187 I.D.4 1100-0076-0FOOT,RUBBER,ROUND,5/8DIA. X 5/84 1100-0080-0HANDLE RUBBER

15、,101 1100-0098-0KNOB,GRAY,6X15MM SPLINE SHAFT7 1100-0108-0X-FORMER BRACKET,FOR BACKLINE4 LVLPART#DESCRIPTIONQTYREF. DESIG. 1111-0061-0BOLT 4-40 3/8 PHP CAD4 1111-0081-0BOLT 4-40 1/2 PHP CAD6 1111-3041-0SCREW 4AB 1/4 PHP CAD4 1111-4060-0SCREW 4AB 3/8 FHP 82 B.O.2 1111-4080-0SCREW 4AB 1/2 FHP 82 B.O.4

16、 1111-6001-0NUT 4-40 KEP SMALL4 1111-6011-0NUT 4-40 HEX SMALL CAD6 1111-7011-0WASHER #4 SPLIT6 1112-0051-0BOLT 6-32 5/16 PHP CAD4 1112-1050-0BOLT 6-32 5/16 FHP 82 B.O.11 1112-1100-0BOLT 6-32 5/8 FHP 82 B.O.4 1112-4080-0SCREW 6AB 1/2 FHP 82 B.O.28 1112-4081-0SCREW 6AB 1/2 FHP 82 CAD1 1112-7001-0WASHE

17、R #6 FLAT CAD8 1112-8060-0TR-BOLT 6-32 3/8 PHP B.O.2 1113-0080-0BOLT 8-32 1/2 PHP B.O.8 1113-0221-0BOLT 8-32 1 3/4 PHP CAD4 1113-6011-0NUT 8-32 KEP CAD16 1114-0080-0BOLT 10-32 1/2 PHP B.O.2 1115-7005-0WASHER 3/8 FIBRE FLAT1 1115-7021-0WASHER 3/8 INTERNAL CAD9 1115-7031-0WASHER SMALL 3/8 LOCK CAD4 11

18、16-2041-0BOLT 2M X 4 PHP B.O.4 1130-0004-0OVERLAY,206 GRILL1 1132-0349-A200MK/MV TOP COVER1 2120-0005-0ALUM .10098 1132-0375-C200MV FRONT PANEL1 2112-6016-0NUT 6-32 CAPTIVE5 2120-0007-0ALUM .06354 1132-0376-B200MV REAR PANEL1 2112-6016-0NUT 6-32 CAPTIVE10 2120-0005-0ALUM .10045 1132-0378-E200MV BAFF

19、LE1 LVLPART#DESCRIPTIONQTYREF. DESIG. 2120-0005-0ALUM .100288 1132-0379-B200MV RIGHT SIDE1 2114-6046-0NUT 10-32 CAPTIVE1 2120-0005-0ALUM .10096 1132-0380-B200MV LEFT SIDE1 2114-6046-0NUT 10-32 CAPTIVE1 2120-0005-0ALUM .10096 1132-0381-C200MV GRILL1 2120-0011-0STEEL,18 GAUGE JET COAT,.048150 1132-039

20、0-F200MV BACK SERIES 2,11 2120-0005-0ALUM .100288 1206-0054-B200MV AMP1 2001-0001-0MN3011 MULTI-TAP BBD1U15 2001-0006-0MN3007 1024 STAGE BBD1U14 2001-1030-0LF353N DUAL JFET OP AMP14U2,3,4,5,6,7,8,9,16,18,19,20,21 2001-1038-0LM386 LOW VOLTAGE POWER AMP1U12 2001-1042-0RC5532NB BI-POLAR OP-AMP2U1,11 20

21、01-2044-0MN3101 CLOCK GENERATOR/DRIVER1U13 2001-4043-0NE571 DUAL COMPANDOR1U17 2001-4045-0NE572 DUAL COMPANDOR1U10 2010-0012-0MPSA06 NPN 80V 500MA TO-925Q4,6,7,14 2010-1013-0MPSA56 PNP 80V 500MA TO-925Q3,5,13,16,18 2010-2010-0J113 N-JFET 35V 2MA TO-922Q1,2 2011-0023-0TIP29C NPN 100V 1A TO-220 FP1Q8

