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Service DEH-P740MP/XN/UC
Manual ORDER NO.
CRT2783
MULTI-CD CONTROL HIGH POWER CD/MP3 PLAYER WITH FM/AM TUNER
DEH-P740MP XN/UC
DEH-P7400MP XN/UC
DEH-P7450MP XN/ES
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-3007 CRT2820 S9MP3 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
CONTENTS
1. SAFETY INFORMATION ............................................3 7. GENERAL INFORMATION .......................................71
2. EXPLODED VIEWS AND PARTS LIST .......................4 7.1 DIAGNOSIS ........................................................71
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...16 7.1.1 DISASSEMBLY .........................................71
4. PCB CONNECTION DIAGRAM ................................42 7.1.2 CONNECTOR FUNCTION DESCRIPTION .......75
5. ELECTRICAL PARTS LIST ........................................50 7.2 IC ........................................................................77
6. ADJUSTMENT..........................................................62 7.3 OPERATIONAL FLOW CHART ...........................89
7.4 CLEANING ..........................................................90
8. OPERATIONS AND SPECIFICATIONS.....................91
For details, refer to "Important symbols for good services".
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
C PIONEER CORPORATION 2001 K-ZZD. DEC. 2001 Printed in Japan
DEH-P740MP,P7400MP,P7450MP
[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
1. Product safety
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. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
- CD Player Service Precautions
1. For pickup unit(CXX1550) handling, please refer 2. During disassembly, be sure to turn the power off
to"Disassembly"(see page 71) since an internal IC might be destroyed when a con-
During replacement, handling precautions shall be nector is plugged or unplugged.
taken to prevent an electrostatic discharge(protection 3. Please checking the grating after changing the ser-
by a jumper-solder). vice pickup unit(see page 65).
2
DEH-P740MP,P7400MP,P7450MP
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
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.
Health & Safety Code Section 25249.6 - Proposition 65
3
DEH-P740MP,P7400MP,P7450MP
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING (DEH-P740MP/XN/UC, DEH-P7400MP/XN/UC)
6 9
10
7 5 3
8
13 12 4
14
17
11
2
16
20 1
19
15
22
21
18
4
DEH-P740MP,P7400MP,P7450MP
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.
- 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.)
(1) PACKING SECTION PARTS LIST (DEH-P740MP/XN/UC, DEH-P7400MP/XN/UC)
Mark No. Description Part No. Mark No. Description Part No.
1 Cord Assy CDE6438 * 16 Battery CEX1065
2 Remote Control Unit CXB8743 17 Carton See Contrast table(2)
3 Accessory Assy CEA2773 18 Contain Box See Contrast table(2)
4 Spring CBH1650 19 Protector CHP2251
5 Screw Assy CEA2796 20 Protector CHP2252
6 Screw BPZ20P060FZK 21-1 Owner's Manual See Contrast table(2)
7 Screw CBA1002 21-2 Installation Manual See Contrast table(2)
* 8 Polyethylene Bag CEG-127 * 21-3 Caution Card CRP1207
9 Screw CRZ50P090FMC * 21-4 Warranty Card See Contrast table(2)
10 Screw TRZ50P080FMC * 21-5 Card See Contrast table(2)
* 11 Polyethylene Bag CEG-158 21-6 Polyethylene Bag CEG1116
12 Handle CNC5395 22 Case Assy CXB3520
13 Earth Plate CNC9450
14 Bush CNV3930
15 Polyethylene Bag CEG1173
(2) CONTRAST TABLE
DEH-P740MP/XN/UC and DEH-P7400MP/XN/UC are constructed the same except for the following:
Part No.
Mark No. Symbol and Description DEH-P740MP/XN/UC DEH-P7400MP/XN/UC
17 Carton CHG4612 CHG4611
18 Contain Box CHL4612 CHL4611
21-1 Owner's Manual CRD3509 CRD3510
21-2 Installation Manual CRD3526 CRD3527
* 21-4 Warranty Card CRY1070 Not used
* 21-5 Card Not used ARY1048
- Owner's Manual, Installation Manual
Model Part No. Language
DEH-P740MP/XN/UC CRD3509 English, French
CRD3526 English, French
DEH-P7400MP/XN/UC CRD3510 English, French
CRD3527 English, French
5
DEH-P740MP,P7400MP,P7450MP
2.2 PACKING (DEH-P7450MP/XN/ES)
17 13
12
16 1
3
15
11
18
6
7
4
5
9 14
2
10
8
6
DEH-P740MP,P7400MP,P7450MP
- PACKING SECTION PARTS LIST (DEH-P7450MP/XN/ES)
Mark No. Description Part No. Mark No. Description Part No.
