Pioneer GEX-P900DAB User manual
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 501 Orchard Road, #10-00, Wheelock Place, Singapore 238880
C PIONEER ELECTRONIC CORPORATION 1998 K-FES. JULY 1998 Printed in Japan
ORDER NO.
CRT2193
HIDE-AWAY DAB TUNER
GEX-P900DAB EW
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................2
3. SCHEMATIC DIAGRAM .............................................6
4. PCB CONNECTION DIAGRAM ................................24
5. ELECTRICAL PARTS LIST ........................................28
6. ADJUSTMENT..........................................................35
7. GENERAL INFORMATION .......................................37
7.1 IC ........................................................................37
7.2 TEST MODE........................................................52
7.3 EXPLANATION ...................................................54
7.3.1 CIRCUIT DESCRIPTION ............................54
7.3.2 BLOCK DIAGRAM .....................................59
8. OPERATIONS AND SPECIFICATIONS.....................60
Se
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e
M
a
nu
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2
GEX-P900DAB
1. SAFETY INFORMATION
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.
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
9
5
11
42
3
16
18
87
6
6
12
13
10
14
1715
1
3
GEX-P900DAB
1 Cord CDE5445
2 Screw BNC40P120FZK
* 3 Polyethylene Bag CEG1158
4 Screw HMF40P060FZK
5 Cord Clamper Assy CEA2444
6 Cord Clamper CNV5468
* 7 Polyethylene Bag E36-615
* 8 Polyethylene Bag CEG1101
9-1 Owner’s Manual CRD2721
9-2 Owner’s Manual CRD2722
9-3 Installation Manual CRD2723
* 9-4 Warranty Card CRY1087
9-5 Fastener(x2) CNM3728
9-6 Polyethylene Bag CEG1116
10 Polyethylene Bag CEG1190
11 Carton CHG3514
12 Contain Box CHL3514
13 Protector CHP2057
14 Protector CHP2058
15 Spacer CHW1713
16 Angle CNB2351
17 Antenna Assy CXB2841
18 Clamper CNV1343
Mark No. Description Part No. Mark No. Description Part No.
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.
-PACKING SECTION PARTS LIST
-Owner's Manual, Installation Manual
Part No. Language
CRD2721 English, Spanish, German
CRD2722 French, Italian, Dutch
CRD2723 English, Spanish, German,
French, Italian, Dutch
4
GEX-P900DAB
2.2 EXTERIOR
5
GEX-P900DAB
-EXTERIOR SECTION PARTS LIST
1 Screw BSZ26P060FMC
2 Screw BSZ30P060FMC
3 Screw BSZ30P060FZK
4 Plate CAH1654
5 Cord CDE5445
6 IC(IC803) PQ3RF23
7 IC(IC802) PQ30RV1
8 Screw HMF40P060FZK
9 Chassis CNA2014
10 Angle CNB2351
11 Case CNB2268
12 Shield CNC7513
13 Shield CNC7514
14 Shield CNC7515
15 Shield CNC7516
16 Transistor(Q803) 2SB945
17 IC(IC804) NJM7805FA
18 Insulator CNM5804
19 Terminal(CN802) CKF1059
20 Main Unit CWM5731
21 Screw BMZ26P060FMC
22 Nut CBN1026
23 Plug(CN801) CKS-460
24 Connector(CN222) CKS2104
25 Connector(CN221) CKS2600
26 Connector(CN262) CKS3409
27 Connector(CN261) CKS3414
28 Shield CNC7512
29 Holder CNC7518
30 Antenna Jack(CN401) CKX1059
31 Holder CNC7519
32 Holder CNC7517
33,34 •••••
35 Holder CNC7520
36 •••••
37 Screw ISS26P060FMC
Mark No. Description Part No. Mark No. Description Part No.
6
GEX-P900DAB
A
1234
B
C
D
1234
3. SCHEMATIC DIAGRAM
3.1 MAIN UNIT(1/3)
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
SYSTEM CONTROL
RF SECTION
A2/3 DIGITAL SECTION
A3/3
A1/3
A-a A-b
A-aA-a A-bA-b
A-bA-b
A-aA-a
Large size
SCH diagram
Guide page
Detailed page
A-a
7
GEX-P900DAB
5678
A
B
C
D
5678
SELECTOR
ISOLATOR
MUTE
POWER SUPPLY,
ASENSE,BSENSE
POWER SUPPLY
CEK1033
1.4mH
A1/3
A-b
8
GEX-P900DAB
DIGITAL SECTION
A3/3
A
1234
B
C
D
1234
A-a A-b
A-a 1/3
9
GEX-P900DAB
SYSTEM CONTROL
RF SECTION
A2/3
5678
A
B
C
D
5678
A-a A-b
A-a 1/3
10
GEX-P900DAB
SELECTOR
ISOLATOR
MUTE
POWER SUPPLY,
ASENSE,BSENSE
A
1234
B
C
D
1234
A-a A-b
A-b 1/3
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