PIONEER DEHP790BT, DEH P7900BT, DEHP8950BT Service Manual

CD RECEIVER

ORDER NO.

CRT3903

DEH-P790BT/XN/UC

DEH-P790BT

DEH-P7900BT DEH-P8950BT

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

/XN/UC

/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 2007

K-ZZA. MAR. 2007 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.

WARNING

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

- 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.

C

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.

- Service Precaution

1. You should conform to the regulations governing

D

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

E

grating.

5. Be careful in handling ICs. Some ICs such as MOS type are so fragile that they can be damaged by electrostatic induction.

6. When diagnosing a product, take care of its heated portion. Holder (CND3133) Bluetooth Unit

CAUTION

F

2

1234

DEH-P790BT/XN/UC

5 678

[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.

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-P790BT/XN/UC

E

F

7

8

3

1234

1. SPECIFICATIONS

A

B

C

D

E

56

DEH-P790BT/XN/UC

F

7

8

5

1234

A

B

C

D

E

F

6

1234

DEH-P790BT/XN/UC

5 678

A

B

C

D

E

56

DEH-P790BT/XN/UC

F

7

8

7

1234

N

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-P790BT/XN/UC)

""

32

30

2

16

17

23

B

1

27

25

26

C

12

7

14

3

10

8

11

24

28

9

10

14

15

5

20

6

5

29

13

4

19

D

31

22

E

21

19

20

18

DEH-P790BT/XN/UC packing

F

8

1234

DEH-P790BT/XN/UC

5 678

PACKING(DEH-P790BT/XN/UC) SECTION PARTS LIST

Mark No. Description Part No.

1 Cord Assy CDE8284

2 Cord Assy CDP1009

* 3 Accessory Assy CEA7537

4 Cord Clamper Assy CEA4636

* 5 Clamper CNV8262

* 6 Polyethylene Bag E36-615

7 Screw Assy CEA5322

8 Screw CBA1650

* 9 Polyethylene Bag CEG-127

10 Screw CRZ50P090FTC

A

11 Screw JPZ20P060FTB

12 Screw TRZ50P080FTC

* 13 Polyethylene Bag CEG1160

14 Handle CND3707

15 Bush CNV3930

16 Sub Unit Box CHG5195

17 Unit Box CHG6114

18 Contain Box CHL6114

19 Protector CHP2797

20 Protector CHP2798

21 Protector CHP2812

22 Protector CHP3333

23 Microphone Assy CPM1064

24 Clip Holder CZN5471

25 Microphone Holder CZN5472

26 Cushion CZN5473

* 27 Microphone CZX5059

28 Remote Control Unit CXC7555

29 Case Assy XXA7417

30-1 Owner's Manual CRD4204

(English, French)

B

C

D

30-2 Installation Manual CRD4209

(English, French)

30-3 Caution Card CRP1310

* 30-4 Warranty Card CRY1070

* 30-5 Caution Card XRP7002

30-6 Polyethylene Bag CEG1116

* 30-7 Caution Card CRP1359

31 Polyethylene Bag CEG1368

32 Cord Assy XDP7005

56

DEH-P790BT/XN/UC

E

F

7

8

9

1234

2.2 PACKING(DEH-P7900/BT/XN/UC, DEH-P8950BT/XN/ES)

A

27

DEH-P7900 & 8950 packing

3

B

6

26

29

7

C

21

1

28

18

20

19

2

9

11

10

5

4

19

15

16

13

10

12

24

D

23

25

22

14

8

17

E

F

10

1234

DEH-P790BT/XN/UC

5 678

(1) PACKING(DEH-P7900BT/XN/UC, DEH-P8950BT/XN/ES) SECTION PARTS LIST

No. Description Part No.

Mark No. Description Part No.

