PARTS LIST
PREAMP
PRINTED CIRCUIT BOARD ASSEMBLY (CONT)
QTY PART # DESCRIPTION REFERENCE DESIGNATION
1 033582 CAP PF RDL 100V .0039uF 10% C28
1 033583 CAP PF RDL 100V .0047uF 10% C43
7 033586 CAP PF RDL 100V .0068uF 10% C33,109
1 064089 DIODE 1N4003 CR2
1 006260 DIODE 1N4448 SIGNAL BENT CR1
1 027416 HEADER 8 PIN P1
21 016795 IC DUAL OP-AMP TLO72C U1-9,101,102
7 030771 JACK 1/4" PCB 2COND SCC J1,3-8
6 030987 JACK 1/4" PCB 3COND DOC J102
1 025933 JACK PHONO DUAL PC MOUNT J2 (RCA) (SR6520/8520/P)
1 049295 JACK RCA QUAD VERT PC MOUNT J2A,B (SR6520/8520 PD)
6 037248 JACK XLR FEMALE PC MOUNT J101
1 028098 LED 5X5mm GREEN SLB-55MG3 LD3
1 028039 LED 5X5mm RED SLB-55VR3 LD1
1 028097 LED 5X5mm YELLOW SLB-55YY3 LD2
1 031879 POT RTRY 50K 30A TAPER R6
23 031266 POT RTRY 50K B TAPER R8,19,22,29,30,117,120,122
18 033002 POT RTRY 50KB TAPER CNTR DT R110-112
9 031267 POT SLIDE 50KB 45mm CNTR DT R33-37,40-43 (SR6520/8520/P)
9 040534 CONTROL SL 60MM CSE 50K PANASONIC R33-37, 40-43 (SR6520/8520PD)
1 024942 RES CF 1/4W 22ohm 5% R2
1 024947 RES CF 1/4W 47ohm 5% R14
6 024965 RES CF 1/4W 1K 5% R11,15,21,24,28,46
2 024969 RES CF 1/4W 1.5K 5% R1,10
34 024971 RES CF 1/4W 2.2K 5% R25,48,50,52,54,56,58,60,62,64,
R109,115,116,119
2 024980 RES CF 1/4W 8.2K 5% R39,44
7 024981 RES CF 1/4W 10K 5% R3-5,12,13,32,38
1 024985 RES CF 1/4W 15K 5% R27
1 024987 RES CF 1/4W 22K 5% R31
23 024993 RES CF 1/4W 47K 5% R7,16-18,26,118,121,123
2 029613 RES CF 1/4W 91K 5% R55,63
10 024997 RES CF 1/4W 100K 5% R9,20,23,45,113
1 028549 RES CF 1/4W 110K 5% R53
6 024999 RES CF 1/4W 150K 5% R114
1 025058 RES CF 1/4W 180K 5% R61
2 025059 RES CF 1/4W 220K 5% R51,59
PARTS LIST
PREAMP
PRINTED CIRCUIT BOARD ASSEMBLY (CONT)
QTY PART # DESCRIPTION REFERENCE DESIGNATION
2 029450 RES CF 1/4W 240K 5% R47,57
1 025061 RES CF 1/4W 330K 5% R49
24 031819 RES MF 1/4W 1.82K 1% R101-104
24 031818 RES MF 1/4W 18.2K 1% R105-108
3 036375 SPACER RND NYL .147X.250X.720 (AT LD1-3)
5 033574 STANDOFF SWEDGE 4-40X.937
2 029904 SWITCH PUSHBUTTON PC MOUNT S1,2
1 027113 TERMINATION RING #6 18-14GA (CRIMPED ON GND WIRE)
.5ft 027182 WIRE 18GA BONDED BLACK (GND TO FOIL SHIELD)
1 016739 XSTR NPN 2N4401 TO-92 Q1
FRONT PANEL PREAMP ASSEMBLY
42 9904814100 BUSHING SNAP-IN (POT SHAFT)
1 033326 CABLE RIBBON 8 CIRCUIT (INTERCONNECT) (SR6520/8520/P
9 028939 KNOB,GRAPHIC EQUALIZER (SR6520/8520/P)
9 041109 KNOB EQ BXR SERIES (SR6520/8520PD)
2 028841 KNOB PUSHBUTTON
18 028797 KNOB RTRY DARK BLUE (LOW/MID/HIGH)
7 028800 KNOB RTRY LIGHT GRAY (LEVEL)
2 038511 KNOB RTRY SALMON 177C (MAIN REV,MON REV)
7 038513 KNOB RTRY RED 192C (MONITOR)
7 038514 KNOB RTRY PURPLE 265C (EFF/REV/SEND)
1 038515 KNOB RTRY GREEN BASIC (AUXILIARY)
18 041835 KNOB CTL DBL GRY/BLUE (
LOW/MID/HIGH) SR6520P/8520P/PD
7 041833 KNOB CTL DBL GRY/WHT (LEVEL) SR6520P/8520P/PD
9 041836 KNOB CTL DBL GRY/BLK (MAIN REV, MON REV, MONITOR)
SR6520P/8520P/PD
7 041834 KNOB CTL DBL GRY/GREEN
(EFF/REV/SEND) SR6520P/8520P/PD
1 041837 KNOB CTL DBL GRY/DK GRY (AUXILIARY) SR6520P/8520P/PD
13 038537 NUT JAM 3/8-32 BLK NYLON (1/4" INPUT JACKS)
1 049153 PANEL FRONT SR6520PD 037786 = SR6520P
1 049154 PANEL FRONT SR8520PD 037826 = SR8520P
5 014172 SCREW M 4-40X1/4 PHP BLX (PCB TO PANEL MTG)
13 037990 SCREW PLASTITE 6X3/8 PHP BLX (XLR/RCA JACKS)
13 038538 WASHER FW 3/8X5/8X3/32 BLK NYLON (1/4" JACKS)
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