PIONEER DEH-P8000R, DEH-P8050 Service Manual

Service DEH-P8000R/UC
Manual	ORDER NO.
	CRT2344

MULTI-CD/DAB CONTROL HIGH POWER CD PLAYER WITH RDS TUNER

DEH-P8000R UC

MULTI-CD CONTROL HIGH POWER CD PLAYER WITH FM/AM TUNER

DEH-P8050 ES

-See the separate manual CX-916(CRT2300) for the CD mechanism description, disassembly and circuit description.

-The CD mechanism employed in this model is one of S8 series.

SERVICE PRECAUTION

In the first production, the following parts had been mounted temporarily to support the microcomputer <DEH-P8000R/UC> IC601 (PD5487A): R591 (RS1/16S473J), R592 (RS1/16S102J), and IC591 (Non spare part). When replacing IC601 PD5487A, use PD5487B as IC601, and then remove the 3 parts listed above. <DEH-P8050/ES> IC601 (PD5488A): R591 (RS1/16S473J), R592 (RS1/16S102J), and IC591 (Non spare part). When replacing IC601 PD5488A, use PD5488B as IC601, and then remove the 3 parts listed above.

CONTENTS

1.	SAFETY INFORMATION ............................................	2	7.	GENERAL INFORMATION .......................................	51
2.	EXPLODED VIEWS AND PARTS LIST .......................	3		7.1 DIAGNOSIS ........................................................	51
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...		10		7.1.1 TEST MODE ..............................................	51
4.	PCB CONNECTION DIAGRAM ................................	28		7.1.2 DISASSEMBLY .........................................	55
5.	ELECTRICAL PARTS LIST ........................................	38		7.2 IC ........................................................................	60
6.	ADJUSTMENT..........................................................	47	8.	OPERATIONS AND SPECIFICATIONS.....................	71

PIONEER ELECTRONIC CORPORATION	4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.

PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER ELECTRONIC CORPORATION 1999

K-ZZB. APR. 1999 Printed in Japan

DEH-P8000R,P8050

- CD Player Service Precautions

1.For pickup unit(CXX1285) handling, please refer to"Disassembly"(see page 51).

During replacement, handling precautions shall be taken to prevent an electrostatic discharge(protection by a short pin).

2.During disassembly, be sure to turn the power off since an internal IC might be destroyed when a connector is plugged or unplugged.

3.Please checking the grating after changing the service pickup unit(see page 49).

1. SAFETY INFORMATION

CAUTION

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.

Health & Safety Code Section 25249.6 - Proposition 65

2

DEH-P8000R,P8050

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

20
18	7
	19
24
17		15 10
	14	1112
	9
13		8
23		1

16

3

5

4

26

2	28

21

27

25

3

DEH-P8000R,P8050

NOTE:

-Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.

-Screws adjacent to mark on the product are used for disassembly.

-PACKING SECTION PARTS LIST

				Part No.
Mark	No.	Description	DEH-P8000R/UC		DEH-P8050/ES
	1	Cord Assy	CDE5854		CDE5854
	2	Base Assy	CEA2426		CEA2426
*	3	Base	CNS5031		CNS5031
*	4	Sheet	CZA3371		CZA3371
	5	Polyethylene Bag	CZE3188		CZE3188
	6	•••••
	7	Spring	CBH-865		CBH-865
	8	Case Assy	CXB3520		CXB3520
	9	Screw	BMZ50P060FMC		BMZ50P060FMC
	10	Screw	CBA-102		Not used
	11	Screw	CBA1002		CBA1002
	12	Screw	CBA1120		CBA1120
*	13	Polyethylene Bag	CEG-127		CEG-127
	14	Screw	CMZ50P060FMC		CMZ50P060FMC
	15	Nut	NF50FMC		Not used
*	16	Polyethylene Bag	CEG-158		CEG-158
	17	Handle	CNC5395		CNC5395
	18	Strap	CNF-111		Not used
	19	Bush	CNV1917		CNV1917
	20-1	Polyethylene Bag	CEG1116		CEG1116
	20-2	Owner’s Manual	CRD2974		CRD2980
	20-3	Owner’s Manual	Not used		CRD2981
	20-4	Installation Manual	CRD2975		CRD2982
*	20-5	Caution Card	CRP1207		CRP1207
*	20-6	Card	ARY1048		Not used
*	20-7	Caution Card	CRP1209		CRP1210
	21	Polyethylene Bag	CEG1185		* CEG1088(Cover)
	22	•••••
	23	Battery	CEX1006		CEX1006
	24	Carton	CHG3775		CHG3773
	25	Contain Box	CHL3775		CHL3773
	26	Protector	CHP2032		CHP2032
	27	Protector	CHP2033		CHP2033
	28	Remote Control Assy	CXB3875		CXB3875

