TECHNICS SA-GX470-2 Service Manual

SA.GX470 1

WOW,. ”,....

.-.

SA=GX470

SA.GX470 ~

x’

■ WIRING CONNECTION

EIl

R’----

❑ PwR ,R*NS,ORMER ,.’.,.

DIAGRAM

,.. ,“0.0.

@

---———

(

4

,,

Ia

MAINF?C.B.

■ TERMINAL FUNCTION:’OF’ IC”

IC901 (LC8AO12C5524): Microcomputer

Pin

Vo.

Speaker select control terminal

41

iaa=l

3 I ‘T’ I 0 I

Level shift control terminal

4 I ‘c I - lNO’”’ed’O”en

RELAY

h

—

.“!0(

❑

TUNER

PC. B.

c,.

.,

—

5

6 AF MUTE

7 I LIMIT I O I Muting control (–2f3dB) terminal I

6

?5

16

17 I V13D I I lPowers”pplytem3i”a[ I

16

19

J1

SI

32

DG1

DL8

I ’13 I 0 lseL7ment81g”a10f FLdfsp1ay I

VPP

I

,

S12

S+

FV4D

R;V

o Relay control terminal

Mutingcontm lterminal

o

Digit signal of FL display

o

Power supply terminal of FL

1’1

display

Segment signal of FL display

o

Rotation control terminal of

o

volume motor

42

I

43

I

44

45

46

47

48

49

50

I

51

52

Mark

DATA1 I O \ Serial data signal

OVER
LOAD

CKI

DATA2 I O lSerialdatasig”al I

ST2

5-6

SURR

PASS

‘c I - lTe’t’erm’n”

‘Esm I ‘ I

XTI

X72

No

Division

Over load detect terminal

I

o Serial clock

Level shift control terminal

o

Function

signal

I

0 Remote control terminal

o Level Shift control terminal

Reset detect terminal

Not used, connected to power

—

supply

Not used, open

1’1

I

I

I

I

I

■ REPLACEMENT PARTS LiST

Nole.: ‘lmP.nant mfelynotlce:

Cenw.nmt. Iamtlfled

F“,th.mwre,w.ml,! P8rlswhlch ha”. P“rPo,m of flm.retardant IwIsI.x,), h!gh-q”al!ty sau”d(-w!tors), IOW.”.!W (,.8 I,!O,,),,1O. . .. used.
woe. mplaclnn

‘meparenihesrM lndlmlloNB lntt!e Rernark$co[urnna smc!fytha arm% (Relertothecoverpw fermea.)

Pmt%wlth.a.tehem I.dlmtrmsem be mad (Ordl$mm.

Fief. fb,

1Iclol

Ic102 LC7218

1CS51 AC14052KP VICfO SE1EC3CN
IC461

IC462 om457Lw EIIFFERANQ.
1C451

1C531

Icllms 62184P frJrFERAW

Part h Part h 8 03scriptim Rem4rk

M1832A

NJU7312AL

AN65B-FM FWOEQMP.

M6218

bYA rmrk have WRCI.I charactw[slics Iknmtmt fc.rsafaly.

myofoomponents, be wet. uea.nly m... faclur*r% wadfled pwlsehmnn (n Iheparls 108!.

INT36RATED C16UJIT(S)

WAN IF AWAN cm

FtL FFE13fffifE31ZER

1W4J’ISELEUUS

I

~-mm I

UK .,..,.

~ToffEAw, 10353
~FIAT MP,

[ ,.

73MSIS30R(S)

I

Ref. b Part fb. Part be E Sescripticm F@wks

Q933 LIN4113TA
Q934 UN4314TA
QW5 2SAI’M9AIOTA TR4nsIsm

Q1OO1

2X3946MSTA TFA!KISITS

... ... 10102$

I&

, ~.351, 352 N4465&ATA

NW Ironw

pm NA40

. .... “..”-

253EJ36501T IDIODE

L., ” ““,.

