PIONEER DEX-P1R, DEH-P946, DEX-P1 Service Manual

Service

	Manual	DEX-P1R/UC
		ORDER NO.

CRT2206

MULTI-CD CONTROL DSP CD PLAYER WITH RDS/ID-LOGIC TUNER

DEX-P1R UC

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

DEH-P946 ES

MULTI-CD CONTROL DSP CD PLAYER WITH FM/AM TUNER

DEX-P1 ES

-See the separate manual CX-680(CRT2216) for the CD mechanism description, disassembly and circuit description.

-The CD mechanism employed in this model is one of H1 series.

CONTENTS

1.	SAFETY INFORMATION ............................................	2	7.	GENERAL INFORMATION .......................................	98
2.	EXPLODED VIEWS AND PARTS LIST .......................	3		7.1 PARTS .................................................................	98
3.	SCHEMATIC DIAGRAM ...........................................	18		7.1.1 IC................................................................	98
4.	PCB CONNECTION DIAGRAM ................................	56		7.1.2 DISPLAY ..................................................	117
5.	ELECTRICAL PARTS LIST ........................................	74		7.2 DIAGNOSIS ......................................................	119
6.	ADJUSTMENT..........................................................	92		7.2.1 DISASSEMBLY .......................................	119
				7.2.2 TEST MODE ............................................	120
				7.3 BLOCK DIAGRAM ............................................	124
			8.	OPERATIONS AND SPECIFICATIONS...................	126

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. 501 Orchard Road, #10-00, Lane Wheelock Place, Singapore 238880

C PIONEER ELECTRONIC CORPORATION 1998

K-FEA. JUNE 1998 Printed in Japan

DEX-P1R,DEH-P946,DEX-P1

- CD Player Service Precautions

1.For pickup unit(CXX1290) handling, please refer to"Disassembly"(CX-680 Service Manual CRT2216). 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 96).

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

Lead in solder used in this product is listed by the California Health and Welfare agency as a known reproductive toxicant which may cause birth defects or other reproductive harm (California Health and Safety Code, Section 25249.5). When servicing or handling circuit boards and other components which contain lead in solder, avoid unprotected skin contact with the solder. Also, when soldering do not inhale any smoke or fumes produced.

2

DEX-P1R,DEH-P946,DEX-P1

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

- DEX-P1R/UC, DEX-P1/ES

27

15	7
	16
14		13 9
	12	1011
	8

22		21	37
		6	33
			38
26
			28
	5		31
30			18

32		24
29	2
4
	3
	35
		17
36	20	19

25

23

3

DEX-P1R,DEH-P946,DEX-P1

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

(1) PARTS LIST

Mark No. Description			Part No.	Mark No. Description				Part No.
	1	•••••				26	Microphone Assy	CPM1022
	2	Screw	BNC40P120FZK			27-1	Owner's Manual	See Contrast table(2)
	3	Screw	BPZ30P100FZK			27-2	Owner's Manual	See Contrast table(2)
	4	Bracket	CZN6467			27-3	Installation Manual	See Contrast table(2)
	5	Base Assy	CEA2426			27-4	Installation Manual	See Contrast table(2)
	6	Polyethylene Bag	CZE3188	*		27-5	Caution Card	See Contrast table(2)
	7	Spring	CBH-865	*		27-6	Card	CRP1183
	8	Screw	BMZ50P060FMC			27-7	Polyethylene Bag	CEG1116
	9	Screw	See Contrast table(2)	*		27-8	Warranty Card	See Contrast table(2)
	10	Screw	CBA1002	*		27-9	Card	See Contrast table(2)
	11	Screw	CBA1120	* 27-10			Caution Card	See Contrast table(2)
	12	Screw	CMZ50P060FMC			28	Case Assy	CXA7194
	13	Nut	See Contrast table(2)			29	Bracket Assy	CEA2346
	14	Handle	CNC5395			30	Remote Control Assy	See Contrast table(2)
	15	Strap	See Contrast table(2)			30-1	Polyethylene Bag	CEG1011
	16	Bush	CNV1917			31	Cord Assy	CDE5655
	17	Air Cushioned Bag	CEG1080			32	Screw Assy	CZE3198
*	18	Polyethylene Bag	CEG-158	*		33	Polyethylene Bag	CEG-127
	19	Polyethylene Bag	See Contrast table(2)			34	•••••
	20	Air Cushioned Bag	CEG1192	*		35	Polyethylene Bag	CEG-127
	21	Battery	CEX1006	*		36	Polyethylene Bag	CZE3201
	22	Carton	See Contrast table(2)	*		37	Base	CNS5031
	23	Contain Box	See Contrast table(2)	*		38	Sheet	CZA3371
	24	Protector	CHP2032
	25	Protector	CHP2033

