Pioneer PRS-X340 User manual
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
NETWORK PCB(A)
NETWORK PCB(B)
AMP UNIT
CN851
CN851
CN852
CN852
CN851
CN851
CN101
CN102
CN102-2
CN101-2
CN103
CN104
CN104-2
CN103-2
ISOLATOR
GAIN=1
ISOLATOR
GAIN=1
RCA OUT
GAIN=1
HP/LP FILTER
12dB/OCTAVE
BP FILTER
LOW-X TO HIGH-X
HP/LP FILTER
12dB/OCTAVE
POWER SUPPLY
HIGH XOVER
3k-9kHz
LOW XOVER
40-120Hz
HIGH XOVER
3k-9kHz
LOW XOVER
40-120Hz NETWORK UNIT
Consists of
•NETWORK PCB
•NETWORK PCB
6
PRS-X340
A
1234
B
C
D
1234
A-a A-b
A-a
A-a
A-b
A-b
A-b
A-b
A-a
A-a
Large size
SCH diagram
Guide page
Detailed page
3. SCHEMATIC DIAGRAM
3.1 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
A-a
A B C
C
B
A
CN301
CN301
CN903
CN904
CN902
CN901
AMP
GAIN=8.5-33dB
AMP
GAIN=8.5-33dB
IT
CB(A)
CB(B)
PRS-X340/X1R/EW
7
PRS-X340
5678
A
B
C
D
5678
A-b
A
8
PRS-X340
A
1234
B
C
D
1234
NETWORK PCB(A)
AMP UNIT
CN851
CN851
CN852
CN851
CN851
CN101
CN102
CN102-2
CN101-2
CN103
CN104
CN104-2
CN103-2
ISOLATOR
GAIN=1
ISOLATOR
GAIN=1
RCA OUT
GAIN=1
HP/LP FILTER
12dB/OCTAVE
BP FILTER
LOW-X TO HIGH-X
HIGH XOVER
3k-9kHz
LOW XOVER
40-120Hz NETWORK UNIT
Consists of
•NETWORK PCB(A)
•NETWORK PCB(B)
A-a
A-a A-b
1
B C
B
A
9
PRS-X340
5678
A
B
C
D
5678
NETWORK PCB(B)
CN852
HP/LP FILTER
12dB/OCTAVE
POWER SUPPLY
HIGH XOVER
3k-9kHz
LOW XOVER
40-120Hz
A-a
A-a A-b
2
3
C
C
10
PRS-X340
A
1234
B
C
D
1234
CN301
CN301
AMP
GAIN=8.5-33dB
AMP
GAIN=8.5-33dB
T
B(A)
B(B)
A-a A-b
A-b
1
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