Pioneer DEHP-680-MP, DEHP-6800-MP, DEHP-6850-MP Service manual

ORDER NO.

CRT3569

DEH-P680MP/XN/UC

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

DEH-P680MP/XN/UC

DEH-P6800MP/XN/UC

DEH-P6850MP/XN/ES

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

1

2

3

4

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

- Service 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

Cthe 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		DEH-P680MP/XN/UC
1	2		3	4

5

6

7

8

[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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B

C

D

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F

		DEH-	P680MP/XN/UC				3
5	6				7	8

	1	2	3	4
	CONTENTS
	SAFETY INFORMATION.....................................................................................................................................			2
	1. SPECIFICATIONS ............................................................................................................................................			5
A	2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................			8
	2.1 PACKING			8
	2.2 EXTERIOR...............................................................................................................................................			10
	2.3 CD MECHANISM MODULE.....................................................................................................................			14
	3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ..........................................................................................			16
	3.1 BLOCK DIAGRAM ...................................................................................................................................			16
	3.2 TUNER AMP UNIT(GUIDE PAGE) ..........................................................................................................			18
	3.3 KEYBOARD UNIT....................................................................................................................................			24
	3.4 CD MECHANISM MODULE.....................................................................................................................			26
	4. PCB CONNECTION DIAGRAM .....................................................................................................................			36
	4.1 TUNER AMP UNIT...................................................................................................................................			36
	4.2 CD CORE UNIT(S10. 5COMP1)..............................................................................................................			40
B	4.3 KEYBOARD UNIT....................................................................................................................................			42
	5. ELECTRICAL PARTS LIST ............................................................................................................................			43
	6. ADJUSTMENT ...............................................................................................................................................			53
	6.1 CD ADJUSTMENT...................................................................................................................................			53
	6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT ....................................................			55
	6.3 ERROR MODE ........................................................................................................................................			57
	6.4 FREQUENCY CHECK FOR CLOCK .......................................................................................................			58
	7. GENERAL INFORMATION.............................................................................................................................			59
	7.1 DIAGNOSIS .............................................................................................................................................			59
	7.1.1 DISASSEMBLY .....................................................................................................................................			59
	7.1.2 CONNECTOR FUNCTION DESCRIPTION..........................................................................................			63
C	7.2 IC .............................................................................................................................................................			64
	7.3 OPERATIONAL FLOW CHART ...............................................................................................................			75
	8. OPERATIONS ................................................................................................................................................			76

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4		DEH-P680MP/XN/UC
1	2		3	4

5

6

7

8

1. SPECIFICATIONS

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B

C

D

E

F

		DEH-	P680MP/XN/UC				5
5	6				7	8

1

2

3

4

A

B

C

D

E

F

6		DEH-P680MP/XN/UC
1	2		3	4

5

6

7

8

A

B

C

D

E

F

		DEH-	P680MP/XN/UC				7
5	6				7	8

1	2	3	4
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.

