Pioneer DEHP-3550-MP, DEHP-4500-MP, DEHP-450-MP Service manual
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 2003
K-ZZY. JAN. 2003 Printed in Japan
ORDER NO.
CRT3019
MULTI-CD CONTROL HIGH POWER CD/MP3 PLAYER WITH FM/AM TUNER
DEH-P450MPXM/UC
DEH-P450MP/XM/UC
- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-3057 CRT3026 S10MP3 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
DEH-P4500MPXM/UC
For details, refer to "Important symbols for good services".
DEH-P3550MPXM/ES
2
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DEH-P450MP/XM/UC
SAFETY INFORMATION
[ 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:
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.
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.
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.
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.
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.
W
ARNING
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
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6
7
8
DEH-P450MP/XM/UC
- CD Player Service Precautions
1. Before disassembling the unit, be sure to turn off the
power. Unplugging and plugging the connectors during power-on mode may damage the ICs inside the
unit.
2. To protect the pickup unit from electrostatic discharge during serviving, take an appropriate treatment(shorting-solder) by referring to "the DISASSEMBLY" on page 55.
3. After replacing the pickup unit, be sure to check the
grating.(See p.52.)
CONTENTS
SAFETY INFORMATION............................................................................................................................................2
1. SPECIFICATIONS .......................................................................................................................................................4
2. EXPLODED VIEWS AND PARTS LIST.......................................................................................................................6
2.1 PACKING...............................................................................................................................................................6
2.2 EXTERIOR (DEH-P450MP, P4500MP)..................................................................................................................8
2.3 EXTERIOR (DEH-P3550MP)...............................................................................................................................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...............................................................................................................................26
4. PCB CONNECTION DIAGRAM ................................................................................................................................36
4.1 TUNER AMP UNIT .............................................................................................................................................36
4.2 PANEL UNIT.......................................................................................................................................................40
4.3 KEYBOARD UNIT...............................................................................................................................................41
4.4 CD MECHANISM MODULE...............................................................................................................................42
5. ELECTRICAL PARTS LIST........................................................................................................................................44
6. ADJUSTMENT .........................................................................................................................................................49
6.1 JIG CONNECTION DIAGRAM ...........................................................................................................................49
6.2 CD ADJUSTMENT .............................................................................................................................................50
6.3 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT................................................................52
6.4 ERROR MODE ....................................................................................................................................................54
7. GENERAL INFORMATION.......................................................................................................................................55
7.1 DIAGNOSIS ........................................................................................................................................................55
7.1.1 DISASSEMBLY ..............................................................................................................................................55
7.1.2 CONNECTOR FUNCTION DESCRIPTION....................................................................................................57
7.2 PARTS .................................................................................................................................................................59
7.2.1 IC ....................................................................................................................................................................59
7.2.2 DISPLAY.........................................................................................................................................................68
7.3 OPERATIONAL FLOW CHART...........................................................................................................................70
7.4 CLEANING..........................................................................................................................................................71
8. OPERATIONS ...........................................................................................................................................................72
1. SPECIFICATIONS
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DEH-P450MP/XM/UC
- DEH-P450MP/XM/UC, P4500MP/XM/UC
5
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P450MP/XM/UC
- DEH-P3550MP/XM/ES
6
1
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12
34
F
E
D
C
B
A
DEH-P450MP/XM/UC
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
7
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P450MP/XM/UC
- PACKING SECTION PARTS LIST
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.)
- Owner's Manual, Installation Manual
Model Part No. Language
DEH-P450MP/XM/UC CRD3676 English, French, Spanish
CRD3677
DEH-P4500MP/XM/UC CRD3678 English, French, Spanish
CRD3679
DEH-P3550MP/XM/ES CRD3680 English, Spanish, Portuguese(B)
CRD3681 Arabic, Chinese
CRD3682 English, Spanish, Portuguese(B), Arabic, Chinese
Part No.
