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RN-190
RN-190
=
Numbering System of Resistor
p
:
P
Example:
a
SCHEMATIC
DIAGRAM
(x mark...Printed Resistor)
By 2
Type
Wattage
Shape
Tolerance
Value
St-{
Sr
Ql
Q2,3
S{-3
IC |
ERU
6G
C
J
2R2
BUILT- IN
as
==
(2SC 24 I2 KLN Ss }
( 2SC24
l2 K $s )
po
( B A 5 15 )
Type
Wattage
Snape
Tolerance
Value
Mic
pr] cl Re
p
R
EQ
AMP
AMP _, AGC
D
Q
POWER
AMP
C15
C7
=
%RO 1K
KRIG 820
V
CREED
63V22
4V470
x
_———
pa:
R
ne
eee
2
Jd
Carbon Resistor
t
C—O)
: Solid Resistor
x
a
3
EXT MONITOR
Incombustible
o
v
BOQ
Box-Shaped
Wire-Wound
i
Resistor
: Metal Oxide-Film
O)
PM
DYNAM IC
Resistor
| SL
SPEAKER
: Wire-Wound
Ayn
Resistor
y
386m (1 Y 3.2
: Superstabie
a.
Metal Film
D>
Resistor
a
Metal-Film
oe
Resistor
{
<)
Chip Resistor
OES
J3
|
20
.
Capacity are in microtarads (uF) unless specified
EXT
3
2
l
otherwise, P=Pico-tarads.
MIC
@
re
% Resistance are in ohms (Q), unless specified
HEAD
~
Numbering System of Capacitor
Example:
4
ECKD
1H
102
2
F
=
Type
Voltage
Value
Tolerance
Peculiarity
RECORD/
|
=
ee .
.
(1000 pF)
PLAY HEAD
|
oy
CEA 50
MRA
A
i)
05.10
Type
Voltage
Peculiarity
aan
an
'
|
AT
—- ©] |
He
| _ kes 10K
23
SC2412KS )
VAS
AMP
Ceramic Capacitor
(ECCD, ECKD Type)
K
: +10%
®
(Chitacon)
1H
:S500VO0C
2H
:
M
: +20%
L)
ee
aA
~
'
:
Ceramic Capacitor
(ECFD Type)
Zz
©
Ni
3
(Chitabari)
C
:12VDC.
OD
(AN661/2S)
pas
N
ne
lA
Semiconductor
E
:S50vV DC
J
MOTOR
CONTROL
ay
S
Sp
32
Ceramic Capacitor
(ECQ Type)
G
=
cx
x
®
DC IN
:
Electrolytic Capacitor
|}05
: 50WVDC
1
F
IC 2
:
Sse
Q 7 5
:
Tantalum Fixed
(ECE, ECS Type)
C
Qil
R28
ad
One Sas
Electrolytic Capacitor |0G : 4V
OJ
D
MOTOR
"]
O77
Polystyrenc Film
1A: 10V
F
(2SBIIZ2R)
|
0
Capacitor
iE:
A MOTOR
DRIVE
|
D2
:
Polystyrene Film
1H:
|
Capacitor
2A
:
lo
( RVDSLC22DU
29 )
Polypropyiene Fiim
'
ke
REC/BATT
IND
Capacitor
2
196
T.F Capacitor
we
|
Chip Capacitor
cy
D3
Cylindrical Ceramic
Capacitor
(RVOSLPI78BF
)
S.L.E
IND.
(RVTFMWS )
(DTCI43)
i
VAS
AMP
LED
SWITCHING
CAPACITORS
C 1,5, 10, 22,24 ECUX1E104ZF
C2
ECEA1HKSOR1
_
2
=
=
-
| Ref. No.
No. | PartNo. |
No.
| Part Name & Description _|
Name & Description
C 3, 8, 16
ECEA0JKS220
NOTES:
C 4, 11, 19
RCUX1H822MD
4. $1-1~$14 ....... Record/Playback switch in "PLAYBACK" position.
12. Battery current: Recording MOde............... cece 400 mA (2.4cmis)
D2
_DIODES
& RECTIFIERS _
;
SeaeeL
(P... PLAYBACK, R... RECORD)
97mA (1.2cm/s)
oi
sD
Production parts number
D1
RVD1SS133
_— Diode (A.G.C)
C 12, 28
ECEA0GK470
I) RR eee Tape speed selector in "2.4cm/s" position.
Playback mode
[SM 112} ——————— Supply parts number
D2
RVDSLC22DU29 LED (REC/BATT IND.)
