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DPC-7.5
Ref. No. 3795
SERVICE MANUAL May, 2004
DVD CHANGER
MODEL DPC-7.5
RC-543DV
Black model
BCDD1N 120V AC, 60Hz
BCPA4P 230-240V AC, 50Hz
SAFETY-RELATED COMPONENT
WARNING!!
THE MARK FOUND ON SOME COMPONENT
PARTS INDICATES THE CRITICAL FOR RISK OF
FIRE AND ELECTRIC SHOCK.
WHEN REPLACING, BE SURE TO USE PARTS OF
IDENTICAL DESIGNATION.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
DPC-7.5
SPECIFICATIONS
Video system Standard NTSC (U.S. model), PAL/AUTO (Australian model)
Region code 1 (U.S. model), 4 (Australian model)
Laser Semiconductor laser, wavelength 650 nm (DVD), 780 nm (CD)
4 Hz-22 kHz @ 48 kHz sampling rate
DVD linear audio
Frequency response 4 Hz-44 kHz @ 96 kHz sampling r ate
CD audio 4 Hz-20 kHz
Signal-to-noise ratio (digital audio) 100 dB
Audio dynamic range (digital audio) 93 dB
Harmonic distortion (digital audio) 0.006%
Wow and Flutter Below measurable level
Temperature 5 to 35 C (41 F to 95 F)
Operating conditions
Installation Install horizontally
Y: 1.0 V (p-p), 75 ohm, negative sync, RCA/phono x1, BNC x1
COMPONENT VIDEO
PB/PR: 0.7 V (p-p), 75 ohm
Video outputs Y: 1.0 V (p-p), 75 ohm, negative sync, 4-pin mini DIN x2
S VIDEO (S-Video)
C: 0.286 V (p-p), 75 ohm
VIDEO (composite video) 1.0 V (p-p), 75 ohm, negative sync, RCA/phono x2
OPTICAL -22.5 dBm, optical connector x1
Audio outputs COAXIAL 0.5 V (p-p), 75 ohm, RCA/phono x1
ANALOG 2.0 V rms, 440, RCA/phono x2
120 V AC, 60 Hz (U.S. model)
Power supply
230-240 V AC, 50 Hz (Australian model)
Power consumption 13 W
General Power consumption in Standby 0.99 W (U.S. model)
mode 0.99 W (Australian model)
Weight 6.4 kg (14.1 lbs.)
Dimensions (W x H x D) 435 x 131 x 436 mm (17-1/8" x 5-3/16" x 17-3/16")
Specifications and features subject to change without notice.
DPC-7.5
SERVICE PROCEDURES-1
PROTECTION OF EYES FROM LASER BEAM DURING SERVICING
This set employs a laser. Therefore, be sure to follow
carefully the instructions below when servicing.
Laser Diode Properties
WARNING!!
Wavelength: 650/780nm (DVD/CD)
SERVICE WARNING : DO NOT APPROACH THE
LASER EXIT WITH THE EYE TOO CLOSELY.
IN CASE IT IS NECESSARY TO CONFIRM LASER
BEAM EMISSION, BE SURE TO OBSERVE FROM
A DISTANCE OF MORE THAN 30cm FROM THE
SURFACE OF THE OBJECTIVE LENS ON THE
OPTICAL PICKUP BLOCK.
WARNING
WARNING: WARNING AVIS
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, RISK OF ELECTRIC SHOCK RISQUE DE CHOC ELECTRIQUE
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR DO NOT OPEN NE PAS OUVRIR
MOISTURE. The lightning flash with arrowhead symbol, within an equilateral
triangle, is intended to alert the user to the presence of uninsulated
CAUTION: "dangerous voltage" within the product's enclosure that may be of
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT sufficient magnitude to constitute a risk of electric shock to persons.
REMOVE COVER (OR BACK). NO USER-SERVICEABLE
The exclamation point within an equilateral triangle is intended to alert
PARTS INSIDE. REFER SERVICING TO QUALIFIED
the user to the presence of important operating and maintenance
SERVICE PERSONNEL.
