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-ZZS. NOV. 2000 Printed in Japan ORDER NO. CRT2613 BRIDGEABLE FOUR-CHANNEL POWER AMPLIFIER GM-X554 X1R/UC Service Manual GM-X554/X1R/EW 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........................................16 6. ADJUSTMENT .........................................................19 7. GENERAL INFORMATION.......................................20 7.1 DISASSEMBLY ..................................................20 8. OPERATIONS AND SPECIFICATIONS ....................21 GM-X554 X1R/EW GM-X554 X1R/ES
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
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-ZZS. NOV. 2000 Printed in Japan
8. OPERATIONS AND SPECIFICATIONS....................21
GM-X554 X1R/EW
GM-X554 X1R/ES
2
GM-X554
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
1. SAFETY INFORMATION
- GM-X554/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 repaircomplex 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 soand 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 ofCalifornia to cause cancer, birth defects or other reproductive harm. Health & Safety Code Section 25249.6 - Proposition 65
3
GM-X554
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.
Mark No. Description Part No. Mark No. Description Part No.1 Screw BBZ30P050FMC2 Screw BBZ30P060FMC3 Screw BBZ30P080FMC4 Screw BSZ30P050FZK5 Screw(M3x12) CBA1323
6 Screw(M3x5) HBA00067 Screw(M3x8) HBA00118 Panel See Contrast table(2)9 Case HNB0134
10 Panel See Contrast table(2)
11 Holder HNC008012 Heat Sink See Contrast table(2)13 Cover HNS010114 Spacer HNV001615 Amp Unit See Contrast table(2)
There is no information to be shown in this chapter.
20
GM-X554
7. GENERAL INFORMATION
7.1 DISASSEMBLY
Case
Fig.1
- Removing the Case and the Panel (Fig.1)
Remove the four screws.
Remove the two screws.
Remove the three screws and then remove
the Case.
Remove the six screws and then remove the
Panel.
Fig.2
Panel
- Removing the Amp Unit (Fig.2)
Remove the twenty-four screws.
Remove the two screws.
Remove the twelve screws and then remove
the Amp Unit.
Amp Unit
21
GM-X554
8. OPERATIONS AND SPECIFICATIONS
8.1 OPERATIONS
- GM-X554/X1R/EW
22
GM-X554
Pow
er In
dica
tor
The
pow
er in
dica
tor
light
s w
hen
the
pow
er is
sw
itche
d on
.
BFC
(Bea
t Fre
quen
cy C
ontro
l) Sw
itch
If y
ou h
ear
a be
at w
hile
list
enin
g to
an
MW
/LW
bro
adca
st w
ith y
our
car
ster
eo,
chan
ge th
e B
FC s
witc
h us
ing
a sm
all
stan
dard
tip
scre
wdr
iver
.(G
M-X
554/
X1R
/EW
,ES)
LPF
(Low
-Pas
s Fi
lter)/
HPF
(Hig
h-Pa
ss F
ilter
) Sel
ect S
witc
hSe
t the
LPF
/HPF
sel
ect s
witc
h as
fol
low
s ac
cord
ing
to th
e ty
pe o
f sp
eake
r th
at is
con
nect
edto
the
spea
ker
outp
ut c
onne
ctor
and
the
car
ster
eo s
yste
m:
LP
F/H
PF
Sel
ect
Aud
io f
requ
ency
ran
geSp
eake
rR
emar
ks
Swit
chto
be
outp
utT
ype
LPF
(Lef
t)*
— 4
0 to
120
Hz
Subw
oofe
rC
onne
ct a
sub
woo
fer.
OFF
(Cen
ter)
Full
rang
eFu
ll ra
nge
HPF
(R
ight
)*
40 to
120
Hz
—Fu
ll ra
nge
Use
if y
ou w
ant t
o cu
t the
ve
ry lo
w f
requ
ency
ran
ge*
beca
use
it is
not
nec
essa
ry
for
the
spea
kers
you
are
us
ing.
*Se
e th
e “C
ut O
ff F
requ
ency
Con
trol
” se
ctio
n.
Setti
ng th
e U
nit
Gai
n Co
ntro
lA
djus
ting
the
gain
con
trol
s A
and
B w
illhe
lp m
atch
the
outp
ut o
f th
e ca
r st
ereo
to th
e Pi
onee
r am
plif
ier.
Nor
mal
ly, s
etth
e ga
in c
ontr
ols
to th
e “N
OR
MA
L”
posi
tion.
If
the
outp
ut is
low
, eve
n w
hen
the
volu
me
of th
e ca
r st
ereo
is tu
rned
up, t
urn
thes
e co
ntro
ls c
lock
wis
e. I
fth
ere
is d
isto
rtio
n w
hen
the
volu
me
ofth
e ca
r st
ereo
is tu
rned
up,
turn
thes
eco
ntro
ls c
ount
er-c
lock
wis
e.•
If y
ou o
nly
use
one
inpu
t plu
g, s
et th
e ga
inco
ntro
ls f
or s
peak
er o
utpu
ts A
and
B to
the
sam
e po
sitio
n.•
Whe
n us
ing
with
an
RC
A e
quip
ped
car
ster
eo (
stan
dard
out
put o
f 50
0 m
V),
set
toth
e N
OR
MA
L p
ositi
on. W
hen
usin
g w
ithan
RC
A e
quip
ped
Pion
eer
car
ster
eo w
ithm
ax. o
utpu
t of
4 V
or
mor
e, a
djus
t lev
el to
mat
ch th
e ca
r st
ereo
out
put l
evel
.
Cut O
ff Fr
eque
ncy
Cont
rol
If th
e L
PF/H
PF s
elec
t sw
itch
is s
et to
LPF
or
HPF
, you
can
sel
ect a
cut
off
freq
uenc
y fr
om 4
0 to
120
Hz.
