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 N.V.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000
K-ZZA. MAR. 2000 Printed in Japan
ORDER NO.
CRT2482
BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER
PRS-X340
X1R/UC,EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................2
3. SCHEMATIC DIAGRAM .............................................6
4. PCB CONNECTION DIAGRAM................................12
5. ELECTRICAL PARTS LIST........................................18
6. ADJUSTMENT .........................................................24
7. GENERAL INFORMATION.......................................25
7.1 DISASSEMBLY ..................................................25
8. OPERATIONS AND SPECIFICATIONS ....................26
PRS-X340/X1R/UC
2
PRS-X340
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
1. SAFETY INFORMATION
- PRS-X340/X1R/UC
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
3
PRS-X340
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
Part No.
Mark No. Description
PRS-X340/X1R/UC
PRS-X340/X1R/EW
1 Screw Assy
HEA0047
HEA0047
2 Screw
BYC40P180FZK
BYC40P180FZK
3 Polyethylene Bag
HEG0011
HEG0011
4 Screw
SMZ50H300FCR
SMZ50H300FCR
5 Polyethylene Bag
HEG0022
HEG0022
6 Carton
HHG0245
HHG0246
7 Contain Box
HHL0245
HHL0246
8 Protector
HHP0043
HHP0043
9 Protector
HHP0070
HHP0070
10 Bracket Assy
HXA0323
HXA0323
11 Screw
HBA0017
HBA0017
12 Polyethylene Bag
HEG0011
HEG0011
13 Bracket
HNS0071
HNS0071
14-16 ·····
17-1 Owner's Manual
HRD0144
HRD0145
17-2 ·····
* 17-3 Caution Card
Not used
HRP0009
* 17-4 Warranty Card
HRY1070
HRY1157
* 17-5 Speac Sheet
HRB0056
HRB0057
* 17-6 PRC
HRY0013
Not used
- Owner's Manual
Model
Part No.
Language
PRS-X340/X1R/UC
HRD0144
English, French
PRS-X340/X1R/EW
HRD0145
English, Spanish, German,
French, Italian, Dutch
4
PRS-X340
2.2 EXTERIOR
5
PRS-X340
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description
Part No.
Mark No. Description
Part No.
1 Screw
BBZ30P100FMC
2 Screw
BBZ30P140FMC
3 Screw(M3x12)
CBA1323
*
4 Badge
See Contrast table(2)
5 Screw(M3x5)
HBA0006
6 Screw(M3x8)
HBA0011
7 Insert
HBN0003
8 Case
HNB0102
9 Case
HNB0103
10 Heat Sink
HNR0129
11 Bracket
HNS0070
12 End Cap
HNS0072
13 Spacer
HNV0016
14 Amp Unit
See Contrast table(2)
15 Screw
BBZ30P060FMC
16 Screw(M3x14)
CBA1382
17 Terminal(CN905)
CKF1059
18 Connector(CN101)
CKS3146
19 Connector(CN103)
CKS3146
20 Fuse(30A)
HEK0030
21 Pin Jack(CN852)
HKB0002
22 Pin Jack(CN851)
HKB0006
23 Fuse Holder
HKE0012
24 Terminal(CN901)
HKE0020
25 Connector(CN301)
HKE0030
26 Clip
HNC0054
27 Holder
HNC0076
28 Bar
HNR0124
29 Heat Sink
HNR0148
30 Heat Sink
HNR0149
31 Network Unit
See Contrast table(2)
32 Connector(CN102)
CKS3145
33 Connector(CN104)
CKS3145
34 Clip
HNC0054
35 Screw
PPZ30P100SAD
36 Light Pipe Unit
HXA0201
37 Screw
PPZ30P100FZK
38 Thermistor(TH901, 902)
CCX1013
39 FET
94-4981
(Q361, 362, 363, 364, 365, 366, 367, 368)
40 FET
STP50NE08
(Q905, 906, 911, 912, 913, 914)
41 Transistor(Q907)
2SD2395
42 Diode(D910)
FML22R
43 Transistor(Q908)
2SB1566
44 Diode(D907)
FML22S
45 FET
94-4980
(Q353, 354, 355, 356, 357, 358, 359, 360)
46 Screw
SMZ50H300FCR
(2) CONTRAST TABLE
PRS-X340/X1R/UC and PRS-X340/X1R/EW are constructed the same except for the following:
Part No.
Mark No. Description
PRS-X340/X1R/UC
PRS-X340/X1R/EW
*
4 Badge
HAM0013
HAM0014
14 Amp Unit
HWH0132
HWH0124
31 Network Unit
HWG0018
HWG0017