PIONEER DEH P2850 Service Manual

PROVISIONAL

DEH-2800MP/XN/UC

HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER

DEH-2800MP

DEH-2850MP

This service manual should be used together with the following manual(s):

Model No. Order No. Mech.Module Remarks

CX-3164 CRT3583 S10.5COMP1 CD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly

/XN/ES

/XN/UC

For details, refer to "Important Check Points for Good Servicing".

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

K-ZZA. NOV. 2005 Printed in Japan

1234

SAFETY INFORMATION

CAUTION

A

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.

W

ARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm.

B

Health & Safety Code Section 25249.6 - Proposition 65

- CD Section 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

C

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.

D

E

F

2

1234

DEH-2800MP/XN/UC

5678

[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.

A

B

C

D

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.

3. Lubricants, Glues, and Replacement parts

Use grease and adhesives that are equal to the specified substance. Make sure the proper amount is applied.

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.

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.

56

DEH-2800MP/XN/UC

E

F

7

8

3

1234

1. SPECIFICATIONS

A

B

C

D

E

56

DEH-2800MP/XN/UC

F

7

8

5

1234

A

B

C

D

E

F

6

1234

DEH-2800MP/XN/UC

5678

A

B

C

D

E

56

DEH-2800MP/XN/UC

F

7

8

7

N

6

3

1234

2. EXPLODED VIEWS AND PARTS LIST

OTES : • Parts marked by " * " are generally unavailable because they are not in our Master Spare Parts List.

• The > mark found on some component parts indicates the importance of the safety factor of the part.

A

Therefore, when replacing, be sure to use parts of identical designation.

• Screw adjacent to mark on the product are used for disassembly.

• For the applying amount of lubricants or glue, follow the instructions in this manual. (In the case of no amount instructions,apply as you think it appropriate.)

2.1 PACKING(DEH-2800MP/XN/UC)

"

B

C

D

1

E

F

8

1234

DEH-2800MP/XN/UC

5678

PACKING(DEH-2800MP/XN/UC) SECTION PARTS LIST

Mark No. Description Part No.

1 Accessory Assy CEA4610 2 Screw Assy CEA6002 3 Fixing Screw(M2 x 4) CBA1994 4 Screw CBA1650 * 5 Polyethylene Bag CEG-127

Mark No. Description Part No.

11 Polyethylene Bag CEG1173 12 Carton CHG5633 13 Contain Box CHL5633 14 Protector CHP2664 15 Protector CHP2868

A

6 Screw CRZ50P090FTC 7 Screw TRZ50P080FTC * 8 Polyethylene Bag CEG-158 9 Handle CNC5395 10 Bush CNV3930

Owner's Manual,Installation Manual

Part No. Language

CRD4027 English, French, Spanish

CRD4028 English, French, Spanish

16-1 Owner's Manual CRD4027 16-2 Installation Manual CRD4028 16-3 Caution Card CRP1310 * 16-4 Warranty Card CRY1247 17 Cord Assy XDE7008

B

C

D

E

F

56

DEH-2800MP/XN/UC

7

8

9

1234

2.2 PACKING(DEH-2850MP/XN/ES)

A

4

5

8

B

18

14

C

17

6

7

9

10

11

1

2

12

15

13

16

D

E

F

10

1234

DEH-2800MP/XN/UC

5678

PACKING(DEH-2850MP/XN/ES) SECTION PARTS LIST

Mark No. Description Part No.

1 Accessory Assy CEA4850 2 Screw Assy CEA3849 3 ••••• 4 Screw CBA1650 * 5 Polyethylene Bag CEG-127

Mark No. Description Part No.

11 Polyethylene Bag CEG-162 12 Carton CHG5631 13 Contain Box CHL5631 14 Protector CHP2664 15 Protector CHP2868

A

6 Screw CRZ50P090FTC 7 Screw TRZ50P080FTC * 8 Polyethylene Bag CEG-158 9 Handle CNC5395 10 Bush CNV3930

16-1 Owner's Manual CRD4029 16-2 Installation Manual CRD4030 16-3 Caution Card CRP1310 17 Cord Assy XDE7008 18 Case Assy CXB3520

Owner's Manual,Installation Manual

Part No. Language

CRD4029 English, Spanish, Portuguese(B), Traditional Chinese, Arabic

CRD4030 English, Spanish, Portuguese(B), Traditional Chinese, Arabic

B

C

D

E

F

56

DEH-2800MP/XN/UC

7

8

11

1234

2.3 EXTERIOR

A

B

C

D

E

F

12

1234

DEH-2800MP/XN/UC

5678

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.

