PIONEER XV-DV272/LFXJ Service Manual

Cover page of PIONEER XV-DV272/LFXJ Service Manual

Service Manual for PIONEER XV-DV272/LFXJ, 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 2008
2008 Printed in Japan
XV-DV575
RRV3748
DVD/CD RECEIVER
XV-DV575
XV-DV580
XV-DV385K
XV-DV395K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Regional restriction
codes
(Region No.)
Remarks
XV-DV575
WYXJ5
AC 220 V to 240 V
2
XV-DV580
WYXJ5
AC 220 V to 240 V
2
XV-DV580
WVXJ5
AC 220 V to 240 V
2
XV-DV385K
WSXJ5
AC 220 V to 240 V
5
XV-DV395K
WSXJ5
AC 220 V to 240 V
5
For details, refer to "Important Check Points for good servicing".
T-IZK APR.
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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 2008
2008 Printed in Japan
XV-DV575
RRV3748
DVD/CD RECEIVER
XV-DV575
XV-DV580
XV-DV385K
XV-DV395K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
Power Requirement
Regional restriction
codes
(Region No.)
Remarks
XV-DV575
WYXJ5
AC 220 V to 240 V
2
XV-DV580
WYXJ5
AC 220 V to 240 V
2
XV-DV580
WVXJ5
AC 220 V to 240 V
2
XV-DV385K
WSXJ5
AC 220 V to 240 V
5
XV-DV395K
WSXJ5
AC 220 V to 240 V
5
For details, refer to "Important Check Points for good servicing".
T-IZK APR.
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SAFETY INFORMATION
LABEL CHECK
Name label
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
trained to 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 may
void the warranty. If you are not qualified to perform the repair of this product properly and safely, you
should 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 24.
1.
· Laser diode is driving with Q307 (650 nm LD) and Q308
(780 nm LD) on the 08 DVDM 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.
2. When the cover is open, close viewing through the objective
lens with the naked eye will cause exposure to the laser beam.
VRW2257
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[Important Check Points for Good Servicing]
In this manual, procedures that must be performed during repairs are marked with the below symbol.
Please be sure to confirm and follow these procedures.
1. Product safety
Please conform to product regulations (such as safety and radiation regulations), and maintain a safe servicing environment by
following the safety instructions described in this manual.
1 Use specified parts for repair.
Use genuine parts. Be sure to use important parts for safety.
2 Do not perform modifications without proper instructions.
Please follow the specified safety methods when modification(addition/change of parts) is required due to interferences such as
radio/TV interference and foreign noise.
3 Make sure the soldering of repaired locations is properly performed.
When you solder while repairing, please be sure that there are no cold solder and other debris.
Soldering should be finished with the proper quantity. (Refer to the example)
4 Make sure the screws are tightly fastened.
Please be sure that all screws are fastened, and that there are no loose screws.
5 Make sure each connectors are correctly inserted.
Please be sure that all connectors are inserted, and that there are no imperfect insertion.
6 Make sure the wiring cables are set to their original state.
Please replace the wiring and cables to the original state after repairs.
In addition, be sure that there are no pinched wires, etc.
7 Make sure screws and soldering scraps do not remain inside the product.
Please check that neither solder debris nor screws remain inside the product.
8 There should be no semi-broken wires, scratches, melting, etc.on the coating of the power cord.
Damaged power cords may lead to fire accidents, so please be sure that there are no damages.
If you find a damaged power cord, please exchange it with a suitable one.
9 There should be no spark traces or similar marks on the power plug.
When spark traces or similar marks are found on the power supply plug, please check the connection and advise on secure
connections and suitable usage. Please exchange the power cord if necessary.
a Safe environment should be secured during servicing.
When you perform repairs, please pay attention to static electricity, furniture, household articles, etc. in order to prevent injuries.
Please pay attention to your surroundings and repair safely.
2. Adjustments
To keep the original performance of the products, optimum adjustments and confirmation of characteristics within specification.
Adjustments should be performed in accordance with the procedures/instructions described in this manual.
4. Cleaning
For parts that require cleaning, such as optical pickups, tape deck heads, lenses and mirrors used in projection monitors, proper
cleaning should be performed to restore their performances.
3. Lubricants, Glues, and Replacement parts
Use grease and adhesives that are equal to the specified substance.
Make sure the proper amount is applied.
5. Shipping mode and Shipping screws
To protect products from damages or failures during transit, the shipping mode should be set or the shipping screws should be
installed before shipment. Please be sure to follow this method especially if it is specified in this manual.
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CONTENTS
SAFETY INFORMATION ..........................................................................................................................................................2
1. SERVICE PRECAUTIONS ....................................................................................................................................................5
1.1 NOTES ON SOLDERING ...............................................................................................................................................5
1.2 CAUTION ........................................................................................................................................................................5
1.3 WHEN REPLACING DVD MECHA ASSY ......................................................................................................................6
1.4 DISC REMOVAL METHOD AT NO POWER SUPPLY ....................................................................................................6
2. SPECIFICATIONS .................................................................................................................................................................7
2.1 SPECIFICATIONS, DISC/CONTENT FORMAT AND ACCESORRIES ..........................................................................7
2.2 PANEL FACILITIES .........................................................................................................................................................8
3. BASIC ITEMS FOR SERVICE.............................................................................................................................................11
3.1 CHECK POINTS AFTER SERVICING..........................................................................................................................11
3.2 PCB LOCATIONS .........................................................................................................................................................12
3.3 JIGS LIST .....................................................................................................................................................................13
4. BLOCK DIAGRAM...............................................................................................................................................................14
4.1 OVERALL WIRING CONNECTION DIAGRAM ............................................................................................................14
4.2 OVERALL BLOCK DIAGRAM.......................................................................................................................................16
