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RESISTANCE VALUE CODES
=
Code
numbers
of
resistors
used
in
Pioneer
equipment
are expressed in the following way:—
Code number ——-——————>
RD % PS 473 J NL
Type of resistor aman
|
Power rating <—_——----_______—
Shape (tubuler)
Resistance (code value)
Tolerance <
Low-noise marking
Furthermore,
in the list of parts found in the
Service Manual, the resistance (code value) part of
the above
code number is expressed as DOO
or
OOO.
Resistors included in the Service Manual list of
parts.
|
Ex. RD %PSOOO JNL
When ordering resistor components,
first ascer-
tain the actual resistance value from the circuit
diagram,
and then convert it into code no. form
as shown in the following examples.
For further details on code numbers,
refer to
"Tuning Fork" VOL. 1.
Ex. 1 For OOOO
Codes
*
General
resistors
OG.
O
O
2
Significant figures
Multiplier (10%)
*
Resistors
with fractional values
O
O
O
O
DoOrRa
eee
Significant figures
Decimal
point
C
R
O
0
a
Significant figures
Decimal point
Nominal resistance | Significant figure
Multiplier
| Resistance
5.1
510
le
eee
5R10
5.62
S62,
ete
ee
5R62
10
100
eee
10RO
22.5
2250-00
ie weiss
22R5
110
110
x10°
1100
1k
'
1
(1560)
156
x10
1561
10k
2
(10000)
100
x10
1002
33.6k
2
(33600)
336
x10
3362
112k
3
(112000)
112
x10
1123
1M
4
(1000000)
iy
te
134
1.56M
(1560000)
BSS
Ex. 2 For OOO Codes
*
General
resistors
im)
oO
O
Significant figures
Multiplier (10%)
*
Resistors
with fractional
values
O
0
0
ORo
Significant figures
Decimal
point
Ex. 2
Nominal resistance | Significant figure
Multiplier | Fesistance |
(2)
(two figures)
(10X)
value code |
0.5
OS:
2
wee
ORS
1.5
8B
Fae
1R5
1
01
010
22
22
220
330
33
331
1k
(1000)
nO
12
(5600)
68k
(68000)
68
683
820k
(820000)
BA
aan
1M
(1000000)
0
pe
2.2M
(2200000)
o
228
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