1 Cord Assy CDE6438 16 Protector CHP2252
2 Spring CBH1650 17-1 Owner's Manual CRD3511
3 Remote Control Unit CXB8743 17-2 Owner's Manual CRD3512
4 Screw CBA1002 17-3 Installation Manual CRD3528
* 5 Polyethylene Bag CEG-127 * 17-4 Caution Card CRP1207
6 Screw CRZ50P090FMC 17-5 Polyethylene Bag CEG1116
7 Screw TRZ50P080FMC 18 Case Assy CXB3520
* 8 Polyethylene Bag CEG-158
9 Handle CNC5395
10 Bush CNV3930
11 Polyethylene Bag CEG-162
* 12 Battery CEX1065
13 Carton CHG4610
14 Contain Box CHL4610
15 Protector CHP2251
- Owner's Manual, Installation Manual
Part No. Language
CRD3511 English, Spanish
CRD3512 Portuguese(B), Arabic
CRD3528 English, Spanish, Portuguese(B), Arabic
7
DEH-P740MP,P7400MP,P7450MP
2.3 EXTERIOR (DEH-P740MP/XN/UC)
8
DEH-P740MP,P7400MP,P7450MP
- EXTERIOR SECTION PARTS LIST (DEH-P740MP/XN/UC)
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BMZ30P040FZK 51 Arm CNV6508
2 Screw BMZ30P100FMC 52 Panel Unit CWM7986
3 Screw BSZ26P060FMC 53 Socket(CN1850) CKS3550
4 Screw BSZ30P040FMC 54 Connector(CN1851) CKS4462
5 Cord Assy CDE6438 55 Damper Unit CXB5070
6 Remote Control Unit CXB8743 56 Holder Unit CXB6356
7 Cover CNS7068 57 Holder Unit CXB6357
8 Cable CDE6718 58 Clutch Unit CXB6358
9 Cord Assy CDE6747 59 Screw IMS20P045FZK
10 Fuse(10A) CEK1136 60 Detach Grille Assy CXB7913
11 Case CNB2686 61 Screw BPZ20P080FMC
12 Holder CNC5704 62 Screw BPZ20P100FZK
13 Holder CNC8659 63 Button(SELECT) CAC7220
14 Cushion CNM4870 64 Button(SFEQ) CAC7221
15 Insulator CNM7214 65 Button(ENT) CAC7253
16 Insulator CNM7629 66 Button(AUDIO) CAC7254
17 Insulator CNM7682 67 Button(1-6) CAC7225
18 Tuner Amp Unit CWM7983 68 Button(DISP) CAC7226
19 Screw ASZ26P060FMC 69 Button(OPEN) CAC7227
20 Screw BPZ26P120FMC 70 Button(EQ) CAC7231
21 Screw BSZ26P160FMC 71 Button(FUNC) CAC7489
22 Clamper CEF1007 72 Spring CBH2630
23 Pin Jack(CN351) CKB1035 73 Spring CBH2431
24 Plug(CN901) CKM1330 74 Spring CBH2430
25 Panel CNS6935 75 Spring CBL1470
26 Connector(CN101) CKS3408 76 Cover CNS6740
27 Plug(CN801) CKS3537 77 Holder CNV6505
28 Connector(CN352) CKS3602 78 Holder CNV6506
29 Connector(CN653) CKS3833 79 Holder CNV6909
30 Antenna Jack(CN401) CKX1056 80 Keyboard Unit CWM7989
31 Holder CNC5399 81 Connector(CN1901) CKS4524
32 Holder CNC8615 82 Holder CNC9642
33 Holder CNC9469 83 Cushion CNM6633
34 Insulator CNM6949 84 Cushion CNM7469
35 Heat Sink CNR1583 85 Spacer CNM7697
36 FM/AM Tuner Unit CWE1563 86 Spacer CNM7698
37 Holder CNC8815 87 Holder CNV6910
38 Button(EJECT) CAC6839 88 IC(IC1903) TSOP1840SB3V
39 Screw(M2x2) CBA1176 89 OEL Unit MXS8017
40 Washer CBF1038 90 Sub Grille Assy CXB8942
41 Washer CBF1039 91 IC(IC301) PAL007A
42 Spring CBH2428 92 Chassis Unit CXB6100
43 Spring CBH2429 93 CD Mechanism Module(S9MP3) CXK5555
44 Spring CBL1512 94 Screw ISS26P055FUC
