PIONEER DEH 2700 Service Manual

ORDER NO.

CRT3363

DEH-2700/XU/UC

HIGH POWER CD PLAYER WITH FM/AM TUNER

DEH-2700/XU/UC

This service manual should be used together with the following manual(s):

Model No.	Order No.					Mech.Module					Remarks
CX-3110	CRT3178					S10.1					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 2004

K-ZZA. NOV. 2004 Printed in Japan

1

2

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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.

BHealth & 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 the power. Unplugging and plugging the connectors C 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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E

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2		DEH-2700/XU/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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		DEH	-2700/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 ............................................................................................................			6
	2.1 PACKING			6
	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.....................................................................................................................			22
	4. PCB CONNECTION DIAGRAM .....................................................................................................................			26
	4.1 TUNER AMP UNIT...................................................................................................................................			26
	4.2 KEYBOARD UNIT....................................................................................................................................			30
B	4.3 CD CORE UNIT(S10) ..............................................................................................................................			32
	5. ELECTRICAL PARTS LIST ............................................................................................................................			34
	6. ADJUSTMENT ...............................................................................................................................................			38
	6.1 CD ADJUSTMENT...................................................................................................................................			38
	6.2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT ....................................................			40
	6.3 ERROR MODE ........................................................................................................................................			42
	6.4 SYSTEM MICROCOMPUTER TEST PROGRAM ...................................................................................			43
	7. GENERAL INFORMATION.............................................................................................................................			44
	7.1 DIAGNOSIS .............................................................................................................................................			44
	7.1.1 DISASSEMBLY .....................................................................................................................................			44
	7.1.2 CONNECTOR FUNCTION DESCRIPTION..........................................................................................			47
C	7.2 PARTS......................................................................................................................................................			48
	7.2.1 IC ..........................................................................................................................................................			48
	7.2.2 DISPLAY ...............................................................................................................................................			52
	7.3 OPERATIONAL FLOW CHART ...............................................................................................................			53
	7.4 CLEANING...............................................................................................................................................			54
	8. OPERATIONS ................................................................................................................................................			55

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4		DEH-2700/XU/UC
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5

6

7

8

1. SPECIFICATIONS

A

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C

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E

F

		DEH	-2700/XU/UC				5
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 indicatesthe 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 lobricants or glue, follow the instructions in this manual. (In the case of no amount instructions,apply as you think it appropriate.)

2.1PACKING

	3
B	6	1	16
4

	5	7
		2
		9
		10
		8

12

C

14

11

17

15

D

13

E

F

6		DEH-2700/XU/UC
1	2		3	4

		5		6		7		8
PACKING SECTION PARTS LIST
Mark No.		Description		Part No.	Mark No.	Description		Part No.
	1	Accessory Assy		CEA4610	12	Carton		YHG5028
	2	Screw Assy		CEA4611	13	Contain Box		YHL5028
	3	Fixing Screw(M2x4)		CBA1488	14	Protector		XHP7004
	4	Screw		CBA1650	15	Protector		XHP7003
*	5	Polyethylene Bag		CEG-127
					16-1	Owner's Manual		YRD5013
	6	Screw		CRZ50P090FTC	16-2	Installation Manual		YRD5017
	7	Screw		TRZ50P080FTC	16-3	Caution Card		CRP1294
*	8	Polyethylene Bag		CEG-158	16-4	Caution Card		CRP1310
	9	Handle		CNC5395	* 16-5	Card		ARY1048
	10	Bush		CNV3930
					17	Cord Assy		XDE7008
	11	Polyethylene Bag		CEG1173
Owner's Manual,Installation Manual
	Part No.			Language
YRD5013			English, French, Spanish
YRD5017			English, French, Spanish

