DOWNLOAD Sony HCD-DP900D / MHC-DP900D Service Manual ↓ Size: 8.41 MB | Pages: 89 in PDF or view online for FREE

Model
HCD-DP900D MHC-DP900D
Pages
89
Size
8.41 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-dp900d-mhc-dp900d.pdf
Date

Sony HCD-DP900D / MHC-DP900D Service Manual ▷ View online

10
HCD-DP900D
2-8. TRANS BOARD, MAIN BOARD
2-9. FRONT AMP BOARD, SURROUND AMP BOARD
0
two screws
    (+BVTP 3 
×
 8)
1
connector 
    (CN914)
2
connector
    (CN915)
3
connector 
    (CN913)
qs
two screws
    (+BVTP 3 
×
 8)
qd
MAIN board
4
two screws
    (+BVTT 4
 
×
 8)
6
TRANS board
5
two screws
    (+BVTT 4
 
×
 8)
7
two
 screws
    (+BVTT 3 
×
 8)
8
two
 screws
    (+BVTP 3 
×
 8)
9
cover  (heat sink)
qa
SURROUND and 
    FRONT AMP 
   board ASSY
1
screw
    (+BVTT 3 
×
 8)
2
bracket
3
connector (CN803)
6
FRONT AMP board 
0
SURROUND AMP board 
4
four screws
    (+BVTT 3 
×
 8)
8
four screws
    (+BVTT 3 
×
 8)
7
screw
    (+BVTT 3 
×
 8)
5
two screws
    (+BVTP 3 
×
 16)
9
two screws
    (+BVTP 3 
×
 16)
heat sink assy
11
HCD-DP900D
2-11. BASE UNIT, DSP BOARD, MB BOARD, VIDEO BOARD
2-10. LEAF SW BOARD, HEAD (A) BOARD, HEAD (B) BOARD (TCM-230AWR41/MWR41)
4
screw (+PTT 2
 
×
 4), 
    ground point
4
screw (+PTT 2
 
×
 4), 
    ground point
2
LEAF SW board 
1
five claws
5
HEAD (A) board
6
HEAD (B) board
3
remove the four solderings.
Note: This illustration is for TCM-230MWR, but in case of TCM-230AWR, you can remove them in the same way.
qd
screw (+BVTP 3X8)
qf
bracket (DVD)
3
DSP board
1
two screws (+BVTP 3X8)
4
flat type wire (CN010)
5
flat type wire (CN009)
8
two screws (+BVTP 3X8)
2
two screws (+BVTP 3X8)
qa
two screws (+BVTP 3X8)
9
two screws (+BVTP 3X8)
DVD mechanism deck (CDM58D)
6
fiat type wire (CN011)
qs
VIDEO board
7
connector (CN202)
0
MB board
12
HCD-DP900D
2-12. RF-240 BOARD, OPTICAL PICK-UP (KHM-240AAA)
3
two
 screws (+BVTP 2.6 
×
 8)
qd
screw (+PTPWH 2.6
 
