Kenwood KR-5030 User manual

KENWOOD
H!I/F! STEREO COMPONENTS
SERVICE MANUA
KR-5030
(KR-5330)
AM-FM STEREO RECEIVER

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t- ”
be *
CONTENTS
EXTERNAL
VIEWS
os
torites
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atuaseetes
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Oars
3
INTERNAL
VIEW
veya
eoatindoumeen
ieee
paca
Se
4
DIAL
CORD
STRINGING
i.
245-144
iacw
eu
seeeeeaedis
4
DISASSEMBLY
FOR
REPAIR
.........0
000s
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ees
5
BLOCK
AND
LEVEL
DIAGRAM
........-.
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6
CIRCUIT
DESCRIPTION:
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6
DESTINATIONS’
PARTS
LIST.
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ROIUSTMENT
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PC.BOARD
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sides
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SCHEMATIC
DIAGRAM
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15
SPECIFICATIONS
420.
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16
KR-5330 has the black panel
and the cabinet.
The unit for PX has the cabinet.
* Note: °°: un j re he ne : '
/The’ products are subject to. modification’'ia components. and ‘circuits in,
“different countries and regions. This is because-each product.must be:used 3.::
» “under the best condition: This manual provides information of modification |.
..based onthe standard in. the U.S,, for: the convenience ‘ofordering
associated components and parts... | ae’ ogee gO
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M

EXTERNAL VIEW
Meter (pair) Dial calibrations Dial pointer Knob
(B31-0262-05) (B20-0412-05) {B21-0017-04) (K21-0342-04)
Panel ass’y *
88» 90 + 92 * 94 © 96 ' 98 *
80 uo no + AOD
Knob Ring
(K23-0280-04) (B07-0225-04)
Phone jack Ring Knob
(€11-0060-15) (B07-0224-04) (K27-0059-14)
AM bar antenna Phono jack AC outlet * Speaker terminal
(T390-0083-05) (€13-0415-05) : (E20-0811-05)
Terminal board Sg 2 slide switch * *
(€29-0088-05) {S$31-2048-05) Power cord Foot
* , 5
Refer to Destinations’ Parts Lis.

INTERNAL
VIEW/DIAL
CORD
STRINGING
Fuse Electrotytic AM bar
section capacitor ‘antenna
(C90-0363-05) (T90-0083-05)
Power EQ amp
supply section FM front end
section
Variable
capacitor
(C01-0185-05)
Power * :
transformer Diai pultey
SS (D15-0171-13)
ie: .
> an
ogy section
FM audio
amp section
Muting
Protection section
section MPX section
Meter
{831-0262-05)
Pilot lamp FEM-IF Rotary switch
(B30-0143-05)
section
Sg
1
(SO1-3023-05)
*
Refer
to
Destinations’
Parts
List.
DIAL CORD STRINGING
Dial pultey
(D15-0171-13)
j. Fully ctose the variable capacitor.
2. Fix the dial pulley to the shaft of the
variable capacitor using 2 screws as
shown. gt
3,
Tie the
dial
cord
to
the
dial
spring
leav-
=
ing a 10 cm length part of it. ae
4 Hook the dial spring on the boss, and
wind it half turn counterclock wise around Variable capacitor
(CO1-0185-05)
the dial pulley.
5. Dress the dial cord in the direction of
eeqee were Dial shaft ass‘y
ROY (D20-0136-04)
6. Wind the diat cord 2 turns around the
dial shaft starting from its upper side,
~ eae Se Small pull
then dress it in the direction of 3" to lia nage
(015-0170-14)
diggs
oO.
7. Tie the end of it tightly with remaining ak
a 100m dial cord. Smalt pulley |
8. Remove the dial spring from the boss. (D15-0172-04) ©
Mount the dial pointer as shown in the eee oral Ga
15- 14
illustration,
Dial pointer
(B21-0017-04)

a
ary aa
DISASSEMBLY F
POWER SUPPLY :
Electrolytic
capacitor 4
When removing the filter capacito
unsolder the lug of that.
Power supply q
PC board ass’y {
Etectrolytic
capacitor
Power supply
PC board ass’y
Capacitor mounting
clamp
When removing the power sup-
ply PC board ass‘y, remove the
four screws fixing electrolytic
capacitor mounting clamp.
Pilot lamp PC
board ass’y
@ Pilot lamp PC
Hi .
y board ass’y
Reflector Ve
Sips
PANEL ASS’Y
When removing the panel ass’y, pull knobs from each shaft
and remove nuts on the panel ass’'y. When removing tuner
PC board ass'y, remove the right boss @ and the screw(1),
When removing power
amp PC board ass’y,
remove the left boss !
screws (2). 2
Panel ass’y
When removing the pilot lamp
PC board ass‘'y, pull the hook
of reflector toward the arrow
direction and turn the PC board.
(K23.0280-04) ® O) “=
f
\
Knob | eo
(K21-0342-04) 0
REAR
PANEL
ASS’Y
TUNER
PC
BOAR
When
r
When
removing
the
rear
panel,
remove
the
screws
raméve
fixing
.the
rear
panel
to
chassis
“—
phono
jack
variable
terminal.
fixing
F
Note:
Should
not remove
the
star-
marked
screws
(
*
),
Terminal board
(€29-0088-05)
esses
Rear panel
~~

