GTE SYLVANIA GTE 2600 User manual

GTE SYLVANIA
FACTORY PREPARED
TECHNICALSERVICEDATA
STEREO HI-FI
BULLETIN: R26-5
MODEL:GTE 2600
Index on Page 28
SERVICE PUBLICATIONSDEPARTMENT
Entertainment ProductsGroup
700 Ellicott Street - Batavia, N.Y.
ThisBulletinintroduces the R26-5 chassisand Model GTE 2600.
All amplifier andtuner information iscontained in thisBulletin.
L.H.ENDPANEL
10-40204-3
MODEL: GTE 2600
CHASSIS: R26-5
BEZEL
74-40222-1
CONTROL KNOB
74-40202-2
CABINET TOP
74-40173-2
COVER GLASS
74-40208-1
TUNINGKNOB
74-40519-1
PUSHBUTTON
74-40146-1
MODEL: GTE 2600
CHASSIS: R26-5
GTE 2600
CABINET REPLACEMENTPARTSLIST
DESCRIPTION PARTNO.
Antenna - FM
27-14926-2
Bezel - Cover Glass
74-40208-1
- External Dial Glass
86-40213-1
- Glass Mounting Spacer 86-40332-1
- Positioning Pin 70-40219-1
- Toggle Switch Cover
74-36233-2
- Tuner 74-40222-2
Cabinet - L.H.End Panel 10-40204-3
-Pi.H.End Panel
10-40204-4
DESCRIPTION PARTNO.
Cabinet - Plastic Foot
86-91119-6
-Top 74-40173-2
Knob - Control 74-40202 2
-Set Screw
70-36732-4
- Tuning 74-40519-1
Pushbutton
74-40146-1
Pushbutton Guide- 6 Button 74-40237-1
- Single Button 74-40237-2
BULLETIN:
R26-5
BULLETIN:
R26-5
IMPORTANTNOTICE
THISRECEIVEREMPLOYSMANYCIRCUITS,COMPONENTS, AND MECHANICALPARTSDESIGNED FOR
PROTECTION AGAINSTFIRE,SHOCK, ANDRF INTERFERENCE. FOR CONTINUEDSAFETY ANY SERVICING
SHOULD BE PERFORMED BY QUALIFIEDPERSONNEL AND EXACTSYLVANIAREPLACEMENTPARTSSHOULD
BE USED.UNDER NO CIRCUMSTANCESSHOULDTHEORIGINALDESIGN BE ALTERED.
IMPORTANT:Avoid mistakes, orderSylvaniaparts by part number.
Price $1.75

PRODUCT SAFETY GUIDELINES FOR ALL PRODUCTS
CAUTION: DoNOT modify any circuit Service work should be performed only after youare thoroughly familiar with allofthe
following safety checks. Risk of potential hazards and injury to1he user increases if safety checks arenot adhered to
SAFETY CHECKS
SUBJECT: Fire & Shock Hazard
1. Besurethatallcomponentsarepositionedinsucha wayto
avoidpossibilityofshortstoadjacentcomponents.Thisis
especiallyimportantonthosechassis which aretransported
toandfromtherepairshop.
2.Alwaysreplaceallprotectivedevicessuchasinsulatorsand
barriers afterworkingona set.
3.CheckfordamagedinsulationonwiresincludingtheAC
cord.
4.Checkacross-the-linecomponentsfordamageandreplaceif
necessary.
5. Afterre-assemblyoftheset,alwaysperformanACleakage
testontheexposedmetallic parts ofthecabinetsuchasthe
knobs, antennaterminals,etc.tobesurethesetissafeto
operate without dangerofelectricalshock.Donotusea
line isolationtransformerduringthistest.UseanAC
voltmeterhaving5000ohmsper volt ormoresensitivityin
the following manner:
Connecta 1500ohm10wattresistor,paralleledby
.15MFD ACtypecapacitor, between a known goodearth
ground (waterpipe,conduit,etc.)andtheexposedmetallic
parts, oneata time.MeasuretheACvoltageacrossthe
combination1500ohmresistorand.15MFDcapacitor.
Reverse theACplugonthesetandrepeatACvoltage
measurementsagainforeachexposedmetallic part Voltage
measured mustnotexceed.3volts R.M.S. Thiscorresponds
to0.2milliampAC.
Anyvalueexceedingthislimitconstitutesa potentialshock
hazard andmustbecorrectedimmediately.
AC VOLTMETER
goodearthground
suchasthewater
pipe, conduit,etc.
place thisprobe
oneachexposed
metallic part
CHASSIS IDENTIFICATION
CHASSIS IDENTIFICATION
Chassis Identificationconsistsoftwoblocksofnumbers.Inall
correspondencerelatingtoa specificmodel,bothblocksof
numbers plusthecabinetmodelnumbershouldbegiven.To
associate a chassis with itsproperschematic,refertothe
numberbreakdowndescribed below:
CHASSIS ACCESS
CHASSIS COVER (CABINET) REMOVAL:
1. Remove3 screwssecuringtopedgeof Jack Platetocabinet.
2.Remove2 screwsalong lower edgeofeachsideofcabinet
securingcabinettochassis.
3.Remove2 screwssecuringtopofcabinettofrontplate.
Lift coverstraightupfromchassis.
BOTTOM COVER:
The bottomchassispanissecuredtothechassisby14screws.
Tilt Jack PlateoutwardattopforaccesstoQ710,Q720,
Q722, Q810,Q820andQ822.
Amplifierpanels,mountedverticallyinfrontoftheheatsink,
maybetiltedforwardtomakethe foil sideofthepanelsmore
accessible.
Removetheupperscrewfromeachendofthepanelmounting
bracket. Then, loosen the lower screwateachend;liftand tilt
theentireassembly.Caution:failuretore-positionthis
assembly correctlymayresultinpoordialdrivebecausethe
idlertensionspringisanchoredtothisbracket.
DIAL LAMP REPLACEMENT:
1. Removechassiscover(cabinet).
2.Removebracketimmediatelyto rear ofdialpointer carriage
(1 screw,eachend).