- Owner’s Manual

Model	Part No.	Language
DEX-P1R/UC	CRB1514	English
DEX-P1/ES	CRD2730	English, Spanish
	CRD2731	Portuguese, Arabic

- Installation Manual

Model	Part No.	Language
DEX-P1R/UC	CRB1515	English
DEX-P1/ES	CRD2660	English, Spanish
	CRD2661	Portuguese, Arabic

4

DEX-P1R,DEH-P946,DEX-P1

(2) CONTRAST TABLE

DEX-P1R/UC and DEX-P1/ES are constructed same except for the following:

Mark No. Symbol and Description			Part No.
		DEX-P1R/UC		DEX-P1/ES
9	Screw	CBA-102		Not used
13	Nut	NF50FMC		Not used
15	Strap	CNF-111		Not used
19	Polyethylene Bag	CEG1185		*CEG1088
22	Carton	CHG3501		CHG3503
23	Contain Box	CHL3501		CHL3503
27-1	Owner's Manual	CRB1514		CRD2730
27-2	Owner's Manual	Not used		CRD2731
27-3	Installation Manual	CRB1515		CRD2660
27-4	Installation Manual	Not used		CRD2661
* 27-5	Caution Card	CRN1049		Not used
* 27-8	Warranty Card	CRY1070		Not used
* 27-9	Card	Not used		CRP1186
*27-10	Caution Card	CRN1049		Not used
30	Remote Control Assy	CXB2758		CXB2764

5

DEX-P1R,DEH-P946,DEX-P1

- DEH-P946/ES

16

7

13

12 11 910

8

18

19	34

6	36
	35

23
	25
5	29
27	24

	30	21
28
	2
4
	3
	32
		15
33	17	31

22

20

6

DEX-P1R,DEH-P946,DEX-P1

- PACKING SECTION PARTS LIST

Mark No. Description		Part No.	Mark No. Description				Part No.
1	•••••		*		16-6	Card	CRP1183
2	Screw	BNC40P120FZK	*		16-7	Card	CRP1186
3	Screw	BPZ30P100FZK			17	Air Cushioned Bag	CEG1192
4	Bracket	CZN6467			18	Battery	CEX1006
5	Base Assy	CEA2426			19	Carton	CHG3500
6	Polyethylene Bag	CZE3188			20	Contain Box	CHL3500
7	Spring	CBH-865			21	Protector	CHP2032
8	Screw	BMZ50P060FMC			22	Protector	CHP2033
9	Screw	CBA1002			23	Microphone Assy	CPM1022
10	Screw	CBA1120	*		24	Polyethylene Bag	CEG-158
11	Screw	CMZ50P060FMC			25	Case Assy	CXA7194
12	Handle	CNC5395			26	•••••
13	Bush	CNV1917			27	Remote Control Assy	CXB2655
14	•••••				27-1	Polyethylene Bag	CEG1011
15	Air Cushioned Bag	CEG1080			28	Bracket Assy	CEA2346
16-1	Polyethylene Bag	CEG1116			29	Cord Assy	CDE5656
16-2	Owner's Manual	CRD2658			30	Screw Assy	CZE3198
16-3	Owner's Manual	CRD2659	*		31	Cover	CEG1088
16-4	Installation Manual	CRD2660	*		32	Polyethylene Bag	CEG-127
16-5	Installation Manual	CRD2661	*		33	Polyethylene Bag	CZE3201
			*		34	Base	CNS5031
			*		35	Sheet	CZA3371
			*		36	Polyethylene Bag	CEG-127

- Owner’s Manual

Model	Part No.	Language
DEH-P946/ES	CRD2658	English, Spanish
	CRD2659	Portuguese, Arabic

- Installation Manual

Model	Part No.	Language
DEH-P946/ES	CRD2660	English, Spanish
	CRD2661	Portuguese, Arabic

