Ampeg vl 1001 1002 power amp schematic

Page 1

RAID
+365v

INPUT

NU

NU

FEED

BACK

i

AUDIO

GND

PART DESC. PART NO.

VI-4 8 PIN [7-450-08
V5 9 PIN 17-45009
API 200 OHM 71-201-11
SI SVITCH 88-220-01
J1 9 PIN 17-310-09
J2.3 .250 FASTON 17-836-01
J4,5 .187 FASTON 17-894-01
J6 5 PIN 17-310-05
J7 2 PIN 17-310-02

5 PVR ATTEN.

. J4 '
[-< 7 7 7 .5
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1 v1 v2 v3 v4 v5
41
I
L__< 5 2.6sz 2,6 9
JS

1 HEATERS
cu ms
3 me mp
AP1 mo GND
2 HEATERS
nun

HOLES

I) CAUTION- SHOCK HAZARD I l
THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT
POWER AND BE SIRE POVER SUPPLY IS DISCHARGED
BEFORE TOUCHING INTERNAL PARTS.

2) UNLESS NOTED, RESISTOR VALUES IN OHMS. IIZV-IZ
TOL. CAPACITOR VALUES IN MICROFARADS. 400V-5'l. TOL.

3) VOLTAGES ARE MEASURED WITH 1 HESOHM
OSCILLOSCOPE AND 10 MEGOHM DIGITAL VOLTMETER.

4) CIRCUIT GROUND 1-}7 SVITCH GROUND 6 CHASSIS GROUND 1*

9mm: -

THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.
TO AVOID RISK OF ELECTRIC SHOCK. REFER SERVICING TO
QUALIFIED SERVICE PERSONNEL. DO. NOT PERFORM ANY SERVICING
BEYOND THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.

W - e w
9 «(av
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sum-1
m1 04- 6 BIAS
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FILENNE:

SGHATURES: DATE:
mum: SR. 2-21-91
cum L JACKSON men we:
APP'D: L JACKSON ._ VL-1001/1002
ORIGINAL m C/IZ/SI DRAM NAME: .
not we 09/12/91 TUBE BD. SCHEMATIC
W M mm- ' 333 075491-01

07349101 some NONE SHEET: 1M1

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