Pioneer DEHP-900-R, DEHP-9050 Schematic

ANT1 TV

ANT2 TV

RF TV

IC 3

BR9010FV

AM 2ND IF 450kHz

M

IC 681

TPD1018F

DFS ALARM

IC 45

NJM2

LD

MD

HOLOGRAM

UNIT

FOCUS ACT

TRACKING ACT

LD+

MD

FO+ TO+

14

5

4 3

PICKUP UNIT(SERVICE)

SPINDLE

MOTOR

CARRIAGE

MOTOR

LOADING

MOTOR

1 2

3 4

3 1

2

SELECT

SENSE

DISC SENSE

I

PHOTO UNIT

CN801

CN802

D803 D802 D801

VD

S802

CLAMP

58 57 55

1 2

60

10

1 28 21

9

47

31 48

CDLOAD CDEJET CONT

EJTSNS DSCSNS

CLAMP

reset

AVREF

ADENA

CD5VON VDCONT

IC 901

PE5011C

VDD

V+5

IC 701

BA05SFP

IN

+5V REGULATOR

24

1

VDD

VD

Q998

Q991

B

VDD

B.U

Q851

Q852

Q853

FLAP MOTOR

CONTROL

IC 851

BA6288FS

45

FIN FIN

OUT1 OUT2

63

14

11

FLPOPN FLPCLS

5 4 3

3

2

1

3 2 1

2 1

CN851

CN131

CN681

Q132

Q131

VDD

DALMON

MICSEN

Q684

Q685

FCLSSW

MOTS1 DRLC1

ST1

STARTER CUT-OFF

DOOR LOCK

ALARM SENSOR

FOPNSW

BLUE

RED

WHITE

S951

CLOSE

S952 OPEN

G

MIC JACK PCB

F

SWITCH PCB

AUTOMATIC

FLAP MOTOR

ANT

GND2

CN451

1 2

A

TUNER AMP UNIT

B

FM/AM TUNER UNIT

27

28

FM FRONT END

Q3

Q201 Q204

AM RF

FM/AM 1ST IF 10.7MHz

T51 Q51 CF51 CF52 CF53

MIXER.IF AMP DET

IC 1

PML002A

38 39 42 44 46 63

32 19

46

6

21

COMP

34 33 41 44 11

69 70 54

65 71

75746157554533

35

22

2225 10 14 12 15 16 8 13 2

CF202

VCC

LOCL

VDD

Q401

SYS+B

TUN5V B.U

DI/DO

CE2CKCE1

SDBLSLFMSD

PCE2

CK

CE1

SD2

SL

SD

PDIO

EEPROM

5 6

4 3

IC 2 PM4008A

FM MPX

POWER ON MUTE

IC 401

S-81250SGUP

CN101

IP-BUS

CONNECTOR

8

5 1 7

11

B.U

ASENBO

TX RX

IPPW

1

8

2

5 6

IP-BUS DRIVER

IC 101

CA008AM

BUS2 BUS1 BUS+L BUS–L

Q101

Q102

RDS

DECODER

IC 501

PM4009A

20

11 12

24

X501

Q501

VDD

/UC

fm/AM

81

FM/AM

SD SL SD_BW TUNPCE TUNPCK TUNPCE2 PDIO

LOCL ASENBO TX RX IPPW

IN3_L IN4+_L IN4–_L

VREF IN2_R IN1_R

PEE

49 97 94

3 2 4 1

78 10 30 29

7

42 43 44

40 36 37

24

FLPPW

26

FLPOPN

34

FLPCLS

37

FOPNSW

38

FCLSSW

40

MICSENS

28

MOSENS

5

DLSENS

6

SOUT

STOUT

DLSENS

MOSENS

75

SYSTEM

CONTROLLER

IC 601(1/2) PD5483A(/UC) PD5484A(/ES)

