Luxman LV-122 User manual

SERVICE
MANUAL
Stereo Integrated Amplifier
LV-122
@ For information that is not mentioned in this service manual
refer to the Service Manual LV-112(Part No.68P10516W02).
ERLE OMT MHA HUTTE WWW
STPRED INTEGRATED AMAS RH wv 22

LV-122 | > } a .
Electrical Pa rts List Resistor: Carbon resistors under 174 watts are not mentioned in the
parts list, please confirm them by schematic diagram.
Capacitor : uF = microfarads, pF = picofarads.
Function P.C. Board
Abbreviations
Resistor CAP.
Carbon Film ELY.
Metal Film CER.
Metal Oxide Film MYL.
Metal Plate
Transistor
Transformer
Chip
Capacitor
Electrolytic
Ceramic
Mylar
Tantalum
Polystyrol
Polypropylene
Polyethylene
Polyester Film
2 cS)
IC’s
1€4201
1C4202
NJM4558HT
NJM4558HT
51T65380F01
51T65380F01
8201 | 48T10857w01 | GLSPR8 (RED)
Main P. C. Board LD8202 | 48T10857Wo1 | GLSPR8 (RED)
: LD8203 | 48T10857W01 | GLSPR8 (RED)
LD8208 | 48710837W01 | GLSPRB (RED)
11101 151182394F01 | NIM7815FA LD8205 | 48T10857W01 | GLSPR8 (RED)
or 51T94884F0S | MC7815CT
1€1102 |51T82395F01 | NJM7915FA
or 51T94885F0S | MC7915
1€2101 | 51T25576W01 | NJM4580D
LD8206 | 48T10857W01
SP Terminal P.C. Board
Capacitors
08S40805F 16
08S40805F 16
08S40805F 16
08S40805F 16
GLSPR8 (RED)
Capacitors
23T00149L37 jELY., 220uF /25V
08S40805F04 |CER., - 330pF
08S40805F04 | CER., 330pF
23700140139 | ELY., (B.P) 4.7 uF /S0V
23T00140L39 | ELY., (B.P) 4.7 uF /50V
Miscellaneous
48T10857W01 | LED, GLSPR8 (RED) ;
28T00001K01 | Plug, AC Coard
28T43812P04 | Plug, AC Coard
23TO0140L59 |ELY., (B.P) 1uF/100V
23T00140L59 | ELY., (B.P) 1uF /100V
08T81196F05 | Mica, 7pF
08T81196F0S | Mica, 7pF
23700149139 |JELY., 470 uF /25V
LD8701
P1001
or
Cabinet Assembly Parts List Packing Assembly Parts List
Symbol
7
Pe
eae
—
“Ao
01V13600W52 | Assy., Front Panel 103 56530746W01 | Carton, Packing
15D94698F08 | Cover, Rear 68P21552W28 | Owner’s, Manual
15D94698F09 | Cover, Rear
36B67366F01 | Knob, Main Volume
36A74341F01 | Knob, Tone Volume
75A96563F03
03871677F38
Pad, Trannleg
Screw, Flange (M3 x 6)
NOTE: A: for Without Safety Regulations Version, ©: for With Safety Regulations Version, Others: Common.
LUX CORPORATION, JAPAN
1-1-8 Nishi Gotanda, Shinagawa-ku, Tokyo, 141 JAPAN
Phone:[phone] Facsimile:03-494-8426
10/90-Y
68P30591W01
Printed in Japan

