Panasonic Sa Sc-tm70av Sch

RQZMD 1 27

Manual deSeniicio Sistema Estéreo

mJO§@DIGiTAl. AUOlO

SC-TM70AVlliJo~@ (DIGITAL V1DEO)

SB-PS70 SB-PS70

SB-TM70AV SA-TM70AV SB-TM70AV

Archive y use este simplificado junto con el CO de datos CAT. ID: A CDR02081AOX Aug. 2002 Vol. y refiérase al modelo SA-VK800GC (para los bafles frontales refiérase al modelo SB-VK800GC)

RI Amplificador 11 Lector de discos compactos Potencia de salida RCM al 10% DA T, Frontal (Bajo) 90 W por canal (6 Q), 80 Hz Frecuencia de muestreo 44,1 KHz

Decodificación 16 bits lineares (Alto) 95 W por canal (6 ~2), 1 kHz Fuente del haz Láser semiconductorl780 nm Surround 40 Wpor canal (B Q), 1 kHz Número de canales Estéreo

Subwoofer 90 W (6 12), 80 Hz Respuesta en frecuencia 20 Hz-20 KHz (+1.·2dB)

Potencia de salida PMPO 7000W Wow y Flutter ' Por debajo de los limites de mediciófl. Filtro digital 8 fs

11 General (amplificador) Convertidor DIA MAS¡., (1 bit OACI . Alimentación 127 V ca ± 10% 60 Hz Consumo de potencia 414W Video eD

Datos de video Basado en MPEG 1 Dimensiones (b x h xl) 250 x 3:,5 x 360 mm Datos de audio Basado en MPEG 1 capa 2 Peso 9.8 kg arpox.

Salida de video Formato de vídeo NTSC/PAL

11 Bafles ¡r;¡:ladancia de Dimensiones Peso Voltaje de salida 1 Vp.p, 75 n entrada (b x h x 1) (aprox) Formato físico Basado en el formato de CD-ROM

FROh,TAL 250 x 380 x 395 mm 5,3 Kg MP3 • Bocina tweeler Decodificador de MP3 Basado en MPEG 1 capa 3

(baJO) (Elite)

6 U 6 ~2

Velocidad de bit Frecuencia de muestreo

32 kbps-320 32 kHz 44.1 48 kHz

SURROUND SUBINOOFER

8 n 6

x 106 x 118 mm 190 x 380 x 340 mm

0,9 Kg 5.3 Kg

Notas: 1. Toda L,. información contenida. está sujeta a cambios

previo aviso. Consulte las informaciones emitidas por el deparl"imento de ingeniería de audio. Pesos dimensiones aproxirnados.

n

SCHEMATIC DIAGRAM-1 -- : +B SIGNAl UNE ... : eD-DA SIGNAL UNE

~ OPTICAl ruPICKUP CIRCUIT mCD SERVO CIRCUIT

J~ ~i¡ +~ ~ CD~ ~ '-~--Q7-0-1--~---iii--'------~-'~-------------~--------------

®~ Q701~ B1ADCFOOOOOl ~ ¡J :03 @ LO LASER POWER ORIVE ... 6.3Vl0n

@ li:DGNol RJíº @~I +

@~ 1 6~01ó ®~ T

@ NA T"~1' :::: @l VREF

@ LPD

@iGN¡;

:E1l-fT~*CJ~O@h 1 FlI01'-CJr~Ii=-I--+---'

I

ft~1;7 ~~ 180P 120P

~~ R744 R702 R705 0.01 120K 10K 150K

.....-ll--f-- ~~ C711 0.01

.....

."

~ ?~~------+-------------r-----________________-,~7~ R728

15K

--jrs0.1

*10V220

iJr°~· 0.1 iH1 .Á1\...M M70Z

~SPMOTOR

IC703

R"f49 22K

:C703 AN8739SBTE2

FOCUSCO!U TRACKíNG COIU

TRAVERSE MOTOR{ SPiNDLE MOTOR DRNE

R715 R731 2.71< 22K

SCHEMATIC DIAGRAM - 2 -- : +6 SIGNAL UNE ..: CD-DA SIGNAL UNE ~: CD SIGNAL UNE _ : VCD AUDIO SIGNAL UNE mCD SERVO CIRCUIT