Mark No. Symbol and Description DEH-P450MP/XM/UC DEH-P4500MP/XM/UC DEH-P3550MP/XM/ES
1 Cord Assy CDE7060 CDE7060 CDE7060
2 Accessory Assy CEA3376 CEA3376 CEA3439
3 Spring CBH1650 CBH1650 CBH1650
4 Screw Assy CEA3445 CEA3445 CEA3437
5 Fixing Screw BPZ20P060FZK BPZ20P060FZK Not used
6 Screw CBA1002 CBA1002 CBA1002
* 7 Polyethylene Bag CEG-127 CEG-127 CEG-127
8 Screw CRZ50P090FTC CRZ50P090FTC CRZ50P090FTC
9 Screw TRZ50P080FTC TRZ50P080FTC TRZ50P080FTC
* 10 Polyethylene Bag CEG-158 CEG-158 CEG-158
11 Handle CNC5395 CNC5395 CNC5395
12 Holder CND1249 CND1249 Not used
13 Holder CND1250 CND1250 Not used
14 Bush CNV3930 CNV3930 CNV3930
15 Polyethylene Bag CEG1173 CEG1173 CEG-162
* 16 Battery CEX1030 CEX1065 Not used
17 Carton CHG4952 CHG4953 CHG4954
18 Contain Box CHL4952 CHL4953 CHL4954
19 Protector CHP2663 CHP2663 CHP2663
20 Protector CHP2664 CHP2664 CHP2664
21-1 Owner’s Manual CRD3676 CRD3678 CRD3680
21-2 Owner’s Manual Not used Not used CRD3681
21-3 Installation Manual CRD3677 CRD3679 CRD3682
* 21-4 Warranty Card CRY1070 Not used Not used
* 21-5 Card Not used ARY1048 Not used
* 21-6 Caution Card Not used CRP1294 Not used
22 Case Assy CXB3520 CXB3520 CXB3520
23 Remote Control Unit Not used CXC1265 Not used
24 Remote Control Assy CXB9202 Not used Not used
25 Screw Assy CZE3169 Not used Not used
* 26 Polyethylene Bag CEG-127 Not used Not used
* 27 Hexagonal Wrench CZE3176 Not used Not used
* 28 Screw RMZ30H060FBK Not used Not used
29 Belt CZN7661 Not used Not used
30 Holder Assy CZX3172 Not used Not used
31 Holder Assy CZX3173 Not used Not used
32 Remote Control Assy CZX3257 Not used Not used
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DEH-P450MP/XM/UC
2.2 EXTERIOR (DEH-P450MP, P4500MP)
9
5
6
7
8
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5
6
7
8
DEH-P450MP/XM/UC
1 Remote Control Unit
See Contrast table(2)
2 Cover
See Contrast table(2)
3 Screw ISS26P055FTC
4 Screw BMZ30P040FZK
5 Screw BSZ26P060FTC
6 Screw BSZ30P060FTC
7 Screw BSZ30P200FTC
8 Cord Assy CDE7060
9 Cable CDE7189
10
CD Mechanism Module(S10MP3)CXK5660
11 Case CNB2870
12 Earth Plate CNC8915
13 Cushion CNM4870
14 Insulator CNM7935
15 Insulator CNM8174
16 Panel
See Contrast table(2)
17 Tuner Amp Unit CWM8653
18 Screw ASZ26P060FTC
19 Screw BPZ26P080FTC
20 Screw BSZ26P160FTC
21 Fuse(10A) CEK1208
22 FM/AM Tuner Unit CWE1646
23 Holder CND1054
24 Pin Jack(CN351) CKB1051
25 Plug(CN981) CKM1376
26 Connector(CN101) CKS3408
27 Plug(CN831) CKS3537
28 Connector(CN721) CKS3837
