PIONEER DV-350-K/WYXQ/FRGR Service Manual

Cover page of PIONEER DV-350-K/WYXQ/FRGR Service Manual

Service Manual for PIONEER DV-350-K/WYXQ/FRGR, downloadable as a PDF file.

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ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2002
RRV2610
T ­ ZZE MAY 2002 Printed in Japan
For details, refer to "Important symbols for good services".
DVD PLAYER
DV-454-K
DV-454-S
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Power Requirement
Regional restriction
codes (Region No.)
Remarks
DV-454-K
AC220-240V
2
DV-454-K
AC220-240V
2
DV-454-K
AC220-240V
2
DV-454-S
DV-454-S
DV-454-S
AC220-240V
2
Type
WYXU
WYXU/FRGR
WVXU
WYXU
WYXU/FRGR
WVXU
AC220-240V
AC220-240V
2
2
STANDBY/ON
Î
3
OPEN/
CLOSE
0
8
7
1
4
¡
¢
DV-454-K
Serial No.
Confirm it
background image
ORDER NO.
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2002
RRV2610
T ­ ZZE MAY 2002 Printed in Japan
For details, refer to "Important symbols for good services".
DVD PLAYER
DV-454-K
DV-454-S
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Power Requirement
Regional restriction
codes (Region No.)
Remarks
DV-454-K
AC220-240V
2
DV-454-K
AC220-240V
2
DV-454-K
AC220-240V
2
DV-454-S
DV-454-S
DV-454-S
AC220-240V
2
Type
WYXU
WYXU/FRGR
WVXU
WYXU
WYXU/FRGR
WVXU
AC220-240V
AC220-240V
2
2
STANDBY/ON
Î
3
OPEN/
CLOSE
0
8
7
1
4
¡
¢
DV-454-K
Serial No.
Confirm it
background image
2
1
23
4
12
3
4
C
D
F
A
B
E
DV-454-K
SAFETY INFORMATION
This service manual is intended for qualified service technicians ; it is not meant for the casual do-
it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been
trainedto properly and safely repair complex products such as those covered by this
manual.Improperly performed repairs can adversely affect the safety and reliability of the product
and mayvoid the warranty. If you are not qualified to perform the repair of this product properly and
safely, youshould not risk trying to do so and refer the repair to a qualified service technician.
WARNING !
THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1
BUT THE LASER COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR
CLASS 1.
A SPECIALLY INSTRUCTED PERSON SHOULD DO SERVICING OPERATION OF THE APPARATUS.
LASER DIODE CHARACTERISTICS
FOR DVD : MAXIMUM OUTPUT POWER : 5 mW
WAVELENGTH : 650 nm
FOR CD :
MAXIMUM OUTPUT POWER : 5 mW
WAVELENGTH : 780 nm
Additional Laser Caution
: See page 53.
1. Laser Interlock Mechanism
· Loading switch (S101 on the LOAB Assy) is used for interlock
mechanism of the laser.
When this switch turned ON in SW2 (XCLOSE) side (OPEN signal is
0V and XCLOSE signal is 3.5V), a laser becomes the status which can
completely oscillation.
Furthermore, the laser completely oscillates in the disc judgment and
disc playback.
When player is power ON state and laser diode is not completely
oscillating, 780nm laser diode is always oscillating by half power.
· Laser diode is driving with Q101 (650nm LD) and Q102 (780nm LD)
on the FJMB Assy.
Therefore, when short-circuit between the emitter and collector of these
transistors or the base voltage is supplied for transistors turn on, the
laser oscillates. (failure mode)
· In the test mode
, there is the mode that the laser oscillates except
for the disc judgment and playback. LD ON mode in the test mode
oscillates with the laser forcibly.
The interlock mechanism mentioned above becomes invalid in this
mode.
2. When the cover is open, close viewing through the objective lens with
the naked eye will cause exposure to the laser beam.
LABEL CHECK
(Printed on the Rear Panel)
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DV-454-K
[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
Discs compatible with this
player
Any disc that displays one of the following
logos should play in this player. Other
formats, including DVD-Audio, DVD-RAM,
DVD-ROM, CD-ROM (except those that
contain MP3 files), SACD and Photo CD will
not play.
Audio-CD
DVD-Video
Video-CD
CD-R
CD-RW
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DV-454-K
1. SPECIFICATIONS .................................................................................................................................................5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................... 6
2.1 PACKING ........................................................................................................................................................6
2.2 EXTERIOR SECTION ..................................................................................................................................... 8
2.3 LOADING MECHANISM ASSY ................................................................................................................... 10
2.4 TRAVERSE MECHANISM ASSY-S ............................................................................................................ 14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ............................................................................................ 16
3.1 BLOCK DIAGRAM ....................................................................................................................................... 16
3.1.1 SIGNAL ROUTE ........................................................................................................................................ 16
3.1.2 POWER SUPPLY BLOCK ........................................................................................................................ 18
3.1.3 WAVEFORMS ........................................................................................................................................... 19
3.2 LOAB ASSY and OVERALL WIRING DIAGRAM ........................................................................................20
3.3 FJMB ASSY 1/5 [FRONT END BLOCK] ...................................................................................................... 22
3.4 FJMB ASSY 2/5 [BACK END BLOCK] ........................................................................................................ 24
3.5 FJMB ASSY 3/5 [AUDIO BLOCK] ............................................................................................................... 26
3.6 FJMB ASSY 4/5 [VIDEO BLOCK] ................................................................................................................ 28
3.7 FJMB ASSY 5/5 [FL CONTROL BLOCK] .................................................................................................... 30
3.8 IRKY and PSWB ASSYS ............................................................................................................................. 32
3.9 POWER SUPPLY UNIT (VWR1352) ........................................................................................................... 34
3.10 POWER SUPPLY UNIT (VWR1354) ......................................................................................................... 35
3.11 SCRB ASSY ............................................................................................................................................... 36
4. PCB CONNECTION DIAGRAM ......................................................................................................................... 39
4.1 LOAB ASSY ................................................................................................................................................. 39