E

ASL UNIT

MIC4501

Q4501 VR4501

ASL A

3

H

CONTROL UNIT

Q101

CN101

CN702

FOP TOP

21

A+C/F

B+D/E

98

14 15 11

LD

DATA BCKI LRCKI

DOUT

DATAO

BCKO

LRCKO

SCKO LRCK

EMPH

PD

HOME

97

24

39

TD/FD SD/MD

RF-AMP, DSP, SERVO, DAC

IC 201

UPD63710GC

30

8 7 5

32 34

27

IC 601

PD0236AM

BIT LENGTH EXPANSION

CN701 CN991

CN251 2 1

17 15

16

18 14

11 12

2 1

10

6 8

7

5 9

11 12 21 22

13

LOUT/LRCK ROUT/DOUT

AGND/SCKO

EMPH CD5V

LRCK DOUT SCKO

SP601

ALARM

BUZZER

IC 301

BA5985FM

S801

HOME

12

16 17

11 14 13 10

9

SOP

TOP

FOP

SOM COP COM LOP LOM

FWD

REV

MUTE

ELECTRICAL V

SOURCE SELE

IC 203

PML004A

Q641

/UC

SYSTEM

CONTROLLER

IC 601(2/2)

PD5483A(/UC)

PD5484A(ES)

ASENS

BSENS

ISENS TELIN

DRSYS

DRSENS

DRELAY

SYSPW

DALMON

MUTE

DSENS

KYDT DPDT

RESET

OEL PW

ILMPW

SWVDD

FLPILM

A

25 24

Q901

SINGLE-CD CONTROLLER

CD DRIVER

M951

20 3

BMUTE

59

BMUTE

10

DEH-P900R,P9050

1

23

4

1234

D

C

B

A

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

11

DEH-P900R,P9050

5

6

78

5

6

78

D

C

B

A

IC 4501

NJM2068

IC 971

NJM7805FA

ADRESS

DATA

IC 1903 RS-140

REMOTE CONTROL

SENSOR

OPT IN

SWVDD

AVCC VDD REM KYDT DPDT

KEY AND OEL MODULE CONTROLLER

IC 1901

PD5471A

ILB SWVDD

1

4 5

7

11

2 9 8

12

9 8

6 2

11 4 5

KEY MATRIX

IC 1902

PD8051A

SWVDD

DATA ROM

25

4

97 14

1 5

(1/2)

ASL AMP ASL FILTER

IC 4502

NJM2068

3311

22

CN141

NOISE

4 3 2

35

8

30

4

5 9

12

6 8 11 36

98

37

23

28 27

78

35

3 2

35

8

30

DOUT

CN252

CN3001

SCKO LRCK

NOISE

LIN–

EMPH

CD5V

IC 3203(1/2)

HD74HCT126FP

13

SDIN

AOUTL1

CLKO

BITCLK LRCLK

AINL–

IC 3101

AK7714

DSP, DAC

X3101

VSTD/VDTD/VCKD

LRCKK NOISE

58 74

8 10 12 9 40 41 42

59

EMPHIN

X3001

DSP CONTROLLER

IC 3001

PD5504A

D

DSP UNIT

DSP5V PLL5V

DSPPW MUTERQ NGO

MCKOUT

reset

1 29 18 6 17 16

ZDFMUTERQRESET

AMP

IC 3301

NJM4580M

IC 3201

74HC393AF

3

181 1023

1

IC 3203(2/2)

HD74HCT126FP

12512

5

FREQUENCY CONVERSION

IC 3202

TC9246F

REF CKO

CN3001 CN252

A

LOUT

DSPPW

B.U B.U

Q972 Q291

Q971

5V REG.

31

Q292

Q913

B.U

VDD

DALMON

Q911

B.U

BACKUP

BACKUP GND

RL– RL+ FL– FL+

B.REM

ILL

ACC

ILL

ACC

MUTE

DOOR SW

TEL1

ALARM

DOOR SW

1 2

9 11 10 12

4

3

5

8

7

6

SOURCE SELECTOR

IC 203

PML004AF

(2/2)