1 Cord Assy CDE8284

2 Cord Assy CDP1009

3 Unit box See Contrast table(2)

4 Contain box See Contrast table(2)

5 Protector L CHP3373

6 Protector R CHP3374

7 Case Assy XXA7417

* 8 Accessory Assy See Contrast table(2)

9 Cord Clamper Assy CEA4636

* 10 Clamper CNV8262

* 11 Polyethylene Bag E36-615

12 Screw Assy See Contrast table(2)

13 Screw CBA1650

* 14 Polyethylene Bag CEG-127

15 Screw CRZ50P090FTC

16 Screw See Contrast table(2)

17 Screw TRZ50P080FTC

* 18 Polyethylene Bag CEG1160

Mark

19 Handle CND3707

20 Bush CNV3930

21 Microphone Assy CPM1064

22 Clip Holder CZN5471

23 Microphone Holder CZN5472

* 24 Microphone CZX5059

25 Cushion CZN5473

26 Remote Control Unit CXC7555

27-1 Owner's manual See Contrast table(2)

27-2 Owner's Manual See Contrast table(2)

27-3 Installation Manual See Contrast table(2)

27-4 Caution Card CRP1310

* 27-5 Warranty Card See Contrast table(2)

* 27-6 Caution Card XRP7002

27-7 Polyethylene Bag CEG1116

* 27-8 Caution Card See Contrast table(2)

28 Polyethylene Bag See Contrast table(2)

29 Protector CHP3375

A

B

(2) CONTRAST TABLE

DEH-P7900BT/XN/UC and DEH-P8950BT/XN/ES are constructed the same except for the following:

Mark No. Description DEH-P7900BT/XN/UC DEH-P8950BT/XN/ES

3 Unit box CHG6111 CHG6110 4 Contain box CHL6111 CHL6110

* 8 Accessory Assy CEA7537 CEA7536

12 Screw Assy CEA5322 CEA3849 16 Screw JPZ20P060FTB Not used

27-1 Owner's Manual CRD4205 CRD4206 27-2 Owner's Manual Not used CRD4207

27-3 Installation Manual CRD4210 CRD4211 * 27-5 Warranty Card CRY1246 Not used * 27-8 Caution Card CRP1358 Not used

28 Polyethylene Bag CEG1173 CEG-162

Owner's Manual,Installation Manual

Part No. Language

CRD4205 English, French

CRD4206 English, Spanish, Portuguese(B)

CRD4207 Arabic, Traditional Chinese

CRD4210 English, French

CRD4211 English, Spanish, Portuguese(B), Arabic, Traditional Chinese

C

D

E

56

DEH-P790BT/XN/UC

F

7

8

11

1234

2.3 EXTERIOR(1)

A

28

27

1

3

30

2

5

30

4

31

B

5

10

13

10

16

26

14

C

21

25

18

BB

10

15

19

20

17

23

24

22

9

11

12

DEH-P790BT/XN/UC 1/2

D

7

6

E

8

F

12

DEH-P790BT/XN/UC

1234

5 678

(1) EXTERIOR(1) SECTION PARTS LIST

No. Description Part No.

Mark No. Description Part No.

1 Cord Assy CDE8284

2 Cap CNV6727

3 Cord Assy CDP1009

> 4 Fuse(10 A) CEK1136

Mark

17 Holder CND3781

18 Double Sided Tape CNM8673

19 Holder CNV9435

20 OEL Unit MXS8260

5 Cap CNS1472

21 Holder CNV9676

6 Case CNB3447

7 Holder CND3598

8 Panel See Contrast table(2)

9 Detach Grille Assy See Contrast table(2)

22 Knob Unit CXC7271

23 Spring XBL7005

24 Sub Grille Assy See Contrast table(2)

25 Button Unit(SRC/BAND) CXC7558

10 Screw BPZ20P080FTB

26 Button Unit(PHONE) CXC7559

11 Button(LIST/ATT/EQ/DISP/CLOCK)CAI1154

12 Button(EJECT) CAI1155

13 Cover CNS8491

14 Lighting Conductor CNV9509

27 Remote Control Unit CXC7555

28 Cover CZN5357

29 •••••

30 Resistor RS1/2PMF102J

15 Connector(CN1961) CKS5545

31 Cord Assy See Contrast table(2)

16 Connector(CN1801) CKS5662

(2) CONTRAST TABLE

DEH-P790BT/XN/UC, DEH-P7900BT/XN/UC and DEH-P8950BT/XN/ES are constructed the same except for the following:

