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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-ZZS. AUG. 2001 Printed in Japan
ORDER NO.
CRT2752
MULTI-CD CONTROL HIGH POWER CD PLAYER WITH XM/FM/AM TUNER
DEH-P3370XM
UC
Service
Manual
- This service manual should be used together with the following manual(s):
Model No.
Order No.
Mech. Module
Remarks
CX-977
CRT2624
S9
CD Mech. Module:Circuit Description, Mech. Description, Disassembly
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10
4. PCB CONNECTION DIAGRAM ................................40
5. ELECTRICAL PARTS LIST ........................................56
6. ADJUSTMENT..........................................................66
7. GENERAL INFORMATION .......................................85
7.1 DIAGNOSIS ........................................................85
7.1.1 DISASSEMBLY .........................................85
7.1.2 CONNECTOR FUNCTION DESCRIPTION ...89
7.2 PARTS .................................................................90
7.2.1 IC................................................................90
7.2.2 DISPLAY ..................................................107
7.3 OPERATIONAL FLOW CHART .........................108
8. OPERATIONS AND SPECIFICATIONS...................109
- CD Player Service Precautions
1. For pickup unit(CXX1480) handling, please refer
to"Disassembly"(see page 85).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a jumper-solder).
2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
3. Please checking the grating after changing the ser-
vice pickup unit(see page 68).
- This product has the unit part numbers as below.
Unit Part No.
Description
CPN1760
CD Player
CPN1761
XM Tuner
*) The unit part numbers listed above are not for the service components.


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2
DEH-P3370XM
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
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
1. SAFETY INFORMATION
10
3
3
2
1
4
6
7
8
5
9
17
16
15
18
13
14
20
19
11
12
21
22
35
23
24
28
27
25
26
29
31
34
33
32
30
36


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DEH-P3370XM
3
1 Inner Box
CHW1920
2 Cord
CDE5831
3 Angle
CNB2351
*
4 Polyethylene Bag
CEG1158
*
5 Screw Assy
CEA3061
6 Screw
HMF40P060FZK
7 Screw
BNC40P120FZK
8 Screw
BMZ30P060FZK
9 Holder
CNC9750
*
10 Polyethylene Bag
CEG1101
11 Polyethylene Bag
CEG1116
* 12-1 Card
ARY1048
12-2 Owner's Manual
CRB1734
(English)
12-3 Installation Manual
CRB1735
(English)
* 12-4 Caution Card
CRP1264
13 Inner Box
CHW1904
14 Case Assy
CXB3520
15 Sub Carton
CHG4469
16 Polyethylene Bag
CEG1173
17 Protector
CHP2443
18 Carton
CHG4471
19 Cord Assy
CDE6436
20 Protector
CHP2252
21 Polyethylene Bag
CEG1173
22 Protector
CHP2251
23 Accessory Assy
CEA2773
*
24 Polyethylene Bag
CEG-158
25 Bush
CNV3930
26 Earth Plate
CNC9450
27 Spring
CBH1650
28 Handle
CNC5395
*
29 Polyethylene Bag
CEG-127
30 Screw Assy
CEA2796
31 Screw
CBA1002
32 Screw
BPZ20P060FZK
33 Screw
CRZ50P090FMC
34 Screw
TRZ50P080FMC
35 Carton
CHG4467
36 Contain Box
CHL4467
Mark No. Description
Part No.
Mark No. Description
Part No.
- 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.


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4
DEH-P3370XM
A
C
B
2.2 EXTERIOR


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5
DEH-P3370XM
1 Screw
BMZ30P040FZK
2 Screw
BMZ30P100FMC
3 Screw
BSZ26P060FMC
4 Screw
BSZ30P060FMC
5 Cord Assy
CDE6436
6 ·····
7 Cable
CDE6610
8 ·····
9 ·····
10 Fuse(10A)
CEK1136
11 IC(IC361)
PAL006A
12 Case
CNB2686
13 Holder
CNC5704
14 Holder
CNC8659
15 Cushion
CNM4870
16 Insulator
CNM6948
17 Panel
CNS6332
18 Tuner Amp Unit
CWM7927
19 Screw
ASZ26P060FMC
20 Screw
BPZ26P120FMC
21 Screw
BSZ26P160FMC
22 ·····
23 Pin Jack(CN351)
CKB1035
24 Plug(CN901)
CKM1330
25 ·····
26 Connector(CN701)
CKS3408
27 Plug(CN750)
CKS3537
28 ·····
29 Connector(CN501)
CKS3835
30 Antenna Jack(CN402)
CKX1056
31 Holder(CN403)
CNC5399
32 Holder
CNC8615
33 Holder
CNC9472
34 Insulator
CNM6949
35 Heat Sink
CNR1583
36 FM/AM Tuner Unit
CWE1563
37 Holder
CNC8815
38 Chassis Unit
CXB6100
39 Detach Grille Assy
CXB7769
40 Screw
BPZ20P100FZK
41 Button(1-6)
CAC6773
42 Knob(VOLUME)
CAC6775
43 Button(FUNC/AUDIO)
CAC6776
44 Button(SOURCE/DISP)
CAC6777
45 Button(EQ)
CAC6778
46 Button(SFEQ)
CAC6779
47 Button(OPEN)
CAC6780
*
48 Badge
CAH1754
49 Spring
CBH2430
50 Spring
CBH2431
51 Spring
CBH2491
52 Cover
CNS6282
53 Holder
CNV6505
54 Holder
CNV6506
55 Keyboard Unit
CWM7407
56 LCD
CAW1628
57 Connector(CN1901)
CKS4205
58 Holder
CNC9053
59 Sheet
CNM6969
60 Cushion
CNM6984
61 Connector
CNV6440
62 Lighting Conductor
CNV6441
63 Sub Grille Assy
CXB7770
64 Button(EJECT)
CAC6839
65 Screw(M2x2)
CBA1176
66 Washer
CBF1038
67 Washer
CBF1039
68 Spring
CBH2428
69 Spring
CBH2429
70 Spring
CBL1512
71 Holder
CNC9096
72 Cover
CNM6854
73 Panel
CNS6278
74 Pin
CNV6486
75 Lighting Conductor
CNV6487
76 Gear
CNV6507
77 Arm
CNV6508
78 Panel Unit
CWM7375
79 Socket(CN1950)
CKS3550
80 Connector(CN1951)
CKS4206
81 Damper Unit
CXB5070
82 Holder Unit
CXB6356
83 Holder Unit
CXB6357
84 Clutch Unit
CXB6358
85 Screw
IMS20P045FZK
86 CD Mechanism Module(S9) CXK5500
87 Screw
ISS26P055FUC
88 Transistor(Q510,Q910)
2SD2396
89 IC(IC1902)
SBX8035-H
90 Spacer
CNM7501
- EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.