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DPS-7.2
SERVICE MANUAL
DVD AUDIO/VIDEO PLAYER
Black model
MODEL
DPS-7.2
120V AC, 60Hz
BMDD1N
Ref. No. 3698
Sep, 2001
RC-451DV
Display
Setup
Menu
Top Menu
Return
Push to Enter
Cursor
Clear
192/176.4
Sampling Rate (kHz)
96/88.2
48/44.1
Random
Last Memory
Video Circuit
Off
Repeat
Dimmer
Play
Stop
Phones Level
Max
Min
Phones
Pause
Open /Close
DPS-7.2
Standby/On
Standby
On
O f f
Power
COND. M
TV
ON/STANDBY
CH +
CH -
FUNCTION M
SEARCH
23
456
78
9
1
0
+10
+
-
TV/VCR
VOL +
VOL -
TV
LAST M
DIMMER
DISPLAY
ANGLE
STANDBY
ON
AUDIO
SUBTITLE
MENU
TOP MENU
SETUP
RETURN
STOP
PAUSE
PLAY
DOWN
UP
FR
FF
CLEAR
PROGRAM
DVD
RANDOM
REPEAT
A-B
STEP/SLOW
REMOTE CONTROLLER RC-
451DV
ENTER
OPEN
/CLOSE
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
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.


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DPS-7.2
SPECIFICATIONS
Specifications and features are subject to change without notice.
Power supply
AC 120 V, 60 Hz
Power consumption
16 W
Weight
3.6 kg, 7.9 lbs.
External dimensions
435
91
314 mm (W/H/D), 17-1/8"
3-9/16"
12-3/8"
Signal system
Standard NTSC
Regional restriction code
1
Laser
Semiconductor laser, wavelength 650 nm
Frequency range (digital audio)
DVD linear sound:
48 kHz sampling 4 Hz to 22 kHz
96 kHz sampling 4 Hz to 44 kHz
DVD-Audio:
192 kHz sampling 4 Hz to 96 kHz
Audio CD:
4 Hz to 20 kHz
Signal-to-noise ratio (digital audio)
More than 106 dB
Audio dynamic range (digital audio)
More than 100 dB
Harmonic distortion (digital audio)
Less than 0.005 %
Wow and flutter
Below measurable level (less than ±0.001 % (W.PEAK))
Operating conditions
Temperature: 5 C to 35 C, Operation status: Horizontal
Outputs
Video output
1.0 V (p-p), 75
, negative sync., pin jack
2
S-video output
(Y) 1.0 V (p-p), 75
, negative sync., Mini DIN 4-pin
2
(C) 0.286 V (p-p), 75
Component video output
(Y) 1.0 V (p-p), 75
, negative sync., pin jack
2
(P B)/(P R) 0.7 V (p-p), 75
Audio output (digital output Optical)
Optical connecter
2
Audio output (digital output Coaxial)
0.5 V (p-p), 75
, pin jack
1
Audio output (analog audio)
2.0 V (rms), 470
, pin jack (L, R)
2
Audio output (5.1 channel analog audio)
2.0 V (rms), 470
, pin jack (FRONT L, FRONT R, CENTER, SURR L,
SURR R, SUB WOOFER)
1
DVD Player


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DPS-7.2
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.
WARNING!!
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.
Laser Diode Properties
780 nm
0.14 mW
LASER WARNING
Wavelength:
Laser output:
650 nm
0.43 mW
Wavelength:
Laser output:
CD
DVD
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR
MOISTURE.
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT
REMOVE COVER (OR BACK). NO USER-SERVICEABLE
PARTS INSIDE. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an equilateral
triangle, is intended to alert the user to the presence of uninsulated
"dangerous voltage" within the product's enclosure that may be of
sufficient magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert
the user to the presence of important operating and maintenance
(servicing) instructions in the literature accompanying the appliance.
WARNING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE
NE PAS
OUVRIR
AVIS
WARNING
This unit contains a semiconductor laser system and is classified
as a "CLASS 1 LASER PRODUCT". So, to use this model
properly, read this Instruction Manual carefully. In case of any
trouble, please contact the store where you purchased the unit.
To prevent being exposed to the laser beam, do not try to open
the enclosure.
VISIBLE LASER RADIATION WHEN OPEN AND INTERLOCK
FAILED OR DEFEATED. DO NOT STARE INTO BEAM.
THIS PRODUCT UTILIZES A LASER. USE OF CONTROLS OR
ADJUSTMENTS OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN
HAZARDOUS RADIATION EXPOSURE.
The label on the right
is applied on the rear
panel except for USA
and Canadian
models.
1. This unit is a CLASS 1 LASER PRODUCT and employs a
laser inside the cabinet.
2. To prevent the laser from being exposed, do not remove
the cover. Refer servicing to qualified personnel.
"CLASS 1 LASER
PRODUCT "
CAUTION:
CAUTION:
SERVICE PROCEDURE
1. Replacing the fuses
REF. NO.
PART NO.
DESCRIPTION
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.
F1
252147 or
1.6A-TSC or
252252
1.6A-T/UL-ST2
2. Safety-check out
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
LASER BEAM CAUTION LABEL