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

B

4

3

14

C

17

13

D

16

E

F

8		DEH-P680MP/XN/UC
1	2		3	4

		5			6	7	8
PACKING SECTION PARTS LIST
Mark		No.		Description	DEH-P680MP/XN/UC	DEH-P6800MP/XN/UC	DEH-P6850MP/XN/ES
		1	Polyethylene Bag		CEG1173	CEG1173	CEG-162
		2	Cord Assy		XDE7007	XDE7007	XDE7007
		3	Case Assy		XXA7417	XXA7417	XXA7417
		4-1	Owner's Manual		XRD7109	XRD7111	XRD7113
		4-2	Installation Manual		XRD7110	XRD7112	XRD7115
*		4-3	Caution Card		XRP7002	XRP7002	XRP7002
		4-4	Caution Card		CRP1310	CRP1310	CRP1310
*		4-5	Warranty Card		CRY1070	CRY1246	Not used
		4-6	Owner's Manual		Not used	Not used	XRD7114
*		4-7	Caution Card		Not used	CRP1294	Not used
		5	Screw Assy		CEA5322	CEA5322	CEA3849
		6	Screw		JPZ20P060FTB	JPZ20P060FTB	Not used
		7	Screw		CBA1650	CBA1650	CBA1650
*		8	Polyethylene Bag		CEG-127	CEG-127	CEG-127
		9	Screw		CRZ50P090FTC	CRZ50P090FTC	CRZ50P090FTC
		10	Screw		TRZ50P080FTC	TRZ50P080FTC	TRZ50P080FTC
*		11	Polyethylene Bag		CEG-158	CEG-158	CEG-158
		12	Handle		CNC5395	CNC5395	CNC5395
		13	Protector		XHP7008	XHP7008	XHP7008
		14	Protector		XHP7007	XHP7007	XHP7007
		15	Bush		CNV3930	CNV3930	CNV3930
		16	Contain Box		XHL7111	XHL7110	XHL7109
		17	Remote Control Assy		CXC5717	CXC5717	CXC5717
		18	Unit Box		XHG7111	XHG7110	XHG7109
Owner's	Manual,Installation Manual
Part No.					Language
XRD7109,XRD7110,				English,French
XRD7111,XRD7112
XRD7113				English,Spanish,Portuguese(B)
XRD7114				Arabic,Traditional Chinese
XRD7115				English,Spanish,Portuguese(B),Arabic,Traditional Chinese

A

B

C

D

E

F

		DEH-	P680MP/XN/UC				9
5	6				7	8

1

2

3

4

2.2 EXTERIOR

8

A

9

12

75

79

B

90

91

21

C

1

1

D

19

77

92

88

93

94

10

1

						63
		69
					74
		65	68		2				A
			66
				70					C
			64			2
		76
				64
									72
		95
			76	71		68	B
		B		76	67
					64	66
84 87							73
		85			76
	82	80		81
					98
			89
				99
		83
		86				17
									1
	78						26
		13				25
							38
					45			6
						25	25
			D
				43
			97
	22	33					25
			44		96
							7
	15 23 16
			37	31		24	11	5
23		42
				28	29	E
	15
					35
	34				30	40
			A				100
	36					39
14	B				27		41
				32

48	D	54
							20
	56			47
48				48
	55	47
3	62 59	A		61			1		4
					49
E		47					1	18
				51
			53
3
					50			D
	62			52
			62
									E
	46					60
					60	58
				C		62
									47
					57		47
F									47
					62	3	3
10						DEH-P680MP/XN/UC
	1				2			3	4

	5	6		7	8
(1)EXTERIOR SECTION PARTS LIST
Mark No.	Description	Part No.	Mark No.	Description	Part No.

1	Screw	BSZ26P060FTC
2	Screw(M2.6x4)	CBA1828
3	Screw(M2x2.5)	CBA1924
4	Holder	CNC8659
5	Earth Plate	CND2171
6	Insulator	CNM8790
7	Cushion	CNM9126
8	Remote Control Assy	CXC5717
9	Cover	CZN5357
10	CD Mechanism Module(S10.5)	CXK5752
11	Screw	ISS26P055FTC
12	Cord Assy	XDE7007
13	Cord Assy	XDE7013
14	Cable	XDE7015
15	Transistor(Q901,Q951)	2SD2396
16	IC(IC931)	NJM2388F84
17	Case	XNB7005
18	Holder	XNC7014
19	Insulator	XNM7106
20	Insulator	XNM7114
21	Panel	See Contrast table(2)
22	Tuner Amp Unit	See Contrast table(2)
23	Screw	ASZ26P060FTC
24	Screw	BPZ26P080FTC
25	Screw	BSZ26P160FTC
26	Antenna Cable	CDH1336
27	Clamper	CEF1046
28	Clamper	CEF1048
> 29	Fuse(10A)	CEK1208
30	Pin Jack(CN312)	CKB1051

