Denon DN-730R User manual

IDENON
SERVICE MANUA
DN-730R
MODEL
STEREO CASSE'I-I'E TAPE DECK
--
TABLE
OF CONTENTS
--
SPECIFICATIONS
..........................................................................................................................................................
3
BLOCK DIAGRAM
.........................................................................................................................................................
J,
LEVEL DIAGRAM
..........................................................................................................................................................
DISASSEMBLY
INSTRUCTIONS
ADJUSTING
AND CHECKING
ADJLISTING
THE ELECTRICAL
...........................................................................................................................
THE MECHANISM
SECTIONS
!5
6-7
SECTION ..................................................................................
3
.......................................................................................................
9-- 10
NOTE FOR PARTS LIST ...........................................................................................................................................
l'D
PARTS LIST OF 3U-2584
AUDIO
PARTS LIST OF 3U-2063
POWER SUPPLY UNIT .................................................................................................
PARTS LIST OF EXPLODED
METER UNIT ..............................................................................................
11-13
13
VIEW ..........................................................................................................................
14
EXPLODED
VIEW .......................................................................................................................................................
15
EXPLODED
VIEW OF CASSEq-I-E
16
MECHANISM
PARTS LIST OF CASSEqq-E MECHANISM
PARTS LIST OF PACKING
PACKING
& ACCESSORIES
....................................................................................................
EXPLODED
& ACCESSORIES
VIEW ............................................................................
........................................................................................................
OF 3U-2584
AUDIO/METER
P.W. BOARD
OF 3U-2063
POWER SUPPLY UNIT ...............................................................................................
BUNDLE
WIRING
DIAGRAM
DIAGRAM
SCHEMATIC
t7
UNIT ..................................................................................................
...........................................................................................................................................
18
19
20-21
....................................................................................................................................................
.....................................................................................................................................................
DIAGRAM
NIPPON
17
.....................................................................................................................................
P.W. BOARD
SEMJCONDUCTORS
17
.............................................................................................................................................
COLUMBIA
CO.. LTD.
2:1
22
,!'.3
_
ON--730R
DN--730R
!'SPECIFICATIONS
I
Type
• Vertical tape loading;
stereo cassette deck
Heads
Recording/playback
4-track 2-channel
head (amorphous)
Erase head (Double-gap
ferrite)
Motors
Capstan (DC servo motor)
Reel (DC motor) x 1
Tape Speed
Variable (PLAY)
4.8 cm/sec.
Fast Forward,
Rewind Time
Flecording Bias
Overall S/N Ratio
(at 3% THD
Overall
red,iF
X 1
× 1
× 1
(FIX)
Approx.
_+12%
Approx.
110 sec. with a C-60 cassette
Approx.
105 kHz
Dolby_
NR on" more than 74 dB (CCIR/ARM)
Frequency
Response
25N19,000
Channel Separation
Crosstalk
Wow & Flutter
Hz 4:3 dB (at --20 dB, Metal tape)
More than 40 dB (at 1 kHz)
More than 65 dB (at 1 kHz)
0.055% WRMS (JIS method),
Inputs
Line
_+0.14% w. peak
80 mV (--20 dBm) input level at maximum
Input impedance:
Outputs
" Line
50 kohm unbalanced
775 mV (0 dB) output
level at maximum
(with 47 kohm load, recorded
200 pwb/mm)
Headphone
1.2 mW output
(optimum
Voltage
16W
Weight
Installation
4.7 kg
is shown
on rating label
19-inch rack mountable
iN
Above
specifications
improvement.
iN
Dolb¥
noise
under
licence
and
reduction
from
and
bolby
originated
by Band & Olufsen.
"DOLBY",
the
double-D
design
HX
symbol
Licensing
Best
be obtained
will
styling
(3U)
are
subject
Pro headroom
Laboratories
Dolby Laboratories
tapes.
kohm)
482 (W) X 134 (H) ;< 275 (D) mm
_
results
level at maximum
load impedance
8 ohmN1.2
Power supply
Power Consumption
Dimensions
level of
extension
Licensing
1313 and "HX
to
change
for
manufactured
Corporation.
HX
Pro
PRO" are trademarks
of
Corporation.
with
use
of DENON
DX and
HD Series
cassette
I
1
I
[ _BLOcK DI_A_G_B_A_M_
1
z
DN-730R
I iEVEL
DIAGRAM
j
PLAYBACK SYSTEM
TCC-130 IDOLBY B-TYPE
400 Hz 200 nw-b/m
PB
-
-
TESI400_'z
HEAD
PB
-
EQ
AMP
IC302
(3)
PB
DOLBY
NR
SYSTEMIC
GAiN
LINE
MUTE
HEA[',)PHONE
T_?04
AMP
PHONES
iC306
OUT
7
rC303
A_=
!'
--
'J
(2)
I I .__'-'r:_
' dl
[ aT,o,
+
(RT20b
LINE
LINE
%?
_UTE
.....
_+___,
!
I
÷TdB
/J_-----Io_B
'°I,
_HONES
L,NEO0,
:,
-20_
I
!
-ac -i
60"
i
-704
-rob
_"
_LAY
RECORDING
BACK
TCC-'30
400Hz
200nwbzm
OdB=775mV
SYSTEM
INPUT FREQUENCY
400 Hz
L KE
:N_:Z
INPUT
VOLUME
DOLBY
SYSTEM
NR
REC
IC
qEC
SENSE
5
EO
AMP
C,_10 4
BIAS
REC
-RAP
HEAD
iNPUT FRE QUE'NC ,'
,pen)
L_n
__
_OOk,z
t
VRS01
)rPr208)
I
LE'_EL
]
2dB
5dB
-_ f'dB
_
20
2OdB
-15d£
-24¢JB
(NORMS,
L]
!SdB
-20
21dB
40-
50
+
-0
÷';0 ]
o
-lo
OUT
-_
-60"
-70
REC
PLAY
FREQUENCY
: 400H'z
O_B:Z7§mV
(ME
5dB
TAL)
(CHROME)
(NORMAL)
(METAL)
(CHROME)
(NORMAL)
OUT
LCAD
,B,Q
i DISASSEMBLY
INSTRUCTIONS
(3)
I
Disconnect
all
lead
connectors.
C Mechanism
W151
(7P) --
CN151
|
1.
(1,
How to Remove the Front Panel
Remove
top
the four
cover.
remove
(2_
screyvs,
M_ve
the
Press
rear
side of the
knob,
window
Handle
open
as shown
the
the
three
panel,
the bottom
the
cassette
and
rise
it
Meter
to
and remove
the
window
with
care
because
(3
hooks
(4)
(5)
circuit
×
10 CBTS-P)
top,
and pull the unit forward
Head
wire
_
CN302_
W131
on top
the
three
to detach
Volume
Remove
the
Remove
the
Front
|
Audio
circuit
CN131
/
-_CB121
and Volume
board
screws
holding
the Mecha
at the
Ass'y,
left
and
(C).
(2.6
×
6 CBTS(S)-Z)
(3
Bracket.
and right
the
can be removed
I
Knob
retaining
Hooks
Esc.
Front Ass'y
on
Knob
four
10 CBTS(P)-B)
the
of the
hooks
(3P) _
23PFFC
Remove
x
(6)
on the
CN301
!
_t
easily.
screws
two
box
in the figure•
cassette
can be scratched
Remove
the
_
/
board
the eject
Note:
front
to the
in the
it.
cassette
(3,
cover
wire
!
(4 X 12. CBTS-P)
top
Head
two
of the
hooks
towards
front
on the
face
of
bottom,
the front.
it
MechenJsrn
i-etain;ng
Screw
\ IBxO)
Mechanism
_'_
1
_f
,."
Mechc]nism
!
i
Screw
retaining
_(3x10
j-
Screw
Top cover
/
escutcheon
A_s'y
Knob
Hooks
at left
and
right
C"
of Frcnt
Esc. Ass'y
\
Cassette
3.
bax
How
Remove
panet
the
and take out
4.
How
(1)
Remove
to Remove
four
the Mechanisms
Mechanism
retaining
screws
3 × 10 CB'[S(P)-B
C Mechanism
to Remove
the
top
the Meter
Circuit
cover
and
the front
esc
ass'y
(Refer
panel.
Board
(Refer
to section
1.)
