Pioneer DEHP-4800-MP, DEHP-480-MP Service manual

ORDER NO.

CRT3566

DEH-P480MP/XU/UC

MULTI-CD CONTROL HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER

DEH-P480MP/XU/UC

DEH-P4800MP/XU/UC

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 Description, Mech. Description, Disassembly

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

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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
B	California to cause cancer, birth defects or other reproductive harm.
	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.

C

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.

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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.

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.

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.

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		DEH-	P480MP/XU/UC				3
5	6				7	8

	1	2	3	4
	CONTENTS
	SAFETY INFORMATION.....................................................................................................................................			2
	1. SPECIFICATIONS ............................................................................................................................................			5
A	2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................			7
	2.1 PACKING			7
	2.2 EXTERIOR.................................................................................................................................................			8
	2.3 CD MECHANISM MODULE.....................................................................................................................			10
	3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................			12
	3.1 BLOCK DIAGRAM ...................................................................................................................................			12
	3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)..............................................................................			14
	3.3 KEYBOARD UNIT....................................................................................................................................			20
	3.4 CD MECHANISM MODULE(GUIDE PAGE) ............................................................................................			22
	4. PCB CONNECTION DIAGRAM .....................................................................................................................			32
	4.1 TUNER AMP UNIT...................................................................................................................................			32
	4.2 KEYBOARD UNIT....................................................................................................................................			36
B	4.3 PANEL UNIT ............................................................................................................................................			37
	4.4 CD CORE UNIT(S10.5COMP1)...............................................................................................................			38
	5. ELECTRICAL PARTS LIST ............................................................................................................................			40
	6. ADJUSTMENT ...............................................................................................................................................			48
	6.1 CD ADJUSTMENT...................................................................................................................................			48
	6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT ....................................................			50
	6.3 ERROR MODE ........................................................................................................................................			52
	6.4 SYSTEM MICROCOMPUTER TEST PROGRAM ...................................................................................			53
	7. GENERAL INFORMATION.............................................................................................................................			54
	7.1 DIAGNOSIS .............................................................................................................................................			54
	7.1.1 DISASSEMBLY .....................................................................................................................................			54
C	7.1.2 CONNECTOR FUNCTION DESCRIPTION..........................................................................................			57
	7.2 PARTS......................................................................................................................................................			58
	7.2.1 IC ..........................................................................................................................................................			58
	7.2.2 DISPLAY ...............................................................................................................................................			68
	7.3 OPERATIONAL FLOW CHART ...............................................................................................................			69
	8. OPERATIONS ................................................................................................................................................			70

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1. SPECIFICATIONS

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2. EXPLODED VIEWS AND PARTS LIST

NOTES : • 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. 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

PACKING SECTION PARTS LIST

Mark No.		Description	Part No.
	1	Polyethylene Bag	CEG1173
	2	Cord Assy	XDE7008
*	3	Accessory Assy	YEA5008
	4	•••••
	5	Screw Assy	YEA5007
	6	Fixing Screw	BPZ20P060FTB
	7	Screw	CBA1650
*	8	Polyethylene Bag	CEG-127
	9	Screw	CRZ50P090FTC
	10	Screw	TRZ50P080FTC
*	11	Polyethylene Bag	CEG-158
	12	Handle	CNC5395
	13	Holder	CND1249
	14	Holder	CND1250
	15	Bush	CNV3930

Mark No.		Description	Part No.
	16	Remote Control Assy	CXC5719
*	17	Battery	CEX1065
	18	Carton(P480MP)	YHG5078
		Carton(P4800MP)	YHG5077
	19	Contain Box(P480MP)	YHL5055
		Contain Box(P4800MP)	YHL5054
	20	Protector	YHP5008
	21	Protector	YHP5009
	22-1	Owner's Manual(P480MP)	YRD5038
		Owner's Manual(P4800MP)	YRD5037
	22-2	Installation Manual(P480MP)	YRD5043
		Installation Manual(P4800MP)	YRD5042
	22-3	Caution Card	CRP1310
*	22-4	Warranty Card(P480MP)	CRY1070
*		Warranty Card(P4800MP)	CRY1246
	22-5	Caution Card(P4800MP)	CRP1294