(servicing) instructions in the literature accompanying the appliance.
LASER WARNING
This unit contains a semiconductor laser system and is classified
The label on the right
as a "CLASS 1 LASER PRODUCT". So, to use this model
is applied on the rear
properly, read this Instruction Manual carefully. In case of any
trouble, please contact the store where you purchased the unit.
panel except for USA "CLASS 1 LASER
and Canadian PRODUCT "
To prevent being exposed to the laser beam, do not try to open
models.
the enclosure.
CAUTION:
VISIBLE LASER RADIATION WHEN OPEN AND INTERLOCK
FAILED OR DEFEATED. DO NOT STARE INTO BEAM. 1. This unit is a CLASS 1 LASER PRODUCT and employs a
laser inside the cabinet.
CAUTION: 2. To prevent the laser from being exposed, do not remove
THIS PRODUCT UTILIZES A LASER. USE OF CONTROLS OR
the cover. Refer servicing to qualified personnel.
ADJUSTMENTS OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN
HAZARDOUS RADIATION EXPOSURE.
LASER BEAM CAUTION LABEL
SERVICE PROCEDURE
1. Replacing the fuses
This symbol located near the fuse indicates that the
fuse used is show operating type, For continued protection against
fire hazard, replace with same type fuse , For fuse rating, refer to
the marking adjest to the symbol.
Ce symbole indique que le fusible utilise est e lent.
Pour une protection permanente, n'utiliser que des fusibles de meme
type. Ce demier est indique la qu le present symbol est apposre.
REF. NO. PART NO. DESCRIPTION
F1 5120-0130-0 or 1.6A-UL/T-237
5120-1000-0 1.6A-T/UL-ST2
F1 5120-0094-0 or 2.5A-SE-EAK
5120-1010-0 2.5A-SE-TL250V
: North American area
: Australian area
DPC-7.5
SERVICE PROCEDURES-2
2. Safety-check out
(Only U.S.A. model)
After correcting the original service problem perform the
following safety check before releasing the set to the customer
Connect the insulating-resistance tester between the plug of
power supply cord and terminal GND on the back panel.
Specifications: More than 10M ohm at 500V
INITIALIZING
Factory-shipped condition
Push button "ON" (Mechanical SW)
Press the [STOP] and [STANDBY] same time with NO DISC condition.
Push button "STANDBY".
After display "COMPLETE".
REMOVE THE SOLDER OF LASER DIODE SHORT
When replace the mechanism or DVD main PC board.
Shotting the solder of Shot-circuit land. (2 positions)
DPC-7.5
PANEL VIEW-1
FRONT PANEL
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 17 18
12 Play/Enter button
1 Standby/On button This button is used to start playback and to cancel fast
This button is used to set the DPC-7.5 to On or Standby. forward and fast reverse. It's also used to start Chain
mode playback.
2 Standby indicator
13 Disc tray
This indicator lights up when the DPC-7.5 is in Standby
mode. The disc tray has six bays for loading up to six discs.
3 Last Memory button 14 Disc tray light
This button is used with the Last Memory function. This light illuminates the disc tray. It comes on when the
DPC-7.5 is turned on, and is brighter while the disc tray
4 Repeat button is open.
This button is used with the Repeat function.
15 Disc Skip button
5 Dimmer button This button is used to select the disc bays (i.e., rotate the
This button is used to adjust the display brightness. disc tray) when loading or removing discs, and to select
6 Display button discs for playback.
This button is used to display information about the cur- 16 Down [ ] button
rent disc, title, chapter, or track, including the elapsed This button is used to select the previous chapter or
time, remaining time, total time, and so on. track. During playback it selects the beginning of the
7 Display current chapter or track.
See "Display" on page 11 for more information. 17 Up [ ] button
8 Remote control sensor This button is used to select the next chapter or track.
This sensor receives control signals from the remote 18 Pause button
controller. This button is used to pause playback.
9 Open/Close button
This button is used to open and close the disc tray.
10 Chain Mode button
This button is used with the Chain mode function.
11 Stop button
This button is used to stop playback.