4.2 FJMB ASSY .................................................................................................................................................. 40
4.3 IRKY and PSWB ASSYS ............................................................................................................................. 44
4.4 POWER SUPPLY UNIT (VWR1352) ........................................................................................................... 45
4.5 POWER SUPPLY UNIT (VWR1354) ........................................................................................................... 46
4.6 SCRB ASSY ................................................................................................................................................. 47
5. PCB PARTS LIST ............................................................................................................................................... 48
6. ADJUSTMENT .................................................................................................................................................... 51
6.1 ADJUSTMENT ITEMS AND LOCATION ..................................................................................................... 51
6.2 JIGS AND MEASURING INSTRUMENTS ................................................................................................... 51
6.3 NECESSARY ADJUSTMENT POINTS ....................................................................................................... 52
6.4 TEST MODE ................................................................................................................................................. 53
6.5 MECHANISM ADJUSTMENT ...................................................................................................................... 54
7. GENERAL INFORMATION ................................................................................................................................ 57
7.1 DIAGNOSIS .................................................................................................................................................. 57
7.1.1 TEST MODE .............................................................................................................................................. 57
7.1.2 DISPLAY OF THE MECHANISM ERROR HISTORY .............................................................................. 63
7.1.3 TEST POINTS LOCATION & WAVEFORMS ........................................................................................... 66
7.1.4 TROUBLE SHOOTING ............................................................................................................................. 71
7.1.5 SEQUENCE AFTER THE POWER ON .................................................................................................... 73
7.1.6 DISASSEMBLY ......................................................................................................................................... 74
7.2 IC .................................................................................................................................................................. 79
7.3 CLEANING ................................................................................................................................................... 97
8. PANEL FACILITIES ............................................................................................................................................ 98
CONTENTS
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DV-454-K
1. SPECIFICATIONS
· Manufactured under license from Dolby
Laboratories. "Dolby" and the double-D
symbol are trademarks of Dolby Laboratories.
· "DTS" is a registered trademark of Digital
Theater Systems, Inc.
· TruSurround and the
® symbol are
trademarks of SRS Labs, Inc. TruSurround
technology is incorporated under license from
SRS Labs, Inc.
General
System ........................... DVD-Video, Video CD
CD and MP3 files
Power requirements .... AC 220­240V, 50/60 Hz
Power consumption..................................14 W
Power consumption (standby)..................... 0.3 W
Weight .................................................... 2.5 kg
Dimensions
DV-454 ............420 (W) x 55 (H) x 278 (D) mm
Operating temperature..............+5
°C to +35°C
Operating humidity .........................5% to 85%
(no condensation)
S-Video output
Y (luminance) - Output level..........1 Vp-p (75
)
C (color) - Output level.......... 286 mVp-p (75
)
Jack .............................................. S-Video jack
Video output
Output level ..................................1 Vp-p (75
)
Jack ...................................................RCA jack
AV connector output
AV Connectors (21-pin connector assignment)
AV connector input/output ..... 21-pin connector
This connector provides the video and audio
signals for connection to a compatible colour
TV or monitor.
PIN no.
11 ....................................................................... G out
3 ........................................................... Audio 1/L out
15 ................................................................R or C out
4 ..........................................................................GND
17 ........................................................................ GND
7 .........................................................................B out
19 ................................................... Video out or Y out
8 ....................................................................... Status
Audio output (1 stereo pair)
Output level .......................During audio output
200 mVrms (1 kHz, ­20 dB)
Number of channels ...................................... 2
Jacks ................................................. RCA jack
Digital audio characteristics
Frequency response................... 4 Hz to 44 kHz
(DVD fs: 96 kHz)
S/N ratio ................................................ 118 dB
Dynamic range ...................................... 101 dB
Total harmonic distortion .....................0.0016%
Wow and flutter..............Limit of measurement
(0.001%W. PEAK) or lower
Digital output
Optical digital output ...........Optical digital jack
Coaxial digital output ......................... RCA jack
Accessories
Audio/video cable ...........................................1
Power cable .................................................. . 1
Remote control............................................... 1
AA/R6P dry cell batteries ............................... 2
Operating Instructions ....................................1
Warranty card .................................................1
· The specifications and design of this
product are subject to change without
notice, due to improvement.
1 ........................................................... Audio 2/R out
21 ........................................................................ GND
Audio/Video Cable (L=1.5m): XDE3049
AA/R6P Dry Cell Batteries
Remote Control : VXX2800
Accessories
White
Red
Yellow
0
1
23
4
56
78
9
CLEAR
ENTER
ANGLE
AUDIO
TOP MENU
SETUP
SUBTITLE
PLAY MODE SURROUND
ZOOM
DISPLAY
MENU
RETURN
ENTER
STANDBY/ON
OPEN/CLOSE
4
/
e
E/
13
¡
¢
8
7
0
Power Cable [Other Types]
: ADG1154
Power Cable [WVXU Type]
: ADG1156

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