♦ Ю101 ® pin (FE1) (PLAY MODE)
• Ю103 • pin (RECK)

• Ю101 @ pin (TEI) (PLAY MODE)
MINI Hi-Fi COMPONENT SYSTEM
SONY
HCD-GR8/RX90
°fv
59.8 nsec
SCHEMATIC DIAGRAM -TUNER Section - (GR8:Tourist/RX90)
See page 82 for IC Block Diagrams.
1	|	2	|	3	|	4	|	5	|	6
WM
В
230 nsec
SENSOR board
MOTOR board
MOTOR (TURN) board
CONNECTOR board
BD board
AUDIO board
LEAF SWITCH board
MOTOR (SLIDE) board
• Waveforms
О IC21 ® pin (X OUT)
О IC41 ® pin VCO
2.2\isec
222 nsec
-45-
65
О)
Ch 7
9	|	10	|	11	|	12	|	13	|	14	|	15	|	16	|	17	|	18	|	19	|	20	|	21	|	22	|	23	|	24	|	25	|	26
(RX90 : EE. C t 5)
ПГЯ
(RX90: ЛЕР. G. UK. AEG)
Rl
л
11751
100»H
ЖЖ2И!
B+ SWITCH
Ql-Q*
FH IF AMP
01
2SC2715
1»H GR8:JE
4.7-H AX90
<0>
3.2)
[TCB BOARD!
FE? FM FRONT ENfl ~1
! i ±
RV42
FM TUNEfl
LEVEL
1RX90)
ММ2 I
15.
10MU).
p roduc-
л
fess unless otherwise
p гоduc-
Ги и и
? 9 9 ? Ф
:B~ Line.
(RX90:EE. CIS)
respect to ground

К

02 *
25C271S
lANTgNNAj
R7
330 c$
w-
01* '
MUN211
| T^°l
<0>
(3.2)
(RX90:AEP. G. UK.'AEG!
"“'j

}DH’




=!25C237I5
2SC2715


’ts.a
I


Flt-
CS 1
1
58V

Ш+]

RV4I
AM
TUNEfl
LEVEL
RX90:Eb CIS)
842
4I48M
<RX9Q:AEP. 0. UK. AEO1
155352
(RX90:E£. CIS)
CS3 10 50V
——
R48. *9
3-3K GP8:JE
IK RX90
I C*1
LA 1835
FM/AM
MPX
I0/S0V
(GRB: JE)
*.7/ 50V
(RX90)
88
33
гя-