CHASSIS ACCESS (CONT'D)
3.Tiltlightboxandlamppanelasm.awayfromdialasm.
Useno.259bulb,Sylvania part number30-26288-3for
replacement
NOTE: BesuretopassbracketUNDERdialcordanddial
pointerleads when replacingbracket
MPX. INDICATOR, CLIPPING INDICATOR L.E.D.
1. Removechassiscover(cabinet).
2. L.E.D. andsocketaremountedtothefrontpanelunderthe
lightbox.Removeentireassemblybygendypullingsocket
outofmountinghole.UseSylvania part number
30-40307-1forreplacement
DIAL POINTER L.E.D.
1. Removechassiscover(cabinet).
2. RemoveBalance, Bass, Mid-Range,Treble,Tuningand
Volumecontrolknobs(Allensetscrews).
3.Remove4 screwssecuringfrontplatetochassis(2attop
and 2 atbottomofplate).
4.Removepapercoverattopofdialpointer carriage.
UseSylvania part number30-40306-1forreplacement
DIAL STRINGING

PRELIMINARY ADJUSTMENTS
DC OFFSET
Nosignalinput,volumecontrolMINIMUM,andNOoutput
loads.
Adjust R706,R806for0V±20mVatpin0T- LeftandRight
poweramplifieroutputs.Thisoffsetvoltage will changeasthe
amplifierwarmsup,butinnocaseshouldexceed+50mVafter
initialadjustment
IDLE CURRENT
Nosignalinput,volumecontrolMINIMUM,andNOoutput
loads.
Adjust R742,R842for18-22mV between pinsElandE2on
eachamplifierpanel.Adjust while chassisiswarm.Idlecurrent
will drift with temperaturechange,andshouldnotbereset —
innocaseshouldtheidlecurrentexceed44mV.
AUDIO PERFORMANCE:
AC Power:120VAC,60Hz,maintainedat±1/2V.
SIGNAL SOURCE: 600ohm(MAX.impedance),.01%T.H.D.
MAX.
INPUT TERMINATIONS: AUX.- 4.7K
TAPE - 4.7K
PHONO- 330ohm
MIC. - Self-shorting
OUTPUT LOADS:8 ohm±1%,70Watt,Non-inductive.
CONTROL, SWITCH SETTINGS:
Balance Control- MechanicalCenter.
Bass Control- MechanicalCenter.
Mid- RangeControl- MechanicalCenter.
Treble Control- MechanicalCenter.
Loudness Control- FullCW(MAX.)unlessotherwisespecified.
ModeSwitches- Off(Outposition).
FunctionSwitch- AUX.unlessspecified.
HUMANDNOISE
1. Use40Hz,5 poleButterworth high passfilter.
2.Select line polarityforminimumhum.
3.Usegroundplateunderchassis.
4.Terminateallinputsandselectfunctionsasrequired.
INPUTFORRATEDOUTPUT
RATED
OUTPUT
MAG. MIC.
AUX.
TAPE
PWR.
PHONO IN IN IN AMP.
IN OUTPUT
±3dB ±3dB ±2dB ±2dB
±ldB TO LOAD
2.5mV 2.6mV 250mV 250mV 1.4V 23.67V
RMS
8OHM
LOAD
PHONOOVERLOAD
Injecta 1kHzsignalforanamplifieroutputofapproximately
1 Watt(2.83VRMS).
Maintain1 Wattoutput level with volumecontrol while
increasinginputsignaluntiloutput shows .1% THDdistortion.
MINIMUM inputshouldbe65mV.
TONE CONTROLRANGE
Adjust a 1kHzinputsignalforanoutput level of
approximately1 Watt with tonecontrolscentered.This will be
theOdBreference level.
CONTROL FRE-
CONTROL
OUTPUT
QUENCY SETTING (±3dB)
BASS
100Hz CW
+11dB
CCW -11dB
1kHz
REFERENCE LEVEL
MID-RANGE 1kHz CW
+6.5dB
CCW -6.5dB
TREBLE
10kHz CW
+lldB
CCW -13dB
VOLUME
SETTING
MAX. READINGACROSS8 OHMLOADS
VOLUME
SETTING PHONO
MIC.
AUX.
TAPE
MAXIMUM 21mV 21mV 1.2mV 1.2mV
MINIMUM
.9mV .9mV .9mV .9mV
LOUDNESS COMPENSATION
Set volumecontrolon50%tap.
Injecta 1kHzsignaltodrivetheamplifierforanapproximate
1 Watt(2.83VRMS)outputThisisthereference level.
Change generatorfrequencyto100Hz- makesurethatthe
100Hzinput level isexactlythesameasthe1kHzsignal level.
SENSITIVITY AT1kHz:
Selectfunctionasrequired;terminateunusedinputs.
TheR26-5chassisisdesignedforoperationona 120VAC,
60Hzpower line voltage.Itiscapableofanoutputof70
Watts-per-channel into an8 ohmnon-inductiveload.