(2)
(3)
2 hooks on the top of the front panet
z
[
Remove
the front
If you remove
the five
of the meter
circuit
meter
board
Note:
circuit
When
that
binding
board,
replacing
floating,
and loosening
can be taken
d:_s not
the
floating
the switch
to section
screws(3
tact
switch
2.
How
(1)
Remove
(2)
Remove
holding
to Remove
the top cover
the
three
the Front
the Front
and front
retaining
Escutcheon
Escutcheon
panel.
screws
(Refer
X
3
at the front.
×
Ass'y
to Step
10
1 )
CBTS-(P)-B
hooks,
check
to ma<e
board
oe in the on condition
t
of the front panel
the five
the circuit
the set is assembled
3 hooks on the bottom
2)
8CBTS.Ptight)
the
off.
ab3ve
will
x
sure
If it is
when
C)N-730R
7F
Power
circuit
I
Screw
.(3x10)
TBG
supply
b0crd
\,\
Ccrew
I',3X
8]
)
circuit
HO0_
Meier
5.
How
(1)
Remove
to Remove
Hold
Board
the Cassette
:the MfNI]Zf_l_PER"_etaining
B and take
(2)
Circuit
the
out tl_
legs
MINI
of the
pull up to remove
Door
screw
_'-x
8 CBTS{P)-
DAMPER
CASSETTE
BOX
the CASSETTE
BOX
folded
inwards
and
and BOX SPRING
Note:
Almost
all of the
cupt board
bottom
Only
can
cover
when
parts
,i __
twe
step
¢smper
--Box
Front
6.
How
(1 }
Remove
top
the Audio
cover
and the front
Circuit
Remove
(3)
Remove
{1 _
Remove
(2)
Remove
Board
panel.
(Refer
from
to section
1)
(2)
the
power
esc. ass'y.
connectors
supply
circuit
(Refer
from
the
to section
audio
suppl,i
circuit
board
procedu-es
in their
be
check
the
in
re_pec-
assembled
work
in
of each
assembling
the Power
cover
to
Supply
and the front
oanel.
that
the
Circuit
(Refer
to section
(3)
2.)
circuit
When
chicuit
boa{d
and
the
bushing
is fixing
power
suppl_
cord
the
five
tight)
board
can be removed
screws
that
are
x
1:3 CBTS.P
holding
(4
the power
are removed,
by raising
the
power
tight;,
(3
transformer
supply
circuit
x
10
and
board
it.
board.
Side of the
Power
the to_
when
the
cannot
Theretore,
refer
if each of the various
properly
sel
you
the chassis.
CBTS-P
the front
the
carefully
How to Remove
Board
However,
asserrbled
cases.
7.
the
surfaceofFroqtAss'y
to Remove
the
spring
cir-
above.
follow
order.
are not
should
mentioned
reassembling,
position,
some
to the audio
by removing
on the rear side of the chassis
method
the reverse
sc_ew_
repairs
performed
it is unavoidable
the removal
When
servire
be
Side of the
CN901
--
(7P) _
CN901
TBG
audio
circuit
board
CONNECTOR
(4) Remove the screw (3 x 10 CBTS-P tight) (3 x 8 CBTS.S
tight) that is holding down the 4P pin jack and circuit board.
By removing
holding
arrows
the two catches
down
the circuit
shown below,
(left and right) of the chassis
board
in the directions
the audio circuit
of the
board can be pulled
forward.
Powe"
circuit
supp(y
board
board
DN--730R
ADJUSTING
MECHANISM
1.
AND
CHECKING
SECTION
replacincl"
o[ the pinch
Most
tl_e pinch
roller
causes
roller
roller
Replacing the ERASE HI'AD (15)
(1)
Unscrew
(2)
By
shaft.
tape
that
press
to remove
replacing,
transport
center
section
the capsta'q
again.
contact
surface
(3)
When
be traced
to dirty
pinch
the
pinch
C-90
roller
tape
s_'aft,
allow
Check
and
to check
g when
Replace
the
pinch
roller
slandard
specification
Force
pull
the
for tape
After
(36)
opto
separating
sure
roller
when
pinch
to contact
weight
starts
it does
the bracket
the
the spring
roller
at
the
replacement
the screw
Check
within
reads
check
be-
conform
to
shaft
secure
the screws
sure
6.
Checking
that
sure
the
roller
7.
type
torque
torque
the cassette
sure
the
1)
Remove
2)
Remove
RiP
250 -- 350 g
the
mech_,nical
screw
(1)
Head
and
the record/playback
soldered
head
unit to remove
8.
(14)
azimuth
adjusting
9.
head
wire
and disassemble
the record:playback
the
head.
the R,,P HEAD.
the
above
the HEAD
WIRE
meter
reading
within
is
thi,_; range.
If the voltage
the torque
is
will be strong
RE\_/ Torques
(SONY
indicates
TW2231).
Check
to
90--180
g-cm
at
within
Checking
Tension
type
torque
torque
meter
this
the
meter
read_
Torque
(SONY
between
During
TW2i11):
check
2 --6
during
g-cm
is no unevenness
range,
replace
FF and
tape
the reel ass'y
REW
o: rewound
this range,
(5) or Washer.
Times
(DENOI'4 GR-2/60);
is fast forwarded
onds. if it is not within
rheck
check to make
within
sections
110 sec-
5 and 6.
1 procedures
for
removrng
HEAD
according
(re('ordingiplayback
to the diagram
head)
BROWN
BLUE
the
R,"P
Checking
the Existence
of a Cassette
Housing and the Operation
of the Erase
Prevention,
Metal and Chrome Switch
Confirm
tection
to assemble
).
HEAD.
securing
(1) from
torque
of th_ reel motor.
meier
meter
and that there
If it is not within
the Record/Playback
_e
TW21:11
If it is not
if it is high,
Checking
the Back
Record/Playback
sure the tape
to remove
4V)
be weak:
Load a C-60 cassette
How
aver3ge
the FFand
the cassette
playback
Replacing
',SONY
playback.
(approx.
will
Torque
meter
the
during
the voltage
the torque
torque
the end of FF and REW.
i
_._
type
g-cm
low,
to make
:
the Take-up
make
30-70
Load
mechanism
is completed,
to the
li
" Solder
the
lock
the cassette
the caps-
to rotate
not
Checking
Load
roller
values.
Pinch
Reverse
off
curls
5.
the pinch
Capstan
How
taken
pinch
make
(2)
be
pinch
Load
screw
(53).
can
of the Pinch
weight
fl_e pinch
to make
350
,
screws
W RES
____F--ZZ_-:±-J
a. spring
roller.
twveen 250--
(1)
holding
HEAD
unit.
of the head.
mo_d.e_hpok
o; the
t_n shaft
tape
head
the
it.
run a padless
playback
mechanism
with
can
Checking
the Pressure
Roller (36).
In the
the
the erase
unsoldering
shaft.
at the tape guide
2.
clean
the clips
forward
After
roller,
and the capstan
of poor
and capstan
Remove
from
4.
ReplacincTthe Pinch Roller (36)
Before
the
THE
that
holes
the sensor
arm
on the cassette
properl
housin(.;
!, detecting
the tape
type
de-
DN-730R
ADJUSTING
AND CHECKING
_ELECTRICAL SECT] _ON............
• Caution on adjusting
(1)
Before adjusting, clean the head surface,
pinch
roller with a gauze or a cotton
capsta_l ,_r_d the
swab moistened
with
alcohol.
(2)
Demagnetize
Checking and Adjusting the Tape Speed
(1) Connect the frequency counter to the LINEOUT tern_inal
and load test tape (SONY TY-224).
(2) Playback a test tape. At about halfway through the tape,
where the tape transport is stable, adjust the adjustment
points (RT305) on the P.W. BOARD (222 2778 ***) so that
the frequency counter will have a reading within the
range of 3,000 Hz +6 Hz. Fig. 3-1
3.
THE[
the R/P HEAD and the E. HEAD with
a head
(4)
Adjusting the Playback and Recording
Section
Procedure
Item
1
PLAYBACK
A-BEX
GAIN
TCC- 130
P.B.
A-BEX
Frequency
TCC-162B,
REC/P.B.
GR-2/60
Frequency
1 kHz, --40 dB
2
eraser.
