Pioneer GM-X642 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.
CRT2480
BRIDGEABLE POWER AMPLIFIER
GM-X642 X1R/EW
Service
Manual
CONTENTS
1. SAFETY INFORMATION............................................2
2. EXPLODED VIEWS AND PARTS LIST ......................3
3. SCHEMATIC DIAGRAM.............................................6
4. PCB CONNECTION DIAGRAM................................12
5. ELECTRICAL PARTS LIST........................................16
6. ADJUSTMENT .........................................................19
7. GENERAL INFORMATION.......................................20
7.1 DISASSEMBLY ..................................................20
8. OPERATIONS AND SPECIFICATIONS ....................21
GM-X542 X1R/UC,ES
GM-X642/X1R/EW

2
GM-X642,X542
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

3
GM-X642,X542
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
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 GM-X642/X1R/EW GM-X542/X1R/UC GM-X542/X1R/ES
1-1 Owner’s Manual HRD0136 HRD0135 HRD0137
1-2 Owner’s Manual Not used Not used HRD0143
* 1-3 Warranty Card HRY1157 Not used Not used
* 1-4 Card Not used ARY1048 Not used
2 Screw BYC40P180FZK BYC40P180FZK BYC40P180FZK
3 Polyethylene Bag HEG0011 HEG0011 HEG0011
4 Polyethylene Bag HEG0009 HEG0009 HEG0009
5 Carton HHG0242 HHG0241 HHG0243
6 Contain Box HHL0242 HHL0241 HHL0243
7 Protector HHP0078 HHP0078 HHP0078
8 •••••
9 Cover HNS0101 HNS0101 HNS0101

4
GM-X642,X542
2.2 EXTERIOR

5
GM-X642,X542
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
1 Screw BBZ30P060FMC
2 Screw BBZ30P080FMC
3 Screw BSZ30P050FZK
4 Panel See Contrast table(2)
5 Case See Contrast table(2)
6 Heat Sink See Contrast table(2)
7 Plate HNS0077
8 Plate HNS0081
9 Cover HNS0101
10 Amp Unit See Contrast table(2)
11 Terminal(CN902) CKF1059
12 Pin Jack(CN851) HKB0001
13 Pin Jack(CN852) HKB0001
14 Terminal(CN901) HKE0036
15 Terminal(CN601) HKE0035
16 Clip HNC0054
17 Heat Sink HNR0151
18 Screw PPZ30P100SAD
19 Light Pipe Unit HXA0322
20 Screw PPZ30P100FZK
21 Fuse Holder HKE0012
22 Fuse(FU902)(25A) HEK0025
23 Thermistor(TH902) CCX1013
24 Screw(M2.6x6) HBA0012
(2) CONTRAST TABLE
GM-X642/X1R/EW and GM-X542/X1R/UC, ES are constructed the same except for the following:
Part No.
Mark No. Description GM-X642/X1R/EW GM-X542/X1R/UC GM-X542/X1R/ES
4 Panel HNB0111 HNB0112 HNB0112
5 Case HNB0116 HNB0114 HNB0114
6 Heat Sink HNR0150 HNR0156 HNR0156
10 Amp Unit HWH0130 HWH0129 HWH0131

ISOLATOR CIRCUIT
GAIN=1
HP/LP FILTER
80Hz
12dB/OCTAVE
POWER SUPPLY
OFF/LPF/HPF
6
GM-X642,X542
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
A
3. BLOCK DIAGRAM AND 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

AAMP UNIT
The >mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.
>
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
AMP
GAIN=7-31dB
BASS BOOST
60Hz
0-18dB/OCTAVE
/EW, ES
BFC
HEK0025
FU902
7
GM-X642,X542
5678
A
B
C
D
5678
A-b
A

8
GM-X642,X542
A
1234
B
C
D
1234
Symbol in
d
No differe
n
discrete re
s
NOTE :
Symbol in
d
No differe
n
discrete ca
ISOLATOR CIRCUIT
GAIN=1
HP/LP FILTER
80Hz
12dB/OCTAVE
BASS BOO
S
60Hz
0-18dB/OCT
A
OFF/LPF/HPF
A-a
A-a A-b
1
2