R44
(GR8: JE)
(ЯХ90)
«5R8: JD
1Г
Hi9* i
|L-J
I 50V
11701
5.I9»H
CT 170b LI701
5UB CARRIER
PEAK
CTI701
0170*
IS5352
81703
1Н*14вМ
Q1703
MUN2211
SWITCH
QI70I
NUN2111
SWITCH
MAIN BOAHB
CN201
(Poge 63 }<RX90:AEP.& UK. AEfl)
H “I
!z_zj
СБНЩ
NOTE
•AH copoci tors ore in дЕ unless otherwise noted.рЕ:ддЕ
50WV or less ore noit indicated except for elect rolyt ics
ond tantalums.
• Al I resistors are iin Q ond 1/4W or
spec i f ied.
rinternol component.
] :poneI dessignotion.
Line. • |B — I
] :odjustmennt for repoi r.
Voltoges ond wovefoirms are de with
under no-signal (detiuned)conditions,
no mork:FM
(	):AMMWSW
<	>:LW
Abb rev i о t i on
JE :Tourist
G :Germon
AEfiD Northern Europeon
EEE :Eost Europeon
Voltages ore token with о VOM (Input impedance
Voltage variations raoy be noted due to normal
tion toleronces.
Waveforms are token with о oscilloscope.
Voltoge variations may be noted due to normal
tion toleronces.
Ci rcled numbers refer to wovefоrms.
Signal poth.
— 47
46
SCHEMATIC DIAGRAM - CD Section - • See page 82 for IC Block Diagrams.
1	|	2	|	3	|	4	|	5	| Б |	7	|	8	|	9	|	10	|	11	|	12	|	13	|	14	|	15	| 1Б |	17	|	18
KSS-213D
OPTICAL PICK UP
BLOCK
TRACKING
] [BD BOARD]
RI58 10
A3
FOCUS
L0 0RIVE
<«Ж0>
<*5ve>
CFC5+>
CNU101
1Ы»
----<5C0R>
^<5090>
FCS->
TRK*>-
ЛОГ) CIO?
2200»
И13113713И 35 1 34 1 33 1 32П1138125121127
: о
5.0
R1I4 150*
TP
~<XRST)
I SET
C 3 Z2
H126 3, 9*
9125 C124
CSP INOLE)
specified.
XRST
C1Z7
2200*
CAK>
Я190
100*
(lout
<AGHfl>
Voltages are taken with о VOMtlnput iapedonce 10MQ).
Voltage variations may be noted due Io normal produc-
tion toleronces.
ore cri t i co I tor safety.
Replace only with port
number specified.
Note
The components identi-
fied by mark A or dof-
MAIN
BOARS (1/2)
CN202
(Po g e 63)
Waveforms ore token with о oscilloscope
Circled numbers refer to waveforms.
Signal path.
:Cfl
4134
SPf)
У МЧГ.
CL*
LUCK
<LB>“
----
-<A>----
Чв>-----
"105%
RIM 45*
RIM 43*
O5V>
<vc>
SENS2
c. our
5ioi a.
(LIMIT)
MI02
(SLED)
4.8
4.8(4.21
^4XLAT>
<CL0K>
<♦«>
-<WUT)
I Cl O1|
1С10»
СХА1992АЯ
FOCUS/TRACKI NG
/5L.ES SERVO
RF AMP
0 (2.0
4.8 (4.7)
0 (4.7
vcc
.8
Rt28 ПО*
Ct20
10 u
XLMTSV?
R133 3.3*
A4
A2
A3
3.2
3.2
3.2
3.2
T4B
UT4A
T3B
T3A
c
OUT1
OUT1
OUT2
0UT2
MUTE( i
5.2 (3.6)
5-2 (2-9)
3.2
3.2
5.0
jy°p+
й°р-
5§opout
3§IN3A
4<56lN3B
77) INAA
2t)IN4E
2.4,
2.4.
IN2
IN2
INI
INI
BIAS IN
|TC102
BAKHIFP
FOCUS/TRACK1 NG
OR1VE
5PIN(ILE/5LEn
MOTOR DRIVE
NOTE
AH capacitors ore in if unless otherwise noted.pF:AAF
50WV or less ore not indicated except for electrolytics
ond tantalums.
Ail resistors are in Q ond 1/4W or less unless otherwise
!№жа




H
T
• IB Я :B+ Line.
•Voltoges and waveforms are de with respect to ground
under no-signol conditions.
no mo rk: STOP
(	) :PLAY
»	:Impossible to measure.
51
SCHEMATIC DIAGRAM - CD MOTOR Section - • See page 82 for IC Block Diagrams.
1	|	2	|	3	|	4	|	5	| Б |	7	{	8	|	9	|	10	|	11	|	12
sail
(SLtfiD
OPEN
El
E2
OGNO
E3
LOACIN
LOAOOUT
MONO
VCC
[SENSOR BOARD]
IC703
fl I SC SENSOR
IC702
TABLE SENSOR
Щ+]	1
as
[MOTOR (TURN) BOARD]
Г CONNECTOR]
[ BOARD J
i
INVERTER
VCC
TBLR
TBLL
MONO
Vflfl
TBLSENS
flGNfi
BISCSENSJ (pag0 63)
MAIN BOARS (1/2)
CN204
(Page63)
NOTE
•All capoci tors ore in aF unless otherwise noted.pF: AmF
50W or less ore not indicated except for electrolytics
and tontoluis.
•All resistors are in 0 and 1/4W or less unless otherwise
specified.
• IB +1 :B+ Line.
•Voltages and waveforis are de with respect to ground
under no-signo I conditions.
no mark: STOP
•Voltages ore taken with a VON (Input impedance lOMfl).
Voltage variations may be noted due to normal produc-
tion tolerances.
MAIN BOARS (t/2)
CN203
-55-
-56-
SCHEMATIC DIAGRAM - DECK Section - • See page 82 for IC Block Diagrams and page 67 for Printed Wiring Board (MAIN BOARD).
1 I 2 I 3	|	4	|	5	|	6	|	7	|	8	|	9	|	10	) и |	12	|	13	|	14	|	15	|	16	|
0ECK A
IC*)1 (I/Z)
*₽C*570C-l
HD
OECK В
05
CN602
HI
tCAPSTAW
0451
CAPSTAN MOTOR
CONTROL
RY651
TAPE SPEE0
NORMAL)
RVA52
TAPE SPEEB
MIGK