(3)
,
F Counter
Completely
demagnetize
Unless instructed
the adjustment
otherwise,
©
set the various controls
PB Amp
as fol-
3
INPUT volume ............................................................. maximum
Adjustment
location
Fig. 4-1
PLAYBACK
RT-101 (L)
Adjust the LINEOUT output to 775 mV
RT-201 (R)
(O dBs).
Fig. 4-1
PLAYBACK
Fig. 4-2
REC. PLAY
Adjustment
0UT
3000 Hz
+6Hz
4
REC GAIN
conform
to Figure4-2.
_
RT-103 (L)
Record 1 kHz and 10 kHz alternately.
RT-203 (R)
Adjust each volume so the 10 kHz
PLAYBACK
GR-2/60
Fig. 4-2
playback
REC. PLAY
1 kHz, --30 dB
SONY TY-224
5
Tape Transport Check
REC/P.B.
GR-2/60
Frequency
Dolby NR C
_
Fig. 4-3
output is 0.5 dB in relation to
output.
RT-108 (L)
Adjust each volume to the playback output
RT-208 (R)
is the same as when the recording
is output.
REC. PLAY
Make sure that the DOLBY NR C recording
and playback characteristics
PLAYBACK
Figure 4-3.
r"
to make sure the tape edge does not come in contact with the
¢
tape guide section
Playback
The tape transport is the most important element in determining
i _
i°:
_
d i
.
[]
ol,,_.___J
.......
J
Frequency
Response
|
of a cassette deck.
Avoid moving the various adjustment screws, nuts, etc., as much
as possible
Refer to the pages on "Adjusting
and Checking the
Mechanism Section" when replacing or adjusting the R/P HEAD
.......
2.
Adjusting the Azimuth
(1)
After completing
the tape transport check, load the test
tape (A-BEX TCC-153).
(2)
Playback
+r
-4
-
! i! ....
--_
_6
Fig. 2-1
Fig. 4-1
20
50
_oo
200
SO0
B is minimum.
2=
_
10k
and section
Fig. 2-2
Record/Playback
-" _ "APE
''
,z
Frequency
J_
I
Response
[
_
t!!
I ii ,"f..,. , I
_._J_._l
_[
-I.
-2
L-€.
20_ {Mz)
] II
', !
,-,,-"
---I
.I
0
PO,'DOLBY
NR /
_
,,_
Overall
P
(do)
.6
.4
OSCILLOSCOPE
_4_
Tape A.BEX TCC-262B/162B
Fig, 3-1
;
/
A-_EX I _
tk
the test tape; adjust the azimuth screw so that
section A of the resurge wave form is maximum
i :ill
I I illl
;
!
]
I
I
i
i
1
-- --4-------.I
I,
-4
° _T
TAPE|
PB/DOLBY
NR
OUT
-'
-
I ;;i',[
_ _ !_J_!
20
50
_L___L_L_
I'
Fig. 4-2
_ ! l_
ioo
200
_00
k
2w
5_
Ta_
Dolby
HD-TE_60
NR
Level
Dolby
Fig. 2-1
C Record/Playback
Overall
Frequency
Off
-- 20
dB From
Dolb¥
Level
Response
till
.6_
__
_
1
:I
J
--•
.2---------+------i---_
IIII
90"
135"
180"
-5---
I
*
-is
_
i
20
Itlt
50
tOO
200
500
IK
2k
5k
Tope
OK
NG
Dolby
Level
Fig. 2-2
t0k
14k
.
20k(z)
HO-7E/60
NR
On C
--
20 dB
From
Dolby
Level
Fig.
4-3
30"
1
O"
1
lIII
-,--- I I
'
-2
_--,
-+---_
__--
°t ....
........
RESURGE WAVE
monitor
PLAYBACK
_
In the operational mode, illu-
minate the fixing guides of the R/P HEAD with a lamp and check
the performance
procedure
Make sure the playback characteristics
262B
the 1 kHz playback
DOLBY NR switch ................................................................. OFF
Load the transport check cassette
Mode
10 kHz, --40 dB
© TAPE SPEED volume ......................................... Center position
1.
Response
screwdriver.
lows.
©
Usage tape -input condition
conform
to
I
_LJI',4-/L._UHII
III I
I
II
I
I
I
I
_
II
EQUIPMENT
FOR ADJUSTING
AND CHECKING
1 ) MEASURING
TYPE NAME
TAPE
........
BRAND
TYPE NAME, BRAND AND USES
USES
TW-2111A!2121A
SONY
Checking the Take-up Torque and
Back Tension.
TY-2231
GR-2/60
TCC-153
TY-224
SONY
DENON
A-BEX
SONY
Checking
Checking
Adjusting
Checking
Speed.
the FF and REW Torque.
the FF and REW Times.
the Azimuth.
and Adjusting the Tape
TCC-130
TCC-162/262B
A-BEX
A-BEX
Adjusting the Playback Level.
Checking the Playback Frequency
Response.
TCC-902
A°BEX
Transport checking cassette tape.
NOTE FOR PARTS
LIST
ePart indicated with the mark " @ "are not always in stock and possibly to take a long period of time for supplying, or in some
case supplying of part may be refused.
eWhen ordering of part, clearly indicate "1" and "r' (i) to avoid mis-supplying.
eOrdering part without stating its part number can not be supplied.
ePart indicated with the mark "*"
2)
MEASURING
INSTRUMENT
Tension gauge
Audio signal generator
Variable resistance attenuator
Electronic voltmeter
Oscilloscope
Frequency counter
Adjustment
screwdriver
Trap coil adjustment
square stick
is not illustrated inthe exploded view.
eNot including Carbon Film :!:5%, 1/4W Type in the P.W.Board parts list. (Refer to the Schematic Diagram for those parts.)
WARNING:
Parts marked with this symbol
_
_1
have critical characteristics.
Use ONLY replacement parts recommended by the manufacturer.
• Resistors
Ex.:
• Capacitors
RN
14K
2E
Type
Shape
Power Resist- Allowable Others
1
andper"
formance
182
1
G
ance
FR
error
EX.:
2B
2E
1/SW
: 1/4W
F
G
: ±1%
±2%
P
NL
: Pulse-resistanltype
: Low noise type
CE
2H
: 1/2W
I J
±5%
NB
: Non-burmng
type
CA
RN
RK
RW
: Metal film
Metsl mixture
Winding
3D
3F
3A
3H
2W
3W
lW
:: 5W
M
t20%
F
: Lead
wire forming
CS
CO
CK
JK
: ±10%
FR
Fuse-resistor
Resistance
1
8
_t_
1H
Shape
Dielectric Capacity Allowable Others
2 --
1800 ohm -- 1.8 kohm
"1---
Indicates number of zeros after effective
2-digit effective number.
number
CC
CP
CM
CF
CH
Aluminum
foil
electro:ytlc
: Aluminum solid
electrolytic
: Tantalrn electrolitic
Film
Ceramic
Ceramic
Oil
Mica
Melahzed
Melalized
• Units: ohm
1
R
T
2 -[__.
2R2
and
per- strength
formance
_
: Metal oxide film
Carbon
Composition
04W
Type
1
RS
RD
RC
CE
M
BP
___J error
1
OJ
: 83V
F
±1%
HS
: High stability type
rA
lOV
G
±2%
BP
: Non-polar
lC
tE
1V
: 16V
25V
35V
J
K
M
±5%
: :t10%
±20%
HR
OL
HF
IH
2A
2B
2C
2D
2E
2H
2J
:50V
10OV
125V
160V
20OV
250V
:500V
630V
Z
: +80%
-20%
+100%
-0%
U
C
W
F
: Ripple-resistanl
type
: For charge and discharge
: For assuring high
frequency
: UL part
: CSA part
UL-CSA lype
Lead wire foming
P
C
O
--
type
÷O 25pF
±05pF
: Others
1.2 ohm
1-digit effective number.
2-digit effective number, decimal point indicated by R.
* Capacity
(except electrolyte)
a Units: ohm
L2
V
Capacity (electrolyte
2
T
2
2 --
22001tF
t[__
Indicates number of zeros after effective number
2-digit effective number
a Units: p.F.
2 R 2 -T
--
• Units: p.F.
10
only)
e Units: pF
2
T
2.2p.F
1-digit effective number.
2-digit effective number, decimal point indicated by R.
(More than
2) -- - Indicates
2200p.pF
0.0022pF number of zeros after effective number
2-digit effective number
2
I -L(0
220PF
or 1) --
Indicates number of zeros after effective number.