DPC-7.5
PANEL VIEW-2
FL DISPLAY
1 2 3 4 5 6 7 8 9 10 11 12 13
CHAIN MODE DISC TITLE CHP TRACK PRGV LAST TOTAL REMAIN
ALL
1 2 3
DVD
CD VCDVD
4 5 6
14 15 16
11 Play indicator
1 CHAIN MODE, ALL, DVD & CD indicators This indicator is shown during playback.
The Chain Mode indicator appears when the Chain mode 12 Pause indicator
function is on. The ALL, DVD, and CD indicators show This indicator appears when playback is paused.
the type or Chain mode selected.
13 Disc indicators 1-6
2 DISC indicator These indicators show how many discs are loaded. The
The number of the currently selected disc appears here. number of the current disc has a circle around it.
3 TITLE indicator When the disc tray is closed, all of the disc indicators
While stopped, the total number of titles on the current appear until the DPC-7.5 has checked each bay for the
DVD-Video is displayed here. During playback, the presence of a disc. If a bay is found to have no disc, the
number of the current title is displayed. corresponding indicator disappears.
4 CHP indicator 14 Chapter & track number
This indicator appears while the number of the current Chapter and track numbers appears here.
chapter is being displayed. 15 Time display
5 TRACK indicator Time information, such as total time, remaining time,
This indicator appears while track numbers are being and so on, is displayed here in hours, minutes, and sec-
displayed. While stopped, the total number of tracks on onds. Other messages are also displayed.
the current Video CD, audio CD, or MP3/WMA disc are 16 VCDVD indicator
displayed. During playback, the number of the current This indicator shows the type of disc currently selected:
track is displayed. DVD: DVD-Video, DVD-R, or DVD-RW
6 PRGV indicator VCD: Video CD
This indicator appears when the Progressive Scanning CD: Audio CD, MP3/WMA/JPEG CD-R, or CD-RW
function is on.
7 LAST indicator
This indicator appears when the Last Memory function
has been set.
8 TOTAL indicator
This indicator appears while the total time is being dis-
played.
9 REMAIN indicator
This indicator appears while the remaining time is being
displayed.
10 Camera angle indicator
This indicator appears if the DVD-Video being played
features multiple camera angles.
DPC-7.5
PANEL VIEW-3
REAR PANEL
1 2 3 4
VIDEO OUTPUT
COMPONENT 2
Y PB P R
DVD CHANGER
MODEL NO. DPC-7.5
AUDIO OUTPUT RS 232
COMPONENT 1 DIGITAL
Y PB PR S VIDEO
OPTICAL COAXIAL
AC INLET
AUDIO OUTPUT
ANALOG VIDEO
L IN
IR
R OUT
REMOTE
CONTROL
5 6 7 8 9 10 11
6 IR IN/OUT
1 COMPONENT 1 VIDEO OUTPUT The IR IN connector can be used to connect a commer-
These RCA/phono connectors can be used to connect a cially available IR receiver, which can be used to pickup
TV or projector with RCA/phono component video signals from the remote controller when the DPC-7.5 is
inputs. located in another room, installed in a rack, or is out of
The DPC-7.5 has two component video outputs, the range of the remote controller
COMPONENT 1 and COMPONENT 2, however, they The IR OUT connector can be used to connect a com-
output the same video signal. mercially available IR emitter, which can be used to pass
remote controller signals received by the IR IN along to
2 COMPONENT 2 VIDEO OUTPUT other AV components.
These BNC connectors can be used to connect a TV or
projector with BNC component video inputs. 7 REMOTE CONTROL
The DPC-7.5 has two component video outputs, the These (Remote Interactive) connectors can be con-
COMPONENT 1 and COMPONENT 2, however, they nected to the connectors on your other Integra/
output the same video signal. Onkyo AV components for interactive control.
To use you must also make an analog RCA/phono
3 S VIDEO OUTPUT
connection between your DPC-7.5 and Integra/Onkyo
These connectors can be used to connect TVs or projec-
AV receiver, even if they are connected digitally
tors with S-Video inputs.
