Pioneer HPM-100 Manuel d'entretien - Page 2
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WIRING
GRE
WHI
ATTENUATOR
GREEN
WHITE
RE
WHITE
TWEETER
WOOFER
NETWORK CIRCUIT
NETWORK
ASSEMBLY
(SWN-I
1
7)
SUPER TWEETER
RED
WHITE
0.1mH
sTH-136
LEVEL CONTROL
ASSEMBLY
REPLACEMENT
1. Take
out
4 woofer retaining
screws
from front,
then
remove
woofer
and
disconnect lead
wires.
2.
Disconnect
lead wires
(green
and
white)
between mid-range speaker
and
MID
level
control
and lead wires (red and
white)
between
tweeter and HIGH level control.
Then
disconnect
lead wires
between
level
controls and
crossover networks.
3. Remove
knobs, nameplate, hex nuts and flat
washers
from
both level (attenuator) controls.
4. Remove attenuator
from
cabinet and unsolder
aII attenuator lead
wires.
5. Remove attenuators
from
holder and
replace.
6. Resolder lead wires
to
attenuators.
7.
Mount
attenuator onto baffle board.
Replace
flat
washers,
hex
nuts, nameplates and knobs,
making sure
that the
knobs indicate correct
control positions
when replaced.
8. Reconnect
lead wires between level control
assembly
and
crossover
network
assembly,
between
the MID
level
control and
midrange
speaker
and between tweeter and HIGH
level
control.
9. Reconnect
lead
wires
to woofer,
replace woofer
in
cabinet and
secure
with
screws.
Tighten
screws evenly,
in
opposite
pairs.
NETWORK ASSEMBLY
SWN.I17
NAME
PLATE
SAL.67O
2.0mH
STH-122
4.41tF 100V
MF
3pF
100V
MF
0.6mH
STH-130
10s,
5w
YELLOW
WHITE
BLUE
ITE
TRANSFORMER
STV-O13
PARTS
REPL
ECEMENT
WOOFER
I-WEETER
t4lD-
RANGE
SU
PER
TWEETER
PICINEEFI ELECTFIG|NIC COF|PCIFIATIGIN
4-1, Mesuno 1-chome,
Meguno-ku, Tokyo
158, Japan
U.E.
PIGINEEFI
ELECTFICTNICS
CClFIPctFIATIclN
75 Oxfond
Dnive,
Moonachie, New Jensey
O7O74, U.S.A.
PIC|NEEFI ELECTFICINIC (EIJFICIPEI N.V.
Luithagensteenweg
no.9,
2O3O
-Antwenp,
E}elgaum
PIONEEFI
ELECTFICINICEi
AIJSiTFIALIA
PTY.
LTEI.
178-18,4
Boundany
Fload,
Bnaeside,
Victonia
3'1
35,
Ausrnalia
Printed
in
Japan
o
FEB.1976
<76804F21 G>