51	Gear	CNV7753
52	Gear	CNV7754
53	Gear	CNV7755
54	Switch Unit	CWS1389
55	Switch	CSN1051
56	Spring Switch	CSN1052
57	Arm Unit	CXC2199
58	Arm Unit	CXC6623
59	Arm Unit	CXC6624
60	Screw	JFZ20P020FTC
61	Spring	XBL7003
62	Washer	YE15FTC
63	Panel Unit	See Contrast table(2)
64	Screw(M2x2)	CBA1871
65	Screw	CBA1935
66	Spring	CBH2530
67	Connector	CKS5273
68	Arm	CNV6962
69	Guide	CNV6967
70	Guide	CNV8048
71	Screw	XBA7002
72	Holder	XNC7019
73	FLEXIBLE PCB	XNP7026
74	CASE UNIT	XXA7426
75	DETACHABLE ASS'Y	See Contrast table(2)
76	Screw	BPZ20P080FTB
77	Button(DISP,CLOCK)	XAC7128
78	Button(EJECT)	XAC7130
79	Lighting Conductor	XNV7027
80	Connector(CN1801)	CKS5272

31	Plug(CN901)	CKM1376
32	Plug(CN801)	CKS-786	81	Connector(CN1802)	CKS5545
33	Plug(CN311)	CKS1238	82	Double Sided Tape	CNM8673
34	Connector(CN651)	CKS3834	83	OEL UNIT	MXS8231
35	Connector(CN161)	See Contrast table(2)	84	IC(IC1811)	GP1UX31RK
			85	JACK(CN1803)	XKN7001
36	Connector(CN871)	CKS4811
37	Connector(CN101)	CKS5271	86	Holder	XNC7009
38	Holder	CNC5399	87	Double Sided Tape	XNM7118
39	FM/AM Tuner Unit	CWE1952	88	Holder	XNV7023
40	Holder	CND1054	89	Holder	XNV7029
			90	Button Unit(EQ,SW)	XXA7377
41	Tube	XDM7001
42	Holder	XNC7011	91	Button Unit(SRC,BAND)	XXA7379
43	Holder	See Contrast table(2)	92	Button Unit(LIST)	XXA7380
44	Insulator	XNM7031	93	KNOB UNIT	XXA7381
45	Heat Sink	XNR7001	94	SUB GRILLE ASS'Y	See Contrast table(2)
			95	COVER UNIT	XXA7428
46	DRIVE UNIT	XXA7406
47	Screw	BMZ26P040FTC	96	IC(IC301)	PAL007B
48	Screw(M2x2)	CBA1871	97	Choke Coil(L841)	CTH1280
49	Cord	CDE7392	98	Screw	See Contrast table(2)
50	Gear	CNV7752	99	Holder	See Contrast table(2)
			100	Arrestor(AR401)	DSP-201M-S00B

		DEH-	P680MP/XN/UC				11
5	6				7	8

A

B

C

D

E

F

1

2

3

4

(2) CONTRAST TABLE

DEH-P680MP/XN/UC , DEH-P6800MP/XN/UC and DEH-P6850MP/XN/ES are constructed the same except for the following:

A	Mark	No.	Description	DEH-P680MP/XN/UC	DEH-P6800MP/XN/UC	DEH-P6850MP/XN/ES
		21	Panel	XNS7145	XNS7144	XNS7144
		22	Tuner Amp Unit	XWM7116	XWM7115	XWM7114
		35	Connector(CN161)	CKS4124	CKS4124	Not used
		43	Holder	XNC7022	XNC7022	XNC7012
		63	Panel Unit	XXA7408	XXA7407	XXA7407
		75	Detachable Assy	XXA7413	XXA7412	XXA7411
		94	Sub Grille Assy	XXA7420	XXA7419	XXA7418
		98	Screw	Not used	BMZ40P140FTC	Not used
		99	Holder	Not used	CNV7619	Not used