9
GM-X642,X542
5678
A
B
C
D
5678
POWER SUPPLY
A-a
A-a A-b
3

10
GM-X642,X542
A
1234
B
C
D
1234
AAMP UNIT
Decimal points for resistor and capacitor fixed values are expressed as : 2.2 2R2 0.022 R022
←
←
S
ymbol indicates a resistor.
N
o differentiation is made between chip resistors and
d
iscrete resistors.
:
S
ymbol indicates a capacitor.
N
o differentiation is made between chip capacitors and
d
iscrete capacitors.
AMP
GAIN=7-31dB
S
S BOOST
60Hz
d
B/OCTAVE
A-a A-b
A-b
1
2

11
GM-X642,X542
5678
A
B
C
D
5678
The >mark found on some component parts indicates the importance of the safety factor of the part. Therefore, when replacing, be sure to use parts of identical designation.
>
/EW, ES
BFC
HEK0025
FU902
A-a A-b
A-b
3

12
GM-X642,X542
A
1234
B
C
D
1234
A
1
23
45
67
AMP UNIT
4. PCB CONNECTION DIAGRAM
4.1 AMP UNIT
NOTE FOR PCB DIAGRAMS
1. The parts mounted on this PCB
include all necessary parts for
several destination.
For further information for
respective destinations, be sure
to check with the schematic
diagram.
2. Viewpoint of PCB diagrams
Capacitor
Connector
P.C.Board Chip Part
SIDE A
SIDE B
A

13
GM-X642,X542
5678
A
B
C
D
5678
A
+B
GND
B REMOTE
R+ R+
R- R-
L- L-
L+ L+
BFC
1
23
45
67
SIDE A

14
GM-X642,X542
A
1234
B
C
D
1234
A
A
AMP UNIT

15
GM-X642,X542
5678
A
B
C
D
5678
A
SIDE B

16
GM-X642,X542
Q 659 Transistor 2SA1048
Q 660 Transistor 2SB1243
Q 661 Transistor 2SC2458
Q 902 Transistor 2SA1048
Q 903 Transistor 2SB1277
Q 904 Transistor 2SB1277
Q 905 FET IRFIZ44N
Q 906 FET IRFIZ44N
Q 907 Transistor 2SD2395
Q 908 Transistor 2SB1566
Q 909 Transistor 2SD1919
Q 910 Transistor 2SD1919
Q 911 FET IRFIZ44N
Q 912 FET IRFIZ44N
D 501 Diode HZS6L(C1)
D 502 Diode HZS6L(C1)
D 503 Diode 1SS133
D 504 Diode 1SS133
D 505 Diode 1SS133
D 506 Diode 1SS133
D 557 Diode 1SS133
D 558 Diode 1SS133
D 601 LED SML210LT(LMN)
D 651 Diode ERA15-02VH
D 652 Diode ERA15-02VH
D 653 Diode 1SS133
D 654 Diode HZS7L(B2)
D 658 Diode 1SS133
D 659 Diode 1SS133
D 661 Diode 1SS133
D 903 Diode RM4Z
D 907 Diode FML22S
D 908 Diode HZS16L(1)
D 909 Diode HZS16L(1)
D 910 Diode FML22R
L 801 Ferri-Inductor CTF1007
L 802 Ferri-Inductor CTF1007
L 901 Choke Coil 50mH CTH1218
T 901 Transformer HTT0009
TH 901 Thermistor CCX1013
TH 902 Thermistor CCX1013
TH 903 Thermistor CCX1035
S 101 Switch (OFF, LPF, HPF) CSH1029
S 901 Switch (BFC)(GM-X642/X1R/EW) HSH-156
(BFC)(GM-X542/X1R/ES)
VR 451 Volume 20kΩ(C) HCS0001
VR 453 Volume 10kΩ(A) CCS1265
VR 501 Semi-fixed CCP1200
VR 502 Semi-fixed CCP1200
FU 902 Fuse 25A HEK0025
5. ELECTRICAL PARTS LIST
NOTE:
-Parts whose parts numbers are omitted are subject to being not supplied.
-The part numbers shown below indicate chip components.
Chip Resistor
RS1/_S___J,RS1/__S___J
Chip Capacitor (except for CQS.....)
CKS....., CCS....., CSZS.....
Unit Number : HWH0130(GM-X642/X1R/EW)
Unit Number : HWH0129(GM-X542/X1R/UC)
Unit Number : HWH0131(GM-X542/X1R/ES)
Unit Name : Amp Unit
MISCELLANEOUS
IC 101 IC NJM2068L
IC 102 IC NJM2068L
IC 103 IC NJM2068L
IC 104 IC NJM2068L
IC 451 IC NJM2068D
IC 452 IC NJM2068D
IC 501 IC NJM2068D
IC 651 IC PA2027A
IC 851 IC NJM2068D
IC 852 IC NJM2068D
IC 853 IC NJM2068L
IC 901 IC UPC494C
Q 203 Transistor DTA124ES
Q 204 Transistor 2SC2458
Q 205 Transistor 2SC2458
Q 501 Transistor 2SA992
Q 502 Transistor 2SA992
Q 503 Transistor 2SA992
Q 504 Transistor 2SA992
Q 505 Transistor 2SC1845
Q 506 Transistor 2SC1845
Q 507 Transistor 2SC1845
Q 508 Transistor 2SC1845
Q 509 Transistor 2SK389
Q 510 Transistor 2SK389
Q 513 Transistor 2SC1845
Q 514 Transistor 2SC1845
Q 515 Transistor 2SC2240
Q 516 Transistor 2SC2240
Q 517 Transistor 2SC1845
Q 518 Transistor 2SC1845
Q 519 Transistor 2SA992
Q 520 Transistor 2SA992
Q 521 Transistor 2SA970
Q 522 Transistor 2SA970
Q 523 Transistor 2SC2240
Q 524 Transistor 2SC2240
Q 525 Transistor 2SA970
Q 526 Transistor 2SA970
Q 527 FET 94-4980
Q 528 FET 94-4981
Q 529 FET 94-4981
Q 530 FET 94-4980
Q 571 Transistor 2SD1768S
Q 572 Transistor 2SD1768S
Q 653 Transistor 2SA1048
Q 654 Transistor 2SC2458
Q 655 Transistor 2SC2458
Q 657 Transistor 2SA1048
Q 658 Transistor 2SC2458
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
A

