Service manual

1. STANDARD PART NUMBER CODING
1. Fixed Resistor Coding
2. Semi-Fixed Resistor Coding
Pin Length Value
(Same as Fixed Type)
Knob
Type
Meterial Shape Knob Code
VERTICAL
WITH 1 11
CARBON
1
WITHOUT 2 12
FILM
HORIZONTAL
WITH 3 13
WITHOUT 4 14
VERTICAL
WITH 1 21
METAL
5
WITHOUT 2 22
GRAZE
HORIZONTAL
WITH 3 23
WITHOUT 4 24
VERTICAL
WITH 1 51
CARBON
5
WITHOUT 2 52
SOLID
HORIZONTAL
WITH 3 53
WITHOUT 4 54
VERTICAL
WITH 1 61
CERMIET 6
WITHOUT 2 62
HORIZONTAL
WITH 3 63
WITHOUT 4 64
1-1. RESISTOR CODING
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ELECTRICAL PARTS LIST
100
Type of Resistor
C Composition Resistor
D Carbon Resistor
F Fusible Resistor
K Ceramic Resistor
N Metal Film Resistor
S Metal-Oxide Film
Resistor
W Wire Wound Resistor
X Cement Resistor
Y Chip Resistor
Type of Resistor
Code Wattage
-A 1/6w
-B 1/8W
-4 1/4W
-2 1/2W
01 1W
02 2W
Distance
Code Distance
A 2.5mm
B 5.0mm
C 7.5mm
D 10.0mm
E 12.5mm
F 15.0mm
G 17.5mm
H 20.0mm
G 17.5mm
H 20.0mm
J 22.5mm
K 25.0mm
X Auto Insertion
Z Auto Insertion
Value
Example
478 0.47Ω
479 4.7Ω
470 47Ω
471 470Ω
472 472Ω
473 47Ω
Tolerance
Symbol tolerance
F±1%
G±2%
J±5%
K ±10%
M ±20%
N ±30%