Mark No. Description DEH-P790BT/XN/UC DEH-P7900BT/XN/UC DEH-P8950BT/XN/ES

8 Panel CNS8914 CNS8915 CNS8915

9 Detach Grille Assy CXC7496 CXC7495 CXC7497

24 Sub Grille Assy CXC7501 CXC7500 CXC7502

31 Cord Assy XDP7005 Not Used Not Used

A

B

C

D

E

F

56

DEH-P790BT/XN/UC

7

8

13

1234

59

2.4 EXTERIOR(2)

47

2

49

51

45

A

46

45

52

53

50

56

64

48

46

60

56

47

58

49

63

EE

62

57

61

A

C

B

54

55

4

12

B

1

C

1

8

1

90

7

5

: GEM1024

D

: GEM1069

(2)

67

73

FF

75

67

74

3

89

78

E

3

89 86

66

A

85

66

72

89

88

87

82

66

31

71

81

70

2

1

93

B

25

93

13

92

16

39

38

23

40

93

43

16

DD

37

27

36

28

D

24

AA

20

26

42

17

44

41

32

21

29

30

F

22

35

19

14

33

18

15

1

10

15

6

14

E

9

34

91

67

80

68

(2)

69

84

1

F

11

D

E

65

F

14

1234

83

C

79

77

89

76

89

3

DEH-P790BT/XN/UC

66

3

66

5 678

(1) EXTERIOR(2) SECTION PARTS LIST

Mark No. Description Part No.

1 Screw BSZ26P060FTC 2 Screw(M2.6 x 4) CBA1828 3 Screw(M2 x 2.5) CBA1924 4 Cord Assy CDE8051

5 Cable CDE8388

6 Earth Plate CND2171 7 Holder CND3606 8 Insulator CNM7682 9 Insulator CNM8790 10 Cushion CNM9126

11 Insulator CNM9936 12 Tuner Amp Unit See Contrast table(2) 13 Screw BMZ26P040FTC 14 Screw BMZ26P100FTC 15 Screw BMZ26P180FTC

16 Screw BSZ26P060FTC 17 Screw(M2.6 x 14) CBA1632 18 Antenna Cable(CN401) CDH1336 19 Clamper CEF1050 20 Plug(CN981) CKM1278

21 Connector(CN301) CKM1389 22 Plug(CN881) CKS-786 23 Connector(CN701) CKS3829 24 Connector(CN151) See Contrast table(2) 25 Connector(CN801) CKS4811

26 Connector(CN181) CKS4980 27 Connector(CN101) CKS5271 28 Connector(CN521) CKS5321 29 Connector(CN561) CKS5683 30 Holder(CN983) CNC5399

31 Holder CND3133 32 Holder See Contrast table(2) 33 Heat Sink CNR1904 34 FM/AM Tuner Unit CWE1952 35 Holder CND1054

36 Bluetooth Unit CWN2339 37 Connector(CN76) CKS5320 38 Connector(CN1) CKS5749 39 Shield CND3134 40 Sheet CNM9598

41 IC(IC351) PAL007C 42 Fan Motor CXM1288 43 7P FFC Connector (CN522) VKN1299 44 ZH Connector 2P (CN891) VKN1928 45 Screw(M2 x 2) CBA1871

46 Screw(M2 x 2) CBA1935 47 Spring CBH2530

Mark

No. Description Part No.

48 Connector CKS5273 49 Arm CNV6962 50 Guide CNV6967

51 Guide CNV8048 52 Case Unit CXC5695 53 Screw(M2 x 3.5) XBA7002 54 Holder XNC7019 55 Flexible PCB XNP7026

56 Screw(M2 x 3.5) CBA2030 57 Cord Assy CDE8474 58 Earth Plate CND3138 59 Holder CND3139 60 Insulator CNN1499

61 Antenna Unit CWN2634 62 Connector(ANT1102) CKS5749 63 BT Antenna(ANT1101) CWX3132 64 Panel Unit See Contrast table(2) 65 Drive Unit CXC8074

66 Screw BMZ26P040FTC 67 Screw(M2 x 2) CBA1871 68 Cord CDE7392 69 Gear CNV7752 70 Gear CNV7753

71 Gear CNV7754 72 Gear CNV7755 73 Switch Unit CWS1389 74 Switch CSN1051 75 Spring Switch CSN1052

76 Arm Unit CXC2199 77 Arm Unit CXC6623 78 Arm Unit CXC6624 79 Screw JFZ20P020FTC 80 Spring XBL7003

81 Holder XNC7017 82 Insulator XNM7119 83 Holder Unit XXA7399 84 Motor Unit XXA7400 85 Holder Unit XXA7401

86 Arm Unit XXA7403 87 Gear Unit XXA7424 88 Shaft XLA7001 89 Washer YE15FTC 90 CD Mechanism Module(S10.5) CXK5763

91 Screw ISS26P055FTC

92 IC(IC911) NJM2388F84 93 Transistor(Q453,Q751,Q901) 2SD2396

A

B

C

D

E

(2) CONTRAST TABLE

DEH-P790BT/XN/UC, DEH-P7900BT/XN/UC and DEH-P8950BT/XN/ES are constructed the same except for the following:

