Genave TAU/88 User manual

GENERAL AVIATION ELECTRONICS, INC.
4141 KINGMAN DRIVE, INDIANAPOLIS, INDIANA 46226
INSTALLATION
MANUAL
TAU/88
Please Note:
Audio Amplifier T H I S A M P L I F I E R M U S T B E I N S T A L L E D
b y a p r o p e r l y c e r t i fi cated and authorized
person in accordance with the Federal Avia¬
tion Regulations, Part 43. No responsibility
for improper installation of this unit is either
implied or assumed by the manufacturer.
U n i t s s h o w n t o b e i n s t a l l e d i n v i o l a t i o n o f t h e
FARs will not be covered by the warranty
and will remove any and all responsibility
from the manufacturer for such equipment.
®Copyright General Aviation Electronics, Inc. 1973
A l l R i g h t s R e s e r v e d

SPECIFICATIONS
GENERAL:
WEIGHT:
SIZE:
®arrautii 1.0 lbs. Remote Amplifier
Remote Amplifier: 314" wide X
2" high X45/8" long (b'/z' incl.
mounting flanges)
14VDC, .02 A(Min) 1.5 A(Max)
28VDC, .04 A(Min) .93 A(Max)
Products bearing the trademark "GENAVE" or
the trade name "GENERAL AVIATION ELEC¬
TRONICS, INC.” have been fabricated by skillful
technicians, under the strictest quality control
conditions, using the finest materials and com¬
ponent parts available.
When properly adjusted and competently oper¬
ated according to factory specifications and
instructions. General Aviation Electronics Inc.
unconditionally guarantees and warrants all parts
and bench service labor for one (1) full year
from the date of the original installation.
This warranty shall not apply to malfunction,
which in the opinion of General Aviation Elec¬
tronics, Inc. is the result of abusive use, acci¬
dent, willful destruction, improper or unautho¬
rized repair or Installation. All service under this
warranty must be performed by an Authorized
Genave Distributor, or by returning the unit or
units, freight pre^)ald, to the factory at
Indianapolis, Indiana.
IN ELI
INPUT POWER:
1NUMBER OF IC's:
NUMBER OF TRANSISTORS:
AMPLIFIER:
FREQUENCY (3 db pts):
LOW LEVEL SENSITIVITY:
HIGH LEVEL SENSITIVITY:
AUDIO OUTPUT;
NUMBER OF INPUTS:
5all silicon
200-3000 Hz
1.0 Vrms
5Winto 4ohms
10W@14V,16W@28V
6Low Level
2High Level
-50 db
Low Level: 680 ohms
High Level; 4ohms
3-6 ohms
fOI^, INC.
GENEI
Elmore W. Rice, III, President
By
INPUT ISOLATION:
INPUT IMPEDANCE:
The Coapaiy oltcn no oKf aioantm oc nrtmtiti c«i<ised ximlieil
OUTPUT IMPEDANCE:
Proper Installation
Will Assure Quality
Tire unit you are installing is ahigh quality, rugged, complex piece of elec¬
tronic equipment. It has been manufactured under rigid quality control and
has been fully tested and operated at high temperatures to stabilize the
component parts.
Proper installation of the unit into your customer's aircraft is essential to
complete the quality assurance program under which the unit was manu¬
factured.
Unpacking
CAREFULLY REMOVE the unit and its mounting accessories from the shipping container
by removing the staples from the top of the carton and lifting the contents straight out.
The carton should be saved until the installation is complete in the event that damage is
discovered or return of the unit is necessary for some reason. Any damage due to shipping
should be reported and aclaim filed as soon as possible with the shipping company. (If it
is necessary to re-ship, use our container which is specifically designed for that purpose.)
Pre-Installation Check
VISUALLY INSPECT the unit for any obvious external damage, such as dents, loose wires,
etc. Any damage not related to shipping should be reported to General Aviation Electronics,
Inc., 4141 Kingman Drive, Indianapolis, Indiana (46226), Area Code 317-546-1111, as
soon as possible.
Damage due to shipping should be reported to and aclaim should be filed promptly with
the transportation company.

