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ORDER NO.
CRT3554
DEH-2800MP/XN/UC
HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER
DEH-2800MP /XN/UC
DEH-2850MP/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 Descriptions, Mech. Descriptions, 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
- 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.
2. Before disassembling the unit, be sure to turn off
C
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.
D
E
F
DEH-2800MP/XN/UC
2
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.
A
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. B
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. C
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. D
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.
E
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.
F
DEH-2800MP/XN/UC
5 6 7 8
3
1 2 3 4
CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
A
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 8
2.1 PACKING(DEH-2800MP/XN/UC)............................................................................................................... 8
2.2 PACKING(DEH-2850MP/XN/ES) ............................................................................................................. 10
2.3 EXTERIOR............................................................................................................................................... 12
2.4 CD MECHANISM MODULE..................................................................................................................... 14
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .......................................................................................... 16
3.1 BLOCK DIAGRAM ................................................................................................................................... 16
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE).............................................................................. 18
3.3 KEYBOARD UNIT.................................................................................................................................... 24
3.4 CD MECHANISM MODULE(GUIDE PAGE) ............................................................................................ 26
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 36
4.1 TUNER AMP UNIT................................................................................................................................... 36
B 4.2 KEYBOARD UNIT.................................................................................................................................... 40
4.3 CD CORE UNIT(S10.5COMP1)............................................................................................................... 42
5. ELECTRICAL PARTS LIST ............................................................................................................................ 44
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
7.1.2 CONNECTOR FUNCTION DESCRIPTION .......................................................................................... 57
C 7.2 PARTS...................................................................................................................................................... 58
7.2.1 IC .......................................................................................................................................................... 58