29 Antenna Jack(CN401) CKX1056
30 Holder CND1238
31 Holder CND1352
32 Insulator CNM8245
33 Heat Sink CNR1668
34 Terminal(CN402) VNF1084
35 Holder Unit CXB6681
36 Chassis Unit CXB9528
37 Button(EJECT) CAC7752
38 Screw(M2x2) CBA1176
39 Washer CBF1038
40 Spring CBH2650
41 Spring CBH2651
42 Spring CBH2652
43 Spring CBH2653
44 Spring CBL1512
45 Holder CND1254
46 Cover CNM6854
47 Panel CNS7245
48 Gear CNV5997
49 Pin CNV6486
50 Lighting Conductor CNV6487
51 Arm CNV7400
52 Arm CNV7401
53 Arm CNV7402
54 Arm CNV7403
55 Panel Unit CWM8758
56 Socket(CN1950) CKS3550
57 Connector(CN1951) CKS4462
58 Holder Unit CXB9501
59 Holder Unit CXB9502
60 Damper Unit CXB9503
61 Service Panel Unit CXX1691
62 Screw IMS20P045FZK
63 Detach Grille Assy
See Contrast table(2)
64 Screw BPZ20P100FZK
65 Button(DISP) CAC7779
66 Button(PAUSE) CAC7780
67 Button(AUDIO) CAC7781
68 Button(OPEN) CAC7782
69 Button(VOLUME)
See Contrast table(2)
70 Button(SELECT)
See Contrast table(2)
71 Button(SRC) CAC7785
72 Button(FUNC) CAC7786
73 Button(1-6) CAC7787
74 Button(CLK, EQ) CAC7808
75 Spring CBH2630
76 Cover CNS7269
77 Lighting Conductor CNV7421
78 Rubber CNV7422
79 Keyboard Unit CWM8635
80 LCD(LCD1901) CAW1759
81 Connector(CN1901) CKS4524
82 Holder CNC9757
83 Sheet CNM7647
84 Cushion CNM8092
85 Connector CNV6440
86 Lighting Conductor CNV7711
87 Grille Unit
See Contrast table(2)
88 Transistor(Q752, 901, 911) 2SD2375
89 IC(IC301) PAL007A
90 IC(IC1902) TSOP4840SB1
91 Holder
See Contrast table(2)
92 Screw
See Contrast table(2)
93 Choke Coil(L981) CTH1280
94 Remote Control Assy
See Contrast table(2)
95 Cover
See Contrast table(2)
Mark No. Description Part No. Mark No. Description Part No.
(1) EXTERIOR (DEH-P450MP, P4500MP) SECTION PARTS LIST
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DEH-P450MP/XM/UC
Part No.
Mark No. Symbol and Description DEH-P450MP/XM/UC DEH-P4500MP/XM/UC
1 Remote Control Unit Not used CXC1265
2 Cover Not used CNS7068
16 Panel CNS6935 CNS6934
63 Detach Grille Assy CXB9593 CXB9594
69 Button(VOLUME) CAC7810 CAC7809
70 Button(SELECT) CAC7812 CAC7811
87 Grille Unit CXB9621 CXB9622
91 Holder Not used CNV7619
92 Screw Not used BMZ40P140FTC
94 Remote Control Assy CZX3257 Not used
95 Cover CZN7655 Not used
(2) CONTRAST TABLE
DEH-P450MP/XM/UC and DEH-P4500MP/XM/UC are constructed the same except for the following:
11
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P450MP/XM/UC
12
1
234
12
34
F
E
D
C
B
A
DEH-P450MP/XM/UC
2.3 EXTERIOR (DEH-P3550MP)
13
