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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-ZZY. AUG. 2001 Printed in Japan
ORDER NO.
CRT2744
XM SATELLITE DIGITAL TUNER
GEX-P900XM
UC
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....6
4. PCB CONNECTION DIAGRAM ................................22
5. ELECTRICAL PARTS LIST ........................................30
6. ADJUSTMENT..........................................................36
7. GENERAL INFORMATION .......................................47
7.1 DIAGNOSIS ........................................................47
7.1.1 DISASSEMBLY .........................................47
7.1.2 CONNECTOR FUNCTION DESCRIPTION .......48
7.2 IC ........................................................................49
7.3 OPERATIONAL FLOW CHART ...........................58
8. OPERATIONS AND SPECIFICATIONS.....................59
Service
Manual


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2
GEX-P900XM
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
1
12
9
3
3
2
14
7
8
6
5
4
13
15
11
10
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING


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3
GEX-P900XM
1-1 Polyethylene Bag
CEG1116
*
1-2 Card
ARY1048
1-3 Owner's Manual
CRB1732
1-4 Installation Manual
CRB1733
*
1-5 Caution Card
CRP1264
2 Cord
CDE5831
3 Angle
CNB2351
4 Holder
CNC9750
5 Screw
BMZ30P060FZK
6 Screw
BNC40P120FZK
*
7 Polyethylene Bag
CEG1158
8 Screw
HMF40P060FZK
*
9 Polyethylene Bag
CEG1101
10 Carton
CHG4466
11 Sub Carton
CHG4469
12 Contain Box
CHL4466
13 Protector
CHP2443
14 Inner Box
CHW1920
15 Polyethylene Bag
CEG1173
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.
Part No.
Language
CRB1732
English
- Owner's Manual
Part No.
Language
CRB1733
English
- Installation Manual


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4
GEX-P900XM
3
1
1
1
1
1
25
24
23
17
20
19
22
18
21
26
27
16
28
40
3635
29
31
39
38
34
33
41
37
42
4
6
12
11
10
14
8
13
15
43
43
5
2
32
30
A
B
C
44
2.2 EXTERIOR


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5
GEX-P900XM
1 Screw
BSZ30P060FZK
2 Chassis
CNA2387
3 Case
CNB2659
4 Holder
CNC9329
5 Insulator
CNM7196
6 Main Unit
CWM7660
7 ·····
8 Plug(CN801)
CKS-460
9 ·····
10 Connector(CN401)
CKS3410
11 Connector(CN402)
CKS3413
12 Connector(CN502)
CKS4563
13 Connector(CN503)
CKS4563
14 Holder
CNC9328
15 Holder
CNC9513
16 RF Module
CWE1615
17 Terminal(CN4)
CKF1066
18 Terminal(CN5)
CKF1066
19 Terminal(CN6)
CKF1066
20 Terminal(CN7)
CKF1066
21 Terminal(CN8)
CKF1066
22 Connector(CN3)
CKS4564
23 Connector(CN1)
CKX1062
24 Connector(CN2)
CKX1063
25 Case
CNC9335
26 Holder
CNC9336
27 Insulator
CNM7217
28 DSP Module
CWX2555
29 Terminal(CN202)
CKF1066
30 Terminal(CN203)
CKF1066
31 Terminal(CN204)
CKF1066
32 Terminal(CN205)
CKF1066
33 Terminal(CN207)
CKF1066
34 Terminal(CN208)
CKF1066
35 Terminal(CN209)
CKF1066
36 Terminal(CN210)
CKF1066
37 Terminal(CN212)
CKF1066
38 Terminal(CN213)
CKF1066
39 Connector(CN201)
CKS4564
40 Holder
CNC9332
41 Holder
CNC9333
42 Insulator
CNM7216
43 Screw
ISS26P055FUC
*
44 Cushion
CNM6997
- EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.