Inpu
t Sel
ect S
witc
hFo
r tw
o-ch
anne
l inp
ut, s
lide
this
sw
itch
to th
e le
ft. F
or f
our-
chan
nel i
nput
, slid
eth
is s
witc
h to
the
righ
t.
23
GM-X554
Connection Diagram
Grommet
RCA input
Special red battery wire [RD-223] (sold separately)After making all other connections at the amplifier,connect the battery wire terminal of the amplifier tothe positive (+) terminal of the battery.
Ground wire (Black) [RD-223] (sold separately)Connect to metal body or chassis.
Amplifier withRCA input jacks
Car stereo withRCA output jacks
System remote control wire (sold separately)Connect the male terminal of this wire to the system remote controlterminal of the car stereo (SYSTEM REMOTE CONTROL). The femaleterminal can be connected to the auto-antenna relay control terminal. If thecar stereo does not have a system remote control terminal, connect themale terminal to the power terminal through the ignition switch.
Fuse (30 A)
Fuse (30 A)
Connecting wires with RCA pinplugs (sold separately).
Connecting wires with RCA pinplugs (sold separately).
Speaker terminal
Fuse (20 A) × 2
External OutputIf only one input plug is used, do notconnect anything to RCA input jack B.
RCA input jack BRCA output jack
Front side
RCA input jack A
Back side
Input Select SwitchFor two-channel input, slide this switchto the left. For four-channel input, slidethis switch to the right.
24
GM-X554
8.2 SPECIFICATIONS
- GM-X554/X1R/UCPower source ........................................................................ 14.4 V DC (10.8 — 15.1 V allowable)Grounding system .................................................................................................... Negative typeCurrent consumption .............................................................. 27.1 A (at continuous power, 4 Ω)Idle current ...................................................................................................................... 4 — 25 mA Average current drawn* .................................................................. 9.1 A (4 Ω for four channels)
.................................................................................................... 14.5 A (4 Ω for two channels)Fuse ...................................................................................................................................... 20 A x 2Dimensions .................................................................................... 279 (W) x 58 (H) x 324 (D) mm
.............................................................................................. [11 (W) x 2-1/4 (H) x 12-3/4 (D) in]Weight ................................................................ 4.8 kg (10.6 lbs) (Leads for wiring not included)Maximum power output .............................................................................. 100 W x 4 / 240 W x 2Continuous power output ........................ 50 W x 4 (at 14.4 V, 4 Ω, 20 — 20,000 Hz, 0.08% THD)
.............................................................. 120 W x 2 (at 14.4 V, 4 Ω, 20 — 20,000 Hz, 0.8% THD)
............................................................................................................ Cut off slope: –12 dB/octHigh pass filter .............................................................................. Cut off frequency: 40 — 120 Hz
............................................................................................................ Cut off slope: –12 dB/octMaximum input level/impedance ................................................ RCA: 6.5 V/22 kΩ (0.4 — 6.5 V)Note:• Specifications and the design are subject to possible modification without notice due to
improvements.*Average current drawn• The average current drawn is nearly the maximum current drawn by this unit when an
audio signal is input. Use this value when working out total current drawn by multiplepower amplifiers.
- GM-X554X1R/EWPower source .......................................................................... 14.4 V DC (10.8 — 15.1 V allowable)Grounding system ...................................................................................................... Negative typeCurrent consumption ................................................................ 27.1 A (at continuous power, 4 Ω)Idle current ...................................................................................................................... 4 — 25 mA Average current drawn* .................................................................... 9.1 A (4 Ω for four channels)
...................................................................................................... 14.5 A (4 Ω for two channels)Fuse ...................................................................................................................................... 20 A x 2Dimensions ...................................................................................... 279 (W) x 58 (H) x 324 (D) mmWeight .................................................................................. 4.8 kg (Leads for wiring not included)Maximum power output .............................................................................. 100 W x 4 / 240 W x 2Continuous power output ........................................ 75 W x 4 / 200 W x 2 (DIN45324, +B=14.4 V)Load impedance ........................................................................................ 4 Ω (2 — 8 Ω allowable)
.............................................................................................................. Cut off slope: –12 dB/octHigh pass filter .............................................................................. Cut off frequency: 40 — 120 Hz
.............................................................................................................. Cut off slope: –12 dB/octMaximum input level/impedance .................................................. RCA: 6.5 V/22 kΩ (0.4 — 6.5 V)Note:• Specifications and the design are subject to possible modification without notice due to
improvements.*Average current drawn• The average current drawn is nearly the maximum current drawn by this unit when an
audio signal is input. Use this value when working out total current drawn by multiplepower amplifiers.
25
GM-X554
- GM-X554/X1R/ESPower source .......................................................................... 14.4 V DC (10.8 — 15.1 V allowable)Grounding system ...................................................................................................... Negative typeCurrent consumption ................................................................ 27.1 A (at continuous power, 4 Ω)Idle current ...................................................................................................................... 4 — 25 mA Average current drawn* .................................................................... 9.1 A (4 Ω for four channels)
......................................................................................................14.5 A (4 Ω for two channels)Fuse ...................................................................................................................................... 20 A x 2Dimensions ...................................................................................... 279 (W) x 58 (H) x 324 (D) mmWeight .................................................................................. 4.8 kg (Leads for wiring not included)Maximum power output .............................................................................. 100 W x 4 / 240 W x 2Continuous power output ........................ 50 W x 4 (at 14.4 V, 4 Ω, 20 — 20,000 Hz, 0.08% THD)
.............................................................. 120 W x 2 (at 14.4 V, 4 Ω, 20 — 20,000 Hz, 0.8% THD)