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P450MP/XM/UC
1 Choke Coil(L981) CTH1280
2 Sheet CNM8386
3 Screw ISS26P055FTC
4 Screw BMZ30P040FZK
5 Screw BSZ26P060FTC
6 Screw BSZ30P060FTC
7 Screw BSZ30P200FTC
8 Cord Assy CDE7060
9 Cable CDE7189
10
CD Mechanism Module(S10MP3)CXK5660
11 Case CNB2870
12 Earth Plate CNC8915
13 Cushion CNM4870
14 Insulator CNM7935
15 Insulator CNM8174
16 Panel CNS6935
17 Tuner Amp Unit CWM8654
18 Screw ASZ26P060FTC
19 Screw BPZ26P080FTC
20 Screw BSZ26P160FTC
21 Fuse(10A) CEK1208
22 FM/AM Tuner Unit CWE1646
23 Holder CND1054
24 Pin Jack(CN351) CKB1059
25 Plug(CN981) CKM1376
26 Connector(CN101) CKS3408
27 Plug(CN831) CKS3537
28 Connector(CN721) CKS3837
29 Antenna Jack(CN401) CKX1056
30 Holder CND1237
31 Holder CND1352
32 Insulator CNM8245
33 Heat Sink CNR1668
34 Terminal(CN402) VNF1084
35 Holder Unit CXB6681
36 Chassis Unit CXB9528
37 Button(EJECT) CAC7752
38 Screw(M2x2) CBA1176
39 Washer CBF1038
40 Spring CBH2650
41 Spring CBH2651
42 Spring CBH2652
43 Spring CBH2653
44 Spring CBL1512
45 Holder CND1254
46 Cover CNM6854
47 Panel CNS7245
48 Gear CNV5997
49 Pin CNV6486
50 Lighting Conductor CNV6487
51 Arm CNV7400
52 Arm CNV7401
53 Arm CNV7402
54 Arm CNV7403
55 Panel Unit CWM8758
56 Socket(CN1950) CKS3550
57 Connector(CN1951) CKS4462
58 Holder Unit CXB9501
59 Holder Unit CXB9502
60 Damper Unit CXB9503
61 Service Panel Unit CXX1691
62 Screw IMS20P045FZK
63 Detach Grille Assy CXB9596
64 Screw BPZ20P100FZK
65 Button(DISP) CAC7779
66 Button(PAUSE) CAC7842
67 Button(AUDIO) CAC7781
68 Button(OPEN) CAC7782
69 Button(VOLUME) CAC7810
70 Button(SELECT) CAC7812
71 Button(SRC) CAC7785
72 Button(FUNC) CAC7786
73 Button(1-6) CAC7813
74 Button(CLK, EQ) CAC7808
75 Spring CBH2630
76 Cover CNS7269
77 Lighting Conductor CNV7421
78 Rubber CNV7422
79 Keyboard Unit CWM8631
80 LCD(LCD1901) CAW1762
81 Connector(CN1901) CKS4524
82 Holder CNC9757
83 Sheet CNM7647
84 Cushion CNM8092
85 Connector CNV6440
86 Lighting Conductor CNV7711
87 Grille Unit CXB9624
88
Transistor(Q752, 901, 911) 2SD2375
89 IC(IC301) PAL007A
90 IC(IC1902) TSOP4840SB1
Mark No. Description Part No. Mark No. Description Part No.
-
EXTERIOR (DEH-P3550MP) SECTION PARTS LIST
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DEH-P450MP/XM/UC
2.4 CD MECHANISM MODULE
1
1
2
2
2
2
2
1
1
1
1
1
1
1
1
2
3
1GEM1024
2GEM1045
3GEM1035
1
1
1
1
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P450MP/XM/UC
15
Mark No. Description Part No. Mark No. Description Part No.
