Panasonic RX-DT30 Manual de usuario
ORDER NO. MD9502012C1
Service
Manual
Portable Stereo CD System
MASH*
Radio Cassette
RX-DT30
Colour
TAPE DECK : SG-20W MECHANISM SERIES
TRAVERSE DECK : RAE01 13Z MECHANISM SERIES
I
SPECIFICATIONS
n
Radio Section
Frequency range
FM
AM
Intermediate frequency
FM
AM
Sensitivity
FM
AM
HCD Player
Sampling frequency
Decoding
Beam source
No. of channels
Wow and flutter
D/A
converter
88-108MHz
525
-
1705
kHz
10.7 MHz
455
kHz
17
dB/50
mW
(
-3
dB
limit sens.
)
51
dB/m/50
mW
44.1
kHz
16 bit
Iinear
Semiconductor laser
(wavelength 780 nm)
2 channel, stereo
Less than possible measurement data
MASH (1 bit DAC)
Panasonic”
/
(K) Black Type 1
n
Tape Recorder
Track system
Recording system
Erasing system
Monitor system
Frequency range
Normal
n
General
4 track, 2 channel, stereo
AC bias
Multi
pole magnet
Variablesoundmonitor
50
-
14000 Hz
Power requirement
AC
120V, 60Hz
Power consumption; 30W
Battery 12 V (8
“D”
size, R20/LR20 batteries)
Speakers 10 cm (4”) x 2
Jacks
Output Headphones;
32c1
Dimensions (W x H x D) 580x192
x260mm
(22’3/~s”x79/~6”x1
01/4”)
Weight 4.5 kg (9 lb.
15
oz.)
without batteries
Notes
:
Specifications are subject to change without notice.
Weight
and
dimensions are approximate.
©
1995 Matsushita Electronics (S) Pte. Ltd.
All rights reserved. Unauthorized copying and
distribution is a violation of law.
RX-DT30
n
Disassembly Instructions
Warning
:
This
product uses a laser
diode.
Refer to
caution
statements on page 2.
ACHTUNG :
Die
laserernheit
nicht
zerlegen.
Die
lasereinheit darf nur gegen eine vom hersteller
spezrfizierte
einheit ausgetauscht werden.
“ATTENTION SERVICER”Some chassis components may have sharp edges. Be careful when
disassembling
and servicing.
Ref. No.
1 Removal of the Handle Ref. No.
2
Procedure
1.
Release 2 ribs. Procedure
1
2.
Pull out the handle.
_
-m--_--
Handle
-__
Ref. No.
3
Procedure
2*3
Removal of the Top Cabinet Unit ~
1.
Press the CD eject button.
2. Remove 5 screw
(0
-
Q).
3. Remove the Top Cabinet
Unit.
\
CD Eject Button
Ref. No.
4
Procedure
2+31,4
1
Removal of the Control P.C.B.
I:
Removal of the Front Cabinet
1
1.
Remove the battery cover.
2. Remove 8 screws
(
@
-
0
).
_,
Front Cabinet
3.
Press the 2 eject buttons.
4.
Release 1 claw.
5. Remove the front cabinet
in
the
direction
of arrow
6.
Remove 1 connector
(CP307).
1. Remove 2 connectors (CN303, CN801).
2. Remove FFC cable from the connector CN702 (Control P.C.B.).
3. Release 4 claws.
FFC Cable Control P.C.B. CN702
I
CN303
Claws
-5-
RX-DT30
I
Ref. No.
5
Procedure
2*31,5
r-
~
---~~~
-~~~
-~~~~
Removal of the Connector P.C.B.
1..
Remove
3
screws
(
0
-
Q
).
2. Remove 4 connectors
(CN1,
CN304. CN305,
CN801).
3. Remove the Connector P.C.B.
Ref. No.
6
~----I
Removal of the Mechanism Unit
_.~
~~~
.~~~~~
Ref. No.
7
Removal of the Traverse Unit
FFC Cable
Traverse Unit
*
I
CN702
Remove 4 screws
(
0
-
0
).
Remove FFC cable from the connector CN702 (Control P.C.B.)
CN1
CN305
;<
R
I
CN304
CN801
Connector P.C.B.
Mechanism Unit
1.
Remove 2 connectors
(CP301,
CP602
)
2. Remove 6 screws
(
@
-
@
).
Removal of the Main P.C.B.
Ref. No.
CP306 Main P.C.B.
1..
Remove 2 screws
(8
-@
).
2.
Remove 1 connector
(CP306).
3.Pull
out the main P.C.B. in the direction of arrow.
-6-
RX-DT30
Removal of the Power Supply
P.C.B.
1.
Remove 6 screws
(0
-
@
).
2. Remove 1 connector
(CP306)
Power
SUPPLY
P.C.B.
i
?
CP306
-m$j
Ref. No. ~
11
I
Removal of the CD Cover
Procedure
(
2*3*11
/
1.
Hold the CD cover
in
half-open
position.
2. Release the rib
in
direction of arrow
e;l.