~ IN3.3V

IC705 1.BV

~ ~o '-1.1_21

&¡C7C5

COCBAAC00112 1.8V REGULATOIl

R721 IDO

R717 lK

R71a lK

{C125 c;1.2? 1000P

*1~~~ + C728 50V1

TOII

R111 B2K

U~.~~c~ W~CWQO~~~~Q~

0.1 22K ~ 8 ~ c: ~ ~ g; o ~ 5 ~ ~ g ~ tt ~ ~ ~ g1 ---<41 2 3 45 6 7148 9 51 2 53 54 9

I

f17 R709 (.) l.ó. ~ U. o <N "'" g"... tt:. .... n M N C) N lO .... N X

~ ~ ~< ~Oo~ º '-----1-+---+----~40 IREF ª

ARF-~lMnp no:;~~~~~--------~38~ON

~r_--_i---------~31~BOO ~r_--_i--------_t36 NRFDET ~r_--_i----------~36~Off ~1---_i-------_ó4)RFENV

~r----_r----------~}~ --r-----~I--------_Q~2ff --~--__1r----------~31~

--r----~r_--------{¡o)TBAL

-;::;:;;!1r-~------"""--(?!9 IOVOOl-++-"'-'"G72~9....i·Q",•. ------{2Il}FOM

~:

IC702 MN662791AA SERVO PROCESSOR

DIGITAL SIGNAL PROCESSORl D!GITAL F!LTERl OlA CONVERTER

¡-------------(/14)TRVM(PC)

r--------------~·TF!VP r----------~:SPOUT

N '" o

MCLK l!}--_+..J MDATA(62}---+--.-J MLO~---+----.J

BLKCK S4}----j-----1

PWMSEL~~----+------+-t--+-r+--+~ SMCK 56 SaCK 67)---...J STAT SS}------Jot,;fI;-' NRST 699)-____-.lR7:!!.ii!53i!....!l10'--!

SPPOL o PMCK 11 ~~~1i~Y

7~-----~~---4_++__f-++_+-~-~iCi·5DQSY '" .... L~ =~TXTD(r.9------• .......,·";'''7~ó,'-----++_i_+++_t_<>iCi·4

h9-------J~";'~~~---~_f_+++_t_<>=~iCi·3·TXTCK" L1Q3 ..... ~STÚ~----------~~---------~ OUTX2 7·~-----------1r--...........¡!t-

IN Xl (m-------, ~W DVSS1 78}--------,

DVDD1(77,....-------y

MON(!larr------, R720 nli'i

1M TX~

~ ~ w 0~ o

¡g -" ~m2~ l"-li~aíl.!j' .Q1i~ -/~ 019181 141312 11 10 9 8 7 61.5 4 3 2 1~

~< ~<~ ~~< as~~ 8

;:q~30.1

J-

8 1"i ~ ~ :;¿ o- J :á' :t

~~(Í244)_@_(22)-(i2i}1l-(-(Í""",20l-t(}_1i1105}¡l-(_(1i118B)_l-((i'177)Il-(_(1illSB)_-(í!5~;J-ot~1149-tlvirslirM CAS OE A9 ti: A8 '¡;f A6 AS M VSs

IC704 C3ABMB000027

IBM DRAM

ve DO 01 ~RAS!:l!(!:l!( ~;.Q. ~ Al A3 ~

1 2 ~~11l-!12l_(13J-o

~~10.1

C782 0.1

H01 RLBV10lV-Y

~ s-ro'f 1RESETSW

lB 1

lB 1

MAIN CIRCUIT (CN310)ON SCHEMATlC DIAGRAM-7

IC1003 IC1004 COJBAZ000529 TC7W14FUTE1L

INVERTER SCHMIIT INVERTER

1-----~===p==F=;::=~===l==i=:~-:J¡-

0.1

~[~~~~~~~~~~I~I~ IC1001

C3CBLC000031 BMMASKROM n

...~~n~n~g¡~~J':¡i!itlí1!ia ~l"liiW~W*i ,N'iM,N''''''!oI'M.M,lo(.JoI1.!o4\j~i!wi4(.wM~,'''MoWü~f' ~1 NéÜ[l"~ " ..:. C1000_IC1001

d1NC;l;~Z~! 1IIIIIJillJIllllllilI ~ el lll10P 1_OQ ...... N~ c4'I-I'"10? ~

~ ~~~~~~~~~ ves 8' 8 8 ª ¡§ii:Si!I ~ NC~ ~CDSCKO

'3 CO&cK ~ NC~ .CDDATA. PI02~CDDATA

R~$eRV!!OtCDLRCK""" tOlRCK lPFLG & oC2FO

I~ 'i)NCn~~~l§~I~[~[U NC

l.-----.iGl '7..----ImB OAXC)( e¡-----*iül19 iGI24 AG~'~----------~,---.lm18 1n127<>- RES€RVE1)'D--------,