45 Holder CNC9096 95 Transistor(Q921,999) 2SD2396
46 Cover CNM6854 * 96 Knob CAA2697
47 Panel CNS6278 97 Spacer CNM7807
48 Pin CNV6486 98 Cushion CNM7808
49 Lighting Conductor CNV6487
50 Gear CNV6507
9
DEH-P740MP,P7400MP,P7450MP
2.4 EXTERIOR (DEH-P7400MP/XN/UC, DEH-P7450MP/XN/ES)
10
DEH-P740MP,P7400MP,P7450MP
(1) EXTERIOR SECTION PARTS LIST (DEH-P7400MP/XN/UC, DEH-P7450MP/XN/ES)
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BMZ30P040FZK 51 Arm CNV6508
2 Screw BMZ30P100FMC 52 Panel Unit CWM7986
3 Screw BSZ26P060FMC 53 Socket(CN1850) CKS3550
4 Screw BSZ30P040FMC 54 Connector(CN1851) CKS4462
5 Cord Assy CDE6438 55 Damper Unit CXB5070
6 Remote Control Unit CXB8743 56 Holder Unit CXB6356
7 Cover CNS7068 57 Holder Unit CXB6357
8 Cable CDE6718 58 Clutch Unit CXB6358
9 Cord Assy CDE6454 59 Screw IMS20P045FZK
10 Fuse(10A) CEK1136 60 Detach Grille Assy See Contrast table(2)
11 Case CNB2686 61 Screw BPZ20P080FMC
12 Holder CNC5704 62 Screw BPZ20P100FZK
13 Holder CNC8659 63 Button(SELECT) CAC7220
14 Cushion CNM4870 64 Button(SFEQ) CAC7221
15 Insulator CNM7214 65 Button(ENT) See Contrast table(2)
16 Insulator CNM7629 66 Button(AUDIO) See Contrast table(2)
17 Insulator CNM7682 67 Button(1-6) CAC7225
18 Tuner Amp Unit See Contrast table(2) 68 Button(DISP) CAC7226
19 Screw ASZ26P060FMC 69 Button(OPEN) CAC7227
20 Screw BPZ26P120FMC 70 Button(EQ) CAC7231
21 Screw BSZ26P160FMC 71 Button(FUNC) CAC7489
22 Clamper CEF1007 72 Spring CBH2630
23 Pin Jack(CN351) CKB1035 73 Spring CBH2431
24 Plug(CN901) CKM1330 74 Spring CBH2430
25 Panel See Contrast table(2) 75 Spring CBL1470
26 Connector(CN101) CKS3408 76 Cover CNS6740
27 Plug(CN801) CKS3537 77 Holder CNV6505
28 Connector(CN352) CKS3598 78 Holder CNV6506
29 Connector(CN653) CKS3833 79 Holder CNV6909
30 Antenna Jack(CN401) CKX1056 80 Keyboard Unit CWM8237
31 Holder CNC5399 81 Connector(CN1901) CKS4524
32 Holder CNC8615 82 Holder CNC9642
33 Holder CNC9470 83 Cushion CNM6633
34 Insulator CNM6949 84 Cushion CNM7469
35 Heat Sink CNR1583 85 Spacer CNM7697
36 FM/AM Tuner Unit CWE1563 86 Spacer CNM7698
37 Holder CNC8815 87 Holder CNV6910
38 Button(EJECT) CAC6839 88 IC(IC1903) TSOP1840SB3V
39 Screw(M2x2) CBA1176 89 OEL Unit MXS8017
40 Washer CBF1038 90 Sub Grille Assy See Contrast table(2)
41 Washer CBF1039 91 IC(IC301) PAL007A
42 Spring CBH2428 92 Chassis Unit CXB6100
43 Spring CBH2429 93 CD Mechanism Module(S9MP3) CXK5555
44 Spring CBL1512 94 Screw ISS26P055FUC
45 Holder CNC9096 95 Transistor(Q921,999) 2SD2396
46 Cover CNM6854 * 96 Knob CAA2697
47 Panel CNS6278 97 Spacer CNM7807
48 Pin CNV6486 98 Cushion CNM7808
49 Lighting Conductor CNV6487
50 Gear CNV6507
11
DEH-P740MP,P7400MP,P7450MP
(2) CONTRAST TABLE
DEH-P7400MP/XN/UC and DEH-P7450MP/XN/ES are constructed the same except for the following:
Part No.
