Pioneer DEH-2950MP/XN/ES User manual

ORDER NO.
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 2006
CRT3826
CD RECEIVER
DEH-1900MP
/XU/UC
This service manual should be used together with the following manual(s) listed below.
For the parts numbers, adjustments, etc. which are not shown in this manual,
refer to the following manual(s).
Model No. Order No. Mech. Module Remarks
DEH-2950MP/XN/ES CRT3820
CX-3195 CRT3815 S10.5COMP2 CD Mech. Module : Circuit Descriptions, Mech. Descriptions, Disassembly
K-ZZA. NOV. 2006 Printed in Japan

DEH-1900MP/XU/UC2
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SAFETY INFORMATION
EXPLODED VIEWS AND PARTS LIST
PACKING(Page 8)
PACKING SECTION PARTS LIST
*:Non spare part
Owner's Manual,Installation Manual
EXTERIOR(Page 10)
EXTERIOR SECTION PARTS LIST
Mark No. Description DEH-2950MP/XN/ES DEH-1900MP/XU/UC
2 Accessory Assy CEA6708 CEA6707
12 Polyethylene Bag CEG1373 CEG1374
13 Carton CHG5984 CHG6002
14 Contain Box CHL5984 CHL6002
17-1 Installation Manual CRD4139 CRD4137
17-2 Owner's Manual CRD4138 CRD4136
17-3 Owner's Manual CRD4140 Not used
* 17-5 Warranty Card Not used CRY1246
18 Case Assy CXB3520 Not used
20 Screw Not used BPZ20P080FTC
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
Part No. Language
CRD4136
English, French, Spanish
CRD4137
English, French, Spanish
2
10
20
11
6
8
7
5
4
9
Mark No. Description DEH-2950MP/XN/ES DEH-1900MP/XU/UC
11 Tuner Amp Unit CWN2037 CWN2030
38 Detach Grille Assy CXC7309 CXC6991
40 Button(<,>) CAC9867 Not used
41 Button(UP) CAC9868 Not used

DEH-1900MP/XU/UC 3
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CD MECHANISM MODULE(Page 12)
CD MECHANISM MODULE SECTION PARTS LIST
42 Button(Detach) CAC9941 Not used
43 Button(AUDIO,FUNC) CAC9942 Not used
44 Button(1-6) CAC9866 Not used
45 Button(DOWN) CAC9945 Not used
46 Button(EJECT,CLOCK) CAC9949 Not used
47 Button(EQ,BAND) CAC9950 Not used
49 Cover CNS8758 CNS8744
52 Holder CND3646 CND3642
54 Lighting Conductor CNV9308 CNV9301
55 Rubber CNV9310 CNV9302
56 Knob Unit(SOURCE, VOLUME) CXC7055 CXC7060
58 Grille Unit CXC7378 CXC6974
66 Cushion YNM5029 XNM7049
68 Button(Detach) Not used CAC9382
69 Button(SOURCE,BAND) Not used CAC9861
70 Button(AUDIO,FUNC) Not used CAC9862
71 Button(1-6) Not used CAC9863
72 Button(<,>,UP,DOWN) Not used CAC9864
73 Screw Not used BMZ40P140FTC
74 Holder Not used CNV7619
75 Earth Plate Not used CNC8915
76 Cushion Not used CNM8890
Mark No. Description DEH-2950MP/XN/ES DEH-1900MP/XU/UC
2 Connector(CN101) CKS4182 CKS4911
44 Roller CNV7218 CNV8189
48 Guide CNV7799 CNV8448
62 Collar CNV8938 CNV8447
Mark No. Description DEH-2950MP/XN/ES DEH-1900MP/XU/UC
58
57
56 48
69
72
70
71
68
25
14
73
74
26
27
76
75

DEH-1900MP/XU/UC4
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ELECTRICAL PARTS LIST(Page 40)
TUNER AMP UNIT
Circuit Symbol and No. Part Name DEH-2950MP/XN/ES DEH-1900MP/XU/UC
R644 RS1/16S0R0J Not used
R645 RS1/16S0R0J Not used
R646 RS1/16S0R0J Not used
R647 Not used RS1/16S0R0J
R648 RS1/16S0R0J Not used
R670 Not used RS1/16S473J
R671 RS1/16S473J RS1/16S563J
C406 CCSRCH390J50 Not used
C409 CCSRCH100D50 Not used
C637 CKSRYB103K50 Not used
C646 CKSRYB103K50 Not used
(CXX2204)(DEH-2950MP/XN/ES)
(BPZ20P080FTC)(DEH-1900MP/XU/UC)
Page 18 Address 4E
56K 47K
Page 21 Address 5D

DEH-1900MP/XU/UC 5
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KEYBOARD UNIT
Circuit Symbol and No. Part Name DEH-2950MP/XN/ES DEH-1900MP/XU/UC
D1803 LED CL-195SR-CD CL-195PG-CD
D1804 LED CL-195SR-CD CL-195PG-CD
D1805 LED CL-195SR-CD CL-195PG-CD
D1806 LED CL-195SR-CD CL-195PG-CD
D1807 LED CL-195SR-CD CL-195PG-CD
D1808 LED CL-195SR-CD CL-195PG-CD
D1809 LED CL-195SR-CD CL-195PG-CD
D1812 LED CL-195SR-CD CL-195PG-CD
D1813 LED CL-195SR-CD CL-195PG-CD
D1814 LED CL-195SR-CD CL-195PG-CD
D1815 LED CL-195SR-CD CL-195PG-CD
D1816 LED CL-195SR-CD CL-195PG-CD
D1817 LED CL-195SR-CD CL-195PG-CD
D1818 LED CL-195SR-CD CL-195PG-CD
D1819 LED CL-195SR-CD CL-195PG-CD
D1820 LED CL-195SR-CD CL-195PG-CD
D1821 LED CL-195SR-CD CL-195PG-CD
D1822 LED Not used CL-195PG-CD
D1823 LED CL-195SR-CD CL-195PG-CD
D1824 LED CL-195SR-CD Not used
D1825 LED CL-195SR-CD CL-195PG-CD
S1827 Rotary Encoder YSD5010 Not used
S1831 Rotary Encoder Not used YSD5001
R1808 RS1/4SA681J RS1/4SA561J
R1813 Not used RS1/4SA681J
R1816 RS1/4SA561J Not used
R1831 RS1/16S0R0J Not used

DEH-1900MP/XU/UC6
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BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
KEYBOARD UNIT
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".
F
B
LCD DRIVER/
KEY CONTROLLER

DEH-1900MP/XU/UC 7
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CN831
AUX
INPUT
KEYBOARD UNIT
F
B
A

DEH-1900MP/XU/UC8
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PCB CONNECTION DIAGRAM
KEYBOARD UNIT
SIDE A
F
B
KEYBOARD UNIT
F
B
Capacitor
Connector
P.C.Board Chip Part SIDE B
SIDE A
NOTE FOR PCB DIAGRAMS
1.The parts mounted on this PCB
include all necessary parts for
several destination.
For further information for
respective destinations, be sure
to check with the schematic dia-
gram.
2.Viewpoint of PCB diagrams
SOURCE
BAND
CLOCK 1 2 3 4 5 6 DISPLAY EQ
AUDIO
EJECT
AUX INPUT
FUNCTION
VOLUME

DEH-1900MP/XU/UC 9
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SIDE B
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KEYBOARD UNIT
F
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ACN831