1 CD Core Unit(S10MP3) CWX2742
2 Connector(CN101) CKS4182
3 Connector(CN901) CKS4017
4 Screw BMZ20P035FTC
5 Screw BSZ20P040FTC
6 Screw(M2x4) CBA1362
7 Screw(M2x3) CBA1511
8 Screw(M2x3) CBA1527
9 Washer CBF1037
10 Washer CBF1038
11 Washer CBF1060
12 Spring CBH2390
13 Spring CBH2606
14 Spring CBH2607
15 Spring CBH2608
16 Spring CBH2609
17 Spring CBH2610
18 Spring CBH2611
19 Spring CBH2612
20 Spring CBH2613
21 Spring CBH2614
22 Spring CBH2615
23 Spring CBH2616
24 Spring CBH2617
25 Spring CBH2620
26 Spring CBH2621
27 Spring CBH2641
28 Spring CBH2642
29 Spring CBH2643
30 Spring CBH2659
31 Spring CBH2688
* 32 Spring CBL1614
33 Shaft CLA3845
34 Frame CNC9962
35 Frame CNC9963
36 Bracket CNC9966
37 Bracket CNC9967
38 Arm CNC9968
39 Arm CNC9973
40 Lever CNC9983
41 Lever CNC9984
42 Sheet CNM8134
43 Collar CNV6906
44 Guide CNV6925
45 Arm CNV7198
46 Rack CNV7199
47 Holder CNV7201
48 Holder CNV7202
49 Arm CNV7203
50 Gear CNV7207
51 Gear CNV7208
52 Gear CNV7209
53 Gear CNV7210
54 Gear CNV7211
55 Gear CNV7212
56 Rack CNV7214
57 Arm CNV7215
58 Arm CNV7216
59 Guide CNV7217
60 Roller CNV7218
61 Gear CNV7219
62 Arm CNV7221
63 Arm CNV7220
64 Arm CNV7222
65 Damper CNV7313
66 Damper CNV7314
67 Arm CNV7341
68 Arm CNV7342
69 Guide CNV7360
70 Guide CNV7361
71 Holder CNV7437
72 Arm CNV7444
73 Gear CNV7595
74 Damper CNV7618
75 Motor Unit(M1) CXB6007
76 Chassis Unit CXB8728
77 Screw Unit CXB8729
78 Gear Unit CXB8731
79 Arm Unit CXB8732
80 Arm Unit CXB8735
81 Arm Unit CXB8852
82 Motor Unit(M2) CXB8933
83 Bracket CNC9985
84 Screw JFZ20P020FTC
85 Screw(M2x5) EBA1028
86 Screw JFZ20P020FTC
87 Screw JGZ17P022FTC
88 Washer YE15FTC
89 Washer YE20FTC
90 Pickup Unit(Service)(P10) CXX1641
91 Screw IMS26P030FMC
- CD MECHANISM MODULE SECTION PARTS LIST
16
1
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12
34
F
E
D
C
B
A
DEH-P450MP/XM/UC
BRST,BRXEN,BSRQ
Q602
Q603
MUTE
D
CN901
Q101
M
LASER
DIODE
MONITOR
DIODE
CLAMP
SENSE
DISC
SENSE
FOCUS ACT.
SPINDLE
MOTOR
M
CARRIAGE
MOTOR
LOAD/
TRACKING ACT.