2-digit effective number
e Units: PF.
e When the dielectric strength is indicated in AC, "AC" is included after the
dielectric strength value.
III
DN--73OR
PARTS LIST OF GU-2778 AUDIO/METER
Ref. No.
Part" No.
SEMICONDUCTORS
l
Part
Name
UNIT
.[
Ref. No.
Remarks
RESISTORS
GROUP
(not
IC301
262 0590
001
IC302
262 08__006.
rC303
263 0720
IC304
263 g56'5 007_'1 IC BA15218
IC306
263 6711
IC307
included
PartNo.
_
Part Name
]
Remarks
GROUP
Carbon
_.
Film
_+5% 1/4
W type)
TCUPC1330HA
VRI01
211 6093
967
Adjust
47K ohm
VO6PB473T
VR 103
211 6093
9;'0
AdiJst
lOOK ohm
VO6PB104T
V8!08
211 6093
954
Adjust
22K ohm
VO6PB223T
000 _ IC M5218AP
VR201
211 6093
967
Adjust
47K ohm
VO6PB473T
263 0354
001
IC UPC1297CA
V8203
211 6093
970
Adiust
lOOK ohm
VO6PB104T
IC309
263 0565
007
IC BA15218
VR208
211 6093
954
Adjust
22K
JCSOI
262 0447
009
IC BA6109U1
VR301
211 0707
000
Valiable
lOOK ohm
16601
222 2045
001
_ Computer
VR304
2tl
0835
008
Valiable
5K oh'n
100-3B9
VR305
211 6093
9!2
Ad ust 4.7K ohm
VO6PB472T
IC X246008
R101,102
247 0010
987
Chp27Kohm
RM73B--273JT
IC UPC45706
004/IC
HA12170NT
/
IC602
262
IC901
263 0810
008
IC NJM7808FA(S)
8103
247 0005
947
IC902
263 0503
001
IC NJIV17908FA
8104
247 0010
974
Chip 24K
IC903
263 0793
002
IC NJM7806FA(S}
8105
247 0014
912
Chip 620K
IC964
263
IC NJM78LOSAT
8108
247 0014
967
Chip 1M
in Resistor
R_ 11
8i 12
247 0008
247 0009
!360 Chip 3.3K
943 I Chip 6.8K
in Resistor
8118
247 0009
985
8120
247 0010
!329 j Chip 15K
R132
247 0006
!362 ! Chip 470 ohm
8135
247 0007 '945
tC910,
911
1711 909
UPD78043GF-
ohm
3432 907
268 0072
003
IC.Protector
ICP-NIO
269 0074"9()7"
l';:a_si_i_'r
DTA114TS(10K)3"
TR102
269 0102
Transistor
DTC124EKT146
TR103
273 0245-900
Transistor
28C2603E/F
275 0048
I Built
VO9V25FA10Z.
V16_f251:BSO2MG
150 ohm
RM73B--151JT
ohm
RM73B-243JT
ohm
ohm
RM73B..-624JT
, RM73B--105_,T
ohm
ohm
RM73B--332JT
RM73B--682JT
J
i
TR101
' Chp
VO6PB223T
(INPUT)
905
Built
I CYip 1OK ()bit
RM73B-103JT
/
TR104
T
ohrr
i RM73B-153JT
912
Transistor
2SK381(B)/(C)-T
269 00:88 906
Transistor
DTC114TKT96
Built
in Resistor
TR111-113
269 0088
906
Transistor
DTC114TKT96
Built
in Resistor
8140
247 0011
986
Chip 68K
TR114,
269 0!02
905
Transistor
DTC124EKT146.
Built
in Resistor
i
R141
247 0011
944
Chip47Konm
TR201
269 0074
907
Transistor
DTA114TS(10K)
Built
in Resistor
!
R142
247 0012 927
TR202
269 0102 905
Transistor
DTC124EKT146
Built
in Resistor
i
8143
247 0010 929
! Chip
15K
ohm
RM73B-153JT
TR203
273 0245 900
Transstor
2SC2603E/FT
',
8144
247 0011 902
i Chip 33K
ohm
RM73B--333JT
TR204
275 0048
912
Transistor
2SK381(B)/(C)-T
!
8!45
247 0005906
Chip 100 ohm
RM73B--lO1JT
269 0088 906
Transistor
DTC114TKT96
Built
in Resistor
i
8150
, 247 0012 969
I Cqip
T8211-213
269 0(!88 906
Transistor
DTC114TKT96
Built
in Resistor
i
8151
_ 247 0010 929
Cqip
TR_307
26 c 0040 902
Transistor DTC144ES(47K-47K)
Built
in Resistor
TR308
272 0025 907
Transistor
2SB562(C)TF
273 0245 900
Transistor
2SC2603E/F
TRI08,
109
115
TR208,
209
TR309,
310
T8370
269 0018 905
Transistor
T
BTC143ES(g.7K-47K}
:4i56
/
I Bui{t {n Resistor
:= ,
.......
,
I "247 0005 905
! Cf ip 1K ohm
ohm
] RM738
I RM73B--683JT
RM73B-473JT
Chip lOOK ohm
'
-471JT
[' RM73B-.-lO2JT
150K
RM73Eb-lO4JT
ohm
RM73B-154JT
15Kohm
RM73B--153JT
Chipl00'ohri
RM73B-101JT
0160
247 0010 961
Chip
22K ohm
RM73B--223JT
i
TR371
269 0022 904
Transistor
OTA143ES(4.7K-4.7K){
Buiff in Resistor
R161
247 0012 927
Chip
lOOKohm
RM73_--104JT
T8507
269 0062
906
Transistor
OTC124ES(22K-22K)
Built
in Resistor
R162
247 0010 961
Chip 22K ohm
RM73B-223JT
TR508
269 0!316 907
Transistor
OTA144WS(47K-22K}
I Built
in Resistor
R163
247 0006, 988
! Chip
560 ohm
TR515
T8552,
26!} 0318 905
26!) 0391 906
Transist0"
Transistor
0TO143ES[4 7K-4.7K} I Built
DTC143TKT96
' Built
in Resistor
in Resistor
R164
247 0006 975
Chip
510 ohm
8175
247 0014 967
Chip
!Mchrq
[RM73B--105JT
TR554_556
274 0036 905
Transistor
:_177
247 0007 974
i (:hip
13K
o_m
I RM79B--132JT
TF557
26)
Transis_orDTC124XS(22K-47K)
Built
in Resistor
8178
242 0009 914
'_(;hip
5.1K ohm
] RM72B--512JT
TF,558
263 0082
902
i Transistor
DTC114EKT96
Built
in Resistor
3189
247 0009 901
! (.'hip
4.7K ohm
i RM788-
T8559
269 C054 901
Transistor
DTC144EKT96
Built
in Resistor
=;181
247
0008 902
: (.'hip
1,8K ohm
i RM73B--182JT
R189
242 0017906
("hip
lOMohm
!