22、2011-1035-0TIP30C PNP 100V 1A TO-2202Q9,19 2020-0036-01N747A,ZENER,3.6V,5%,400MW,DO-352D15,16 2020-0120-01N759A,ZENER,12V,5%,400MW,DO-356D3,4,17,18,32,33 2020-0160-01N966B,ZENER,16V,5%,400MW,DO-352D28,30 2020-0200-01N968B,ZENER,20V,5%,400MW,DO-351D29 2020-1103-01N914 ,RECT-FAST,200MA,100V,4NS,DO-351

23、5D1,2,6,7,8,9,10,11,12,13,19,20,21,22,23 2020-2105-01N4002,RECT,1A,150V,DO-415D24,25,26,27,31 2023-0109-0KBPC-102 BRIDGE RECT 3A,200V,C219K1BRIDGE RECTIFIER 2025-0101-0LED-GREEN,6MCD,80 DEG,T-12 LVLPART#DESCRIPTIONQTYREF. DESIG. 2030-0223-0CAP,CERAMIC AXIAL,223,30%,16V3 2030-1103-0CAP,CERAMIC AXIAL,

24、103,30%,25V7C12,18,24,80,98,102,104 2030-2101-0CAP,CERAMIC AXIAL,101,5%,50V9C10,26,27,28,51,52,61,89,109 2030-2102-0CAP,CERAMIC AXIAL,102,10%,50V3C1,2,25 2030-2104-0CAP,CERAMIC AXIAL,104,10%,50V,XR7,.39 2030-2222-0CAP,CERAMIC AXIAL,222,10%,50V10C23,32,67,69,70,73,76,77,100,103 2030-2224-0CAP,CERAMIC

25、 AXIAL,224,20%,50V,XR71C15 2030-2271-0CAP,CERAMIC AXIAL,271,10%,50V5C68,71,96,106,107 2030-2470-0CAP,CERAMIC AXIAL,47,5%,50V1C83A 2030-2472-0CAP,CERAMIC AXIAL,472,10%,50V1C20 2030-2473-0CAP,CERAMIC AXIAL XR7,473,10%,50V5C14,21,35,38,55 2030-2474-0CAP,CERAMIC AXIAL Z5U,474,20%,50V1C13 2030-2561-0CAP,

26、CERAMIC AXIAL,561,10%,50V1C62 2031-1227-0CAP,ELECTROLYTIC RADIAL,227,-10%+50%,25V11C4,6,56,58,59,60,72,90,92,101,105 2031-1336-0CAP,ELECTROLYTIC RADIAL,336,-10%+50%,25V2C40,45 2031-2105-0CAP,ELECTROLYTIC RADIAL,105,-10/+20%,50V2C41,43 2031-2106-0CAP,ELECTROLYTIC RADIAL,106,-10%+50%,50V4C3,5,7,8, 203

27、1-2227-0CAP,ELECTROLYTIC RADIAL,227,-10%+50%,50V1C97 2031-2335-0CAP,ELECTROLYTIC RADIAL,335,20%,50V33C9,11,29,30,33,34,36,37,39,42,44,46,47,48, 49,50,53,63,64,65,74,75,78,79,81,82,83,84, 85,86,87,91,93,108,110 2038-2478-0CAP,ELECTROLYTIC AXIAL,478,20%,50V2C94,95 2051-0101-0RES,CARBON FILM,10 OHM,1/4

28、W,5%2R127,128,216 2051-0221-0RES,CARBON FILM,22 OHM,1/4W,5%5R129 2051-0470-0RES,CARBON FILM, 4.7 OHM,1/4W,5%2R230,236 2051-1001-0RES,CARBON FILM,100 OHM,1/4W,5%4R7,218,233 2051-1002-0RES,CARBON FILM,1K OHM,1/4W,5%15R41,47,48,52,55,56,58,61,83,109,125,184, 196,202,224 2051-1004-0RES,CARBON FILM,100K

29、OHM,1/4W,5%24R36,42,51,53,57,59,62,100,132,133,134,137 144,146,156,159,163,170,177,179,182,199, 199A,242 2051-1005-0RES,CARBON FILM,1M OHM,1/4W,5%7R33,50,80,82,87,89,189,252 2051-1203-0RES,CARBON FILM,12K OHM,1/4W,5%20R29,31,40,77,88,104,105,111,114,121,122, 123,191,201,203,205,210 2051-1204-0RES,CA

