PIONEER AVH-P5750DVD/XF/BR Service Manual

Cover page of PIONEER AVH-P5750DVD/XF/BR Service Manual

Service Manual for PIONEER AVH-P5750DVD/XF/BR, downloadable as a PDF file.

We also have owner's manual to this model.

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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 2005
AVH-P5750DVD/RC
CRT3426
AV RECEIVER/DVD PLAYER 6.5 INCH WIDE DISPLAY
AVH-P5750DVD
/RC
AVH-P5750DVD/RD
AVH-P5750DVD/RI
This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech.Module
Remarks
CX-3078
CRT3257
MS-3V1
DVD Mech. Module:Circuit Description, Mech. Description, Disassembly
For details, refer to "Important Check Points for Good Servicing".
K-ZZD.MAR. 2005 Printed in Japan
Manufactured under license from Dolby Laboratories. "Dolby" and the double-D sysmbol
are trademarks of Dolby Laboratories.
"DTS" and "DTS Digital Surround" are registered trademarks of Digital Theater Systems,
Inc.
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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 2005
AVH-P5750DVD/RC
CRT3426
AV RECEIVER/DVD PLAYER 6.5 INCH WIDE DISPLAY
AVH-P5750DVD
/RC
AVH-P5750DVD/RD
AVH-P5750DVD/RI
This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech.Module
Remarks
CX-3078
CRT3257
MS-3V1
DVD Mech. Module:Circuit Description, Mech. Description, Disassembly
For details, refer to "Important Check Points for Good Servicing".
K-ZZD.MAR. 2005 Printed in Japan
Manufactured under license from Dolby Laboratories. "Dolby" and the double-D sysmbol
are trademarks of Dolby Laboratories.
"DTS" and "DTS Digital Surround" are registered trademarks of Digital Theater Systems,
Inc.
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AVH-P5750DVD/RC
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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 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.
RC, RI
1. Safety Precautions for those who Service this Unit.
· Follow the adjustment steps in the service manual when servicing this unit. When checking or adjusting the emitting
power of the laser diode exercise caution in order to get safe, reliable results.
Caution:
1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.
2. During repair or tests, do not view laser beam for 10 seconds or longer.
2. The triangular label is attached to the mechanism
unit frame.
CLASS 1
LASER PRODUCT
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On the top of the player.
CAUTION :
VORSICHT :
ADVARSEL :
VARNING :
VARO!
:
VISIBLE AND INVISIBLE LASER RADIATION WHEN OPEN.
AVOID EXPOSURE TO BEAM.
SICHTBARE UND UNSICHTBARE LASERSTRAHLUNG, WENN
ABDECKUNG GEÖFFNET NICHT DEM STRAHL AUSSETZEN!
SYNLIG OG USYNLIG LASERSTRÅLING VED ÅBNING
UNDGÅ UDSÆTTELSE FOR STRÀLING.
SYNLIG OCH OSYNLIG LASERSTRÅLNING NÄR DENNA
DEL ÄR ÖPPNAD BETRAKTA EJ STRÅLEN.
AVATTAESSA ALTISTUT NÄKYVÄ JA NÄKYMÄTTÖMÄLLE
LASERSATEIL YLLE. ÄLÄ KATSO SÄTEESEN.
VRW1860
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
Wave length:
DVD:640~660nm
CD:770~810nm
DVD : 2.48mw(Emitting period :9sec. )
CD : 705
µw(Emitting period : unlimited)
Additionla Laser Caution
Transistors Q1101 and Q1102 in PCB drive the laser diodes for DVD and CD
respectively. When Q1101 or Q1102 is shorted between their terminals,
the laser diodes for DVD or CD will radiate beam. If the top cover is removed
with no disc loaded while such short-circuit is continued, the naked eyes may
be exposed to the laser beam.
RI
RC
CAUTION
Danger of explosion if battery is incorrectly replaced.
Replaced only with the same or equivalent type recommended by the manufacture.
Discord used batteries according to the manufacture's instructions.
RI
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After completing repair of this product, please confirm that the fan motor (center) is rotating.
Check Method
1. DVD video is played with this product.
2. The operation is normal if the operation noise (pulse) can be observed after connecting oscilloscope to TP781
located at the bottom of this product. Under this circumstance, be careful not to contact TP781 with chassis as
the power fuse of fan motor (center) will blow out, disabling the fan motor (center) to rotate.
- Operation Check of Fan Motor (Center)
- Inverter for LCD back light becomes a high voltage.
- Service Precaution
1. 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.
2. Before disassembling the unit, be sure to turn off
the power. Unplugging and plugging the connectors
during power-on mode may damage the ICs inside
the unit.
3. To protect the pickup unit from electrostatic discharge
during servicing, take an appropriate treatment
(shorting-solder) .
4. After replacing the pickup unit, be sure to skew
adjustment.
5. During disassembly, be sure to turn the power off since
an internal IC might be destroyed when a connector
is plugged or unplugged.
Bottom of this product
TP781
Oscilloscope
is a trademark of DVD Format/Logo Licensing Corporation.
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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.
0 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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