,--.1nI13 RESERVEO@-------i ,.,t, A+3.3 IIC1000 .... evou 'H1~2-,----o iGIiGI 29 C IC1002 ~oo~--------~~~~----r.~

1I MN89103M2 ~Ou '

[j 23 iGl 11 MPECVIDEO YOUT 4OO~ 3ABI¡¡¡¡<,¡o')89 1m3 MOS AUDIO DECODEl1

VGND • El ",,,rJ_ VGN •"'ff ~ " "'ov r::::1

lMDOO ::¡ ¡:¡[ 11i:J

0+3.3VI(5I D+3 '''' fl.

--< C10051

0.1 J: 1 Tllllrllll TIIIIIIIII

1

WW~VM~Nrom úw~w~~~~~w AGNO ~ ~g§gg~ggg8 z~~o«~~<~ NO

~1.0~2l1000IC1002 R1005 ü~~~~üm~~o ~~ ü 75 Cl014.~~Rxg~~~R~ &)&l~~§@~<~~~ Cl013 15DP' ~ Rl(114 100P

mI~ " l1~~~,~ ,~W22

I.C1003

I.C1OO9qL .L 0.1 LiúDO

PI !!JI .. C1012' G1C1RaKAOOOe >j '" :¡¡ ... I. ()1 L1002~. G1C2R7KOOO05[t~.

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e ~ * -i

JiJ < <() () O O » < f:i @O O (fJ (fJ

Gi Gíz z ~ 'f!.

1 r- r-Z Z m m

TODl MAIN CIRCUIT (CN311) ON SCHEMATIC DIAGRAM-8

I

SCHEMATIC DIAGRAM - 4 - : +B SIGNAL UNE c:::::> :FM SIGNAL UNE ..: AM SIGNAL UNE

1':1 ~: FM/AM SIGNAL UNE DO\> :FM OSC SIGNAL UNE ...: AM OSC SIGNAL UNE

I:ITUNERlMAIN CIRCUIT

Q106

15 OHM

&0106 KRA102MTA

llJNER lfiV >1M LOOP SUPPlY SWITCH

Cl44 AMEXT

ANT JK101

r.:I

I>---..,P""LL"'O""A (2B) ONJi¡ >- SCHEMAT1C

I...................~~~~~~~~s;:~~:;~~:;~::~~~~~~~~~~:;~~~~~~~§;;~~~::~~:~~.-.-.-.-.=~:OO~lC:/~STJ1B DIAGRAM-5

6800

~O~l_TI

Rl4S l00K

R'110 R112nCl0e l00K 1 8P

Rl19 ~118 3.31< 3.31< -¡¡. Cl43

6800'7 lK 1107r,G47

5,8K

letOl LA 1833NMNTLM

FMIAMIFAMP DETIAM OSC MIXI

FMMPX

R113 101<

C125',M 1",~,111

¡;¡::V4,7 .",

R115 660

~L9F'2~~~~~~~ 10',01 Rl~6

H:~ lK 27P

Rl11

47K R129 27K

~ ~ ~ ~ ~ ~ g ~ ~ ~ ~ ~ > ~ < > ~ ~ ~ ~

R128 + et29 82 j'E.3Vl00

C149; 0,1 r

Rl32 lOK

Rl33 lK

120

'" IC102 O LC72131MDTRMPl.LFREQUENCYSYNTHESI~R .L TGI-ID } roa '" jl; w _ --' o ;:,; 3; g g ;:¡¡ '-----'"""",/iV'" MAIN

x '-' o. o ~<¡r0-<;a. J.' te I>----OO=/S""T CIRCU1T

U ' 2 3 4 5 6 7 el-l'9_01- 1>----..... (2A)ON1--____-1-__-.."".;";;:,0 SCf-IEMATIC