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C

D

E

F

		DEH	-2700/XU/UC				7
5	6				7	8

1

2

3

4

2.2 EXTERIOR

A

13

B

42

43

33 53

C

2

2

D 12

14

E

F

36

35

41

2

5

61

				66
				10
				65
			31	31
		44
	B
	52			31
					31
					45
			46
			50
	47		51
	48
39	49
	37				11
	40
38
	32
34				16
	3	17	67 27	30	28
				24
	68
	17
	68
	23		B	22
		25
					20	21
2

A

60 62

57

64

63

56

65

59

C

55 5865

6

1

9

A

8

19

69

18

70

26

29

	15	7
	A
	B
	4	4

54

4

C

8		DEH-2700/XU/UC
1	2		3	4

	5	6					7		8
EXTERIOR SECTION PARTS LIST
Mark No.	Description	Part No.			Mark No.			Description	Part No.
1	Screw	BMZ40P140FTC		50			Lighting Conductor		YNV5004
2	Screw	BSZ26P060FTC
3	Screw	BSZ30P060FTC		51			Lighting Conductor		YNV5005
4	Screw	BSZ30P200FTC		52			Rubber Contact		YNV5006
5	Cable	CDE7113		53			Grille Unit		YXA5071
				54			Chassis Unit		YXA5080
6	Case	CNB2793		55			Button(DETACH)		CAC4836
7	Holder	CNC8659
8	Earth Plate	CNC8915		56			Spring		CBH1835
9	Cushion	CNM8890		57			Spring		CBH2208
10	Panel	CNS8046		58			Spring		CBH2367
				59			Bracket		CNC6791
11	Holder	CNV7619		60			Holder		CNC8042
12	CD Mechanism Module(S10)	CXK5601
13	Cord Assy	XDE7008		61			Cover		CNM6276
14	Insulator	XNM7106		62			Arm		CNV4692
15	Insulator	YNM5012		63			Arm		CNV4728
				64			Arm		CNV5576
16	Tuner Amp Unit	YWM5049		65			Screw		IMS20P030FZK
17	Screw	ASZ26P060FTC
18	Screw	BPZ26P080FTC		66			Panel		YNS5046
19	Screw	BSZ26P160FTC		67			IC(IC921)		NJM2388F84
> 20	Fuse(10A)	CEK1208		68			Transistor(Q911, 991)		2SD2396
				69			IC(IC302)		TDA7386
21	Pin Jack(CN352)	CKB1057		70			FM/AM Tuner Unit(Z401)		CWE1646
22	Plug(CN901)	CKM1376
23	Connector(CN721)	CKS3835
24	Connector(CN621)	CKS4124
25	Connector(CN831)	CKS4944
26	Antenna Jack(CN401)	CKX1056
27	Holder	CND1328
28	Heat Sink	CNR1668
29	Holder	CND1054
30	Holder	YNC5002
31	Screw	BPZ20P100FZK
32	Spring	CBH2210
33	Knob(VOLUME)	YAA5001
34	Button(DETACH)	YAC5027
35	Button(SOURCE)	YAC5030
36	Button(1-6, LOCAL/BSM)	YAC5031
37	Button(AUDIO, LOUDNESS)	YAC5032
38	Button(BAND)	YAC5033
39	Button(EJECT, PAUSE)	YAC5034
40	Button(DOWN, RIGHT)	YAC5035
41	Button(UP, LEFT)	YAC5036
42	Button(CLOCK, EQ)	YAC5039
43	Spring	YBL5001
44	Cover	YNS5038
45	Connector(CN1801)	CKS4943
46	Sheet	CNM7932
47	Connector	CNV7369
48	LCD(LCD1801)	YAW5021
49	Holder	YNC5005
				DEH	-2700/XU/UC					9
	5	6						7	8

A

B

C

D

E

F

1	2	3	4
2.3 CD MECHANISM MODULE
42	5
A	13		81
	34
5		15	22
	5		E
13			F
		93

					13		92
					A
	44				B	82
		5	C	13	86	83	68
		54	D
1			52
B		53			86		28
		37					4
				4	71	23
				1
55
	5	36				87	38
					50
		4		73
		1
2			18 29		72
		64	51		10		75
	47
C				1
		2		I	76 B		59
24		1					49
		7