0038 M165 olorE
0654,655 NU65
0656

0857

N44LWW3A O1OIE
K4165

T7LLwsm.

mL4ftHs3m

O[orf(s)

h L3row

101OM 1A

oIocf

O1OIE

A

A

I

I

I

1

I

F,’ “ ‘ , , ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ , ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ ‘ “ ‘ ‘ ‘ “ ‘ ‘ “ “ ‘ ‘ ‘ ‘ ~

ml CPmz

❑ “’’’o”o” ‘c’

❑

HEADPHONES

JACK P,C. B.

a
mm!

a

m

–3$—

34

35

36 I IFDATAIN I I

37 LOUNDNE3S –

38 I

39

40

FMST I Stereo signal detect terminal

SD

ST3 I O I Level shift contmltermlnal I

VIDEO

CE

I Received signal detect terminal

lSedaldataslgnal

Not used, open

o Video selector control terminal

o Chip enable terminal

I

I

– 39–

53

54

55

58

57

Jo

61

STANDBY I

62

ENCODEA

ENCODE S

%3

—

REMOCON ,

64

Vss — GND terminalss , ,NI , - lNot”sed,co.”ec:edtoresistor I

CF2 I O lT.wmi”a[@Mtiz)

VDD

K;YI

KEY4

IN

1’1

Power supply terminal

I

Key matrix detect terminal

Power detect terminal

Not used, connecied to power

I

supply

Remote control terminal

m

I

.0.. YA403W7A OIOIE

:0923

0527,928 N416!

0929 I.wdl

1, !

~ol

—40 —

. .. .
W

?., 1,””,,,,.

17MNS131UR

m“ lhm”c,~~

.,,-.. .” ,,m,”,.

@A12+7WA7A IWSIS30R

.

ii

A

1A

W4165 lolorE

I%$291TA ID1OW

..,.”. .....

IS3291TA Iolom
W65 OIOK

NA165

Inmw

..,.,.-,,> ....”-

VASL4SLERENS7M(S)

16SVZ4631615A Ww cwm

I

1

1A

i

I

SA-GX470

Ref.k

I

IVR5D2

VR511,512liiVJYAlFA5C15[TONECONT8UL

E-7

r---–——“

!L101 IELEsNR68MAICOIL

L101 ELESNIIUMACOIL
L103 ELEKTR47MA9COIL
L105.106 RLQZBB22H-DCOIL

IL151

L191
L191 ELEMR56MACOIL
L501,502 IMJ2P1MIK’-YICOIL
L601.602 1HMR73M

IL65L652 kLQYR73MkOIL I1s950

T701 ~PlP5EO14-W
T701
‘r701
T751
T751

Part h

I

lwJ02QF02G15IWE CONTRUL

Part Name&kscripticm Remarks

I

11-

COIL(S)-

(E.EB.G,GN)
(EG)

d

lSLhUBIOM-MICOIL
IELES,NR6PMAICOIL

ICOIL

\TRANSFOfMER(S)

FUMERTRA!!SFORMER(K41N)
RTP1P5E015-WPO#lRTR4NSFORMER(M41N)
RTP1P5E016-WFUWERTRANSFORMER(K41N)

[RTpl15EoD3-vIPOWERTRANSFORMER(SUB)
IRTPI15ED05-VlmR TRANSFORVER(SUB)

----it:: IEV132M05RI::FUC4

* = I

(E,M

(E,MiEG,GN)A

(G)A Ik966 IEVR21405RhlEMORY I

--II

WA

Ref.NaIPart No.

II

F1 XBA2C31T80FUSE250V3.15A (G)h
F2 XM2C16TB0FUSE250V1.6A

11s953

11S956 /EvQ21405RICENTERM3DE
I1s957 lEvQ21405RhLMERIc9
11S960

1 t 1 !