PERFORMANCE ANALYSIS (CONT'D)
RESPONSE
CONTOUR
LOUDNESS
SWITCH
OUTPUT, ±2dB
RESPONSE
CONTOUR
LOUDNESS
SWITCH
100Hz1kHz
FLAT
OFF (OUT)
0dB
0dB (Ref.)
COMPENSATED
ON(IN)
+8dB 0dB
HI andLP FILTERS
Drivetheamplifierforanoutput level ofapproximately1
Wattat18Hz,20kHztoestablishreferencelevels.Activate
switchesas shown toevaluateperformance.
SWITCH
POSITIONS
LOW FILTER
CUT AT18Hz
HIGH FILTER
CUT AT20kHz
OFF (OUT) 0dB (Ref.) 0dB (Ref.)
ON(IN) -24dB, ±3dB -22dB, ±3dB
CHANNEL SEPARATION
Driveonechannelforapproximately1 Wattoutput
Terminate undrivenchannel with properimpedance.
FREQUENCY
MINIMUM SEPARATION
100Hz
40dB
1kHz 40dB
10kHz 40dB
TheBALANCECONTROL will attenuateeachchannela
minimumof40dBeachsideofcenterposition.
POWER OUTPUT,DISTORTION
Pre-conditionchassisbydrivingbothchannelsforonehourat
1/3ofratedpower(Approx.23W)
Balance channelsforequaloutputateachtestfrequency.
Measured distortionisforanyoutput level from1/4Wattto
rated output into 4 or8 ohmloads.
FREQ.
RANGE
OUTPUT/
CHANNEL
4OHMLOAD
OUTPUT/
CHANNEL
8OHMLOAD
T.H.D.
(MAX.)
18Hz-
20kHz 70W(16.73V,RMS) 70W(23.67V,
RMS)
.1%MAX.
SPEAKER PROTECTION
Apply+5Vor-5Vtothedifferentialamplifier(Q702,Q802
respectively)inputs.Eachtestvoltageshouldactivatethe
protectionrelay within 2 seconds.SwitchACpoweroffto
resetrelay.
LIMITER CIRCUIT
Drivepoweramplifiertoratedoutputat1kHz with 8 ohm
load. Reduceloadimpedanceto2 ohms.Theoutput
waveformshould shown markedclippingonbothpositiveand
negativesignalexcursions.
CLIPPING INDICATORSshouldactivate whenever output
clippingoccurs.
AUDIOMUTE
Themutecircuitshouldattenuatetheaudiofor5 to10
seconds when switchingthereceiveron. When switching
between functions,signal levels shouldbeattenuatedatleast
30dB fora minimumof1/2second. Fast signalattenuation
shouldalsobeobserved when switchingreceiveroff.

AMPLIFIERPANEL
*Q726, Q728 ON LEFT PANELONLY. 700 SERIESCOMPONENTS, LEFT CHANNEL. 800 SERIES
COMPONENTS,RIGHTCHANNEL.
BOTTOMFOIL