Owner's Manual,Installation Manual

Part No.		Language
YRD5038,YRD5037,YRD5043,YRD5042	English, French, Spanish
		DEH-	P480MP/XU/UC				7
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B

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D

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2.2 EXTERIOR

A

13

B
		37
		45	46
			42
	57	56	43
C		47
		40
	3	3	3

3

12

D

9

10

E

B

11

2

F

2 3 4

	62	59	73	67
		75	A
	69		76	79

	61	78	D
			77

18	60	68	66
			58	64	6563
				72
38		60		71	70
48
38

B

55

51 50 44 39

41

4 20

84

20

84

28

15

14

C

A

81

	38	60	80
			74
	49	38	17
54	53
52
	82
	16	87
			86

C

19		36
85 31		21
	34	35
27			83
	30
B		23
		25
26			24
	A		29

5 5

5

2

8 7

22

22

21

32

33

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6

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EXTERIOR SECTION PARTS LIST
Mark No.	Description	Part No.	Mark No.	Description	Part No.
1	Screw	ASZ26P050FTC	46	Button(CLOCK,DISPLAY)(P480MP)	YAC5098
2	Screw	BMZ30P040FTB		Button(CLOCK,DISPLAY)(P4800MP)	YAC5073
3	Screw	BSZ26P060FTC
4	Screw	BSZ30P060FTC	47	Spring	YBH5003
5	Screw	BSZ30P200FTC	48	Cover	YNS5113
			49	Connector(CN1801)	CKS5207
6	Holder	CNC8659	50	LCD(LCD1801)	YAW5051
7	Earth Plate	CNC8915	51	Holder	YNC5013
8	Cushion	CNM8890
9	Insulator	CNM7682	52	Sheet	YNM5015
10	Remote Control Assy	CXC5719	53	Spacer	YNM5016
			54	Connector	YNV5030
11	Cover	CNS7068	55	Lighting Conductor	YNV5032
12	CD Mechanism Module(S10.5)	CXK5750	56	Grille Unit(P480MP)	YXA5159
13	Cord Assy	XDE7008		Grille Unit(P4800MP)	YXA5127
14	Insulator	XNM7100
15	Cable	YDE5013	57	Button Unit(UP,DOWN,LEFT,RIGHT)(P480MP)	YXC5025
				Button Unit(UP,DOWN,LEFT,RIGHT)(P4800MP)	YXC5022
16	Cord Assy	YDE5014	58	Button(EJECT)	CAC7752
17	Case	YNB5008	59	Screw(M2 x 4)	CBA1649
18	Panel(P480MP)	YNS5157	60	Screw(M2 x 4.5)	CBA1925
	Panel(P4800MP)	YNS5114
19	Tuner Amp Unit(P480MP)	YWM5085	61	Washer	CBF1038
	Tuner Amp Unit(P4800MP)	YWM5087	62	Spring	CBH2650
			63	Spring	CBH2651
20	Screw	ASZ26P060FTC	64	Spring	CBH2652
21	Screw	BPZ26P080FTC	65	Spring	CBH2653
22	Screw	BSZ26P160FTC
> 23	Fuse(10 A)	CEK1208	66	Spring	CBL1512
24	Pin Jack(CN353)	CKB1051	67	Holder	CND1254
			68	Pin	CNV6486
25	Plug(CN901)	CKM1376	69	Arm	CNV7400
26	Plug(CN801)	CKS3537	70	Arm	CNV7401
27	Connector(CN352)	CKS3584
28	Connector(CN701)	CKS3834	71	Arm	CNV7402
29	Antenna Jack(CN401)	CKX1056	72	Arm	CNV7403
			73	Holder Unit	CXB9501
30	Connector(CN101)	CKS5271	74	Holder Unit	CXB9502
31	Holder	CND1352	75	Damper Unit	CXB9503
32	FM/AM Tuner Unit	CWE1957
33	Holder	CND1054	76	Gear	YNV5053
34	JACK(CN621)	YKS5001	77	Panel Unit	YWM5099
			78	Connector(CN1901)	CKS4806
35	Holder	YNC5015	79	Connector(CN1902)	CKS5192
36	Heat Sink	YNR5004	80	Sub Panel Unit	YXA5160
37	Detachable Assy(P480MP)	YXA5104
	Detachable Assy(P4800MP)	YXA5105	81	Chassis Unit	YXA5131
38	Screw	BPZ20P100FTB	82	IC(IC1801)	TSOP4840SB1
			83	IC(IC301)	PAL007B
39	Spring	CBH2210	84	Transistor(Q702,Q911)	2SD2396
40	Knob(SOURCE,VOLUME)	YAA5006	85	IC(IC921)	NJM2388F84
41	Button(OPEN)	YAC5067
42	Button(EQ)	YAC5068	86	Screw(P4800MP)	BMZ40P140FTC
43	Button(BAND)	YAC5069	87	Holder(P4800MP)	CNV7619
44	Button(1-6)	YAC5070