C13
RCUX1H471KB
((1)...2.4cem/s, (3)... 1.2¢m/s)
[|
24ems | t2emis_|
¢ The supply part number is described alone in the replacement parts.
D3
RVDSLP178BF
LED (S.L.E IND.)
C14
ECEA1CKS100
ak
ener
ee Playback switch "OFF" position.
ewer
ee
|
C15
ECEAQJK220
A, SB sceoaeectnaseniins Fast forward/Rewind switch in "OFF" position.
VR: MIN
¢ This schematic diagram may be modified at any time with
_VARIABLE
RESISTORS _
§. $5-1, $5-2......... PAUSE/VAS Switch in "OFF" position.
the developement
of
technol
5
SeeAraner:
(P ... PAUSE LOCK, 0... OFF, V... VAS ON}
VR: MAX | 130mA
| 130mA_ |
p
of new technology.
VR1
_ EVLFBAAOOA14 Volume/VAS Contro! VR.
C18
ECEAOGKS221
oat
nea
cae
¥
:
:
:
VR2
QVNB3A00B332
Tape Speed (2.4cm/s)
C 20
RCUX1H152MD
6. 6-1, $6-2: ......S.L.E Switch in "OFF" position.
Ege elaiee are in ohms (Q), 1/8 watt unless specified otherwise.
Adjustment VR.
C 21, 23
RCUX1E103MD
(1... OFF, 3...ON)
K=1,0002,
7
VR3
QVNB3A00B472 Tape Speed (1.2cm/s)
C 25
ECUX1E473MD
VR1
Vol
oni
¢
Capacity are in microfarads (uF) untess specified otherwise.
REPLACEMENT
PARTS
LIST
Adjustment VR.
C 26
RCUX1H102MD
Ty A sein
Ee
P=Pico-farads.
C 27
RCUX1H183M0
B, VRQ... ncsssecsessees Tape speed adjustment VR (for 1.2cm/s).
° Described in the schematic diagram are two types of numbers; the supply
| RefNo. | PartNo.
Part Name & Description
SWITCHES
C 51
ECEA1HKS010
9. VRB ...........--Tape speed adjustment VR (for 2.4cm/s).
parts number and production parts number for transistors and diodes.
NREGHATEDICINGE
;
.
| |
C52
ECUX1C474ZF
10. DC voltage measurement are taken with electronic voltmeter from negative
One type of number is used: for supply parts number and production parts
ITS
S1
RSS2F07YA-Q
Slide Switch, Record/
terminal of battery.
number when they are identical
Playback
RESISTORS
No mark... Playback position, (__)... Recording position,
nee
ny
i
BASIS
IC (PRE, POWER AMP, S.L.E | S2
QSS1234
Slide Switch, Tape Speed
|
|
Z
> ... Recording Position (VAS ON)
¢
Described in the schematic diagram are two types of numbers; the supply
CONTROL)
$3.4
QSB0256
Leaf Switch, POWER,
ERDS2TJ224
ro
Hac bidina Postion (VAS OFF)
parts number and production parts number for transistors and diodes.
IC 2
AN6612S
IC (MOTOR CONTROL)
CUE/FE
ERDS2TJ4R7
eee
9
One type of number is used for supply parts number and production parts
|
S5
RSS3B27Z
Slide Switch,
- ERDS2TJ395
C
)......FF/REW
TRANSISTORS
-
" YASIOFF/PAUSE
RRSA05J123TH
number when they are identical.
PR
Sad Dalat tana Brac Ds heal
(. ))....S.L.E ON
:
> »
7
S6
ESD10108
Slide Switch, S.L.E
RRSA39JR60
l
]]..--..S.L.E. OFF
e.g.
Q1
Q 1
2SC2412KLNS
Transistor (EQ AMP)
' ERDS2TJ3R3
eee
ee
2SC2021LNF(R,S) — Production parts number
Q2,10
28C2412KS
Transistor (AMP)
JACKS
tal
aoe
or 2SD636H(R,S)
Q3,5
28C2412KS _ Transistor (VAS AMP, AGC)
ae
_CHIP JUMPERS |
E>:
Playback signal line.
[2S¢2021 LNFI
Sic
paris Wambet
Q 8, 12
DTC143
Transistor (SWITCHING)
J1
QJA0199
Jack, Monitor
cx
: Recording signal jine.
Pply p
Q 11
2SB1132R
Transistor (Motor Drive)
J2
RJJB2Z
Jack, DC IN
RJ 2,3
RRD18XK000
Q 46,79
RVTFMW5
Transistor (VAS AMP)
J3
RJJC3M2Z
Jack, MIC
RJ 4
ERJ6GCJ000
ape:
+)B Line
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