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DPS-7.2
Ref. No. 3698
SERVICE MANUAL Sep, 2001
DVD AUDIO/VIDEO PLAYER
MODEL DPS-7.2 ON
TV
ON / STANDBY
OPEN
/CLOSE
STANDBY ANGLE AUDIO SUBTITLE
LAST M COND. M DIMMER DISPLAY
TOP MENU MENU
CH - VOL + CH +
ENTER
VOL -
RETURN SETUP
TV/ VCR
PAUSE STOP PLAY
FR FF DOWN UP
STEP/ SLOW
1 2 3 +
4 5 6 -
FUNCTION M
7 8 9
Sampling Rate (kHz) 192/176.4
Standby/On SEARCH CLEAR
96/88.2 Open /Close Stop Play +10 0
Pause
48/44.1 RANDOM REPEAT A-B PROGRAM
Video Circuit
Off Last Memory Clear Top Menu Cursor Menu
REMOTE CONTROLLER RC-451DV
Standby Phones Phones Level DVD TV
Return Setup
Power Dimmer Repeat Random Display
Push to Enter
On Off
Min Max
DPS-7.2
RC-451DV
Black model
BMDD1N 120V AC, 60Hz
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
DVD Player
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
Specifications and features are subject to change without notice.
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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 Laser Diode Properties
carefully the instructions below when servicing.
CD
WARNING!!
Wavelength: 650 nm
SERVICE WARNING : DO NOT APPROACH THE Laser output: 0.43 mW
LASER EXIT WITH THE EYE TOO CLOSELY.
IN CASE IT IS NECESSARY TO CONFIRM LASER DVD
BEAM EMISSION, BE SURE TO OBSERVE FROM Wavelength: 780 nm
A DISTANCE OF MORE THAN 30cm FROM THE Laser output: 0.14 mW
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 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
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DPS-7.2
EXPLODED VIEW 43
42
Z11 47
DVD
54 49
49
15
15
Z13
Z14
Z14 Z12
Z10
E705
49
7
E701 7
U10
E751 16
49 7 35
21
7 U1 7
7
62 U4
7 7 28 39
U7 F1 U9 S731 41
34
U2 29
61 U11
37
U8 36
E903 27 19
22 25
U6 7 38
1 23
45 49
9 53
13
49
3
3 11 5
DPS-7.2
5 7
9
7
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DPS-7.2
EXPLODED VIEW PARTS LIST
REF.NO. PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION
1 27100399A Chassis 47 28184808 Top cover
3 27175316B Leg 49 838430088 3TTB+8B(BC), Self tapping screw
5 28141332 Cushion 53 28135278 Badge
7 838130088 3TTB+8B, Self tapping screw 54 28135284 Badge, DVD-AUDIO
9 27190428A KGLS-10RF, Holder 62 838440089 4TTC+8C(BC), Self tapping screw
11 27191112 KGPS-6RF, Holder 61 27122903B Rear panel
13 27190693 KGLS-6R, Holder E701 2045222012 NCFC5-222012, Flexible flat cable
15 838130208 3TTB+20B, Self tapping screw E705 2009990702UL NSAS-10P0978
16 29362584 Label DVD E751 2045081212 NCFC5-081212, Flexible flat cable
19 28325753 Knob power E903 260208 Binder, UL
21 27111221A Front bracket F1 252147 or 1.6A-TSC or
21 28325756 Knob, STANDBY 252252 1.6A-T/UL-ST2