11S964

11

11S967

, ! ,

! I I
h8A2C163’BJlkIJSE250V1.6A

EVQ21405R

IEVQ214D5RINUMERIC6

hQ214D5R

EVQ21405RICD
EVQ21405R‘RJNER

INQ214D5R IREARLEVEL(+)

IEVQ21405RIPH3N0

I

/EVQ214D5Rh.JHNG

PartName&ascription

I

IFUSE(S)

[SWITCH(W)

\REAR L~vEL(-) 1

1 1

————

E---*-mlNATION(s)s)------iH%%:--R’’’TOR

Zlol
Zlol
Z102

IZ891

I I

CF201
CF202
CF901

lcF1051 IEFOEC80D4T4IFILTER

Xlol
xlo2

klo3

RLA6ZO05M-TCOMPONTNTCOMBINATION
RLA2ZO02M-TCOMPONTNTCOMBINATION
RL122006M-TCOMPONENTCOMBINATION-

IRcDfIc-27BNImm sENsoR

IFILTER(s)ANDCSCILL.4TOR(S)

I

IRLFFETNGDOILIFILTER

RLFFETMDOILFILTER

IEFoEc6004T4IFILTER

IRSXZ4561’M07HlmcILLAT0R(456KHz)
IRLFDGTIKIIIIIXCILLATTJR(10.65htHz)

hM~722-s ICLSCILLATOR(7.2MHZ)

[

DISPLAYTUBE(S)

(E,EB,G,GN)
(EG)

----=4

“-““----1

S972 EVQ21405RVCR1

—.

S973 FYQ21405RSP B

.—.

s!i74 EVQ21405R
S975 ‘- EVQ214B5RBAND

I

S976
S977

I

1S981

—

S978
S980 lNQ21405R 13STEREO

IS982 IEVQ21405RISURRUUND

I

S983 IEVQ214D5R
S984
S985 lEvQ21405R
S987

FMM30E

EVQ21405RDIRECT‘IUNING
EVQ214D5R‘RJNINGIWN

[EVQ214D5R[FOYER

]EVQ21405RISPA

kMERIc3

\NQ21405R MMRIC2

IK.MERIC1

FYQ21405R

IIUNINGUP

CONNECTOR(S)ANDSOCKET(S)

7 i

FL901

Z120

/RsLo172-F ]DISPLAYTUBE IICN1OL102 /RJU057WO07ISCJXET(7P)

i ]CN401,402hJU057WO071SXKET(7P)

FMFRJNTENDPACKASS’Y(S)

4

IENV1729DG1RIFMFsuNTEND

1

1 1

IICN501,502\RJUO03KOOPMlISJXKTT(8P)

IIcN601

_____i1cN751 kJS305-1 iCONNECii(3P)

I I !

18JLK157WO04kXXET(4P)

Remarks

I

l(E,EhEG,GN)A

(G)A

+-- --------

I

I

,

I

I

I

I

I

I

1
I(E>EB,EG,GN)

— 41–

SA”GX470

J

Ref.Ml Part k. Part NW&Description

CN751 SJS702-1
CN753-759IRJSMI101TIICONNECTOR(1P)
CN901-905[RJW03KOOM1lStICKET(8P)

1cP101,1o2lRJTo57kRo7-1IC43NNECTOR(7P)

cp401,402lrmo57woo7-1ICONNECTOR(7P)
CP501,502 kiJTO03KD08-1klJNNECTOR(8P)
CP601
CP701A
CP701B
CP901-905IRJI1303KO08-1ICONNECTOR(8P)

RJll157!$llo4-1CONNECTOR(4P)
RJT039W06T
BJT039WD6T

I

I I

JK101 IRJH4202M
JK351 IsJF3069-3NITVMONITORWVIDEO
JK401
JK402
JK403 ISJF3069N

lJMo4

JK406
JK601

IJK602 IRJIEI054

JKB03 lRJmlo54 IREARSPEAKERTERMINAL
JK604 lsJF5201R-I ICENTERSPEAKERTERMINAL
JK771 RJSIA7402-1FANb13TORTEFMINAL
JK791 SJS9236
JK791 SJSD16
JK793 SJS9231-lB ACINLET
HP601