17
GM-X642,X542
RESISTORS
R 101 RS1/10S103J
R 102 RS1/10S103J
R 103 RS1/10S103J
R 104 RS1/10S103J
R 105 RS1/10S103J
R 106 RS1/10S103J
R 107 RS1/10S472J
R 108 RS1/10S472J
R 109 RS1/10S562J
R 110 RS1/10S562J
R 111 RS1/10S103J
R 112 RS1/10S103J
R 115 RS1/10S103J
R 116 RS1/10S103J
R 121 RS1/10S133J
R 122 RS1/10S133J
R 123 RS1/10S133J
R 124 RS1/10S133J
R 203 RD1/4PU222J
R 204 RD1/4PU222J
R 451 RS1/10S392J
R 452 RS1/10S392J
R 455 RS1/10S182J
R 456 RS1/10S182J
R 459 RS1/10S333J
R 460 RS1/10S333J
R 461 RS1/10S221J
R 462 RS1/10S221J
R 465 RS1/10S101J
R 466 RS1/10S101J
R 467 RS1/10S222J
R 468 RS1/10S222J
R 469 RS1/10S473J
R 470 RS1/10S473J
R 471 RS1/10S910J
R 472 RS1/10S910J
R 473 RS1/10S333J
R 474 RS1/10S333J
R 501 RS1/10S222J
R 502 RS1/10S222J
R 503 RS1/10S153J
R 504 RS1/10S153J
R 507 RD1/4PU301J
R 508 RD1/4PU301J
R 509 RD1/4PU183J
R 510 RD1/4PU183J
R 511 RD1/4PU221J
R 512 RD1/4PU221J
R 513 RD1/4PU153J
R 514 RD1/4PU153J
R 515 RD1/4PU221J
R 516 RD1/4PU221J
R 517 RD1/4PU471J
R 518 RD1/4PU471J
R 519 RD1/4PU181J
R 520 RD1/4PU181J
R 521 RD1/4PU181J
R 522 RD1/4PU181J
R 523 RD1/4PU680J
R 524 RD1/4PU680J
R 525 RD1/4PU680J
R 526 RD1/4PU680J
R 527 RD1/4PU332J
R 528 RD1/4PU332J
R 529 RD1/4PU101J
R 530 RD1/4PU101J
R 531 RD1/4PU163J
R 532 RD1/4PU163J
R 533 RD1/4PU332J
R 534 RD1/4PU332J
R 535 RD1/4PU183J
R 536 RD1/4PU183J
R 537 RD1/4PU121J
R 538 RD1/4PU121J
R 539 RD1/4PU102J
R 540 RD1/4PU102J
R 541 RD1/4PU622J
R 542 RD1/4PU622J
R 543 RD1/4PU104J
R 544 RD1/4PU104J
R 545 RD1/4PU101J
R 546 RD1/4PU101J
R 547 RD1/4PU101J
R 548 RD1/4PU101J
R 549 RD1/4PU102J
R 550 RD1/4PU102J
R 551 RS1/10S101J
R 552 RS1/10S101J
R 553 RS1/10S101J
R 554 RS1/10S101J
R 555 0.1ΩCCN1082
R 556 0.1ΩCCN1082
R 557 RS1/2PMF100J
R 558 RS1/2PMF100J
R 595 RD1/4PU563J
R 596 RD1/4PU563J
R 597 RD1/4PU564J
R 598 RD1/4PU564J
R 599 RD1/4PU473J
R 600 RD1/4PU473J
R 605 RD1/4PU331J
R 606 RD1/4PU331J
R 657 RD1/4PU104J
R 658 RD1/4PU472J
R 659 RD1/4PU103J
R 660 RD1/4PU102J
R 661 RD1/4PU472J
R 662 RD1/4PU221J
R 663 RD1/4PU563J
R 664 RD1/4PU473J
R 665 RD1/4PU103J
R 666 RD1/4PU103J
R 667 RD1/4PU222J
R 668 RD1/4PU472J
R 669 RD1/4PU222J
R 671 RD1/4PU221J
R 672 RD1/4PU152J
R 676 RD1/4PU222J
R 678 RD1/4PU472J
R 679 RD1/4PU101J
R 680 RS1/10S472J
R 681 RD1/4PU563J
R 682 RD1/4PU563J
R 683 RD1/4PU103J
R 684 RD1/4PU223J
R 685 RD1/4PU223J
R 686 RD1/4PU223J
R 851 RS1/10S471J
R 852 RS1/10S471J
R 853 RS1/10S223J
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------