7

DEX-P1R,DEH-P946,DEX-P1

2.2 EXTERIOR (1)

- DEX-P1R/UC, DEX-P1/ES

		1
		17	148	148	15
				151
				149
				153	25
					25
						25
	156	2		152	6
			144
2	2	2
			150		8
					4	9

			121
129			118	147
			119
		116
	139
				120
141	7

5

141

		90 108
		107					91
	100											106
155
													81
115			28
				82								136
									135			81
78				137										61
114				102							87		66
92	111						87	101
			87 96		137								70
					A			28
			96 87									64
79
									67					63
79
		79	154		154	89						71
														62
			109	80
														32	47
						85							65	35
								6973
				104
									75
											76			37
				103								145
19								105				74	72
													68
	87	110	84						86			105	35
													39
			83
		99											138	41
			97				86						55
						98								44
												A
							83
												95
				93									30
						99
												84
94	88	112
						113								29
										126
						87
			88											26
			94
													117
									127
			24				122		16				28

			12
			10
		22	22
	50	58
		18	18
		48
		146
	59	56
		34
	60
		57
	54
37
43	33		53
46
	41
		52	130
		31
		40
		45
		51	133
			131
		23	132
			3
			23
		27
		20
		21	140
			143
	28	77

27

27

8

DEX-P1R,DEH-P946,DEX-P1

- EXTERIOR (1) SECTION PARTS LIST

(1) PARTS LIST

Mark No. Description		Part No.	Mark No. Description				Part No.
1	Screw	BMZ30P040FMC			46	Connector(CN681)	CKS3583
2	Screw	BSZ26P050FMC			47	Connector(CN222)	CKS3781
3	Screw	BSZ30P055FMC			48	Holder	CNC8011
4	Cord Assy	CDE5785			49	•••••
5	Cord	CDE5536			50	Case	CNC8014
6	Cord Assy	See Contrast table(2)			51	Holder	CNC8013
7	Connector	CDE5543			52	Holder	CNC8021
8	Cord Assy	CDE5545			53	Insulator	CNM4684
9	Cord Assy	CDE5655			54	Insulator	CNM5626
10	Fuse	CEK1001			55	Holder	CNV1906
11	•••••				56	FM/AM Tuner Unit	See Contrast table(2)
12	Cap	CNS1472			57	Holder	See Contrast table(2)
13	•••••				58	DSP Unit	CWX2213
14	Resistor	RS1/2PMF102J			59	Connector(CN3001)	CKS3782
15	Antenna Cable	CDH1115			60	Case	CNC8015
16	Spring	CBH-865			61	High Out Unit	CWX2215
17	Case	CNB2279			62	Cord Assy	CDE5555
18	Earth Terminal	CNC7358			63	Plug(CN4153)	CKS1045
19	Holder	CNC6798	*		64	Plug(CN4152)	CKS1613
20	Holder	CNC7566			65	Plug(CN4051)	CKS1614
21	Holder	CNC7753			66	Holder	CNC8009
22	Spacer	CNM4913			67	Holder	CNC7556
23	Cushion	CNM6062			68	Shield	CNC8010
24	Panel	CNS4553			69	Insulator	CNM4760
25	Cap	CNV2680			70	Insulator	CNM5650
26	Screw	BMZ30P040FMC			71	Insulator	CNM5651
27	Screw	BSZ30P055FMC			72	Shield	CNC6224
28	Screw	CBA1447			73	Shield	CNC6274
29	Insulator	CNM5627			74	Insulator	CNM4610
30	Tuner Amp Unit	See Contrast table(2)			75	Insulator	CNM4814
31	Screw	BSZ30P055FMC			76	D/D Converter Unit	CWM4538
32	Clamper	CEF1008			77	Chassis Unit	CXB2295
33	Clamper	CEF1009			78	Screw	BMZ20P030FMC
34	Plug(CN901)	CKM1278			79	Screw	BMZ20P030FZK
35	Plug(CN221,851)	CKS-783			80	Screw	BPZ20P060FMC
36	•••••				81	Screw	CBA1060
37	Plug(CN141,852)	CKS-784			82	Screw	CBA1061
38	•••••				83	Screw	CBA1082
39	Plug(CN131)	CKS-786			84	Screw	CBA1430
40	Plug(CN101)	CKS1044			85	Screw	CBA1415
41	Plug(CN451,804)	CKS1222			86	Washer	CBF1038
42	•••••				87	Washer	CBF1039
43	Plug(CN803)	CKS1225			88	Spring	CBH2063
44	Connector(CN801)	CKS1564			89	Spring	CBH2086
45	Connector(CN671)	CKS2779			90	Cord	CDE5587