All units are shipped in perfect operating condition. However, apre-installation electrical
test may be performed to assure that the unit has suffered no internal damage during
shipment. For adetailed test procedure, refer to the Maintenance Section of the Service
Manual. DO NOT ATTEMPT to bench test the unit without proper equipment as specified
in the Service Manual.
Installation Planning
THE LOCATION of the Unit in the aircraft should be carefully selected with due considera¬
tion to the following:
The unit generates only avery small amount of heat and, as such, does not
require any type of cooling. However, the unit must NOT be mounted direct¬
ly above avacuum tube device or any other equipments that generate alarge
amount of heat unless such equipments have cooling provisions installed to
keep the heat generated therein from coming in contact with other equip¬
ments mounted in close proximity to them.
1.
M O U N T I N G T H E U N I T D I R E C T L Y O V E R U N C O O L E D V A C C U M T U B E
EQUIPMENT OR IN THE HOT AIR BLAST OF ANY DEVICE, INCLUD¬
ING CABIN HEATERS, WILL AUTOMATICALLY VOID THE WARRANTY.
The placement of the unit should be such that all controls are easily
accessible.
2.
Installation
Install the amplifier in the aircraft using aminimum of two mounting holes in oppo¬
site sides of the unit. Use the amplifier itself for atemplate, and drill the selected
holes with a5/32" drill. Use the #8-32 hardware supplied to attach the unit to the
aircraft.
1.
2. Fabricate the power and signal cable using the connector socket supplied. Awiring
diagram is shown in Figure 2.
Connect the wires just fabricated to the appropriate points in the aircraft's electronic
system. Mechanically secure the cables at appropriate support points.
3.
Connect the cables to the amplifier.
4.
5. Update appropriate logs and papers of the aircraft.
6. Fill in the necessary information required by the warranty card.
7. Be sure the remainder of the warranty card is filled in by your customer and returned
to the Factory. The Warranty Card must be completed and returned to Genave for
the warranty to be in effect.

Mounting Dimensions
SENSITIVITY
ADJUSTMENT
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64
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NOTES
Jl PIN 13 JUMPERtO TO PIN 14 FOR (4V0UT OPERATION, PIN U
DISCONNECTED AND PIN 13 JUMPERED TO PIN 10 FOR 23vOLTS
2 1 A U C O C V O L T S M E A S U R E D W I T H N O S I S N A L A N D S E N S . C O N T R O L
●- -VDCINPUTTOPIPINI,
3 ] W AV E F O R M S A N D P E A K T O P E A K V O L TA G E S R E P R E S E N T N O M I N A L
V A L U E S W I T H A N I N P U T O F 0 . 1 V S M S A T I K C
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I H U M W I T H
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OUT R29
reeo 4 1 A C S C O P E I N P U T
5 1 A L L C A P A C I TA N C E V A L U E S I N M F D U N L E S S O T H E R W I S E N O T E D
9ALL RESISTANCE
Rli: ■33
H U E S I N O H M S
.4
16
Parts/Track Map
mz '+