+7,5V

1 DIAGRAM-5

~ lA

27P ~--'\Nv...j..-I-...j..-b

~1~~~'*~

~ Rl30 le: _ _ '-------I--l!!!"'!-V~.....,..,lC;;H CIRCUIT ióK'

~~~~H,~~E----~----- ~----~~~~R~~J~~

SCHEMATIC DIAGRAM - 5r.3 - :+8 SrGNAL UNE : CD SrGNAL UNE _: AUX SIGNAL UNE Iil~~ : RECORD SIGNAL UNE

l'.lL$ ;PLAYBACK SIGNAL UNE 1:1MAl N CIRCU IT - - :-8 SIGNAL UNE ~ : FMIAM SIGNAL UNE E!$ ; MAIN SIGNAL UNE

Q208,0408

KTD1304TA LINEOUT

MUnNG SWITCH

C245 5OV3.3

LlNE.Q:.rr

RCH "" R253 1<254 ::!:::,!45 +" 471< lK T'01JP

5f..w 1<454 ::!:~ O446...L

"1K T'ooP 5OV3.3

LCH

''''''' ""-" +

RCH

1=V~~ ~1~~ R20ól 3.31(

~*~1<401 :1:<;:402 R40ól ...L 101( T'OOP 3.3K

LCH

JK3il5

10303

KIA4558FEL DUALOPAMP

1C300 C1880ooo0731

AUDIO SOUND PROCESSOO

15V DOISTr'IC so4-r rCE

Le>!

i'U.DA le DOIST

PU.CLK

213

~~

@I¡¡¡¡:®~ ®AGMO

0

-<N

MUTE...L

"" coR'"

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')lt< so R31l5 +~¡\I

27,..... ="'" 0317 )_

COL'V

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3 .....

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~ 101JK 11( 471< OJrt

~ IC303R455

~ 11001< Q408(r:v R456

~ 11<

R460 fJ3 471< 0.01

. Q300 +

cUa1~~HcUI'KRA102STA R457 C447 "" UNE OlIf 4.71< 50V3.3 47 ~P

MUT1NG CONTROL R!.5Ji f«.5!I C450

r 27K 3.3K 1W10 +

11142 0314 R343 l'if.~

v471< +511V4.7 33K

~Q3~ ....

R2~r .. -v

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frJ'151( ...,

R219 ~~~

F~ ,~~~r¡ 1.5K

R20r "'¡---' .~. ~1.BK

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~R2!l4 :I! ¡::";> tJ

1C300 471<

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T2M3M4Joooo1S 6 .J.. & 9 10 ~ 1~1_'6loo(l!J-(t8 19

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lI- .¡ ~,~

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' BOOCSROQOO(l9

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T

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R419 R420

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&Q32O ~ á'\l 390

81AAKDOOOO09 VOlTAGE REGUlAIDR Q320

I L I

AUX2

I

TODJ TUNER etRCUIT (1A)ON SCHEMAT DIAGRAM

TODJ TIJNER CIRCUIT (18) ON SCHEMAT DIAGRAM-4

TOII OEeK CIRCUIT (H1001 1W1001)ON SCHEMATIC DlAGRAM-16

SCHEMATIC DIAGRAM - 6 ¡¡r¡$ ; RECORD SIGNAL UNE ro DI~: MAlN SIGNAL UNE

l!IMAIN CIRC~~SIGNAL rrn) ; MIC SIGNAL UNEUNE

Q362

B1ADCFOOOO01 FAN COi'ffROI. SWITCH

QllOO KRC101STA

00 BLKCLK INTERFACE SWITCH

Q801

KRC1 01 STA OIJS.TATUS INTERFACE SWITCH

Q30S

KTC3875GRTA SWITCHING

Q2!l1,Q401

KTC3875GRTA SWITCHING

&Q302 KTA12710YTA

MOTOR1GV SUPPLV SWITCH

Q3G1

KRC102STA PLUNGERONlQFF SWITCH

ro CD LOADING CIRCUIT (CN1) ON SCHEMATlC DlAGRAM-22

SCHEMATIC DIAGRAM - 7 r:I -- :+B SIGNAL UNE ~ : CD SIGNAL UNE ~: VCD Al,JDIO SIGNAL UNE

~: CD-DA S!GNAL UNE ~ : MAIN SIGNAL UNEI::IMAIN CIRCUIT - - :-BSIGNALUNE

0202

KTC3875GRTA AGC CONTROL

R483 11( .. '--;1"

-yR283 1K

i¡;'l.'

R285 121<

R264 3.8K

021o ~.Jt----'II-""-lC2t-¡c:::v ~~ 022

R286 82K

0410(:;

R335 o

'" -' 0207,0407Q. a. I :r KTD1304TA

~t ir HEAOPHONE Mun:-¡G SWITCH

0210,0410 R289 R4as KTC3875GRTA

1 1 8W11'CHING

ip -

Q20Ó-1+---"·J.:.N'.iI.1r-+----k'~l--~fJ" l'-'6,;;t 0202

1K MA2J12800l

ii:llo+ ~~ ~

R450 0407(d/J+---R44\l"""''''

11

~~216.8K

R221 5.8K

F~:

R230 121<

R223 471(

--v C231l 1liV10

R224 1,21<

+~l60.68

~rf4 ~30~:. C319 0.01

:':

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KTD1304TA,008

IC302

24 042 ~~f:.008 100 ~ R422 ~R423 0426 4.71< 47K + SOVO.6I!

Rol24 1.21< 'Cih C428

1nn¡::a 47

R425

1C302 .~!I. COAABB000117 TI'!:

