SECTION 3
SERVICING DIAGRAMS
1. CIRCUIT SYMBOLS AND SUPPLEMENTARY EXPLANATION
1-1. Precautions for Part Replacement
" In the schematic diagram, parts marked (ex. " Using the parts other than those specified shall violate
F801) are critical part to meet the safety regulations,the regulations, and may cause troubles such as
so always use the parts bearing specified part codesoperation failures, fire etc.
(SN) when replacing them.
1-2. Solid Resistor Indication
Eg. 1
UnitNone ...........
K...........k
M...........M
ToleranceNone ...........?5%
B...........?0.1%100k
C...........?0.25%
D...........?0.5%
F...........?1%
G...........?2%
Rated WattageType Tolerance
K...........?10%
M...........?20%
Rated Wattage(1) Chip PartsFig. 3-1-1
None .........1/16W
(2) Other Parts
None .........1/6W
Other than above, described in the Circuit Diagram.
TypeNone ...........Carbon film
S...........Solid
R...........Oxide metal film
M...........Metal film
W...........Cement
FR...........FusibleSERVICING DIAGRAMS
1-3. Capacitance Indication
SECTION 3
+
Symbol...........Electrolytic, Special electrolytic
NP...........Non polarity electrolyticEg. 2
...........Ceramic, plastic
M
...........Film
...........Trimmer
100m
UnitNone ...........F
...........F
p...........pF
Rated voltageNone ...........50VTemperatureRatedTolerance
For other than 50V and electrolytic capacitors,responsevoltage
described in the Circuit Diagram.
Tolerance(1) Ceramic, plastic, and film capacitors of whichFig. 3-1-2
capacitance are more than 10 pF.
None ...........?5% or more
B...........?0.1%
C...........?0.25%Eg. 3
D...........?0.5%
F...........?1%
G...........?2%
(2) Ceramic, plastic, and film capacitors of which
104
capacitance are 10 pF or less.
None ...........more than ?5 pF10x104pF(0.1m F)
B...........?0.1 pF
C...........?0.25 pFTemperature characteristic
(3) Electrolytic, Trimmer(or Temperature characteristic+
Tolerance is not described.Static electricity capacity tolerance)
Temperature characteristicNone ...........SL
Fig. 3-1-3
(Ceramic capacitor)For others, temperature characteristics are
described. (For capacitors of 0.01 F and
no indications are described as F.)
Static electricity capacitySometimes described with abbreviated letters as
(Ceramic capacitor)shown in Eg. 3. |
ACEC