9

DEX-P1R,DEH-P946,DEX-P1

Mark No. Description		Part No.	Mark No. Description			Part No.
91	Cord	CDE5596		126	Remote Control Assy	See Contrast table(2)
92	Cord	CDE5597	127		Battery Cover	CNS5032
93	Socket	CKS2497	128		•••••
94	Roller	CLA3458	129		CD Mechanism Module(H1)	CXK5101
95	Frame	CNC7548	130		IC(IC941)	PA2024A
96	Spacer	CNM5808	131		IC(IC871)	NJM78M05FA
97	PCB	CNP5065	132		Transistor(Q992)	2SD2396
98	Cover	CNS4841	133		Holder	CNC8012
99	Holder	CNV2141	134		•••••
100	Gear	CNV5271	135		Switch(S951)	CSN1012
101	Torque Limiter Unit	CNV5272	136		Switch(S952)	CSN1022
102	Gear	CNV5273	137		Spacer	CNM5988
103	Rack	CNV5274	138		Lamp(IL801)	CEL1359
104	Lighting Conductor	CNV5276	139		Spacer	CNM6053
105	Guide	CNV5356	140		Screw	BSZ26P080FMC
106	Gathering PCB	CNX2961	* 141		Lock Tie	CNV-754
107	Mini Jack(CN4602)	CKN1015	142		•••••
108	Plug(CN4601)	CKS-786	143		Guide Unit	CXB3234
109	Panel Unit	CXB2212	144		Inverter Assy	MWM9028
110	Arm Unit	CXB2215	145		Terminal
					(CN4001,4002,4003,4004) CKF1023
111	Frame Unit	CXB2216
112	Holder Unit	CXB2217	146		Spacer	CNM5996
113	Arm Unit	CXB2218	147		Screw	BSZ30P055FMC
114	Bracket Unit	CXB2598	148		Screw	BSZ26P050FMC
115	Motor	CXM1085	149		Clip	MBK9001
			150		Cord	MDE9018
116	ASL Unit	CWX2216
117	Handle	CNC5395	151		Holder	MNC9008
118	Cord	CDE5763	152		Holder	MNC9009
119	Plug(CN4501)	CKS-784	153		Inverter Unit	MWM9026
120	Case	CNB2299	154		Spacer	CNM6069
			155		Spacer	CNM6093
121	Case	CNB2300
122	Bush	CNV1917	156		Cushion	CNM6065

123•••••

124•••••

125•••••

(2)CONTRAST TABLE

DEX-P1R/UC and DEX-P1/ES are constructed same except for the following:

Mark No. Description			Part No.
		DEX-P1R/UC		DEX-P1/ES
6	Cord Assy	CDE5538		CDE5539
30	Tuner Amp Unit	CWM5693		CWM5699
56	FM/AM Tuner Unit	CWE1472		CWE1485
57	Holder	CNC6554		CNC6555
126	Remote Control Assy	CXB2758		CXB2764

10

DEX-P1R,DEH-P946,DEX-P1

- DEH-P946/ES

	2
			134		134		13
		15			137
					135
					139		24
							24
	142				138	5	24
			131
		1
	1
1		1				7
				136
							3
				108			8
				105	133
	115			106
			103
		127			107
							11

4 6

87

141

102

65

101

79 100

66

66

66

17

74 97

81 75 98

	12
77 95	11

94

78

93

	27	69						68
							121
		122				120	68
			89			88	74
	74 83		122		74			57
			A
	83	74				27
						30
		140	140	76			14
96		67
							49
			72
		91				29
								37
		90				92		35
	71
						73	92	39
86	70
								104
	84
					73			58
			85
							A
				70
							82
		80
				86
						71
				99		112
			74
	75						124	125
	81
						113	123
							129
	23							27

21

				10
		61	20	20
			16	16
		50
	52
			132
	62	34	59
	63		60
	56
37	43	33		55
48	46	41
32
35		54		116	26
			31
		40
			47		26
41			45	51
				53
44
				117
28				118
		25	22
25		126		2
		26		22
			18
				19
				128
				130
		64
		27