23 28191928 Clear plate S731 25035710 NPS-115-S673, Cursor switch ass'y
25 28133398 B plate
Z10 24150022 DB-VPB302, Main PC board ass'y
27 82143010 3P+10FN(BC), Pan head screw
Z11 24801010 DB-VLD301-006, DVD mechanism ass'y
28 838126068 2.6TTB+6B, Self tapping screw
Z12 24840149A DB-VAC301, adapter(L)
29 838426088 2.6TTB+8B(BC), Self tapping screw
Z13 24840150A DB-VAC302, adapter(R)
31 28198935 Facet, PLAY
34 27268054 Guide, knob U1 1H465515-1G NADIS-7215-1G, Display PC board ass'y
35 28325958 Knob G, OPEN AS U2 1H465516-1G NADIS-7216-1G, Control switch PC board ass'y
36 28325452 Knob, MIC U4 1H465518-1G NASW-7218-1G, Power switch PC board ass'y
37 28325933 Knob, CRS U6 1H465520-1G NAPS-7220-1G, AC inlet PC board ass'y
38 27191142A Holder, PLT U7 1H465515-1G NAETC-7221-1G, RS-232C connector PC board ass'y
39 27191155 Holder, HP U8 1H465515-1B NAETC-7222-1B, Holder PC board ass'y
41 27212327A Front panel U9 1H465524-1D NAAR-7224-1D, Output terminal PC board ass'y
42 28148488 Door U10 1H465525-1D NAETC-7225-1D, Phones jack PC board ass'y
43 28148491 Door, MOULD U11 24150020A NGPS-0020-120V, Power supply unit
45 28198906 Facet, S
NOTE: THE COMPONENTS IDENTIFIED BY MARK ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
DPS-7.2
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DPS-7.2
EXPLODED VIEWS OF MECHANISM
DVD MECHANISM : DB-VLD301-006
2
6 8
To DVDM
CN151 8
8
12 8
18 20
13
23 A
17
16
19
15
A
14 10
11 Lubricating Oil
GYA1001
1
9
PARTS LIST
REF.NO PART NO. DESCRIPTION REF.NO. PART NO. DESCRIPTION
1 VNP1836 Loading PC board assy 12 VNL1918 Float base DVD
2 VXX2782 Traverse mechanism assy 13 VNL1919 Drive cam
6 VDA1864 Flexible cable 26P 14 VNL1921 Gear pulley
8 VEB1327 Float rubber 15 VNL1922 Loading gear
9 VEB1328 Belt 16 VNL1923 Drive gear
10 VNE2253 Stabilizer 17 VNL1925 SW lever
11 VNL1917 Loading base 18 VNE2251 Clamper plate
19 VNE2252 Bridge
20 VNL1924 Clamper
23 VNL1920 Tray
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DPS-7.2
A B C D
BLOCK DIAGRAMS-1
OVERALL
1
Z10 MAIN BOARD ASSY
CN101 (RF)
(24P) (24P)
RFO (RF) AIN BD0-BD7 149,150, IC80
(RF) 54 170 57-60
Spindle RF RF DSP RF
(RF)
ROMXA
IC701 63-66
152-155, M65774
OEIC 11 11 3 IC101 46 158,159
Motor B1 B1 BH
112 PE5220A CDDATA
MPE
20 20 6 LA9701M 56
B2 B2 PH
DVD DECODER 111 48 DECO
21 21 7 57 33M 4
B3 B3 FE
BY CHIP AV-
15 15 8 RF IC 42 16M 107 (SCRUT)
B4 B4 TE
16 16 9 35
PICKUP
ASSY T DRV
32 33 30 31 39 3
25 25 12
T RTN
IC351 FDO
24 24 13 M56788AFP 3 47 IC201 IC702 IC802
T DRV
23 23 9 FTS TDO LC78652W GM71VS65803CLT-5 HY57V161610DTC-8
26 F RTN
26 10 DRIVER 20 48 SERVO DSP 64M DRAM 16M SDRAM
2 CN104 34,35 31,32 15 14
46 14
Carriage 1,2 SPDO