- Owner's Manual, Installation Manual

Model	Part No.	Language
DEH-P8000R/UC	CRD2974	English, French
	CRD2975	English, French
DEH-P8050/ES	CRD2980	English, Spanish
	CRD2981	Portuguese, Arabic
	CRD2982	English, Spanish, Portuguese, Arabic

4

DEH-P8000R,P8050

2.2 EXTERIOR

			122
			13
		8	13
		11
	14
	14	3	17
12		24
			24
	12
			24
		4	2
			2
	123
	124		16

												1
											1	1	1
									5
			6
											125		21
									60
	89							79
											7
99									92	30
	B							B			31
					65							51
71							93		64
	61
								127				49	15
29		97			76	88	90	63					2
				127			127
						77
				76	127						9
					77								19
														20
			95					83					22
														18
												35
						68
62		82					87					44
														53
												40
62				67			86				32	42
		94
	127		66				126					47
								86				46
		91		78
					84
						126
			66	81									50	52
						78
	69		73		66
								75			39
				91									34	2
	74					66		67
	66	85	96										33	48
						98							43
			69		127							41
			74
23														10
												28
								108
								121	108
			116
						117						2	2
	115	107							108		26
110
													2
		114											59
	111					25	118
					119
113			109
	120		112					106			27
													27

5

DEH-P8000R,P8050

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description			Part No.	Mark No. Description			Part No.
	1	Screw	BSZ26P060FMC	51		Heat Sink	CNR1535
	2	Screw	BSZ30P050FMC	52		FM/AM Tuner Unit	CWE1501
	3	Cap	See Contrast table(2)	53		Holder	CNC7532
	4	Cord Assy	See Contrast table(2)	54		•••••
	5	Cord Assy	CDE5842	55		•••••
	6	Cord Assy	See Contrast table(2)	56		•••••
	7	Connector	CDE5846	57		•••••
	8	Cord Assy	CDE5854	58		•••••
	9	IC(IC301)	PAL005A	59		Chassis Unit	CXB3556
	10	Transistor(Q803,921,998)	2SD2396	60		Panel Assy	CXB3578
	11	Fuse(10A)	CEK1136	61		Screw	BMZ20P030FMC
	12	Cap	CNS1472	62		Screw	CBA1154
	13	Cord Assy	See Contrast table(2)	63		Screw	BPZ20P060FMC
	14	Resistor	RS1/2PMF102J	64		Screw	CBA1060
	15	Antenna Cable	CDH1256	65		Screw	CBA1061
	16	Case	CNB2426	66		Screw	CBA1082
	17	Holder	CNC6798	67		Screw	CBA1430
	18	Earth Terminal	See Contrast table(2)	68		Screw	CBA1454
	19	Holder	CNC8170	69		Spring	CBH2130
	20	Spacer	See Contrast table(2)	70		•••••
	21	Cushion	CNM6065	71		Cord	CDE5960
	22	Cushion	CNM6387	72		•••••
	23	Panel	See Contrast table(2)	73		Connector	CKS3997
	24	Cap	See Contrast table(2)	74		Roller	CLA3583
*	25	PCB	CNP5508	75		Frame	CNC8201
	26	Screw	BSZ30P200FMC	76		Spacer	CNM6155
	27	Screw	CBA1447	77		Spacer	CNM6156
	28	Insulator	CNM6135	78		Spacer	CNM6419
	29	Cover	CNM6489	79		PCB	CNP5321
	30	Tuner Amp Unit	See Contrast table(2)	80		•••••
	31	Screw	BMZ26P160FMC	81		PCB	CNP5355
	32	Clamper	CEF1004	82		Panel	CNS5247
	33	Clamper	See Contrast table(2)	83		Lighting Conductor	CNV5605
	34	Clamper	CEF1009	84		Cover	CNV5610
	35	Plug(CN901)	CKM1278	85		Guide	CNV5672
	36	•••••		86		Guide	CNV5696
	37	•••••		87		Rack	CNV5697
	38	•••••		88		Gear	CNV5698
	39	Plug(CN851)	CKS-786	89		Gear	CNV5761
*	40	Plug(CN101)	CKS1058	90		Torque Limiter Unit	CNV5762
	41	Connector(CN801)	CKS1532	91		Holder	CNV5763
	42	Connector(CN991)	CKS1960	92		Switch(S951)	CSN1012
	43	Connector(CN681)	See Contrast table(2)	93		Switch(S952)	CSN1022
	44	Connector(CN351)	See Contrast table(2)	94		Arm Unit	CXB3574
	45	•••••		95		Frame Unit	CXB3575
	46	Mini Pin Jack(CN451)	CKX1046	96		Holder Unit	CXB3576
	47	Holder	See Contrast table(2)	97		Bracket Unit	CXB3577
	48	Holder	CNC8168	98		Arm Unit	CXB3866
	49	Holder	CNC8169	99		Motor(M951)	CXM1085
	50	Insulator	See Contrast table(2)	100		•••••