4.3 DVD LOADER/DECODER BLOCK DIAGRAM .............................................................................................................18
5. DIAGNOSIS.........................................................................................................................................................................19
5.1 METHOD FOR DIAGNOSING DEGRADATION OF THE LDS ON THE PICKUP ........................................................19
5.2 DVD TROUBLE SHOOTING.........................................................................................................................................20
5.3 CIRCUIT DESCRIPTION OF DIGITAL AMP SECTION................................................................................................22
5.4 SPECIFICATIONS OF PROTECTION CIRCUITS FOR DIGITAL AMP SECTION .......................................................23
6. SERVICE MODE .................................................................................................................................................................24
6.1 TEST MODE .................................................................................................................................................................24
6.2 DISPLAY SPECIFICATIONS OF THE TEST MODE.....................................................................................................25
6.3 FUNCTIONAL SPECIFICATIONS OF THE SHORTCUT KEY .....................................................................................26
6.4 SPECIFICATIONS OF MODEL INFORMATION DISPLAY ...........................................................................................27
6.5 FUNCTIONAL SPECIFICATIONS OF THE SERVICE MODE ......................................................................................28
6.6 SERVICE TEST MODE ................................................................................................................................................29
6.7 DISPLAY SPECIFICATIONS OF DSP ERROR ............................................................................................................32
7. DISASSEMBLY....................................................................................................................................................................33
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................41
8.1 ID NUMBER AND ID DATA SETTING...........................................................................................................................41
9. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................44
9.1 PACKING SECTION .....................................................................................................................................................44
9.2 EXTERIOR SECTION...................................................................................................................................................46
9.3 DVD MECHA ASSY ......................................................................................................................................................48
10. SCHEMATIC DIAGRAM ....................................................................................................................................................50
10.1 08 DVDM ASSY (1/2)..................................................................................................................................................50
10.2 08 DVDM ASSY (2/2)..................................................................................................................................................52
10.3 SYSMAIN ASSY (1/5) .................................................................................................................................................54
10.4 SYSMAIN ASSY (2/5) .................................................................................................................................................56
10.5 SYSMAIN ASSY (3/5) .................................................................................................................................................58
10.6 SYSMAIN ASSY (4/5) .................................................................................................................................................60
10.7 SYSMAIN ASSY (5/5) .................................................................................................................................................62
10.8 COMPLEX ASSY ........................................................................................................................................................64
10.9 EUROSCART ASSY ...................................................................................................................................................66
10.10 DSP ASSY (XV-DV575, XV-DV580 ONLY) ...............................................................................................................68
10.11 POWER SUPPLY UNIT.............................................................................................................................................70
10.12 WAVEFORMS ...........................................................................................................................................................72
11. PCB CONNECTION DIAGRAM ........................................................................................................................................74
11.1 EUROSCART ASSY ...................................................................................................................................................75
11.2 08 DVDM ASSY ..........................................................................................................................................................76
11.3 SYSMAIN ASSY .........................................................................................................................................................78
11.4 COMPLEX ASSY ........................................................................................................................................................82
11.5 POWER SUPPLY UNIT...............................................................................................................................................84
11.6 DSP ASSY (XV-DV575, XV-DV580 ONLY) .................................................................................................................86
12. PCB PARTS LIST ..............................................................................................................................................................87
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1. SERVICE PRECAUTIONS
1.1 NOTES ON SOLDERING
1.2 CAUTION
· For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit.
Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs
accompanied by reworking of soldering.
· Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 °C.
Therefore, for lead-free soldering, the tip temperature of a soldering iron must be set to around 373 °C in general, although
the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of
the soldering iron.
Do NOT use a soldering iron whose tip temperature cannot be controlled.
Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting
temperatures (hard to melt/easy to harden).
The following lead-free solders are available as service parts:
· Parts numbers of lead-free solder:
GYP1006 1.0 in dia.
GYP1007 0.6 in dia.
GYP1008 0.3 in dia.
NOTES ON BTL DRIVE
As a signal to drive the BTL is output from the negative speaker terminal, DO NOT short-circuit between the negative
speaker terminal and ground, such as the chassis.
Do not short-circuit between the plus speaker terminal and ground, such as the chassis, too.
Negative Speaker Terminal
Ground (Chassis)
Do not short-circuit

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