1 Screw BSZ26P060FTC 2 Screw BSZ26P100FTC

3 Cord Assy XDE7008

4 •••••

5 Cable CDE7985

6 Case CNB2793 7 Holder CNC8659 8 Insulator CNM9145

9 Tuner Amp Unit See Contrast table(2)

10 Screw ASZ26P060FTC

11 Screw BMZ26P160FTC 12 Screw BPZ26P080FTC > 13 Fuse(10A) CEK1208 14 Pin Jack(CN352) CKB1059 15 Plug(CN901) CKM1376

16 Connector(CN831) CKS3581

17 Connector(CN651) CKS3834

18 ••••• 19 Antenna Jack(CN401) CKX1056 20 Holder CND2414

21 Holder CND2413 22 Heat Sink CNR1762 23 FM/AM Tuner Unit CWE1957 24 Holder CND1054 25 Button CAC4836

26 Spring CBH1835 27 Spring CBH2208 28 Spring CBH2367 29 Bracket CNC6791 30 Holder CNC8042

Mark No. Description Part No.

31 Cover CNM6276 32 Panel CNS8404 33 Arm CNV4692 34 Arm CNV4728 35 Arm CNV5576

36 Screw IMS20P030FTB 37 Detach Grille Assy See Contrast table(2) 38 Screw BPZ20P100FTB

39 Button CAC9382 40 Button See Contrast table(2)

41 Button CAC9385 42 Button CAC9386 43 Button CAC9387 44 Button CAC9388 45 Button See Contrast table(2)

46 Spring CBH2210 47 Cover CNS8367 48 LCD See Contrast table(2) 49 Connector(CN1801) CKS3580 50 Holder CND2949

51 Transistor(Q911,921,991) 2SD2396

52 IC(IC302) PAL007B 53 Lighting Conductor CNV8712 54 Rubber CNV8713 55 Connector CNV8714

56 Grille Unit See Contrast table(2)

57 Chassis Unit CXC3600 58 CD Mechanism Module(S10.5) CXK5752 59 Panel See Contrast table(2)

A

B

C

D

(2) CONTRAST TABLE

DEH-2800MP/XN/UC and DEH-2850MP/XN/ES are constructed the same except for the following:

Mark No. Description DEH-2800MP/XN/UC DEH-2850MP/XN/ES

9 Tuner Amp Unit CWN1275 CWN1276

37 Detach Grille Assy CXC5244 CXC5245

40 Button CAC9751 CAC9383 45 Button CAC9752 CAC9384 48 LCD CAW1906 CAW1905

56 Grille Unit CXC5277 CXC5279 59 Panel CNS8389 CNS8385

56

DEH-2800MP/XN/UC

7

E

F

8

13

1234

2.4 CD MECHANISM MODULE

A

B

C

D

E

F

14

1234

DEH-2800MP/XN/UC

5678

CD MECHANISM MODULE SECTION PARTS LIST

Mark No. Description Part No.

1 CD Core Unit(S10.5COMP1) CWX3176 2 Connector(CN101) CKS4182 3 Connector(CN901) CKS5284 4 Screw BMZ20P025FTC 5 Screw BSZ20P040FTC

6 Screw(M2 x 3) CBA1511 7 Screw(M2 x 4) CBA1835 8 Washer CBF1038 9 ••••• 10 Spring CBH2609

11 Spring CBH2612 12 Spring CBH2614 13 Spring CBH2616 14 Spring CBH2617 15 Spring CBH2620

16 Spring CBH2855 17 Spring CBH2937 18 Spring CBH2735 19 Spring CBH2854 20 Spring CBH2642

21 Spring CBH2856 22 Spring CBH2857 23 Spring CBH2860 24 Spring CBH2861 25 Spring CBL1686

26 Arm CND1909 27 Frame CND2582 28 Bracket CND2583 29 Arm CND2584 30 Lever CND2585

Mark No. Description Part No.