B

C

D

E

F

12		DEH-P680MP/XN/UC
1	2		3	4

5

6

7

8

A

B

C

D

E

F

		DEH-	P680MP/XN/UC				13
5	6				7	8

1

2

3

4

2.3 CD MECHANISM MODULE

A

B

C

D

E

F

14		DEH-P680MP/XN/UC
1	2		3	4

	5	6					7		8
CD MECHANISM MODULE SECTION PARTS LIST
					Mark No.			Description	Part No.
Mark No.	Description	Part No.		50			Rack		CNV8342
1	CD Core Unit(S10.5COMP1)	CWX3176
2	Connector(CN101)	CKS4182		51			Roller		CNV8343
3	Connector(CN901)	CKS5284		52			Holder		CNV8344
4	Screw	BMZ20P025FTC		53			Arm		CNV8345
5	Screw	BSZ20P040FTC		54			Guide		CNV8347
				55			Arm		CNV8348
6	Screw(M2 x 3)	CBA1511
7	Screw(M2 x 4)	CBA1835		56			Arm		CNV8349
8	Washer	CBF1038		57			Arm		CNV8350
9	•••••			58			Clamper		CNV8365
10	Spring	CBH2609		59			Arm		CNV8386
				60			Guide		CNV8396
11	Spring	CBH2612
12	Spring	CBH2614		61			Arm		CNV8413
13	Spring	CBH2616		62			Collar		CNV8938
14	Spring	CBH2617		63			Motor Unit(M2)		CXC4026
15	Spring	CBH2620		64			Arm Unit		CXC4027
				65			Chassis Unit		CXC4028
16	Spring	CBH2855
17	Spring	CBH2937		66			Gear Unit		CXC4029
18	Spring	CBH2735		67			Frame Unit		CXC4031
19	Spring	CBH2854		68			Motor Unit(M1)		CXC4166
20	Spring	CBH2642		69			Screw Unit		CXC6359
				70			Screw		JFZ20P020FTC
21	Spring	CBH2856
22	Spring	CBH2857		71			Screw		JGZ17P022FTC
23	Spring	CBH2860		72			Washer		YE20FTC
24	Spring	CBH2861		73			Pickup Unit(P10.5)(Service)		CXX1942
25	Spring	CBL1686		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	CNV7218
45	Gear	CNV7219
46	Guide	CNV7361
47	Gear	CNV7595
48	Guide	CNV7799
49	Arm	CNV7805
				DEH-	P680MP/XN/UC					15
	5	6						7	8

A

B

C

D

E

F

1

2

3

4

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A

A TUNER AMP UNIT

5.2V

CE2

SL

DO

CK

CE1

DI

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

B

OSC

LPF

ANTENNA CN401

AM ANT

FMRF

1

1

ATT

2,3

Rch 24

IC 2

1

FM ANT

IC 1

2.5V

2

3

ATT

3.3V

Lch

23

FMRF

MIXER, IF AMP

DET, FM MPX

CN402

ANT adj

RF adj

T51

CF52

RFGND

OSCGND

DGND

AUDIOGND

NC VCC

3.3VDD

IC 4

3.3V 3.3V← 2.5V

2.5V

C

2

12

15

22

16

4

17

3.3V REGULATOR

3.3V

3

IC401

1

SYS+B8.4V

NJM2885DL1-33

CN101

BUZZER

7

BUSL+

BZ601

11

BUSL-

IP-BUS

5

1

8

22

PICKUP UNIT

CD CD CORE UNIT(S10.5)

IP-BUS DRIVER

28

PEE

(P10.5)(SERVICE)

BUS-

5

IC 101

1 TX

TX

BUS+

6 HA12241FP 2 RX

19

RX2

27

D

CN101

V3R3D

8

RX

LASER

CN901

CN651

79

DIODE

LD- 15

15

142

IPPW

IPPW

9

Q101

LD

IC201

LOUT

31

LOUT

16

5

CDL

JSNSON1

MD

5

5

143

UPD63763CGJ

REFO

PD

Q101

VREF

8

8

133

REFOUT RF-AMP,CD DECODER,

85

AC,BD

34

B.UP14.4V

MUTE

HOLOGRAM

MP3 , WMA, DECODER,

XTAL

1

SYSPW

UNIT

F,E

DIGITAL SERVO / DATA PROCESSOR

X201

FOM

FOM

/XTAL 35

16.93MHz

80

ASENBO

3

3

FOCUS ACT.