in
nee
ae
v
Caution:
SSEMBLY
FOR
RE
PAIR
pals
or
checking
the
internal
parts,
should
not
touch
the
heat
sink
by
reason
that
it
has
the
dual
power
voltage
during
POWER
TRANSISTOR
BLOCK
operation
of
amplifier.
\oving the filter capacitor,
the lug of that.
When removing the cover for pre-
Cover
for
preventing
venting
electric
shock,
remove
the
electric
shock.
star-marked
screws
(*)
in
the
figure.
When removing the power tran-
sistor
block,
first,
remove
the
vari-
stor from varistor mounting hard-
ware on the heat sink, next, re-
move
the
four
screws
fixing
the
heat sink mounting acry! board.
oe 8 (8r-Tap)
2
\
M3X8 (Br-Tap)
(N87-3008-46)
Heat sink mounting
acry! board.
Varistor | transistor
Soldering iron
POWER
AMP
PC
BOARD
ASS'Y
METER
Power amp PC
board ass'y
M3X8 (8r-Tap)
es
M3X8 (Br-Tap)
M3X8
au
panel
(Br-Tap)
-
(B31-0262-05)
When removing the power amp PC board ass’y,
remove the panel ass'y and the power transistor
block, and then remove the screw fixing the PC
board ass'y.
When repairing thre meter,
should remove the cover on
the heat sink. The meter
ass’y is mounted by 2 screws.
TUNER
PC
BOARD
ASS'Y
DIAL
CALIBRATIONS’
PILOT
LAMP
When removing the tuner PC board ass’y,
remove
the
dial
pulley
from
the
shaft
of
variable
capacitor
and
screw
and
push
rivet
fixing PC board ass'y.
Dial board ass’y ? :
When remeing the pilot
Jamp for dal calibrations,
loosen the srewv fixing the
dial board iss’ y and take
out the lamp window from
dial board ss'w. Next ex-
tend the lanp window tabs
and separat the pilot lamp
from the lang window.
When replaing the dial cali-
brations, rmove the dial
board ass'y and the lamp
window. Next pull out the
dial calibraiorws from dial
? Tuner PC board ass’y
y '
M3X8 (Br-Tap)
(NO9-0287-05)
Lamp window
Lamp
mounting
$ : :
board
ass‘ytowward
right
or
board
Dial
calibrations
left.
Chassis
Dial
pulley

BLOCK
AND
LEVEL
DIAGRAM
IF
L95 CFg1 Qg4
a
Ll
a,
ICg3
#2
/
/
Qg3
/
/
[ees
|
BAR
ANT
tg11
CFg4
Sg1
Sg1
PROTECTION
CIRCUIT
from TUNER
BALANCE
AUDIO
S03
$94
S95
VRg3
VRm3
Sm2
(X09-1240-10)
PROTECTION
SPEAKERS
100K
200K
SUBSONIC
al
AUX
Cc
VOLUME
Sgi: SELECTOR
‘
-
f:
1
kHz
Letav@
S92:
DE-EMPHASIS
S93:
8
MONITOR
odB=1V
Sg4:
A
MONITOR
Sg5:
LOUDNESS

CIRCUIT DESCRIPTION
omii ©
o
+Vee \
vi)
pms ©)
switch to be ON.
To output
terminal
~Vec
Overtoad
a
{output
short-circuited.)
Fig. 1
Fig.
1
shows
a
protection
circuit
used
in
the
KR-5030.
This
circuit
operates
for
ASO,
DC
detection,
and
preven-
tion
of
shock
noise
generated
during
ON-OFF
operation
of
the
POWER
switch.
POWER-ON
When
the
POWER
switch
is
turned
on,
charging
current
flows
into
Cm34
by
the
effect
of
+Vcc.
Since
Qm23
does
not
turn
on
unless
Cm34
is
completely
charged
and
the
base
potential
exceeds
0.6
volt,
time
constant
of
Cm34
and
Rm75
is
made
to
be
more
than
the
time
necessary
for
cir-
cuit
stabilization.
Thus
shock
noise
cannot
appear
at
the
output
circuit.
POWER-OFF
When the POWER switch is turned off, voltage at point B
quickly
lowers
to
O
voit
and
the
base
potential
of
Qm23
is
reduced to turn off Qm23 itself. This causes the relay to
release and generation of shock noise is prevented. While
the
power
supply
circuit
is
live,
potential
at
point
C
is
higher
than
that
at
point
B.
Namely,
Dm11
is
reverse
bias.
How-
ever, when the POWER switch is turned off, potential at
point C immediately tends to lower to O volt due to dis-
charge
through
Rm80.
On
the
other
hand
Cm34
has
a
large
static
capacity
and
it
is
in
the
same
power
supply
system as for the power amplifier. Therefore if there is no
circuit of Omi1, etc., discharge time of Cm34 becomes
longer and the relay cannot release immediately. Thus
shock noise is generated.
AC
Reverse bias when power
ASO
When the output terminals are short-circuited, overcurrent
flows into power transistors and ASO detection transistor
Qm19 is turned on. The Qm19 turned on jowers base
potential E of Qm22 which is thereby turned on. The
Qm22 turned on causes Qm21 to turn on and it lowers
potential at point B, thus turning off Qm23. This makes
the relay released and the overload is reduced.
DC DETECTION
The relay is released when DC voltage appears at the out-
put terminals. Thus the loadspeaker system can be protect-
ed.
When
positive
(+)
potential
is
generated
at
the
output
terminals,
Qm21
is
turned
on
to
lower
potential
at
point
B
and
the
relay
is
released.
When
negative
(—)
potential
appears
at
the
output
terminals,
Qm24
is
turned
on
and
—Vcc
is
applied
to
the
base
potential
of
Qm23.
This
causes
Qm23 to turn off and the relay to be released.
AM-MUTING
+Vcc
Retay
AM signal tine
Signal short-
circuited to GND,
+Vec
-Vcc
Og8 C977
(When selector is set
to FM position.)
Fig. 2
Transistor Qg13 composes an AM mutingcircuit. When
the SELECTOR switch is set in the FM (aid also MONO)
position, +Vcc is applied. to the anode of Og8. Then voit-
age is applied to the base of Qg13 to turnit on. The AM
signal is transferred to the GND circuit and the tuner out-
put cannot be fed to the preamplifier. !n te AAM position,
voltage
to
the
base
is
applied
from
the
~-Vce¢
and
Qg13
is turned off. The signal is then fed to tle preamplifier.
When the POWER switch is turned off whilehe SELECTOR
switch is in the AM position, there may bea si gnal leakage
if a good timing with the relay function s rot secured.
To avoid leakage the AM signal is transferred to the ground
Circuit simultaneously when the POWER witch is turned
off. When the POWER switch is off, the rely criving trans-
istor Qm23 is also off and the coltector pcen tial is raised
as a result. This potential is applied to tte b.ase of Qg13
through
Ry75,
and
the
AM
signal
is
ledto
the
ground
circuit as described previously.