Mark No. Description DEH-P790BT/XN/UC DEH-P7900BT/XN/UC DEH-P8950BT/XN/ES

12 Tuner Amp Unit CWN2343 CWN2343 CWN2344

24 Connector(CN151) CKS4124 CKS4124 Not used

32 Holder CND3834 CND3834 CND3835

64 Panel Unit CXC6608 CXC5696 CXC5696

56

DEH-P790BT/XN/UC

7

8

F

15

1234

2.5 CD MECHANISM MODULE

A

B

C

D

E

F

16

1234

DEH-P790BT/XN/UC

5 678

CD MECHANISM MODULE SECTION PARTS LIST

Mark No. Description Part No.

1 CD Core Unit(S10.5COMP2) CWX3514

2 Connector(CN101) CKS4182

3 Connector(CN701) CKS4808

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

No. Description Part No.

Mark

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) CXC7134

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-P790BT/XN/UC

E

F

7

8

17

1234

I

0

U

W

E

V

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A

TUNER AMP UNIT

VDD

DI

NC

DO

2.5V

ORX

BTPW2

OTX

7

6

1

2

CN76

CN701

LOUT

13

VDD

Q102

VDD

9

/RESET

8

VD

2

VD

1

VD

SWITCH UNIT

NCNCNC

BOOTE

ORST

54

D

M

FLAP

MOTOR

CN522

24 17 15 32 40 39 36

6 7

35 33 34 11

3 1 8 9

10

2

4

12

3

7

14

15

4

5

2 3

1

NC

5

8

CN521

AVL MICIN TELOUT HFAV ORX OTX BOOTE BTRST BTMUTE BTTEST DACCS DACDT DACCK

BTCTS3 BTRX3

BTTX3 BTRTS3

CN701

LOUT

BT5V

BT3V

VDD

RESET

VD

CN881

FLM02

FLM01

FLOP FLCL

IC 2

2.5V

DET, FM MPX

BT3V REGULATOR

3

NJM2391DL1-33

3

NJM2885DL1-33

BT5V

BT3V

A8V

IC711

9

12

IC461

1

BRST,BRXEN,BSRQ,BDATA,BSCK

MECHA VD

Q751

BA6288FS

14

OUT2 RIN

3

4

VM

5

VCC

Q871

B

CN401

1

2,3

2

1

CN983

C

D

PICKUP UNIT (P10.5)(SERVICE)

LASER

DIODE

E

F

MONITOR

DIODE

LOAD/

FM/AM TUNER UNIT

1

3

AM ANT

FM ANT

ATT

ANT adj

FMRF

RF adj

A:DEH-P7900BT/UC B:DEH-P790BT/UC C:DEH-P8950BT/ES

CD CORE UNIT(S10.5COMP2)

C

CN101

LD-

15

MD

5

VREF

FOM

FOP TOP

TOM

88

FOM

33

FOP

2

TOP

1

TOM

44

LD+

14

S904 12EJ

HOLOGRAM

UNIT

FOCUS ACT.

TRACKING ACT.

