PIONEER 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 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-ZZA. MAY 2001 Printed in Japan
ORDER NO.
CRT2686
UNIVERSAL DIGITAL PREAMP EQUALIZER
DEQ-P9
UC,EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....6
4. PCB CONNECTION DIAGRAM ................................16
5. ELECTRICAL PARTS LIST ........................................24
6. ADJUSTMENT..........................................................30
7. GENERAL INFORMATION .......................................31
7.1 DIAGNOSIS ........................................................31
7.1.1 DISASSEMBLY .........................................31
7.1.2 CONNECTOR FUNCTION DESCRIPTION .......33
7.2 IC .........................................................................33
7.3 OPERATIONAL DESCRIPTION ..........................41
8. OPERATIONS AND SPECIFICATIONS.....................43
DEQ-P9/UC
2
DEQ-P9
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
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
15
18
20
19
20
19
6
4
5
7
16
3
8
10
9
11
12
13
14
22
21
23
24
2
17
1
26
25
25
3
DEQ-P9
1 Cable
CDE6690
2 Cord
CDE4167
3 Cord Assy
CDE6643
4 Cord
CDE3951
*
5 Cord
CDE6641
*
6 Cord
CDE6644
*
7 Polyethylene Bag
CEG-145
8 Accessory Assy
CEA1849
*
9 Polyethylene Bag
CEG-020
*
10 Bracket
CNC4763
11 Screw Assy
CEA2761
12 Screw
BMZ40P050FMC
13 Screw
BYC40P120FZK
*
14 Polyethylene Bag
E36-613
15 Polyethylene Bag
See Contrast table(2)
16 Carton
See Contrast table(2)
17 Sub Unit Box
CHG4438
18 Contain Box
See Contrast table(2)
19 Protector
CHP2359
20 Protector
CHP2360
21 Polyethylene Bag
CEG1116
22-1 Owner's Manual
See Contrast table(2)
22-2 Owner's Manual
See Contrast table(2)
22-3 Owner's Manual
See Contrast table(2)
22-4 Owner's Manual
See Contrast table(2)
22-5 Owner's Manual
See Contrast table(2)
22-6 Owner's Manual
See Contrast table(2)
* 22-7 Warranty Card
See Contrast table(2)
23 Cover
CNS2726
*
24 Lock Tie
See Contrast table(2)
*
25 Clamper
CNV1272
*
26 Filter
See Contrast table(2)
Mark No. Description
Part No.
Mark No. Description
Part No.
(1) 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.
(2) CONTRAST TABLE
DEQ-P9/UC and EW are constructed the same except for the following:
Part No.
Mark No. Symbol and Description DEQ-P9/UC
DEQ-P9/EW
15 Polyethylene Bag
CEG1173
CEG-162
16 Carton
CHG4345
CHG4344
18 Contain Box
CHL4345
CHL4344
22-1 Owner's Manual
CRB1641
CRB1635
22-2 Owner's Manual
CRB1642
CRB1636
22-3 Owner's Manual
Not used
CRB1637
22-4 Owner's Manual
Not used
CRB1638
22-5 Owner's Manual
Not used
CRB1639
22-6 Owner's Manual
Not used
CRB1640
* 22-7 Warranty Card
CRY1070
CRY1157
*
24 Lock Tie
Not used
CNV-754
*
26 Filter
Not used
CTX1060
- Owner's Manual, Installation Manual
Model
Part No.
Language
DEQ-P9/UC
CRB1641
English
CRB1642
French
DEQ-P9/EW
CRB1635
English
CRB1636
Spanish
CRB1637
German
CRB1638
French
CRB1639
Italian
CRB1640
Dutch
4
DEQ-P9
2.2 EXTERIOR
A
B
5
DEQ-P9
1 Screw
BSZ30P060FZK
*
2 Badge(/UC)
CAH1765
*
Badge(/EW)
CAH1764
3 Cable
CDE6625
4 Cord Assy
CDE6643
5 Fuse(4A)
CEK1001
6 Chassis
CNA2366
7 Panel
CNB2636
8 Case
CNB2634
9 Case
CNC9165
10 Insulator
CNM7103
11 ·····
12 Audio Control Unit(/UC)
CWM7506
Audio Control Unit(/EW) CWM7507
13 Connector(CN903)
CDE6309
14 Connector(CN603)
CDE6462
15 Connector(CN501)
CDE6463
16 Clamper
CEF1007
17 Fuse(4A)
CEK1001
18 Pin Jack(CN101)
CKB1048
19 Pin Jack(CN301)
CKB1048
20 Terminal(CN902)
CKE1033
21 Fuse Holder(CN901)
CKR1021
*
22 Connector(CN602)
CKS2248
23 Connector(CN601)
CKS2601
24 Connector(CN604)
CKS3410
25 Shield
CNC4761
26 Holder
CNC9161
27 Holder
CNC9162
28 Holder
CNC9163
29 Screw
PPZ20P060FZK
30 Screw
PPZ30P080FZK
31 DSP Unit(/UC)
CWX2519
DSP Unit(/EW)
CWX2520
32 Connector(CN1700)
CKS1956
33 Connector(CN1000)
CKS2191
34 Connector(CN1701)
CKS2198
*
35 Connector(CN1702)
CKS2201
36 Shield
CNC9164
37 Holder
CNC9175
38 Holder
CNC9176
39 Insulator
CNM7106
40 Cord
CDE3951
*
41 Cord
CDE6641
42 Filter(/EW)
CTX1054
43 Cushion(/EW)
CNM7567
- EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.