CAPN-
CAPH H/L
CAPH»
ТНВН»
TROH-
7. SV
APB-LCH
АРВ-ЯСН
___AOMfl
BPB_LCH
ВРЙ-ЯСН
-7.5V
RELAY
BIAS

V--BIAS
V»_BIAS
RECJCH
RECU-CH
VREF_HX
BIAS-HX
HEA0EARTH
MOTOR
BOARD

HR I MEW
(j)
-59-
-60-
стр £9
г
стр 69
•	voltages are de with respect to ground under no-signal
conditions.
no mark : REC (DECK B)
(	): PB (DECK B)
« » : PB (DECK A)
•	Voltages are taken with a VOM (Input impedance 10 MQ).
Voltage variations may be noted due to normal produc-
tion tolerances.
•	Signal path.
E> -PB(DECKA)
Е» : REC (DECK B)
D : PB (DECKB)
A
В
С
D
Е
F
G
H
I
J
К
L
M
N
0
P
Q
SCHEMATIC DIAGRAM
MAIN/POWER Section
See page 82 for IC Block Diagrams
21
20
13
tcyi o/2)
«21 ML
1C231 (2/2)
M52UAL
R40I
1
G
« 4t‘
JV№ MI4 IM
ГО+1
W
VF1
CJ94 0.1
US
ЧГ
XaTIaXalXI^bTTIIl
R144
101
INVERTER
|l C39l|
CO OPTICAL
DIGITAL OUT
"O
0-
•"O
o-
1^
Щ"
RI49
—
Kxgo:EE.cia Lz*2Z_____________-»J
(RX901AEP. G UK. AEB)
5
Я2М 471
C401
(GR81
"520 Я319
iff» 01
58.5'
!0«
IB4-|
JI Q1 (1/21
220*
R 45
JO (2/21
• Waveforms
• IC301 ®
R|44
5
4.4 Vp-p
Cl-PQW
•951
CDM-CL1
551
OE
5 MHz
"iff iw M
О IC301 @
Й 5 5 8
VVV\
3.1 Vp-p
Ж
R3DZ 01
32.768 kHz
Ж
Л$2
NOT USES
J
6
chassis
65
64
Ml
ШШН
R174
101
0913
I1E52
KAIN BOARD (2/2)
(Pog a62)
0202
25C278S
DBF В
QI 42. 142
RELAY WIVE
AS
1Л
li
5i
<REC-OUT t))
<REC-L>
I^Y
IDV
|lC904|
♦12V REG.
|lC90l|
POWER SUPPLY
H BOARD
CNUI02
(Poge52)
TCB BOARD
CN1
®R8: JE/RX90)
(Rog e46)
Q281
RELAY SWITCH
CONNECTOR BOARD
CN701
(Pc g a 56)
PANEL BOARD
CN601
(Page 73)
MOTOR (SLIDE) board
cnboi
(Poge56)
0905. 90b
SWITCH
St
3
C904
C90b
C954
4700 tOV
too lov
too iov
----ih
, .	. , 1031
•952	. k	. HM4I4BM
IN414W
— ' '	C№
-1	R?“	50V
r X 101
E
R322 4-71
ca-CLK
30
28
26
25
23
22
POWR AMP BOARD
CNBOt
(PogeSD
32
33
34
35
A
(DJ BOARD]
|IC4O1|
BJ EFFECT
CONTROLLER