SPINDLE

MOTOR

CARRIAGE

MOTOR

M

RFGND

OSCGND

212 1522 16 4 17

VDD

Q101

REFO

AC,BD,F,E

CD

DRIVER

IC301

BA5839FP

12

FOM

11

FOP

14

TOP

13

TOM

16

SOP

15

SOM

18

CLCONT

LCOP

17

CONT

LCOM

S905

8EJ

S903

DSCSNS

SL

CK

DO

SL

3.3V

TUN3V

A8V

LOUT

XTAL

/XTAL

/PUEN

/RESET

VDSENS

DI

IC 5

←

5V 3.3V

IC 4

3.3V 2.5V

55

50

52

39

16

11

CK

VCC

CE1

←

X201

16.93MHz

BRST,BRXEN,BSRQ

BDATA,BSCK

CE2

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

DGND

LOEJ

AUDIOGNDNCVCC

TD,FD

SD,MD

22

21

9

S901

HOME

VDD_3.3

RF-AMP, CD DECODER,

MP3/WMA DECODER,

DIGITAL SERVO /

DATA PROCESSOR

141

LD

142

PD

133

REFOUT

IC201

PE5547A

5

LOEJ

43

CLCONT

41

CONT

8

12EJ

7

8EJ

6

DSCSNS

9

HOME

F

Lch

23

MUTE

Q541

←

3V 5V

IC506(1/2)

TC74VHCT08AFTS1

←

5V 3V

BUP

BT+B

Q453

1

Q452

VDD

Q752

BUP

IC881

11

6

FINOUT1

AUTO FLAP

MOTOR DRIVE

BUP

Q872

11

Q451

8

A8V

PHONE MIXING

7 2

NJM4558MD

24

PEE2

43

EVOLSW3

65

BTRST

66

BTMUTE

63

BTTEST

54

DACCS

55

DACDT

56

DACCK

61

BTCTS

34

BTRX

33

BTTX

68

BTRTS

CONTROLLER

IC601(1/2) PEG330A

64

BTPW

92

CDRST

59

VDCONT

52

FLPCLS

53

FLPOPN

50

FOPNSW

51

FCLSSW

49

FLPPW

IC531

ROMCK

SYSTEM

74

Q261

1TUNL

6 1

4

13

5

ROMDATA

SYSPW

MEMCS MEMWP MEMDO

MEMCK

FLPILM

RXPOD

PVSENS

SWVDD

OELPW

EMUTE

SAOUT

MEMDI

TXPOD

PSENS

RESET

DSENS

CN181

AUXL

IC262

TC4066BFT

IN/OUT1

OUT/IN1 OUT/IN2

IN/OUT2

CONT1

CONT2

2 1

IC263

TC7SET08F

75

57 58

SACLK

90 85

MUTE

1

4

18 19

3

5

13

XIN

11

XOUT

40

22 20 35 21

PID

9

PPW

87

37

ILMPW

36

ROT0

39

ROT1

38

10

91

29

DPDT

30

KYDT

42

BUP

4

A

3

R

2 3

4

2

18

DEH-P790BT/XN/UC

1234

5 678

A

MIXING

531 558MD

74

ROMCK

TEM

OLLER 1(1/2) 330A

Q261

6 1

13

ROMDATA

MEMWP

PVSENS

CN181

AUXL

IC262

TC4066BFT

1

IN/OUT1

OUT/IN1

OUT/IN2

4

IN/OUT2

CONT1

5

CONT2

2 1

IC263

TC7SET08FUS1

75

57

EMUTE

58

SACLK

90

SAOUT

85

MUTE

1

SYSPW

4

MEMDI

18

MEMCS

19

3

MEMDO

5

MEMCK

13

XIN

11

XOUT

40

FLPILM

22

TXPOD

20

RXPOD

35

PSENS

21

PID

9

PPW

87

37

ILMPW

36

ROT0

39

ROT1

38

SWVDD

10

RESET

91

DSENS

29

DPDT

30

KYDT

BUP

42

OELPW

IP-BUS

4

AUX

3

WIRED

REMOTE

2 3

4

20.000MHz

A,B

X601

TXPOD RXPOD

PSENS

PPW

PVSENS

VDD

SELECTOR

18

20

16

9

PID

Q852

CN101

CN151

3 2 1

IC261

BA3131FS

+IN2B

14

OUT2

15

-IN2C

+IN2A

+IN2C

SW2

VST,VCK,VDT

←

3V 5V

3

IC506(2/2)

TC74VHCT08AFTS1

←

4

5V 3V

1

IC511

12

TC74VHC08FTS1

9

FLPILM

Q831

BUP

SWVDD

Q841

1

S-80835CNMC-B8U

Q651

OEL+B

Q851

DC-DC CONVERTER

8

5 1 7 11

BUSL-

BUSBUS+

BUSL+

BUSL-

SOUTL

TU/PH_L CDL

VDD

RESET

IC651

6

NJM2360M

Q101

IP-BUS DRIVER

5

HA12241FP

CE2

CE1

DO

DI

CK SL

1

6 3

11

8

ILM+B

Q822

IC851

IC101

8

1

7

6

10

8 9

2

SO

1

CS

3

W#

5

SI

6

SCK

Q821

2

BUP

ASENBO

SYSTEM

CONTROLLER

IC601(2/2)