6

DEH-P8000R,P8050

Mark No. Description			Part No.		Mark No.	Description	Part No.
101	•••••			116		Keyboard Unit	CWM6226
102	•••••			117		Connector(CN1902)	CKS3995
103	•••••			118		Connector(CN1901)	CKS3996
104	•••••			119		OEL Module	MXK8002
105	•••••			120		Grille Unit	See Contrast table(2)
106	Detach Grille Assy		See Contrast table(2)	121		Cover Unit	See Contrast table(2)
107	Screw		BPZ20P060FMC	122		Case Assy	CXB3520
108	Screw		BPZ20P080FZK	123		Remote Control Assy	CXB3875
109	Button(	)	See Contrast table(2)	124		Battery Cover	CNS5032
110	Button(D)		CAC5891		125 CD Mechanism Module(S8)		CXK5251
111	Button(SOURCE)		See Contrast table(2)	126		Washer	2-1816-0035-D2-00
112	Button(	)	See Contrast table(2)	127		Washer	2-1821-0045-D2-00
113	Button(EQ)		See Contrast table(2)
114	Button(1-6)		See Contrast table(2)
115	Housing		CNV5606

(2) CONTRAST TABLE

DEH-P8000R/UC and DEH-P8050/ES are constructed same except for the following:

			Part No.
Mark No.	Description		DEH-P8000R/UC	DEH-P8050/ES
3	Cord Assy		Not used	CDE5841
4	Cord Assy		CDE5840	Not used
6	Cord Assy		Not used	CDE5844
13	Cap		Not used	CNV2680
18	Earth Terminal		CNC7358	CNC6469(Holder)
20	Spacer		CNM6482	CNM4870(Cushion)
23	Panel		CNS5256	CSN5548
24	Cap		CNV2680	Not used
30	Tuner Amp Unit		CWM6222	CWM6224
33	Clamper		Not used	CEF1088
43	Connector(CN681)		Not used	CKS3597
44	Connector(CN351)		CKS3606	CKS3602
47	Holder		CNC7533	Not used
50	Insulator		CNM5967	Not used
106	Detach Grille Assy		CXB3980	CXB3288
109	Button(	)	CAC5890	CAC6126
111	Button(SOURCE)		CAC5892	CAC5901
112	Button(	)	CAC5893	CAC6045
113	Button(EQ)		CAC5894	CAC5899
114	Button(1-6)		CAC5910	CAC5911
120	Grille Unit		CXB3984	CXB3286
121	Cover Unit		CXB4309	CXB4310