Built
;n Resistor
R199
247 0010 974
(;hip24K
8201,202
247 0010987
Chip27Kohm
RM73B--561JT
1
553
TR560,
472JT
Transistor
2SA933(R/S)T93
269 C122 901
i Transislor
DTC144WKT146
TR904
272 0025
907
_Transistor
2SB662IC)TF
DI55
276 0432
903
i Diode
188270A
TE
8203
247 0005 947
i Chip
150 ohm
! RM73B-
1EIJT
0255
276 0432
903
i Diode
188270A
TE
8204
247 0010 974
!Chip
24K ot'm
l: RM73B-
2:3JT
2_6 (1432 903
I Dioce
18S270A
TE
R205
247 0014 912
I Chip 620K
316
271 0183 92-7
2SD468(C}TF
TRT01
D3i5,
561
0015 908
RM73B-51}JT
RM73B-243JT
IIRM73B--273JT
ohn-
276 0432
903
Diode
ISS270ATE
8208
247 0014 967
0503
276 0553
905
! Diode
18R35
8212
247 0009 943
) Ct]ip
6.8K ohm
' RM73B--682JT
276 0432
903
0553
905
! Diode
r
I Diode
lSS270A
2/6
1SR35-200A(T93X)
R218
8220
247 0009 985
247 0010 929
) Chio
Chip
1OK ohm
15Kohm
I RM73B -103JT
RM73B-153JT
276 0432
903
Diode
188270A
TE
8229
247 0009 956
iChip
75K
I
276 0432
903
ij Diode
1 SS270A
TE
R232
247 0066
962
[ Chip
470 ohm
I RM73B-752JT
RM73B- 471JT
0901-904
2!6,3553
905
i Diode
1SR35-200A(T93X)
R235
247 0007
945
[Chip
1K oh'n
RM73B--102JT
D910,911
276 0553
905
Diode
1SR35-200A(T93X)
8240
247 0011
986
Chip
C915,
276 0553
905
Diode
1SR35-200A(T93X)
8241
247 0011
944
Chip 47K
276 0468
276 0468
906
Zener
906 / Zener
R242
247 0012
927
] Chip
lOOK 3hrq
8243
247 00" 0 929
i Chip
15K ohm
RM73B--153JT
8244
247 0011
902
Chip
33K ohm
RM73B--333JT
RM73B--lO1JT
0517,
518
0553
0554
TE
ohm
i RM73B--624JT
D320
200A(T93X)
Chip 1M
RM73B--lOSKT
ohm
ohm
IRM73B-lOSJT
J
D601,
602
i
ZD304,
ZD410
916
305
Diode
Diode
HZS9B-1TD
HZS9B-1TD
ZD531
276 0468 906
Zener
Diode
HZS9B-1TD
2D551
276 0457 904
ZD552
276 0465
2'.D907
210912
ZD913
68K oqr'P
ohm
Zener
Diode
HZS4C-1TD
R245
247 0005
905
Chip
100 ohm
909 I Zener
/
276 0463 901
Zener
Diode
HZS7B-1TD
8250
247 00'12 969
Chip
150K
Diode
HZS6C-1TD
R251
247 00!0
276 0482 908
Zener
276 0472 905 _Zener
±
Diode HZS27-1TD
D ode HZS11C-1TD
929
i Chip
ohm
15K chrr
RM73B
-6_3JT
RM73B-473JT
' RM73B÷-IO4JT
RM73B--154JT
RM73B--153JT
11
mBIDN-730R
T
Ref. No.
i
- Part No.
Remarks
Part Name
Ref. No.
CAPACITORS
R253
247 0009
Chip
1OK ohm
R256
247 0005 905 1 Chip
100 ohm
24t 73014 987 / Chip
1M ohm
R257
R260
985
"247 0010"961
R281
247 0012
R262
R263
'
R280
R289
R299
/ Chip
Chip
22K ohm
Chip
560 ohm
961
247 0006
988
247 0008
944
Chip
2.7K ohm
247 0017
906
Chip
IOM
R301
Chip
Chip
24K ohm
22K ohm
R321
247 0010
945
! Chip
18K ohm
R330
247 0009 985
Chip
1OK ohm
R331
247 0009
R332
241 0007 987
I Chip
1.5K ohm
247 0007
I Chip
1.2K ohm
I Chip 4.7K
R336,
337
247 0008
R36_
361
247 0012 943
957:- {-Chip-3K
I Chip
247-0009
! Chip 4.7K
RM73B--561JT
RM73B--272JT
RM738--106KT
ohm
974
961
961
RM73B--223JT
RM73B--223JT
247 0010
247 0010
R334
RM73B--105JT
RM73£--lO4JT
247 0010
901
RM73B--lO1JT
lOOK ohm
927 J Chip
RM73B--243JT
! RM73B--223JT
RM73B--103JT
RM73B-
472JT
i RM73B--152JT
I
I RM738--122JT
! RM73B302JT
I
I RM73B-124JT
ohm
ohm
R36
901
247 0009 985
Chip
37t
247 0001 983
i Chip 4.7
R401,
402
2470012943
i Chip
120K
ohm
lOOK ohm
220 ohm
i 247 0012 927
2z.7 0005 989
I Cqip
] Chip
R405
i 2z.7 0004
922
I Chip 47 ohm
2z7 0012
927
i
I Chip
I
100K
R406
R501-506
R507
i 2470012927
247 0011 944
, Chip
. Chip
lOOK ohm
47K ohm
247 0015
940
Chip
ohm
2.2M
257 0O09 979
996
C109
257 O0O9 937
C127
257 0005
C142
257 0005 944
C150
257 0008
996
C151
257 0910
900
Chip (Ceramic)
Chip (Ceramic)
0.0012 pF/50 V
0.01 IaF/50 V
C152
257 0004
961
Chip
c) 100 DF/50
C153
253
C154
257 0011 967
C155
257 0,310 942
Chip (Ceramic)
0.022 BF/50 V
i CK7381H223KT
C201
257 0008
996
Chip (Ceralnic]
0.0012 gF/50 V
I CC:73SL1H122JT
C203
257 0009 979
Chip (Cerami<
0.0C56 gF/50 V
} CK7381H562KT
0.0C27 pF/50 V
! CI< 7381 q272KT
Chip (Ceramicl
, CC73SL"
H122JT
CK7381H562KT
Chip (Ceramic)
0.0027 gF/50 V
CK73B1H272KT
Chip
(Cer_m
c) 150pF/50V
CC73SL'IH151JT
; Chip
i
(Ceram
c) 220 pFi50
V I CC73SL1H221JT
902
1131 909
(Ceram
Ceramic
390 pF/500
Chip lCeramiC) 0033
CK73Bl14122KT
, CK73B114103KT
V _CC73SLIH101JT
V
CK45B214391KT
_F/25 V
i CK73B11-333KT
C209
i 257 0009
937
Chip (Cera'qic'
C227
i 257 0005
902
Chip
{Ceramic}
150pF/50V
CC73SL1H151JT
C242
i 257
0005
944
I Chip
ICerarnic)
220 pF/50
V._ CC73SL1H151JT
C250
! 257 0008
996
i Chip(Cera_<
C251
257 0010
90C
267 0004
961
C253
Chip
,Chip
C2.54
00[,12,uF!50V
ICK73B1H122KT
{Cerarnic)
0.01 uF/50
:Ceramic)
100 pF/50V
Ceramic
[ 253 1131 90 c,
! 257 0011 967
39(: pFi500
V I CK73B1HIO3KT
CC73SL1H101JT
V
CI<45B2H391KT
Chip (Ceramic_ 0 033 uF!25 V
CK7381E333KT
257 0010
C350
i 257 0013
907
Chip (Ceramic) 00,17 pF/50 V
CI<73B1H473ZT
I RM73B_-lO4JT
C352
257 0002
921
Chip
CC73SLIH100DT
I Rlv173B--221JT
C353
257 0009
940
! RM73B--470JT
, RM738--104JT
C354
257 0009
94(}
C355
257 0010 90(}
124JT
RM73B--104JT
C356
! 257 0009
94,1' I Cmp (Cerami(:_ 0.022 gF/50 V
(Ceran'ic)
10 pF!50
V
.Chip(Ceramic100033#Ft50V
Chip(Ceramir)
Chip
!CY73B1H332KT
00033![F/50V
(Ceran" ic) 0.01
C1<7381H223KT
ICF73B1H332KT
!LF/50 V iC1',7381, H103KT
995
Chip(Ceramir)
C402
i 257 0002
92_
Chip(Ce-ar',ic)
C403
I 257 0014
935
Chip(Ce-amic}C.1
pF/50V
[ 257 0008
98.'}
Chip (Ceramic) 0001
pFiSO V
CK73B1H102KT
257 0008
983
Chip {Ce_mh:}
0.001 ,uF/50 V
! CC7381HlO2KT
i RM73B-473JT
ohm
0.0012 p.F/50 V
Ch_p (Ceramic_ 0.0056 gF/50V
C255
,_RM73B-
ohm
R403
R404
257 0008
C103
C252
472JT
i RM73B-.103JT
i
i RM73B4R7KT
lOKohm
R37[
_ R508
RM73B-
ohm
Remarks
i
I RDi482E220GFRST
R364
Part Name
C101
! RM73B--!83JT
ohm
120K
_
GROUP
i
RM73B--lO3JT
22K ohm
Part No.
.[
0.0082#F/50V
!CK73B1H822KT
i
RM73B--225JT
10pF/50V
iCC73SL1HlOODT
ICK73F1ElO4ZT
I
R510.