45Button(AUDIO,FUNCTION,SW)(P480MP) YAC5096 Button(AUDIO,FUNCTION,SW)(P4800MP) YAC5072

		DEH-	P480MP/XU/UC				9
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2.3 CD MECHANISM MODULE

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CD MECHANISM MODULE SECTION PARTS LIST
Mark No.	Description	Part No.			Mark No.			Description	Part No.
1	CD Core Unit(S10.5COMP1)	CWX3176		50			Rack		CNV8342
2	Connector(CN101)	CKS4808
3	Connector(CN901)	CKS5284		51			Roller		CNV8343
4	Screw	BMZ20P025FTC		52			Holder		CNV8344
5	Screw	BSZ20P040FTC		53			Arm		CNV8345
				54			Guide		CNV8347
6	Screw(M2 x 3)	CBA1511		55			Arm		CNV8348
7	Screw(M2 x 4)	CBA1835
8	Washer	CBF1038		56			Arm		CNV8349
9	•••••			57			Arm		CNV8350
10	Spring	CBH2609		58			Clamper		CNV8365
				59			Arm		CNV8386
11	Spring	CBH2612		60			Guide		CNV8396
12	Spring	CBH2614
13	Spring	CBH2616		61			Arm		CNV8413
14	Spring	CBH2617		62			Collar		CNV8447
15	Spring	CBH2620		63			Motor Unit(M2)		CXC4026
				64			Arm Unit		CXC4027
16	Spring	CBH2855		65			Chassis Unit		CXC4028
17	Spring	CBH2937
18	Spring	CBH2735		66			Gear Unit		CXC4029
19	Spring	CBH2854		67			Frame Unit		CXC4031
20	Spring	CBH2642		68			Motor Unit(M1)		CXC6742
				69			Screw Unit		CXC6359
21	Spring	CBH2856		70			Screw		JFZ20P020FTC
22	Spring	CBH2857
23	Spring	CBH2860		71			Screw		JGZ17P022FTC
24	Spring	CBH2861		72			Washer		YE20FTC
25	Spring	CBL1686		73			Pickup Unit(P10.5)(Service)		CXX1942
				74			Screw		IMS26P030FTC
26	Arm	CND1909
27	Frame	CND2582
28	Bracket	CND2583
29	Arm	CND2584
30	Lever	CND2585
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	CNV8189
45	Gear	CNV7219
46	Guide	CNV7361
47	Gear	CNV7595
48	Guide	CNV8448
49	Arm	CNV7805
				DEH-	P480MP/XU/UC					11
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4

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A

A TUNER AMP UNIT

VDD5

TUNPDI TUNPCK

TUNPDO

FM/AM TUNER UNIT

7

6

13

5

10

9

8

11

14

18

19

20

21

NC

CE2

VDD

SL

DI

CK

CE1

NC

DO

NC

NC

NC

NC

ROM_

IC 3 EEPROM

IC 5

5.0V

5V

← 3.3V

OSC

LPF

B

ANTENNA

CN401

AM ANT

FMRF

1

1

ATT

2

Rch 24

IC 2

FM ANT

IC 1

2.5V

3.3V

3

ATT

Lch 23

FMRF

MIXER, IF AMP

DET, FM MPX

ANT adj

RF adj

T51

CF52

RFGND

OSCGND

AUDIOGND

VDD 3.3

IC 4

DGND

VCC

3.3V

3.3V←

2.5V

2.5V

TUNL

2

C

NC

2

12

15

22

16

4

17

5

VDD_3.3V

4

VCC8

3

1

CN101

11

BUSL−

7

BUSL+

B14

Q101

8

B.UP

BUS

Q102

_

ASENBO

40

IP

ASENBO

1

30

TX

29

5

B−

5

IC 101

2

RX

D

1

B+

6

HA12241FP

27

RX2

8

52

IPPW

CN621

PICKUP UNIT

CD CD CORE UNIT(S10.5COMP1)