61	E

2	M	1		F
63			A	Q
	1			27
2				H
		G
21	L		J

M

57	1	N	O		D
		R		16
					12
79
	58
D			1		3	78
		1			33
			P
2
62		2			20
						80

1	40	1

	1GEM1024		1	39
	2GEM1045
				1	25
	3GEM1035		P		69
		56	19	30	70
E					14
	R			41
				31
91	C			65
			1		85
F	3	2			66

26

G

I H

28

45

J

23

K

77	90
		48
		8
67
		17
	60	46
		6
N		60
		11 89
L	43	10
	K
		74
		85
C		Q
		14

35

O

31

85

10		DEH-2700/XU/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.
1	CD Core Unit(S10)	CWX3110		50			Gear		CNV8379
2	Connector(CN101)	CKS4182
3	Connector(CN701)	CKS4188		51			Gear		CNV8380
4	Screw	BMZ20P035FTC		52			Gear		CNV8381
5	Screw	BSZ20P040FTC		53			Gear		CNV8382
				54			Gear		CNV8383
6	Screw(M2x4)	CBA1362		55			Gear		CNV8384
7	Screw(M2x3)	CBA1824
8	Screw(M2x3)	CBA1825		56			Rack		CNV8385
9	•••••			57			Arm		CNV8386
10	Washer	CBF1038		58			Arm		CNV8387
				59			Guide		CNV8388
11	Washer	CBF1060		60			Roller		CNV8189
12	Spring	CBH2390
13	Spring	CBH2606		61			Gear		CNV8389
14	Spring	CBH2607		62			Arm		CNV8391
15	Spring	CBH2608		63			Arm		CNV8390
				64			Arm		CNV8392
16	Spring	CBH2609		65			Damper		CNV7313
17	Spring	CBH2610
18	Spring	CBH2735		66			Damper		CNV7314
19	Spring	CBH2612		67			Arm		CNV8394
20	Spring	CBH2613		68			Arm		CNV8395
				69			Guide		CNV8396
21	Spring	CBH2614		70			Guide		CNV8397
22	Spring	CBH2615
23	Spring	CBH2616		71			Holder		CNV8398
24	Spring	CBH2617		72			Arm		CNV8402
25	Spring	CBH2620		73			Gear		CNV8400
				74			Damper		CNV7618
26	Spring	CBH2621		75			Motor Unit(M1)		CXC4440
27	Spring	CBH2641
28	Spring	CBH2642		76			Chassis Unit		CXC2318
29	Spring	CBH2643		77			Screw Unit		CXB8729
30	Spring	CBH2659		78			Gear Unit		CXC2397
				79			Arm Unit		CXC2316
31	Spring	CBH2688		80			Arm		CND1896
32	•••••
33	Shaft	CLA4441		81			Arm		CND1894
34	Frame	CND2443		82			Motor Unit(M2)		CXB8933
35	Frame	CNC9963		83			Bracket		CNC9985
				84			•••••
36	Bracket	CND2712		85			Screw(M2x5)		EBA1028
37	Bracket	CND1895
38	Arm	CNC9968		86			Screw		JFZ20P020FTC
39	Arm	CND1909		87			Screw		JGZ17P022FTC
40	Lever	CND2032		88			•••••
				89			Washer		YE20FTC
41	Lever	CNC9984		90			Pickup Unit(P10)(Service)		CXX1647
42	Sheet	CNM8134
43	Collar	CNV8447		91			Screw		IMS26P030FTC
44	Guide	CNV8448		92			Spring		CBL1635
45	Arm	CNV8403		93			Clamper		CNV8372
46	Rack	CNV8374
47	Holder	CNV8376
48	Holder	CNV8377
49	Arm	CNV8378
				DEH	-2700/XU/UC					11
	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