7

DEH-P8000R,P8050

2.3 CD MECHANISM MODULE

8

DEH-P8000R,P8050

- CD MECHANISM MODULE SECTION PARTS LIST

Mark No. Description		Part No.	Mark No. Description			Part No.
1	Control Unit	CWX2358		46	Sheet	CNM6215
2	Connector(CN802)	CKS2192	47		Ball	CNR1189
3	Connector(CN801)	CKS2193	48		Belt	CNT1086
4	Connector(CN701)	CKS2771	49		Roller	CNV4509
5	Connector(CN101)	CKS3486	50		Arm	CNV5246
6	Screw	BMZ20P030FZK	51		Arm	CNV5247
7	Screw	BSZ20P040FZK	52		Arm	CNV5248
8	Screw(M2×3)	CBA1077	53		Arm	CNV5249
9	Screw(M2×6)	CBA1489	54		Guide	CNV5254
10	Screw	CBA1243	55		Guide	CNV5255
11	Screw(M2×4)	CBA1362	56		Gear	CNV5257
12	Washer	CBF1037	57		Gear	CNV5256
13	Washer	CBF1038	58		Guide	CNV5869
14	Washer	CBF1060	59		Damper	CNV5266
* 15	Washer	CBF1075	60		Arm	CNV5359
16	Spring	CBH2079	61		Arm	CNV5360
17	Spring	CBH2117	62		Arm	CNV5361
18	Spring	CBH2278	63		Guide	CNV5509
19	Spring	CBH2110	64		Guide	CNV5510
20	Spring	CBH2282	65		Holder	CNV5578
21	Spring	CBH2114	66		Guide	CNV5751
22	Spring	CBH2115	67		Clamper	CNV5758
23	Spring	CBH2080	68		Gear	CNV5813
24	Spring	CBH2118	69		Motor Unit(M1)	CXB2190
25	Spring	CBH2161	70		Screw Unit	CXB2191
26	Spring	CBH2163	71		Chassis Unit	CXB2192
27	Spring	CBH2189	72		Gear Unit	CXB2193
28	Spring	CBH2249	73		Arm Unit	CXB2194
29	Spring	CBH2260	74		Motor Unit(M2)	CXB2195
30	Spring	CBH2262	75		Lever Unit	CXB2553
31	Spring	CBL1367	76		Arm Unit	CXB2554
32	Spring	CBL1369	77		Motor Unit(M3)	CXB2562
33	Connector	CDE5531	78		Arm Unit	CXB2795
34	Connector	CDE5532	79		Bracket Unit	CXB4071
35	Shaft	CLA3304	80		Screw	JFZ20P025FMC
36	Screw(M2.6×6)	CBA1458	81		Screw	JGZ17P025FZK
37	Frame	CNC7544	82		Washer	YE15FUC
38	Frame	CNC7545	83		Pickup Unit(Service)(P8)	CXX1285
39	Lever	CNC7546	84		Screw	IMS26P030FMC
40	Arm	CNC7739		* 85 PCB		CNX2982
41	Bracket	CNC7798	86		Photo-transistor(Q1, 2)	CPT230SX-TU
42	Plate	CNC8090
43	Spacer	CNM3315
44	Sheet	CNM6170
45	Cushion	CNM6204

9

	1		2		3		4

DEH-P8000R,P8050

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

A	3.1 BLOCK DIAGRAM
	A TUNER AMP UNIT
		B FM/AM TUNER UNIT
			FM FRONT END			FM/AM 1ST IF 10.7MHz																FM MPX
	CN451		Q3				T51 Q51 CF51				CF52 CF53
ANT
	1	27																25			24
GND2																32			IC 2 PM4008A				19	6			Q501
	2																									RDS
						38	39			42		44		46	63														VDD
																34		33		41	44	11	46
															69										DECODER		24
		ANT1TV	ANT2TV
				RFTV	22										70												fm/AM
										IC 1
																										PM4009A
									MIXER.IF AMP DET						54								COMP	21	20	IC 501
										PML002A					65
															71											11	12
			Q201 Q204		35
						33	45	55	57	CF202	61	74		75														/UC
		28																								X501
															EEPROM
			AM RF											5		4
															IC 3
								AM 2ND IF 450kHz						6		3
															BR9010FV
							VCC							DI/DO		CE2	CK		CE1	SDBL	SL	FMSD
							VDD
					25	Q401						22	10	14		12	15		16	8	13	2
														PDIO		PCE2	CK		CE1	SD2	SL	SD
B							LOCL
														POWER ON MUTE												Q101
										SYS+B	TUN5V				IC 401				B.U								B.U
														S-81250SGUP
																												ASENBO
																										Q102 IP-BUS DRIVER		1	TX
																										5	IC 101
																										6		2	RX
																									8		CA008AM
																							CN101		5 BUS2		8		IPPW
																									1 BUS1
																							IP-BUS		7 BUS+L
																						CONNECTOR			11 BUS–L