Is3
SERVICE
Lo
|
-MANUAL
~ Stereo Integlated Amplifier
LV-112

Contents
Fer SCOS BB CEN C0) Seen ennn Ree EESS CESSES EES SSS SOS SSSSS SOOO ESSE SESESS SS SOEES SES ESSSESSSESESSSSEESEESOOEEE y)
Parts Locations and Dissembly Instructions ----- re rrr ttre tte ee ct ences 3 to 4
Adjustment Procedures saeupokeadeease see soeasbtee cate ta ities ents desees ccshies shoes poieme ewe densmeltds ob hee Seinseled oe ahae | niacea nenteea. ard aalbinepwa ha cisiis eocie selves gece erin se dev Seaudteneyy 5
Adjustment Locations <--ccccccccceceesteereccetteertceresteeetceneeeceeeesneeecsnecseneeeaseenceneeeeetesecsnnseteeastnaseannieeniacttsasesscesecenecensansneesnees 5
Block Diagram disnceee ve dover i Uoweccaeal eo Tsede © We sete aie os Oe ES OSERES MEET COM D ECO reas puNbeD NNSA baa Aleeuion ce Wabidl pen etuatie Ped on Seeios aude Sauls jashisesumssaineade cine iaiees hak candace geusoamaee 6
Schenatic Diagram SeRabUate Pease eben bic FeweVecbysecens dedeedescudsengeeweescSes eleiteelte ed snnaie’ we San Ges sedes boa es weeSee see ecels see anos aemea ese rele wMeu Se aesinae Valcsleaeeewa wes 7 to 10
Parts Layout on P.C. Board & Wiring Diagram Sele ssice copesycs sunbesoe Ges chereneer este ley se Tedeansaing spose aawecas eee nosing) oeaeagviegays ras eteaece sa ll to 14
Electrical Parts List ‘Juig Bil cterocid wie wis Gab e's pas oto aban wie eBaseewcns ae dade cweccir cs Wececegean eave Seles sey sely Medes Heese bee habe se eehse Sais Seema eae oHidee po eceeaaed Sasa hte eeeae 15 to 18
Packing Method View entsdcts ow vockecns be Teta Rochen ota Bees ian e ace te SIN eA sta its eos ea tn ht acetate fe aheth occa Alec dea tte 19
Packing Assembly Parts List wiatbiageelesd vobeaeocteasind ned tolcee fais eatec cee seer Gasp eemaes seve sees ediacdis apbasilee ncactingaubinh Pease soe deaths dare y eae diane neeuicdendaaeaehgieigeeh 19
Cabinet Assembly Parts List Pe Seb leaks cele seen daa Coates vesdewas isu cae Sate ce doers waar Jacisiaead ols cles nui ae o@atmionincs cigs duaaenegsneag.eedtesadale'ee as ne Selethouga sles de Va Te sldcasdaueale 20
Exploded View (Cabinet) SpPUIEEESEEEEEEECOOSEEEESEOOOSSESOOOOSSESE COO SSOSCCOOOSeSEOSSOOEEESS SOO OOOOOOOEOOOOOOOOOOOOOOOOCOOOOOOOS SECO OEOECO SCO OOOOOEESSECEOOESSEOOS val to 99
Semi-Conductor Lead Indentifications via be din Seley cedib. od hawle diclonn slo Gis lepine o Xiatm srettre x isla'e)acc's win's siejeid sia Gesieishals ists pis siels wines ore’sivks wivle si dieie.sictatwielaaulé ata iatejeie aatdecratiemayel 23 to 25
Specifications
VLV112AD/UQ/UZ
Power—Out put cidive voiesiebebr'cwce vee esse geingerbing pee seh cucce Sac suicn ves easulaauasin'alatp cuetaseisns eruvisn sae sedewececves ens hee lecdiaals nteseeee 55 (0 : 1% THD 20Hz ~ 20kHz)
Headphones Output pics tbaelannnSe sea inws en ce ilacads doses ve ededesiswedos ts novapeenessisesese es acd decchascesanetec docs scatetee semese es 55W (800hms ~ 1 kHz) 700nV + 10%