50 Rack CNV8342

51 Roller CNV8343 52 Holder CNV8344 53 Arm CNV8345 54 Guide CNV8347 55 Arm CNV8348

56 Arm CNV8349 57 Arm CNV8350 58 Clamper CNV8365 59 Arm CNV8386 60 Guide CNV8396

61 Arm CNV8413 62 Collar CNV8938 63 Motor Unit(M2) CXC4026 64 Arm Unit CXC4027 65 Chassis Unit CXC4028

66 Gear Unit CXC4029 67 Frame Unit CXC4031 68 Motor Unit(M1) CXC4166 69 Screw Unit CXC6359 70 Screw JFZ20P020FTC

71 Screw JGZ17P022FTC 72 Washer YE20FTC 73 Pickup Unit(P10.5)(Service) CXX1942 74 Screw IMS26P030FTC

A

B

C

D

31 Arm CND2586 32 Bracket CND2587 33 Arm CND2588 34 Lever CND2589 35 Holder CNV7201

36 Gear CNV7207 37 Gear CNV7208 38 Gear CNV7209 39 Gear CNV7210 40 Gear CNV7211

41 Gear CNV7212 42 Rack CNV7214 43 Arm CNV7216 44 Roller CNV7218 45 Gear CNV7219

46 Guide CNV7361 47 Gear CNV7595 48 Guide CNV7799 49 Arm CNV7805

56

DEH-2800MP/XN/UC

E

F

7

8

15

E

C P

1234

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A

B

ANTENNA

C

TUNER AMP UNIT

A

FM/AM TUNER UNIT

CN401

1

2

1

3

AM ANT

FM ANT

ATT

ANT adj

FMRF

RF adj

VDD

TUNPCK

VDD_3.3

TUNPDI

DI

SL

IC 5

5V 3.3V

3.3V 2.5V

3.3V

TUN 3.3V VCC(SYS 8V)

CK

NC

CE1

←

IC 4

←

2.5V

7 6 13 5 10 9 8 11 14 18 19 20 21

NC

CE2

ROM_VDD

IC 3 EEPROM

5.0V

OSC

LPF

IC 1

3.3V

MIXER, IF AMP

T51

CF52

RFGND

OSCGND

DGND

212 152216 4 17

AUDIOGNDNCVCC

TUNPDO

DO

NCNCNC

NC

IC 2

2.5V

DET, FM MPX

Rch

24

Lch

23

TUN_Lch

CD_Lch

1

2

PICKUP UNIT (P10.5)(SERVICE)

LASER

D

DIODE

MONITOR

DIODE

LOAD/

HOLOGRAM

FOCUS ACT.

TRACKING ACT.

SPINDLE

MOTOR

CARRIAGE

MOTOR

UNIT

LD-

MD

VREF

FOM FOP TOP TOM

LD+

M

E

CD CORE UNIT(S10.5COMP1)

C

D

F,E

S905

8EJ

4

NJM2886DL3-33

V3R3D

142

LD

143

PD

133

REFOUT

DIGITAL SERVO / DATA PROCESSOR

TD,FD

12

FOM

11

FOP

14

TOP

13

TOM

IC301

BA5835FP

16

SOP

15

SOM

18

LCOP

17

LCOM

S903

DSCSNS

IC203

CN101

15

14

Q101

5

REFO

88

AC,BD

FOM

33

FOP

2

TOP

1

TOM

44 14

S904 12EJ

V3R3D

+3.3V REGULATOR

IC201

UPD63763CGJ

RF-AMP,CD DECODER, MP3 , WMA, DECODER,

SD,MD

CD

DRIVER

CLCONT

LOEJ

CONT

1

3

LOCK/RFOK

21

41

CLCONT

22

40

LOEJ

9

47

CONT

CD CONTROLLER

32

12EJ

31

8EJ

30

DSCSNS

42

HOME

S901

HOME

VD

LOCK

56

63

CD3VON

PE5505A

46

XRST,XASTB,ADO,XCK,

XSO,XSI,WAIT,XINT

/CD3VON

RESET

CDMUTE

IC701

X1

X2

VDCONT

LOUT

XTAL

/XTAL

SWVDD

35

43 14 39

12

13

49

31

34

X201

16.93MHz

VDD

Q701

CDMUTE

BRST,BRXEN,BSRQ

BDATA,BSCK

VD

X701

4.00MHz

VDCONT

CN901

LOUT

VDD

/RESET

VD

CN651

LOUT

16

5

SYSTEM

I

11

10

VDD

B.UP

36

NC

RESET

11

10

13

8

CD VD

VD

1

20

2

19

VDCONT

12

9

Q991

Q992

BRST,BRXEN,BSRQ

BDATA,BSCK

F

16

1234

DEH-2800MP/XN/UC

5678

A

RESET

IC963

BD4834

2

VDD

1

TUN_Lch

CD_Lch

1

2

SYSTEM CONTROLLER

TUNPDO

11

TUNPDI

12

SL

76

TUNPCK

13

CE1

56

CE2

55

ELECTRONIC VOLUME/

SOURCE SELECTOR

IN1-L

IN2-L

IC601(2/2)

PE5518A

IC151

PML014

VCK, VDT, VST

MUTE

SYSPW

Front_ L

Rear_ L

48

43

60

RESET

TUNPDI

TUNPDO SL TUNPCK TUNPCE1 TUNPCE2

SYSTEM CONTROLLER

IC601(1/2)

PE5518A

6

7

DALMON

BSENS

ASENS

MUTE

Q452(2/2)

32

64

63

MUTE

Q452(1/2)

BSENS

ASENS

(SYS 8V)

TUN3V

VCC

VDD

TUN 3V REG.