R430 HEAOFHONE AMP ~R448 .'21< 3

Q402 >R---,\0442

_ 6S!JOF R426

R4 f>J

2 Ir"S-----j04K~I----+ 2.2K

1K MA2J72600L R427

Q462

KTC3875GRTA AGCCONTROL

R8e5 Rall4 RIle3 101< 101< 10K

,'i;t2fu~ ~~ ~ 4,71(

I¡¡¡

MIJ11NG SWITCH

.... + "Y C430

16\110

Q307 ~

R337

QrJ271(

~,n~ ?~

ii\

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l1i 5 ::i1

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3.31< 11<

R331i o

0307

KRA102STA AUmO MUTING CONTROl

~ ª ª ~ ti~ ~. ~ I

~

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R276 220

:¡. ..(fi.

J

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C82Q 1000P

o: ",'

I'(¡jo

i

R864 1.8K

~,

R48!l 12K

R464 3.31(

-C459O.22L-

R4403*

SCHEMATIC DIAGRAM - 8 r.:I -- :+B SlGNAl UNE ~; veo AUDIO SIGNAL UNE ..: CD-DA SIGNAl UNE

cm$> : veo VIDEO SIGNAL UNEI:IMAIN CIRCUIT - - :-BSIGNALlINE

I

0205 02(l(

KTA1504GRTA KTC3875GRTA SWITCHING SWITCHING

R266 4.71<

Q206,0209

KTD1304TA MUTING SWRCH

~R274R275 1.21< 390

~

g'

1f1>.

R482 1.8K

+C456 16V10

'" 9' ~\).

;<262 1.llK

+C251l

R3!l2 o

0313-0314 KRA102STA

SWITCHING ti'

) P Q20~)--Q2~ 16V10 0313 0205

,., 0204

~ M4; 'b

0314 ~ ~

o

~~ R272

¡¡'82JJK

~ O.fl1

R3!l5 o

R397 o .....

R338 o

R271 1K

Q211,0411 KTD1304TAMUTlNG SWITCH

R387 68K

1 I R320 ¡ 3.91<

C350 0.01

C344 0.01

R30a o

R3S1 151< +

R321 3,3K

~ IC307

KIA4558FEL OUALOPAMf'

~

Q409 r:i~;¡ ~ KTD1304TA R32.óI: R32 1.C".n

L:==========================:M:u:n:NG~______-¡3,9I< ~ .'~O I R3033

~------t--------------r--r--r----+---------rt~ R4~ 0405 k::!.. rdI

~- 21 ~R474,..4.71< '" 300

't:::l 0404

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R36!i 2.2K

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1

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R443 471< ;L.......

TOm

Ra56 101<

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Q405

KTA1504GRTA SW1TCHING

R472 8201\

O406~ 0409

Q400I KTC3875GRTA

SWITCHING

0406 KTD1304TAMUnNG

R367 R3S1 100K 220

Q318 KTD1304TA

SW MUTlNG SWITC H

VIDEO MODULE ClRCUIT tCN1000) ON SCHEMAllC DIAGRAM-3

•• • ••••• SCHEMATIC DIAGRAM - 9 TOID

-- : +8 SIGNAl UNE E$ : MAIN SIGNAl UNE MIC SIGNAL UNE PANEL CIRCUlT (CP600l ON SCHEMATIC D1AGRAM-14

MAIN CIRCUIT ~ ~ ili ~ ~ ~ o ~ ~ omm ,~.•

" ~~!5 :;;'3!!:"i'§n.' '" ::1; ¡s ó'~1). (L'

----..

swsv

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¡;¡ ~ ~a: '" SWl Ra~9 00 SW2 Rfl27 '00 OPEN 1'/825100

'UJlMP R823 100 BOTTOMSW "82';100 POSITION R8'9 100

MM.,.CS

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C8~..10P ,"818·...11< r Rll1~v47K 1<815"'00

MM..REO R8'illK

CIlLKCK

---:;w MM.,.RST R600 lK

~1 r"""'v R807 ~¡U41K

ReOl R899 22K l o

" ba02 Raos

~1~! BOAACKOOOO05 10K

QB01

~ 2SC2712GRT5TMM..I'O SWITCH

~

OBIJ2 2SC2712GRT5T

SWITCH

-t4.1K

> OS03Q802

~ 1<803 411<

RS06 1K

M~ctK ';<.;0

;{,! ..1' :i '"

J ~~ G::1 ~9~ iB ~"§g~ C8!~ tl ::;¡tl

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RB95 + Ra98 R632 RS33J47K C810 o 'K <<1<

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~ CHG...llWl

o ~~5>~ ~(Ot'"l<f) ~ t) ~ t)~ 8~~~~

u Mf'3RST4S

2 CHQ..SW2 P\.LSEL4 '""¡:n:,,,'3 OP~N HSEL RS611K MSEL

HOO4 ClAMP I~ BOTTOMSW HIlI HOIO

6 POSITION HCLK HCLK

7 NC Icaoo VRST42 VRSTaNO C2BBGF000366 HIN! 1 HINl 9 CSOCK MICROPROCESSOR HRDY HROY

10 SOUT EMPHA EMPHA' 11 SUBQ VMOOE "

1 s.cs VMUTE~ ~ S·CLK NO 36 14 SDATA EEDA , "¡¡IJA15 SOATÁ.. EECLK EEu.!\1S_REO

u.a: iil: ESCS 3 SOCS' !z ~~ ~t ;Sj 8."'0 RBas