C$2
J0V

CN4
10
DJ OUT
GNO
AU +5V
—ён|
nar|
~~jm
BUSY I
Ej
sol
IH
IM
IM
IM
IM
IM
IM
IM
IM
Ml
Ml
Ml
Al
Al
Al
Al
[MAIN BOARD] (1/2)
।ou out
I GW
AU +5v'
Inar
h5Y-----
ciw “ "
51_____
SO
S3
52
52
50
Гв+1

Q205. 509
SWITCHING
2«M
54?
ЛЛУрр!I C20lj
EQ/VOLUME



02 0 3
2SC27O5
FEED BACK
SWITCH
R217

f.’fc |
Ж
CHASSIS)


№

RI77
1001
GAIN CONTROL
----------------<V 18E0-LCN >
0102- 103
GAIN CONTROL
switch
----<свч«н>
---<ST-RCH>
	
IIC102I
FUNCTION SWITCH


"125
loo*
<VHEO-RCM>
f	f	i	f	।
Ф N -	т О Ю

29C2705
FEEO BACK
.. SWITCH
3®ЖФЖФГФО

FM/AM TUNER PACK IS SUPPLIOE
AS THE A55ENBLEB BLOCK
CN201
I5PM8‘EA4, TH AUS. El MX
15PEXCEPT GR8:EA4, TH AUS ZZ MX

rit-
C226
10
50V
0231
ON I FAN
MUTE
DRIVE
s

ГЕГ+1
E
-<r*-HUTE>-
-7ЯЖ
ж
MUTE
25C3423A
HUTE
ж
ГВ+1
54?

XC231
50V
0232
switch
ПГ+1
1294 6291 R201
G01 IN414IW 22t
W N VA
l|9J -’.1^2
DE

4Ш.
Я141
I1M
1M4IU
|iC281|
PROTECTOR
RELAY DRIVE

-и—

вЖ 0
switch
R2U
STANDBY
SWITCH

roTorololololorcj

ж

CN20I
FM/AM TUNER UNIT
(EXCEPT GR8;JE/RX90)
A-ONO

ё a
Г3^
2
*o
o-
mO
o-
•o
o-
-o
o-
-O
0~
O—
-o
5T-CLK
3T-8OUT
5T-DIN
ST-CE
ST»IOV
TUNEfl
STEREO
ST-L
a GW
ST-R
5T-NUTE
A£
AZ.
11
13.
21
ГВ+1
s
К
0
0
V X V
IC24I (1/2)
«21 ML

-----o
zfl
/ -4 o- -o---------1-
'r.m I MUI	I
12
E
ЯХ90 АЕР. a UK. AEffl
!Ze£- a	—T^brb'
~ ~~____T_ ~n~c~ ~ _2
iE2L!!$LJ“L
|»3| RD5-DATA
'	J _N_C 
j ^-2*3**>__[ Z’LL. 1
		0<
	9	
		0<
	rB4	S «OMOU	
	fl	0 (SI*
	fl	
	8	0 (5>4
		0
	91	°>	
		0 12.Э(2.5>4
	Л	S101 <0> t
	Д.	0<5>*
	9	0 C5> 151 4
	96	«О*	
	9	0 <S> 151 4
		0.
		RMI 100
		0.
		
to
to.
to
§
§
я
OUT-OPER
САР-Н/И
А-ТЯО
l-TRO
tw-lov
CAP-M-OM/OFF
EO-M/N
REC-MUTE
KR-OM/OFF
Я/Р-РАИ
TC-HUTE
A-PLAY-SV
•-PLAY-SV
RELAY
A-HALF
POWER