Mark No. Symbol and Description DEH-P7400MP/XN/UC DEH-P7450MP/XN/ES
18 Tuner Amp Unit CWM8315 CWM8148
25 Panel CNS6934 CNS6935
60 Detach Grille Assy CXB8493 CXB8426
65 Button(ENT) CAC7303 CAC7253
66 Button(AUDIO) CAC7224 CAC7254
90 Sub Grille Assy CXB8943 CXB8944
12
DEH-P740MP,P7400MP,P7450MP
13
DEH-P740MP,P7400MP,P7450MP
2.5 CD MECHANISM MODULE
GEM1040
GEM1035
GEM1035
D
14
DEH-P740MP,P7400MP,P7450MP
- CD MECHANISM MODULE SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 CD Core Unit(S9MP3) CWX2617 46 Gear CNV6320
2 Connector(CN901) CKS4186 47 Arm CNV6322
3 Connector(CN101) CKS3486 48 Arm CNV6323
4 Screw BMZ20P025FMC 49 Arm CNV6324
5 Screw BSZ20P040FMC 50 Arm CNV6888
6 Screw(M2x4) CBA1362 51 Arm CNV6889
7 Screw(M2x3) CBA1527 52 Guide CNV6327
8 Screw CBA1545 53 Arm CNV6924
9 Washer CBF1037 54 Guide CNV6921
10 Washer CBF1038 55 Rack CNV6923
11 Washer CBF1039 56 Clamper CNV6331
12 Washer CBF1060 57 Arm CNV6332
13 Spring CBH2378 58 Guide CNV6333
14 Spring CBH2379 59 Cover CNV6334
15 Spring CBH2514 60 Arm CNV6335
16 Spring CBH2533 61 Guide CNV6336
17 Spring CBH2382 62 Roller CNV6338
18 Spring CBH2383 63 Damper CNV6175
19 Spring CBH2384 64 Damper CNV6662
20 Spring CBH2527 65 Guide CNV6925
21 Spring CBH2386 66 Chassis Unit CXB7980
22 Spring CBH2537 * 67 Arm Unit CXB7983
23 Spring CBH2390 68 Arm Unit CXB7984
24 Spring CBH2391 69 Arm Unit CXB7985
25 Spring CBH2523 70 Motor Unit(M2) CXB5903
26 Spring CBH2426 71 Screw Unit CXB5904
27 Spring CBH2444 72 Gear Unit CXB8076
28 Spring CBL1561 73 Bracket Unit CXB7982
29 Spring CBL1553 74 Motor Unit(M1) CXB6007
30 Shaft CLA3845 75 Arm Unit CXB8504
31 Roller CLA3910 76 Screw(M2x5) EBA1028
32 Frame CNC9654 77 Screw JFZ20P020FMC
33 Lever CNC9664 78 Screw JGZ17P020FZK
34 Lever CNC8949 79 Washer YE15FUC
35 Arm CNC9661 80 Washer YE20FUC
36 Arm CNC9016 81 Pickup Unit(Service)(P9MP3) CXX1550
37 Arm CNC9017 82 Screw IMS26P030FMC
38 Bracket CNC9123 83 Guide CNV6922
39 Frame CNC9656 84 Roller CNV6887
40 Belt CNT1086 85 Spring CBH2509
41 Gear CNV6886 86 Spring CBH2512
42 Gear CNV6316 87 Spring CBH2536