11

DEX-P1R,DEH-P946,DEX-P1

- EXTERIOR (1) SECTION PARTS LIST

Mark No. Description		Part No.	Mark No. Description			Part No.
1	Screw	BSZ26P050FMC	46		Connector(CN681)	CKS3583
2	Screw	BSZ30P055FMC	47		Connector(CN231)	CKS3592
3	Cord Assy	CDE5785	48		Connector(CN222)	CKS3781
4	Cord	CDE5536	49		Holder	CNC7554
5	Cord Assy	CDE5539	50		Holder	CNC8011
6	Connector	CDE5543	51		Holder	CNC8012
7	Cord Assy	CDE5625	52		Case	CNC8014
8	Cord Assy	CDE5656	53		Holder	CNC8013
9	•••••		54		Holder	CNC8021
10	Fuse	CEK1136	55		Insulator	CNM4684
11	Cap	CNS1472	56		Insulator	CNM5626
12	Resistor	RS1/2PMF102J	57		Heat Sink	CNR1468
13	Antenna Cable	CDH1115	58		Holder	CNV1906
14	IC(IC301)	TDA7386	59		FM/AM Tuner Unit	CWE1485
15	Case	CNB2278	60		Holder	CNC6555
16	Earth Terminal	CNC7358	61		DSP Unit	CWX2213
17	Holder	CNC6798	62		Connector(CN3001)	CKS3782
18	Holder	CNC7566	63		Case	CNC8015
19	Holder	CNC7753	64		Chassis Unit	CXB2304
20	Spacer	CNM4913	65		Screw	BMZ20P030FMC
21	Spacer	CNM6052	66		Screw	BMZ20P030FZK
22	Cushion	CNM5811	67		Screw	BPZ20P060FMC
23	Panel	CNS5191	68		Screw	CBA1060
24	Cap	CNV2680	69		Screw	CBA1061
25	Screw	BMZ30P180FMC	70		Screw	CBA1082
26	Screw	BSZ30P055FMC	71		Screw	CBA1430
27	Screw	CBA1447	72		Screw	CBA1454
28	Insulator	CNM5627	73		Washer	CBF1038
29	Tuner Amp Unit	CWM5697	74		Washer	CBF1039
30	Screw	BMZ26P200FMC	75		Spring	CBH2063
31	Screw	BSZ30P055FMC	76		Spring	CBH2086
32	Clamper	CEF1008	77		Cord	CDE5587
33	Clamper	CEF1009	78		Cord	CDE5596
34	Plug(CN901)	CKM1278	79		Cord	CDE5597
35	Plug(CN221,851)	CKS-783	80		Socket	CKS2497
36	•••••		81		Roller	CLA3458
37	Plug(CN141,852)	CKS-784	82		Frame	CNC7548
38	•••••		83		Spacer	CNM5808
39	Plug(CN131)	CKS-786	84		PCB	CNP5065
40	Plug(CN101)	CKS1044	85		Cover	CNS4841
41	Plug(CN451,804)	CKS1222	86		Holder	CNV2141
42	•••••		87		Gear	CNV5271
43	Plug(CN803)	CKS1225	88		Torque Limiter Unit	CNV5272
44	Connector(CN801)	CKS1564	89		Gear	CNV5273
45	Connector(CN671)	CKS2779	90		Rack	CNV5274

12

DEX-P1R,DEH-P946,DEX-P1

Mark No. Description		Part No.		Mark No. Description		Part No.
91	Lighting Conductor	CNV5276	116		IC(IC941)	PA2024A
92	Guide	CNV5356	117		IC(IC871)	NJM78M05FA
93	Gathering PCB	CNX2961	118		Transistor(Q992)	2SD2396
94	Mini Jack(CN4602)	CKN1015	119		•••••
95	Plug(CN4601)	CKS-786	120		Switch(S951)	CSN1012
96	Panel Unit	CXB2211	121		Switch(S952)	CSN1022
97	Arm Unit	CXB2215	122		Spacer	CNM5988
98	Holder Unit	CXB2217	123		Handle	CNC5395
99	Arm Unit	CXB2218	124		Bush	CNV1917
100	Frame Unit	CXB2216	125		Spring	CBH-865
101	Bracket Unit	CXB2598	126		Holder	CNC8044
102	Motor	CXM1085	127		Spacer	CNM6053
103	ASL Unit	CWX2216	128		Screw	BSZ26P080FMC
104	Lamp(IL801)	CEL1359	* 129		Lock Tie	CNV-754
105	Cord	CDE5763	130		Guide Unit	CXB3234
106	Plug(CN4501)	CKS-784	131		Inverter Assy	MWM9028
107	Case	CNB2299	132		Spacer	CNM5996
108	Case	CNB2300	133		Screw	BSZ30P055FMC
109	•••••		134		Screw	BSZ26P050FMC
110	•••••		135		Clip	MBK9001
111	•••••		136		Cord	MDE9018
112	Remote Control Assy	CXB2655	137		Holder	MNC9008
113	Battery Cover	CNS5032	138		Holder	MNC9009
114	•••••		139		Inverter Assy	MWM9026
115	CD Mechanism Module(H1)	CXK5101	140		Spacer	CNM6069
			141		Spacer	CNM6093
			142		Cushion	CNM6065