30、RBON FILM,120K OHM,1/4W,5%6R140,142,152,244 2051-1504-0RES,CARBON FILM,150K OHM,1/4W,5%2R148,150 LVLPART#DESCRIPTIONQTYREF. DESIG. 2051-2202-0RES,CARBON FILM,2.2K OHM,1/4W,5%4R99,187,221,235 2051-2203-0RES,CARBON FILM,22K OHM,1/4W,5%17R23,26,32,44,72,130,175,180,181,183,195, 231,234,254,256,257,258

31、2051-2204-0RES,CARBON FILM,220K OHM,1/4W,5%6R116,131,206,208,211,213 2051-2206-0RES,CARBON FILM,22M OHM,1/4W,5%1 2051-3302-0RES,CARBON FILM,3.3K OHM,1/4W,5%5R222,223,237,253,255 2051-3303-0RES,CARBON FILM,33K OHM,1/4W,5%9R35,43,107,108,112,155,160,171,241 2051-3304-0RES,CARBON FILM,330K OHM,1/4W,5%1

32、R185 2051-3904-0RES,CARBON FILM,390K OHM,1/4W,5%3R71,73,153 2051-4701-0RES,CARBON FILM,470 OHM,1/4W,5%5R209,212,217,219,220 2051-4702-0RES,CARBON FILM,4.7K OHM,1/4W,5%5R30,64,126,197,198 2051-4703-0RES,CARBON FILM,47K OHM,1/4W,5%15R25,34,67,74,85,95,101,119,157 158,172,176,178,194,245 2051-4704-0RES

33、,CARBON FILM,470K OHM,1/4W,5%2R65,96 2051-5602-0RES,CARBON FILM,5.6K OHM,1/4W,5%1 2051-5602-0RES,CARBON FILM,5.6K OHM,1/4W,5%10R5,6,84,86,92,93,135,136,188,190 2051-5603-0RES,CARBON FILM,56K OHM,1/4W,5%10R27,66,76,141,143,145,147,149,151,193 2052-0000-0RES,METAL WIRE, 0 OHM,1/4W,1%10 2052-1213-0RES,

34、METAL FILM,12.1K OHM,1/4W,1%4R248,249,250,251 2052-2003-0RES,METAL FILM,20K OHM,1/4W,1%6R1,4,8,9,10,12 2052-2200-0RES,METAL FILM,22 OHM,1/4W,1%4R2,3,240,243 2052-2212-0RES,METAL FILM,2.21K OHM,1/4W,1%6R15,19,21,24,168,173 2052-4701-0RES,METAL FILM,470 OHM,1/4W,1%2R16,17 2052-4703-0RES,METAL FILM,47K

35、 OHM,1/4W,1%2R14,18 2054-2702-0RES,CARBON FILM,2.7K OHM,1W,5%4R186,204,227,229 2056-.330-0RES,CERAMIC WW,.33 OHM,5W,10%4R215,226,238,239 2056-0500-0RES,CERAMIC WW,5 OHM,5W,10%1R228 2070-0506-0POT,50KA,9MM,PLASTIC KNURL 14MM,.05W1R118 2070-0508-0POT,1K TRIM,6MM,SLOT,.3W1R225 2070-0509-0POT,20K TRIM,6

36、MM,SLOT,.3W2R103,192 2070-0514-0POT,50KB,LINEAR,9MM,METAL KNURL 9MM,.16 2090-0002-0SWITCH,DIP,SPST,.1A,PC-TERM1S1 2090-0012-0SWITCH,MINI PP,DPDT,.1A BRK/MAKE,PC TERM2 2090-0014-0SWITCH,PP,DPDT,.2A,BREAK/MAKE,PC MOUNT1 LVLPART#DESCRIPTIONQTYREF. DESIG. 2092-0201-0JACK SW-RN112APC,1/4,S-TIP,SLDR TERM3

37、 2092-0203-0JACK SW-RN111PC,1/4,O-TIP,P.C. TERM3 2092-0204-0JACK SW-RN112BPC,1/4,O-TIP,O-RING,P.C.1 2093-0028-0HEADER,3X.156,MALE,LOCK1J4 2093-0029-0HEADER,4X.156,MALE,LOCK1J6 2145-0054-0200MV BOARD1 1206-0055-A200MV SLIDE POT ASY1 2070-0503-0POT,50K LINEAR SLIDE,20MM7 2145-0055-0200MV SLIDE POT BOARD1 1602-0007-0FORMS,WARRANTY CARDS1