PICKUP UNIT(SERVICE)

LD

MD	LD+
	MD

HOLOGRAM

UNIT

FO+

FOCUS ACT

TO+

TRACKING ACT

SPINDLE M

MOTOR

C

CARRIAGE M

MOTOR

LOADING M

MOTOR

SELECT

SENSE

DISC SENSE

F PHOTO UNIT

D

E CONTROL UNIT

CN101

Q101

DAC

CN701

CN991

98

30

8

18

LOUT/LRCK

14

LD

DOUT

DATA

IC 602

AOUTL

6

17

5

SCKO

32

7

BICK

AOUTR

17

8

15

ROUT/DOUT

AK4321VF

97

PD

LRCK

34

9

LRCK

A+C/F

B+D/E

IC 201

SP601

ALARM

24

UPD63710GC

BUZZER

FOP

4

X201

3

TOP

23 RF-AMP, DSP,

7

16

AGND/SCKO

IC 301

SERVO, DAC

BA5985FM

TD/FD

16 FOP

DRIVER

SD/MD

39

HOME

17 TOP

S801

12 SOP

CD

HOME

11

SOM

SINGLE-CD

CN801

1

14 COP

CONTROLLER

2

13 COM

FWD 1

58

CDLOAD

reset

10

11

11

B

10

LOP

REV 28

57

CDEJET

Q901

Q998

VDD

12

12

VDD

3

9

LOM MUTE 21

55

CONT

AVREF

9

VDD

VD

21

2

B.U

4

IC 901

22

1

PE5011C ADENA

47

+5V REGULATOR

CN802

1

3

EJTSNS

V+5

4

IC 701

IN

2

Q991

1

2

DSCSNS

BA05SFP

VD

60

CLAMP

31

1

CD5VON

D803 D802

D801

VDCONT

48

13

10

S802

59

Q851

2

CLAMP

BMUTE

20

3

BMUTE

M951

FLAP MOTOR

CONTROL 4

5

AUTOMATIC M

CN851

FLAP MOTOR

5

3

OUT1 IC 851

FIN

6

FLPOPN

D SWITCH CLOSE

4

14 OUT2 BA6288FS FIN 11

FLPCLS

BLUE

3

FCLSSW

S951

PCB

S952

RED

2

FOPNSW

OPEN

WHITE

1

			/ES	Q684
				MOSENS
			CN681
	ALARM SENSOR	3	MOTS1	Q685
			DRLC1
	DOOR LOCK	2		DLSENS

Q641

B.U

Q852

FLPPW

Q853

10

	1		2		3		4

	81	FM/AM
			SYSTEM
			CONTROLLER
			IC 601(1/2)
			PD5487A(/UC)
			PD5488A(/ES)
	49	SD
	97	SL
	94	SD_BW
	3	TUNPCE
	2	TUNPCK
	4	TUNPCE2
	1	PDIO
			VST
	78		VCK
		LOCL	VDT
	10	ASENBO
	30	TX
	29	RX
	7	IPPW
	42
		IN3_L
	43	IN4+_L
			ELECTRICAL VO
	44	IN4–_L
			SOURCE SELE
	41
		IN2_L
			IC 203
	40	VREF
			PML004A
	36	IN2_R
	37	IN1_R

24

PEE

LEVEL L

ASENS

BSENS

ISENS

TELIN

DRSYS

DRSENS

DRELAY

SYSPW

SYSTEM

CONTROLLER

IC 601(2/2)