511
247 0011 944
R513,
514
ii 247 0012 927
Chip 47K
I Chip
R516
i 247 0018
R518
,i 2:17 0009 985
] Chip
1OK ohm
i 2,;7 0009 985
I Chip
lOK ohm
2,;7 0009 985
Chip
1OK ohm
R520,
521
R540
R556
905
ohm
ChipOohm
2,;7 0010 961
R557
247 0009 985
Chip
:' Chip
R558
2,;7 0010 961
Chip
R559
2,;7 0009 985
! Chip
R560
247 0007 945
RM738--473JT
RM73B-104JT
tOOK ohm
[ Chip
i RM73Bi RM73BRM73B-
103JT
C506
C507
RM73B-
IOK ohm
RM736,
l
223JT
RM73B
1K ohm
2¢4 2055 970
Metal oxide film 56 oqm l W
2470007987
Chip
R571
247 0018 905
R573
247 0009 956
R574
247 0009 985
R577--580
247 0012 927
(,hip
i
! (:hip
i (:hip
103JT
(Fusible)
RD14B2ElOOGFRST
RM73B
OROKT
RM73B
752JT
: 247 0012 927
(:hip
lOOKohm
247 0010916
('hip
13Kohm
R603, 604
247 0007 945
[ (,hip
1K ohm
R605,606
247 0012 927
R610, 611
2470007945
i Chip 1K ohm
R612
247 0007 945
i (:hip
Chip lOOKohm
1K ohm
1OK ohm
RM73B
I:
983
! 257 0008
983
257 0013 910
552
25/
0010
900
' 257 0011
941
C554
25;
0010 900
C555
254 4403
C60! -603
257 0008 983
C604
257
713
RM73B-
T013 977
C902,
903
i 254 4,403 718
C906,
907
257 13013 910
104JT
RM73B-tlO2JT
[ RM73B-
104JT
V
CK73B1 H102KT
CK7381 HIO2KT
! Cqip (Cerami(i
i RM738_
•
102JT
!RM73B--103JT
247 0005 947
_(2hip 150 ohm
RM73B--151JT
R652
247 0005 963
i (Chip 180 ohm
RM73B-181JT
Chip (Cerami() 001
I Electroh/tic
1000
C<738
V
Chip .[:er;{mh:)
0,001 HFi50 V
0.068 uFi50 V
[ Electrol,,tic
10011 pF/25
i Chip [Cer)mi,;)
: CK73B1HlO2KT
Electrol,,'tic
2200
pFi25
i Electrol;'tic
4700
gF/6.3
C911
257 9013 910
C913
2%; 4414
C918
257 0913 910
Chip (Ceramc)
0.068 uF!50 V
CK73B
R126
257 0008 983
I C'fip (Cerami:)
0001 !_F,'50 V
CK73BlH102KT
R169
257 0008 967
[Chip
R226
251 0008 983
707
: Chip (Ceram:;)
Electrolvtic
R269
I 232 0109 003
I
235 0020 945
MPX
Filter
Inductor
1E3JT
Inductor
8,12JT
HX
up col
R662
`1'47 0005 963
(Chip 180 ohm
RM73B--181JT
L201
232 0109 0(}3
MPX
Step
Filter
R664
,i!47 0006 917
Chip 300 ohm
RM73B-301JT
L203
235 0020 945
Inducto"
153JT
R666
R670
2.47 0006 956
247 0005 947
Chip 430 ohm
Ch p 150 ohm
/ RM73B-431JT
L204
235 0020 9!6
Inducto-
82.2JT
RM73B--151JT
L205
239 0010 009
HX Step
up coil
R672
247 0005 963
RM73B-181JT
L301
23!
OSC
! RM73B--301JT
[ RM73B-
431JT
.
] H683ZT
C[ 04W1 H471MC SMQ,
580 DFi50V
! H683ZT
CK73B1H681KT
PARTS
239 0010 009
430 ohm
CK73B
V
! [hid (Ceramic) 0 001 pF/50 V
CK73B1HlO2KT
i
.
. 25? 00_08 9€7 iChlp
,C_,rarn,c) 680 pF!50 V _CK73BIH681KT
L103
L101
tCerarnic)
0078 005
Coil
SMG
C-04WOJ472MC _SMC!
V
0268 ,uF/50 V
470 uF/50
235 0020 916
300 ohm
C:04W1E222MC
V
SMG
1H683ZT
796
OTHER
I
CK73B
721
L105
I Chip
C!i04W1EIO2MC
254 4250
L104
180 ohm
CK73B t H683KT
V
254 4403
(Chip 150 ohm
Chip
H1 03KT
CEO4WI _102MC SMG
0068 [LFi50 V
('_.hip 300 ohm
12
pF/25
i C_ip :Cer;imi<}
2,:47 0005 947
LChip
C <738" E223KT
i Chip _Cer !'nil:) 0 01 t[Fi50 V
2_47 0006 917
247 0006 959
C <73B" HIO3KT
HF/50 V
! Chia iCeram;(:) 0 022 FF/25 V
R654
247 0006 917
C:<73B_ H683ZT
0058 !tFi50 V
R660
R676
[IF/50
C910
i RM73B--102JT
247 0009 985
R674
i CK73B1H102KT
LtF/50 V! CK73B1H103KT
Chip (Cer_Lmk) 0 001 _[FiSO V
Chip (Cer_£rli:) 0 001
i
! RM73B--133JT
R613
i
[aF/50 V
0.01
C908
103JT
RM73B-lO4JT
R650
I
i 257 0008
516
-103JT
RM73B-
R602
IChip
RS14BSA560JSTISb
7.5K ohm
R581
513
C515,
C551,
102JT
0 ohm
1OK ohm
C512,
<Ceramic)
i RM75B.-152JT
1.SKohm
(::hip lOOK ohm
Chip
: RM73B,-103JT
ohm
Caibo_ Flim 10 _hm 1i4w
_Chip 10K ohm
900
C553
R562
} 241 _3_'59i2
24.7 0009 985
Chp (termini,:) 0001
257 0010
Rl'v173 B 223JT
22Kohm
R561
....
565
983
510
C517
I
,'_& R563
R564,
257 0008
C509,
!
RM73B--103JT
22 ohm
IOK
OROKT
103JT
C501 _504
T
....
IDN-730R
PARTS LIST OF 3U-2603
Re1. No.
i
XT501
SW610,
PL601
art" No.
Part Name
399 0107
007
393 8002
009
: Ceramic
Ref. No.
Remarks
Oscillator
_FL Tube
614,
616, I
620,
622, i
624,
628,
626,
630,
632,
634,
Tac!
Part No.
UNI'I"
Part Name
CTS4.19MGW
SW901
FIP6BGM6
CN191
205 0711
075
7F' TBG
CN901
205 058t
001
2P VH Conne;tor
612,'
212 5604_910
POWER SUPPLY
212 0286,303
', Power
Remarks
Switch
Connector
Base
Base
For AC Corc
Switch
636, 638,
JK301
I 204 8261
003
, 4P Pin Jack
JK302
: 204 8264
026
) Head
j 204 8416
! 205 0880
007
003
,IMini Jack
'_23P FFC Connector
Base
I 6P Connector
: 3P Connector
Base
Base
(KR-PH)
(KR-PH)
4PConnector
Base
JK303
CNI21
CN122
i 205 02;43 061
J 205 02143 032
CN131
049
i LINE IN, OUT
phone
Jack
HEAD
CN141
205 0343
CN191
205 0711 075
, 7P TBG
CN301
205 0343.05&
LB_coonector
CN302
205 02_43 Q32 ! 3P Ccnnector
W122
204 0265"_78
_ 6P KR-DA
Connector
Cord
W131
203 4753046
i 3P KR-DA
Connector
Cord
W141
203 6374 025
4P KF',-DA
Connector
Cord
Wl51
204 2326 009
Connector
Cord
Connector
PHONE
i CD SYNCRO.
i
i
(KRPH)
WARNING:
Base
•
Base
(KR-PH)_
Base
(KR PH)
Parts
marked
to safety,
with
i
and/or
shading
have
special
characteristics
important
i'
I
! 7P KR-DA
t
W,_51
208 6;!36 066
! 4P KR-DA
Connector
Cord
W_52
203 8:!16 042
I BP KR-DA
Connector
Cord
WARNING:
•
Paris
marked
with
'i"
and/or
shading
have
special
characteristics
important
to safety.
Be sure
to use the
specified
parts
for replacement.
13
m
E)N--730R
PARTS LIST OF EXPLODED VIEW
Ref. No.