Input Sensitivity (kHz) Fl seeds caa mie nensscootpevasseetslasineaTesilesinnciishsasevien te SonsRegersansescstascsshateas CD. Tuner, DAT/Tape-1:150nV + 15%:
DAT/Tape-2, AUX(L-ch, Mono): 1500V+15%
Phono(MM) : 2. 5mV + 20%
Input Impedance (1kHz) ve Ta Raid ics ha ce Ra CD. Tuner, DAT/Tape-1:40kohm + 15%
DAT/Tape-2, AUX: 40kohm + 15%
Phono (MM) :47kohm = 15%
s FREQUENCY RESPOMSE to ee eosin etek a otertiperceteeneettencterct erst DAT/Tape-1, DAT/Tape~2: (10Hz~100kHz)+1. -4dB
CD. Tuner, AUX: (10Hz~100kHz)+0.6. -3dB
Phono (MM) : (100Hz) 13.09 + 1dB
Phono(MM) : (10kHz)-13.74 + 1dB
Loudness Control (VR-30dB) cette he cedeTSabe St Ritual eveuedas oacepubvelessneeonevevenuice<actucotieravensces aut ee ah OE ah nel (100Hz)6 + 2dB
‘ (10kHz)4 + 2dB
Tone Controls ccc es ereesee steer eeeeceeetnsenneceneenneennecatsaecsascanseanieenscuncensacantsaeransnicenssnasansseeeaneenttans Bass: (100Hz) +10+3dB
Treble: (10kHz) + 10+ 3dB
S/N Ratio ree Leveeseseseueneeeeneesestencersrssesesecassnenansenssisnessscccerescestens acta epee tiaeinienne aa CD, Tuner, AUX:82.9dB
(Input Terminal Shorted) do cdasteu stents eaccstes ds eioecGeutevestae seid scdsciess es Lecdeaessevestaneracetledesanteagaieriass DAT/Tape-1, DAT/Tape-2:78.5dB
Phono(MM) :64. 9dB
Crass Talk (L0kHz) Vou dhicnedioestadescaccteils caladees ms bate dete Na ee Blanca alae ees CD. Tuner, DAT/Tape-L : 40dB
Phono (MM) : 30dB
Residual NOiSe <cccccccecceeeeeec ec ecsceeetceteteeesarceneseeneeneencenssnceeeseiseereeseesencessascusanancescaacecagssacescascassicasenaceenseeenaciecaseasaeens 1. 2nV
Power Supply ee eee aes ac aa sepa cts oe Daraesa vats seleeiawewaceeseerspa Passteede ovedteus ste steuesisesdaestssawe¥e ie caavicce Metustattns l 20/220/240V, 50Hz
SOM LCONC ue LOTS etic eee is etiereneeecinrme eRe ee 10IC’s, 19Transistors, 37Diodes., 42ener Diodes
Dimensions dada deesvoeddsdaredsapivensecscecsseandesesaaseedesgeatsCeecdsavinsendvsstinsesats Esaxestedsee dus sadeevewses¥entaosscsneees teense 438 (W) x 137 (H) x 365 (D) om
Weight bina bnesuiee vewev'cse'seee Sali ses cvssl'ede veineadadias ccaielose os sob sse dee wealess Venus Uncitneles's ies sbces eins inacs haces vosdlg obs Sue ee Las bng se Suvboraye nce ceee secede edness cdbinndeddagdesseneenia ee 9kg
Note:Due to continuing product improvement. specifications and design are subject to change without notice.
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| LV-112
Parts
Locations
and
Disassmbly
Instructions
DAT/Tape Monitor Button Input Selector/Indicators
Operation Indicator Line Straight Button and indicator
Speaker A and B Bottons Aux Front/Rear Button
Power Button Volume Control
Phones Jack "
Bass Control
Treble Control
DAT/Tape 1 and 2 Buttons
iki Front Input Jacks
Balance Control
Loudness Button
Subsonic Filter Button
DAT/TAPE-1 REC. OUT Jacks DAT/TAPE~1 MONITOR Jacks
aux.
Jacks
(Rear)
DAT/TAPE-2
REC.
OUT
Jacks
TUNER
Jacks
DAT/TAPE-2
MONITOR
Jacks
CD
Jacks
Extra
AC
Outlets
(Canadian
Models)
PHONO Jacks
Ground Terminal (GND)
Speaker Terminals(A and B)
AC Power Cord
dé

