LEM Avalon AV12-4 Service Manual

Download Service manual of LEM Avalon AV12-4 Speakers for Free or View it Online on All-Guides.com. This version of LEM Avalon AV12-4 Manual compatible with such list of devices, as: Avalon AV12-4, Avalon AV12A, Avalon AV15-8, Avalon AV15A, Avalon AV15SA

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1 1
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JJ
JJ
J
Soldering point.
Male connector.
Female connector.
M/F faston connector.
Test point.
Supply voltage.
Logic supply ground.
Analog supply ground.
Chassis ground.
Earth ground.
Flag joined with one or more flags
GENERALMUSIC S.p.A. Sales Division: 47842 S.Giovanni in Marignano (RN) ITALY - Via delle Rose, 12 - tel. 0541/959511 - fax 0541/957404
GENERALMUSIC on the NET: http://www.generalmusic.com
SERVICE MANUAL
L
CODE: 270241
M
Warnings
with the same signal name inscribed.
Address
ATTENTION
Observe precautions when handling electrostatic sensitive devices.
Notice
Service must be carried out by qualified personnel only.Any tampering carried out by unqualified personnel during the guarantee period
will forfeit the right to guarantee.
For a correct operation of the instrument, after having switched off, be careful to wait at least 3 seconds before switching on again.
To improve the device's specifications, the schematic diagrams may be subject to change without prior notice.
All components marked by this symbol have special safety characteristics, when replacing any of these components use only
manufacturer's specified parts.
The (µ) micro symbol of capacitance value is substituted by U.
The (
) omega symbol of resistance value is substituted by E.
The electrolytic capacitors are 25Vdc rated voltage unless otherwise specified.
All resistors are 1/8
unless otherwise specified.
All switches shown in the "OFF" position. All DC voltages measured to ground with a voltmeter 20KOhm/V.
Index
Technical Specifications
2
AV12-4, AV12-8, AV15-4, AV15-8, AV15S Passive Versions Schematic Diagrams
2
AV12-4, AV12-8, AV15-4, AV15-8, AV15S Passive Versions Spare Part List
3
4
AV12A Test Procedures & Adjustment
AV12A, AV15A, AV15SA Block Diagrams
3
AV15A Test Procedures & Adjustment
5
AV15SA Test Procedures & Adjustment
5
AV12A Schematic Diagram
8
9
AV15SA Schematic Diagram
AV15A Schematic Diagram
7
10
AV12A, AV15A, AV15SA Active Version Spare Part List