CIRCUIT DESCRIPTION
O93 FM signal tine
> To L.P.F. (a
+Vce
;
Qq7
or
8
Circuit for monophonic FM recep-
(\y’
tion,
when
the
selector
switch
to
Qgt2 mono position.
K) [ pe de ano eee
Qg11
|
ad
|
igh : | CJ LPF in ICg3
C7) 0a4 |
Qg9 Q) Le poe eae 7 | &
| $91-3r
— a Fae ee es Se
Ne poe | DMO ns To Qm21 |
lect
OV
(TUNE)
FM
front
ee
ee
ts
ES
pines
eer
0.8V
(DE
TUNE)
|
end and
Og6
/\
+Vec
| {Cg3. |
| MPX circuit works as monophonic
Qg10 is decided to | FM reception when power switch
operation of L.P.F. Hh nee | turning off.
+Vcc | ‘ |
| Cgso%7 Dg7/A iG
nomen |
L__—
Oelay circuit works when the Selector
Switch turning from
tion.
Fig. 3
Fig. 3 shows an FM muting circuit, which is controlled by
No. 12 terminal voltage of IC HA1137W for IF. Voltage at
No. 12 terminal is 0 volt during tuning and 0.8 volt during
detuning.
TUNING
QgQ is turned off during tuning and Qg10 and Qgi1 are
turned on at that time. When Qg10 is turned on, Dg3 is
reverse bias and ICg3 works as stereo operation. Since
Qg11 is turned on, Qg12 is also turned on to make Qg7 and
Qg8 turn on. Thus the FM signal can be fed to the preampli-
fier.
DETUNING
QgQ is turned on during detuning and both Qg10 and Qg11
are turned off at that time. When Qg10 is turned off, Og3
is forward bias and the ICg3 does not work as stereo opera-
tion. Since Qg11 is turned off, Qgi2 and also Qg7 and
Qg8 are turned off and the signal cannot be fed to the
preamplifier.
other to FM posi-
MONO operation takes place in the FM-MONO position
since the 19 kHz pilot signal is forcedly led to the grounded
circuit.
DELAY CIRCUIT
Switching over from AM to FM makes +Vcc pass through
Dg5 and power is supplied to the FM front-end circuit.
Since charging current flows into Cg79 at that time, Qq 2
is turned off. When Cg79 has been charged up completely ,
Qg12 is controlled by collector voltage of Qg11 and swith
$g1-3r.
Capacitor Cg79 which has been charged up during FM mole
then discharges and the delay circuit waits for switching
over from AM to FM again.
When the POWER switch is turned off during FM steno
reception, it takes much time until the relevant circit
stops functioning completely. This may make the IM
stereo lamp left unlit even after the POWER switch tas
been turned off. Therefore, this lamp is unlit by the fored
MONO circuit.

DESTINATIONS’
PARTS
LIST
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1OqQWAS
eo