FOP

2

2

FOP

LOCK/RFOK

MONITOR TRACKING ACT.

TOP

1

1

TOP

56

Q102

DIODE

TOM

TOM

TD,FD

SD,MD

XRST,XASTB,ADO,XCK,

JSNSON2

18

4

4

LD+

14

14

CD

XSO,XSI,WAIT,XINT

12

VDD

FOM

87

11

FOP DRIVER

Q701

JCKSNS

36

14

TOP

SWVDD

VDD 11

10

VDD5.2V

ROT0

35

13

TOM

63

ROT1

SPINDLE

M

IC301

SYSTEM

LOCK

/CD3VON

43

MOTOR

16

BA5835FP

21

14

/RESET 10

11

RST2

92

RST2 CONTROLLER

SOP

CLCONT

41

CLCONT

RESET

15

SOM

22

40

CDMUTE 39

CDMUTE 8

13

IC 601(2/2)

LOAD/ CARRIAGE

M

18

LCOP

LOEJ

LOEJ

IC701

BRST,BRXEN,BSRQ

BRST,BRXEN,BSRQ

PEG142A:A,B

MOTOR

17

LCOM

CONT

9

47

CONT

PEG143A:C

PE5505A

BDATA,BSCK

VD 7.5V REGULATOR Q651

BDATA,BSCK

CD CONTROLLER

E

41

X1

12

VD

VD

1

20

VD1

7.5V

B.UP14.4V

ILMPW

32

52

12EJ

X701

2

19

FLPCLS

FLPCLS

31

FLPOPN

53

FLPOPN

X2

13

4.00MHz

FOPNSW

50

8EJ

FOPNSW

30

FCLSSW

51

DSCSNS

FCLSSW

42

49

VDCONT

12 VDCONT

FLPPW

49

HOME

VDCONT

9

FLPPW

OELPW DSENS KYDT

DPDT SWVDD

38

S904

S905

S901

CD3VON

FLPILM

12EJ

8EJ

HOME

Q652

S903

46

40

20

91 30

29

DSCSNS

AUTO FLAP

4

IC203

1

CN801

IC801

V3R3D

BA6288FS

NJM2886DL3-33 3

VD

FM02

11

4

14

FLPCLS

+3.3V REGULATOR

M

OUT2 RIN

FM01

3

6

FLPOPN

5

OUT1 FIN

B.UP14.4V

FLAP MOTOR

4

VM

Q851

5

VCC

Q852

FOPNSW

2 FOPNSW

FOPNSW

D

A:DEH-P680MP/XN/UC

FCLSSW

3 FCLSSW

FCLSSW

OELPW

Q801

F

B:DEH-P6800MP/XN/UC

SWITCH UNIT

6.3V

B.UP14.4V

C:DEH-P6850MP/XN/ES

Q802

OEL+B REGULATOR

FLPPW

6.3V REGULATOR

A

TUNL

BUSL+

BUSL-

CDL

AUXL

VST,VCK,VDT

SAOUT,SACLK

SP INPUT

ISOLATOR

IC171

BA3121F

5

7

2

Q192

B.UP14.4V

ILB CONTR

Q8

Q822

SW

Q8

VDD5.2V

SWVDD

9.2V

6,7 IC851 NJM2360M

DC-DC CONVERT

Q84

16		DEH-P680MP/XN/UC
1	2		3	4

5

6

7

8

A

CN311

RESET

RL

RL

2

REAR L

Q631

1

IC631

2

VDD5.2V

Q311

S-80835CNMC-B8U

A

RST1

CN312

10

SWL

SWL

SW L

RESET

Q313

CE2

XIN

13

69

TUNPCE2

X601

CE1

70

11

FL

FL

4

TUNPCE1

XOUT

10.00MHz

FRONT L

DI

46

TUNPDI

VDD 5.2V REGULATOR

DO

Q312

47 TUNPDO

Q911

B

CK

48

TUNPCK

VDD5.2V

SL

95

Q912

SL

CN161

KEYD

SYSTEM

3

WIRED

CONTROLLER

67

KEYAD

2

IC 601(1/2)