VDD

7

6

13

5

10

9

8

11

14

18

19

20

21

FM/AM TUNER UNIT

WC

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

FMRF

MIXER, IF AMP

23

DET, FM MPX

RF adj

ANT adj

T51

CF52

CF51

RFGND

OSCGND

AUDIOGND

VDD 3.3

IC 4

C

DGND

VCC

3.3V

3.3V ←

2.5V

2.5V

TUN L

2

NC

2

12

15

22

16

4

17

CDL

3

TUN 3.3V

SYS 8V

PICKUP UNIT

CD CD CORE UNIT(S10)

(P10)(SERVICE)

LASER

CN101

CN701

CN721

D

Q101

DIODE

LD+

14

3R3V

1

LD

LOUT

20

LOUT

8

14

CD L

MD

5

2

PD

xtal

23

X201

HOLOGRAM

AC, F, E, BD

24

SYSTEM

UNIT

XTAL

FOCUS ACT.

FOP

1

FOP

SERVO

IC

TOP

TOP

CONTROL,

MONITOR TRACKING ACT.

4

P

DSP,

DIODE

LPF, DAC

12

XSI

XSI

2

IC 721

4

16

FD, TD, SD, MD

SO

16

6

XSI/BSI

12

FOP

TC7SET08FU

13

TOP

42

LIMIT

SPINDLE

M

ACT,MOTOR

IC 201

DRIVER

MOTOR

HOME

16

SOP

UPD63712AGC

15

SOM

LOADING/ CARRIAGE

M

17

LCOM

LOEJ

17 CDLOEJ

29

MOTOR

18

LCOP

LOEJ

22

5

LOEJ/NC

CONT

9

CONT

7

15 CONT

28

CONT/NC

E

IC 301

BA5835FP

DSCSNS

6

16 DSCSNS

79

DSCSENS

VD

Q991

VD

1

20

B.UP

Q992

12EJ

8EJ

DSCSNS

2

21

3

3.3V REGULATOR

4

5

3R3V

3

IC 701

1

5

41

VDCONT/BRSQ

NJM2391DL1-33

VDSENS

78

VDSENS

F

12

DEH-2700/XU/UC

2

3

4

1

5

6

7

8

A

WIRED REMOTE CONTROL

3

2

1

CN621

CN352 REAR OUTPUT

RESET

R Lch

2

IC 961

VDD

Q352

S-80834CNY

60

RESET

KEY2

46

80

STRKEY

TUNPDO

11

TUNPDI

TUNPDI

12

TUNPDO

TUNPCK

13 TUNPCK

VDD REGULATOR

CE1

56

TUNPCE1

Q911

B

CE2

55

TUNPCE2

VDD

Q912

SYSTEM CONTROLLER

IC 601(1/2)

32

PE5462A

DALMON

BACKUP SENSE

B.UP

CN901

BSENS

64

BSENS

1

FUSE

1

BACK UP

10A

Q931

63

ASENS

ACC

ASENS

3

3

ACC

ACC SENSE

2

2

GND

B.UP

POWER AMP

20

ELECTRONIC VOLUME/

TUN L

2

SOURCE SELECTOR

10

14

IN1-L

F Lch

FLIN

FL-

23

10

10

FL-

C

21

IC 151

IC 302

FL+

12

12

FL+

CDL

3

11

12

3

IN2-L PML003AM

R Lch

RLIN

TDA7386

RL-

9

9

RL-

5

RL+

11

11

RL+

22

MUTE

STBY

B. REM

6

6

B. REM

4

VST

8V

VDT,

MUTE

TUN 3V REG.

SYS 8V REG.