TOTAL
VO3-2261-10
Vv01-0981-10
V03-2261-10
v01-0981-10
A30-0133-05
801-0114-03
BO7-0224-04
807-0225-04
B08-3013-05
B20-0412-05
B21-0017-04
830-0137-05
830-0143-05
83 1-0262-05
B41-0230-04
B42-0009-04
842-0473-24
015-0170-14
015-0171-13
015-0172-04
D19-0050-14
020-0136-04
032-0084-04
E02-0202-05
€13-0415-05
E20-0811-05
GO1-0045-24
GO1-0312-04
H25-0078-00
J19-0306-05
J19-0507-05
J21-1676-04
J6 1-0045-15
4J90-0086-03
K21-0342-04
K23-0280-04
K27-0059-14
NOQ9-0293-05
N 10-2090-46
N 14-0115-05
T90-0083-05
T90-0202-05
t : New parts
rene [ rome |
SEMICONDUCTOR |
28C2261(0), (Y)
28A981(0}, (Y)
2$C2261(O), (Y)
2SA981(0), (Y)
Transistor
Transistor
Transistor
Transistor
MISCELLANEOUS
Back board
Dial escutcheon
Pushbutton ring (single)
Pushbutton ring (triple)
Indication board
Dial calibrations
Dial pointer
Lamp X 2 (8V, 200mA)}
Lamp (200mA, METER)
Meter
Caution sticker X 2
Passed sticker
Serial number seat
Small pulley X 3
Olal pulley
Small pulley X 2
Pushbutton stopper board X 4
Dial shaft
Switch stopper (DE-EMPHASIS)
Transistor socket X 4
Phono jack (4P)
SP terminal (8P)
Dial spring
Spring X 4
(pulley)
Bag for instruction manual
Wire holder
Antenna holder
Heat sink mounting resin
Combex X 12
Dial pointer rail
Knob (TUNING)
Knob X 6
Knob X 4 (pushbutton)
Screw X 5 (pultey)
Hex. nut X 2 (panel)
Flange nut X 4 (power transformer)
AM bar antenna
FM indoor antenna
PARTS LIST
POWER SUPPLY (X0
C91-0001-05
C90-0145-05
C91-0025-05
C91-0023-05
CK45E30103PMU
F05-5021-05
FOS-2528-05
FO5-2521-05
FOS-2528-05
FOS-1021-05
FO5-1023-05
FO6-1021-05
J13-0055-05
J13-0055-05
CC45SL1H101K
CC45SL1H150K
CK45F1H103Z
CC45SL1H150K
CC45SL.1H100D0
CC46SL1H221K
CK45F1H103Z
CC45LG1H220J
CC45SH1HO80D
CC45CH1H390K
CC45CH1H150K
CK45F1H1032Z
C91-0037-05
CK45F 1H1032Z
CC45SL1H101K
CK45F 1H473Z
CEQ4W1HR47
CK45F1H103Z
CE04W1HO010
CK45F 1H473Z
CC45UJ1H180K
CQO9FS1H361J
CC45SL1H470K
0-1950, 1951- )
CAPACITOR
Cerarnic O.0tnF AC125V
or film O.01wF AC125V
(X00-1950-10)
Film O.01pF AC 125V
(X00-1951-01) ‘
Ceramic O.01nF AC 250V
(X00-1950-81)}
Ceramic O.01pF +100%,—0%
(X00-1950-61, -1951-71)
RESISTOR ;
Carbon 2.2MQ +20% 1/2W
(X00-1950-10, -1951-01)
MISCELLANEOUS
Fuse 5A (pri)
(X00-1950-10, -1951-01)
Fuse 2.5A (pri)
(X00-1951-71)
Fuse 2.5A (pri)
(X00-1950-81)
Fuse 2.5A (pri)
(X00-1950-61)
Fuse 1A (pilot)
(X00-1950-10, -1951-01)
Fuse 1A (pilot)
(X00-1950-81)
Fuse 1A (pilot)
(X00-1950-61, -1951-71)
Fuse clip X 4
(X00-1950-10, -1951-01, -71)
Fuse clip X 6
(X00-1950-61, -81)
TUNER (X05-1480-10, -61, -81)
a
CAPACITOR :
Ceramic TOOpF £10%
Ceramic 15pF +10%
Ceramic O.01nF +80%,—20%
Ceramic 15pF £10%
Ceramic 10pr tO0.5pF
Ceramic _ 220pF £10%
Ceramic O.01pF +80%,—20%
Ceramic 22pF 25%
Refer to Note of Lg4.
Ceramic 8pF +0.5pF
Ceramic 39pF t 10%
Ceramic 15pF £10%
Ceramic O0.01uF +80%,—-20%
Low capacitive 0.47pF
Ceramic 0,01nF +80%,—20%
Ceramic 100pF 10%
Ceramic 0.047uF+80%,—20%
Electrolytic 0.47uF SsOWV
Ceramic 0.01pF +80%,—20%
Electrotytic 1uF 50WV
Ceramic 0.0474 F+80%,—20%
Ceramic 18pF 10%
Polystyrene 360pF t5%
Ceramic 47pF £10%