PD5487A(/UC)

PD5488A(/ES)

MUTE

26 FLPPW

DSENS

34 FLPOPN

37 FLPCLS

KYDT

40

FCLSSW DPDT

38

FOPNSW

RESET

FLPILM

5OEL PW

MOSENS

6DLSENS

ILMPW

SWVDD

5

6

7

8

DEH-P8000R,P8050

A

M

LLER

/2)

(/UC)

(/ES)

VST

VCK

VDT

B

Q911

VDD

B.U

Q913

B.U

BACKUP

1

BACKUP

2

GND

POWER AMP

LECTRICAL VOLUME/

LEVEL L

92

23

RL–

9

RL–

OURCE SELECTOR

FL

10

12

FL

IC 301

21

RL+

11

RL+

IC 203

RL

11

14

RL

PAL005A

3

FL–

10

FL–

PML004AF

PREL

9

5

FL+

12

FL+

MUTE

STBY

B.REM

22

4

25

B.REM

4

B.REM

SYSPW

ILL

Q932

ILL

3

ILL

Q301 MUTE

LEVEL DET.

Q931

LEVEL L

92

1

IC 231

3

asens

ACC

5

ACC

NJM2068MD

Q302

bsens

B.U

74

ASENS

Q951

Q982

73

TELIN

TEL1

8

MUTE

BSENS

23

ISENS

Q681

11

DOOR SW

TELIN

CN351

B.U

7

DOOR SW

FRONT

87

DRSYS

7

L CH

DRSYS

86

Q353

DRSENS

7

11

9

6

Q683

76

Q682

DRELAY

SWL1

RLI

FLI

16

DRSENS

C

FLO

REAR

IC 271

RLO

14

3

SYSPW

22

PA2028A

SWLO

18

Q355

L CH

Q941

2

/UC

M

ALARM

B.U

6

ALARM

LLER

HIGH OUT

SUB

11

DRELAY

2/2)

Q261

WOOFER

(/UC)

Q351

10

L CH

B.U

Q942

(/ES)

SYSPW

MUTE

27

DZF

Q921

Q923

SYS+B

B.U

MUTERQ

BMUTE

Q981

Q922

C KEYBOARD UNIT

REMOTE CONTROL

SENSOR

CN801

CN1901

SWVDD

4

IC 1903

OPT IN

47

DSENS

RS-140

SWVDD

DSENS

12

1

1

97

14

5

DATA ROM

25

AVCC VDD

REM

DATA

36

KYDT

9

4

33

KYDT

IC 1902

DPDT

35

RESET

8

5

34 DPDT

PD8051A

B

RESET

RST

ADRESS

12

1

IC 961

2

RESET

S–80735ANDZI

VDD

VDD

6

7

Q962

S1925

KEY AND

KEY MATRIX

B.U

2

11

OEL MODULE

CONTROLLER

IC 1901

Q803

PD5471A

B.U

11

2

43

Q808

4

9

ILB

D

FLPILM

Q805

5

8

SWVDD

11

13

46

OEL PW

Q806

X1901

ILB

B.U

44

Q801

18 17

1-15

CN1902

ILMPW

B.U

Q802

Q807

OEL MODULE

45

MXK8002

SWVDD

11

5

6

7

8

	1		2		3		4

DEH-P8000R,P8050

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
		4	3	2	1	TUNER SIGNAL		CD MECHANISM
						CD,TUNER,IP-BUS SIGNAL		E F MODULE
A		7		6	5	IP-BUS SIGNAL			CN701
		11	10	9	8
		IP-BUS				CD SIGNAL
		Large size				IP-BUS:+2.2dBs
A-a	A-b	SCH diagram
								CD MECHANISM
A-a	A-b	Guide page
		Detailed page		IP-BUS
A-a	A-b			DRIVER

R204 1K

R201 0R0

B
			1K
		FM(100%):-19.5dBs	R203
		AM(30%):-30dBs	CD:+1
			IP-BU
			FM(1
	UNITTUNER		AM(3
		/UC
	BFM/AM	TUNER
			100P
C		/ES	C433