IC901

1

NJM2885DL1-33

VDD REGULATOR

Q911

BACKUP SENSE

Q931

ACC SENSE

POWER AMP

14

FLIn

PAL007B(50W)

12

RLIn

22

MUTE

STBY

4

3

SYSPW

Q912

IC302

ACC

6,20

VCC

BREM

SYS 8V REG.

Q921

B.UP

CN352

2

RLch

MUTE

Q352

B

CN901

FUSE

1

10A

3

2

B.UP

23

FL-

21

FL+

3

RL-

5

RL+

BREM

Q923

25

B.UP

10

12

9

11

6

BACK UP

ACC

GND

FLFL+ RL-

RL+

B. REM

C

D

70

X1

X601

12.58291MHz

69

36

NC

X2

CN1801CN831

SW5V

5

6

8

7

4

3

SOURCE

DSENS

ILL

DPDT

KYDT

5.1V

S1805

SOURCE

SWVDD

SRC

DSENS

ILMPW

DPDT

KYDT

SWVDD

Q801

ILMPW

Q821

SWVDD

SOURCE

DSENS

ILM

DPDT

KYDT

VDD

21

SWVDD

66

65

B.UP

Q822

22

9

8

DEH-2800MP/XN/UC

56

S1801

VOL+

S1807

VOL-

S1812

4ch/RDM

S1818 S1838

AUDIO

18

DPDT

20

KYDT

7

KEY MATRIX

S1803 S1825

S1802

5ch/RPT

S1809

S1808

S1839

1ch

CLOCK

S1813 S1821

LEFT

DOWN

S1819 S1829

EJECT

KEY DATA

LCD DRIVER/

KEY CONTROLLER

IC1801

PD6340

BTB

S1814 S1822

S1820 BAND

S1804

3ch

S1810

LOC

S1815 S1823

UP

S1826 S1827

DISP/LOUD

KEYBOARD UNIT

B

S1806

2ch

S1811

6ch/PAUSE

S1816 S1824

RIGHT

22

X0

X1801 5MHz

23

X1

E

F

LCD

8

17

1234

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST".

A

A-a

A-a A-b

A-a

A-b

Large size

SCH diagram

Guide page

A-b

Detailed page

A-a

B

C

D

E

F

18

A

DEH-2800MP/XN/UC

1234

5678

A

A-b

B

C

D

E

56

DEH-2800MP/XN/UC

F

A

7

8

19

A

A-b

1234

1 2 3

B

CN901

C

R602

68K(DEH-2800MP/XN/UC)

NM(DEH-2850MP/XN/ES)

R601

33K(DEH-2800MP/XN/UC)

47K(DEH-2850MP/XN/ES)

A-b

A-a

D

E

F

A-a

20

1234

DEH-2800MP/XN/UC

R601

5678

A

4

A-b

B

CN1801

B

33K(DEH-2800MP/XN/UC)

47K(DEH-2850MP/XN/ES)

←

Decimal points for resistor

and capacitor fixed values

are expressed as :

2.2 2R2

0.022 R022

The > mark found on some component parts indicates

the importance of the safety factor of the part.

Therefore, when replacing, be sure to use parts of

Symbol indicates a resistor.

No differentiation is made between chip resistors and

discrete resistors.

Symbol indicates a capacitor.

No differentiation is made between chip capacitors and

discrete capacitors.

identical designation.

A-b

A-a

C

D

E

56

DEH-2800MP/XN/UC

NOTE :

F

A-a

7

8

21

1234

A

>

CEK1208 10A

B

>

TUNER AMP UNIT

A

C

A-b

A-a

D

E

F

A-b

22

1 2 3

DEH-2800MP/XN/UC

1234

PIONEER DEH P2850 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

SAFETY INFORMATION

CONTENTS

1. SPECIFICATIONS

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING(DEH-2800MP/XN/UC)

2.2 PACKING(DEH-2850MP/XN/ES)

2.3 EXTERIOR

2.4 CD MECHANISM MODULE

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)