PARTS LIST
a: New parts
Re
©90-0245-05
Semiconductor
ceramic
V09-0126-50
FET
2$K117(Y),
(GR)
O.01pF
+20%
V03-0127-10
or
2SK105(F),
(H)
CK45B1H102K
Ceramic
1000pF
+£10%
V03-0270-05
Transistor
2SC945
CEO04W1E100
Electrolytic
10uF
25WV
C90-0245-05
Semiconductor
ceramic
0.01uF
20%
CQ93M1H473K
Mylar
0.047uF
+£10%
CE04W1E100
Etectrolytic
10uF
25wv
V03-0504-05
V01-0084-05
or 2SC828A
Transistor 2SA733
or 2SA564A
Transistor 2SC945
or 2SC828A
V03-0270-05
V03-0504-05
CEQ4W1HO10 Electrolytic 14uF sSOWwV V30-0133-05 ic HA1137W
CK4581H102K Ceramic 1000pF +10% V30-0196-05 Ic HA1197
C90-0245-05
Semiconductor
ceramic
V30-0245-10
or
LA-1240
0.01uF +20% V30-0244-10 Ic LA3350S-L6
CQ93M1H104M Mylar 0.1uF +20% V30-0264-10 Ic HAT457
CQ93M1H103J Mytar 0.01nF 5%
CEO4W1C101 Electrolytic 100uF 16WV V11-0271-05 Diode 1$2076
CQ93M1H473K Mylar 0,047uF +£10% V11-0076-05 or 181555
CEO4W1E100
Electrolytic
1OuF
25wv
CE04W1C221
Electrolytic
220uF
16WV
CQ09FS1H152J
Polystyrene
1500pF
+5%
CEQ4AW1HR47M
Electrolytic
0.47uF
SOWwWV
CE04AW1HR22M
Electrotytic
0.22uF
SOWV
CE04W1HO010
Electroilytic
1yF
SsOWwV
CEO4W1E221
Electrolytic
220uF
25wv
CQ93M1H682J
Mytar
G6800pF
+5%
CQ93M1H153J
Myiar
0.015uF
25%
CQ92M1H124KDA
|
Mylar
0.12uF
410%
CQ93M1HB225
Mytar
8200pF
+5%
CQ92M1H124KDA
|
Mylar
0.12uF
t10%
CK4581H681K
Ceramic
680pF
+
10%
CE04W1A470
Electrolytic
47uF
10WV
CQ93M1H272J
Mytar
2700pF
+5%
CE04W1E
100
Electrolytic
10uF
25wWV
CEO4W1C330
Electrolytic
33uF
16WV
CEO4W1E100
Electrolytic
10uF
25WV
CEQ4W1C470
Electrolytic
47yF
16WV
CEO4W1C330
Electrolytic
33uF
16WV
POTENTIOMETER
Trimming 5kQ (B) VCO
Trimming 1k (B)SEPARATION
Potentiometer 100k2 VOLUME
R12-2016-05
R12-1021-05
RO6-5026-05
VC/TRIMMER
Variable capacitor
Ceramic trimmer 6pF
C01-0185-05
COS-0055-05
SWITCH
Rotary switch SELECTOR
Slide switch DE-EMPHASIS
Push switch TAPE, LOUONESS
$01-3023-05
$31-2048-05
$42-2019-05
IF T/COIL/INDUCTOR/FILTER
L31-0361-05 FM ANT coil
CEO04W1E101
Electrolytic
100uF
25WV
L31-0410-05
FM
RF
coil
'
CEQ4W1A101
Electrotytic
100uF
10WV
ei
ya
Inductor
14H
CC45SL1H470K
Ceramic
47pF
£10%
L32-0187-05
FM
OSC
coil
FM OSC coil Lg4 can match both parts No. L32-0187-
OS and L32-0210-05. When using 132-0210-05 to
Lg4, replace the capacitor Cg9 with parts No. CC45-
PG1H2204: 22pF t5%
CS15E1A3R3M Tantalum = 3.3uF 10WV
CE04W1A470 Electrolytic 47uF 10WV
CC45SL.1H101K Ceramic 1009F £10%
CC4SSL1H220K Ceramic 22pF +10%
CQ93M1H272) Mylar 2700pF t5%
CQ93M1H 103J Mylar 0.01pF t£5%
L30-0282-05 FM (FT
: 40-2205-25 Inductor 22yH
CEO4AW1H4SA7MCC| Electrolytic 4.7uF SOWV L30-0309-05 EM IET
CK4581H471K Ceramic 470pF £10% t30-0310-05 FM tET
CE04W1E101 Electrolytic 100KF 25WV L40-2201-03 Inductor 22uH
CK45F1H473Z Ceramic 0.047uF +80%,—20% L40-1092-44 Inductor pH
CC45SL1H221K Ceramic 220pF £10% | L32-0205-15 AM OSC coil
(X05-1480-61)
L30-0284-05
AM
detector
coil
Ceramic 0.047uF +80%,—20% L.40-1021-03 Inductor 1 mH
L40-2292-44 Inductor 2.2uH
RESISTOR L40-2292-02 | or 2.2uH
(X05-1480-61)}
FM ceramic filter
AM ceramic filter
MISCELLANEOUS
B30-0084-05 Lamp X & BV 0.054
RD14GY 2E 1015 £5%
RD14GY 2E680J £5%
RO14GY2E220J £5%
RO14G Y 2E680) t5%
ROMGGY 2E331J +5%
RCOSGF2H106M £20%1/2W
RO14GY 2E 1015 £5% 1/4W
L72-0052-05
L72-0036-05
E29-0088-05 Terminal board
SEMICONDUCTOR
V09-0124-10 FET 2SK61(GR), (Y)
V03-0104-05 Transistor 2SC535(A)
V03-0357-05 Transistor 25C1342(8)
V03-1923-10 Transistor 2SC1923(R), (O)
V03-1890-20 Transistor 2SC1890(E), (F)