×
 8)
qf
tray
1
screw (+BVTP 2.6
 
×
 8)
qa
screw (+BVTP 2.6
 
×
 8)
qs
BRCKET (SENSOR)
qg
screw (+BVTP 2.6
 
×
 8)
9
screw (+BVTP 2.6
 
×
 8)
0
DIODE board
6
flat type wire (CN721)
5
MOTOR board
qh
SENSOR board
7
connector(CN722)
8
connector(CN723)
2
DRIVER board
4
remove the two solderings of motor.
2-13. DRIVER BOARD, MOTOR BOARD, DIODE BOARD, TRAY, SENSOR BOARD
9
step screw (10)
1
two screws (+PTP 2.6X12)
3
floating screw (+PTPWHM2.6)
2
RF-240 board
qs
insulator
4
holder (DVD) assy
qa
insulator
0
insulator
8
step screw (10)
7
step screw (L)
qd
optical pick-up (KHM-240AAA)
6
flat type wire (9 core)
5
flat type wire (26 core)
13
HCD-DP900D
[Cold Reset]
• The cold reset clears all data including preset data stored in the
RAM to initial conditions. Execute this mode when returning
the set to the customer.
Procedure:
1. Press three buttons  x  ,  DISPLAY  , and  DISC 1
simultaneously.
2. The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
[Tuner Step Change] (Except for European and Middle Eastern
models)
• A step of AM channels can be changed over between 9 kHz and
10 kHz.
Procedure:
1. Press  `/1  button to turn the set ON.
2. Select the function “TUNER”, and press  TUNER/BAND  button
to select the BAND “AM”.
3. Press   `/1  button to turn the set OFF.
4. Press  ENTER  and   `/1  buttons simultaneously, and the
display of fluorescent indicator tube changes to “AM 9 k STEP”
or “AM 10 k STEP”, and thus the channel step is changed over.
[MD/VIDEO Function Change]
• Change of function MD or VIDEO ( also the input level changes).
Procedure:
1. Press   `/1  button to turn the set ON.
2. Press  MD (VIDEO)  and   `/1  buttons simultaneously, and
the display of fluorescent indicator tube changes to “MD” or
“VIDEO”, and thus the channel step is changed over.
3. Press  `/1  button to turn the set OFF.
[GC Test  Mode]
• This mode is used to check the software version, FL tube, LED,
keyboard and VACS.
Procedure:
1. Press three buttons   x  ,  DISPLAY , and  DISC 2
simultaneously.
2. LEDs and fluorescent indicator tube are all turned on.
3. When you want to enter the software version display mode,
press  DISC 1 .The model number and destination are displayed.
4. Each time  DISC 1  is pressed, the display changes stating from
MC version, GC version, DVD version, CDDM, CDMA,
CDMB, BDA, BDB version,  ST version, TA version, TM
version, TC version, in this order, and returns to the model
number and destination display.
5. When  DISC 3  is pressed while the version numbers are being
displayed except model number and destination, year, month
and day of the software creation appear. When  DISC 3  is pressed
again, the display returns to the software version display. When
DISC 1  is pressed while year, month and day of the software
creation are being displayed, the year, month and day of creation
of the software versions are displayed in the same order of
version display.
6. Press  DISC 2  button, and the key check mode is activated.
7. In the key check mode, the fluorescent indicator tube displays
“KOJOVO”. Each time a button is pressed, “KEY” value
increases.
However, once a button is pressed, _it is no longer taken into
account.
“VOL” value increases like 1, 2, 3...if rotating VOLUME knob
in “+” direction, or it decreases like 0, 9, 8...if rotating in
“_”direction.
8. Also when  DISC 3  is pressed after lighting of all LEDs and FL
tubes, value of VACS appears.
9. To exit from this mode, press three buttons in the same manner
as step 1, or disconnect the power cord.
SECTION 3
TEST MODE
[MC Test  Mode]
• This mode is used to check operations of the respective sections
of Amplifier, Tuner, and Tape.
Procedure:
• To enter MC Test Mode
1. Press  `/1  button to turn on the set.
2. Press three buttons of  x  ,  DISPLAY  and  DISC 3
simultaneously.
3. Cursor segment flash on the FL display tube. The input
FUNCTION is changed to GAME.
* Check of Amplifier
Initial settings: Input
, GAME
EQ
, FLAT
Mode
, MUSIC
VA CS
, OFF
Output channel switching:
MUSIC key: L
,  L
, R through
MOVIE key: L
, SL
, SR through
GAME key:L
, L, SL, C R , R, SR, SW through
TOOL MODE key: L 
,  C
, SW through
1. When  VOLUME  control knob is turned clockwise even slightly,
the sound volume increases to is maximum and a message
“VOLUME MAX” appears for two seconds, then the display
returns to the original display.
2. When  VOLUME  control knob is tuned counter-clockwise even
slightly, the sound volume decreases to its minimum and a
message “VOLUME MIN” appears for two seconds, then the
display returns to the original display.
* Tuner function
1. In the test mode, the default-preset channel is called even when
the TUNER is selected and an attempt is made to call the preset
channel that has been stored in memory. (It means that the
memory is cleared.)
2. The minimum, center and maximum frequency of each band is
set then.
* Tape recording test
1. To enter the MC Test Mode.
2. Load tapes in both tape decks A and B.
3. Press the REC button to start recording.
4. Pressing  M  ,  m  buttons during recording returns the tape
to the recording start position and stops it at this position.
5. Pressing the “High Speed Dubbing” key while playing back the
tape of deck B switches the playback speed between “Normal
Speed” and “High Speed”.
Note:
When the playback direction of the tape is set to other than “ONY
WAY”, the restriction on the number of times playback which can
be repeated will be cleared.
* AMS Test Mode
1. Set TAPE function
2. Select the desired loop by pressing  PLAY MODE  button.
Insert a test tape AMS-110A or AMS-120 to Deck A.
3. Press  SPECTRUM  or  KARAOKE PON  button to enter the
AMS test mode.
4. After a tape is rewound first, the FF AMS is checked, and the
mechanism is shut off after detecting the AMS signal the AMS
signal twice.
5. Then the REW AMS is checked and the mechanism is shut off
after detecting the AMS signal twice.
6. When the check is complete, a message of either OK or NG
appears.
* To return to normal mode again.
1. When you want to exit this mode, press  `/1  button.
2. The cold reset is enforced at the same time.
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