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DPS-7.2
DPS-7.2
DVD
Z14
41
34
39
53
23
25
7
7
7
7
7
7
7
U10
49
49
19
U1
E701
27
37
38
22
45
U2
U8
U4
36
35
21
47
49
49
49
15
15
43
42
54
Z11
Z13
Z14
U9
1
3
3
7
E903
61
5
5
7
11
9
9
7
E705
E751
F1
Z10
U11
7
U6
U7
13
49
16
Z12
S731
28
29
62
EXPLODED VIEW


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DPS-7.2
DPS-7.2
EXPLODED VIEW PARTS LIST
NOTE: THE COMPONENTS IDENTIFIED BY MARK
ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
REF.NO.
PART NO.
DESCRIPTION
REF.NO.
PART NO.
DESCRIPTION
1
27100399A
Chassis
3
27175316B
Leg
5
28141332
Cushion
7
838130088
3TTB+8B, Self tapping screw
9
27190428A
KGLS-10RF, Holder
11
27191112
KGPS-6RF, Holder
13
27190693
KGLS-6R, Holder
15
838130208
3TTB+20B, Self tapping screw
16
29362584
Label DVD
19
28325753
Knob power
21
27111221A
Front bracket
21
28325756
Knob, STANDBY
23
28191928
Clear plate
25
28133398
B plate
27
82143010
3P+10FN(BC), Pan head screw
28
838126068
2.6TTB+6B, Self tapping screw
29
838426088
2.6TTB+8B(BC), Self tapping screw
31
28198935
Facet, PLAY
34
27268054
Guide, knob
35
28325958
Knob G, OPEN AS
36
28325452
Knob, MIC
37
28325933
Knob, CRS
38
27191142A
Holder, PLT
39
27191155
Holder, HP
41
27212327A
Front panel
42
28148488
Door
43
28148491
Door, MOULD
45
28198906
Facet, S
47
28184808
Top cover
49
838430088
3TTB+8B(BC), Self tapping screw
53
28135278
Badge
54
28135284
Badge, DVD-AUDIO
61
27122903B
Rear panel
E701
2045222012
NCFC5-222012, Flexible flat cable
E705
2009990702UL
NSAS-10P0978
E751
2045081212
NCFC5-081212, Flexible flat cable
E903
260208
Binder, UL
F1
252147 or
1.6A-TSC or
252252
1.6A-T/UL-ST2
S731
25035710
NPS-115-S673, Cursor switch ass'y
Z10
24150022
DB-VPB302, Main PC board ass'y
Z11
24801010
DB-VLD301-006, DVD mechanism ass'y
Z12
24840149A
DB-VAC301, adapter(L)
Z13
24840150A
DB-VAC302, adapter(R)
U1
1H465515-1G
NADIS-7215-1G, Display PC board ass'y
U2
1H465516-1G
NADIS-7216-1G, Control switch PC board ass'y
U4
1H465518-1G
NASW-7218-1G, Power switch PC board ass'y
U6
1H465520-1G
NAPS-7220-1G, AC inlet PC board ass'y
U7
1H465515-1G
NAETC-7221-1G, RS-232C connector PC board ass'y
U8
1H465515-1B
NAETC-7222-1B, Holder PC board ass'y
U9
1H465524-1D
NAAR-7224-1D, Output terminal PC board ass'y
U10
1H465525-1D
NAETC-7225-1D, Phones jack PC board ass'y
U11
24150020A
NGPS-0020-120V, Power supply unit
62
4TTC+8C(BC), Self tapping screw
838440089