PARTS
IDENTIFICATION(CONT'D)
CAPACITORS

PARTS
IDENTIFICATION(CONT'D)
RESISTORS

PARTS
IDENTIFICATION(CONT'D)
MISCELLANEOUS

PARTS
IDENTIFICATION(CONT'D)
00
o
H
H
O
-n
O
r~

AMPLIFIER SCHEMATIC

TUNER SCHEMATIC

AMPLIFIERBLOCKDIAGRAM

TUNER
BLOCKDIAGRAM

ALIGNMENT PROCEDURE
Thisreceiverhasbeenfactoryalignedusingprecision
equipmentThecircuitsarequitestable,andnotnormally
subject tofrequencydriftTherefore,checkallcircuitsfor
malfunctionsbeforeattemptingrealignment.RealignONLY
when absolutelynecessary.
Maintain line at120V,60Hzduringalignment
AllRFshieldsmustbeinplaceduringalignment
UNLESS OTHERWISENOTED,alwayskeepinputsignalsat
the lowest useable level duringalignmentNotethesignal
generatoroutputattenuatorsettingat which furtherinput
signalincreasedoesnotincreaseoutput level. Keeptheinput
signal level well below thispoint.
Set tuningdialindicatoratzero(0)ontheloggingscale with
tuninggang(C2)setatmaximumcapacity.Readjustingtuning
dial indicatorafterAMorFMalignment will makeRF
realignment(AM& FM)necessaryforcorrectstation
calibration.
FM RFandIFsectionsmustbeproperlyalignedbefore
beginningFMMultiplexalignment
EQUIPMENT REQUIRED:
AM:
Sweepgeneratorcapableofa 455kHzsweepmodulatedsignal.
AM signalgeneratorcapableof400Hz,30%modulatedsignals
from 540Hzto1610kHz.
General purposeoscilloscope.
FM:
Sweepgeneratorcapableof88MHzto108MHzsweep
modulatedsignals,90MHzand106MHzmarkers.
FM signalgeneratorcapableof400Hz,100%modulated
signalsfrom87.5MHzto108.5MHz.
General purposeoscilloscope,RFDetectorprobe.
Distortionanalyzer.
MULTIPLEX FM:
Multiplexgenerator with the following capabilities:
1. CWmodulation only.
2. LEFT (or RIGHT) channel- only modulatedstereosignal.
Counterfor19,050Hz.
General purposeoscilloscopeorACmeter.
AM ALIGNMENT
STEP
TUNING
INDICATOR
SETTING
HOOK-UP ANDPROCEDURE
GENERATOR
FREQUENCY
ADJUST ADJUST
FOR
Switchreceiveron.SelectAMfunctionandcheckfor+12Vatpoint J.
1
Tuning
Gang
fully
closed
SweepgeneratortoAMAntennaterminals
(Jack Plate).
Scope toPinZBontunerpanel.
455kHzSweep T204
T206 Symmet-
rical IF
Passband.
2 1400kHz
Signal Generator- Radiatesignaltoreceiver.
Scope toL.orR.TapeRecord Jacks (Jack Plate).
1400kHz- 30%
400Hzmodu-
lation
C211
C2H
C2K
Maximum
recovered
audioand
correct
calibration.
3 600kHz
Signal Generator- Radiatesignaltoreceiver.
Scope toL.orR.TapeRecord Jacks (Jack Plate). 600kHz- 30%
400Hzmodu-
lation
T202
L210
L202
Maximum
recovered
audioand
correct
calibration.
Reducesignal level andrepeatsteps2 & 3 formaximumsensitivityandcorrectdialcalibration.
When correctlyaligned,thisreceiver will tunethrougha signalat535kHzand1650kHz.