SV-F-CON
5TK- "
NUTF J f

2
S
3 У
3 2
i
? S E
к
I ? 3
2 » i
MSR-
1USY
MH-C
R33S
>00
R33I* 100
IB+]
E
0 B)
0 B)
R333 Ш
R332 100
М31. J 00

|IC241|
AMP
|lC30l|
MASTER CONTROL
*#iir
COM-«OUT
C0H-»)N
VOL-LAT
VS8
FUHC2
FUNCI
SW-ON/QFF
50-CLK
M-tATA-IN
AVSS
ВЕИО-МОв
AOJ2
R325 • !
4326 »2
X30Z
32.7ШКНГ
rimQoojaa,
ES Vll

Mill
JW320
Ш+]
EXCEPT ЯХ90 = АЕР, G UK. AE8)
C9^4:
Гв+1
ШЗ
RTIP137L
Q9C7
2SC2795
POWER SWITCH-

GR8 j EXCEPT GR8
4800 10V
220 IOV
220 10V
|IC9O2|
♦7V REG.

2®5
10V REG.
M52
ЩЯВ
tWf 1^2

Ж
-M—
FOCU5-SW
3CDR_________
5Q-DATA
M-CLK________
SENS_________
SENS!
CB-BATA
X-LAT________
CD-CLK_______
B*5V ЭМ
, 0 М>> T
B-GNO I
L-CH
A-GHO_______
R-CH ~T
AfSV SMI
X-RST C3M НИ 10V
M-GHO_______
M»7V MfSVl
ОШ ад
iov
CMS 1001
СЗ^^.2 SOV
4 RWS'iw
ОМ 2.2

RIM 331
R3M 53i

72
Ж
•302
1IES2
----W-----
•301^1E32
«523100
-e
0301
RESET
SWITCH
—
•305
101
3 2
B30A
1ГЯ
! ®2
RT???37L
5 (0)
A
0901. 902
CO POWER
switch
6 5 A 5 6 ° 6
|IC9O3|
♦SV REG.
мЖ

Ч9
S0V

J2-5.4S3C

гЖмо
-3QV REG.
R917
RX90; AEP. & UK. AEO____________
GR|:AU9_________________________
GRB;EZ JE- MX/RX90: EE. C1S
GRB;EA4. TH____________________
0RB:EA3. MY. SAF, ЕЗ. НК. 1A. 5P. TV
M0
4.71
6.8»
331
GR|:EA3, MY. 5AF. ЕЗ. НК. 1A SP. TV
GOB ; EA4, TH______________
GR8:JE_____________________
0R8;EZ MX__________________
GH|:AU5/RX90: AEP. & UK. AEO
RX90 EE. CIS
Cl«
2М1Ш
Ql9t. 192
FAN
ORIVE
FAN-
FAN*
-13.5
,яун . a 1^7
59
OS
-И.7ГЙ
5.11
•д. &v
0191
25A1175
2K1I&1
RELAY DRIVE
u^i’Alorf: ;:	г u/hj&ic : uJi’iSoi
-Й
-44
iSltla
ЮТдкЕУ
В
C
-ЯИ------
flfidk
*•	111’
-Ш-
1$





I I : panel designation.
Voltages and waveforms are de with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(	):CD
« » : REC (DECK B)
[	] : PB (DECK B)
{	}: PB (DECK A)
: Impossible to measure
Voltages are taken with a VOM (Input impedance 10 MQ).
Voltage variations may be noted due to normal produc-
tion tolerances.
*
D
E
F
G
H
2SCU23A
MUTE
J24I
tW WOOFER]
(CHASSIS)

AC2
AC2
AC2/3GNO
ACS
AC3
VF2
0
0
0
e
[TRANS BOARD]
POWER AMP
BOARS
CN802
(Радев I)
CT
0
0
e
&
&
0
0
CT
AC-MAIN
AC-MGHO
AC-MAIN
AC2
AC2
AC2/3-GHC
AC3_______
AC3_______
VF2_______
VFI
eif
Ar
A
T901
POWER
TRANSFORMER
220-24QV
♦ NOT REPLACEABLEiBUILT IN TRANSFORMER.
4^--оЛ
I JV902 I
A
AC IN
GA8: ЕАЗ. E2. ЕЗ. НК. I A. J^8' MX>
SP. MY. TW
BR8:NY. EA4, TH SAF. AUS/RX901
(EXCEPT GR8:MX)
I
J
К
A 551


Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Circled numbers refer to waveforms.
Signal path.
c> :FM
E> :PB(DECKA)
Е» : REC (DECK B)
вф> : CD
: DIGITAL OUT
c^>: VIDEO/MD
L
M
N
0
P
Q
66-
73
SCHEMATIC DIAGRAM - PANEL Section - • See page 82 for IC Block Diagrams.
2|3|4|5|6|7 J 8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25[
26
27
|	28	|
[PANEL BOARD]
74
• Waveform
О IC601 @
8 MHz
DE
№
0621-623
(CENTER)
0619. 620
(RIGHT)
0620	6619
5EL5223S SEL5223S
[DECO BOARD]
0624.625	----
(LEFT)
S3
as;
Q6l0. 61 1
LEO DRIVE
CN60S
5P
; :R706
’ • 100
Я7Ц
ISO-
Об и
2SA1175
0610
25*117S
CHA 02
[CD SW BOARD]
IPOWER
10I5G 31 too
0PEN/CL0SE
101 SC 11 oiSC SKIP
EX-CHANGE

O
oM
-о
~0
Os
—о
O”
O
0632. 633
> 00
0632
(PLAY)
R7?2 R7^5

IFF]
R718 R791
75 75


= ;
i
=:
FL 601
FLOUORESCENT INDICATOR
TUBE
cncncncncncnOOCOOOOOOcDOOcDOcScdZZZZZZZ
67
C608
lOOOl
in-rwN-oaiffls^in^KiN - о	о	cd	к	%o	in	«♦mev—o
cjcjX}MwmmmNM<sj<\jN<'4N<4C4C'<	—	—	—	—	-	uuuuu^ - — — —	ст co s
zzcncncncncncncncncncncncncncncncncncncncntnzzzzzcncncncncncncncn
IC602
-28.9
C606
I
50V
C607
1
50V
REMOTE CONTROL
RECEIVER
[HP/MIC BOARD]
-O-^g	J750
IPHONES
0630. 631
toe 31
□£+] (01 SC IN/PLAY)
5Е15923**Ч /
0633
(PAUSE) :	E W
[TC SW BOARD]
0628. 629
(OtSC IN/PLAY)
(01
0626. 627
leisc и
SC IN/PLAY)
ffiS
R
J
£
=	3MU®?23C
fe' ГитИН-
R I
R.
5ML%?23C
Гн7м]
9HL79423C
Гнтм±

{H-rM-l-
+Ж44Н
M+
3.9’
25*1175
0612-614. 616
LEO DRIVE
—		4 о CD	—- cn		ts in	—T r- -c	'75 J	5 74 J
		о		-Л	cn	CN
-28.9. 	Q			1^	i	1	5)(7
$ $ £ £ $ 3s <5
JW756
IC601
CONTROL LEO DRIVER
TW87Ih7?F -6543
4.9
-31.4
111
NO801
ck
ck
w
ck
w
ck
w
C603
47
10V
5602
IVOLUMEl
ю
A
ff)
ck
СЛ
50V
ck
Id
СЛ
ck ck ck ck
uj ty UJ UJ
cn tn S3 tn
ckckTTTTT i i i
FLUORESCENT INDICATOR TUBE DRIVER.
KEY
IC602
GPIU27XB
2.2
1.6
1.2
0.8
R615 10k
6650	R686 .	0637
IN4I48M 560k:: 47000k
5 5
50 V X
¥Л
ПГП
E3
ж
й
$
0601. 602
B+ SWITCH
C6S4
1000a
Q604-609. 623
LEO DRIVE
C646
820i
YA
R748
33»
R62I
1.5k
И
0655
IN4148M
га
-VA-
R693
1.5k
-VA-
ra
-AW-
0656
IN4148M
—Й—1
C64I tL
0.22 ±
50V T.
pzoq 0654
*7* ’N4148M
C644 J
°SO2V2 T
R688 R687
470k	47k
C647 +T
8653
1N4148M
M 
. R700
•:470k
0651	R690 . C640
IN4148M 560k-: |OOOOi
-rH - --------
. R692 R69I .
; :470k 47k j:
50V T . 1r
8652	R694
1N4I48M 560k
-H4----------
,R696 R695 umc
: :470k	47k :: 0.033
1
«^02
2531116