EEPROM

			AUTOMATIC FLAP
			RDS DECODER
D			/UC
						CLOSE	C KEYB
			M951				OPEN
				S951	CSN1012	S952	CSN1022
	A F G		AUTOMATIC
			FLAP MOTOR
			CXM1085
12			D SWITCH PCB
	1	2	3				4

		5		6	7	8
						DEH-P8000R,P8050
				A-b				A
					A TUNER AMP UNIT
4	5	6			R284	0R0
						PRE OUT
3	2	1
1K
R204
						PRE OUT
						/UC /ES
E-VOL
CD:+7.8dBs			BMUTE	R659 0R0				B
						CD:+18.3dBs
						/UC
+1.7dBs
US:+2.2dBs
100%):-20.5dBs
30%):-31dBs						/UC
				RESET
					AMP
PD5487A(/UC)						CEK1136
PD5488A(/ES)						10A	BACK UP
								C
							GND
SYSTEM CONTROLLER							ILL
						1K(1/2W)	B REMOTE
						1K(1/2W)	ACC
						0.5A
			BUZZER				ALARM
						CEK1014
							DOOR SW
							CELLULAR MUTE
							RL-
					VDD 5V		FL-
				8V			RL+
							FL+
				REGULATOR
							RR-
							FR-
							RR+
							FR+
						CD:+33.8dBs
				MUTE		SENSE
					TEL MUTE
	GRILLE						ALARM SENSOR
				DFS ALARM	/ES		DOOR LOCK
								D
CN1901
BOARD UNIT
						A 13
		5		6	7	8

a-A 14 1

2

3

4

D		C		B

CD,TUNER,IP-BUS SIGNAL

	4	3	2	1	TUNER SIGNAL
		7	6		5
					IP-BUS SIGNAL
	11	10	9	8
					CD SIGNAL
	IP-BUS

IP-BUS:+2.2dBs

IP-BUS

DRIVER

FM(100%):-19.5dBs

AM(30%):-30dBs

UNITTUNERM	/UC

E F CD MECHANISM MODULE CN701

CD MECHANISM

A

A-a A-b DEH -P8000R,P8050 1

2

1

R204 1K

3

R201 0R0

E-VOL

CD:+

R203 1K

2

CD:+1.7dBs IP-BUS:+2.2dBs FM(100%):-20.5dBs AM(30%):-31dBs

4

3

5	6	7		8
		DEH-P8000R,P8050
PD5487A(/ PD5488A(	SYSTEM CONTR	CN1901	KEYBOARD UNIT	A-a A-b
			C

A

			OPEN	CSN1022
			CLOSE	S952
				CSN1012
		AUTOMATICFLAP
				S951
100P	/ES			M951 AUTOMATIC FLAP MOTOR	CXM1085
	C433

	DECODER	/UC
	RDS
TUNER	EEPROM

D SWITCH PCB

B

C

D

BFM/AMTU

A-a D 15

	5		6		7		8

	1		2		3		4

DEH-P8000R,P8050

		A-b
A		A-a

B

C

D

16 A-b

1

A TUNER AMP UNIT

PRE OUT

/UC /ES

CD:+18.3dBs

/UC

PRE OUT

/UC

0R0 R284

AMP

R659 0R0	RESET
BMUTE

6	1	CD:+7.8dBs
5	2
4	3
1		2	3
2		3	4

AMP

5

PD5487A(/UC)

PD5488A(/ES)

M CONTROLLER

BUZZER

VDD 5V

8V REGULATOR

6

MUTE	SENSE

TEL MUTE

CEK1136

10A

BACK UP GND

ILL

1K(1/2W)

1K(1/2W)

B REMOTE

ACC

0.5A

ALARM

CEK1014

DOOR SW CELLULAR MUTE

RL-

FL-

RL+

FL+

RR-

FR-

RR+

FR+

CD:+33.8dBs

7	GRILLE	ALARM SENSOR
	DFS ALARM	DOOR LOCK
		/ES

CN1901

UNIT

	8	b-A
			A-a	A-b
	17

5

6

7

8 P8000R,P8050-DEH

D

C

B

A

	1		2		3		4

DEH-P8000R,P8050

3.3 FM/AM TUNER UNIT

A A

B

Voltage of IC Terminals

Mark	Band	Input Level
None	–	–
F0	FM	0dBf
F65	FM	65dBf
F125	FM	125dBf
A0	AM	0dB
A74	AM	74dB
A125	AM	125dB