STEP
TUNING
INDICATOR
SETTING
HOOK-UP ANDPROCEDURE GENERATOR
FREQUENCY
ADJUST ADJUST
FOR
SelectFMfunctionandcheckfor+12VatpointsV4andY.
1
106MHz SweepgeneratortoFMAntennaterminals.
Scope, throughRFDet.probe,topinB on
Tunerpanel.
88to108MHz
Sweep,106MHz
marker
C107
C2B
C2D
T104
Maximum
response
at marker
frequency
andcorrect
dialfre-
quencyin-
dications
2 90MHz
SweepgeneratortoFMAntennaterminals.
Scope, throughRFDet.probe,topinB on
Tunerpanel.
Sweepas
above,use
90MHzmarker
L108
L104
LllO
Maximum
response
at marker
frequency
andcorrect
dialfre-
quencyin-
dications
Repeat until indicateddialfrequenciesarecorrectat90MHzand106MHz.
3 106MHz
Signal generatortoFMAntennainputs
(Jack Plate).
ScopetoL.orR.TapeRecord jack
(Jack Plate).
106MHz-400Hz,
100%modulation
LI 24 Maximum
recovered
audio
UselowRFinput level, sothat "grass" ispresentonrecoveredaudioforsteps4 and5.
4 106MHz
Signal generatortoFMAntennainputs
(Jack Plate).
ScopetoL.orR.TapeRecord jack
(Jack Plate).
106MHz-400Hz,
100%modulation C107
C2B
C2D
Maximum
recovered
audio, and
correct
dialcal-
ibration
5 90MHz 90MHz- 400Hz,
100%modulation
L108
LI 04
LllO
Maximum
recovered
audio, and
correct
dialcal-
ibration
Continuetoreducesignal level andrepeatsteps4 & 5 formaximumsensitivityandcorrectdialcalibration.
6 98MHz
(Tuneto
generator).
Signal generatortoFMantennainputs.Use
verylowsignalinputfortuning, then in-
crease input level 1,000uV.
ScopetoL.TapeRecord Jack (Jack Plate).
DistortionanalyzertoL.TapeRecord Jack
(Jack Plate).
98MHz- 400Hz,
100%modulation
(lkuV level)
LI 24 Maximum
audio
6 98MHz
(Tuneto
generator).
Signal generatortoFMantennainputs.Use
verylowsignalinputfortuning, then in-
crease input level 1,000uV.
ScopetoL.TapeRecord Jack (Jack Plate).
DistortionanalyzertoL.TapeRecord Jack
(Jack Plate).
98MHz- 400Hz,
100%modulation
(lkuV level)
L124
Readjust
slightly
for
MINIMUM
distortion.
7
98MHz
(Tuneto
generator).
With same1kuVsignalinput level, adjustR140forcenteredFMtuningmeterdeflection.
8 Asabove,adjustL118for"S"metermaximumdeflection.
When correctlyaligned, this receiver will tunethrougha signalat87.5MHzand108.5MHz.
MULTIPLEX ALIGNMENT
STEP
TUNING
INDICATOR
SETTING
HOOK-UP ANDPROCEDURE
GENERATOR
FREQUENCY
ADJUST ADJUST
FOR
SelectFMand STEREO functionsandcheckfor+12VatpointsV4andY.
1 Tuneto
Generator MultiplexgeneratortoFMAntennainputs
(Jack
Plate).
FrequencycountertopinG ontunerpanel.
CWmodulation,
l000uV level
R158
COUNTED
19,050Hz,
±25Hz.
2
Tuneto
Generator
Multiplexgenerator- asabove,but switch to
fullstereosignal.
ScopetoRightTapeRecord Jack (Jack Plate).
ModulateL.
only channel R151 MINIMUM
Right
channel
output.
With R151(separation)correctlyadjusted,channelseparationistypically40dBat1kHz.

TRANSISTOR REPLACEMENTGUIDE
SYLVANIA
PART
NUMBER
TYPE
(ALL
SILICON) APPLICATION
DC
CURRENT
GAIN
EMITTER
-
COLLECTOR
(DRAIN
-
SOURCE)
VOLTAGE(MAX.)
@
25
DEG.
C.
AMBIENT
EMITTER
-
BASE
(GATE
-
SOURCE)
VOLTAGE
(MAX.)
@
25
DEG.
C.
AMBIENT
MAXIMUM
POWER
DISSIPATION
@
25
DEG.
C.
AMBIENT
IC
(GATE
CURRENT)
MAXIMUM
BASING
13-18365-1
NPN Q352, Q452 AM/FM Pre-amplifier
225-450
40V 4V 200mW
.25uA
1. 2, 3
Q940TimingLatch
13-26386-1
PNP Q124MuteDriver
100-350 32V 4V 300mW 100mA 2,4
13-26386-2
PNP Q204 AM Converter
100-350 15V 4V 300mW 100mA 2,4
13-26386-3
PNP
Q534, Q538VoltageAmplifier
100-350 60V 4V 300mW 100mA 2,4
Q634, Q638VoltageAmplifier
Q728RelayDriver
Q942 Series Switch
310mW
13-27432-1
NPN
Q726Voltage Sensor
60-400 80V 4V
310mW
N/A 2, 4
13-28392-1
NPN Q712, Q812 Limiter
90-270 45V 4V 500mW 500mA 2, 5, 6
13-28393-1
PNP Q714, Q814 Limiter
90-270 45V 4V 500mW 500mA 2,6
13-28654-4
N.CH. FET Q118MuteGate
N/A 30V 30V 200mW N/A 7
13-29033-3
NPN Q116NoiseAmplifier
200-400 45V 4V 300mW N/A 2, 4
Q120, Q122Mute Level Detector
Q208 AM ActiveFilter
13-29033-6
NPN Q710, Q810 BiasRegulator
200-400 45V 4V 300mW N/A 8
13-32366-1
NPN
Q108 1st FM IF Amplifier
40-120 30V 4V 250m W 50mA 9
Q110 2nd FM IF Amplifier
Q112 3rd FMIF Amplifier
Q114Meter, AGC Amplifier
13-33175-2
NPN Q304, Q404Pre-amplifier(Darlington) 7K-70K 40V 10V 310mW 200mA 2,4
Q502, Q602FilterAmplifier(Darlington)
Q724, Q824 L.E.D. Driver(Darlington)
13-34045-2
NPN Q206 AMIF Amplifier
80-200 12V 3V 250mW 30mA 4
13-34369-1
PNP
Q106 FM Oscillator
20 20V .85V N/A N/A 10
13-34371-1
NPN
Q706, Q806EmitterFollower
90-270 110V 4V 500mW 500mA 2, 11
13-34375-2
N.CH. FET Q104 FM Mixer
N/A N/A 25V 200mW 10mA 7
13-34378-3
N.CH. FET
Q102 FM RF Amplifier
N/A ±25V -25V 250mW N/A 12, 13
Q540, 0640 AudioMute
13-34940-1
PNP Q202 AM RF Amplifier
50-150 30V 4V 200mW 50mA 2,4
13-35324-1
NPN
Q910RippleReducer(Darlington)
4000 50V 10V 700mW N/A 5,14
13-39098-1
NPN Q708, Q808 Voltage Amplifier 40 180V 7V 1.5W .5A 14
13-40083-3
PNP Q702, Q704 MATCHED DifferentialInput See Chart 60V 4V 300mW 100mA 2,4
Q802, Q804 MATCHED DifferentialInput
Q703, Q803CurrentSource
13-40312-1
NPN Q302, Q402Pre-Amplifier 380-800 45V 5V 300mW 100mA 15
Q532, Q536,Q632,Q636VoltageAmplifier
13-40344-1
NPN Q716,
Q816 Driver
40-300 130V 5V 40W 4A 16
13-40345-1
PNP Q718,
Q818 Driver
40-300 130V 5V 40W 4A 15
13-40346-1
NPN
Q720, Q820PowerOutput
25-80 140V 5V 250W 40A 8
13-40347-1
PNP Q722, Q822PowerOutput 25-80 140V 5V 250W 40A 8
13-40083-2 D.C.CURRENTGAIN
COLOR DOT MIN. MAX.
RED
140 240
ORANGE 200 300
YELLOW 250 375
GREEN
325 450
BASING DIAGRAMS