o-
ai O*
o-
гчО
o-
inO
O-
«О
o-
11
11
±2.
21
22.
IPAQ Bl
.82	-ZB.9^,
.83	-21.7^
.84	-19.2^
Л5. ..	-24.1
>86	-19.2^
.87	“21.6^
.88	-24.1
	-21.7^
<15		-29
		’26.5^
<12		-3I.4^J
<13		-19.2^
-94	-21.7^
 95	-19.2^
<li		-19. 2^j
<12		-21.7J
<11		-26.4<
<13		-31.4
.100	-31.4J
(8!
к
ffi
©
ck
I5EG-I^
ISEG-16
I SEO-17
'SEO-18
।SEG-19
1SEG-20
5EG-21
SEG-22
SEG-23
SEG-24
SEG-25
SEG-26
5EG-27
SEG-28
SEG-29
SEG-30
SEG-31
SEG-32
SEG-33
SEG-3^,
и
ck
\ И
-31.5
R606
10k
BEAT
ON/OFF

И Г BEAT
ON/OFF
5TERE0
MONO
TUN I NG
MODE
TUNER
MEMORY
(RX90;AEP. G. UK. AEG)
IKON STOP]
1-R680
'  100
Ж 3’7’
0608
29AI175
fiLEEPl l/ALL || PLAYiI REPEAT/
01SC5 || MODE 11COLBY NR1101 RECT I ON [SURROUND]
EDIT/
voo
VAREF
VA55
EW5 51GNAL/LE0I8
L + R
SPEANA-4
SPEANA-3
5PEANA-2
5PEANA-I
JOG-B
VOL-B
SIRC5
EWS STANDBY
KEY-5
KEY-4
KEY-3
KEY-2'
KEY-1।
MODEL।
VSSI
C602
IOOOOi
Is
y4
I-1
g*5
5?
__________43
R6J6_[0k 42
M6-
-Wr
R61Q-: :
inn : • J 
R61I 100
R624
M SPECTRAMl [dTSPLAY
/ОЕМО
U u I C6Z5
'1000k
R6I9
*7:
1* 5	36_1
1* 5	.35,
5	. .3.4^
5	-Ж
C653Z
R6I4
15к
L60I
10kH
ZTT'-
100k
Я613
680
: c«9
I 10V
HT
—j-
C636
1
-..3 50V
. Joo»
~lhT
—J-
“0
Ш1 ™
2200»
VT
л n*5 j

C7511
1 (CHASSIS)
R757: :
100 *:
Ю
A+7V
A+7V
R7S5
10k
iW-
oi О
O“
-o
MAIN BOARD
(1/2)
CN1 02
(P □ Q e 64)
076^00»
№
czsoi 1 C7!H
юоОкТ T i oooi
A-7V
MIC-IN
A-GND
IC750
MIC AHP
Qtn
HP-R
C779
22000k
A-7V
-O
-o^
Ю
ю=
О
-О
-O-
CN60’
I7P
-O
O-
«754
C7
-o
О in
C762
?0V
V75I
50k
IC 750 (1/2)
C759 H52I8AP
0.47 „
50V 0
41
O-GND
O+SV
MIC-OUT
A+7V
VF
RESET
DATA
CLOCK
HP-R
HP-GNO
HP-L
-------QKl
A-GNO
RY-SW
SPEANA
VP
VF
sO
o-
mO
O-

юО
O-
CN750
9P
HP-R
HP-GNO
HP-L
A-GNO
RY-SW
A-7V
MIC-OUT
A-GNfl

C755
R75I 2.2
Ik 50V
w—±4е
| IMIX MIC']