AUDIO
UNIT
(X09-1240-10,
-61)
CS15E1E2R2M
CS15E1ER22M
CC4S5SL1H150K
CEO046W1C470M
CQ93M1H274K
CQ93M 1H683K
CQ93M 1H274K
CEOQ4W1E 100
CE04W1A101
CEO4W1E100
CEQ4W1H331
€CQ93M 1H 104K
CEQ4W1H010
CC45SLIHTO1K
CC45SL1H010D
C90-0349-05
CQ93M 1H 104K
CC4S5SSL1H100K
C91-0039-05
C90-0363-05
CK45E2H103P
CEQ4W1H220
CEO04W1H101
CK45B81HS61K
CEQ4W1C221
CEQ4wic101
CEQ4W1V221
ROWMGY 2E1515
RO14G Y 2E271J
R92-0167-05
RS14GB3D4R7J
RCOSGF 2H100K
RS 14AB4A3313
ROMGY 2E5605
RCOSGF2HS61K
RS14G830681J
RS14G830561J
RS14GB301815
RCOSGF2H122K
RS14G630821J
V01-0152-05
V03-0481-05
V01-0200-05
V04-0600-10
V03-0454-05
V02-0631-10
V01-0175-05
V03-1890-30
V03-0270-05
V01-0084-05
V03-0452-05
Vv01-0084-05
V03-0330-05
V11-0271-05
V11-0076-05
V11-5100-40
V11-0271-05
V11-0076-05
V11-0219-05
V11-0271-05
V11-0076-05
V11-0273-05
V11-0421-05
V11-0295-05
CEO4AW1H010M
CE048W1A470M
onainien aa
CAPACITOR
Tantalum
Tantalum
Ceramic
Electrotytic
Mylar
Electrolytic
Mytar
Mylar
Electrolytic
Electrolytic
Electrolytic
Electrolytic
Mylar
Electrolytic
Ceramic
Ceramic
Electrolytic
Etectrolytic
Mylar
Ceramic
Metalized polyester 0.1uF 250WV «
Etectrolytic
Ceramic
Electrolytic
Electrolytic
Ceramic
Electrotytic
Electrolytic
Electrolytic
Carbon
Carbon 2702 +5% 1/4W
Cement 0.222 3w
Metal film 4.72 45% 2W
Carbon 102 410% 1/2W
Metal film 3302 +5% 1W
Carbon 562 t5% 1/4W
Carbon §602 +10% 1/2W
Metal film 6802 +5% 2wW
Metal film 5602 +¢5% 2wW
Metal film 1802 +5% 2w
Carbon 1.2kQ £10% 1/2W
Metal film 8202 +5%
SEMICONDUCTOR
Transistor
Transistor
Transistor
Transistor
or
Transistor
or
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Diode
or
Varistor
Diode
or
Diode
Diode
or
Diode
Diode
Diode
1502
KR 6030
PARTS LIST
&: New parts
2.2uF 25WV
O.22uF 25Wwv
15pF £10%
47nF 16WV
O.27uF +10%
Tur SowVv
Q.068uF £10%
O.27n2F +£10%
10uF 25Wwv
100LF 10WV
10nF 2Swv
330uF sOWwV
0.1pF 410%
Tyr sSOWV
100pF 10%
IpF tO.5pF
47 uF 10WV
100uF 25wWwvV
0.1uF 10%
10pF +10%
10000uF sowv | +
0.01uF +100%,—0%
22uF = 50WvV
100uF =sOWV
S60pF + 10%
220uF =16WV
100nF 86 16 WV
220uF 35wv
t5%
2SATSOVINE
2SC1775A(E),(F)
2SA872A(E), (F)
2SO600K(E), (F)
2SC1567A(Q), (R)
288631K(E), (F)
2SA794A(Q), (R)
2SC1890A(E), (F)
2SC945(Q), (R)
2SA733(Q), (R)
2SC1735E
2S8A733(Q), (R)
2SC789
182076
181855
STV-4HG
182076
181555
vo6é8
182076
1S1555
1S2076A
M4C-3
wo6B
Note:
When
using
2SD600K
as
Qm11,
12,
2S8631K
should
be
empioyed
as
Qm13,
14,
also
when
using
2SC1567A
as
Qm11,
12
2SA794A
should
be
done
as
Qm13,
14.
[rewne [ omreten [a
Om18 V11-0254-05 Zener diode YZ-140
Dm19, 20 | V11-0287-05 Zener diode WZ-240
POTENTIOMETER
R12-0047-05 Trimming 5002(B) BIAS
RO6-5030-05 | Potentiometer 200k (MN)
BALANCE
RO6-2010-05 | Potentiometer 5kQI(C) X 2
TREBLE
RO6-2009-05 | Potentiometer 5kKM(C) X 2
BASS
COIL/INDUCTOR .
Lm, 2 L39-0080-15
Lm3, 4 L40-1021-03
$02-2004-05
Phase compensator coil
Ferri-inductor 1mH
Rotary switch
POWER/SPEAKERS
(X09-1240-10)
Rotary switch
POWER/SPEAKERS
(X09-1240-61)
Phsu switch SUBSONIC
Relay PROTECTION
$02-2008-05
$40-2084-05
$51-4030-05
or
$51-4033-05
E11-0060-15
Phone jack
J21-1677-03
Mounting hardware
Note
Resistors
except
the special
type
(example:
cement,
metal
film,
etc.)
are
not
detailed
in
PARTS
LIST.
With
regard
to
the
vatue.
refer
to
the
schematic
diagram
or
the
PC
board
illustration.
Resistors
not
detailed
are
carbon
type
(1/4W
or
1/8W).
You should give an order for the carbon resistors according to the
ways described as follows:
A carbon resistor’s part number is example RO14BY 2E 222J
1. Kinds of the carbon resistor
—<———>—
AOVAGY. RDVMCY
2. Wattage
V/4w — 2E
/8W ~ 28
3. Resistance value
—
202
20
—
means
22
xX
10?
=
2200
(22%
2)
Significant
figure
Multiptier
Example: 221 ~ 2202
222 = 2.2k2
223 ~ 22kn
224 220k2
225 2.2MQ
4
4
4. Tolerance
J = £5% (Gold color)
K = + 10% (Silver color)
I

