PIONEER DEH-2080MP/X1F/BR Service Manual

Cover page of PIONEER DEH-2080MP/X1F/BR Service Manual

Service Manual for PIONEER DEH-2080MP/X1F/BR, downloadable as a PDF file.

We also have owner's manual to this model.

Manual details

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  • The manual has 60 pages
  • File size: 7.33 MB
  • Available language versions: English
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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 2007
DEH-2050MP/XN/ES
CRT4044
CD RECEIVER
DEH-2050MP
/XN/ES
DEH-2050MPG/XN/ES
DEH-2050MPG/XN/ES1
This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech.Module
Remarks
CX-3195
CRT3815
S10.5COMP2
CD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly
For details, refer to "Important Check Points for Good Servicing".
K-ZZU. OCT. 2007 Printed in Japan
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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 2007
DEH-2050MP/XN/ES
CRT4044
CD RECEIVER
DEH-2050MP
/XN/ES
DEH-2050MPG/XN/ES
DEH-2050MPG/XN/ES1
This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech.Module
Remarks
CX-3195
CRT3815
S10.5COMP2
CD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly
For details, refer to "Important Check Points for Good Servicing".
K-ZZU. OCT. 2007 Printed in Japan
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DEH-2050MP/XN/ES
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SAFETY INFORMATION
- Safety Precautions for those who Service 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 13 cm from the focus lens must be kept.
2. During repair or tests, do not view laser beam for 10 seconds or longer.
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.
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.
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DEH-2050MP/XN/ES
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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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DEH-2050MP/XN/ES
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CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SERVICE PRECAUTIONS ............................................................................................................................... 5
1.1 SERVICE PRECAUTIONS......................................................................................................................... 5
1.2 NOTES ON SOLDERING .......................................................................................................................... 5
2. SPECIFICATIONS ............................................................................................................................................ 6
2.1 SPECIFICATIONS...................................................................................................................................... 6
2.2 DISC/CONTENT FORMAT ........................................................................................................................ 6
2.3 PANEL FACILITIES .................................................................................................................................... 7
2.4 CONNECTION DIAGRAM ......................................................................................................................... 8
3. BASIC ITEMS FOR SERVICE.......................................................................................................................... 9
3.1 CHECK POINTS AFTER SERVICING....................................................................................................... 9
3.2 PCB LOCATIONS .................................................................................................................................... 10
3.3 JIGS LIST ................................................................................................................................................ 11
4. BLOCK DIAGRAM.......................................................................................................................................... 12
4.1 BLOCK DIAGRAM ................................................................................................................................... 12
5. DIAGNOSIS.................................................................................................................................................... 16
5.1 OPERATIONAL FLOW CHART ............................................................................................................... 16
5.2 ERROR CODE LIST ................................................................................................................................ 17
5.3 CONNECTOR FUNCTION DESCRIPTION ............................................................................................. 18
6. SERVICE MODE ............................................................................................................................................ 19
6.1 CD TEST MODE ...................................................................................................................................... 19
6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT.................................................... 21
7. DISASSEMBLY............................................................................................................................................... 23
8. EACH SETTING AND ADJUSTMENT ........................................................................................................... 26
8.1 PCL OUTPUT CONFIRMATION .............................................................................................................. 26
9. EXPLODED VIEWS AND PARTS LIST.......................................................................................................... 26
9.1 PACKING ................................................................................................................................................. 26
9.2 EXTERIOR............................................................................................................................................... 28
9.3 CD MECHANISM MODULE..................................................................................................................... 30
10. SCHEMATIC DIAGRAM ............................................................................................................................... 32
10.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)............................................................................ 32
10.2 KEYBOARD UNIT.................................................................................................................................. 38
10.3 CD MECHANISM MODULE(GUIDE PAGE) .......................................................................................... 40
10.4 WAVEFORMS ........................................................................................................................................ 46
11. PCB CONNECTION DIAGRAM ................................................................................................................... 48
11.1 TUNER AMP UNIT................................................................................................................................. 48
11.2 KEYBOARD UNIT.................................................................................................................................. 52
11.3 CD CORE UNIT(S10.5COMP2)............................................................................................................. 54
12. ELECTRICAL PARTS LIST .......................................................................................................................... 56
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1. SERVICE PRECAUTIONS
1.1 SERVICE PRECAUTIONS
1.2 NOTES ON SOLDERING
- 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) by referring to "the DISASSEMBLY".
4. After replacing the pickup unit, be sure to check the
grating.
5. Be careful in handling ICs. Some ICs such as MOS
type are so fragile that they can be damaged by
electrostatic induction.
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.
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.

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