TX

PEG330A

RX

IPPW

KEYD KEYAD

TUNPCE2

TUNPCE1

TUNPDO TUNPDI TUNPCK SL

IC201

PML017A

Mute

SACLK

14

13

12

26

OutPreL

OutFL

OutRL

SAOut

43

80

1

28

27

26

79

2

89

69

70

47

46

48

95

ELECTRONIC VOLUME/

SOURCE SELECTOR

IN4L+

IN4L-

IN1L

IN3L

IN2L

MEMORY

IC501

S99-50084

CN801

IL+B

13

ROT0

8

ROT1

9

SWVDD

10

VDD

RESET

5

DSENS

2

DPDT

6

KYDT

7

OEL+B

15

OELB

SP601

BUZZER

PEE

DALMON

BSENS

ASENS

ISENS

TELIN

VP

CN1801

40

38

39

B

67

73

72

81

8

Q241

RL

SWL

EVOL VP+B

Q242

FL

BUP

BACKUP SENSE

ACC SENSE

MUTE

Q352

MUTE

Q351

Q381

MUTE

OELB

TXPOD

RXPOD

PVSENS

PPW

BUP

Q321

Q921

TEL MUTE

12

14

VDD

Q951

POWER AMP

IN2(FL)

IN4(RL)

22

BUP

SYSPW

TC7SET08FUS1

Q565

Q931

ILM SENSE

IC351

PAL007C

STBYMUTE

4

IC592

Q567

VDD REGULATOR

Q901

Q902

6,20

VCC1,VCC2

5

OUT2+

3

OUT2-

21

OUT4+

23

OUT4-

25

Switch_out

BUP

SYS+B REGULATOR

2

A8V

3

TUN3V

NJM2391DL1-33

TC7SH08FUS1

Q566

Q564

Q563

BUP

FAN REG

Q892

IC911

NJM2388F84

4

TUNER 3V

REGULATOR

IC431

IC591

14

Q562

Q891

Q561

1

Q302

Q303

Q301

SWL

RL

FL

CN301

CN981

BUP1

ACC1

TEL1

GND1

FL22 RL21

RL22

BRE1

CN891

BUP

A8V

CN561

AUD_LIPODL

TXiPod41

RXiPod

ACC-PWPSENS

ACC-IDPID

FWPWR

ILL1

FL21

5

9

1

5

3

8

2

SOURCE CONNECTOR

12

10

11

9

4

2

FAN

1

5

3

6

iPod

10

ADAPTER

4

2

RCA OUT

B

C

D

E

F

56

DEH-P790BT/XN/UC

7

8

19

1234

A

B

A

CN801

B

KEYBOARD UNIT

CN1801

IL+B

12

ROT0

7

ROT1

8

SWVDD

9

REMOTE CONTROL

OPT IN

DPDT

5

KYDT

6

DSENS

1

14

4

RESET

S1801

RESET

SWVDD

SENSOR

IC1931

GP1UX31RK

OEL+B

1,3

3

1

3V REGULATOR

IC1951

S-1200B33-M5

ROTARY COMMANDER

S1811

5

ROM

23

VCC

33

BYTE

IC1921

:PD8171A

A,C

:PD8172A

B

KEY MATRIX

S1831-S1839

IC1901

PEG303A

KD0-2,KS0-2

BTLED

XOUT

CLK0

OELD

DSEL

DIM

XIN

LS

CKD

KEY/OEL CONTROLLER

88

JOYST

60

VCC2

14

VCC1

97

AVCC

96

Vref

4

REM

27

DPDT

28

KYDT

12

48

CSO

CE

2

47

A18

A19

OE

43 14

DATA

ADDRESS

CS1

46

CS2

42

RD

SWVDD

1

98

13

11

26

24

35 33

22

X1901 16MHz

Q1851

OEL+B

BT IND

(ILLUMINATION)