FAR-SO30
ADJUSTMENT
RECEIVER
SETTING
OUTPUT
INDICATOR
TEST EQUIPMENTS
CONNECTION SETTING
deflection
95 MHz (60 dB)
Qa ® 1 kHz (Mod)
75 kHz (Dev)
Make the pointer posi-
T meter Lg? tion in the center of the
meter
95
MHz
(60
d8)
SSVM,
scope
and
Maximum
deflection
6
and
®
1
kHz
(Mod)
distortion
meter
Lg8
and
minimum
75
kHz
(Dev)
to
REC
jack
(L)
:
distortion
95 MHz
1 kHz (Mod)
OUFReT 75 kHz (Dev)
60 dB
90 MHz
1 kHz (Mod) Lgl, 2,4
75 kHz (Dev)
TRACKING
105 MHz
1 kHz (Mod) CTigi~3
75 kHz (Oev)
ab
Mise
Freq.
count
Counter
indi
7
vco
0
(Dev)
Q.
=
er
VAg!
‘ounter
indicates
60
dB
(Input)
to
TP
(=)
19
kHz
95 Miz
SEPARATION | @and@
oe an
: 1.000 kHz
Te
Jomo
[Byam
nome
emer
fore
[memati
600 kHz Lot
400 Hz, 30% (Mod) | 600 kHz b
100
dB
Bar
antenna
TRACKING rap
3
|
400
Hz,
30%
(Mod)
|
1-400
kHz
CT94.
5
AUDIO SECTION
VOLUME
ogame [carmen [mms |
ABSOLUTE MAX. RATINGS
cet.
[*[™].
pveoo{
©
|
me
{wf
|)
TCU
ADJUSTMENT
POINTS
SSVM and scope Maximum
to REC jack (L)} tgs
Confirm output voltage
Maximum
deflection
1 kHz (Mod) SSVM. scope and wy
68.25
kHz
(Dev)
distortion
meter
Heian
jesgauiee
Lor R (Select) to REC jack (L) ee
60 dB (Input)
95 MHz
1 kHz (Mod)
68.25 kHz (Dev)
L (Select)
60 d8 (Input)
SSVM. scope and
distortion meter
to REC jack (L)
Minimunn
distortion
Mete indicates
15.5mv @

NOTE
*
RE-SG
is
set
to
the
lowest
response
possible
on
oscillo-
scope.
*
The
output
level
of
RF-SG
is
made
a
loss
by
the
dummy
antenna.
The
loss
is
different
from
the
dummy
antenna,
so
you
should
take
into
consideration
the
value
of
the
loss
applicable
to
your
case.
*
Repeat
TRACKING
adjustment
several
times
and
con-
firm
the
reception
of
broadcasting.
*
Test
point
is
shown
in
the
schematic
diagram.
TEST
EQUIPMENTS
AND
ITS
SPECIFICATIONS
AUDIO SIGNAL GENERATOR (AG)
Ranges:
5
Hz
~
500
kHz
Waveform:
Sine
wave
Output:
10V
r.m.s.
Distortion:
0.01%
or
less
SOLID STATE VOLT METER (SSVM)
Ranges: 0.3 mV ~ 100V (full scale)
Frequency
response:
5
Hz
~
500
kHz
Impedance: 1 M-ohms or more
STANDARD SIGNAL GENERATOR (RF-SG)
Ranges:
90
MHz
~
108
MHz
150 kHz~ 1,500 kHz
Modulation
frequency:
1
kHz,
400
Hz
or
external
input
(input level: 2V or less)
Deviation:
0
~
150
kHz
Output:
100
mV
or
more
S/N:
85
dB
or
more
Distortion (internal): 0.5% or less
OSCILLOSCOPE (SCOPE)
Ranges: DC ~ 10 MHz
Sensitivity: 20 mV/cm
Impedance: 1 M-ohms or more
MULTIPLEX SIGNAL GENERATOR (MPX-SG)
Modulation frequency: 1 kHz or external input
(input level: 5V or less)
Separation: 60 dB or more
S/N: * 85 dB or more
FREQUENCY COUNTER (COUNTER)
Frequency response: 10 Hz ~ 1 MHz
Sensitivity: 50 mV or more
Impedance: 1 M-ohms or more
DISTORTION METER
Ranges: 0.1% ~ 0.03% (full scale)
Sensitivity: 100 mV or more
Dummy ant.
© LFFSG WS
@ [mex-sc}—{ RF-sc |}
® [LAF-SG FW
@j[score |
DISTORTION
METER
@
8 1
ICg3
12
9 16
TP1
Frequency counter
DC voit meter
Left (Right)
ADJUSTMENT
vRmt1 (L)
VRm2 (R)
Lg7 Lg4 Lg2
[am osc] osc frm 1FT| 1FT [Fm anT] ANT
CTg95
Lg5 lg
Lg11
CTg3
CTg1 CTg4
CTg2
VRg2
Lg8
[SEPARATION] [em iT] FT
13