5

AUX-L

3

IC 751

1

SYSTEM CONT

(P10.5)(SERVICE)

NJM4558MD

IC 601(2/2

3

KEY1

34

PEG155B

KEYD

CN101

V3R3D

LASER

2

KEY2

94

KEYAD

DIODE

LD-

142

15

15

LD

31

IC201

LOUT

Q101

MD

5

5

143

PD

UPD63763CGJ

REFO

VREF

8

8

133

REFOUT

RF-AMP,CD DECODER,

AC,BD

34

HOLOGRAM

MP3 , WMA, DECODER,

XTAL

UNIT

F,E

DIGITAL SERVO / DATA PROCESSOR

FOM

FOM

/XTAL 35

CN901

3

3

CN701

FOP

FOP

LOCK/RFOK

X201

LOUT

LOUT

FOCUS ACT.

2

2

16.93MHz

16

16

MONITOR TRACKING ACT.

TOP

1

1

TOP

56

DIODE

TOM

TOM

TD,FD

SD,MD

XRST,XASTB,ADO,XCK,

4

4

LD+

14

14

CD

XSO,XSI,WAIT,XINT

12

VDD

E

11

FOPFOM DRIVER

Q701

14

TOP

SWVDD

VDD 11

11

VDD5

13

TOM

63

SPINDLE

M

IC301

LOCK

/CD3VON

43

MOTOR

16

BA5835FP

21

14

/RESET 10

/RESET

21

SOP

CLCONT

41

CLCONT

RESET

10

CDRST

15

SOM

22

40

CDMUTE 39

CDMUTE 8

8

LOAD/ CARRIAGE

M

18

LCOP

LOEJ

LOEJ

IC701

BRST,BRXEN,BSRQ

BRST,BRXEN,BSRQ,BDATA,BSCK

MOTOR

17

LCOM

CONT

9

47

CONT

PE5505A

BDATA,BSCK

CD CONTROLLER

Q702

VD

VD

12

VD

1

1

B.UP

32

X1

Q701

12EJ

X701

2

2

3

4

31

8EJ

13

4.00MHz

5

30

X2

DSCSNS

2

42

HOME

49

VDCONT

S904

S905

S901

VDCONT

9

9

VDCONT

12EJ

8EJ

HOME

CD3VON

S903

46

DSCSNS

F

4

IC203

1

V3R3D

NJM2886DL3-33 3

VD

+3.3V REGULATOR

12

DEH-P480MP/XU/UC

1

2

3

4

5

6

7

8

CN351

SWL

2

RESET

Q351

1

IC 961

2

VDD5

BD4843G

CN352

RCRL

1

12

Q352

RESET

CN353

TUNPDO

68

TPDI

RCFL

2

TUNPDI

86

TPDO

Q353

TUNPCK

67 TPCK

VDD5V REG.

CE1

66

TUNPCE1

Q911

CE2

65

TUNPCE2

VDD5

Q912

SYSTEM CONTROLLER

IC 601(1/2)

47

PEG155B

DALMON

BACKUP SENSE

B.UP

CN901

BSENS

19

BSENS

FUSE

1

BACK UP

1

10A

Q931

20

ASENS

ACC

ASENS

3

3

ACC

ACC SENSE

2

2

GND

B.UP

AMP

20

6

ELECTRONIC VOLUME/

VCC

VCC

TUNL

SOURCE SELECTOR

14

2

6

FLIN

23

FL−

IN2−_L

FRONT_L

IC 301

FL−

10

10

FL-

12

PAL007B

FL+

21

FL+

12

12

FL+

PRE/SW_L

RL−

3

RL−

5

7

12

RLIN

9

9

RL-

IN4−_L

REAR_L

RL+

5

RL+

11

11

RL+

4

IC 151

IN4+_L PML015A

22

25

BREM

MUTE

STBY

B.REM

6

6

B. REM

3

IN3_L

13

4

VP

1

IN1_L

MUTE

VCC8

VST

Q453

B.UP

TUN3V REG.