7.2.2 DISPLAY ............................................................................................................................................... 67
7.3 OPERATIONAL FLOW CHART ............................................................................................................... 68
8. OPERATIONS ................................................................................................................................................ 69
D
E
F
DEH-2800MP/XN/UC
4
1 2 3 4
5 6 7 8
1. SPECIFICATIONS
A
B
C
D
E
F
DEH-2800MP/XN/UC
5 6 7 8
5
1 2 3 4
A
B
C
D
E
F
DEH-2800MP/XN/UC
6
1 2 3 4
5 6 7 8
A
B
C
D
E
F
DEH-2800MP/XN/UC
5 6 7 8
7
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(DEH-2800MP/XN/UC)
3
B 1 16
4
5 2
9
C
14
D
E
F
DEH-2800MP/XN/UC
8
1 2 3 4
5 6 7 8
PACKING(DEH-2800MP/XN/UC) SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Accessory Assy CEA4610 11 Polyethylene Bag CEG1173
2 Screw Assy CEA6002 12 Carton CHG5633
A
3 Fixing Screw(M2 x 4) CBA1994 13 Contain Box CHL5633
4 Screw CBA1650 14 Protector CHP2664
* 5 Polyethylene Bag CEG-127 15 Protector CHP2868
6 Screw CRZ50P090FTC 16-1 Owner's Manual CRD4027
7 Screw TRZ50P080FTC 16-2 Installation Manual CRD4028
* 8 Polyethylene Bag CEG-158 16-3 Caution Card CRP1310
9 Handle CNC5395 * 16-4 Warranty Card CRY1247
10 Bush CNV3930 17 Cord Assy XDE7008
B
Owner's Manual,Installation Manual
Part No. Language
CRD4027 English, French, Spanish
CRD4028 English, French, Spanish
C
D
E
F
DEH-2800MP/XN/UC
5 6 7 8
9
1 2 3 4
2.2 PACKING(DEH-2850MP/XN/ES)
A
4 6 1
7
16
5 2
9
10
8
12
B
18
14
11
C 17 15
13
D
E
F
DEH-2800MP/XN/UC
10
1 2 3 4
5 6 7 8
PACKING(DEH-2850MP/XN/ES) SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Accessory Assy CEA4850 11 Polyethylene Bag CEG-162
2 Screw Assy CEA3849 12 Carton CHG5631
A
3 ····· 13 Contain Box CHL5631
4 Screw CBA1650 14 Protector CHP2664
* 5 Polyethylene Bag CEG-127 15 Protector CHP2868
6 Screw CRZ50P090FTC 16-1 Owner's Manual CRD4029
7 Screw TRZ50P080FTC 16-2 Installation Manual CRD4030
* 8 Polyethylene Bag CEG-158 16-3 Caution Card CRP1310
9 Handle CNC5395 17 Cord Assy XDE7008
10 Bush CNV3930 18 Case Assy CXB3520
B
Owner's Manual,Installation Manual
Part No. Language
CRD4029 English, Spanish, Portuguese(B), Traditional Chinese, Arabic
CRD4030 English, Spanish, Portuguese(B), Traditional Chinese, Arabic
C
D
E
F
DEH-2800MP/XN/UC
5 6 7 8
11
1 2 3 4
2.3 EXTERIOR
A
B
C
D
E
F
DEH-2800MP/XN/UC
12
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 BSZ26P100FTC 31 Cover CNM6276
A
3 Cord Assy XDE7008 32 Panel CNS8404
4 ····· 33 Arm CNV4692
5 Cable CDE7985 34 Arm CNV4728
35 Arm CNV5576
6 Case CNB2793
7 Holder CNC8659 36 Screw IMS20P030FTB
8 Insulator CNM9145 37 Detach Grille Assy See Contrast table(2)
9 Tuner Amp Unit See Contrast table(2) 38 Screw BPZ20P100FTB
10 Screw ASZ26P060FTC 39 Button(DETACH) CAC9382
40 Button(VOLUME(+/ -)) See Contrast table(2)
11 Screw BMZ26P160FTC B
12 Screw BPZ26P080FTC 41 Button(CLOCK,1-6,LOCAL/BSM,AUDIO) CAC9385
> 13 Fuse(10 A) CEK1208 42 Button(,,EJECT) CAC9386
14 Pin Jack(CN352) CKB1059 43 Button(,) CAC9387
15 Plug(CN901) CKM1376 44 Button(EQ,DISPLAY) CAC9388
45 Button(SOURCE,BAND) See Contrast table(2)
16 Connector(CN831) CKS3581
17 Connector(CN651) CKS3834 46 Spring CBH2210
18 ····· 47 Cover CNS8367
19 Antenna Jack(CN401) CKX1056 48 LCD See Contrast table(2)
20 Holder CND2414 49 Connector(CN1801) CKS3580
50 Holder CND2949 C
21 Holder CND2413
22 Heat Sink CNR1762 51 Transistor(Q911,921,991) 2SD2396