—LV-112 .
1.
Removal
of
Top
Cover
*
(1)
Remove
six
screws
marked
"O”
as
shown
in
Figure
Direetion-6f
Too
Cover
3
and
4.
Top
Cover
Removal
(Pull
Out)
(2)
Pull
out
the
Top
cover
in
the
direction
of
the
arrow
as
shown
in
Figure
3.
>
oS
Figure 3
Bottom Cover
2. Removal of Main P.C. Board
(1) After removal of the Top Cover, remove eight
screws marked " @ " and four screws marked
" A” as shown in Figure 4 and 5.
(2) Disconnect all wires from the Main P.C. Board Rear chassis
O
and the P.C. Board with Heatsink can be removed
Completely.
Figure
4
Main P.C. Board
ink
ieee Figure 5

r
ee
Adjustment Procedures
1. Connection
TP1(TP3) ©
Figure 6
3. Adjustment Procedures
Idling Adjustment
Adjust
VR7101
(VR7102)
until
8
mV
is
obtained
between T.P.1 (T.P.3) and T.P.2 (T.P.4).
Adjustment Locations
Wee da
2. Control Setting
Power Switch abe c ee rec ccc rerecserccseveccceresnsneee ese reesenecn ene ON
Volume Control soccer ever vceseccevsccoseveuee Minigun Position
Balance Control: ic-sest*ssearsecssesersy Center Position
Treble, Bass Control --+:++++++++++++++" Center Position
Tone In Swi tch eee e ence cen eceeeeeeseneneeveresrerereeeecseerns OFF
REC OUT Sel ector Swi teh eee ce veasereresnsceccsvceseernes OFF
Cartridge Switch eevee ere een eee een ere ree enn serereeeerer ser sse eee MM
SP. SwitChreecsrcrccrcceer ee eee reece tree ceeeereceeeccercereerces SP.A
Others Pee errr reer eer err e ree Teer ee eee ere reer ee eee ee eee eee OFF
SP. A Terminal--------- se--8 ohm Load (Both Channel)
Note : This adjustment should be made approx. 30 minutes
often the power on or voltage becames sufficiently
steady state.
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NOTES:
alcrotaraas.
1. ALL resistance values are in onas.
K = 1,000
2. All Capacitance vaiues are in
P = 171, 000, 000
Tre A tne syapo! NO. In a pox in
the scnesartic diagram ana tne snagea
area in the parts 1ist designate components
which Nave special cnarocreristics important
for sotety and snoula oe reptacea onty with
types iaenticat
clrcult
avid
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2SA1265
1 POWER
| TRANSISTOR |
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2803964
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ADJUST
Q71I7
283182
POWER
TRANSISTOR
08101
2SA1360
| SHERMAL
PROTECTOR |
to those in tne original
or specifiea in tne parts tist.
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Power Supply Voltage
Measuring Meter
Measuring Point Reterence
Measuring Conditions
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LV-11
10

Parts Layout on P.C. Boards
and Wiring Diagram
FUNCTION P.C.BOARD
BLU Lt
sui) |
Lew |
5
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BLU (2)
WHT
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P.C.BOARD
TIOO|
POWER TRANS
BLK/WHT--Black
SHLD
Shield

Electrical Parts List
51T82394F01
51782395F01
51T00038L01
51T80884F01
51T80864F01
C1101
1C1102
102101
ICBLOL
1C8102
106103
1C7101
1C8101
51T80864F01
51T68833F0L
51T67437F01
ransisto
48T52543F03
48T52543F03
48T53301F02
48T53301F02
48T94820F01
Q7102
QT108
Q7104
48T94820F01
48T94821FOL
48T94821F01
48T52543F03
48752543F03
Q7107
Q7108
Q7109
48T53301F02
48T53301F02
48S40477U01
487448 13F01
48T44813F01
48T44813F01
487448 13F01
DBLOL
06102
D6103
4874481 3F01
48T44813F01
487448 13F01
487448 13F01
487448 13F01
D6106
CAP. Capacitor
ELY.=Electrolytic
Abbreviat
C
MIC. @Mica MO.=Metal Oxide Fila
MYL. #My Lar. PP. -Polypropylene
SOL. Solid ZEN. «Zener
ore
ec
0.
NJM7815PA
NJM7915FA
M5220P -
CX-770
CX-770
CX-770
STK3062
TAT317P
2SA970
2SA970
2802240
2802240
28B1258
2SB1258
2SD1785
2SD1785
2SA970
2SA970
2802240
2802240
1N4003
MALGSTA
MALBSTA
MAL65TA
MAL65TA
MALGSTA
MALGSTA
MALGSTA
MALGSTA
MAL65TA
LED. Light Emitting Diode
Main P.C. Board
ions
ER. Ceramic
Note: A: For West Germany godel only (AD)
@ : For Canada aodel only(UQ)
MM: For North American model only (UZ)
Others : Common
LV-112
Resistor : Carbon resistors under 1/8 watts are not mentioned in the
parts list. please confirm them by schematic diagram.
Capacitor: «Pemicrofarads. pF=picofarads
Syabol
No.
07102
D7103
D7104
07107
D7108
D7109
DI112
DT113
D7114
DTLIT
D7118
D7119
D7120
D7121
D7122
D7123
D7124
D8101
D8102
ZD1101
207102
Inductors
L2102
L2103
L2104
L7101
Part No.
48744813F01
48744813F01
48744813F01
48T44813F01
48T44813F01
48T44813F01
48T44813F01
487448 13F01
48T73079F02
48T73079F02
48T73079F02
48T73079F02
48T68764F01
48T68764F01
48T68764F01
48T68764F01
48T68764F01
48T68764F01
48T68764F01
48T68764F01
48T68764F01
48T68764F01
48T44813F01
48T44813F01
48T44813F01
48T44813F01
48S40477U01
48S40477U01
48T52739F99
48T52739F99
48T52739F41
48T52739F41
24783130F02
24T83130F02
24783130F02
24783130F02
24774372F02
24174372F02
Description
MAL6STA
MAL6STA
MAL65TA
MALBSTA
MAL6STA
MALBSTA
MAL6STA
MAIB5TA
1$$82
18882
18882
18882
182471
182471
182471
[$2471
182471
182471
182471
182471
1S2471 ©
182471
MAL6STA
MAL6STA
MAL65TA
MALGSTA
1N4003
1N4008
ZEN. HZ30-3
ZEN. HZ30-3
ZEN. HZ6C-2
ZEN. HZ6C-2
33 2H
33 2H
33 4H
33 2H
VERT] Lgl
VERTI 1H