13

DEX-P1R,DEH-P946,DEX-P1

2.3 EXTERIOR (2)

- DEX-P1R/UC, DEX-P1/ES		18
		18
		18
		13
10	20	14
		11
	15
22
19		17
12

2

9

4 8

6

5

3

7

16

21

- EXTERIOR (2) SECTION PARTS LIST

(1) PARTS LIST

Mark No.	Description	Part No.		Mark No. Description			Part No.
1	•••••				11	Plug(CN1901)	CKS2496
2	Button(+,−)	CAC5486			12	Holder	CNC7547
3	Button(OPEN/EJECT)	CAC5488			13	Spacer	CNM5622
4	Button(S/A,CLOCK)	CAC5490			14	Spacer	CNM5623
5	Button(TRACK/SEEK)	CAC5494			15	Spacer	CNM5894
6	Button	CAC5499			16	Grille Unit	See Contrast table(2)
7	Button(SOURCE/OFF)	CAC5504			17	Cover Unit	CXB2208
8	Button	See Contrast table(2)			18	Screw	BPZ20P080FZK
9	Spacer	CNM5910	*		19 LCD(LCD1901)		See Contrast table(2)
10	Keyboard Unit	See Contrast table(2)			20	EL(EL1901)	CEL1580
					21	Spacer	CNM6021
			*		22 PCB		CNP5063

(2) CONTRAST TABLE

DEX-P1R/UC and DEX-P1/ES are constructed same except for the following:

Mark No. Description			Part No.
		DEX-P1R/UC		DEX-P1/ES
8	Button	CAC5638		CAC5498
10	Keyboard Unit	CWM5686		CWM5689
16	Grille Unit	CXB2201		CXB2206
* 19	LCD(LCD1901)	CAW1470		CAW1471

14

DEX-P1R,DEH-P946,DEX-P1

- DEH-P946/ES

		18
		18
		18
		13
10	20	14
		11
	15
22
19		17

12

2

9

4 6

7

5

3

8

16

21

- EXTERIOR (2) SECTION PARTS LIST

Mark No.	Description	Part No.		Mark No. Description		Part No.
1	•••••		11		Plug(CN1901)	CKS2496
2	Button(+,−)	CAC5486	12		Holder	CNC7547
3	Button(OPEN/EJECT)	CAC5488	13		Spacer	CNM5622
4	Button(S/A,CLOCK)	CAC5490	14		Spacer	CNM5623
5	Button(TRACK/SEEK)	CAC5494	15		Spacer	CNM5894
6	Button	CAC5498	16		Grille Unit	CXB2204
7	Button	CAC5499	17		Cover Unit	CXB2207
8	Button(SOURCE/OFF)	CAC5504	18		Screw	BPZ20P080FZK
9	Spacer	CNM5910		* 19 LCD(LCD1901)		CAW1471
10	Keyboard Unit	CWM5689	20		EL(EL1901)	CEL1580
			21		Spacer	CNM6021
			22		PCB	CNP5063