3. Pull out the CD cover in direction of
arrow3.
4. Release the
rib
in
direction
of
arrow@
5. Pull out the CD cover.
Ref. No.
)
13
i
Removal of the Speakers
I
~~~~
~~~
-~~
~~
~~~~
-~
~
-~~
Procedure
1
2413
1
1. Remove 8 screws
(
0
-
@
).
2. Cut black bond at wire
dressing
point
before removal of the speakers.
,?,
$”
‘2;
Bond
Speaker Speaker
Ref. No.
10
Procedure
21,9*10
-7
;
Removal of the Battery
-I.-
I
1.
Release
1
claw.
2. Pull out the battery P.C.B.
P.C.B.
Ref. No.
12
Procedure
21,31,12
Removal of the Disc Clamp Unit
CD Cover
1.
Press the CD eject button and then open the CD cover.
2. Remove the
disc
clamp
unit
in
the direction of arrow
(Ijfollow
by(2,‘
Ref. No.
’
14
I
Removal of the Cassette Compartment
RX-DT30
1
Ref. No.
1
15
~~~
I
Procedure
21,31,7
*15
,
Removal of the Servo P.C.B.
;
Traverse
Unit
-
P
Terminals
of traverse motor
Terminals of spindle motor
1.
Remove 3 screws
(
0
-
0
).
2. Desolder 2 termrnals of
spindle
motor.
3. Desolder 2 termrnals of traverse motor.
4. Remove the flexrble cable from
CN701
Removal of the flexrble cable
Push the top of the connector in the
direction
of the arrow@, and then
pull out the flexrble cable
in
the
directron of the
arrowa.
Note
:
Insert a short
pin
into
the flexible cable for
traverse unit.
Ref. No.
’
1
16
Removal of the Traverse Deck Ass’y
Procedure
1
21)31)7
’
*151,16
:
~~,
1.
Widen
2 bosses by
using
a flat tip screwdriver and remove 2 pins.
2.
Remove the Traverse Deck Ass’y
in
direction of arrow @follow by
;2,.
Traverse Deck Ass’y
CD OpenSpring
2.
1.
Install the CD open spring as shown in above diagram.
3.
-8-
Install the CD cover onto the top
cabinet.
Note
:
When
installing
the CD cover, make sure the CD cover
IS in half open positron.
Release the
spring
in the directton of arrow
0.
RX-DT30
n INSTALLING CASSETTE COMPARTMENT
I
,
J
/J-Cass.
Open
Spring
Install the
cass.
open
spring
as shown
in
above diagram.
Cassette Compartment
2. Fix the cassette compartment to front cabinet
Release the spring
INSTALLING SERVO P.C.B.
Before installing the servo P.C.B., move the optical pickup
toward the outer edge from the mark
“A”.
(Otherwise, the rest switch
(S701)
mounted on the servo
P.C.B may be damaged.)
2. Connect the flexible cable to the connector (CN701).
3. Install the servo P.C.B. in the traverse deck ass’y with
the 3 screws
(
0
-
@I
).
4. Solder the 2 terminals of the traverse motor and the
2 terminals of the spindle motor.
Note
:
Connect the flexible cable to the connector (CN701)
firmly.
Tighten the screws before soldering the terminals.
__
Spindle motor
-9-
RX-DT30
I
n
HOW TO CHECK THE TRAVERSE UNIT
1. Remove the top cabinet
unit.
(Refer to disassembly instructions, Fief No. 3)
2.
Remove
4
screws.
(
0
-
0
)
I
Traverse Unit
3. Set up the traverse unit as shown in diagram.
4. Install the compact disc and disc clamp unit.
Note
:
Before perform checking, make sure the
switch SW401 is switched to “ON” position.
(as shown
in
diagram).
n WHAT TO DO WHEN THE TAPE IS ENTANGLED
When the tape is caught
in
the pitch roller, etc. Release the tape
by turning the pulley on the motor with the screwdriver in the
direction of arrow.
-lO-
/
RX-DT30
Terminal Guide of
ICs,
Transistors
&
Diodes
AN71 35
BA3936
AN7205
BA7755A
2SC1684QTA
2SC1684RTA
2SC1684STA
MA4056N-MTA
AN7317
AN8389SE1
M38222M2051 MN66271
RA
pmiq
pFq
2SC2785FTA
2SJ40CDTA
BN1A4MTA
RVDMTZ5RGBTA
RVDMTZ6R8BTA
‘.,
4
*>
,,_+
’
,’
“,I
,/’
DG
S
RL203M11
RVD1
SS1
33TA SLB55VRTE7
Ca
Cathode
q
i
A
,,,,
4.7”’
AN8802SCE1
V
132
PST600DTA
2SB709S
BA1442A
2SC 1740SRTA
RVTDTC114EST
-ll-
RX-DT30
n
Schematic Diagram
13
A
SERVO CIRCUIT
ZY
;z
lC701
AN8802SCE1
V
SERVO
AMP
P2
r
_
_
_
_
_
_
_
_
_
_
_
RX-DT
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