ASENS

74

BSENS

73

ISENS

23

TELIN

11

DRSYS

87

DRSENS

86

DRELAY

76

SYSPW

22

DALMON DALMON

20

MUTE

27

DSENS

47

KYDT

36

DPDT

35

RESET

12

OEL PW

46

ILMPW

44

SWVDD

45

FLPILM

43

FL

10

PV IN_L

2

Setout_L

1

RL

11

PREL

9

DZF

MUTERQ

BMUTE

POWER AMP

IC 301

PAL005A

12 14

22 4 25

5

3

21

23

FL

MUTE STBY B.REM

RF

B.U

DRELAY

DRSENS

DRSYS

TELIN

bsens

asens

ILL

Q941

Q942

Q681

Q951

Q931

Q932

Q682

Q683

Q301 MUTE

Q302

Q982

711

16 14 18

9

SWL1 RLI FLI

FLO RLO

SWLO

IC 271

PA2028A

HIGH OUT

Q353

Q355

Q351

CN351

FRONT L CH

REAR L CH

SUB WOOFER L CH

7 6

3 2

11 10

C

KEYBOARD UNIT

CN1901

CN801

DSENS

EW ONLY

ILB

CN1902

OEL MODULE

MXK8002

18 17 1-15

11 1 3

X1901

33 34

RST

S1925

Q261

Q922

Q923Q921

Q981

B.U

SYS+B

SYSPW

Q803

Q808

Q801

Q802

VDD

B.U

Q805

Q806

Q807

B.U

RESET

IC 961

S–80735ANDZI

VDD

12

Q962

RESET

B

BMUTE

SYSPW

BUFFER

ALARM

12

DEH-P900R,P9050

1

23

4

1234

D

C

B

A

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-b

A-a

A-b

A-a

Large size

SCH diagram

Guide page

Detailed page

A

CN701

CN4602

S951

CSN1012

S952

CSN1022

CLOSE

OPEN

M951 AUTOMATIC FLAP MOTOR

CXM1085

/UC

C433 100P

/ES

TUNER SIGNAL IP-BUS SIGNAL CD(DIGITAL) SIGNAL

CD,TUNER,IP-BUS SIGNAL

IP-BUS:+2.2dBs

FM(100%):-19.5dBs AM(30%):-30dBs

IP-BUS:+2.2dBs FM(100%):-20.5dBs AM(30%):-31dBs

IP-BUS

AUTO-EQ

CD MECHANISM

TUNER

RDS DECODER

AUTOMATIC FLAP

IP-BUS DRIVER



123

4

56

7

8

91011

H

I

CD MECHANISM MODULE

C

K

F

SWITCH PCB

G

MIC JACK

PCB

B

FM/AM TUNER UNIT

EEPROM

/UC

A-a

F G

CN1901

(/UC) (/ES)

CN4501

R284

0R0

IP-BUS:+4.3dBs FM(100%):-0.4dBs AM(30%):-10.9dBs

CD:+2.43dBs

CD:+8.18dBs

CD:+34.18dBs

CD:+18.68dBs

PRE OUT

SYSTEM CONTROLLER

GRILLE

BUZZER

8V REGULATOR

MUTE

VDD 5V

SENSE

TEL MUTE

AMP

RESET

PRE OUT

DSP

E-VOL

ASL

DFS ALARM

/ES

/UC

E

ASL UNIT

A

TUNER AMP UNIT

D

CN3001

H

CN702

10A

0.5A

CEK1136

GND

ILL

B REMOTE

ACC

ALARM

BACK UP

CELLULAR MUTE

RL-

FL-

RL+

FL+

RR-

FR-

RR+

FR+

DOOR SW

/UC

CEK1014

DOOR LOCK

ALARM SENSOR

STARTER CUT-OFF

1K(1/2W) 1K(1/2W)

13

DEH-P900R,P9050

5

6

78

5

6

78

D

C

B

A

A-b

A

14

DEH-P900R,P9050

1

23

4

1234

D

C

B

A

CN701

CN4501

CN4602

/UC

TUNER SIGNAL

IP-BUS SIGNAL

CD(DIGITAL) SIGNAL

CD,TUNER,IP-BUS SIGNAL

IP-BUS:+2.2dBs

FM(100%):-19.5dBs

AM(30%):-30dBs

IP-BUS:+2.2dBs

FM(100%):-20.5dBs

AM(30%):-31dBs

CD:+

IP-BUS

AUTO-EQ

CD MECHANISM

E-VOL

ASL

IP-BUS

DRIVER



123

4

56

7

8 91011

H

I

CD MECHANISM

MODULE

E

ASL UNIT

G

MIC JACK

PCB

M TUNER UNIT

A-a

A-b

G

1

2

3

15

DEH-P900R,P9050

5

6

78

5

6

78

D

C

B

A

A-a

A-b

F

CN1901

(/UC)

(/ES)

S951

CSN1012

S952

CSN1022

CLOSE

OPEN

M951

AUTOMATIC

FLAP MOTOR

CXM1085

C433 100P

/ES

SYSTEM CONTR

TUNER

RDS DECODER

AUTOMATIC FLAP

C

KEYBOARD UNIT

F

SWITCH PCB

B

FM/AM TU

EEPROM

/UC