E401 SNE1OO4-2
E501 Iisco350 GNDPLATE

IE601 lsNEloo4-2 IGNDPLATE

FC701,702 IEYF52BC
FC703,704 IEYF52BC

RL601-603Iiwoo13M-o REL4Y
Rl,751

1 1

IsJF3068-7NIPHONOTERMINAL
12JF3069N ICDIN/RECOUTTERMINAL

l~F306gN IVCR1~T~Rl INTERMINAL]
IRJJ33TRUIIREM3TECW’TROLOUTTERMINfi\

lRJf61054 IFRONTSPEAKER(A)TERMINAL

RJJ63TS01 t6MDPWlNESJACK

I I

I I

ITMD019-O WL4Y

CONNECTOR(7P)

CONNECTOR(6P)
COMECTOR(6P)

I I

lJAcK(s)

IANTTERMINAL

lpLAyINflcR2INTE6mAL

IFRONTSPEAKER(B)TEMINALI 13 RM90001 NIJ”r

ACINLET (E,E8,EG)A
ACINLET (GN)~

IGNDPLATE(S)

GNDPLATE

IFUSEH3LDER(S)

IFOSE~LDER
kWSEH3LDER

(G)

I

I

I

(G)A

I

I

I

I(G)

[A
1A

Remarks

Ref.No.IPart ti.

I

I I I

lRHD30035-Kl\SCREW

~4 IRIT13161E-EIIRF.ARpANEL

! 4 IRGRD161E-FIIREARPANEL

IRGBM61E-DIREARPANEL

~4 IBGMU61F-AIwui pANEL

i 4 IRGIK1161E-GIIREARPANIL

~5

! 5-1 hlKAO053-AlF~T

lMKJA~470pKlmM cMsIs N’ y

IRKCJJ089 IP.C.B.SUPPORT

Part N~e&Description

I

ICABINETANOCHASSIS

I

I I

I(E)
I(EB)

1(G)
I(GN)

I I

~7 IFMC0158 ITRANSISTORHOLDER

8 FMN0249-I FLIKILDER
~9 fituo990A-KFtMERBUTTON
I1O hiMU175-lKk!AS&TREBLE,8ALANCEKNOB

11 RHD26016 SCREW

12 RMU163A-KVULLMEKN08

12 RtXU145-lKVOLLMEMOB

14 RFKGAGK470EFRONTPANELASS’Y

14 RFKGAGX470GFRUNTPAMLMXY (G,GN)

14-1 /8Khi3318B-QITNspAMNTpLAm

15

16 XTBS26+8J SCREW

17 SNE2123 GNDTERMINAL

18 XTB3+20JFZSCREW

lRGw837c-KISELECTOR

BUiTON

(E,EhEG)
(G,GN)

(E,EB,EG)

i 19 IXTB3+8JFZISCREW

20

l~3+15T

ISCREW

~21 IRFKEUG75PP-KICONNECTORASS>y(12P)

~22 IRWJ180611OKKIFLATCABIE(6P)

ISHR9814 ICLWER

IXTIIS3+8T\SCREW
25 RMN0217 S082P.C.B.tK)LDER
26 REmo20-1 FANUNIT

126-1

26-2 SHE232-1 FAN
26-3 RMQ3209-KFANCASE
26-4 IPW208-K IFANCAP
26-5 ISUS271 IFANTERMINALBELAY(s)
26-6 FM@212-K FANTERMINALCAY :
27 12JS9231A IACINLETCOVER ](G)

29

1kRIN-4RB4MRCIM3TOR

IxTBs3+8JFZ1
\XTRS3+8JFZlISCREW \(G)

Isfmw

I I
I I

I I

t(E.EhEGW I

Rendcs

I

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— 42–