T A U / 8 8 P a r t s L i s t
Description
Part No.Ref. No.
DescriptionPart No.Ref. No.
R E S I S T O R S ( C a n t ' d )
CAPACITORS
100K, 1/2LJ, 1056
1h, 1/2lil, 1056
100 ohm, 1/2Li, 1056
1.5h, 1/2W, 1056
180 ohm, 1/2U, 1056
180 ohm, 1/2D, 1056
680 ohm, 1/2U, 1056
.1 ohm, 2U, 1056
.1 ohm, 2ld, 1056
Unassigned
4700049
4700025
4700013
4700027
4700016
4700016
4700023
4740000
4740000
Electrolytic, 125 mfd, 1DU
Electrolytic, 10 mfd, 16U
Y 5 E D i s c , 2 2 0 p f d .
Y 5 E D i s c , 2 2 0 p f d .
M25 Disc, .02 mfd.
Electrolytic, 50 mfd, 40U
Disc, .1 mfd, +80-20
Electrolytic, 6,4 mfd, 40U
Tantalum, 10 mfd, 25U
Y 5 E D i s c , 2 2 0 p f d .
Y 5 E D i s c , 2 2 0 p f d .
Electrolytic, 50 mfd, 40U
Y 5 E D i s c , 4 7 0 p f d .
Y 5 E D i s c , 2 2 0 p r d ,
Y5U Disc, .01 mfd.
Electrolytic, 1000 mfd, 30U
M25 Disc, .02 mfd.
Unassigned
R23
1540023
1540014
1520034
1520034
1520053
1540019-
1520055
1540012
1550004
1520034
1520034
1540019
1520042
1520034
1520051
1540038
1520053
Cl
R24
C2
R25
03
R26
04
R27
05
R2B
06
R29
C7
R30
OB
R31
C9
R32
CIO
C11
IC's
012
C13
Dual OP-AMP, N5558UIC1 3130012C14
015
TRANSISTORS
C16
C17
4800016
4800018
4000022
4800011
4800014
Silicon, PNP, MPS-A55
Silicon, NPN, MPS-U01
Silicon, PNP, MPS-U51
Silioon, PNP, MOE-105
Silicon, NPN, SJE-5036
01
C18
02
RESISTORS 03
04
680 ohm, 1/2U, 10%
680 ohm, 1/2U, 10%
680 ohm, 1/2LJ, 10%
600 ohm, 1/2U, 10%
680 ohm, 1/2UJ, 10%
680 ohm, 1/2ljJ, 10%
600 ohm, 1/2bJ, 10%
600 ohm, 1/2LJ, 10%
4ohm, 5lii, 10%, till)
4ohm, 5U, 10%, LJliJ
33 ohm, 1/2U, 10%
15H, 1/2LJ, 10%
4700023
4700023
4700023
4700023
4700023
4700023
4700023
4700023
4740016
4740016
4700000
4700039
55R1
R2
DIODES
R3
R4
CR1 4810013
4810017
4810017
4010017
4010017
Silicon,Gen,Purpose,100U,SD-1
Silicon,Hi.Speed Switch,FD1936
Silicon,Hi.Speed Switch,FD1936
Silicon,Hi.Speed Switch,FD1936
Silicon,Hi.Speed Switch,FD1936
TRANSFORMER
R5
R6 0R2
R7 CR3
0R4RB
0R5R9
RIO
R11
R12
R13 T1 5600034 Audio Output
R14 4700013
4760015
4700037
4700025
4700025
4720014
4720013
4700037
4700037
100 ohm, 1/2U, 10%
Trimmer, 1H
10K, 1/21ii, 10%
IK, 1/2U, 10%
IK, 1/2U, 10%
150K, 1/4U, 10%
140K, 1/4U, 10%
10K, 1/2UI, 10%
10K, 1/2LJ, 10%
R15 MISCELLANEOUS
R16
R17 J1 2100011
2100014
2100018
2500052
2500201
2504271
Connector, 16 pin. Female
Connector, 16 pin, Male
Cover
Chassis
Cover
Heatsink (2-used)
R18 PI
R19
R20
R21
R22
Wiring Diagram
SPEAKER /HEADPHONE
SELECTOR SWITCHES
MICROPHONE VHP COM
SELECTOR
Jl SPJl SPKR SP
h"s"eT^
;fig. II
●+I4V0C 7oOFF VPHONE MKR
OFF*
OUT
2MIC 4j^
MIC 'AUDIO PH
5WVHF I
3KEY SP
T/88 -Kspkr XMIT
CONTROL
SP
PH
4oOFF
14 VDC 1
V.. PHONE
PH° ADF
OFF*
ill-]
tHH
5OUT
2SP PH
6SPKR
MIC
[6 7AUDIO SP
4xl
VHF 2 5W Nl. PHONE
6OFF* OME
XMIT
CONTROL
OUT
[SP -
^OFF
HEAD - k *'
phone' L
9CABIN
SPKR
PH
A10
*28 VDC SPPH
11
2. VPHQNE NAV
OFF* OUT12
PH
13
T/88 i3—f—ffiSPKR
28 VDC SP14
13 Nk, PHONE NAV
15 OFF*
14 2
OUT
16 PH
16
SP
PHONE
OFF* AUX
OUT
PH
FIG. I HEADPHONES
<n>
FIG. 2