Johnson JM-150 free download

File name JM150 AMP SCHEMATIC.pdf

REV DISCRIPTION ECN DATE REV ECN DATE P0 PROTOTYPE, POWER AMP BOARD 11-26-96 P1 PROTOTYPE, POWER AMP BOARD 3.14.97 P2 PROTOTYPE, POWER AMP BOARD 4.30.97 A0 RELEASE TO PRODUCTION REV A0 5.5.97 A1 ADD 2 SPACERS TO PARTLIST 6.13.97 A2 CHANGE VALUE OF R25, R22, R26, JP7 ADD 3 (28-0058), 2 (28-0059), DEL 3 (28-0060) ADD 1 680PF CAP IN PARALLEL WITH L6 1851 10.31.97 A3 1961 1.6.98 A4 UPDATE RIBBON CABLES TO KEYED ONES TO AVOID CONFUSION. REPLACE R46 AND R63 W/ 52-0376. 2063 3-4-98 B0 HOLE SIZE CHANGES ON THE BOARD, RELEASE REV B 2182 4.22.98 |LINK |056094B0.001 |056094B0.002 Digitech 8760 South Sandy Parkway Sandy, Utah 84070 Title JM150 AMP Power/Jack Board 80-6094 Size B Date: Document Number 056094B0.000 Tuesday, October 05, 1999 Sheet 0 of 2 Rev B0 +42V R94 18K R82 4.7K C19 47S63E 2 1 2 Q18 TIP142-HR 3 D12 1N4005R R78 10K R56 2K R84 4.7K D10 1N4148R D11 1N5237B R93 3.3K 1 Q16 TIP142-HR 3 H2K PA7X2 11 2 Q12 MPSA56 1 R81 1.00K 1% 2 Q15 2N6427 MPSA06 Q17 3 2 R91 1K R88 4.7K L17 L260195 1 R86 .5 5W R89 .5 5W R83 47 2W RIGHT SPEAKERS OUT 2 2 4 1 J7 J320097 3 1 1 R80 1.21K 1% R92 750 R90 1K R85 4.7K 3 H2L PA7X2 12 3 R69 750 3 2 MPSA56 Q13 C17 47PJD 1N4148R D9 1 R70 1K R66 4.7K R71 .5 5W R61 .5 5W R87 5 2W C20 .10J 2 4 1 J8 J320097 R73 1K R74 4.7K 3 Q14 TIP147-HR 3 Q10 TIP147-HR 3 1 R65 4.7K R76 3.3K Q11 2N5551 2 D8 1N5237B 1 NOTE: R77 18K D7 1N4005R -42V +42V R7 18K 2 2 R62 1K ! R63 200 1% ! R46 & R63 = 200 OHM 1% 1/4W METAL-OXIDE, FLAMEPROOF R27 4.7K C6 47S63E 2 D2 1N4148R R8 3.3K 1 Q3 TIP142-HR 3 D3 1N4005R R47 10K R29 4.7K D1 1N5237B 1 Q1 TIP142-HR 3 H2M PA7X2 13 R48 2K Q9 MPSA56 2 R32 1.00K 1% 1 1 R9 1K R16 4.7K LEFT SPEAKERS OUT 2 3 R31 1 1.21K 1% Q4 2N6427 MPSA06 Q2 3 2 R11 4.7K L5 L260195 1 R19 .5 5W R24 .5 5W R30 47 2W 2 2 4 1 R10 750 R15 1K J5 J320097 3 H2N PA7X2 14 3 R43 750 3 MPSA56 Q7 1 1 C13 47PJD 1 -42V R49 4.7K D5 1N4148R H1 PA1 H4 PA1 1 +42V 2 R44 1K R39 4.7K R36 .5 5W R37 .5 5W R51 5 2W C15 .10J J6 J320097 2 4 1 3 R45 1K R35 4.7K 1 3 Q5 TIP147-HR 3 H5 PA1 H7 PA1 H6 PA1 Q8 2N5551 D4 1N5237B R42 3.3K 1 1 Q6 TIP147-HR 2 +42V R46 200 1% 2 1 R50 1K ! R38 18K D6 1N4005R -42V Digitech 8760 South Sandy Parkway Sandy, Utah 84070 Title JM150 AMP Power/Jack Board 80-6094 Size B Date: Document Number 056094B0.001 Tuesday, October 05, 1999 Sheet 1 of 2 Rev B0 H3 PA1 1 -42V R67 6.04K 1% C16 10ME1 H2E PA7X2 5 R55 4.7K R53 100K R54 2.67K 1% R64 10.0K 1% 2 3 U2A 1 NE5532 4 -12V R57 4.53K 1% R58 60.4 1% C12 10S50E L13 FB260215R L15 FB260215R C8 680PMD1 R40 10.0K 1% C GND (TO H6) H2D PA7X2 4 L4 FB260215R FX LOOP RETURN J2 J320086 1 4 2 3 R52 3.16K 1% R59 3.24K 1% R60 4.53K 1% +12V C GND R68 3.16K 1% 8 3 5 7 6 R79 10.0K 1% U2B NE5532 R75 5.76K 1% 10.0K 1% C18 25PJD1 R41 C GND C10 680PMD1 J4 J320200 R72 60.4 1% C14 10S50E L14 FB260215R L12 FB260215R DIRECT/RECORD OUTPUT RIGHT L16 FB260215R H2C PA7X2 H2G PA