~~~ou ~~~~~~~ 101< OlUOC2Z

17 1819 2IlJi!1 !tlI2[3(l{31~

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i~ fl! o:

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6 1ji ti 1K

~ 1 JQ ~

~ :¡ fi Ra'4i I47Ir

t .tXOOQ

lCS11H2660Q.W{)OOa

Q800 !!l~ ~, ~, 10.1 1C/!(16

KRA102STA :l!a: ¿¡ COJBAZOO0524 f!1' (!)I I INVERTERcoswrrCH CIC1 gxr :x:::: <.lU 00

Q81J3 2SC2712GRT5T

SWITCH

~:19 <fo~ Q800 F!-J Q804 SW800

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TOO POWER(1) CIRCUIT (CP503)ON SCHEMATIC DIAGRAM-1 7

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TOI!I POWER(2) CIRCUir (H5031W503)ON SCHEMATIC DIAGRAM-19

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TolI TRANS CIRCUrr {CN950)ON SCHEMATIC DIAGRAM-22

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TOII TRANS CIRCUIT (CN9511ON SCHEMATIC DIAGRAM-22

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TOmI SUBTRANS CIRCUIT gCN953)ON

CHEMATIC DIAGRAM-22

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PANEL CIRCUIT (H600/W6001 ON SCHEMATIC DIAGRAM-14

SCHEMATIC DIAGRAM ~ 22 r¡tVOLTAGE SELECTOR

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TOta SPEAKER TERMINAL CIRCUIT (H950 /1N950) ON SCHEMAT!C DIAGRAM-21

TOta SPEAKER TERMINAL CiRCU!T (H9511 W951)ON SCHEMATIC DIAGRAM-21

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TOm MAIN CIRCUIT (CN309) ON SCHEMATIC DIAGRAM-6

r:lSPINDLE r:lCD LOADINGa.!I POStTION ....CIRCUIT CIRCUIT

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