Fender Bassman 400, Service Manual

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BASSMAN 400/400H
PRINTED CIRCUIT BOARD ASSEMBLY – PREAMP (cont)
QTY PART # DESCRIPTION REFERENCE DESIGNATION
2 0053563000 CONTROL SNAPIN 50k 30C DUAL R56 R70
LowFreq HighFreq
31 0006260001 DIODE 1N4448 SIGNAL LL D1-14 D16-24 D26-28 D31-33 D35-36
1 0027327001 DIODE ZEN 1N5234B 6.2V 5% LL D25
1 0031635001 DIODE ZEN 1N5240B 10V 5% LL D37
11 0016795000 IC DUAL OP-AMP TL072 U1-8 U10 U13-14
1 0027404000 IC CA3080AE OTA U9
4 0031611000 IC DUAL OP-AMP PC4560 U11-12 U15-16
1 0053450000 JACK STEREO R/A J1
Input
2 0030755000 LED GREEN T-1 3mm DIFFUSED D29 D38
4 0036178000 SPACER LED .5x.1 BRN @ D29 D30 D34 D38
1 0040271000 LED RED/YELLOW D15
2 0049948000 LED, RED LONG LEAD LUMEX D30 D34
2 0024937001 RES CF 1/4W 5% 10 ohm LL R143 R146
1 0024952001 RES CF 1/4W 5% 100 ohm LL R99
2 0024956001 RES CF 1/4W 5% 220 ohm LL R112-113
3 0024962001 RES CF 1/4W 5% 560 ohm LL R102-103 R144
3 0024963001 RES CF 1/4W 5% 680 ohm LL R78 R91 R130
1 0024965001 RES CF 1/4W 5% 1k LL R139
1 0024973001 RES CF 1/4W 5% 3.3k LL R1
3 0024977001 RES CF 1/4W 5% 4.7k LL R11-12 R133
4 0024978001 RES CF 1/4W 5% 5.6k LL R36 R50 R100-101
1 0028948001 RES CF 1/4W 5% 6.2k LL R87
1 0024979001 RES CF 1/4W 5% 6.8k LL R38
33 0024981001 RES CF 1/4W 5% 10k LL
R3 R5 R10 R14 R20-21 R31 R46-47 R49 R51 R57-58 R64-65 R71-
73 R79-81 R89 R98 R104-107 R118 R121 R125-126 R141-142
2 0024983001 RES CF 1/4W 5% 12k LL R23 R132
2 0029006001 RES CF 1/4W 5% 20k LL R82-83
7 0024987001 RES CF 1/4W 5% 22k LL R109 R114-117 R123 R128
6 0024988001 RES CF 1/4W 5% 27k LL R15 R19 R24 R28 R134-135
5 0024989001 RES CF 1/4W 5% 33k LL R22 R75 R84 R96-97
10 0024993001 RES CF 1/4W 5% 47k LL R6-8 R29-30 R33 R45 R76 R131 R140
1 0024994001 RES CF 1/4W 5% 56k LL R9
2 0026507001 RES CF 1/4W 5% 62k LL R86 R92
6 0024995001 RES CF 1/4W 5% 68k LL R52 R54 R59 R61 R66 R68
4 0024996001 RES CF 1/4W 5% 82k LL R16 R18 R95 R136
10 0024997001 RES CF 1/4W 5% 100k LL R32 R53 R55 R60 R62 R67 R69 R111 R119 R122
1 0028549001 RES CF 1/4W 5% 110k LL R138
1 0024999001 RES CF 1/4W 5% 150k LL R137
2 0025059001 RES CF 1/4W 5% 220k LL R127 R129
6 0025063001 RES CF 1/4W 5% 390k LL R2 R4 R35 R40 R42 R44
8 0025069001 RES CF 1/4W 5% 1M LL R25-27 R74 R77 R85 R108 R124
3 0025073001 RES CF 1/4W 5% 1.5M LL R88 R90 R93
1 0027872001 RES CF 1/2W 5% 1.2k LL R110
1 0026549001 RES CF 1/2W 5% 1.5k LL R145
4 0028091000 SWITCH PUSH SLFLK SHORT STROKE S1-4
4 0048451000 BUTTON PUSH OFF WHITE @ S1-4
2 0016739003 XSTR NPN 2N4401 TO-92 Q9-10
2 0016742003 XSTR PNP 2N4403 TO-92 Q7-8
6 0041465003 XSTR N-CH JFET J113 TO-92 Q1-6
1 0055683000 PCB FAB BASSMAN 400 PREAMP