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11. SAFETY
INFORMATION
1. SAFETY
PRECAUTIONS
The
following
check
should
be
performed
for
the
continued
protection
of the customer
and service tech-
nician.
LEAKAGE
CURRENT
CHECK
Measure
leakage
current
to
a
known
earth
ground
(water pipe, conduit, etc.) by connecting a leakage current
tester such as Simpson Model 229-2 or equivalent between
the earth ground and all exposed metal parts of the appli-
ance
(input/output terminals, screwheads, metal overlays,
control shaft, etc.). Plug the AC line cord of the appliance
directly
into
a 120V
AC
60Hz
outlet and turn
the AC
power
switch on. Any current
measured must not exceed
0.5mA.
ae
ie}
Leakage
current
tester
Reading should
not be above
0.5mA
Test all
exposed metal
surfaces
2-wire cord
O
Also test with
}
plug reversed
Earth
(Using AC adapter
"ground
plug as required)
AC
Leakage Test
ANY
MEASUREMENTS
NOT
WITHIN
THE
LIMITS
OUTLINED
ABOVE
ARE
INDICATIVE
OF
A
PO-
TENTIAL
SHOCK
HAZARD
AND
MUST
BE
COR-
RECTED
BEFORE
RETURNING
THE
APPLIANCE
TO THE
CUSTOMER.
2. PRODUCT
SAFETY
NOTICE
Many
electrical
and
mechanical
parts in the appliance
have special safety related characteristics. These are often
not
evident
from
visual
inspection
nor
the
protection
afforded
by them
necessarily
can
be obtained
by using
replacement
components
rated
for voltage,
wattage,
etc.
Replacement
parts which
have these special safety charac-
teristics are identified in this Service Manual.
Electrical components having such features are identified
by marking with a" on the schematics
and on the parts
list in this Service Manual.
The
use
of a substitute
replacement
component
which
dose
not
have
the
same
safety
characteristics
as
the
PIONEER
recommended
replacement
one,
shown
in the
parts list in this Service
Manual,
may create shock, fire,
or other hazards.
Product
Safety
is continuously
under review and new
instructions
are issued from time to time. For the latest
information, always consult the current PIONEER
Service
Manual. A subscription to, or additional copies of, PPONEER
Service Manual may be obtained at a nominal charge from
PIONEER.
29
12. FOR HE TYPE
The HE type is the same as the KU type with the exception of the following section.
Contrast of Miscellaneous Parts
Symbol & Description
Part No.
KU type
HE type
Remarks
AF assembly
Driver assembly
Power transformer
(120V)
(220 V}
AC Socket
Push switch
(POWER)
(4A)
(T2.5A)
(T1.25A)
Power cord
Operating instructions
(English)
(English/French/German/Italian)
Sub instructions
Packing case
AF assembly (GWK-251)
Mark
Symbol & Description
D201 — D204
D404
D413 — D415
C225, C226
C302
C403, C404
C412
R247
R248
R249, R250
R313, R314
R319
R323, R324
R408
R404, R406
R410
R412
T401
Heater transformer
Driver assembly (GWY-194)
The driver assembly (GWY-194) is the same as the GWY-156 with the exception of the following sec-
tions.
Symbol & Description
GWK-249
GWY-156
ATS-176
AKP-504
ASG-551
(ASG-549)
AEK-125
ADG-088
ARB-647
ARH-070
AHE-478
GWK-251
GWY-194
ATS-178
AKP-502
ASG-552
AEK-018
AEK-403
ADG-068
ARE-122
ARH-O71
AHE-479
Part No.
GWK-249
GWK-251
KZLO56
|
....aeee
RD22EB
RD18EB
sca de eee ds
18$131
et
he
CQMA472K50
CEANP2R2M50
ACH-383
CEA100M50L
ACH-390
CEA470M50L
ACH-385
bth
ge ee
RD1/4PM102J
edb aah eae
RD1/8PM102J
ed athe ead
RD1/8PM220J
RS1PMF182J
RS2LMF122J
RD1/8PM124J
RD1/8PM104J
eden ee 2a oS
RD1/8PM101J
RD1/4PMFL4R7J
RFA1/4PS4R75
RD1/4PMFL270J
RD1/4PMFL100J
RFA1/4PS100J
RD1/4PM471J
RD1/8PM220J)
|
3 ........
ATS-141
ATS-180
Part No.
GWY-156
| GWY-194
Remarks
R507 — R510
R519, R520
R511, R512
R513, R514
RD1/8PM153J
RFA1/4PS271J
RFA1/4PS820J
RD1/8PM223J
RD1/4PMFL272J
| RS2LMF682J
RD1/4PM391J
RD1/4PM820J
Q501,
502
¢
Q503~ 506 °
Q507,
508
D501 ~ 506 :
2SA979
28C 1845
2541145
USIO35
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