PC
‘BOARD
‘
'
+
T.METER
Wb,
S.METER
Substitutions
=
3
a 4
rd
z
g
8 Fs a
2SAG20WL, 2SA640. 254810
2SA750 (1), ZSA8934
2SA794A (Q), (R)
280525. 280526
28C 1509
2SC1400, 2SC1890A
2SC 1400, 2SC1775A4
VcEO > 40V
VcEO> 40V
| 28C1567A 1Q), (R)
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Note:
When
using
2SD600K
as
Qm11,
12,
2SB631K
should
be
employ-
SCHEMATIC
DIAGRAM
ed
as
Qm13,
14,
also
when
using
2SC1567A
as
Qm11,
12,
2SA794A
should
be
done
as
Qm13,
14.
2SAS64A 2SC1222 a
2SA640 = 25C 1400
2SA733 28C1509 S.METER T.METER
2S8A750 28C1775 TUNER (X05-1480-10 A/4)
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2SC828A 2801923
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E
Be
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under
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you should confirm the lead of one.
15

SPECIFICATIONS
AMPLIFIER SECTION
Power Output
60 watts* per channel, minimum RMS both
channels driven, at 8 ohms from 20 to 20,000
Hz with no more than 0.1% total harmonic
distortion.
Both Channels Driven ............. 68 + 68W 82 at 1,000 Hz
80+ 80W 42 at 1.000 Hz
Dynamic Power Output........... 300 W 4 2
Total Harmonic Distortion...... 0.1% at rated power into 82
0.05% at 1/2 rated power into 82
intermodulation Distortion...... 0.1% at rated power into 82
(60 Hz: 7kHz 4: 1) 0.05% at 1/2 rated power into 82
Power Bandwidth .................. 10 Hz to 45,000 Hz
Damping Factor ...................... 30 at 82
Speaker Impedance ................ Accept 42 to 162
Input Sensitivity/Impedance/Signal to Noise Ratio
(IHF A curve)
PHONO: .252.2226:fees ace heehee 2.5 mV/50k0/75 dB
AUN. Skee ea esess 150 mV/45k2/95 dB
VAD @ is ievsch sev Aire Genes 150 mV/45k0/95 dB
Maximum Input Level
for Phono... eee ee eeee 250 mV (RMS), T.H.D. 0.1%
at 1,000 Hz
Output Level/Impedance
Tape REC (Pin) ................0.. 150 mV/1002
(DIN) oo... eee 30 mV/80k2
Frequency Response
PHONO #.3252:220 cre es hee RIAA standard curve
+0.3, —0.3 dB
AUX and Tape...................066 10 Hz to 50,000 Hz
+0, —1.0d8
Tone Control
BASS) oi oss se ekeeeen ese +8 dB at 100 Hz
Treble iscccccceclenecccavicthseteeededs +8 dB at 10 kHz
Subsonic Filter...............0..00- 15 Hz (6 dB/oct.)
Loudness Control ................... +9 dB at 100 Hz
(—30 dB)
FM TUNER SECTION (IHF)
Usable Sensitivity ................... 10.8 dBf (1.94)
50 dB Quieting Sensitivity
Mni0se...:ecsesdcstectsoteeet tes cetse 15.0 dBf (3.0nV)
St@red 00.0... eeecccceeescceteeeeeteees 37.2 dBf (40uV)
Signal to Noise Ratio
at 65 dBf
16
Total Harmonic Distrotion
at 65 dBf
Mons iiiee eine iene 0.15%
StOl OO y. eeestesee hes ieee 0.25%
Frequency Response............... 20 Hz to 15.000 Hz +0.5,
—2.0dB
Capture Ratio ............ ... 1.0 dB
Image Response Ratio ............ 60 dB
Spurious Response Ratio ........ 72 dB
IF Response Ratio
(Balanced) ................ceceeeee 86 dB
Alternate Channel
Selectivity.................0ccceeeeees 65 dB
AM Suppression Ratio ............ 60 dB
Stereo Separation Ratio.......... 45 dB at 1.000 Hz
35 dB at 50 Hz to 15.000 Hz
Sub Carrier Product
RAO oiiee istic csiercte ie elses 40 dB
Antenna Impedance................ 3002 balanced
752 unbalanced
FM Frequency Range.............. 88 MHz to 108 MHz
AM SECTION
Usable Sensitivity ................... 15uV
Signal to Noise Ratio .............. 50 dB
Image Rejection...................... 50 dB
Selectivity...........0....... eee 33 dB
GENERAL
Power Consumption ............... 450W at full power
AG: Outlet: :.ce0c)- seis cence cess Switched 1.
Unswitched 1
Dimensions ...........0..... ee W ~~ 18-29/32”" (480 mm)
<19-7/8" (505 mm)>
H 5-7/8" (149 mm)
<7-1/32", (179 mm)>
ie) 15-15/16" (405 mm)
< 15-15/16" (405 mm)>
Weight
(NOt) oo si5ccssescs keira tee 26.5 Ib (12 kb)
<30.9 Ib (14 kg) >
(Gross): scene Sioa 30.9 Ib (14 kg)
<35.3 Ib (16 kg)>
< > U.S. Military Type
* Measured pursuant to Federal Trade Commission's Trade
Regulation rule on Power Output Claims for Amplifier in U.S.A.
Note:
Kenwood follows a policy of continuous advancements in develop-
ment. For this reason specifications may be changed without
notice.
ae