SYS 8V REG.

VDT,

3

IC 401

1

2

IC 921

1

VCK,

VDD_3.3V

NJM2885DL1-33

NJM2388F84

B.UP

Q451

4

MUTE

53

40

ASENBO

SYSPW

30

TX

29

RX

SYSPW

48

SYSPW

27

RX2

BUZZ

52

IPPW

BZ601

Q172

PEE

26

HI-OUT 12V

Q171

B.UP

SYSTEM CONTROLLER

8

5

1

IC 171

7

IC 601(2/2)

NJM2360M

6

34

PEG155B

KEYD

DEH-P480MP/UC only

94

KEYAD

XOUT

13

X601

XIN

15

D PANEL UNIT

B KEYBOARD UNIT

CN801

CN1902

CN1901

CN1801

D1804-D1826

KEY MATRIX

Q841

ILMB+

ILMB+

ILM

B.UP

8

8

10

10

S1801

S1803

S1804

S1805

S1806

Q842

1

DOWN

2

BAND

DISP

1

ILMPW

S1901

EJTIN 2

EJECT

DGND

DGND

S1807

S1808

S1809

S1810

14

14

1

1

LEFT

3

AUDIO

UP

Q802

FLPILM

21

CDRST

B.UP

12

12

S1811

S1812

S1813

Q801

EJECT

S1814

4

SW/BB

RIGTH

FUNC

6

FLPILM

Q851

SWVDD

SWVDD

5

5

SWVDD

S1815

S1816

S1817

S1818

P

VDD5

10

10

5

EQ

CLOCK

6

Q852

S1827

SWVDD

7

VOLUME

SWVDD

PUSH:SOUCE

REM.CON.

92

9

SSENS

9

SSENS

3

3

SSENS 4

SSENS

3

IC1802

1

3

ROT1

ROT1

6

6

ROT1

1

ROT1

6

6

TSOP4840SB1

4

ROT0

ROT0

ROT0

2

ROT0

5

5

8

8

57

CSENS

93

13

CSENS

13

CSENS

12

12

CSENS

REM

KEY DATA

X0

54

X1801

DPDT

35

4

DPDT

4

DPDT

9

9

DPDT

50

SI

LCD DRIVER/

X1

55

5MHz

KYDT

36

3

KYDT

3

KYDT

11

11

KYDT

49

SO

KEY CONTROLLER

S801

46

V3

IC 1801

LCD1801

18

PD6538A

DSENS

47

VDD

DSENS

A

B

C

D

E

F

		DEH-	P480MP/XU/UC				13
5	6				7	8

1

2

3

4

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

		Large size
A-a	A-b	SCH diagram
A-a	A-b	Guide page
A-a	A-b	Detailed page

B

C

D

A-a

C CN901

FM:-24dBs

AM:-24dBs

UNIT	471/16
FM/AM TUNER

CD:0.35dBs

			15,000MHz
RESET	VCC	XIN	VSS	XOUT
CD-

NC

NC

VCC

VSS

CE2

CE1

TUNPCK

TUNPDI

IP-Bus:2.21dBs

E

B

CN1801

EJECT

F

D PANEL UNIT

A D

14		DEH-P480MP/XU/UC
1	2		3	4

5

6

7

8

A-b

P480MP

A TUNER AMP UNIT

>

FM,AM:-2.9dBs

CD:10.45dBs

IP-Bus:10.31dBs

3A

3A >

		332/16
XOUT
AVCC
VREF
AVSS	473:P4800MP		CEK1208 10A
		600µH	>
	473:P480MP
	104:P4800MP
TUNPDO
TUNPDI		471/16

FM,AM:23.1dBs

CD:36.45dBs

IP-Bus:36.31dBs

NOTE :
Symbol indicates a resistor.	For resistors and capacitors in the circuit diagrams, their resistance
No differentiation is made between chip resistors and	values or capacitance values are expressed in codes:
discrete resistors.
Symbol indicates a capacitor.	Ex. *Resistors
No differentiation is made between chip capacitors and	Code	Practical value
discrete capacitors.	123	12k ohms
	103	10k ohms
The > mark found on some component parts indicates
the importance of the safety factor of the part.	*Capacitors
Therefore, when replacing, be sure to use parts of	Code	Practical value
identical designation.	103	0.01uF
DSENS	101/10	100uF/10V