23 FM/AM Tuner Unit CWE1952 52 IC(IC302) PAL007B
24 Holder CND1054 53 Lighting Conductor CNV8712
25 Button(DETACH) CAC4836 54 Rubber CNV8713
55 Connector CNV8714
26 Spring CBH1835
27 Spring CBH2208 56 Grille Unit See Contrast table(2)
28 Spring CBH2367 57 Chassis Unit CXC3600
29 Bracket CNC6791 58 CD Mechanism Module(S10.5) CXK5752
59 Panel See Contrast table(2) D
30 Holder CNC8042
(2) CONTRAST TABLE
DEH-2800MP/XN/UC and DEH-2850MP/XN/ES are constructed the same except for the following:
Mark No. Description DEH-2800MP/XN/UC DEH-2850MP/XN/ES
9 Tuner Amp Unit CWN1275 CWN1276
37 Detach Grille Assy CXC5244 CXC5245
40 Button(VOLUME(+/ -)) CAC9751 CAC9383
45 Button(SOURCE, BAND) CAC9752 CAC9384
48 LCD CAW1906 CAW1905
E
56 Grille Unit CXC5277 CXC5279
59 Panel CNS8389 CNS8385
F
DEH-2800MP/XN/UC
5 6 7 8
13
1 2 3 4
2.4 CD MECHANISM MODULE
A
B
C
D
E
F
DEH-2800MP/XN/UC
14
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(S10.5COMP1) CWX3176 50 Rack CNV8342
2 Connector(CN101) CKS4182 A
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 B
12 Spring CBH2614
13 Spring CBH2616 61 Arm CNV8413
14 Spring CBH2617 62 Collar CNV8938
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 C
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
D
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 E
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 F
48 Guide CNV7799
49 Arm CNV7805
DEH-2800MP/XN/UC
5 6 7 8
15
1 2 3 4
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
A
A TUNER AMP UNIT
VDD
TUNPDO
TUNPCK
TUNPDI
7 6 13 5 10 9 8 11 14 18 19 20 21
FM/AM TUNER UNIT
CE2
ROM_VDD
SL
DI
CK
CE1
NC
DO
NC
NC
NC
NC
NC
IC 3 EEPROM IC 5
5.0V 5V 3.3V
OSC LPF
B CN401
ANTENNA 1
AM ANT FMRF
1 ATT
2 Rch
24
IC 2
2.5V
FM ANT IC 1
3 3.3V
ATT Lch
23
FMRF MIXER, IF AMP DET, FM MPX
RF adj
ANT adj
T51 CF52
E
AUDIOGND
IC 4
OSCGND
TUN_Lch 1
VDD_3.3
RFGND
3.3V 3.3V 2.5V 2.5V
DGND
C
VCC
NC
CD_Lch 2
2 12 15 22 16 4 17
TUN 3.3V
VCC(SYS 8V)
PICKUP UNIT
(P10.5)(SERVICE) C CD CORE UNIT(S10.5COMP1)
D
CN101 V3R3D
LASER CN901 CN651
DIODE LD- 142
15 15 LOUT LOUT
D Q101
LD
IC201 LOUT
31 16 5
MD
5 5
143
PD UPD63763CGJ SYSTEM
REFO 133
VREF 8 REFOUT
8 RF-AMP,CD DECODER, 34 IC
AC,BD MP3 , WMA, DECODER, XTAL P
HOLOGRAM
UNIT
F,E
DIGITAL SERVO / DATA PROCESSOR X201
16.93MHz
FOM
3 3
FOM /XTAL 35
FOP FOP LOCK/RFOK
FOCUS ACT. 2 2
MONITOR TOP 56
DIODE TRACKING ACT. 1 1 TOP
TOM TOM TD,FD SD,MD
4 4 XRST,XASTB,ADO,XCK,
LD+ XSO,XSI,WAIT,XINT
14 14
12
FOM
CD VDD
11
FOP
DRIVER Q701
14 VDD
TOP SWVDD 11 10 VDD
13
TOM
63
SPINDLE IC301
MOTOR M BA5835FP LOCK /CD3VON
43
16 14 /RESET RESET 36
SOP CLCONT 21 41 RESET 10 11 NC
15 CLCONT 39 CDMUTE
SOM CDMUTE 8 13
18 22 40
LCOP LOEJ LOEJ
LOAD/ CARRIAGE
MOTOR M 17
LCOM CONT
9 47 IC701 BRST,BRXEN,BSRQ BRST,BRXEN,BSRQ
CONT PE5505A
BDATA,BSCK BDATA,BSCK
CD CONTROLLER Q991 CD VD
VD VD
E 32
X1 12
VD 1 20
Q992
B.UP
12EJ X701 2 19
31 4.00MHz
8EJ
30 X2 13
DSCSNS
42 49 VDCONT VDCONT
HOME VDCONT 9 12
S904 S905 S901
12EJ 8EJ HOME
CD3VON
46
S903
DSCSNS
1
V3R3D
4 IC203
NJM2886DL3-33 3
VD
+3.3V REGULATOR
F
DEH-2800MP/XN/UC
16
1 2 3 4
5 6 7 8
A
RESET
1 IC963 2
VDD
BD4834G
60
RESET
CN352
TUNPDO 11
RLch 2
TUNPDI
MUTE
TUNPDI 12 Q352
TUNPDO
SL 76 SL
TUNPCK 13 TUNPCK
VDD REGULATOR
CE1 56 Q911
TUNPCE1
CE2 55 TUNPCE2 VDD
Q912 B
SYSTEM CONTROLLER
IC601(1/2)
PE5518A 32
DALMON
BACKUP SENSE B.UP CN901
64 BSENS FUSE
BSENS 1 1 BACK UP
10A
Q931
63 ASENS ACC
ASENS 3 3 ACC
ACC SENSE
2 2 GND
B.UP
POWER AMP 6,20
ELECTRONIC VOLUME/
SOURCE SELECTOR VCC
TUN_Lch 1 6 14 23
IN1-L Front_ L