" Part No.
Part
Name
Remarks
WARNING:
•
Hi
1
411
411
i_
2
1000 652
i CHASSIS
i
1000 681j
CHASSIS
41 l. 1000 665
! CHASSIS
412 _'523 115
EARTH
Europe,
U.S.A.,
Parts
3
105
4
3:38 0168
0787"107
Canada
Be sure
Multi-Voltage
•
9
412
11
414 0637
period
refused.
MECHANISM
BUSHING
009
PLATE
SHIELD
LABEL
12
104 0208:2.1:42
•FOOT
13
GU 27,38
#UDI0/METEB
13-1
ASS'Y
P.W.B
AUDIO
P.W.B.
METER
P.W.B.
UNIT
13-2
--
133
--
134
--
14
3U-2603
15
205 0712
074
7P TBG-S
16
204 8261
003
4P PIN JACK
18
211 0707
000
VARIABLE
19
412 3951
003
21
211 0835
008
VARIABLE
22
204 8264
026
HEAD
23
393 8002
009
FL TUBE
25
4:31 03t0
046
POWER
26
1!3
27
113 1436 393
28
113 1480 255
! PUSH
29
113 1438 045
] EJECT
30
112 0515 173
VOLUME
KNOB
31
112 0727 042
VOLUME
KNOB
32
1,33 1650 101
FR(]NT ESCUTCHEON ASS'Y ,:TK;,
33
1_3 0765 215
METER
WINDOW
34
134 2309 216
FRONT
PANEL
35
133 1511 318
CASSETTE
BOX
36
4,53 0655 009
CASSETTE
SPRING
I H/P JACK
VARI
P.W.B
PITCH P.W.B.
POWERTRANS
PWB.
UNIT
CONNECTOR
RESISTOR
lOOK
RESISTOR
5K
PHONE
PUSH
(FIP6BGM6)
SWITCH
KNOB
FUNCTION
(FL601)
LEVER
(B)
KEY
KNOB
(A)
KNOB
(C)
I
37
463
38
1,33 1660 007
39
421
9007 007
MINI
40
414
0595 015
j [ARTH
41
203 2279 014
2C TERMINAL
45
1,32 0434 419
TOP
46
473
8047 001
SPECIAL
47
412
3676 207
EJECT
LEVER
48
412
3628 006
LEVER
STAY
49
463
8238 004
SPRING
50
412
3677 015
i MOUNT
51
445 8028
BOX
SPRING
(R)
I
o
14
009
CASSE_FE WINDOW (A} ASS"/
DAMPER
PLATE
WIRE
COVER
CORD
SCREW
tB)
BRACKET
HOLDER
53
513 2150 001
I WARNING
SHEET
54
412 3942
I VOLUME
BRACKET
101
473
102
477 0262
103
473
104
473 7509
105
473 7500
106
413
!07
473 7007
039
4 x 20 CBTS(SFB
108
47t
013
2 x
009
7508 017
006
7502 013
3 x
10 CBTS(P)-B
SPECIAL
SCREW
4 ×
10 CBTS(P)-Z
058
4 x
12 CBTS(P)-B
044
3 x 8 CBTS(P}-B
7002 018
3 x 8 CBTS(S)-Z
3102
5 CBS-Z
V1620V35FAS02 tMGI
JACK
ASS'Y
0659 018
(JK3011
:V0920V25FA104
I REFLECTOR
1481 364
to use the
Part indicated
COVER
CASSE]-FE
2OO8 012
_
and!or
shadirg
I-ave
special
characteristics
important
with
specified
the
mark
parts
_
for
replacement.
are not always
in stock
and
possibly
to take
a
BRACKET
BOTTOM
009
with
to safety.
long
o5
marked
U.K.
3T
of time
for
supplying,
or in some
case
supplying
of part
may
be
DN-730R _
4
EXPLODED
6
VIEW
A
C
D
0
WARNING:
Parts marked with this symbol
/_
_
have critical characteristics.
Use ONLY replacement parts recommended
by the manufacturer.
B
15
_DN-730R
4
EXPLODED VIEW OF CASSETTE
A
D
•
16
\
MECHANISM
DN-73OR_
PARTS LIST OF CASSEI-[E MECHANISM EXPLODED
VIEW
Ref. No.
Part No.
Part Name
Remarks
PARTS LIST OF PACKING
Part No,
1
505 8092 007
503 1079 005
LAMINATE ENVELOPE
CUSHION
501 1698 037
601 1853 005
CARTON CASE
CARTON CASE
505 0038 030
POLY COVER
1
511 2682 007
INST. MANUAL (5)
t
399 0250 006
1
203 2360 004
REMOTE UNIT (RC-41)
2P PIN CORD
203 4880 003
3P MINI PLUG CORD
515 0692 004
DEL WARRANTY COM
U.S.A. Only
1
502 0852 000
PAD ASS'Y
U.K. Only
1
9DF 5170 49
IDLER
3
3
9DF 5642 85
REEL MOTOR
4
4
9DF 6121 51
CHASSIS BASE
5
9DF 6230 37
REEL BASE
6
9DF G156 11A
SCREW 2.6 × 6.4 ZN
7
9DF J111 17
WASHER 1.7 x 0.25T
8
9DU J12V 11
POLY WASHER 2.1 × 0.25T
10
9DF C52E 47
HEAD BASE
11
9DF K26N 14
HB SPRING
12
9DF D45T 17
HEAD SPACER
13
14
9DF U192 11
ERASE HEAD
R/P HEAD
16
=', 17
18
9DF U18K 12
9DF K21U 11
9DF 5252 56
9DF 5673 52
9DA W13G 00
SPRING
MAIN MOTOR
CONTROL P.W.B. Ass'y
REEL SENSOR (GP2S04B)
PUSH SWITCH
19
9DU E16E 11
20
9DF C39S 33
EJECT PROTECT ARM
21
9DF C52H 12
CASS E'I-FESPRING
24
9DF D45G 21
PLAY ARM
25
9DF D45B 16
CAM GEAR (3R)
26
9DF D44T 14
REC. SENSOR LEVER
27
9DF D44Y 12
PACK SENSOR LEVER
28
9DF D44V 12
METAL SENSOR LEVER
29
3O
9DF F17W 31
9DF Jt 11 30
MAIN BELT
POLY WASHER 2.6 x 0.25T
31
9DF J111 14
POLY WASHER 2.6 X 0.5T
32
9DF K28M 12
EJECT PROTECT SPRING
33
9DF K28R 11
SLIDE SPRING
34
9DF R22H 11
FLYWHEEL Ass'y
36
9DF R20L 22
38
9DF Gl14 14
PINCH ROLLER Ass'y (R)
SCREW 2.6 x 5 ZN
39
9DF G15S 11A
40
9DU G13U 15
41
9DU G206 11
WAVE SCREW 3 x 8 ZN
42
9DF 7652 63
SOLENOID
43
44
9DF L39H 12A
IRON CORE
5!
9DF L39K 12
9DW H63P 05
52
53
9DW H55L 05A
9DF G137 18
PLUNGER
ERASE HEAD CORD
R/P HEAD CORD
2 x 9F LOCK SCREW
54
9OF F17C 12
HOLDER CUSHION
5
6
7
8
9
10
11
Part Name
[ PACKING & ACCESSORIES _
Ref. No.
2
15
& ACCESSORIES
Remarks
FOR SET
Q'ty
1
2
1
U.K,
1
2
1
5020852000
PAD ASS'Y
(U.K.ModetOnty)
WARNING:
• Parts marked with
/_
and/or shading have special characteristics important
to safety.
Be sure to use the specified parts for replacement.
5031079005
2034880005
3P
MINIPLUG
CORD
2032560004
PiN CORD(2PCS)
5050038030
POLY COVER
SCREW WITH STEP (7,7)
E RING
5058092007
LAMINATE ENVELOPE
5011698037
CARTON CASE
/_(Cu,_O11853005
RTON CASE
.ModetOnty)
3990250006
REMOTE UNIT(RC-41)
5150692004
DEL WARRNTY COM.
(U.S.A. ,CANADA Mode I. Onty)
17
_I
UN-73ON
4
Lp.w.
BOARD OF GU-2778 AUDIO/METER
UNIT
A
_I ,°.°°
I
B
E
i
18
..