10 50V
C780
2.2 50V
R767

(GR8:EA3I
HP-GNO
Hp-t-
A-GNO
RY-SW
C77!
47
10V
IECHO level]
-o
0O
-ЛПП-
1LO^
IC751
DIGITAL
ECHO
M^eloP
7AM
C777
0.15'
0751 0752 0753
11E3211E3211ES2
—H—H—H-
<A.GN0>
C769
:o. 22
50V
C765
l/50Vrr
C766
±6BO0k
CLOCK
TIMER
SET
TIMER
SELECT
R6^5 R6|4
--VA-f—
Hi Кз Кз Ki Ks Ki KyKi Hi
Я644	R643
Uy
Шз0Г1еГГ
SPEED
ANALYZER
R642
R64t R64Q
R639
ле.
R638
-e.
R637	-----;
"MU1
’ beat””[level >1 [wave] lnon stqpi
SELECT	[
] {ENTEB/NEXT] Low frequency]
[autq BPMl Ihiqh frequency]
TUNER/ Il KARAOKE ||TfFECT ИМ? KJ [MOVIEJ [GAME] |P.-FILE] [MEMORY] [GROOVE]
BAND
PON/MPX
ON/OFF
HLMF4?I&5»2UL
ORANGE
SONIC
FORMATION
IPAQ Aj
^9Rl?eHLRfS,2URa s
0611. 612
(auto bpm|
lENTER/NEXT]
5
R677
220
К

R674
220
0605
5EL5223S REfl
SONIC
FORMAT I ON
EFFECT
ON/OFF
R670;:
120 =’
3.8

23A12|^5

2S*A1°I^5
-72-
TUNER
BANG
$
1Й
[GROOVE]
3
25°Ж
.25°*^
GE
mj
0601
2SB1II6
R663
I Ok
5
4.6
5*й
R667
220

ж
switch

75
73-
76
Note on Schematic Diagram:
e All capacitors are in pF unless otherwise noted. pF: ppF
50 WV or less are not indicated except for electrolytics and
tantalums.
•	All resistors are in Q and 7* W or less unless otherwise
specified.
•	Д : internal component.
•	IB + | : B+ Line.
•	ГВ^П : В- Line.
•	I I : panel designation.
•	Voltages and waveforms are de with respect to ground un-
der no-signal (detuned) conditions.
no mark :FM
*	: Impossible to measure
•	Voltages are taken with a VOM (Input impedance 10 MQ).
Voltage variations may be noted due to normal production
tolerances.
•	Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
•	Circled numbers refer to waveforms.
•	Abbreviation
AED : Northern European model
EA3 : Saudi Arabia model
EE	: East European model
G	: German model
SCHEMATIC DIAGRAM - POWER AMP Section -
5	|	6	|	7	|	8	|	9	|	10	|	11	|	12
[POWER AMP BOARD]
G
R8II
Ik
05
Q8QJ
2SCI84I
OVER LOAD
DET
R809 .
10 =:
1/2W
C8II
3.068
C86’
0.068
0851
2SC184I
OVER LOAD
DET
C86Z
O.068T
R859 .
Ю :
I/2V
-AM-
8841
IN4148M
8842
IN4I48M
C^)2
AC-MAIN r-
ac-mgno 1;
AC-MAIN F

TRANS BOARD
CN902
(Page65)
Note on Schematic Diagram:
•	All capacitors are in pF unless otherwise noted. pF: ppF
50 WV or less are not indicated except for electrolytics and
tantalums.
•	All resistors are in Q and ’A W or less unless otherwise
specified.
•	: nonflammable resistor.
•	: fusible resistor.
H
MAIN BOARD
CN101
(Pa g 865)
Note: The components identified by mark A or dotted line
with mark A are critical for safety.
Replace only with part number specified.
•	IВ + I : B+ Line.
•	I В ~ 1 : B- Line.
•	Voltages are de with respect to ground under no-signal
(detuned) conditions.
no mark :FM
•	Voltages are taken with a VOM (Input impedance 10 MQ).
Voltage variations may be noted due to normal produc-
tion tolerances.
•	Signal path.
: FM
-80-