15

DEX-P1R,DEH-P946,DEX-P1

2.4 CD MECHANISM MODULE

16

DEX-P1R,DEH-P946,DEX-P1

- CD MECHANISM MODULE SECTION PARTS LIST

Mark No.		Description	Part No.		Mark No.	Description	Part No.
	1	Control Unit	CWX2166	51		Spring	CBH2039
	2	Connector(CN701)	CKS1968	52		Lack	CNV5471
	3	Connector(CN802)	CKS3477	53		Bracket Unit	CXB1674
	4	Connector(CN801)	CKS3481	54		Screw Unit	CXB1676
	5	Connector(CN101)	CKS3486	55		Chassis Unit	CXB3042
	6	Screw	BMZ20P025FMC	56		Washer	CBF1038
	7	Screw	CBA1037	57		Spring	CBH2035
	8	Screw	CBA1296	58		Spring	CBH2036
	9	Screw	CBA1340	59		Lever	CNV5078
	10	Screw	CBA1362	60		Lever Unit	CXB3207
	11	Screw	CBA1440	61		Arm Unit	CXB1680
	12	Spring	CBH2029	62		Washer	CBF1038
	13	Spring	CBH2030	63		Gear	CNV5083
	14	Spring	CBH2031	64		Gear	CNV5084
	15	Spring	CBH2032	65		Bracket Unit	CXB1682
	16	Spring	CBH2033	66		Bracket	CNC7292
	17	Spring	CBH2207	67		•••••
	18	Spring	CBH2040	68		Motor Unit(M2)	CXB1684
	19	Spring	CBH2041	69		Screw	JFZ14P020FNI
	20	Spring	CBH2042	70		Screw	CBA1451
	21	Spring	CBH2052	71		Washer	CBF1037
	22	Shaft	CLA3232	72		Washer	CBF1060
	23	Frame	CNC7285	73		Spring	CBH2170
	24	Frame	CNC7286	74		Roller	CLA3222
	25	Lever	CNC7288	75		Roller	CNV3412
	26	Lever	CNC7289	76		Arm	CNV5075
	27	Cover	CNC7294	77		Gear Unit	CXB1686
	28	Cover	CNC7304	78		Bracket Unit	CXB2627
	29	Sheet	CNM5401	79		•••••
	30	Sheet	CNM5402	80		•••••
	31	Sheet	CNM5814	81		Washer	YE20FUC
	32	PCB	CNP4854	82		Guide Arm Assy	CXB1688
	33	Belt	CNT1082	83		Photo-transistor(P1-3)	CPT-230S-X
	34	Damper	CNV4984	84		Clamp Arm Assy	CXB3137
	35	Gear	CNV5080	85		•••••
	36	Gear	CNV5081	* 86		Sheet	CNM5398
	37	Gear	CNV5082	87		•••••
	38	Holder	CNV5098	88		Motor(M3)	CXM1129
	39	Guide	CNV5352	89		Washer	YE25FUC
	40	Mechanism FPC Unit	CWX2191	90		Pickup Unit(Service)(P8)	CXX1290
	41	Connector	CKS3767	91		Screw	IMS20P035FMC
*	42	PCB	CNP4852	92		Spring	CBH2206
*	43	Arm	CNC7287	93		Bracket	CNC7977
	44	•••••		94		Sheet	CNM6039
	45	•••••		95		Sheet	CNM6055
	46	•••••		96		CRG Motor Assy(M1)	CXB1670
	47	Bracket	CNC7300	97		Connector(CN702)	CKS2191
	48	Motor Unit	CXB1671
	49	Screw	JFZ14P020FNI
	50	Washer	CBF1037

17

	1		2		3		4

DEX-P1R,DEH-P946,DEX-P1

3. SCHEMATIC DIAGRAM

3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

A

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

LIST”.