Motor 16M
M 3,4
CN105 (12P) IC601 IC603 VYW1835
9-14 21 LOD POS PD6345A 8M FLASH
4-9 57 SYSTEM MEMORY
CN602 CN601 CN103 CONTROL CPU 105
LOAD-
IC251 44´48
1 1 1 BA6664FM
LOAD+
M 2 2 2 SPDL
S101 V+3D DRIVER 3.3V to 5V 5V to 3.3V
Loading 3 3 CONVERTER CONVERTER
Motor Loading SW2 LOD POS
Position 4 4
Switch SW1(GNDS) V+5S V+5V V+5D V+12D V+12M
5 5
PD0-PD7
V+3D
SW+5 V12M
V3VD
LOAB ASSY V+6M
CN501
CN401 (2/2)
3 5,7 2 8,10 22
(30P)
1-10 16-23
(40P)
5,7 2 8,10 9 1-10 16-23
P301 CN302 (2/2) CN601
RI (40P)
REMOTE
CONTROL PD0-PD7
(VD)
U11
1-8
POWER SUPPLY
UNIT
CN2 P901
(14P) (14P)
-27V -27V
14 14
4 1 10
EV+5V
10
EV+5V
Q102ADV
AC IN 2 F1 8
+6V
8 V+6M
VID
+12V V+12V
6 6 ENCO
XRADY
+5V
EV+5V
4 4 V+5V
-27V
SCK
+3.3V
LT
SO
2 2 V+3V
SI
RI
P701A
(22P)
12 13 9 5 3 1
12 13 9 5 3 1
S731 P731 P701B
(22P)
CURSOR SWITCH
SYS IN /OUT
Q705
REMOTE INDICATOR
SENSOR
EV+5V
U2 OPERATION SWITCH
P ON
-27V
SCK
PC BOARD
SO
LT
SI
NADIS-7216
5 Q701
Q702
FL TUBE
MPD780232GC
OPERATION MICRO PROCESSOR
SWITCH OPERATION
(FL DRIVER)
SWITCH
JL771B JL771A
(5P) (5P)
U1 DISPLAY PC BOARD NAAR-7224
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DPS-7.2
A B C D
BLOCK DIAGRAMS-2
MECHANISM SECTION
(RF)
: RF SIGNAL ROUTE
(F)
: FOCUS SERVO LOOP LINE
1 (T)
: TRACKING SERVO LOOP LINE
(S)
: SLIDER SERVO LOOP LINE
PICKUP ASSY
CN101
2 (RF) (RF) (RF) (RF)
(F) (F)
(F) (F)
(T) (T)
(T) (T)
(F) (F)
(F) (F)
(F) (F) (F)
(T) (T) (T)
(T) (T) (T)
(F) (F) (F)
Z10
3 MAIN BOARD
SPINDLE MOTOR
CN105
STEPPING MOTOR
(CARRIAGE)
(S)
4 CN104
(S)
(S)
(S)
CN103
S101
: VSK1011
CN602
S2B-PH-K LOADING
MOTOR
ASSY
CN601 : VXX2505
S5B-PH-K
5
LOAB ASSY
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DPS-7.2
E F G H
(Y)
(RF) (VD) : Y SIGNAL ROUTE
: RF SIGNAL ROUTE : VIDEO DATA SIGNAL ROUTE
(C)
(AD) : C SIGNAL ROUTE
: AUDIO DATA SIGNAL ROUTE : VIDEO SIGNAL ROUTE
(R)
(V) : R SIGNAL ROUTE
: AUDIO SIGNAL ROUTE : V SIGNAL ROUTE
(G)
(D) : G SIGNAL ROUTE
: AUDIO (DIGITAL) SIGNAL ROUTE
(B)
: B SIGNAL ROUTE
U9 OUTPUT TERMINAL PC BOARD
IC491
NAAR-7224
(D) IC401
TC74VHC153FT TC7SH04FU CN401(1/2) CN302(1/2)
(40P) (40P)
DOUT0 22/24M Q302
(D)
P302
IC801 74 4 2 4 (D) DOUT (D)
DOUT1 7 25 25 COAXIAL
5774BFP 73 3
(D)
MPEG2 IC904 DACCLK DIGITAL OUT
LC89051V IC906 18 18 DACCLK
ECODER 71 1 23 TC74VHC157FT
(D) OPTICAL
AV-1 68 2
95-98, 4 3 (AD) DATA0 (AD)
55 64 AO0
100-103 1 3 4 36 36
AO1 5 2 Q401
2 CS4392-KS Q403
27M 36/16M 5 (AD) DATA1 NJM4565M-D P401
PD0-PD7 7 31 31
IC905 19
TC7WH157FU 6 3 L
18
10 (AD) CH-1
DATA2
9 33 33 15 R
SDO0
SDO1
SDO2
SDI1
11
14 L
Q404
IC908 NJM4565M-D CH-2
IC913 10 4 5 6 TC74VHC157FT
TC7SH04FU R
55
IC901 XCA56367PV150 16 22/24M Q501
Q503
CS4392-KS
2 4 DVD AUDIO DSP 28 NJM4565-M-D
(AD) 2