VCK,

Q453

TU 3.3V

IC 981

IC 921

B.UP

BA33BC0FP

NJM2388F84

MUTE

Q452

MUTE

48

SYSPW

43

SYSPW

SYSPW

B. REMOTE POWER

D

IC 551

TPD1018F

SYSTEM CONTROLLER

IC 601(2/2)

PE5462A

16

XSI/BSI

X1

70

X601

X2

69

12.58291MHz

B KEYBOARD UNIT

29

LOEJ/NC

CN831

CN1801

28

CONT/NC

Q801

SWVDD 3

VDD

3

SWVDD

SWVDD

21

SWVDD

E

79

DSCSENS

66

SRC

SOURCE

SOURCE

4

4

SOURCE

DSENSE

65

DSENSE

10

DSENS 10

Q821

ILM

B.UP

5

5

41

VDCONT/BRSQ

Q822

KEY MATRIX

78

VDSENS

ILMPW

22

LAMP

IL1801

36

ROT1

S1827

SWVDD

ROT1

6

6

ROT0

35

7

ROT0

7

VOLUME

KEY DATA

XO

21

X1801

DPDT

9

8

DPDT

8

18

DPDT

XI

22

5MHz

F

LCD DRIVER/

KYDT

8

9

KYDT

9

20

KYDT

KEY CONTROLLER

IC 1801

LCD1801

PD6340A

5

6

DEH-2700/XU/UC

7

8

13

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

A-a

		Large size	C CN701
A-a	A-b	SCH diagram
A-a	A-b	Guide page
A-a	A-b	Detailed page

E.VOL.

B

C	CD:+0.35dBs

12.58291MHz

FM:-19.5dBs

AM: -30dBs

source

dsens

bsens

asens

SYSTEM CONTROLLER

D

TUNER UNIT	swvdd
FM/AM

E
			ANTENNA
		NOTE :
		Symbol indicates a resistor.
		No differentiation is made		between chip resistors and
		discrete resistors.
		Symbol indicates a capacitor.				B
		No differentiation is made		between chip capacitors and
		discrete capacitors.				CN1801
		For resistors and capacitors in the circuit diagrams,
		their resistance values or capacitance values are expressed in codes:
		Ex. *Resistors		*Capacitors
		Code	Practical value	Code	Practical value
		123	12k ohms	103	0.01uF
F		103	10k ohms	101/10	100uF/10V
		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.
	14				DEH-2700/XU/UC
		1			2	3	4

		5	6		7			8
					A-b				A
					A TUNER AMP UNIT
							REAR L CH
						>
		FM:	+3.6dBs			CEK1286	REAR R CH
							3A
E.VOL.		AM:	-6.9dBs
		CD:+10.45dBs
									B
				3300/16	FM: +29.6dBs
					AM: +19.1dBs
					CD:+36.45dBs
				TDA7386(45W)					C
dsens	bsens asens
ER
							CEK1208
							10A
					600 H		>		D
									E
		WIRED REMOTE
		CONTROL
									F
									A
				DEH-2700/XU/UC					15
		5	6		7			8

1

2

3

4

A

A-b	1	2
		E.VOL.

58291MHz.12

B

asens bsens dsens source

SYSTEM CONTROLLER

C

C CN701	CD:+0.35dBs
A-b
A-a
D

E

19.5dBs	-30dBs
FM:-	AM:

F

A-a

16		DEH-2700/XU/UC
1	2		3	4

5

6

2700/XU/UC-DEH

7

8
17	a-A

FM:-19.5dBs

AM: -30dBs

FM/AM TUNER UNIT

ANTENNA

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.

For resistors and capacitors in the circuit diagrams,

their resistance values or capacitance values are expressed in codes:

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

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.

F

E

source

dsens

bsens

asens

SYSTEM CONTROLLER

5

swvdd

6

7

B

CN1801

3

8

			-A
	A-a A-b		b
D	C	B	A

1

2

3

4

A

REAR L CH

REAR R CH

B

C

A-a A-b

A TUNER AMP UNIT

>

3A CEK1286

+29.6dBs+19.1dBsCD:+36.45dBs

FM:AM:

3300/16

TDA7386(45W)

D

E

F

CD:+10.45dBs

AM: -6.9dBs

FM: +3.6dBs

A-b	1	.
		2

18		DEH-2700/XU/UC
1	2		3	4