- DEX-P1R/UC		A-a
	Large size	D I J
	SCH diagram	M.CD:+2.2dBs
A-a A-b

L

A-a	A-b	Guide page
B			CN4601
A-a	A-b	Detailed page	M

FM100%:-20dBs

AM30%:+26.0dBs

B

C

M.CD:+2.2dBs

4.1V

FM100%:-20dBs

AM30%:-26.0dBs

4R7

D

C

K FLAP SENSE PCB

18 A K

	1		2		3		4

	5		6		7		8

DEX-P1R,DEH-P946,DEX-P1

A

A-b

A

E G H

M.CD:+13.8dBs

FM100%:+7.85dBs

AM30%:+1.85dBs

B

F CN3001

RESET

D CN702

C

4A

FU801

ICP-N10

D

A 19

	5		6		7		8

A

B

C

D

1		2		3		4

DEX-P1R,DEH-P946,DEX-P1

A-b
-a	4.1V
A	L
	M.CD:+2.2dBs

AM30%:-26.0dBs

FM100%:-20dBs

M.CD:+2.2dBs

D I J

FM100%:-20dBs

AM30%:+26.0dBs

MCN4601

20 A-a

B

	1		2		3		4

	5		6		7		8

DEX-P1R,DEH-P946,DEX-P1

A-a A-b

K FLAP SENSE PCB

C

A

B

4R7

C

D

B

A-a K 21

	5		6		7		8

	1		2

DEX-P1R,DEH-P946,DEX-P1

	A-b
A	A-a

	M.CD:+13.8dBs	FM100%:+7.85dBs	AM30%:+1.85dBs

		H
		G
B		E

C

D		A

b-A

22

	1		2

3		4

F CN3001

RESET	CN702
	D

3		4

	5		6		7		8

DEX-P1R,DEH-P946,DEX-P1

4A

A-a A-b

A

B

C

ICP-N10

FU801

D

b-A

23

	5		6		7		8

	1		2		3

DEX-P1R,DEH-P946,DEX-P1

3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)

- DEH-P946/ES,DEX-P1/ES

A

A-a

			Large size
			SCH diagram
A-a		A-b

D I J

		A-a	A-b	Guide page
	B	A-a	A-b	Detailed page
				M CN4601

FM100%:-20.0dBs

AM30%:-26.0dBs

B

C

D

24 A K

	1		2		3

4

M.CD:+2.2dBs

L

M.CD:+2.2dBs	4.1V
FM100%:-20.0dBs
AM30%:-26.0dBs

C

K FLAP SENSE PCB

4

	5		6		7		8

DEX-P1R,DEH-P946,DEX-P1

A

A-b

A

DEH-P946/ES ONLY

E G H

M.CD:+37.1dBs

FM100%:+31.15dBs

AM30%:25.15dBs

DEH-P946/ES:22K

DEX-P1/ES:11K

DEX-P1/ES ONLY

B

F CN3001

(DEH-P946/ES)	(DEX-P1/ES)
234:4R7/35	4R7/25
C231-

RESET

DEH-P946/ES ONLY

D CN702

C

DEX-P1/ES ONLY	10A(DEH-P946/ES)
	4A(DEX-P1/ES)

C943:47/10 (DEH-P946/ES) 47/25 (DEX-P1/ES)

DEX-P1/ES ONLY

DEH-P946/ES ONLY

FU801

ICP-N10

D

A 25

	5		6		7		8

	1	2			3	4
	DEX-P1R,DEH-P946,DEX-P1
	A-b
A	A-a		4.1V
		L
		M.CD:+2.2dBs
			M.CD:+2.2dBs	FM100%:-20.0dBs	AM30%:-26.0dBs
B
		J
		I
		D
C

D

FM100%:-20.0dBs

AM30%:-26.0dBs

MCN4601

26 A-a

B

	1		2		3		4

5

6

B
5	6

	7		8

DEX-P1R,DEH-P946,DEX-P1

CA-a A-b

K FLAP SENSE PCB

A-a K 27

	7		8

A

B

C

D

	1		2		3		4

DEX-P1R,DEH-P946,DEX-P1

A

B

C

D

A-a A-b

DEH-P946/ES ONLY

M.CD:+37.1dBs

FM100%:+31.15dBs

AM30%:25.15dBs

DEH-P946/ES:22K

DEX-P1/ES:11K

4R7/25(DEX-P1/ES) C231-234:4R7/35(DEH-P946/ES)

DEH-P946/ES ONLY

	DEX-P1/ES ONLY
	CN3001
H	F
G
E

RESET	CN702
	D

A

b-A

28

1		2		3		4

5	6
10A(DEH-P946/ES)	4A(DEX-P1/ES)

DEX-P1/ES ONLY

(DEH-P946/ES)	(DEX-P1/ES)
C943:47/10	47/25

DEX-P1/ES ONLY	ONLY
	DEH-P946/ES

	5		6

7		8

DEX-P1R,DEH-P946,DEX-P1

b-A a-A A

B

C

ICP-N10

FU801

D

b-A

29

7		8

	1		2		3		4

DEX-P1R,DEH-P946,DEX-P1

3.3 CD MECHANISM MODULE(GUIDE PAGE)

A

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

DE

A-a	A-b	Guide page

Detailed page

A-a A-b

B

NI

C

JO

D

30 D I J

	1		2		3		4