File name JM150 MAIN SCHEMATIC.pdf

REV DISCRIPTION ECN DATE REV ECN DATE P0 PROTOTYPE, POWER AMP BOARD (NOT THE SAME LAYOUT) 8.20.96 AM CHANGE TUBES TO 76-0002 480 3.30.99 P1 PROTOTYPE, ADD MAIN BOARD, THEN REMOVE POWER AMP SECTION 11-8-96 AN CHANGE SDISCII FROM 72-3180 TO 72-5500 620 6.21.99 P2 PROTOTYPE 1-2-97 AP CHANGE LITHIUM BATTERY AND HOLDER TO BUTTON BATTERY W/TABS. 1266 6-6-00 P3 PROTOTYPE 3.11.97 AQ Install V 1.140 Software 1546 02-06-01 P4 PROTOTYPE 3-19-97 A0 PRODUCTION RELEASE 5-3-97 A1 CHANGE SOME PART VALUES, ADD TWO 1N4148 DIODES. 5-21-97 A2 CHG (V1) TUBE FROM SOVTEK 12AX7WA (76-0002) TO GROOVE TUBE 12AX7 1683 (76-0001). REMOVE C261, C262, AND C263. 6-20-97 A3 ADD 50-0317 AT POSITION C103. 1705 7-16-97 A4 REPLACE 5" RIBBON CABLE (32-1204) W/ 7" RIBBON CABLE (32-1219-A). 1709 7-16-97 A5 CHANGE FLASH EPROM FROM V1.00 TO V1.01. 1828 10-21-97 CHANGE RESISTOR VALUES: A6 R249 TO 330 OHM. R124 TO 330 OHM; R250 TO 680 OHM; 1852 10-30-97 MOVE GROUNDING BRACKET (14-2213-A), AND SWITCH CAPS (34-0035) A7 FROM 05-6295 TO 04-6295. 1885 11-13-97 A8 INSTALL 0 ohm JUMPER (50-0050) BY J1 AND J2, 1962 CHANGE R174 & R192 FROM 10K TO 15K 1.5.98 A9 UPDATE SOFTWARE TO V1.02. CHANGE V2 TO 12AX7WA (76-0003). 2004 2-5-98 AA CHANGE CABLES TO KEYED ONES TO PREVENT CONFUSION. 2063 3-4-98 AB UPDATE SOFTWARE TO VERSION 1.03. 2101 3-20-98 AC CHANGE H5,7,9,11,15,18,19 TO 32-1083, H17 TO 32-2000 2216 5.13.98 AD CHANGE C4,8 FROM 60-0406 TO 60-0310 2288 6.11.98 AE CHANGE V1 TUBE FROM 76-0001 TO 76-0003 94 8.3.98 AF CHANGE U63 FRO 72-3181 TO 72-3178 142 9.4.98 AG EEPROM CHANGE FROM V1.03 TO V1.04 150 9.11.98 AH CHANGE SOFTWARE FROM V1.04 TO V1.05 167 9.24.98 AI CHANGE U63 FROM 72-3178 TO 72-3181 202 10.15.98 AJ CHANGE U61,62 TO 54-0353, R390 TO 15K, R388 TO 750 OHM C239 TO 15U LL 254 11.19.98 AK CHANGE U63 FROM 72-3181 TO 72-3180 309 1.8.99 AL ADD 1 EACH 10U TANT 62-0163 ACROSS C236 AND C247 313 1.14.99 |LINK |056295AQ.001 |056295AQ.002 |056295AQ.003 |056295AQ.004 |056295AQ.005 |056295AQ.006 |056295AQ.007 |056295AQ.008 |056295AQ.009 |056295AQ.010 |056295AQ.011 |056295AQ.012 |056295AQ.013 |056295AQ.014 Digitech 8760 South Sandy Parkway Sandy, Utah 84070 Title JM-150 Main Board 80-6295 Size B Date: Document Number 056295AQ.000 Wednesday, February 07, 2001 Sheet 0 of 14 Rev AQ R18 10K-7 R14 10K-7 B+ B+ R20 1M-7 PA1 1 PA1 C4 10S400E C5 OMIT (10S400E) +12V NORMAL J2 J320119 2 5 4 1 L1 FB260217 R17 10K-7 FB260217 L6 R13 62K-7 2 3 100K402011 P1A 3 1 2 V1A 12AX7A2 1 R10 100K-7 C24 .1J400F R49 100K-7 R54 10K-7 R29 220K-7 NJM4560/SM 3 2 R25 0-7 4 -12V R33 20K-7 C52 1M50E1 R62 470K-7 R56 33K-7 -12V (TO H1) H1B PA5 2 BRIGHT J1 J320119 L5 FB260217 2 5 4 1 L3 FB260217 (TO H1) H1C PA5 3 H1A PA5 1 H1D PA5 4 H1E PA5 5 R48 10K-7 R36 62K-7 R27 220K-7 V1B 12AX7A2 6 7 6 .1J400F C31 100K402011 P1B 8 5 4 C22 .0022J R30 10K-7 U3A 1 +12V R79 20K-7 Q3 2N5088 5 6 U3B 7 LEDR701902 D2 R55 6.8K-7 R57 10K-7 3