SCHEM.
CODE SERVICE
PART NO.
DESCRIPTION
CAPACITORS (All values in MFD unlessspecified)
C2
42-34768-1
Tuning Gang
C101 330pF, Z5P
C102 330pF, Z5P
C103 330pF, Z5P
C104 330pF, Z5P
C105 330pF, Z5P
C106 10pF,NPO
C107 42-18146-1 1-6pF, CeramicTrimmer
C108 18pF,NPO
C109 15pF, NPO
C110 3.3pF,NPO
C111 .01,100V
C112 3.3pF,NPO
C113 330pF, Z5P
C114 .01, 100V
C115 .01,100V
C116 .01, 100V
C117 .01, 100V
C118 .01, 100V
C119 .01, 100V
C120 10pF,NPO
C121 .01, 100V
C122 .02, 100V
C123 33pF, N150
C124 1OOpF, Z5P
C125 .05, 50V
C126 .01, 100V
C127 .01, 100V
C128
.02 100V
C129 .01, 100V
C130 .01,100V
C132 .02 100V
C133 41-39148-64 .47/50V, Electrolytic
C134 .01,100V
C135 .01, 100V
C136 .01, 100V
C137 .05, 50V
C138 330pF, Z5P
C139 lOOpF, Z5P
C140 .05, 50V
C142 41-32477-46 5/25V, Electrolytic
C143 330pF, Z5P
C144 41-32477-38 220/16V, Electrolytic
C145 2200pF, 100V
C146 41-32477-46 5/25V, Electrolytic
C147 41-32477-46 5/25V, Electrolytic
C148 .1, 200V
C149 41-32477-37 100/15V, Electrolytic
CI 51 41-32477-85 1/50V, Electrolytic
C152 41-39148-64 .47/50V, Electrolytic
C153 41-39325-135 6.8/25V, Electrolytic
C154 40-41107-35 470pF, 125V
C155 41-32477-46 5/25V, Electrolytic
C156 41-32477-46 5/25V, Electrolytic
C157 lOOpF, Z5P
C159 330pF, Z5P
C202 .05, 50V
C203 41-32477-33 10/15V, Electrolytic
C204 .05, 50V
C205 .02, 100V
C206 .01,100V
C207 15pF, NPO
C208 40-41107-56 360pF, 125V
C209 .01, 100V
C210 18pF,NPO
C211 42-34941-1 15pF,Trimmer
C212 41-32477-33 10/15V, Electrolytic
C213 .05, 50V
C214 33pF, N150
C215 .05, 50V
C216 41-32477-33 10/15V, Electrolytic
C217 180pF, Z5P
C218 560pF, Z5P
SCHEM.
CODE SERVICE
PART NO.
DESCRIPTION
CAPACITORS (CONTINUED)
C219 270pF,
Z5P
C220 41-32477-85 1/50V, Electrolytic
C221 41-32477-9 100/6V, Electrolytic
C222 41-32477-46 5/25V, Electrolytic
C223 4700pF, Z5U
C302 41-32477-88 5/50V, Electrolytic
C304 4.7pF, N150
C306 220pF, Z5P
C308 41-32477-47 10/25V, Electrolytic
C310 .0047, 200V
C312
.008Z 200V
C314 .027,200V
C316
41-32477-88 5/50V, Electrolytic
C318 41-32477-9 100/6V, Electrolytic
C352 41-32477-85 1/50V, Electrolytic
C354 220pF, Z5P
C356 .022,200V
C358 41-32477-88 5/50V, Electrolytic
C402 41-32477-88 5/50V, Electrolytic
C404 4.7pF, N150
C406 220pF, Z5P
C408 41-32477-47 10/25V, Electrolytic
C410 .0047, 200V
C412 .0082, 200V
C414 .027,MOV
C416 41-32477-88 5/50V, Electrolytic
C418 41-32477-9 100/6V, Electrolytic
C452 41-32477-85 1/50V, Electrolytic
C454 220pF, Z5P
C456 .02Z200V
C458 41-32477-88 5/50V, Electrolytic
C500 560pF, Z5P
C502 .1, 200V
C504 1200pF, Z5P
C506 .1, 200V
C508 .1, 200V
C509 220pF, Z5P
C510 41-32477-88 5/50V, Electrolytic
C520 41-32477-88 5/50V, Electrolytic
C521 .047,200V
C522 41-32477-85 1/50V, Electrolytic
C524 41-32477-85 1/50V, Electrolytic
C526 5.6pF, N150
C527 270pF, Z5P
C528 41-32477-36 50/ 15V, Electrolytic
C530 41-32478-87 3.3/50V, Electrolytic
C532 .022,200V
C534 .022,200V
C536 .0047, 200V
C538
.1, 200V
C540 .0039, 200V
C542 .0039, 200V
C544 .0039, 200V
C546 3.9pF, N150
C548 41-32477-88 5750V, Electrolytic
C600 560pF, Z5P
C602 .1, 200V
C604 1200pF, Z5P
C606 .1, 200V
C608 .1, 200V
C609 220pF, Z5P
C610 41-32477-88 5/50V, Electrolytic
C620 41-32477-88 5/50V, Electrolytic
C621 .047,200V
C622 41-32477-85 1/50V, Electrolytic
C624 41-32477-85 1/50V, Electrolytic
C626 5.6pF, N150
C627 270pF, Z5P
C628 41-32477-36 50/ 15V, Electrolytic
C630 41-32478-87 3.3/50V, Electrolytic
C632 .022,200V
C634 .022,MOV
C636 .0047, 200V