I
ON-73ORH
i "P.W. BOARD OF 3U-2603
POWER SUPPLY UNIT I
DENON
3U-2605
2222603005
JV"
4vJV2
JV_
JV4
e,--
JV5
SW901
POWER
SWJ'[CH
JV6
JV7
T901
=OWER
_[RANSFORMER
1
÷
CN191
r.
JV904
E 1 (240V)
oH
->v
_r
Jvg03
EU.EC.EA.EK
SW902
VOLTAGE
SELEC-OR
I
w
0
I
0 "_° l
I 0
Remarks
1. The following table shows the power circuit parts used for the 3U-2603 board by area.
2. Parts used are marked O, ]:)artsnot used --.
F
:
Ref.No.
i Areas
I
Europe
Power Trans
Voltage
part No.
Selector
FUSE
F901
2335985005
U.K. (EK)
U.S.A.
(El)
& Canada
23:35760000
(E3)
2335758009
JV903
JV904
JV905
i
I
!
(E2)
Multi.Voltage
JV901
O
I
O
oo t_
19
_
E)N-730R
SEMICONDUCTORS
• IC
1
--
5
3 GND
2 INPUT
! OUTPUT
I
--,,,j----
32
vST[Z
•
NclT 0
-, E_
,,_
_'cc
8'-_
Bou,
VCC
NC
VRI
V IN(R)
NJM7908
vR2
I I_
X24C00S
NcIT
----ISCL
PH2
PHI_
CIN1E
VSS E
5-_
SDA
3 INPUT
C OU _r 1 [_
•
M15218AP
•
pPC4570C
•
TL4558
2 GND
v OUT
I!
_2_]V 01. f 21
I OUTPUT
V OUT
•
X24('00S
12_
SN°
_V
O,. T 22
_]
V Irl(0)
3 2
•
,uPC 1297CA
•
NJM7808
•
NJM7806
vcc
PS tu
PB
BA_
_t£F
C/8/O_F
_. OLP"
FT:
,_R LN
p_
OUT
$SI
$52
¢c_
•
LLS
D_I"
R£¢
O,J't
#PC1330HA
,I, HA12170NT
20
_ ....
-
DN-730RI
[_BUNDLE DIAGRAM
•
j
I ransistors
S (Source)
G (Gate)
D (Dra,n)
.J
I0
B
E
I
_NuJT
E
•
•
2SA933
2SC2603
•
2SC1740
•
•
•
2SK381
2SB562
2SD468
v OUT 1 E
vzt_"
v_ r;
FIN
E
(3)
(B)
(2)
Ri
(C)
RIN E
(2)
(3)
(B)
(2)
(3)
Ri
O
_
{B)
R2f
VCC 1 E
(1)
I
_(E)
(1)
l
_(E)
(1)
L----O( E )
VCC2
O
VZ2
v OUT2
r_
•
BA6109U1
1:
Emitter
2:
Collector
3:
Base
•
DTA143ES
•
DTC124ES
•
DTA144WS
•
•
DTC124XS
DTC143ES
•
DTC144ES
(2) R,
(3)
_----t--I_ -°(c)
(BI R_¢ l (_)
•
(2) R,
c "::
_8,
DTC114TS
(3)
K2-°_c)
I
/
_---_--O(E)
(')
L--O(E)
1:
Emitter
•
DTA114EK
•
DTC114TK
2:
Base
•
DTA124EK
•
DTC143TK
3:
Collector
• Diodes
64
40
65
(2)
(3)
RI
(B) @__o
(C)
R2_ I
IC2ZI2Z
t4
r--.,r-rI
O
==zx=
L_
80
25
j-q
•
ISS270A
•
HZS4C-1
•
HZS11C-1
•
DTCI44WK
•
ISR35-200A
•
HZS6C-1
•
HZS27-1
•
DTC144EK
•
HZS6B-3
•
HZS7B-2
•
DTC124EK
•
HZS9B-2
iHH HHHHHHUHHHUHHUHHHHHHH2
•
m
•
HZS6C-2
•
HZS9B-1
UPD78043
(p COM)
21
/DN-730R
L WIRING
DIAGRAM
;
LINE IN
LINE OU_
JK301
GU-2778-3
g
..j
g
_
_
5
HEADPHONE
or-
CN301
REC/PB
Lch
HEAD
_,_q.._
REC/PB
Rch
HEAD
.._.._
CN131
PHONES
JACK
GND
Lch
Rch I
+B
P.W.B
W131
...,..._/% n
REMOTE
REMOTE
II CONTROL
II JACK
GND
GU-2778-4
VARI PITCH
JK303
P.W.B
CN141
HEAD
GU-2778-1
AUDIO P.W.B
SPEED
C
SPEED
D
_141
/-"!
GNO
MOTOR
W151
REEL
MOTOR
REEL (REW)
T901
POWER
TRANSFORMER
REEL (FF)
SOLENOID (-)
CN191
CAPSTAN (-)
--0
CONNECTOR
+ 12V
;N191
SPEED-A
CAPSTAN
MOTOR
SPEED-B
AC IN
CASSETTE
MECHANISM UNIT
CN121-1
POWER
TK
SENSE
SP
SENSE
CN251
CN121-2
SP-PULSE
÷ 5V
GND
TK-PULSE
COMMON
CHROME
CHROME
PACK
PACK
REC
REC
METAL
METAL
W252
22
CN252
GU-2778-£
CONTROL P.W.B
SUPPLY
P.W.B
DN-730RI
SCHEMATIC
DIAGRAM
j
_VR30
e
LiO_
MpXIF
ILTER
,o/5o
Ct22
• 7/35
_i4o
2SK3_I[B/C]
C307
I
_.O/1G
IC
30_
= M5218AP
ioo
R145
301
I
-'m
''e°K'
INPUT
R133
JOmper
RiS9
tOM
Jumper
R233
tOM
R28g
R144
33K
R244
33K
I
V_q
4P--PIN--JACK
Rch
REC/PB
HEAD
R245
I00
28K38t[B/C]
I0303
0303
HAI2i7ONT
L
Ri99
w
Dgot,
ogio,
Rch
g02,903,904,
9_i,9i5,9i6,
ACK
ItSR35-2OOA
CNl3i
D517,5i8,905.906
Wi31
_'3_1_77B
J304
::j=
TRIDS,
20B,
_
PHONE
I09,209
:DTCZi4TS
10/25
C_65
15K
--
R299
24K
24K
.,
4.
IC902
7/35
C222
t0/50
L _ 03
iSmH
Z0304.
I
ZD305
o\
MO
U
R_77
t.
3OK
3K
O, 082
IK
R372
t5mH
L203
1C307
DTC,43ES
4. 7/35
uPCI297CA
DO
130
o
$o
_250
t50K
I
LOS
C251
O, Oi
I:0904
O
LL
12K
STOP
PAUSI
REMOCON
300
;;-
430
;%;
6190
,,,
hhhh
-
PLAY
BOX
-
FF
-
REW
REC
SCHEMATZC
REMOTE
CONTROL
JACK
JK303
MINIJACK
s
1SS270A
CASSETTE
MECHANZSM
UNZT
l
IO[FR]
oor_mcn
R335
ITR559
ipJumper
Iq3361=1337
OTCIt4EK
TR558,
DTCi44EK
2200/_5
t>'
SOL--K
_EEL--R
S
la2
277B--4
M25_
_EEL--F
ICSOi
X_
D--GND
0,00_
uPD78042
O,OOl
0,001
TK--PLS
0,001
0504
5V
5V
REC
A/D--L
A/D--R
PAC
CHROME
META
l
COMMO
F L60 i
FIP6BGM6
I
-
i
R654
;;; Re52 _00
S_6_
2
F_EW
RGG2
•If
ISO
S_6_4
_
,11 RGG4
£4
RSiO
R612
_
IK
300
REC
'----n
1K
R6111K
300
T--SIZE
.1
RG72
2
180
PAUSE
,ii R674
4
300
PLAY
Note:
•
Resistance
shall
the unit is ohm.
b# 1/4 W unless
•
The unit of capacitor
fied.
•
This circuit
diagram
otherwise
is IJF, P is pF unless
shows
replacement
otherwise
the basic circuit.
change for the purpose
of improvement.
Parts marked with this symbol
Z_ _
have critical
Use ONLY
specified
parts recommended
and
speci-
It is subject
to
characteristics.
by the manufacturer•
23
DN-730RI
DENON