Symbol!
No
Capacitor:
Part No.
23T00149L67 33 2 F/63V
C1102 | 23T00149L67 | ELY. 33 wF/63V
C1108 | 23T00149L37 | ELY, 220uF/25V
C1104 | 23700149L37 | ELY. 220 uF/25V
C1105 | 21768834F01 | CER. 0.01 uF
23T0014SL58 » 33 wF/50V
C1LLL | 23T00149L36 | ELY. 100 4F/25V
CLILL | 23T0O149L36 | ELY. 100 uF/25V
C2101 | 21S40655F22 | CER, 82pF
C2102 | 21S40655F22 | CER. 82pF
>> mer
08S40805F03 » 220pF
C2103 | 08S40805F01 | CER. L00pF
C2103 | 08S40805F01 | CER. 100pF
C2104 | 08S40805F03 | CER. 220pF
C2104 | 08S40805F01 | CER. 100pF
@or>nmep>
C2104 | 08S40805F01 | CER. LOOpF
C2105 | 23T00149L55 | ELY. 4.7 2F/50V
C2106 | 23T00149L55 | ELY. 4.7uF/50V
C2109 | 23742478F31 | ELY. 47 wP/25V
C2110 | 23742478F31 | ELY. 47 wF/25V
08TS7705F74 0.0389 4F
C2112 | O8TS7705F74 | MYL. 0.039 uF
C2113 | 08T57705F67 | MYL. 0.01 uF
C2114 | O8TS7705F67 | MYL. 0.01 uF
C2117 | 23T00149L74 | ELY. 1F/LOOV
23T00149L74 » LwF/100V
C2119 | O8T57705F58 | MYL. 1800pF
C2120 | O8TS7705F58 | MYL. 1800pF
C2121 | 23T00149L38 | ELY, 100 uF/25V
C2122 | 23T00149L36 | ELY. 100 2F/25V
08T57298F01 » O.LuF
C2124 | 08T57298F01 | CER. O.LuF
C4101 | 08S40805F01 | CER. 100pF
C4102 | 08S40805F01 | CER. 100pF
C4103 | 08S40805F01 | CER. 100pF
>> >
08S40805F01 » LO0pF
C4105 | O8S40805F0L | CER. 100pF
C4108 | 08S40805F01 | CER. 100pF
C4107 | 08S40805FOL | CER. L00pF
C4108 | 08840805F01 | CER, 100pF
>> DP D> D>
08S40805F01 > L00pF
C4110 | 08S40805F01 | CER. 100pF
C8101 | O8TS2714F13 | CER. 0.01 wF
C6102 | O8T52714F13 | CER. 0.01 uF
O8T52714F13 | CER. 0.01 uF
Note: A: For ¥est Germany model only (AD)
@ : For Canada godel only (UQ)
W@: For North American godel only (UZ)
Description
Others : Common
C6105
C6106
C8107
C6108
C6110
CBLIL
C6112
C7101
C7103
C7104
C7105
C7106
C7108
C7109
C7110
CTL
C7113
CTLL4
C7115
CTLI6
C7122
C7123
C7124
C7125
C7127
C7128
C7129
C7130
C7132
C7133
C7134
C7135
C7137
C7138
C7139
C7140
087527 14F13
08T52714F13
08T52714F13
08T52714F13
08T52714F13
O8TS2714F13 |
08T57298F01
23T00149L36 |
23T00149L36
08S40805F01
08S40805F01
08T61939F27 |
08761939F27
08S40805F05
08S40805F05
08T81196F05
08T81196F05
08T81196F03
08T81196F03
23742478F31
23T42478F31
23T00149L74
23T00149L74
23T00149L69
23T00149L69
08T81196F34
O8T81196F34
08T81196F34
O8T81196F34
08T57705F09
08T57705F09
08T57705F09
08T57705F09
08S40805F04
08S40805F04
23T00149L56
23T00149L56
23T00149L74
23T00149L74
CER. 0.01
CER, 0.01 uF
CER. 0.01 uF
» 0.01 uF
- 0.01 uP
» 0.01
» O.LuF
r, 100 a P/25V
+ 100 uF/25V
» 1O0pF
> LOOpF
» 4TpP
» 47pF
» 470pF
» 470pF
» TpP
» 7pF
» 3pF
» 3pF
f 47 Ww P/25V
23T00149L74
23T00149L74
23T00149L59
23T00149L59
23T00149L56
» Lu F/100V
> LwP/100V
» 47 wP/50V
» 47 wP/50V
» 10 wF/50V
23T00149L56
uP
uF
1, 47 wP/25V
» Lu F/L00V
» LuF/L00V
1» 100 2 F/63Y
» 100 2 F/63V
- L00pF
» LOOpF
» 100pF
+ 100pF
» 2200pF
» 2200pF
+ 2200pF
» 2200pF
+ 330pF
» 330pF
uF/50V
» 10 «F/S50V
» 10 4 P/50V
+ LgP/LO0V
» La F/LOOV
Description