SCH EM.SERVICE
CODE PART NO.
DESCRIPTION
CAPACITORS (CONTINUED)
C638 .1, 200V
C640 .0039, 200V
C642 .0039, 200V
C644 .0039, 200V
C646 3.9p F, N150
C648 41-32477-88 5/50V,Electrolytic
C702 41-32477-88
5/50V,Electrolytic
C704 270pF, Z5P
C709 33pF, N150
C710 .0022, Z5U
C712 220pF, Z5P
C714 41-32477-48 25/25V,Electrolytic
C716 41-32477-92 50/50V,Electrolytic
C718 .15,200V
C720 .15,200V
C722 .15,200V
C724 .15,200V
C730 .1, 200V
C732 .1, 200V
C734 .1, 200V
C736 41-34346-2 .22/25V,Electrolytic
C738 41-32477-37 100/15V, Electrolytic
C740 41-32477-85 1/50V, Electrolytic
C742 41-32477-85 1/50V, Electrolytic
C752 220pF
C802 41-32477-88 5/50V,Electrolytic
C804 270pF, Z5P
C809 33pF, N150
C810 .0022, Z5U
C812 220pF, Z5P
C814 41-32477-48 25/25V,Electrolytic
C816 41-32477-92 50/50V,Electrolytic
C818 .15,200V
C820 .15,200V
C822 .15,200V
C824 .15,200V
C830 .1, 200V
C832 .1, 200V
C834 .1, 200V
C836 41-34346-2 .22/25V,Electrolytic
C852 220pF
C910 .01,100V
C918 41-32478-5 100/35V, Electrolytic
C920 41-32478-87 3.3/50V, Electrolytic
C921 .01,100V
C926 43-33245-7 .0022, 125VAC
C928 43-33245-7 .0022, 125VAC
C930 43-33245-6 .005, 150VAC (U.L.)
C932 .1, 200V
C934 .1, 200V
C936 .1, 200V
C938 .1, 200V
C940 41-40436-1 10,000/65V, Electrolytic
C942 41-40436-1 10,000/65V, Electrolytic
C946 .01, Z5U
C948 .01,Z5U
C950 41-32477-108
220/63V, Electrolytic
C952 41-32477-95 500/50V, Electrolytic
C953 41-32478-94 250/50V, Electrolytic
C954 41-32477-66 220/35V, Electrolytic
RESISTORS (All 1/4W, Carbon, 5'
R101 330ohm
R102 10K
R103 22K
R104 270ohm
R105 22K
R106 1K
R107 3.9K
R108 10K
R109 22K
R110 10K
SCH EM.
CODE
SERVICE
PART NO. DESCRIPTION
RESISTORS(CONTINUED)
R111 22K
R112 22K
R113 330ohm
R114 3.3K
R115 10K
R116 100ohm
R117 270ohm
R118 180 ohm
R119 820 ohm
R120 10K
R121 5.6 K
R123 100 ohm
R124 100K
R125 56K
R126 330ohm
R127 330K
R128 390 ohm
R129 120K
R130 100K
R131 150K
R132 100K
R133 33K
R134 56K
R135 1K
R136 15K
R137 22K
R138 10K
R139 820 ohm
R140 37-14576-5 1 K Variable - FM Meter Zero
R141 1K
R142 4.7K
R143 68K
R144 68K
R145 820K
R146 1K
R147 1.8K
R148 18K
R149 560ohm
R150 15K
R151 37-14576-3 15KVariable - Separation
R152 1.8K
R153 100ohm
R154 82K
R155 180K
R156 120K
R157 220ohm
R158 37-33717-3 4.7KVariable - 19kHzAdjustment
R159 16K
R160 3.9K
R161 3.9K
R162 220K
R163 220K
R164 2.2K, 1/2W
R165 22K
R166 1K
R167 1K
R201 1K
R202 22K
R203 82K
R204 1.8K
R205 560ohm
R206 10K
R207 22K
R208 120K
R209 4.7K
R210 33ohm
R211 150K
R212 33K
R213 470 ohm
R214 3.3K
R215 10K
R216 150K
R217 100K