B

KV1410(23)

C

D

18 B

	1		2		3		4

	5		6		7		8

DEH-P8000R,P8050

A

KV1410(23)

B

C

D

B 19

	5		6		7		8

	1		2

DEH-P8000R,P8050

3.4 KEYBOARD UNIT

A

	EQ-
S1901,1902:CSG1112
S1903,1904:CSG1111
S1905-1924:CSG1112	PGM
S1925:CSG1111

B	5

CLOCK

AUDIO

C

D

20 C

	1		2

	3		4

EQ+

VOL+

DISP

ENT

SOURCE

VOL-

3

2

1

LOUD

6

4

BAND

FUNC

EJECT

RESET

A CN801

	3		4

	5		6		7		8

DEH-P8000R,P8050

A

C KEYBOARD UNIT

B

C

D

C 21

	5		6		7		8

	1			2				3		4
	DEH-P8000R,P8050
							CONTROL UNIT
	3.5 CD MECHANISM MODULE				E

A

PICKUP UNIT(SERVICE)

RF-AM

B

CN101

SWITCHES:

CONTROL UNIT

S801 : HOME SWITCH.....ON-OFF

S802 : CLAMP SWITCH....ON-OFF

The underlined indicates the switch position.

CD DRIVER

C

F PHOTO UNIT

Q1 CPT230SX-TU Q2 CPT230SX-TU

CN802

SPINDLE MOTOR

M3 CXB2562

CARRIAGE MOTOR	CN801
M1 CXB2190

D

LOADING MOTOR

M2 CXB2195

5V REGULATOR

22 E F

	1		2		3		4

	5		6		7		8

DEH-P8000R,P8050

A

DAC

RF-AMP,SERVO,DSP,DAC

B

8.380MHz

SINGLE-CD CONTROLLER

C

A CN991

CN701

D

E 23

	5		6		7		8

DEH-P8000R,P8050

Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage

- Waveforms

REFO:2.5V

1 RFI

0.5V/div.

0.5µs/div.

1 CH1: RFI

1V/div.

1 CH1: RFI

1V/div.

0.5ms/div.

0.5ms/div.

Normal mode: play

2 CH2: MIRR

5V/div.

2 CH2: MIRR

5V/div.

Test mode: Tracking open

Normal mode: The defect part

passes 800µm

REFO →

REFO →

REFO →

REFO →

REFO →

3 CH1: FD

0.5V/div.

3 CH1: FD

0.5V/div.

6 CH1: FE

0.5V/div.

0.2s/div.

0.2s/div.

1ms/div.

4 CH2: FO+

2V/div.

5 CH2: FOK

2V/div.

7 CH2: XSI

2V/div.

Test mode: No disc, Focus close

Normal mode: Focus close

Normal mode: Focus close

REFO →

REFO →

REFO →

REFO →

REFO →

REFO →

GND →

8 CH1: TE

0.5V/div.

8 CH1: TE

0.5V/div.

8 CH1: TE

0.5V/div.

0.5ms/div.

0.5ms/div.

5ms/div.

9 CH2: TD

0.5V/div.

9 CH2: TD

0.5V/div.

9 CH2: TD

0.5V/div.

Test mode: 32 tracks jump (REV)

Test mode: Single jump (REV)

Test mode: 100 tracks jump (REV)

REFO →

REFO →

REFO →

REFO →

REFO →

REFO →

6 CH1: FE

0.1V/div.

3 CH1: FD

0.5V/div.

3 CH1: FD

0.5V/div.

20ms/div.

0.5s/div.

0.5s/div.

3 CH2: FD

0.2V/div.

0 CH2: MD

1V/div.

0 CH2: MD

1V/div.

Normal mode: Play

Normal mode: Focus close (12cm)

Normal mode: Focus close (8cm)

REFO →

REFO

→

REFO →

REFO →

REFO

→

REFO →

24