The DPC-7.5 has two S-Video output connectors. They 8 OPTICAL AUDIO OUTPUT
output the same video signal. This optical digital audio output can be connected to an
optical digital audio input on a hi-fi amp, AV receiver, or
4 VIDEO OUTPUT
surround sound decoder (Dolby Digital, DTS).
These RCA/phono connectors can be used to connect
TVs or projectors with composite video inputs. 9 COAXIAL AUDIO OUTPUT
The DPC-7.5 has two composite video output connec- This coaxial digital audio output can be connected to an
tors. They output the same video signal respectively. coaxial digital audio input on a hi-fi amp, AV receiver, or
surround sound decoder (Dolby Digital, DTS).
5 ANALOG AUDIO OUTPUT
These RCA/phono connectors can be connected to the 10 RS 232
analog audio inputs on your TV, hi-fi amp, AV receiver, This RS-232 port can be connected to an external con-
or surround sound decoder (Dolby Pro Logic). There are troller.
two sets of outputs. You could connect one set to your AV 11 AC INLET
receiver, the other to your TV for those occasions when
The supplied power cord is connected here. The other
you want to watch a DVD-Video but don't want to use
end of the power cord should be connected to a suitable
your AVreceiver.
wall outlet.
The DPC-7.5 has two pairs of stereo analog audio output
connectors. They output the same audio signal respec-
tively.
DPC-7.5
PANEL VIEW-4
REMOTE CONTROLLER-1 1 Standby button
This button is used to set the DPC-7.5 to Standby.
2 On button
This button is used to turn on the DPC-7.5.
3 Search button
This button is used to search for titles, chapters, tracks,
and specific points in time.
4 Last M button
This button is used with the Last Memory function.
5 Number buttons
These buttons are used to enter title, chapter, and track
numbers and to enter times for locating specific points in
time.
To enter a single-digit number, simply press the corre-
sponding button. To enter a double-digit number, enter
the numbers in order from left-to-right (e.g., to enter 14,
press [1] then [4].
The [+10] button is used to enter multiples of ten (i.e.,
10, 20, 30, and so on). For example, to enter the number
25, press the [+10] button twice followed by the [5] but-
ton.
6 Top Menu button
This button is used to select the top menu.
7 Return button
This button is used to move the preceding setup menu
and to restart Video CD menu playback.
8 Audio button
This button is used to select foreign language
soundtracks and audio formats (e.g., Dolby Digital or
DTS).
9 Angle button
This button is used to select different camera angles.
10 FR [ ] button
This button is used to start fast reverse.
11 FF [ ] button
This button is used to start fast forward.
12 Disc 1-6 buttons
These buttons are used to select discs. Playback starts
automatically when a disc is selected with these buttons.
13 Disc Skip button
This button is used to select the disc bays (i.e., rotate the
disc tray) when loading or removing discs, and to select
discs for playback.
14 Memory button
This button is used with the Memory Playback function.
15 Open/Close [ ] button
This button is used to open and close the disc tray.
16 Chain Mode button
This button is used with the Chain mode function.
33
34
DPC-7.5
PANEL VIEW-5
REMOTE CONTROLLER-2
17 Repeat button
This button is used to set the Repeat Playback functions.
18 A-B button
This button is used to set the A-B Repeat Playback func-
tion.
1 14
19 Random button
15
2 This button is used with the Random Playback function.
3 16
20 Display button
4 This button is used to display information about the cur-
17 rent disc, title, chapter, or track, including the elapsed
time, remaining time, total time, and so on.
18
5 21 Clear button
19 This button is used to cancel various functions.
20 22 Menu button
21 This button is used to select the menu.
6 22 23 Enter button
23 This button is used to start playback of the selected title
chapter, or track and to confirm settings.
24
24 [ ], [ ], [ ], [ ] buttons
7 25
These buttons are used to navigate DVD-Video menus
8 26 and the onscreen setup menus.
9 27 25 Setup button
28 This button is used to open and close the onscreen setup
10 29 menus.
11 30 26 Subtitle button
31 This button is used to select subtitles.
12
32 27 Play [ ] button
This button is used to start playback.