Symbol
No.
Resistors
R1L01
R1102
RTLLL
RTL12
RTL41
R7142
RTLSL
R7152
R7153
RTL54
R7155
R7156
R7157
R7158
R8116
VR7101
VRT7102
RL8101
23T00149L74
23T00149L74
23T00149L74
23T00149L74
08T40658F70
08T40658F70
08T40658F70
08T40658F70
08S40805F01
08S40805F01
23T00149L23
23T00149L74
23T00149L21
23T00149L51
23T00149L53
08S40805F11
08T52714F13
23T00149L36
06T92264F46
06T92264F46
06T69013F41
O6T69013F41
06T92264F25
06T92264F25
06T92262F01
06T92262F01
06T92262F01
06T92262F01
06T92263F01
06T92283F01
06T92264F01
06T92264F01
06T92264F49
18041732607
18C41732G07
80T95099F02
O9T72605F01
O9T72806F03
Description
» LwF/L00V
» 1a F/L00V
» LuF/100V
» LuF/LOOV
» 0.047 uF
» 0.047 uF
, 0.047 uF
» 0.047 uF
+ LOOpF
» 100pF
» 47 wP/LBV
» LaF/1L00V
» 22 wP/16V
» 0.47 wP/50V
» 2.2 uP/50V
2200pF
, 0.01 uF
» 100 2 F/25V
MF, 750 ohm 2W
MF, 750 ohm 2W
Fuse. 100 ohm 1/4W
Fuse, 100 ohm 1/4W
MF, 100 ohm 2W
MF, 100 ohm 2W
MF. 0.22 oha 3W
MF, 0.22 oha 3W
MF. 0.22 oha 3W
MF, 0.22 ohm 3W
» 10 ohm iW
10 ohm iV
» 10 ohm 2W
MF, 10 ohm 2W
MF. LK ohm 2W
SOL. Variable 1KB
SOL. Variable LKB
DH24D2-0T (M)
Plate. Pin-Jack-2p (Phono)
Plate. PH 14P
(CD, Tuner. LD. RECL. Monil.
REC2. Moni2)
Note: &: For West Germany sodel only€AD)
@ : For Canada sodel only(UQ)
Mi: For North American godel only (UZ)
Others : Cosson
C4201
104202
LD8201
LD8202
LD8203
LD8204
LD8205
LD8206
Switches
$6202
$6204
$6205
$6206
Capacitor:
C4201
C4202
C4205
C4206
C4207
C4210
C4211
C4212
C6201
C6202
C6203
51T52383F01
51T52383F01
487666 16F02
48T66616F02
48T66616F02
48T66616F02
48T66616F02
48T66616F02
40T95030F01
40T83838F01
40T95034F01L
40T95063F01
40T95064F01
s
23S57007F13
23S57007F13
23S57007F05
23S57007F05
08S40805F01
08S40805F01
23S57007F21
23857007F21
23857007F06
23S57007F06
08S40805F16
08S40805F 16
08T57705F21
O8T57705F21
08T57851F15
O8T57851F15
08T57705F04
08T57705F04
08T57705F19
O8TS7705F19
O8T57851F18
O8T5S7851F18
Function P.C. Board
NJM4558D
NJM4558D
LED,
LED.
LED.
Push.
Push.
Push.
Push.
Push,
ELY,
ELY,
ELY,
» 100pF
» 10 wP/25V
» 10 wP/25V
» 2.2uR/50V
» 2.2uF/50V
» SLR-54VR3 (RED)
+ SLR-54VR3 (RED)
+ SLR-54VR3 (RED)
» 33 wP/1BY
SLR~-54VR3_ (RED)
SLR-54VR3_ (RED)
SLR-54VR3 (RED)
SPEC23 (LOUDNESS)
1P (LINE/STRAIGHT)
SPEAS1 (INPUT SELECTOR)
SPEC12 (FRONT/PEAR)
SPEC23 (TAPE 1/2)
33 wF/LBV
1 P/50V
1 2F/50V
100pF
5600pF
» 5600pF
» 0.022 uF
» 0,022 uF
0.15 uF
0.15 uF
» 820pF
+ 820pF
» 0.015 uF
» 0.015 uF
0.27 uF
0.27 uF
See eee TT
iO.
J