A

		DEH-	P480MP/XU/UC				15
5	6				7	8

A

B

C

D

E

F

1

A

A-b 1

B	CN901
	C

C

A-a A-b

D

-FM:24dBs	AM:-24dBs
E

F

A-a

16

1

2		3	4

AVCC VREF

AVSS

TUNPDO

2

	XOUT
15,000MHz	VSS
CD:0.35dBs	XIN
	VCC
	CD-RESET

NC

NC

471/16

FM/AMTUNERUNIT

DEH-P480MP/XU/UC

2

3

4

5

6

7

TUNPDO

3

4

TUNPDI

TUNPCK

CE1

CE2

VSS

VCC

NC

IP-Bus:2.21dBs

B

CN1801

DEH-P480MP/XU/UC

5

6

7

8

DSENS		A
	A-b

B

C

A-a A-b

EJECT		D
	UNIT
	PANEL
	D
		E

F

A-a D

17

8

1

2

3

4

10A

A

CEK1208	>
>
3A

600µH

	UNIT	>		3A	332/16
B	AMPTUNER
	A
C	P480MP
	A-b
	A-a
D
E		2.9dBs-FM,AM:	CD:10.45dBs	Bus:10.31dBs-IP	473:P4800MP	473:P480MP	104:P4800MP

F

A-b	1	2

AVCC VREF

AVSS

TUNPDO

18		DEH-P480MP/XU/UC
1	2		3	4

TUNPDO

5

3

6

7

4 P480MP/XU/UC-DEH

8

DSENS

473:P480MP

104:P4800MP

471/16

FM,AM:23.1dBs

CD:36.45dBs

IP-Bus:36.31dBs

NOTE :

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.

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.

For resistors and capacitors in the circuit diagrams, their resistance values or capacitance values are expressed in codes:

Ex. *Resistors
Code	Practical value
123	12k ohms
103	10k ohms
*Capacitors
Code	Practical value
103	0.01uF
101/10	100uF/10V

19	-A
	b				A-a	A-b
		F	E	D			C	B	A

5

6

7

8

1

2

3

4

3.3 KEYBOARD UNIT

A

B

LCD DRIVER / KEY CONTROLLER

C

D

E

F

B

20		DEH-P480MP/XU/UC
1	2		3	4

5

6

7

B KEYBOARD UNIT

FUNCTION

DISPLAY

DEH-P480MP/XU/UC

5

6

7

8

A

D

B

CN1901

C

D

E

F

B

21

8

1

2

3

4

3.4 CD MECHANISM MODULE(GUIDE PAGE)

A

C-a

S

C

T

F

S

C

T

F

B	PICKUP UNIT(P10.5)(SERVICE)

$

C

D

F

T

F

T

F

F

T

T

SWITCHES:
CD CORE UNIT(S10.5COMP1)
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.

F

F

T

T

@

!

M1	CXC6742		CD DRIVER
SPINDLE MOTOR
		S
		S
		C		#
		C
M2	CXC4026	T		S
LOADING/CARRIAGE MOTOR
		8		6
		F		C
		9		7
			4
E
		F
		F
	3	T
		T
	2
	1		S S C	C

F

C

22		DEH-P480MP/XU/UC
1	2		3	4

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

NC

5

6

7

C-b

SIGNAL LINE

	F	FOCUS SERVO LINE
	T
		TRACKING SERVO LINE
	C
		CARRIAGE SERVO LINE
	S
		SPINDLE SERVO LINE

8

A

Decimal points for resistor				B
and capacitor fixed values
are expressed as :
2.2	←	2R2
0.022		←	R022

C CD CORE UNIT(S10.5COMP1)

0

			+ 3.3 V REGULATOR
			C
			D
NC NC NC NC NC	NC NC NC NC NC	NC NC
NC
NC
NC
NC			CD3VON(MCKRQ)
NC			SRAMLEVEL2
NC
NC			ADENA
NC
NC
NC
NC
NC
NC
NC			SRAMLEVEL1
			SRAMLEVEL0
			5
	CD CONTROLLER		(S904)
			(S905)
NC			E
NC
		NC
			^
			%
			A CN701

F

C

		DEH-	P480MP/XU/UC				23
5	6				7	8