43 Gear CNV6317 88 Collar CNV6906
44 Gear CNV6318
45 Gear CNV6319
15
1 2 3 4
DEH-P740MP,P7400MP,P7450MP
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM(DEH-P740MP/XN/UC)
A TUNER AMP UNIT
A
FM/AM TUNER UNIT
FM/AM 1ST IF 10.7MHz MPXREF 41kHz
CN401 AMRF T51 Q51 CF51 CF52 CF53 AMDET
1 AMANT
ANT 28 ATT L ch
IC 2 FM MPX 6
2
R ch
5
ANT1 ADJ IC1 COMP
21
MIXER, IF AMP, DET. LDET
18
FMANT
27 ATT
RFGND
26 FMRF
CF202
IC 3
RF ADJ AM 2ND IF X901 EEPROM
450kHz 10.25MHz
FMLOCL
VDD
STIND
SDBW
DGND
FMSD
DI/DO
CREQ
VCC
ANT2 ADJ
NL1
NL2
CE2
CE1
WC
NC
NC
NC
CK
SL
LOCH LOCL
23 25 7 17 20 22 10 19 14 24 9 11 12 15 16 8 13 2 3 4 1
VCC
VDD
Q101
SWDACC
BU
B
CN101 Q102
5 IP-BUS DRIVER
1 5 1 TX
IC 101
8 6 HA12187FP 2 RX
D CD CORE UNIT(S9MP3) 7
11
8
IPPW
IC 202
MSM51V4265EP-70TS BUS-
BUS+ T
PICKUP UNIT DRAM BUS+L BUS+L
(SERVICE)(P9MP3) D BUS-L BUS-L
V3R3D
CN101 CN901 CD L
LASER CN653
DIODE LD- 142 35 L-OUT
15 LD IC 201 LOUT 12 14
12 BUZZER
Q101
MD
UPD63760GJ Q602
141 MUTE
5 PD MIC75
RF-AMP,CD DECODER,
AC,BD Q603
HOLOGRAM MP3 DECODER, L
UNIT
F,E
DIGITAL SERVO / DATA PROCESSOR
FO+ FOP 24
FOCUS ACT. 1
TO+ TOP PEE 94
MONITOR TRACKING ACT. 4 LVLINL
38 39 42 43
DIODE TD/FD SD/MD WAIT, 87
LD+ RFOK MUTE
14
12 X201 X202 P-BUS 23
FOP SYSPW
13
TOP 13
IC 702 XOUT
SPINDLE
CD X
MOTOR M DRIVER 15
16 XWINT, XIN
SOP
XWAIT, TC74VHCT08AFT
C 15
18
SOM FOK
LOAD/ CARRIAGE LCOP
MOTOR M 17
LCOM LOEJ
22 31 CDMUTE
33
LOEJ
P-BUS SYSTEM CONTROLLER
9 29 BU
CONT CONT
IC 701
Q999 IC 601(2/2)
IC 301 PE5268A PD5701A 44
VD EJTIN
BA5996FM CD CONTROLLER VD 2 2
78 22
OELPW
SWVDD
DSCSNS 3 3
DSENS
ROM ILMPW
KYDT
DPDT
80
HOME
S901
28
CD3VON
IC 704
HOME 27 PDH043A Q991 36 41 35 40 43
VDCONT
12EJ DISC
CLAMP SENSE 8EJ SENSE
SENSE SENSE 13 13
1
+3.3V REGULATOR
IC 203 1 4,5
V3R3D
4 2
VD 3VDD IC 703 1 1 VDD
BA033SFP
+3.3V REGULATOR S-818A33AUC-BGN
5VDD
IC 80
D 4
Q851
TC7SET
BU
6 IC 851
NJM2360
Q852
16
1 2 3 4
5 6 7 8
DEH-P740MP,P7400MP,P7450MP
A
RESET HIGH OUT
CN351
1 IC 961 2 RL 18
VDD 7 OUT1
S-80735ANDZI IN1 RL
Q351
IC 271
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