DALMON

REMOTE

1

PEG142A:A,B

KEYD

2

PEG143A:C

89

KEYAD

88

BATIND

CN901

BACKUP SENSE

B.UP14.4V

73

B.UP

FUSE

BSENS

1

B.UP

72

Q931

ACC

ASENS

3

ACC

ACC SENSE

Q941

ISENS

81

ILM

5

ILM

Q951

VDD5.2V

ILM SENSE

TEL

8

TEL

8

TELIN

57

EMUTE

TELEPHONE MUTE

C

ELECTRONIC VOLUME/

B.UP14.4V

2

GND

SOURCE SELECTOR

POWER AMP

14

MUTE

6,20

TUNL

8

IN3_L

40

VCC

23

FL-

FL-

BUSL+

7

FL-

10

IN4+_L

PRE/SW_L

21

IC301

FL+

FL+

14

FL+

12

BUSL-

6

38

IN4-_L

Front_L

3

RL-

FLin

PAL007B

RL-

9

RL-

39

12

CDL

9

IN2_L

IC 201

Rear_L

RLin

STBY

RL+

5

RL+

11

RL+

AUXL

10

PML016A

MUTE

B.REM

IN1L

22

4

25

B.UP14.4V

B.REM

B.REM

6

VST,VCK,VDT

43

PRE-OUT MUTE

Q503

VP

SAOUT,SACLK

SP INPUT

12V REGULATOR

Q201

ISOLATOR

VP

AMP MUTE

IC171

OEL+B

BA3121F

Q502

AUXINL

18.0V

5

Q202

MUTE

7

2

Q191

SYS +B REGULATOR

D

Q501

2

N1

9

SYS+B8.4V

IC971

1

B.UP14.4V

NJM2388F84

B.UP14.4V

A,C

4

TE

85

E-MUTE

1

SYSPW

PW

Q192

VDD5.2V

B KEYBOARD UNIT

N2

18

CN871

CN1801

CN1803

87

JCKSNS

JCKSNS

JCKSNS

AUXR

NS

3

2

36

AUXR

AUXR

JCKSNS

T0

11

10

35

AUXINL

AUXL

AUXL

AUX/AEQ

T1

12

11

B.UP14.4V

AUXG

4

3

AUXG

AUXG

AUXL

CONNECTOR

AUXG

ILB CONTROL

9.3V

Q821

IL+B

IL+B

ROT COMMANDER

13

12

Q822

S1810

ROT0

8

7

ROT0

Phase_B

10

JOYST

PW

41

ROT1

9

8

ROT1

Phase_A

1

FONT ROM

E

5.1V

IC1871

ILLUMINATION

PD8153A:A

SWVDD

3.3V REGULATOR

ROMCE

PD8154A:B,C

S1801,1803-1809

Q831

1,3

S-1200B33-M5

23,

CS1 CS2 RD

VDD5.2V

SWVDD

10

9

SWVDD

IC1831

5

3.3V

33

AVCC

DATA

ADDRESS

KEY MATRIX

OPT IN

IC1811

60

14 96

97

48 46

45

42

88

VR1881

DD

38

SWVDD

Q832

REMOTE CONTROL

12

2

43

14

SENSOR

3

DPDT

6

5

DPDT

GP1UX31RK

1 4

DPDT VCC2

VCC1

VREF

AVCC

CS0

BANK1 BANK2 RD

JOYST

KD0-2,KS0-2

27

13

REM

14

KYDT

KYDT

28

KEY/OEL CONTROLLER

XIN

7

6

KYDT

X1831

OEL UNIT

DSENS

IC1841

11

2

1

DSENS

XOUT

16.000MHz

PEG144A

4V

OEL+B18.0V

LS,CKD,

8 10,11

2

Q851

OELD,D_SEL

9.2V

OEL+B

15

14