Q1961

Q1852

Q1834

Q1962

Q1831-Q1833

SWVDD

OEL+B

CN1961

CKD

ADATA

DSEL

VDD

AVCC 1

AVCC 2

CVCC

LS

12

11

10

9

8

OEL UNIT

5

6

14

C

A:DEH-P7900BT/UC B:DEH-P790BT/UC C:DEH-P8950BT/ES

D

E

F

20

1234

DEH-P790BT/XN/UC

5 678

D

BLUETOOTH UNIT

ANTENNA

E

ANTENNA

ANT1101

ANT1102

2,3

CN1

1

BLUETOOTH MODULE

SIOF_TXD SIOF_SCK

SIOF_SYNC

Y1

SIOF_RXD

A5

RF_I/O

RESETP

REG_OUT

VCC_RF

SIOF_SS2

SCIF1_CTS SCIF1_RTS SCIF1_RXD SCIF1_TXD SCIF0_RXD SCIF0_TXD

BOOT_E SCIF0_CTS SCIF0_RTS

SIOF_MCLK

SCO_CLK_OUT

SIOF_SS1

PTB1

DATAO BCK LRCK

MCK

N2

DATAI

Q2

G8 G9

P1

I1

I2 H2 H3 E2 E3 Q1 F1 F2

O1

MCK

L1

HFMCK

HFAV

O3 T3

DAC IC56

PCM1742KE

2N3

DATA

1N1

BCKIN

3O2

LRCKIN

16

MCLK

CODEC

3

BCLK

4

DR

5

FS

2

DX

IC36

AK2301A

CLOCK SELECT

IC21

TC74VHC02FTS1

11

4A

4

2Y

12

4B

2

1A

3

1B

Vout L

MD MC

ML

GSR

VFTN

MUTEN

RSTN

TC7PAU04FU

6

3

X21 11.2896MHz

TC7PAU04FU

6

3

X22 12.288MHz

13 14 15

7

15

23

22

OSC

IC22

OSC IC23

VCC

HFAV

FSCHG

37

NJM4558V

5

AN6123MS

Q37

Q36

Q1

Q2

5 1

4

5

1

4

LPF

IC66

ALC

IC51

A

B

BT3V

D3V D5V A8V

CN76

AUDIO L

DACDT DACCK DACCS

TELOUT

MICIN

BTMUTE

BTRST

BTTEST

BTRTS

BTCTS

BTTX BTRX

ORX OTX

BOOTE

OCTS ORTS

HFAV

24

33 34 35

15

17

7

6

A

CN521

5

4 3 2

1 40 39 36 38 37

8

9 10 11 12

32

1,2

3

Q21

BT3V

C

Q23

BT3V

Q22

D

E

F

56

DEH-P790BT/XN/UC

7

8

21

1234

A-a

A-b

A-a

A-b

A-a

p

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-b

Large size

SCH diagram

Guide page

Detailed page

+2.2dBs

+3.01dBs

A-a

(ipod video:0dB play) +1.3dBs

B

C

D

C

CN701

FM/AM TUNER UNIT

(0dB play)

+2.2dBs

(0dB play) +0.6dBs

FM(30%):-24dBs AM(30%):-24dBs

i

E

F

A F

22

B

CN1801

M

M3

FLAP MOTOR

XXA7400

F

CSN1052

S2 CLOSE

CSN1051

S1 OPEN

SW UNIT

: The power supply is shown with the marked box.

DEH-P790BT/XN/UC

1234

5 678

FM(30%): -0.9dBs

AM(30%): -0.9dBs

IP-BUS: +14.3dBs

CD: +13.7dBs

BT TEL: +13.1dBs

BT AV:+14.11dBs

AUX: +14.3dBs

ipod(video): +14.4dBs

A-b

TUNER AMP UNIT

A

FAN

>

FM(30%): +21.1dBs

AM(30%): +21.1dBs

IP-BUS: +36.3dBs

CD: +35.7dBs

BT TEL: +35.1dBs

BT AV:+36.11dBs

AUX: +36.3dBs

ipod(video): +36.4dBs

A

B

C

D

>

CEK1136

10A

B.UP

GND

1K(1/2W)

ILL

B.REM

1K(1/2W)

ACC

TEL

RL-

FL-

RL+

CN76

D

-5dBs

NOTE :

Symbol indicates a resistor. No differentiation is made between chip resistors and discrete resistors.

.

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 identical designation.