18
GM-X642,X542
R 854 RS1/10S223J
R 855 RN1/10SE2201D
R 856 RN1/10SE2201D
R 857 RN1/10SE2201D
R 858 RN1/10SE2201D
R 859 RN1/10SE2201D
R 860 RN1/10SE2201D
R 861 RN1/10SE2201D
R 862 RN1/10SE2201D
R 865 RS1/10S821J
R 866 RS1/10S821J
R 867 RS1/10S223J
R 868 RS1/10S223J
R 869 RS1/10S472J
R 870 RS1/10S472J
R 871 RS1/10S472J
R 872 RS1/10S222J
R 873 RS1/10S333J
R 874 RS1/10S333J
R 901 RD1/4PU0R0J
R 902 RS1/2PMF220J
R 907 RS1/10S473J
R 909 RS1/2PMF220J
R 910 RS1/10S153J
R 911 RS1/10S102J
R 912 RD1/4PU272J
R 913 RS1/10S472J
R 914 RS1/10S472J
R 915 RS1/10S472J
R 916 RD1/4PU332J
R 917 RD1/4PU332J
R 918 RS1/2PMF220J
R 919 RS1/2PMF220J
R 920 RD1/4PU472J
R 921 RD1/4PU472J
R 922 RD1/4PU472J
R 923 RD1/4PU472J
R 924 RS1/2PMF121J
R 925 RS1/2PMF121J
R 928 RS1/2PMF121J
R 929 RS1/2PMF121J
R 932 RD1/4PU104J
R 935 RS1/10S202J
R 936 RS1/10S223J
R 937 RS1/10S103J
R 938 RD1/4PU272J
R 939 RD1/4PU272J
R 947 RS1/2PMF100J
R 948 RS1/2PMF100J
R 949 RD1/4PU153J
R 950 RS1/10S101J
R 951 RD1/4PU563J
R 999 (GM-X642/X1R/EW, GM-X542/X1R/ES) RD1/4PU105J
CAPACITORS
C 101 CCSQCH470J50
C 102 CCSQCH470J50
C 103 CFTLA154J50
C 104 CFTLA154J50
C 105 CFTLA154J50
C 106 CFTLA154J50
C 451 CKSQYB273K25
C 452 CKSQYB273K25
C 453 CEAS4R7M35
C 454 CEAS4R7M35
C 455 CFTLA224J50
C 456 CFTLA224J50
C 457 CFTLA473J50
C 458 CFTLA473J50
C 459 CEAS470M16
C 460 CEAS470M16
C 501 CMA220J2H
C 502 CMA220J2H
C 503 CQMA152J50
C 504 CQMA152J50
C 505 CQMA103J50
C 506 CQMA103J50
C 507 CFTLA393J50
C 508 CFTLA393J50
C 509 CMA030D2H
C 510 CMA030D2H
C 511 CMA030D2H
C 512 CMA030D2H
C 513 CMA180J2H
C 514 CMA180J2H
C 515 CEAS100M16
C 516 CEAS100M16
C 517 CMA680J2H
C 518 CMA680J2H
C 519 CMA680J2H
C 520 CMA680J2H
C 521 CFTLA333J50
C 522 CFTLA333J50
C 523 CEJANP100M16
C 524 CEJANP100M16
C 525 100µF/16V HCH0002
C 526 100µF/16V HCH0002
C 527 CEAS470M16
C 528 CEAS470M16
C 529 CQMA102J50
C 530 CQMA102J50
C 531 CCSQCH470J50
C 532 CCSQCH470J50
C 651 220µF/10V CCH1036
C 652 CFTLA103J50
C 653 CEAS100M16
C 654 CEAS100M16
C 655 CFTLA103J50
C 657 CEAS470M16
C 658 CEAS220M16
C 659 470µF/16V CCH1183
C 661 CFTLA103J50
C 662 CFTLA103J50
C 663 CFTLA334J50
C 664 CKSQYB223K50
C 851 CKSQYB471K50
C 852 CKSQYB471K50
C 853 CEAS100M16
C 854 CEAS100M16
C 855 CFTLA104J50
C 856 CFTLA104J50
C 857 CCSQCH271J50
C 858 CCSQCH271J50
C 859 CCSQCH271J50
C 860 CCSQCH271J50
C 861 CKSQYB471K50
C 862 CKSQYB471K50
C 863 CEAS4R7M35
C 864 CEAS4R7M35
C 865 CCSQCH470J50
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------