LD-
MD
FO+
TO+
15
5
1
4
PICKUP UNIT
(SERVICE)(P10)
HOLOGRAM
UNIT
IC 301
BA5996FM
IC 201
UPD63760GJ
IC 703
+3.3V REGULATOR
RF-AMP,CD DECODER,
MP3 DECODER,
DIGITAL SERVO / DATA PROCESSOR
CD
DRIVER
3
VD
VD
3VDD
10
L-OUT
5
CN101
TOP
FOP
16
SOP
15
SOM
18
LCOP
17
LCOM
22
4,5
LOEJ
43
35
LOUT
42
9
CONT
12
FOP
TD/FD
AC,BD
F,E
SD/MD
1
13
TOP
HOME
12EJ
SENSE
8EJ
SENSE
LD+
14
142
LD
141
PD
CD CORE UNIT(S10MP3)
3938
X201 X202
DSCSNS
CONT
LOEJ
HOME
75
77
28
26
VDD
IC 203
BA033SFP
+3.3V REGULATOR
V3R3D
2
4
CD3VON
25
VDCONT
24
1
S-818A33AUC-BGN
CD CONTROLLER
IC 701
PE5352B
33
CDMUTE
4
V3R3D
WINT,
WAIT,
RFOK
DRAM
IC 202
MSM51V4265EP-70TS
TC74VHCT08AFT
IC 702
XWINT,
XWAIT,
FOK
19
1
BDATA,BSCK
VD2
2
Q701
17
ADENA
14 VCC
VDD
15
5
1
4
14
CLAMP
93
VD2
VDCONT
ASENBO
37
mute
X1
X2
PEE
100
41
71
86
85
24
SYSTEM CONTROLLER
IC 601(2/2)
PE5393A
CN401
1
2
BUS-
BUS+
BUS+L
BUS-L
TX
RX
IPPW
swvdd
BU
VDD
CN721
TUNER AMP UNIT
16
X601
15
EVST,EVC
TUN L
BUS+L
BUS-L
CD L
96
DPDT
95
KYDT
21
SYSPW
20
ILMPW
90
dsens
A
5
8
1
7
CN101
11
BUZZER
14
IC 101
HA12187FP
IP-BUS DRIVER
1
2
8
6
5
TX
RX
IPPW
BU
Q101
Q102
TUN 3.3V
SYS 8.4V
VDD
ANTENNA
FLPILM
9
ejectin
8
BU
Q751
Q752
20
19
5
21
80
VDSENS
VDD
BRST,BRXEN,BSRQ
BDATA,BSCK
VD
Q754
22
VD
Q601
83
AVREF
22
adpw
FMRF
ANT adj
RF adj
FM ANT
T51
CF52
CF51
RFGND
OSCGND
DGND
AUDIOGNDNCVCC
VDD_3.3
3.3V
2.5V
IC 4
3.3V 2.5V
←
IC 2
2.5V
WC
CE2
ROM_VDD
SL
DI
CK
CE1
NC
DO
NCNCNC
NC
7 6 13 5 10 9 8 11 14 18 19 20 21
1
3
212 1522 16 4 17
IC 1
3.3V
AM ANT
FMRF
ATT
LPF
OSC
IC 3 EEPROM
5.0V
IC 5
5V 3.3V
←
ATT
MIXER, IF AMP
DET, FM MPX
24
23
Rch
Lch
FM/AM TUNER UNIT
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
17
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P450MP/XM/UC
11
1
bsens
asens
VDD
BU
92
93
10
FL
11
RL
37
ILB
SWVDD
ILB
SWDVDD
23
21
3
5
FLFL+
RLRL+
ACC
IN2-L
3
IN4+L
5
IN4-L
6
IN3-L
4
FLIN
14
RLIN
12
22 4
RESET
POWER AMP
IC 601(1/2)
PE5393A
IC 131
PML003AM
IC 651
BD4834G
IC 301
PAL007A
reset
VDD
Q901
Q931
SYSPW
ELECTRONIC VOLUME/
SOURCE SELECTOR
BU
VDD
STBYMUTE
IC 1901
PD6340A
LCD DRIVER/
KEY CONTROLLER
KEY MATRIX
9
11
KEY DATA
VDD
55
CN1901
Q961
Q962
Q971
KEYBOARD UNIT
16
X601
15
2
EVST,EVCK,EVDT
TUN L
BUS+L
BUS-L
CD L
DPDT
3
5
DPDT
KYDT
SYS 8.4V
BU
Q912
Q913
21
BU
Q301
MUTE
Q351
7
2
11
14
7
2
11
14
CN1950
CN1951
KYDT
4
2
10
8
IC 1902
TSOP4840SB1
REMOTE CONTROL SENSOR
OPT IN
3
1
17
RFM
18
20
DPDT
KTDT
LCD
PANEL UNIT
MUTE
RL
S831
DSENS
SYSTEM CONTROLLER
