Ampeg v 4bh preamp 07s519 schematic

Page 1

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OdB INPUT . 22K 2""
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1 5K 100K
Sper Spev C5
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ASSY P/N 07751 9.1 2
D6 D8
INAOCZTH 1N4002TR
100V PIV 100V PIV
D D 078519712 DRAWING REPLACES 078519711
IN4002?|'H TNiOOZTR 22° PM Tame
100v pr 100V plv Ref Desrevicepre)rackagfli15V}+15V
11:1 375nm, 5131113 4 a
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0 5.21.03 CONTROL ISSUE
CAUTION: REV Date DESCRIPTION Ecr(s)/Ecn(s) (3th By Appvd by Date
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL. THE INFORMATDNSCTOpgfiIgEAgJUgwmg DRAWN 5 PHOPH'ETAW To
To AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED '
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND Signatures: Date:
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.
Drawn: RLB 5-8433
NOTES; Checked; FirsI Used On:
1) CAUTION: SHOCK HAZARDII .
THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER 3%ggfigmgggmfié,fizafigfifinggAg+X$ggéGES W'TH 5"V N Re'eaSEd' _ >
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE Plot Deemed Aug 20 2003 Drawing Size: C Drawmg Tme;
TOUCH'NG 'NTERNAL PARTS- 5) CIRCUIT GROUND LED GROUN CHASSIS GROUND PWA _ PREAMP
2) UNLESS NOTED, RESISTOR VALUES IN OHMS. 1/4W»5% TOL. % 7 PlolTlme: 15:14:11 Drawing Type: Schematic
CAPACITOR VALUES IN MICROFARADS. SUV-10% TOL. . _
3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE Tolerance: Class Code: NONE Drawmg Number-
AND1o MEGOHM DIGITAL VOLTMETER. Sheet 1 of 1 078519

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V-4BH

@2007 L0 UD Tec hnologies Inc . All rig hts reserved

PWA Prea mp PCB Sc hematics

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