19
GM-X642,X542
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
C 866 CEAS100M16
C 867 CEAS100M16
C 868 CCSSL101J50
C 869 CCSSL101J50
C 870 CKSQYB122K50
C 871 CKSQYB122K50
C 901 3300µF/16V CCH1211
C 902 CEAS221M10
C 903 CEAS2R2M50
C 904 CEAS101M16
C 905 CQMA472J50
C 906 CQMA472J50
C 907 3300µF/16V CCH1211
C 908 4700µF/35V HCH0001
C 909 4700µF/35V HCH0001
C 912 CEASR10M50
C 913 CEASR10M50
C 914 CQMA102J50
C 915 CQMA102J50
C 916 CFTLA334J50
C 917 CFTLA334J50
C 918 CKSQYB102K50
C 919 CKSQYB102K50
C 920 CFTLA564J50
C 921 CEAS101M16
C 922 CEAS101M16
C 923 CKSQYB102K50
C 924 CKSQYB102K50
C 927 CQMA102J50
C 932 CEAS470M10
C 937 CKSQYB473K50
C 938 CKSQYB473K50
6. ADJUSTMENT
There is no information to be shown in this chapter.

7. GENERAL INFORMATION
7.1 DISASSEMBLY
20
GM-X642,X542
Case
Fig.1
-Removing the Case and the Plate (Fig.1)
Remove the four screws.
Remove the screw.
Remove the three screws.
Remove the two screws and then remove the
Case.
Remove the screw and then remove the
Plate.
Fig.2
Plate
Amp Unit
Panel
-Removing the Amp Unit (Fig.2)
Remove the four screws.
Remove the two screws and then remove the
Panel.
Remove the twelve screws.
Remove the six screws and then remove the
Amp Unit.