SCHEM.
CODE SERVICE
PART NO. DESCRIPTION
RESISTORS(CONTINUED)
R218 100K
R219 10K
R220 4.7K
R221 18K
R222 100ohm
R223 100K
R301 100K
R302 1K
R304
100K
R306 120ohm
R308 68 ohm
R310 220K
R312 22K
R314 9.1K
R316 110K
R318 160ohm
R320 330ohm
R322 220 ohm
R324 4.7K
R326 220K
R352 220K
R354 470K
R356 3.9K
R358 68K
R360 560 ohm
R362 100K
R401 100K
R402 1K
R404 100K
R406 120ohm
R408 68ohm
R410 220K
R412 22K
R414 9.1K
R416 110K
R418 160ohm
R420 330 ohm
R422 220ohm
R424 4.7K
R426 220K
R452 220K
R454 470K
R456 3.9K
R458 68K
R460 560ohm
R462 100K
R502 4.7K
R504 39K
R506 27K
R508 2.2 meg, 1/2W
R510 1.8 meg, 1/2W
R512 15K
R514 27K
R516 33K
R518 33K
R520 37-40451-4 Dual 100K BalanceControl
R521 10K
R522 37-40451-1 Dual 100K VolumeControl
37-40451-12 Mounting Washer - Volume
Control
R524 12K
R526 100K
R528 470K
R530 22K
R532 390 ohm
R534 27K
R536 33K
R538 1.2K
R539 33K
R540 37-40451-2 Dual 100K BassControl
37-40451-12 Mounting Washer - BassControl
R541 1K
R542 15K
SCHEM.
CODE SERVICE
PART NO.
DESCRIPTION
RESISTORS(CONTINUED)
R544
15K
R546
47K
R548 8.2K
R550 12K
R552 37-40451-2
Dual 100K Mid-BandControl
37040451-12 Mounting Washer,Mid-Band
Control
R554 12K
R556
22K
R558 37-40451-2
Dual 100K TrebleControl
37-40451-12 Mounting Washer - TrebleControl
R560 22K
R562
3.9 meg, 1/2W
R584 220K
R566 22K
R568 100K
R570 22K
R572 1K
R574 680 ohm
R576
2.7K
R578 3.3K
R602
4.7K
R604
39K
R606
27K
R608
22 meg, 1/2W
R610 1.8 meg, 1/2W
R612 15K
R614 27K
R616 33K
R618 33K
R621
10K
R624
12K
R626
100K
R628 470K
R630
22K
R632
390 ohm
R634
27K
R636 33K
R638
1.2K
R639
33K
R641
1K
R642
15K
R644
15K
R646
47K
R648 8.2K
R650 12K
R654
12K
R656 2.2K
R660
22K
R662
3.9 meg, 1/2W
R664 220K
R666 22K
R668 100K
R670 22K
R672 1K
R674
680 ohm
R676
27K
R678
3.3K
R702
3.3K
R704
47K
R706 37-33717-1
22K Variable - D.C.Offset
Adjustment
R708 270 ohm
R712 8.2K, 1/2W
R714 8.2K, 1/2W
R716 680 ohm
R717 22K
R718 1K
R720
3. K
R722
3.3K
R724
27K
R726
47K
R728 1K