Symbol
Feststa@
1
Part No. Description
ee
aa
eT
18T98027F01
|
Variable.
K162
LOKBx2
(TRE)
YR4202
|
18T95027F01
|
Variable.
K182
10KBx2
(BASS)
VR6201
|
18T71727FOL
|
Variable.
RKDAOO
1LO0KBx2(VOL)
VR6202
)
18T95028F01
|
Variable.
K162
250KMN
(BAL)
‘ower SW P.C, Board
ee a a Push. SDLP LP (POWER)
$7301
|
40T95032F01
|
Push.
SPUNL9
(SP.A)
$7302 | 40T95031F01 | Push. SPUNI2 (SP.B)
Capaci tors
08T57437F09
08T57437F09
CER. 0.01 uF
CER, 0.01 uF
O6T92264F33 | MF, 220 ohm 2W.
RT302 | O6T92264F33 | MF. 220 ohm 2¥
OST52845F12 | HD MISS8AYCA
SP Terminal P.C. Board
Capaci tors
O8S40805F15 | CER. 4700pF
C7502 | O8S40805F15 | CER, 4700pF
C7503
|
O8S40805F15
|
CER.
47000F
C7504 | O8S40805F15 | CER. 4700pF
C7505
|
08S40805F21
|
CER.
0.022uF
>>> D> rb
08S40805F21 | CER. 0.022uF
09T83850F01
E7501 {| 09T83850F03 | SP 8P
09T83850F03
Note:
&:
For
West
Germany
model
only
(AD)
@
:
For
Canada
sodei
only
(UQ)
M@:
For
North
Aserican
aodel
only
(UZ)
Others : Coason
BD1401 | 48T81924F0!
C1401 | 23772607FO1
C1402 | 23772607F01
C1403 | 21768834F01
C1404 | 21T68834F01
J9901 | 09T80329F01
19902 | 09T80329F02
LD8701 | 487866 16F02
P1001 | 28T43812P04
P1OO1 | 28T55335F02
bien
Part
No.
Description
|
{|
Power Suplly P.C. Board
Capacitors
Miscellaneous
Bridge RBV-602
ELY, 0.01 wF/63V
ELY. 0.01 uw F/63V
CER. 0.01 uF
CER. 0.01 uF
Plate. Phono
Plate. Phono
LED, SLR=54VR3 (RED)
Plug. AC Cord
Plug. AC Cord
P1001
P1002
Q7113
Q7L14
Q7115
28T55335F02
09T51830F0i
48T92782F01
48T92782F01
48T58610F01
48T58610F01
48T58609F01
48T58609F01
48T64375FO1
09T51831F01
Q7116
Q7117
Q7118
FQ8101
SL001
Plug. AC Cord
Plug, SW
Tr, 2SC3964
Tr. 2803964
Tr. 2SA1L265
Tr, 2SA1265
Tr. 2803182
Tr. 2803182
Tr, 2SA1360
Socket SW
TLOOL
T1001
T1001
P1101
FLLOL
25T95045F01
25T95045F02
25T95045F02
85T42077U16
65T66926F 14
65T66926F 14
§5742077U21
§5T66926F19
65T66926F19
09T68841F03
FLLOL
F301
P1301
F1301
J1001
Trans, Power
Trans. Power
Trans. Power
Fuse. Seako 1A
Fuse. 51NM 1.25A
Fuse. 51NM 1.254
Fuse, Semko 3.15A
Fuse. 51NM 5A
Fuse. 51NM 5A
Outlet. AC
J1001 | O9T68841F03
Outlet. AC
a.