Symbol indicates a capacitor. No differentiation is made between chip capacitors and discrete capacitors.

Decimal points for resistor and capacitor fixed values are expressed as :

2.2

t

2R2

0.022

t

R022

FL+

RR-

FR-

RR+

FR+

E

F

A

56

DEH-P790BT/XN/UC

7

8

23

1234

A

>

CD: +35.7dBs

AUX: +36.3dBs

BT AV:+36.11dBs

IP-BUS: +36.3dBs

BT TEL: +35.1dBs

FM(30%): +21.1dBs

AM(30%): +21.1dBs

B

ipod(video): +36.4dBs

C

TUNER AMP UNIT

FAN

A

A-a A-b

D

E

F

A-b

24

CD: +13.7dBs

AUX: +14.3dBs

BT AV:+14.11dBs

IP-BUS: +14.3dBs

BT TEL: +13.1dBs

FM(30%): -0.9dBs

AM(30%): -0.9dBs

ipod(video): +14.4dBs

1

DEH-P790BT/XN/UC

1234

5 678

FR-

FR+

FL+

RR+

RR-

R022

t

2R2

t

and capacitor fixed values

are expressed as :

2.2

0.022

Decimal points for resistor

A

>

B.UP

10A

CEK1136

GND

ILL

B.REM

1K(1/2W)

ACC

1K(1/2W)

FL-

RL+

RL-

TEL

B

CN76

D

-5dBs

Symbol indicates a resistor.

No differentiation is made between chip resistors and

discrete resistors.

Symbol indicates a capacitor.

NOTE :

No differentiation is made between chip capacitors and

discrete capacitors.

C

A-a A-b

D

E

2

DEH-P790BT/XN/UC

56

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 identical designation.

A-b

F

7

8

25

A

+

B

A-b

1234

CD:

AUX:

BT AV:+1

IP-BUS:

BT TEL:

FM(30%):

AM(30%):

ipod(video):

1

C

A-bA-a

(ipod video:0dB play)

D

E

+1.3dBs

+2.2dBs

+3.01dBs

(0dB play)

+0.6dBs

FM(30%):-24dBs

AM(30%):-24dBs

F

A-a

26

FM/AM TUNER UNIT

C

CN701

DEH-P790BT/XN/UC

1234

5 678

M

The > mTherefor

A

2

A-b

B

: The power supply is shown with the marked box.

+2.2dBs

(0dB play)

B

CN1801

M

M3

CSN1051

S1 OPEN

CSN1052

S2 CLOSE

XXA7400

FLAP MOTOR

C

A-bA-a

D

SW UNIT

F

E

F

A-a

F

DEH-P790BT/XN/UC

56

7

8

F

27

1234

3.3 KEYBOARD UNIT

A

CN801

B

C

D

E

F

B

28

1234

DEH-P790BT/XN/UC

5 678

KEYBOARD UNIT

B

A

B

C

D

E

OEL UNIT

56

MXS8231

DEH-P790BT/XN/UC

F

B

7

8

29

1234

3.4 CD MECHANISM MODULE(GUIDE PAGE)

A

C-a

PICKUP UNIT(P10.5)(SERVICE)

B

F

T

F

T F

F

T

F

T

C

%

F

T

#

@

SWITCHES: CD CORE UNIT(S10.5COMP2)

S901:HOME SWITCH..........ON-OFF

S903:DSCSNS SWITCH......ON-OFF

S904:12EJ SWITCH.............ON-OFF

S905:8EJ SWITCH...............ON-OFF

The underlined indicates the switch position.

D

M1 CXC7134

SPINDLE MOTOR

M2 CXC4026

LOADING/CARRIAGE MOTOR

E

3

2

1

S

C

T

9

F

0

F F

T T

$

S

7

C

4

8

5

S

C

CD DRIVER

F

C

30

1234

DEH-P790BT/XN/UC

PIONEER DEHP790BT, DEH P7900BT, DEHP8950BT 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-P790BT/XN/UC)

2.2 PACKING(DEH-P7900/BT/XN/UC, DEH-P8950BT/XN/ES)

2.3 EXTERIOR(1)

2.4 EXTERIOR(2)

2.5 CD MECHANISM MODULE

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

3.3 KEYBOARD UNIT

3.4 CD MECHANISM MODULE(GUIDE PAGE)