13 33 28 Pause [ ] button
34 This button is used to pause playback.
29 Stop [ ] button
This button is used to stop playback.
30 Up [ ] button
This button is used to select the next chapter or track.
31 Down [ ] button
This button is used to select the previous chapter or
track. During playback it selects the beginning of the
current chapter or track.
32 Step/Slow [+] & [-] buttons
These buttons are used with the Frame-by-Frame Play-
back and Slow Motion Playback functions.
33 Dimmer button
This button is used to adjust the display brightness.
34 Progressive button
This button is used to turn on and off the Progressive
Scanning function. Progressive scanning can't be turned
on or off during playback.
EXPLODED VIEW
A56
M11
A6 A6
M51 M17
M9
e P702
M11 A6
M50
j i
a g
A231 M19 M10 b A6
U14 M8
M18
M2 A6
A18
P1101 A6 U4
M5
P1001 A12 A6
A18
M11 A18
M15 A18
M11
M22
M11 M54
M15
Black
M12 M14
Blue M1
Up side M14 A18 M39
A18
M38
M13 M4 M7 c
M6
M11
P2001 d
M23 A54
A53 U1
P2401
A54 U10
f P2501
A12 A54 A6
A54 A6 a
b
P2901 M51
c A6 M52
e
A55 U5 A232 A6 M41
A6
A6
F1 M
A54 A6 d U13
U20 j A6 M32
U9 A6 U6 A11
A10
M31
(Bracket + S
+ Washe
i
A6
E821 A8
A10
E102 A20
A21
A21
A20 A18
A21
A21
A18
A20
A9 A21
A21
A18
DPC-7.5
A54
A54
A54
A54
6
h
M40
A54
2
3
1
4
A214
6
5
A54
M38
8 M38
M30
A28
A6
E101 A4
A6 A6
A5
41
A6 A6
P707 A6 U11 A1
M36
A6 U8
g U3
M35 A6 A6
A7
M31 U12 A6
cket + Shaft A218
Washer)
A6 A6
M34 A6
A6 A6 A6 U7 A6 A217
h
A32
U15
A8 A224
A221
.5
C-7
DP
A2 A223
A6 A54
A220
A54
A226
A54
DPC-7.5
EXPLODED VIEW
A56
M11
A6 A6
M51 M17 A54
A54
M9
e P702
M11 A6
M50 A54
j i
a g A54
A231 M19 M10 b A6
U14 M8
M18
A6 h
M2
A18 M40
P1101 A6 U4
M5
P1001 A12 A6
A18
M11 A18 A54
2
M15 A18
3
M11
1
M22
4
M11 M54
A214
6
5
M15
Black
M12 M14
Blue M1 A54
Up side M14 A18 M39
A18 M38
M38 M38
M13 M4 M7 c
M6 M30
M11
P2001 d
M23 A54
A53 U1 A28
P2401
A54 U10
f P2501 A6
A12 A54 A6 E101 A4
A54 A6 a
b
P2901 M51 A6 A6
c A6 M52
e A5
A55 U5 A232 A6 M41
A6 A6
A6
A6 P707 A6 U11 A1
F1 M36
A54 A6 d U13
A6 U8
U20 j A6 g U3
A11 M32 M35 A6 A6
U9 A6 U6 A10 A7
M31 U12 A6
(Bracket + Shaft A218
+ Washer)
i A6 A6
M34 A6
A6 A6 A6 U7 A6 A217
h
A32
U15
E821 A8 A224
A221
.5
C-7
DP
A2 A223
A6 A54
A10
E102 A20
A220
A21 A54
A21
A20 A18 A226
A21
A21
A18
A54
A20
A9 A21
A21
A18
DPC-7.5
BLOCK DIAGRAM
P2001A
P1001
U6 : NAAF-7811 Audio out terminal PC board Q109:DTA114YKA
DACCLK,LRCLK,BCLK,DATAD,DOUT0-1 Q110:DTC114YKA
LASER etc MD,MC,CSDACD,DACRST
Q401 Q403(2/2)
DVD MECHA Q403(1/2) Q109,Q110 Lch
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