OEL+B

S1802

5.1V

5.1V

18V

6,7

IC851

1

A

RST1

RST

(RESET)

NJM2360M

5

4

Q1881

DC-DC CONVERTER

Q1882

F

12V REGULATOR

12V

TOR

Q841

VDD5.2V

CDILM

5

6

DEH-P680MP/XN/UC

7

8

17

1

2

3

4

3.2 TUNER AMP UNIT(GUIDE PAGE)

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

A								A-a
							Large size
							SCH diagram
		A-a			A-b

A-a	A-b	Guide page
A-a	A-b	Detailed page

B

C

D

E

F

A D

18

1

C

CN901

CD:-19.7dBs

IP-Bus: -17.72dBs

FM:-24.7dBs

AM:-24.8dBs

FM/AM TUNER UNIT

CSN1051

CSN1052

D

DEH-P680MP/XN/UC

2

3

M

CSN1051 : OPEN SENSE

CSN1052 : CLOSE SENSE

FLAP MOTOR	B CN1801
SWITCH UNIT

4

5

6

7

8

	A-b
	A TUNER AMP UNIT
	FM:-6.6dBs
	AM:-6.7dBs
FM:-6.1dBs	IP-Bus:-10.56dBs
AM:-6.2dBs	CD:-10.56dBs
IP-Bus:-9.68dBs
CD:-9.68dBs

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.

>

3A

>

3A

600 H

FM:19.9dBs

AM:19.8dBs

IP-Bus:16.32dBs

CD:16.32dBs

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

REAR

R ch

REAR

L ch

>
FUSE
CEK1208	BACK UP
10A

A

B

C

D

E

F

A

		DEH-	P680MP/XN/UC				19
5	6				7	8

1	2	3	4
	F A IP C
A
A-b		1

B

C

A-a A-b

D

19.7dBs-CD:

E

CCN901

F

A-a

20		DEH-P680MP/XN/UC
1	2		3	4

IP-Bus: -17.72dBs

IP-Bus: -17.72dBs

5

6

7

8

A

2

A-b

				B
			CN1801
			B
: OPEN SENSE	: CLOSE SENSE		UNIT	C
M CSN1051	CSN1052	FLAP MOTOR	SWITCH
CSN1052			D
CSN1051
				A-b
				A-a

D

AM:-24.8dBs

FM:-24.7dBs

E

FM/AMTUNERUNIT

F

						A-a		D
		DEH-	P680MP/XN/UC				21
5	6				7	8

1

A

	UNIT	6.6dBs-FM: 6.7dBs-AM: Bus:-IP-10.56dBs 10.56dBs-CD:
B	TUNERAMP

A

C

A-a A-b

D

E

CD:-9.68dBs

IP-Bus:-9.68dBs

AM:-6.2dBs

FM:-6.1dBs

F

A-b

22

1

2

3

4

REAR R ch

REAR L ch

>

3A

>

3A

1

DEH-P680MP/XN/UC

2

3

4

5

6

P680MP/XN/UC-DEH

7

2

8
23	b-A

F

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.

A-a A-b

600µH

FM:19.9dBs

AM:19.8dBs

IP-Bus:16.32dBs

CD:16.32dBs

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

5

>
FUSE
CEK1208	BACK UP
10A

6

7

8

E

D

C

B

A

A

B

C

D

E

F

1

2

3

4

3.3 KEYBOARD UNIT

A CN871

B

24		DEH-P680MP/XN/UC
1	2		3	4