LV-112
Packing
Method
View
58B40442T08 | Packing. Front Frame
56D94704F01 | Tray. Packing
56S83833F41 | Cartor. Packing
68P81707F04 | Owners. Manual
—~ 19 —

LV-112
- Cabinet Assembby Parts List
Note: The parts without part numbers are not supplied.
Part No. Description Part No. Description
01¥94400F27 | Assy.. Front Panel
15D72658F01 | Cover. Top
15D94698F01 | Cover. Rear
15D94698F02 | Cover. Rear
15D94698F07 | Cover, Rear
86B70885F07 | Knob. Power
36B83814F01 | Knob. Speaker
36A72661F01 | Knob. Push Tone
36A67333F01 | Knob. Push (3x10)
36B67336F02 | Knob. Main Yolume
36A74341F02 | Knob. Tone Volume
TSTS7T059F01 | Pad. Trannleg
T5A98563F01 | Pad. Trannieg
03840018G02 | Scr., TPG (3x8)
03844205652 |Scr.. Pan (M4x14)
03S71031F04 | Scr.. Bind (M3x8)
03S40036U01 |Scr., W/Washer (M4x8)
15A82362F01 | Cover. V-Sele
O3S71677F18 |Scr.. Pan (M3x12)
03S40018G12 |Scr.. TPG (M3x10)
O3S71031F09 i Scr.. Countersink (M3x8)
14S53018F42 | Insulator
03C40121T18 | Bolt Hex W/Double Washer
(M8x10)
03S$40018G08 | Scr.. TPG (M3x8)
29C41045P05 | Lug. Wrap 54am
03A82468F01 |Scer.. TPG (M3x10)
03S71031F03 | Scr., Bind (3x6)
14A82952F10 | Insulator. Y-Sele
O1TL5036W03 | Assy.. Conn. IP
43B41625J02 | Support. Cord
29T66964F01 | Terminal. GND
03S48997P42 | Scr.. Countersink (M8x5)
05B41635J02 | Rivet. Push
43A41837U04 | Spacer. LED
09T84840F02 | Lug. Style 32mm
43T53136F04 | Bush. Cap
O9T51410F01 | Holder, Fuse
43A41837U02 | Spacer. LED
14A96023F01 | Insulator. Jack
Note: @:For West Germany model only (AD)
@ : For Canada model only(UQ)
@: For North American aodel only (UZ)
Others : Com#on

| LV-112,—sLV-112 |
Exploded View (Cabinet)
2 99.

Semi-Conductor Lead Identification
NJM7815FA: 1C1i01
. Output
2. Common
. Input
. Output
. Input
. Common
M5220P: 102101
OUTI Itt IN| v7
NJM4558D: 104201, 4202
A —OUTPUT (1)
f
Ns Sone Ae
LV-112
LV-112 |
TAT317P: 1C8101
INPUT 1
STK3062: 107101
char
cuit
-------------- @-------@-
MUTE Vee
(8) a ea
Voltage
Circuit
Schmitt
Circuit
Dis ge
Cir
CURRENI
MIRROR
Regulated