25
B.REMOTE
VDD REGULATOR
BACKUP SENSE
ACC SENSE
SYS 8.4V REGULATOR
14
8
6
5
7
16
11
14
8
6
5
7
16
11
15 15
B
C
CN981
Q502
BU
FUSE
10A
SL
TUNPCE2
TUNPCE1
TUNPDI
TUNPDO
74
32
99
94
98
TUNPCK
97
CE2
CE1
BA033FP
IC 921
13
SYS 8.4V
TUN 3.3V
TUNER 3.3V REGULATOR
Q911
DO
DI
CK
Q902
DALMON
10
BU
20
Q501
VLCD
11
810
10
5
BL+B
CN831
8
8
S1970
EJECT
9
9
DGND
BU
5
6
5
6
Q831
9
8
FL
RL
CN351
4
8
Q352
FL
Q601
83
22
VDD
FLFL+
RLRL+
BACK UP
GND
ACC
B.REM
DEH-P450MP/XM/UC
DEH-P4500MP/XM/UC
18
1
234
12
34
F
E
D
C
B
A
DEH-P450MP/XM/UC
EJECT
DETACH SENSE
R9403
0R0
R9101
0R0
FM/AM TUNER UNIT
CN901
CD CORE UNIT(S10MP3)
D
KEYBOARD UNIT
C
CN1901
PANEL UNIT
B
FM:-31
AM:-31
CD
IP-BUS:+2
CD:0dBs
IP-BUS:+2.2dBs
FM(30%):-30.0dBs
AM(30%):-30.0dBs
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-b
A-a
A-b
A-b
A-a
Large size
SCH diagram
Guide page
Detailed page
A B
A-a
19
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P450MP/XM/UC
BACKUP
GND
RL—
RL+
FL—
FL+
B.REM
ACC
RR—
RR+
FR—
FR+
AND
600µH
>
FRONT
R CH
FRONT
L CH
REAR
R CH
REAR
L CH
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
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.
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
TUNER AMP UNIT
A
UC
ES
UC only
FM:+30dBs
AM:+20dBs
CD:+36dBs
IP-BUS:+36dBs
FM:-6.66dBs
AM:-6.66dBs
CD:+9.34dBs
IP-BUS:+9.54dBs
FM:-5.9dBs
AM:-5.9dBs
CD:+10.1dBs
IP-BUS:+10.3dBs
A-b
A
20
1
234
12
34
F
E
D
C
B
A
DEH-P450MP/XM/UC
A-a
A-b
A-a
A-a
A-b
1
2
R9101
0R0
CN901
CD CORE UNIT(S10MP3)
D
FM:-31.0dBs
AM:-31.0dBs
CD:0dBs
IP-BUS:+2.2dBs
CD:0dBs
IP-BUS:+2.2dBs
21
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P450MP/XM/UC
A-a
A-b
A-a
A-a
A-b
B
3
4
EJECT
DETACH SENSE
R9403
0R0
FM/AM TUNER UNIT
KEYBOARD UNIT
C
CN1901
PANEL UNIT
B
E
FM(30%):-30.0dBs
AM(30%):-30.0dBs
22
1
234
12
34
F
E
D
C
B
A
DEH-P450MP/XM/UC
A-a
A-b
A-b
1
2
FRONT
R CH
FRONT
L CH
REAR
R CH
REAR
L CH
TUNER AMP UNIT
A
UC only
FM:-6.66dBs
AM:-6.66dBs
CD:+9.34dBs
IP-BUS:+9.54dBs
FM:-5.9dBs
AM:-5.9dBs
CD:+10.1dBs
IP-BUS:+10.3dBs
23
5
6
7
8
F
E
D
C
B
A
5
6
7
8
DEH-P450MP/XM/UC
A-a
A-b
A-b
3
4
BACKUP
GND
RL—
RL+
FL—
FL+
B.REM
ACC
RR—
RR+
FR—
FR+
AND
600µH
>
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
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.
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
UC
ES
FM:+30dBs
AM:+20dBs
CD:+36dBs
IP-BUS:+36dBs
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